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33
LICENCE
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33
LICENCE
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////////////////////////////////////////////////////////////////////////////
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// Copyright KAZ 2021 //
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// //
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// contact (at) kaz.bzh //
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// //
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// This software is a filter to shrink email by attachment extraction. //
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// //
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// This software is governed by the CeCILL-B license under French law and //
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// abiding by the rules of distribution of free software. You can use, //
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// modify and/or redistribute the software under the terms of the //
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// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
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// URL "http://www.cecill.info". //
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// //
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// As a counterpart to the access to the source code and rights to copy, //
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// modify and redistribute granted by the license, users are provided //
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// only with a limited warranty and the software's author, the holder of //
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// the economic rights, and the successive licensors have only limited //
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// liability. //
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// //
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// In this respect, the user's attention is drawn to the risks associated //
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// with loading, using, modifying and/or developing or reproducing the //
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// software by the user in light of its specific status of free software, //
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// that may mean that it is complicated to manipulate, and that also //
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// therefore means that it is reserved for developers and experienced //
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// professionals having in-depth computer knowledge. Users are therefore //
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// encouraged to load and test the software's suitability as regards //
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// their requirements in conditions enabling the security of their //
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// systems and/or data to be ensured and, more generally, to use and //
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// operate it in the same conditions as regards security. //
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// //
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// The fact that you are presently reading this means that you have had //
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// knowledge of the CeCILL-B license and that you accept its terms. //
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////////////////////////////////////////////////////////////////////////////
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504
src/cpp/Attachment.cpp
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504
src/cpp/Attachment.cpp
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////////////////////////////////////////////////////////////////////////////
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// Copyright KAZ 2021 //
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// //
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// contact (at) kaz.bzh //
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// //
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// This software is a filter to shrink email by attachment extraction. //
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// //
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// This software is governed by the CeCILL-B license under French law and //
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// abiding by the rules of distribution of free software. You can use, //
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// modify and/or redistribute the software under the terms of the //
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// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
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// URL "http://www.cecill.info". //
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// //
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// As a counterpart to the access to the source code and rights to copy, //
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// modify and redistribute granted by the license, users are provided //
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// only with a limited warranty and the software's author, the holder of //
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// the economic rights, and the successive licensors have only limited //
|
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// liability. //
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// //
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// In this respect, the user's attention is drawn to the risks associated //
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// with loading, using, modifying and/or developing or reproducing the //
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// software by the user in light of its specific status of free software, //
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// that may mean that it is complicated to manipulate, and that also //
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// therefore means that it is reserved for developers and experienced //
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// professionals having in-depth computer knowledge. Users are therefore //
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// encouraged to load and test the software's suitability as regards //
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// their requirements in conditions enabling the security of their //
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// systems and/or data to be ensured and, more generally, to use and //
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// operate it in the same conditions as regards security. //
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// //
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// The fact that you are presently reading this means that you have had //
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// knowledge of the CeCILL-B license and that you accept its terms. //
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////////////////////////////////////////////////////////////////////////////
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#include <iostream>
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#include <vector>
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#include <set>
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#include <fstream>
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#include <iomanip>
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#include <math.h>
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#include <algorithm>
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#include <unistd.h>
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#include <boost/algorithm/string.hpp>
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#include "kazDebug.hpp"
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#include "kazMisc.hpp"
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#include "SizeArg.hpp"
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#include "Attachment.hpp"
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using namespace std;
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using namespace kaz;
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// ================================================================================
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const string Attachment::contentTypeToken ("content-type");
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const string Attachment::contentDispositionToken ("content-disposition");
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const string Attachment::contentTransferEncodingToken ("content-transfer-encoding");
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const string Attachment::base64Token ("base64");
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const string Attachment::quotedPrintableToken ("quoted-printable");
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const string Attachment::contentIDToken ("content-id");
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const string Attachment::PLAIN ("plain");
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const string Attachment::HTML ("html");
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const string Attachment::RELATED ("related");
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const string Attachment::ALTERNATIVE ("alternative");
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const regex Attachment::nameCharsetRegEx (".*name\\*=(.*)");
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const regex Attachment::nameRegEx (".*name=\"([^\"]*)\".*");
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const regex Attachment::boundaryRegEx (".*boundary=\"?([^\" ]*)\"?.*");
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const regex Attachment::cidDefRegEx (".*<([^>]*)>.*");
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const regex Attachment::textRegEx (".*text/("+PLAIN+"|"+HTML+").*");
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const regex Attachment::multiRegEx ("\\s*multipart/(mixed|"+RELATED+"|"+ALTERNATIVE+").*");
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const string Attachment::IMG_BEGIN ("<IMG");
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const string Attachment::IMG_END (">");
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static const string SRC_BEGIN ("SRC=\"");
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static const string RFC822 ("message/rfc822");
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// ================================================================================
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string
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Attachment::getUnknown (const string &contentType) {
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DEF_LOG ("Attachment::getUnknown", "contentType: " << contentType);
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static time_t now (time (NULL));
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static int count (0);
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tm *ltm = localtime (&now);
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ostringstream nameStream;
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nameStream << "U-"
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<< std::setfill ('0') << std::setw (2) << (ltm->tm_year-100)
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<< std::setfill ('0') << std::setw (2) << (1 + ltm->tm_mon)
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<< std::setfill ('0') << std::setw (2) << ltm->tm_mday
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<< std::setfill ('0') << std::setw (2) << ltm->tm_hour
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<< std::setfill ('0') << std::setw (2) << ltm->tm_min
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<< std::setfill ('0') << std::setw (2) << ltm->tm_sec
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<< "-" << count;
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const string::size_type subTypePos (contentType.find ("/"));
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if (subTypePos != string::npos)
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nameStream << "." << contentType.substr (subTypePos+1);
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++count;
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LOG ("name: " << nameStream.str ());
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return nameStream.str ();
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}
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// ================================================================================
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void
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Attachment::removeSection (string &content, const string &beginTag, const string &endTag) {
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DEF_LOG ("Attachment::removeSection", "beginTag: " << beginTag << " endTag: " << endTag);
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for (string::size_type startPos (0);
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(startPos = caseInsensitiveFind (content, beginTag, startPos)) != string::npos;
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) {
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string::size_type stopPos = caseInsensitiveFind (content, endTag, startPos);
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LOG_BUG (stopPos == startPos, content.erase (startPos, endTag.length ()); continue, "eMailShrinker: bug A1: removeSection: no " << beginTag);
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LOG_BUG (stopPos == string::npos, content.erase (startPos, beginTag.length ()); break, "eMailShrinker: bug A2: removeSection: no " << endTag);
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LOG ("KAZ start: " << startPos << " stop: " << stopPos);
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content.erase (startPos, stopPos+endTag.length ()-startPos);
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}
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}
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// ================================================================================
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string
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Attachment::getSection (const string &content, const string &beginTag, const string &endTag) {
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DEF_LOG ("Attachment::getSection", "beginTag: " << beginTag << " endTag: " << endTag << " content: " << content);
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vector<string> list;
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getSection (content, beginTag, endTag, list);
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size_t sum (0);
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for (const string &s : list)
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sum += s.length ();
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string result;
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result.reserve (sum);
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for (const string &s : list)
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result += s;
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LOG ("result: " << result);
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return result;
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}
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// ================================================================================
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void
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Attachment::getSection (const string &content, const string &beginTag, const string &endTag, vector<string> &result) {
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DEF_LOG ("Attachment::getSection", "beginTag: " << beginTag << " endTag: " << endTag << " content: " << content);
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for (string::size_type startPos (0);
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(startPos = caseInsensitiveFind (content, beginTag, startPos)) != string::npos;
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) {
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LOG (beginTag << ": " << startPos);
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string::size_type stopPos = caseInsensitiveFind (content, endTag, startPos);
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LOG_BUG (stopPos == string::npos, break, "eMailShrinker: bug A3: " << endTag << " not found! at: " << startPos);
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LOG ("start: " << startPos << " stop: " << stopPos);
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LOG_BUG (startPos == stopPos, /**/, "eMailShrinker: bug A4: " << endTag << " without " << beginTag << " at: " << startPos);
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if (startPos != stopPos) {
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startPos += beginTag.length ();
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result.push_back (content.substr (startPos, stopPos-startPos));
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}
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startPos = stopPos+endTag.length ();
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}
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}
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// ================================================================================
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const string
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Attachment::getContentType () const {
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map<string, string>::const_iterator it (env.find (contentTypeToken));
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if (it == env.end ())
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return "";
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const string &contentTypeVal (it->second);
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const string::size_type semicolonPos = contentTypeVal.find (';');
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if (semicolonPos == string::npos)
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return contentTypeVal;
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return contentTypeVal.substr (0, semicolonPos);
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}
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const string
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Attachment::getAttachName () const {
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DEF_LOG ("Attachment::getAttachName", "");
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string result = getProp (contentTypeToken, nameRegEx);
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if (result.length ()) {
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LOG ("name=: " << result);
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encodedWord (result);
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return result;
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}
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result = getProp (contentTypeToken, nameCharsetRegEx);
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if (result.length ()) {
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LOG ("name*=: " << result);
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charsetValue (result);
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return result;
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}
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// XXX il faut composer s'il y a plusieurs ligne filename*x=
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result = getProp (contentDispositionToken, nameRegEx);
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if (result.length ()) {
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LOG ("filename=: " << result);
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encodedWord (result);
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return result;
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}
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// XXX il faut composer s'il y a plusieurs ligne filename*x*=
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result = getProp (contentDispositionToken, nameRegEx);
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if (result.length ()) {
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LOG ("filename*=: " << result);
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charsetValue (result);
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return result;
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}
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return getUnknown (getContentType ());
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}
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const string &
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Attachment::getBoundary () const {
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return boundary;
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}
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const streamoff
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Attachment::getSize () const {
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return endPos-beginPos;
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}
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const string
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Attachment::getProp (const string &token, const regex ®Ex) const {
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DEF_LOG ("Attachment::getProp", "token: " << token);
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map<string, string>::const_iterator it (env.find (token));
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if (it == env.end ()) {
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LOG ("no token");
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return "";
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}
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const string &val (it->second);
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LOG ("val: " << val);
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if (!regex_match (val.begin (), val.end (), regEx)) {
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LOG ("no prop");
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return "";
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}
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return regex_replace (val, regEx, "$1");
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}
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const bool
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Attachment::isBase64Encoding () const {
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return isDefProp (contentTransferEncodingToken, base64Token);
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}
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const bool
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Attachment::isQuotedPrintableEnconding () const {
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return isDefProp (contentTransferEncodingToken, quotedPrintableToken);
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}
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const bool
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Attachment::isTextBase64 () const {
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return !getProp (contentTypeToken, textRegEx).empty () && isBase64Encoding ();
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}
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const bool
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Attachment::isDefProp (const string &token, const string &val) const {
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DEF_LOG ("Attachment::getProp", "getProp token: " << token << " val: " << val);
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map<string, string>::const_iterator it (env.find (token));
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if (it == env.end ())
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return false;
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// XXX case insensitive ??
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return it->second.find (val) != string::npos;
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}
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// ================================================================================
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Attachment::Attachment (ifstream &mbox, const int &level, const streamoff beginInParent, streamoff &curPos)
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: level (level),
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beginInParent (beginInParent),
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beginPos (curPos),
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contentPos (0),
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endPos (0),
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toExtract (false),
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toUpdate (false),
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toDisclaim (false),
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boundaryMiddleSize (0) {
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DEF_LOG ("Attachment::Attachment", "curPos: " << curPos << " level: " << level);
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readMime (mbox, curPos);
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readBoundaries (mbox, curPos);
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}
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// ================================================================================
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void
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Attachment::readMime (ifstream &mbox, streamoff &curPos) {
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DEF_LOG ("Attachment::readMime", "curPos: " << curPos);
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string lastVar;
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string line;
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for (; getline (mbox, line); ) {
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LOG ("pos: " << curPos << " line: " << line);
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curPos += line.length () + 1;
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if (line.empty ())
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break;
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if (line[0] == ' ' || line[0] == '\t') {
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if (lastVar.empty ()) {
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LOG_BUG (true, /**/, "eMailShrinker: bug A5: not compliant MIME. pos: " << (curPos - (line.length () + 1)) << " line: " << line);
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} else {
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LOG ("add line to var: " << line);
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env.find (lastVar)->second += line;
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LOG ("new val: " << env.find (lastVar)->second);
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}
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continue;
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}
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string::size_type colonPos = line.find (':');
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if (colonPos != string::npos) {
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lastVar = line.substr (0, colonPos);
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toLower (lastVar);
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LOG ("find var: " << lastVar);
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string val (line.length () >= colonPos+2 ? line.substr (colonPos+2) : ""); // XXX check RFC " " after ": "
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LOG ("new var: " << lastVar << " <=> " << val);
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env [lastVar] = val;
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}
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}
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LOG ("end of mime");
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contentPos = curPos;
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cid = getProp (contentIDToken, cidDefRegEx);
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boundary = getProp (contentTypeToken, boundaryRegEx);
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LOG ("boundary: " << boundary);
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if (boundary.length ()) {
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boundary = "--"+boundary+"--";
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boundaryMiddleSize = boundary.length () - 2;
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}
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LOG ("readMime contentPos: " << contentPos << " cid: " << cid << " boundary: " << boundary);
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}
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// ================================================================================
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void
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Attachment::readBoundaries (ifstream &mbox, streamoff &curPos) {
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DEF_LOG ("Attachment::readBoundaries", "curPos: " << curPos);
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if (caseInsensitiveFind (getContentType (), RFC822) != string::npos) {
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subAttachements.push_back (Attachment (mbox, level+1, curPos, curPos));
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subAttachements.back ().endPos = curPos;
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return;
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}
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if (boundary.empty ())
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return;
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for (; nextBondary (mbox, curPos); )
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;
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}
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bool
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Attachment::nextBondary (ifstream &mbox, streamoff &curPos) {
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DEF_LOG ("Attachment::nextBondary", "curPos: " << curPos << " boundary: " << boundary);
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bool isTextBase64 (subAttachements.size () && subAttachements.back ().isTextBase64 ());
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LOG ("isTextBase64: " << isTextBase64 << " attach: " << *this);
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for (string prev, line; getline (mbox, line); ) {
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LOG ("curPos: " << curPos << " line: " << line);
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streamoff lastPos = curPos;
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curPos += line.length () + 1;
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string::size_type bpos = line.find (boundary.c_str (), 0, boundaryMiddleSize);
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if (bpos == string::npos) {
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string clearLine (line);
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if (isTextBase64)
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base64Decode (clearLine);
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string couple (prev+clearLine);
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for (vector <string>::iterator it = stringsToUpdate.begin ();
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it != stringsToUpdate.end ();
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++it)
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if (couple.find (*it) != string::npos) {
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LOG ("find: "+ *it);
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subAttachements.back ().toUpdate = true;
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}
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prev = clearLine;
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continue;
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}
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LOG ("find: " << boundary);
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LOG ("lastPos: " << lastPos << " bpos: " << bpos << " boundaryMiddleSize: " << boundaryMiddleSize);
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if (subAttachements.size ())
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subAttachements.back ().endPos = lastPos;
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LOG ("line: " << line << "bpos+boundaryMiddleSize: " << (bpos+boundaryMiddleSize) << " find: " << line.find ("--", bpos+boundaryMiddleSize));
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bpos += boundaryMiddleSize;
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if (line.find ("--", bpos) == bpos) {
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LOG ("end");
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return false;
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}
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subAttachements.push_back (Attachment (mbox, level+1, lastPos, curPos));
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return true;
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}
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endPos = curPos;
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return false;
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}
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// ================================================================================
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void
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Attachment::markDisclaim (bool &plainMarked, bool &htmlMarked) {
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if (plainMarked && htmlMarked)
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return;
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string multiProp = getProp (contentTypeToken, multiRegEx);
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// LOG_BUG (multiProp == ALTERNATIVE && subAttachements.size () != 2, continue, "eMailShrinker: bug A6: alternative give not 1 case (" << subAttachements.size () << ").");
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if (multiProp.length ())
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for (Attachment &subAttach : subAttachements)
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subAttach.markDisclaim (plainMarked, htmlMarked);
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string textProp = getProp (contentTypeToken, textRegEx);
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if (textProp.empty ())
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return;
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if (!plainMarked && textProp == PLAIN)
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plainMarked = toUpdate = toDisclaim = true;
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if (!htmlMarked && textProp == HTML)
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htmlMarked = toUpdate = toDisclaim = true;
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}
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// ================================================================================
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bool
|
||||
Attachment::markSignificant (const string &parentMultiProp, const streamoff &minAttachSize, ifstream &mbox, vector<Attachment *> &allMarkedPtrs) {
|
||||
DEF_LOG ("Attachment::markSignificant", "parentMultiProp: " << parentMultiProp << " minAttachSize: " << minAttachSize);
|
||||
string textProp = getProp (contentTypeToken, textRegEx);
|
||||
bool cantBeExtract ((parentMultiProp == ALTERNATIVE && (textProp == PLAIN || textProp == HTML)) ||
|
||||
(parentMultiProp == RELATED && textProp == HTML));
|
||||
string multiProp = getProp (contentTypeToken, multiRegEx);
|
||||
for (Attachment &sub : subAttachements)
|
||||
cantBeExtract |= sub.markSignificant (multiProp, minAttachSize, mbox, allMarkedPtrs);
|
||||
if (getProp (contentTypeToken, textRegEx) == HTML) {
|
||||
string content = getContent (mbox);
|
||||
vector<string> imgs;
|
||||
getSection (content, IMG_BEGIN, IMG_END, imgs);
|
||||
EmbeddedData::fillEmbeddedData (imgs, minAttachSize, embeddedData);
|
||||
if (embeddedData.size ())
|
||||
toUpdate = true;
|
||||
}
|
||||
cantBeExtract |= toUpdate;
|
||||
if (boundary.empty () && getSize () >= minAttachSize && !cantBeExtract)
|
||||
cantBeExtract = toExtract = true; // XXX cantBeExtract ?
|
||||
if (toExtract || toUpdate || toDisclaim)
|
||||
allMarkedPtrs.push_back (this);
|
||||
return cantBeExtract;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
string
|
||||
Attachment::getContent (ifstream &mbox) const {
|
||||
DEF_LOG ("Attachment::getContent", "contentPos: " << contentPos);
|
||||
string content;
|
||||
content.resize (endPos-contentPos);
|
||||
mbox.seekg (contentPos, ios::beg);
|
||||
mbox.read (&content[0], endPos-contentPos);
|
||||
if (isBase64Encoding ())
|
||||
base64Decode (content);
|
||||
if (isQuotedPrintableEnconding ())
|
||||
quotedDecode (content);
|
||||
return content;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
Attachment::println (ofstream &outbox, string content) const {
|
||||
DEF_LOG ("Attachment::println", "content: " << content);
|
||||
if (isBase64Encoding ())
|
||||
base64Encode (content);
|
||||
if (isQuotedPrintableEnconding ())
|
||||
quotedEncode (content);
|
||||
outbox << content;
|
||||
if (content.length () && content.back () != '\n')
|
||||
outbox << endl;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
Attachment::replaceEmbedded (string &content) const {
|
||||
DEF_LOG ("Attachment::replaceEmbedded", "content.length: " << content.length ());
|
||||
if (!embeddedData.size ())
|
||||
return;
|
||||
int imgIdx (-1);
|
||||
string::size_type startPos (0);
|
||||
for (const EmbeddedData &embedded : embeddedData) {
|
||||
LOG ("embedded: " << embedded);
|
||||
for ( ; ; ) {
|
||||
startPos = caseInsensitiveFind (content, IMG_BEGIN, startPos);
|
||||
LOG_BUG (startPos == string::npos, return, "eMailShrinker: bug A7: can't find " << IMG_BEGIN);
|
||||
++imgIdx;
|
||||
if (embedded.imgIdx >= imgIdx)
|
||||
break;
|
||||
startPos += IMG_BEGIN.length ();
|
||||
}
|
||||
startPos = caseInsensitiveFind (content, SRC_BEGIN, startPos);
|
||||
|
||||
LOG_BUG (startPos == string::npos, return, "eMailShrinker: bug A8: can't find " << SRC_BEGIN );
|
||||
startPos += SRC_BEGIN.length ();
|
||||
const string::size_type endPos (content.find ("\"", startPos));
|
||||
|
||||
LOG_BUG (endPos == string::npos, return, "eMailShrinker: bug A9: can't find end of " << SRC_BEGIN );
|
||||
content.replace (startPos, endPos-startPos, embedded.downloadUrl);
|
||||
}
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
ostream&
|
||||
kaz::operator << (ostream& os, const Attachment& attachment) {
|
||||
string prop, sep;
|
||||
if (attachment.toExtract) { prop = "to extract"; sep = ", "; }
|
||||
if (attachment.toUpdate) { prop += sep+"need update"; sep = ", "; }
|
||||
if (attachment.toDisclaim) { prop += sep+"need diclaim"; sep = ", "; }
|
||||
if (attachment.embeddedData.size ()) { prop += sep+"embeddedData"; }
|
||||
if (prop.length ())
|
||||
prop = " ["+prop+"]";
|
||||
|
||||
os << setw ((attachment.level % 20)*2) << "" << setw (10) << SizeArg (attachment.getSize ()) << " " << attachment.getContentType ()
|
||||
<< prop << (attachment.cid.length () ? " id: "+attachment.cid : "")
|
||||
<< (attachment.boundary.length () ? " boundary: "+attachment.boundary : "")
|
||||
<< " (" << attachment.beginPos << " / " << attachment.contentPos << " / " << attachment.endPos << ") " << endl;
|
||||
for (const EmbeddedData &embedded : attachment.embeddedData)
|
||||
os << setw (((attachment.level+1) % 20)*2) << "" << setw (10) << SizeArg (embedded.dataLength) << " embedded [to extract] " << embedded;
|
||||
for (const Attachment &sub : attachment.subAttachements) {
|
||||
os << sub;
|
||||
}
|
||||
return os;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
97
src/cpp/EmbeddedData.cpp
Normal file
97
src/cpp/EmbeddedData.cpp
Normal file
@ -0,0 +1,97 @@
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright KAZ 2021 //
|
||||
// //
|
||||
// contact (at) kaz.bzh //
|
||||
// //
|
||||
// This software is a filter to shrink email by attachment extraction. //
|
||||
// //
|
||||
// This software is governed by the CeCILL-B license under French law and //
|
||||
// abiding by the rules of distribution of free software. You can use, //
|
||||
// modify and/or redistribute the software under the terms of the //
|
||||
// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
|
||||
// URL "http://www.cecill.info". //
|
||||
// //
|
||||
// As a counterpart to the access to the source code and rights to copy, //
|
||||
// modify and redistribute granted by the license, users are provided //
|
||||
// only with a limited warranty and the software's author, the holder of //
|
||||
// the economic rights, and the successive licensors have only limited //
|
||||
// liability. //
|
||||
// //
|
||||
// In this respect, the user's attention is drawn to the risks associated //
|
||||
// with loading, using, modifying and/or developing or reproducing the //
|
||||
// software by the user in light of its specific status of free software, //
|
||||
// that may mean that it is complicated to manipulate, and that also //
|
||||
// therefore means that it is reserved for developers and experienced //
|
||||
// professionals having in-depth computer knowledge. Users are therefore //
|
||||
// encouraged to load and test the software's suitability as regards //
|
||||
// their requirements in conditions enabling the security of their //
|
||||
// systems and/or data to be ensured and, more generally, to use and //
|
||||
// operate it in the same conditions as regards security. //
|
||||
// //
|
||||
// The fact that you are presently reading this means that you have had //
|
||||
// knowledge of the CeCILL-B license and that you accept its terms. //
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#include "kazDebug.hpp"
|
||||
#include "kazMisc.hpp"
|
||||
#include "EmbeddedData.hpp"
|
||||
#include "Attachment.hpp"
|
||||
|
||||
using namespace std;
|
||||
using namespace kaz;
|
||||
|
||||
// ================================================================================
|
||||
static const string EMBEDDED_TAG ("SRC=\"DATA:");
|
||||
|
||||
// ================================================================================
|
||||
EmbeddedData::EmbeddedData (const int &imgIdx, const string &contentType, const string &name, const string::size_type &startData, const string::size_type &dataLength)
|
||||
: imgIdx (imgIdx),
|
||||
contentType (contentType),
|
||||
name (name),
|
||||
startData (startData),
|
||||
dataLength (dataLength) {
|
||||
DEF_LOG ("EmbeddedData::EmbeddedData", "imgIdx: " << imgIdx << " contentType:" << contentType << " name:" << name << " startData:" << startData << " dataLength:" << dataLength);
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
EmbeddedData::fillEmbeddedData (const vector<string> &imgs, const streamoff &minAttachSize, vector<EmbeddedData> &data) {
|
||||
DEF_LOG ("EmbeddedData::fillEmbeddedData", "imgs.size: " << imgs.size () << " minAttachSize:" << minAttachSize << " data.size:" << data.size ());
|
||||
|
||||
int imgIdx (-1);
|
||||
for (const string &img : imgs) {
|
||||
++imgIdx;
|
||||
if (streamoff (img.length ()) < minAttachSize)
|
||||
continue;
|
||||
string::size_type startPos (caseInsensitiveFind (img, EMBEDDED_TAG));
|
||||
if (startPos == string::npos)
|
||||
continue;
|
||||
startPos += EMBEDDED_TAG.length ();
|
||||
// XXX check base64 ?
|
||||
string::size_type endPos = img.find_first_of (";,", startPos);
|
||||
|
||||
LOG_BUG (endPos == string::npos, continue, "eMailShrinker: bug E1: can't find end of contentType" );
|
||||
const string contentType (img.substr (startPos, endPos-startPos));
|
||||
const string name (Attachment::getUnknown (contentType));
|
||||
startPos = img.find (',', startPos);
|
||||
|
||||
LOG_BUG (startPos == string::npos, continue, "eMailShrinker: bug E2: can't find start data" );
|
||||
|
||||
++startPos;
|
||||
endPos = img.find ('"', startPos);
|
||||
data.push_back (EmbeddedData (imgIdx, contentType, name, startPos, endPos-startPos));
|
||||
}
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
ostream&
|
||||
kaz::operator << (ostream& os, const EmbeddedData& embeddedData) {
|
||||
os << embeddedData.imgIdx << ": "
|
||||
<< embeddedData.contentType << " - " << embeddedData.name
|
||||
<< " (" << embeddedData.startData << " / " << embeddedData.dataLength << ") "
|
||||
<< embeddedData.downloadUrl << " - " << embeddedData.downloadId
|
||||
<< endl;
|
||||
return os;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
598
src/cpp/MainAttachment.cpp
Normal file
598
src/cpp/MainAttachment.cpp
Normal file
@ -0,0 +1,598 @@
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright KAZ 2021 //
|
||||
// //
|
||||
// contact (at) kaz.bzh //
|
||||
// //
|
||||
// This software is a filter to shrink email by attachment extraction. //
|
||||
// //
|
||||
// This software is governed by the CeCILL-B license under French law and //
|
||||
// abiding by the rules of distribution of free software. You can use, //
|
||||
// modify and/or redistribute the software under the terms of the //
|
||||
// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
|
||||
// URL "http://www.cecill.info". //
|
||||
// //
|
||||
// As a counterpart to the access to the source code and rights to copy, //
|
||||
// modify and redistribute granted by the license, users are provided //
|
||||
// only with a limited warranty and the software's author, the holder of //
|
||||
// the economic rights, and the successive licensors have only limited //
|
||||
// liability. //
|
||||
// //
|
||||
// In this respect, the user's attention is drawn to the risks associated //
|
||||
// with loading, using, modifying and/or developing or reproducing the //
|
||||
// software by the user in light of its specific status of free software, //
|
||||
// that may mean that it is complicated to manipulate, and that also //
|
||||
// therefore means that it is reserved for developers and experienced //
|
||||
// professionals having in-depth computer knowledge. Users are therefore //
|
||||
// encouraged to load and test the software's suitability as regards //
|
||||
// their requirements in conditions enabling the security of their //
|
||||
// systems and/or data to be ensured and, more generally, to use and //
|
||||
// operate it in the same conditions as regards security. //
|
||||
// //
|
||||
// The fact that you are presently reading this means that you have had //
|
||||
// knowledge of the CeCILL-B license and that you accept its terms. //
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#include <iostream>
|
||||
#include <vector>
|
||||
#include <set>
|
||||
#include <fstream>
|
||||
#include <iomanip>
|
||||
#include <math.h>
|
||||
#include <algorithm>
|
||||
#include <unistd.h>
|
||||
|
||||
#include "kazDebug.hpp"
|
||||
#include "kazMisc.hpp"
|
||||
#include "SizeArg.hpp"
|
||||
#include "Attachment.hpp"
|
||||
#include "MainAttachment.hpp"
|
||||
|
||||
using namespace std;
|
||||
using namespace kaz;
|
||||
|
||||
static const string KAZ_WEB_SITE = "https://kaz.bzh/";
|
||||
static const string TMPL_DOWNLOAD = "{{DOWNLOAD}}";
|
||||
static const string TMPL_FILENAME = "{{FILENAME}}";
|
||||
static const string CID = "cid:";
|
||||
|
||||
static const string KAZ_PLAIN_HR = "______________________________________________________________________________";
|
||||
static const string KAZ_PLAIN_START = "~~ PJ-KAZ !"; // don't end whith space
|
||||
static const string KAZ_PLAIN_STOP = KAZ_PLAIN_START+" ~~";
|
||||
static const string KAZ_PLAIN_DONT_TOUCH = "(concervez cette partie intacte dans votre réponse si vous voulez transmettre les documents précédents)";
|
||||
static const string KAZ_PLAIN_WARNING = "Attention : Kaz a dépollué ce message. Les pièces jointes ont été retirées et placées dans un dépôt provisoire. Elles seront automatiquement supprimées dans 1 mois. Si elles sont importantes et que vous souhaitez les conserver, vous devez utiliser les liens ci-dessous. Pour mieux comprendre la politique de nos services visitez kaz.bzh";
|
||||
static const string KAZ_PLAIN_DOWLOAD_ONE = "Vos pièces jointes sont à télécharger individuellement ici :";
|
||||
static const string KAZ_PLAIN_DOWLOAD_OTHER = "(Contenu dans des messages précédents)";
|
||||
static const string KAZ_PLAIN_DOWLOAD_ALL = "Vous pouvez télécharger l'ensemble dans une archive là :";
|
||||
|
||||
static const string HEAD = "<head>";
|
||||
static const string HEAD_END = "</head>";
|
||||
static const string KAZ_CSS_URL = "https://kaz.bzh/m/email.css";
|
||||
static const string KAZ_CSS = "<link rel=\"stylesheet\" type=\"text/css\" charset=\"utf-8\" href=\""+KAZ_CSS_URL+"\"/>";
|
||||
static const string A_END = "</a>";
|
||||
static const string LI_BEGIN = "<li";
|
||||
static const string CLASS_ONE = "class=\"one\"";
|
||||
static const string LI_ONE = LI_BEGIN+" "+CLASS_ONE+">";
|
||||
static const string LI_ALL = LI_BEGIN+" class=\"all\">";
|
||||
static const string LI_END = "</li>";
|
||||
static const string HREF_ONE = "href=\"";
|
||||
static const string BODY_END = "</body>";
|
||||
static const string HTML_END = "</html>";
|
||||
|
||||
static const string KAZ_HTML_TAG = "<!--KAZ"; // don't end whith space
|
||||
static const string KAZ_HTML_START = KAZ_HTML_TAG+" START-->";
|
||||
static const string KAZ_HTML_STOP = KAZ_HTML_TAG+" STOP-->";
|
||||
// Textes précédents encodés en SGML
|
||||
static const string KAZ_HTML_DONT_TOUCH = "(concervez cette partie intacte dans votre réponse si vous voulez transmettre les documents précédents)";
|
||||
static const string KAZ_HTML_DOWLOAD_ONE = "Vos pièces jointes sont à télécharger individuellement ici :";
|
||||
static const string KAZ_HTML_DOWLOAD_OTHER = "(Contenu dans des messages précédents)";
|
||||
static const string KAZ_HTML_DOWLOAD_ALL = "Vous pouvez télécharger l'ensemble dans une archive là :";
|
||||
static const string KAZ_HTML_ARCHIVE = "archive";
|
||||
|
||||
// ================================================================================
|
||||
vector <string>
|
||||
Attachment::stringsToUpdate ({KAZ_PLAIN_START, "\""+CID});
|
||||
|
||||
// ================================================================================
|
||||
const string MainAttachment::templatePlainAddLink (" - "+TMPL_DOWNLOAD+" "+TMPL_FILENAME+"\n");
|
||||
const string MainAttachment::templatePlainAllLink ("\n"+KAZ_PLAIN_DOWLOAD_ALL+"\n * "+TMPL_DOWNLOAD+"\n");
|
||||
|
||||
const string MainAttachment::templateHtmlHeader (KAZ_HTML_START+"<p style=\"clear: left; padding: 1pc 0 0 0; font-size:10px; color:#969696;\">"+KAZ_PLAIN_START+"</p><hr>\n"
|
||||
"<div class=\"kaz\">"
|
||||
"<p style=\"font-size:10px; color:#969696;\">"+KAZ_HTML_DONT_TOUCH+"</p>\n"
|
||||
"<p>"+KAZ_HTML_DOWLOAD_ONE+"<ul>\n");
|
||||
const string MainAttachment::templateHtmlAddLink (LI_ONE+"<a "+HREF_ONE+TMPL_DOWNLOAD+"\">"+TMPL_FILENAME+"</a>"+LI_END+"\n");
|
||||
const string MainAttachment::templateHtmlOtherLink ("</ul>"+KAZ_HTML_DOWLOAD_OTHER+"<ul>\n");
|
||||
const string MainAttachment::templateHtmlAllLink ("</ul><ul>"+LI_ALL+KAZ_HTML_DOWLOAD_ALL+" <a href=\""+TMPL_DOWNLOAD+"\">"+KAZ_HTML_ARCHIVE+"</a>"+LI_END+"\n");
|
||||
const string MainAttachment::templateHtmlFooter ("</ul></p>\n"
|
||||
"<p class=\"msg\"><a class=\"kaz\" href=\""+KAZ_WEB_SITE+"\"> "+KAZ_WEB_SITE+" </a></p></div>\n"
|
||||
"<hr><p style=\"font-size:10px; color:#969696;\">"+KAZ_PLAIN_STOP+"</p>"+KAZ_HTML_STOP+"\n");
|
||||
|
||||
const regex MainAttachment::whiteSpaceRegEx ("\\s+");
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
MainAttachment::copy (ifstream &mbox, ofstream &outbox, const streamoff &begin, const streamoff &end) {
|
||||
DEF_LOG ("MainAttachment::copy", "begin: " << begin << " end: " << end);
|
||||
mbox.seekg (begin, ios::beg);
|
||||
char c;
|
||||
for (streamoff pos (begin); pos < end; ++pos) {
|
||||
mbox.get (c);
|
||||
outbox.put (c);
|
||||
}
|
||||
outbox.flush ();
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
MainAttachment::fillUrlId (string &url, string &id) {
|
||||
DEF_LOG ("MainAttachment::fillUrlId", "");
|
||||
url = id = "";
|
||||
string urlId;
|
||||
getline (cin, urlId);
|
||||
LOG ("get URL: " << urlId);
|
||||
vector<string> urlIdVect { sregex_token_iterator (urlId.begin(), urlId.end (), whiteSpaceRegEx, -1), {} };
|
||||
if (urlIdVect [0].empty ())
|
||||
return;
|
||||
url = urlIdVect [0];
|
||||
if (urlIdVect.size () > 1)
|
||||
id = urlIdVect [1];
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
MainAttachment::setExtractDir (const bfs::path &extractDir) {
|
||||
if (extractDir.empty ())
|
||||
throw invalid_argument ("no tmp dir");
|
||||
this->extractDir = extractDir;
|
||||
if (! is_directory (extractDir))
|
||||
bfs::create_directory (extractDir);
|
||||
}
|
||||
|
||||
void
|
||||
MainAttachment::setArchiveDownloadURL (const string &archiveDownloadURL) {
|
||||
this->archiveDownloadURL = archiveDownloadURL;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
MainAttachment::addLink (string &plain, string &html, const string &url, const string &name) const {
|
||||
string plainNewOneLink (templatePlainAddLink);
|
||||
replaceAll (plainNewOneLink, TMPL_DOWNLOAD, url);
|
||||
replaceAll (plainNewOneLink, TMPL_FILENAME, name);
|
||||
plain += plainNewOneLink;
|
||||
string htmlNewOneLink (templateHtmlAddLink);
|
||||
string codedUrl (url);
|
||||
replaceAll (codedUrl, "&", "&");
|
||||
replaceAll (htmlNewOneLink, TMPL_DOWNLOAD, codedUrl);
|
||||
replaceAll (htmlNewOneLink, TMPL_FILENAME, name);
|
||||
html += htmlNewOneLink;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
MainAttachment::getDisclaim (string &plain, string &html) const {
|
||||
DEF_LOG ("Attachment::getDisclaim", "");
|
||||
plain = html = "";
|
||||
|
||||
int linkCount (0);
|
||||
string allId;
|
||||
string plainNewLinks, htmlNewLinks;
|
||||
for (Attachment *attachP : allMarkedPtrs) {
|
||||
if (!attachP->toExtract)
|
||||
continue;
|
||||
addLink (plainNewLinks, htmlNewLinks, attachP->downloadUrl, attachP->getAttachName ());
|
||||
++linkCount;
|
||||
allId += attachP->downloadId;
|
||||
// if (previousLinks [attachP->downloadUrl] != previousLinks.end ())
|
||||
// // impossible puisque le lien est toujours nouveau
|
||||
// previousLinks.erase (attachP->downloadUrl);
|
||||
}
|
||||
for (Attachment *attachP : allMarkedPtrs) {
|
||||
if (!attachP->embeddedData.size ())
|
||||
continue;
|
||||
for (EmbeddedData &embedded : attachP->embeddedData) {
|
||||
addLink (plainNewLinks, htmlNewLinks, embedded.downloadUrl, embedded.name);
|
||||
++linkCount;
|
||||
allId += embedded.downloadId;
|
||||
}
|
||||
}
|
||||
LOG ("allId:" << allId);
|
||||
|
||||
string plainOldLinks, htmlOldLinks;
|
||||
for (map <string, string>::const_iterator it = previousLinks.begin (); it != previousLinks.end (); ++it)
|
||||
addLink (plainOldLinks, htmlOldLinks, it->first, it->second);
|
||||
linkCount += previousLinks.size ();
|
||||
if (! linkCount) {
|
||||
LOG ("no attach");
|
||||
return;
|
||||
}
|
||||
|
||||
plain = "\n"+KAZ_PLAIN_START+"\n"+KAZ_PLAIN_HR+"\n"+KAZ_PLAIN_DONT_TOUCH+"\n\n"+KAZ_PLAIN_WARNING+"\n\n"+KAZ_PLAIN_DOWLOAD_ONE+"\n"+plainNewLinks;
|
||||
html = templateHtmlHeader+htmlNewLinks;
|
||||
if (previousLinks.size ()) {
|
||||
plain += KAZ_PLAIN_DOWLOAD_OTHER+"\n"+plainOldLinks;
|
||||
html += templateHtmlOtherLink+htmlOldLinks;
|
||||
}
|
||||
if (linkCount > 1 && archiveDownloadURL.length ()) {
|
||||
string allPlainLinks (templatePlainAllLink);
|
||||
replaceAll (allPlainLinks, TMPL_DOWNLOAD, archiveDownloadURL+allId);
|
||||
plain += allPlainLinks;
|
||||
string allLinks (templateHtmlAllLink);
|
||||
// allId => & => & done
|
||||
replaceAll (allLinks, TMPL_DOWNLOAD, archiveDownloadURL+allId);
|
||||
html += allLinks;
|
||||
}
|
||||
html += templateHtmlFooter;
|
||||
plain += "\n\n"+KAZ_WEB_SITE+"\n"+KAZ_PLAIN_HR+"\n"+KAZ_PLAIN_STOP+"\n";
|
||||
// & => & done
|
||||
LOG ("plain: " << plain);
|
||||
LOG ("html: " << html);
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
MainAttachment::addPrevious (const string &href, const string &name) {
|
||||
DEF_LOG ("Attachment::addPrevious", "href: " << href << " name: " << name);
|
||||
const string oldVal = previousLinks [href];
|
||||
if (name.empty ())
|
||||
return;
|
||||
previousLinks.erase (href);
|
||||
previousLinks [href] = name;
|
||||
LOG ("inserted: " << href << ": " << previousLinks[href]);
|
||||
}
|
||||
|
||||
void
|
||||
MainAttachment::extractLinks (const string &extractedPlainKAZ) {
|
||||
DEF_LOG ("Attachment::extractedPlainKAZ", "extractedPlainKAZ: " << extractedPlainKAZ);
|
||||
for (string::size_type startPos (0);
|
||||
(startPos = extractedPlainKAZ.find ("http", startPos)) != string::npos;
|
||||
) {
|
||||
streamoff stopPos = startPos;
|
||||
while (extractedPlainKAZ [stopPos] && availableURLChars.find (extractedPlainKAZ [stopPos]) != string::npos)
|
||||
++stopPos;
|
||||
const string href (extractedPlainKAZ.substr (startPos, stopPos-startPos));
|
||||
LOG ("plain href: " << href);
|
||||
if (extractedPlainKAZ [stopPos] && extractedPlainKAZ [stopPos] != '\n')
|
||||
++stopPos;
|
||||
startPos = stopPos;
|
||||
// get all href but KAZ_WEB_SITE
|
||||
// the archive link while be skip by filter.sh
|
||||
if (href == KAZ_WEB_SITE)
|
||||
continue;
|
||||
while (extractedPlainKAZ [stopPos] && extractedPlainKAZ [stopPos] != '\n')
|
||||
++stopPos;
|
||||
const string name (extractedPlainKAZ.substr (startPos, stopPos-startPos));
|
||||
LOG ("plain name: " << name);
|
||||
addPrevious (href, name);
|
||||
}
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
MainAttachment::extractLinks (const vector<string> &liOne) {
|
||||
DEF_LOG ("Attachment::extractedPlainKAZ", "liOne.size: " << liOne.size ());
|
||||
for (const string &one : liOne) {
|
||||
if (caseInsensitiveFind (one, CLASS_ONE) == string::npos)
|
||||
continue;
|
||||
string::size_type startPos = caseInsensitiveFind (one, HREF_ONE);
|
||||
|
||||
LOG_BUG (startPos == string::npos, continue, "eMailShrinker: bug M1: no href KAZ link. (one: " << one << ")");
|
||||
startPos += HREF_ONE.length ();
|
||||
LOG ("startPos: " << startPos);
|
||||
string::size_type stopPos = one.find ("\"", startPos);
|
||||
|
||||
LOG_BUG (stopPos == string::npos, break, "eMailShrinker: bug M2: no ending href KAZ link. (one: " << one << ")");
|
||||
LOG ("stopPos: " << stopPos);
|
||||
string href (one.substr (startPos, stopPos-startPos));
|
||||
LOG ("html href: " << href);
|
||||
stopPos = one.find (">", startPos);
|
||||
|
||||
LOG_BUG (one [stopPos] != '>', break, "eMailShrinker: bug M3: no ending href KAZ link. (one: " << one << ")");
|
||||
++stopPos;
|
||||
startPos = stopPos;
|
||||
LOG ("startPos: " << startPos);
|
||||
stopPos = caseInsensitiveFind (one, A_END, startPos);
|
||||
LOG ("stopPos: " << stopPos);
|
||||
|
||||
LOG_BUG (stopPos == string::npos, break, "eMailShrinker: bug M4: no ending anchor KAZ link. (one: " << one << ")");
|
||||
string name (one.substr (startPos, stopPos-startPos));
|
||||
LOG ("html name: " << name);
|
||||
addPrevious (href, name);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
MainAttachment::extractPreviousKAZ (ifstream &mbox) {
|
||||
DEF_LOG ("MainAttachment::extractPreviousKAZ", "");
|
||||
string extractedPlainKAZ, extractedHtmlKAZ;
|
||||
for (const Attachment *attachP : allMarkedPtrs) {
|
||||
if (!attachP->toUpdate || isBase64Encoding ())
|
||||
continue;
|
||||
string textProp = attachP->getProp (contentTypeToken, textRegEx);
|
||||
if (textProp.empty ())
|
||||
continue;
|
||||
string content (attachP->getContent (mbox));
|
||||
if (textProp == PLAIN) {
|
||||
LOG (PLAIN);
|
||||
extractedPlainKAZ += attachP->getSection (content, KAZ_PLAIN_START, KAZ_PLAIN_STOP);
|
||||
}
|
||||
if (textProp == HTML) {
|
||||
LOG (HTML);
|
||||
string section = attachP->getSection (content, KAZ_HTML_START, KAZ_HTML_STOP);
|
||||
section += attachP->getSection (content, KAZ_PLAIN_START, KAZ_PLAIN_STOP);
|
||||
// update href from HTML attachments
|
||||
replaceAll (section, "&", "&");
|
||||
extractedHtmlKAZ += section;
|
||||
}
|
||||
}
|
||||
LOG ("extractedPlainKAZ: "<< extractedPlainKAZ);
|
||||
extractLinks (extractedPlainKAZ);
|
||||
|
||||
LOG ("extractedHtmlKAZ: "<< extractedHtmlKAZ);
|
||||
vector<string> liOne;
|
||||
getSection (extractedHtmlKAZ, LI_BEGIN, LI_END, liOne);
|
||||
extractLinks (liOne);
|
||||
|
||||
#ifndef DISABLE_LOG
|
||||
for (map <string, string>::const_iterator it = previousLinks.begin (); it != previousLinks.end (); ++it)
|
||||
LOG ("oldLink link: " << it->first << " name: " << it->second);
|
||||
#endif
|
||||
}
|
||||
|
||||
void
|
||||
MainAttachment::removePreviousArchive () {
|
||||
vector<string> toRemove;
|
||||
for (map <string, string>::const_iterator it = previousLinks.begin (); it != previousLinks.end (); ++it)
|
||||
if (it->first.find ("&l=/") != string::npos)
|
||||
toRemove.push_back (it->first);
|
||||
for (string old : toRemove)
|
||||
previousLinks.erase (old);
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
MainAttachment::MainAttachment (ifstream &mbox)
|
||||
: Attachment (mbox, initTmpLevel (), 0, initTmpPos ()) {
|
||||
DEF_LOG ("MainAttachment::MainAttachment", "");
|
||||
string line;
|
||||
for (; getline (mbox, line); )
|
||||
tmpPos += line.length () + 1;
|
||||
endPos = tmpPos;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
MainAttachment::markSignificant (const streamoff &minAttachSize, ifstream &mbox) {
|
||||
DEF_LOG ("MainAttachment::markSignificant", "minAttachSize: " << minAttachSize);
|
||||
bool plainMarked (false), htmlMarked (false);
|
||||
markDisclaim (plainMarked, htmlMarked);
|
||||
Attachment::markSignificant ("", minAttachSize, mbox, allMarkedPtrs);
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
MainAttachment::getUpdatedURL (ifstream &mbox) {
|
||||
DEF_LOG ("MainAttachment::getUpdatedURL", "");
|
||||
extractPreviousKAZ (mbox);
|
||||
for (map <string, string>::iterator it = previousLinks.begin (); it != previousLinks.end (); ++it)
|
||||
cout << it->first << endl;
|
||||
}
|
||||
|
||||
void
|
||||
MainAttachment::newPjEntry (const int &attachCount, const string &contentType, const string &name, string &dirName, string &mediaName) const {
|
||||
DEF_LOG ("MainAttachment::newPjEntry", "attachCount: " << attachCount << " contentType: " << contentType << " name: " << name);
|
||||
ostringstream dirNameStream;
|
||||
dirNameStream << "PJ-" << std::setfill ('0') << std::setw (3) << int (attachCount);
|
||||
dirName = dirNameStream.str ();
|
||||
bfs::path dirPath (extractDir / dirName);
|
||||
|
||||
bfs::create_directory (dirPath);
|
||||
bfs::path metaPath (dirPath / "meta");
|
||||
|
||||
ofstream metaOut (metaPath.c_str ());
|
||||
metaOut
|
||||
<< "Content-Type: " << contentType << endl
|
||||
<< "Name: " << name << endl;
|
||||
metaOut.flush ();
|
||||
metaOut.close ();
|
||||
|
||||
bfs::path filePath (dirPath / "media");
|
||||
mediaName = filePath.c_str ();
|
||||
dirName = dirPath.c_str ();
|
||||
LOG ("dirName: " << dirName << " mediaName: " << mediaName);
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
MainAttachment::extract (ifstream &mbox, const SizeArg &minSize) const {
|
||||
DEF_LOG ("MainAttachment::extract", "minSize: " << minSize);
|
||||
int attachCount (0);
|
||||
string dirName, mediaName;
|
||||
for (Attachment *attachP : allMarkedPtrs) {
|
||||
if (!attachP->toExtract)
|
||||
continue;
|
||||
newPjEntry (attachCount, attachP->getContentType (), attachP->getAttachName (), dirName, mediaName);
|
||||
++attachCount;
|
||||
ofstream out (mediaName);
|
||||
|
||||
streamoff
|
||||
start (attachP->Attachment::contentPos),
|
||||
end (attachP->Attachment::endPos+1); // pour assurer le cas sans ^M
|
||||
mbox.seekg (start, ios::beg);
|
||||
if (attachP->isBase64Encoding ()) {
|
||||
unsigned char buff[4];
|
||||
int idx = 0;
|
||||
char c;
|
||||
for (streamoff curPos (start); mbox.get (c) && curPos < end; ++curPos) {
|
||||
if (c == '=')
|
||||
break;
|
||||
if (!isBase64 (c))
|
||||
continue;
|
||||
buff [idx] = getBase64Val (c);
|
||||
if (++idx != 4)
|
||||
continue;
|
||||
out.put (buff [0] << 2 | (buff [1] & 0x30) >> 4);
|
||||
out.put (buff [1] << 4 | (buff [2] & 0x3c) >> 2);
|
||||
out.put (buff [2] << 6 | buff [3]);
|
||||
idx = 0;
|
||||
}
|
||||
if (idx) {
|
||||
for (int j = idx; j < 4; ++j)
|
||||
buff [j] = 0;
|
||||
out.put (buff [0] << 2 | (buff [1] & 0x30) >> 4);
|
||||
--idx;
|
||||
if (idx)
|
||||
out.put (buff [1] << 4 | (buff [2] & 0x3c) >> 2);
|
||||
}
|
||||
} else {
|
||||
string line;
|
||||
for (streamoff curPos (start); getline (mbox, line); ) {
|
||||
curPos += line.length () + 1;
|
||||
if (curPos >= end) {
|
||||
out << line.substr (0, end + line.length () - curPos) << endl;
|
||||
break;
|
||||
}
|
||||
out << line << endl;
|
||||
}
|
||||
}
|
||||
out.flush ();
|
||||
out.close ();
|
||||
cout << dirName << endl;
|
||||
}
|
||||
for (Attachment *attachP : allMarkedPtrs) {
|
||||
if (!attachP->embeddedData.size ())
|
||||
continue;
|
||||
string content = attachP->getContent (mbox);
|
||||
vector<string> imgs;
|
||||
getSection (content, IMG_BEGIN, IMG_END, imgs);
|
||||
for (const EmbeddedData &embedded : attachP->embeddedData) {
|
||||
string &img (imgs[embedded.imgIdx]);
|
||||
img.erase (0, embedded.startData);
|
||||
img.erase (embedded.dataLength);
|
||||
base64Decode (img);
|
||||
newPjEntry (attachCount, embedded.contentType, embedded.name, dirName, mediaName);
|
||||
++attachCount;
|
||||
|
||||
ofstream out (mediaName);
|
||||
out.write (img.c_str (), img.size ());
|
||||
out.flush ();
|
||||
out.close ();
|
||||
cout << dirName << endl;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
MainAttachment::substitute (ifstream &mbox, ofstream &outbox, const SizeArg &minSize) {
|
||||
DEF_LOG ("MainAttachment::substitute", "minSize: " << minSize);
|
||||
|
||||
// preparation
|
||||
extractPreviousKAZ (mbox);
|
||||
removePreviousArchive ();
|
||||
map<const string, const string> translateHtml;
|
||||
for (Attachment *attachP : allMarkedPtrs)
|
||||
if (attachP->toExtract) {
|
||||
fillUrlId (attachP->downloadUrl, attachP->downloadId);
|
||||
if (attachP->downloadUrl.empty ()) {
|
||||
LOG ("no change");
|
||||
attachP->toExtract = false;
|
||||
continue;
|
||||
}
|
||||
if (attachP->cid.length ()) {
|
||||
string tmp (attachP->downloadUrl);
|
||||
replaceAll (tmp, "&", "&");
|
||||
translateHtml.insert (pair<const string, const string> (CID+attachP->cid, tmp));
|
||||
}
|
||||
}
|
||||
for (Attachment *attachP : allMarkedPtrs) {
|
||||
if (!attachP->embeddedData.size ())
|
||||
continue;
|
||||
for (EmbeddedData &embedded : attachP->embeddedData)
|
||||
fillUrlId (embedded.downloadUrl, embedded.downloadId);
|
||||
}
|
||||
string plainDisclaim, htmlDisclaim;
|
||||
getDisclaim (plainDisclaim, htmlDisclaim);
|
||||
// copy email
|
||||
streamoff curPos = 0;
|
||||
for (Attachment *attachP : allMarkedPtrs) {
|
||||
copy (mbox, outbox, curPos, attachP->beginInParent);
|
||||
|
||||
LOG_BUG (attachP->toUpdate && attachP->toExtract, /**/, "eMailShrinker: bug M5: update and extract. pos: " << attachP->beginPos);
|
||||
|
||||
if (attachP->toExtract) {
|
||||
LOG ("skip Extracted");
|
||||
|
||||
} else if (attachP->toUpdate) {
|
||||
string textProp = attachP->getProp (contentTypeToken, textRegEx);
|
||||
bool isPlain = textProp == PLAIN;
|
||||
bool isHtml = textProp == HTML;
|
||||
bool isDisclaimer = attachP->toDisclaim;
|
||||
|
||||
LOG_BUG (isPlain && isHtml, /**/, "eMailShrinker: bug M6: plain and html: " << attachP->getContentType ());
|
||||
LOG_BUG (! (isPlain || isHtml), /**/, "eMailShrinker: bug M7: not plain or html: " << attachP->getContentType ());
|
||||
LOG ("toUpdate: isPlain: " << isPlain << " isHtml: " << isHtml << " isDisclaimer: " << isDisclaimer);
|
||||
copy (mbox, outbox, attachP->beginInParent, attachP->contentPos);
|
||||
|
||||
string content = attachP->getContent (mbox);
|
||||
if (isHtml) {
|
||||
string::size_type headStart (caseInsensitiveFind (content, HEAD));
|
||||
LOG ("HEAD start: " << headStart);
|
||||
if (headStart != string::npos) {
|
||||
headStart += HEAD.length ();
|
||||
string::size_type headStop (caseInsensitiveFind (content, HEAD_END, headStart));
|
||||
if (headStop != string::npos) {
|
||||
// to reduce the scoop of search
|
||||
string oldHead (content.substr (headStart, headStop-headStart));
|
||||
LOG ("HEAD start: " << headStart << " stop: " << headStop << " old: " << oldHead);
|
||||
string::size_type oldCssPos (oldHead.find (KAZ_CSS_URL));
|
||||
if (oldCssPos != string::npos) {
|
||||
string::size_type oldStart (oldHead.rfind ('<', oldCssPos));
|
||||
string::size_type oldStop (oldHead.find ('>', oldCssPos));
|
||||
if (oldStart != string::npos && oldStop != string::npos) {
|
||||
++oldStop;
|
||||
if (oldStop < oldHead.length () && oldHead [oldStop] == '\n')
|
||||
++oldStop;
|
||||
content.erase (headStart+oldStart, oldStop-oldStart);
|
||||
}
|
||||
}
|
||||
content.insert (headStart, "\n"+KAZ_CSS);
|
||||
}
|
||||
// else XXX pas de /head (if faut en ajouter un (avec <html> ?))
|
||||
}
|
||||
removeSection (content, KAZ_HTML_START, KAZ_HTML_STOP);
|
||||
removeSection (content, KAZ_PLAIN_START, KAZ_PLAIN_STOP);
|
||||
// XXX case insensitive ??
|
||||
if (content.find (CID) != string::npos)
|
||||
replaceAll (content, translateHtml);
|
||||
attachP->replaceEmbedded (content);
|
||||
}
|
||||
if (isPlain)
|
||||
removeSection (content, KAZ_PLAIN_START, KAZ_PLAIN_STOP);
|
||||
if (isDisclaimer) {
|
||||
if (isHtml) {
|
||||
for (string endTag : {BODY_END, HTML_END}) {
|
||||
LOG ("try tag: " << endTag);
|
||||
string::size_type endTagStart = caseInsensitiveRFind (content, endTag);
|
||||
if (endTagStart != string::npos) {
|
||||
content = content.substr (0, endTagStart);
|
||||
LOG ("remove tag: " << endTag << " content: " << content);
|
||||
}
|
||||
}
|
||||
content += htmlDisclaim+BODY_END+HTML_END;
|
||||
LOG ("content: " << content);
|
||||
}
|
||||
if (isPlain)
|
||||
content += plainDisclaim;
|
||||
}
|
||||
attachP->println (outbox, content);
|
||||
} else {
|
||||
LOG_BUG (true, continue, "eMailShrinker: bug M8: can't change" << *attachP);
|
||||
}
|
||||
outbox.flush ();
|
||||
curPos = attachP->endPos;
|
||||
}
|
||||
copy (mbox, outbox, curPos, endPos);
|
||||
outbox.close ();
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
101
src/cpp/SizeArg.cpp
Normal file
101
src/cpp/SizeArg.cpp
Normal file
@ -0,0 +1,101 @@
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright KAZ 2021 //
|
||||
// //
|
||||
// contact (at) kaz.bzh //
|
||||
// //
|
||||
// This software is a filter to shrink email by attachment extraction. //
|
||||
// //
|
||||
// This software is governed by the CeCILL-B license under French law and //
|
||||
// abiding by the rules of distribution of free software. You can use, //
|
||||
// modify and/or redistribute the software under the terms of the //
|
||||
// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
|
||||
// URL "http://www.cecill.info". //
|
||||
// //
|
||||
// As a counterpart to the access to the source code and rights to copy, //
|
||||
// modify and redistribute granted by the license, users are provided //
|
||||
// only with a limited warranty and the software's author, the holder of //
|
||||
// the economic rights, and the successive licensors have only limited //
|
||||
// liability. //
|
||||
// //
|
||||
// In this respect, the user's attention is drawn to the risks associated //
|
||||
// with loading, using, modifying and/or developing or reproducing the //
|
||||
// software by the user in light of its specific status of free software, //
|
||||
// that may mean that it is complicated to manipulate, and that also //
|
||||
// therefore means that it is reserved for developers and experienced //
|
||||
// professionals having in-depth computer knowledge. Users are therefore //
|
||||
// encouraged to load and test the software's suitability as regards //
|
||||
// their requirements in conditions enabling the security of their //
|
||||
// systems and/or data to be ensured and, more generally, to use and //
|
||||
// operate it in the same conditions as regards security. //
|
||||
// //
|
||||
// The fact that you are presently reading this means that you have had //
|
||||
// knowledge of the CeCILL-B license and that you accept its terms. //
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#include <regex>
|
||||
|
||||
#include <boost/format.hpp>
|
||||
#include <boost/lexical_cast.hpp>
|
||||
|
||||
#include "kazDebug.hpp"
|
||||
#include "SizeArg.hpp"
|
||||
|
||||
using namespace std;
|
||||
using namespace kaz;
|
||||
|
||||
// ================================================================================
|
||||
SizeArg::SizeArg (const size_t &bytes)
|
||||
: bytes (bytes) {
|
||||
}
|
||||
|
||||
SizeArg::SizeArg (const string &option)
|
||||
: bytes (0) {
|
||||
init (option);
|
||||
}
|
||||
|
||||
void
|
||||
SizeArg::init (const string &token) {
|
||||
DEF_LOG ("SizeArg::init", "token: " << token);
|
||||
static const string prefix ("KMGTPEZY");
|
||||
static const regex formatRegEx ("([0-9]+) *([k"+prefix+"]?)(i?)");
|
||||
|
||||
if (!regex_match (token.begin (), token.end (), formatRegEx))
|
||||
throw invalid_argument ("Bad size");
|
||||
bytes = boost::lexical_cast<uint64_t> (regex_replace (token, formatRegEx, "$1"));
|
||||
const string v2 (regex_replace (token, formatRegEx, "$2"));
|
||||
size_t index = prefix.find (v2);
|
||||
if (v2.length ()) {
|
||||
if (index == string::npos)
|
||||
index = 0; // "k" case
|
||||
++index;
|
||||
}
|
||||
bytes *= pow (regex_replace (token, formatRegEx, "$3").empty () ? 1000 : 1024, index);
|
||||
LOG ("token:" << token << " index:" << index << " v2:<" << v2 << ">" << " b:" << bytes);
|
||||
}
|
||||
|
||||
|
||||
// ================================================================================
|
||||
ostream &
|
||||
kaz::operator << (ostream &out, const SizeArg &sizeArg) {
|
||||
static string sizes [] = {"", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi", "Yi"};
|
||||
|
||||
if (!sizeArg.bytes)
|
||||
return out << "0 byte";
|
||||
int nbBytes = (int) floor (log (sizeArg.bytes) / log (1024));
|
||||
double val ((sizeArg.bytes / pow (1024, nbBytes)));
|
||||
return out << boost::str (boost::format(nbBytes ? "%.2f " : val == 1 ? "%.0f byte" : + "%.0f bytes") % val) + sizes [nbBytes];
|
||||
}
|
||||
|
||||
istream &
|
||||
kaz::operator >> (istream &in, SizeArg &sizeArg) {
|
||||
string token;
|
||||
in >> token;
|
||||
try {
|
||||
sizeArg.init (token);
|
||||
} catch (...) {
|
||||
in.setstate (ios_base::failbit);
|
||||
}
|
||||
return in;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
232
src/cpp/eMailShrinker.cpp
Normal file
232
src/cpp/eMailShrinker.cpp
Normal file
@ -0,0 +1,232 @@
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright KAZ 2021 //
|
||||
// //
|
||||
// contact (at) kaz.bzh //
|
||||
// //
|
||||
// This software is a filter to shrink email by attachment extraction. //
|
||||
// //
|
||||
// This software is governed by the CeCILL-B license under French law and //
|
||||
// abiding by the rules of distribution of free software. You can use, //
|
||||
// modify and/or redistribute the software under the terms of the //
|
||||
// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
|
||||
// URL "http://www.cecill.info". //
|
||||
// //
|
||||
// As a counterpart to the access to the source code and rights to copy, //
|
||||
// modify and redistribute granted by the license, users are provided //
|
||||
// only with a limited warranty and the software's author, the holder of //
|
||||
// the economic rights, and the successive licensors have only limited //
|
||||
// liability. //
|
||||
// //
|
||||
// In this respect, the user's attention is drawn to the risks associated //
|
||||
// with loading, using, modifying and/or developing or reproducing the //
|
||||
// software by the user in light of its specific status of free software, //
|
||||
// that may mean that it is complicated to manipulate, and that also //
|
||||
// therefore means that it is reserved for developers and experienced //
|
||||
// professionals having in-depth computer knowledge. Users are therefore //
|
||||
// encouraged to load and test the software's suitability as regards //
|
||||
// their requirements in conditions enabling the security of their //
|
||||
// systems and/or data to be ensured and, more generally, to use and //
|
||||
// operate it in the same conditions as regards security. //
|
||||
// //
|
||||
// The fact that you are presently reading this means that you have had //
|
||||
// knowledge of the CeCILL-B license and that you accept its terms. //
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#define LAST_VERSION "eMailShrinker 1.3 2021-04-04"
|
||||
|
||||
#include <iostream>
|
||||
#include <fstream>
|
||||
#include <string>
|
||||
#include <chrono>
|
||||
#include <boost/program_options.hpp>
|
||||
#include <boost/filesystem.hpp>
|
||||
|
||||
#include "kazDebug.hpp"
|
||||
#include "kazMisc.hpp"
|
||||
#include "SizeArg.hpp"
|
||||
#include "MainAttachment.hpp"
|
||||
|
||||
using namespace std;
|
||||
using namespace boost;
|
||||
using namespace boost::program_options;
|
||||
using namespace kaz;
|
||||
|
||||
// ================================================================================
|
||||
static options_description mainDescription ("Main options", getCols ());
|
||||
static options_description hide ("Hidded options", getCols ());
|
||||
static char *prog = NULL;
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
usage (const string &msg = "", const bool &hidden = false) {
|
||||
if (!msg.empty ()) {
|
||||
cout << msg << endl;
|
||||
exit (1);
|
||||
}
|
||||
cout << endl
|
||||
<< "Usage: " << endl
|
||||
<< " A) " << prog << " -u mbox > url-list" << endl
|
||||
<< " B) " << prog << " [-s size] [-d dirName}] mbox > file-list" << endl
|
||||
<< " C) " << prog << " [-s size] [-a url] mbox altered-mbox < url-list" << endl
|
||||
<< endl << " filter attachments" << endl << endl
|
||||
<< " A: list previous embded url need to be refresh (no added option)" << endl
|
||||
<< " => downloadURL list" << endl
|
||||
<< " B: attachment extraction (options : s, d)" << endl
|
||||
<< " => list of (filename)" << endl
|
||||
<< " C: attachment replace with url (options : s) " << endl
|
||||
<< " <= list of (downloadURL [id])" << endl
|
||||
<< endl << mainDescription
|
||||
<< endl;
|
||||
if (hidden)
|
||||
cout << hide << endl;
|
||||
exit (0);
|
||||
}
|
||||
|
||||
void
|
||||
version () {
|
||||
cout << LAST_VERSION << " KAZ team production (https://kaz.bzh/)" << endl;
|
||||
exit (0);
|
||||
}
|
||||
|
||||
static auto startPrg = std::chrono::high_resolution_clock::now ();
|
||||
void
|
||||
showTime (string msg) {
|
||||
using namespace std::chrono;
|
||||
static auto stopPrg = high_resolution_clock::now ();
|
||||
|
||||
cerr << msg << " done in " << ns2string (duration_cast<duration<double> > (stopPrg-startPrg).count ()) << endl;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
static const string inputFile = "input-file";
|
||||
static const char *const inputFileC = inputFile.c_str ();
|
||||
|
||||
int
|
||||
main (int argc, char** argv) {
|
||||
// XXX debug before parse options
|
||||
// Log::debug = true;
|
||||
DEF_LOG ("main:", "");
|
||||
prog = argv [0];
|
||||
bool
|
||||
debugFlag (false),
|
||||
helpFlag (false),
|
||||
versionFlag (false),
|
||||
updateListFlag (false),
|
||||
useTheForceLuke (false),
|
||||
listFlag (false);
|
||||
string inputName, outputName, archiveDownloadURL;
|
||||
bfs::path extractDir (bfs::temp_directory_path ());
|
||||
SizeArg minAttachSize ("48 Ki");
|
||||
|
||||
try {
|
||||
mainDescription.add_options ()
|
||||
("help,h", bool_switch (&helpFlag), "produce this help message")
|
||||
("version,v", bool_switch (&versionFlag), "display version information")
|
||||
("size,s", value<SizeArg> (&minAttachSize)->default_value (minAttachSize), "minimum size for extration")
|
||||
("updateList,u", bool_switch (&updateListFlag), "list URL need refresh")
|
||||
("extractDir,d", value<bfs::path> (&extractDir)->default_value (extractDir), "set tmp directory name for extraction")
|
||||
("archiveDownloadURL,a", value<string> (&archiveDownloadURL)->default_value (archiveDownloadURL), "set url root web site to get bundle (like https://file.kaz.bzh/t.php?)")
|
||||
;
|
||||
|
||||
hide.add_options ()
|
||||
("useTheForceLuke", bool_switch (&useTheForceLuke), "display hidded options")
|
||||
("list,l", bool_switch (&listFlag), "get attachment list")
|
||||
("debug,g", bool_switch (&debugFlag), "debug mode")
|
||||
;
|
||||
|
||||
options_description cmd ("All options");
|
||||
cmd.add (mainDescription).add (hide).add_options ()
|
||||
(inputFileC, value<vector<string> > (), "input")
|
||||
;
|
||||
positional_options_description p;
|
||||
p.add (inputFileC, -1);
|
||||
variables_map vm;
|
||||
basic_parsed_options<char> parsed = command_line_parser (argc, argv).options (cmd).positional (p).run ();
|
||||
store (parsed, vm);
|
||||
notify (vm);
|
||||
|
||||
if (debugFlag) {
|
||||
#ifdef DISABLE_LOG
|
||||
cerr << "No debug option available (was compiled with -DDISABLE_LOG)" << endl;
|
||||
#endif
|
||||
}
|
||||
Log::debug = debugFlag;
|
||||
|
||||
if (useTheForceLuke)
|
||||
usage ("", true);
|
||||
if (versionFlag)
|
||||
version ();
|
||||
if (helpFlag)
|
||||
usage ();
|
||||
|
||||
if (vm.count (inputFileC)) {
|
||||
vector<string> var = vm[inputFileC].as<vector<string> > ();
|
||||
int nbArgs = vm[inputFileC].as<vector<string> > ().size ();
|
||||
if (!nbArgs)
|
||||
usage ("No input file(s)");
|
||||
inputName = var [0];
|
||||
if (nbArgs > 1)
|
||||
outputName = var [1];
|
||||
if (nbArgs > 2)
|
||||
usage ("Too much arguments");
|
||||
}
|
||||
} catch (std::exception &e) {
|
||||
cerr << "error: " << e.what() << endl;
|
||||
usage ();
|
||||
return 1;
|
||||
} catch (...) {
|
||||
cerr << "Exception of unknown type!" << endl;
|
||||
return 1;
|
||||
}
|
||||
|
||||
LOG ("minAttachSize: " << minAttachSize);
|
||||
|
||||
if (inputName.empty ())
|
||||
usage ("no input file");
|
||||
|
||||
// input mbox file
|
||||
ifstream mbox (inputName);
|
||||
MainAttachment attachment (mbox);
|
||||
mbox.close ();
|
||||
|
||||
if (attachment.getBoundary ().empty ()) {
|
||||
cerr << "no attachment" << endl;
|
||||
return 1;
|
||||
}
|
||||
// parse structure
|
||||
mbox.open (inputName);
|
||||
attachment.markSignificant (minAttachSize, mbox);
|
||||
mbox.close ();
|
||||
|
||||
if (listFlag)
|
||||
// debug
|
||||
cerr << attachment;
|
||||
|
||||
if (updateListFlag) {
|
||||
// update
|
||||
mbox.open (inputName);
|
||||
attachment.getUpdatedURL (mbox);
|
||||
showTime ("Find old links");
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (outputName.empty ()) {
|
||||
// extract
|
||||
attachment.setExtractDir (extractDir);
|
||||
mbox.open (inputName);
|
||||
attachment.extract (mbox, minAttachSize);
|
||||
showTime ("Extraction");
|
||||
return 0;
|
||||
}
|
||||
|
||||
// substitute
|
||||
if (archiveDownloadURL.length ())
|
||||
attachment.setArchiveDownloadURL (archiveDownloadURL);
|
||||
mbox.open (inputName);
|
||||
ofstream outbox (outputName);
|
||||
attachment.substitute (mbox, outbox, minAttachSize);
|
||||
showTime ("Substitution");
|
||||
return 0;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
293
src/cpp/jirafeauAPI.cpp
Normal file
293
src/cpp/jirafeauAPI.cpp
Normal file
@ -0,0 +1,293 @@
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright KAZ 2021 //
|
||||
// //
|
||||
// contact (at) kaz.bzh //
|
||||
// //
|
||||
// This software is a filter to shrink email by attachment extraction. //
|
||||
// //
|
||||
// This software is governed by the CeCILL-B license under French law and //
|
||||
// abiding by the rules of distribution of free software. You can use, //
|
||||
// modify and/or redistribute the software under the terms of the //
|
||||
// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
|
||||
// URL "http://www.cecill.info". //
|
||||
// //
|
||||
// As a counterpart to the access to the source code and rights to copy, //
|
||||
// modify and redistribute granted by the license, users are provided //
|
||||
// only with a limited warranty and the software's author, the holder of //
|
||||
// the economic rights, and the successive licensors have only limited //
|
||||
// liability. //
|
||||
// //
|
||||
// In this respect, the user's attention is drawn to the risks associated //
|
||||
// with loading, using, modifying and/or developing or reproducing the //
|
||||
// software by the user in light of its specific status of free software, //
|
||||
// that may mean that it is complicated to manipulate, and that also //
|
||||
// therefore means that it is reserved for developers and experienced //
|
||||
// professionals having in-depth computer knowledge. Users are therefore //
|
||||
// encouraged to load and test the software's suitability as regards //
|
||||
// their requirements in conditions enabling the security of their //
|
||||
// systems and/or data to be ensured and, more generally, to use and //
|
||||
// operate it in the same conditions as regards security. //
|
||||
// //
|
||||
// The fact that you are presently reading this means that you have had //
|
||||
// knowledge of the CeCILL-B license and that you accept its terms. //
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#define LAST_VERSION "1.0 2021-02-21 jirafeauAPI"
|
||||
|
||||
#include <iostream>
|
||||
#include <string>
|
||||
#include <curl/curl.h>
|
||||
#include <chrono>
|
||||
#include <boost/program_options.hpp>
|
||||
#include <boost/filesystem.hpp>
|
||||
|
||||
#include "kazDebug.hpp"
|
||||
#include "kazMisc.hpp"
|
||||
#include "SizeArg.hpp"
|
||||
|
||||
using namespace std;
|
||||
using namespace boost;
|
||||
using namespace boost::program_options;
|
||||
using namespace kaz;
|
||||
|
||||
namespace bfs = boost::filesystem;
|
||||
|
||||
// ================================================================================
|
||||
static options_description mainDescription ("Main options", getCols ());
|
||||
static options_description hide ("Hidded options", getCols ());
|
||||
static char *prog = NULL;
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
usage (const string &msg = "", const bool &hidden = false) {
|
||||
if (!msg.empty ()) {
|
||||
cout << msg << endl;
|
||||
exit (1);
|
||||
}
|
||||
cout << endl
|
||||
<< "Usage: " << endl
|
||||
<< " A) " << prog << " [-s size] [-t period] [-c content-type] [-n attachName] [-f server] send file [password] > url,delCode" << endl
|
||||
<< " B) " << prog << " [-t period] [-f server] update ref > dealine" << endl
|
||||
<< endl << " store ficle" << endl << endl
|
||||
<< " A: send file (options : s, t)" << endl
|
||||
<< " B: update deadline (options : t) " << endl
|
||||
<< endl << mainDescription
|
||||
<< endl;
|
||||
if (hidden)
|
||||
cout << hide << endl;
|
||||
exit (0);
|
||||
}
|
||||
|
||||
void
|
||||
version () {
|
||||
cout << LAST_VERSION << " KAZ team production (https://kaz.bzh/)" << endl;
|
||||
exit (0);
|
||||
}
|
||||
|
||||
static auto startPrg = std::chrono::high_resolution_clock::now ();
|
||||
void
|
||||
showTime (string msg) {
|
||||
using namespace std::chrono;
|
||||
static auto stopPrg = high_resolution_clock::now ();
|
||||
|
||||
cerr << msg << " done in " << ns2string (duration_cast<duration<double> > (stopPrg-startPrg).count ()) << endl;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
static size_t
|
||||
WriteCallback (void *contents, size_t size, size_t nmemb, void *userp) {
|
||||
((std::string*) userp)->append ((char*) contents, size * nmemb);
|
||||
return size * nmemb;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
static const string inputFile = "input-file";
|
||||
static const char *const inputFileC = inputFile.c_str ();
|
||||
|
||||
int
|
||||
main (int argc, char** argv) {
|
||||
// XXX debug before parse options
|
||||
// Log::debug = true;
|
||||
DEF_LOG ("main:", "");
|
||||
prog = argv [0];
|
||||
bool
|
||||
debugFlag (false),
|
||||
helpFlag (false),
|
||||
versionFlag (false),
|
||||
useTheForceLuke (false);
|
||||
enum JirCmd { SEND, UPDATE } jirCmd;
|
||||
string
|
||||
inputFileName,
|
||||
password,
|
||||
contentType,
|
||||
attachName,
|
||||
urlBase ("http://file.kaz.bzh"),
|
||||
apiPage ("/script.php"),
|
||||
downloadPage ("/f.php"),
|
||||
minimumAvailability ("month"),
|
||||
proxy;
|
||||
|
||||
SizeArg maxUploadSize ("100 Mi");
|
||||
|
||||
try {
|
||||
mainDescription.add_options ()
|
||||
("help,h", bool_switch (&helpFlag), "produce this help message")
|
||||
("version,v", bool_switch (&versionFlag), "display version information")
|
||||
("contentType,c", value<string> (&contentType)->default_value (contentType), "content-type of the sended file")
|
||||
("attachName,n", value<string> (&attachName)->default_value (attachName), "force attachment name")
|
||||
("minimumAvailability,t", value<string> (&minimumAvailability)->default_value (minimumAvailability), "minimum period of available download")
|
||||
("maxUploadSize,s", value<SizeArg> (&maxUploadSize)->default_value (maxUploadSize), "maximum upload size")
|
||||
("file server registery,f", value<string> (&urlBase)->default_value (urlBase), "server where file are temporary stored")
|
||||
;
|
||||
|
||||
hide.add_options ()
|
||||
("useTheForceLuke", bool_switch (&useTheForceLuke), "display hidded options")
|
||||
("debug,g", bool_switch (&debugFlag), "debug mode")
|
||||
("proxy,p", value<string> (&proxy)->default_value (proxy), "set proxy (proxy-host.org:8080)")
|
||||
("uploadPage,u", value<string> (&apiPage)->default_value (apiPage), "upload page")
|
||||
("downloadPage,d", value<string> (&downloadPage)->default_value (downloadPage), "download page")
|
||||
;
|
||||
|
||||
options_description cmd ("All options");
|
||||
cmd.add (mainDescription).add (hide).add_options ()
|
||||
(inputFileC, value<vector<string> > (), "input")
|
||||
;
|
||||
positional_options_description p;
|
||||
p.add (inputFileC, -1);
|
||||
variables_map vm;
|
||||
basic_parsed_options<char> parsed = command_line_parser (argc, argv).options (cmd).positional (p).run ();
|
||||
store (parsed, vm);
|
||||
notify (vm);
|
||||
|
||||
if (debugFlag) {
|
||||
#ifdef DISABLE_LOG
|
||||
cerr << "No debug option available (was compiled with -DDISABLE_LOG)" << endl;
|
||||
#endif
|
||||
}
|
||||
Log::debug = debugFlag;
|
||||
|
||||
if (useTheForceLuke)
|
||||
usage ("", true);
|
||||
if (versionFlag)
|
||||
version ();
|
||||
if (helpFlag)
|
||||
usage ();
|
||||
|
||||
if (vm.count (inputFileC)) {
|
||||
vector<string> var = vm[inputFileC].as<vector<string> > ();
|
||||
int nbArgs = vm[inputFileC].as<vector<string> > ().size ();
|
||||
if (!nbArgs)
|
||||
usage ("No command");
|
||||
if (var [0].compare ("send") == 0)
|
||||
jirCmd = SEND;
|
||||
else if (var [0].compare ("update") == 0)
|
||||
jirCmd = UPDATE;
|
||||
else
|
||||
usage ("Unknown command ("+var [0]+")");
|
||||
if (nbArgs < 2)
|
||||
usage ("no input file");
|
||||
inputFileName = var [1];
|
||||
if (nbArgs == 3)
|
||||
password = var [2];
|
||||
if (nbArgs > 3)
|
||||
usage ("Too much arguments");
|
||||
}
|
||||
} catch (std::exception &e) {
|
||||
cerr << "error: " << e.what() << endl;
|
||||
usage ();
|
||||
return 1;
|
||||
} catch (...) {
|
||||
cerr << "Exception of unknown type!" << endl;
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (inputFileName.empty ())
|
||||
usage ("no input");
|
||||
|
||||
CURL *easyhandle = curl_easy_init ();
|
||||
if (! easyhandle) {
|
||||
cerr << "no curl" << endl;
|
||||
return 1;
|
||||
}
|
||||
|
||||
string readBuffer;
|
||||
if (proxy.length ())
|
||||
curl_easy_setopt(easyhandle, CURLOPT_PROXY, proxy.c_str ());
|
||||
curl_easy_setopt (easyhandle, CURLOPT_WRITEFUNCTION, WriteCallback);
|
||||
curl_easy_setopt (easyhandle, CURLOPT_WRITEDATA, &readBuffer);
|
||||
curl_mime *multipart = curl_mime_init (easyhandle);
|
||||
curl_mimepart *part = nullptr;
|
||||
|
||||
switch (jirCmd) {
|
||||
case SEND: {
|
||||
LOG ("SEND: " << (urlBase+apiPage));
|
||||
curl_easy_setopt (easyhandle, CURLOPT_URL, (urlBase+apiPage).c_str ());
|
||||
|
||||
LOG ("maxUploadSize: " << maxUploadSize);
|
||||
long uploadsize = (size_t) maxUploadSize;
|
||||
curl_easy_setopt (easyhandle, CURLOPT_INFILESIZE, uploadsize);
|
||||
|
||||
LOG ("time: " << minimumAvailability);
|
||||
part = curl_mime_addpart (multipart);
|
||||
curl_mime_name (part, "time");
|
||||
curl_mime_data (part, minimumAvailability.c_str (), CURL_ZERO_TERMINATED);
|
||||
|
||||
if (password.size ()) {
|
||||
LOG ("key: " << password);
|
||||
part = curl_mime_addpart (multipart);
|
||||
curl_mime_name (part, "key");
|
||||
curl_mime_data (part, password.c_str (), CURL_ZERO_TERMINATED);
|
||||
}
|
||||
|
||||
LOG ("inputFileName: " << bfs::path (inputFileName).filename ());
|
||||
part = curl_mime_addpart (multipart);
|
||||
curl_mime_name (part, "file");
|
||||
if (contentType.length ()) {
|
||||
LOG ("contentType: " << contentType);
|
||||
curl_mime_type (part, contentType.c_str ());
|
||||
}
|
||||
if (attachName.empty ()) {
|
||||
attachName = bfs::path (inputFileName).filename ().c_str ();
|
||||
LOG ("attachName: " << attachName);
|
||||
}
|
||||
curl_mime_filename (part, attachName.c_str ());
|
||||
FILE *fp = fopen (inputFileName.c_str (), "r");
|
||||
fseek (fp, 0L, SEEK_END);
|
||||
long int fsize (ftell (fp));
|
||||
fseek (fp, 0L, SEEK_SET);
|
||||
curl_mime_data_cb (part, fsize,
|
||||
(curl_read_callback) fread,
|
||||
(curl_seek_callback) fseek,
|
||||
NULL, //(curl_seek_callback) fclose,
|
||||
fp);
|
||||
}
|
||||
break;
|
||||
|
||||
case UPDATE: {
|
||||
LOG ("UPDATE: " << (urlBase+downloadPage));
|
||||
curl_easy_setopt (easyhandle, CURLOPT_URL, (urlBase+downloadPage).c_str ());
|
||||
|
||||
LOG ("h: " << inputFileName);
|
||||
part = curl_mime_addpart (multipart);
|
||||
curl_mime_name (part, "h");
|
||||
curl_mime_data (part, inputFileName.c_str (), CURL_ZERO_TERMINATED);
|
||||
|
||||
LOG ("u: " << minimumAvailability);
|
||||
part = curl_mime_addpart (multipart);
|
||||
curl_mime_name (part, "u");
|
||||
curl_mime_data (part, minimumAvailability.c_str (), CURL_ZERO_TERMINATED);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
curl_easy_setopt (easyhandle, CURLOPT_MIMEPOST, multipart);
|
||||
curl_easy_perform (easyhandle);
|
||||
curl_easy_cleanup (easyhandle);
|
||||
cout << readBuffer << endl;
|
||||
|
||||
showTime ("Upload");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
86
src/cpp/kazDebug.cpp
Normal file
86
src/cpp/kazDebug.cpp
Normal file
@ -0,0 +1,86 @@
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright KAZ 2021 //
|
||||
// //
|
||||
// contact (at) kaz.bzh //
|
||||
// //
|
||||
// This software is a filter to shrink email by attachment extraction. //
|
||||
// //
|
||||
// This software is governed by the CeCILL-B license under French law and //
|
||||
// abiding by the rules of distribution of free software. You can use, //
|
||||
// modify and/or redistribute the software under the terms of the //
|
||||
// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
|
||||
// URL "http://www.cecill.info". //
|
||||
// //
|
||||
// As a counterpart to the access to the source code and rights to copy, //
|
||||
// modify and redistribute granted by the license, users are provided //
|
||||
// only with a limited warranty and the software's author, the holder of //
|
||||
// the economic rights, and the successive licensors have only limited //
|
||||
// liability. //
|
||||
// //
|
||||
// In this respect, the user's attention is drawn to the risks associated //
|
||||
// with loading, using, modifying and/or developing or reproducing the //
|
||||
// software by the user in light of its specific status of free software, //
|
||||
// that may mean that it is complicated to manipulate, and that also //
|
||||
// therefore means that it is reserved for developers and experienced //
|
||||
// professionals having in-depth computer knowledge. Users are therefore //
|
||||
// encouraged to load and test the software's suitability as regards //
|
||||
// their requirements in conditions enabling the security of their //
|
||||
// systems and/or data to be ensured and, more generally, to use and //
|
||||
// operate it in the same conditions as regards security. //
|
||||
// //
|
||||
// The fact that you are presently reading this means that you have had //
|
||||
// knowledge of the CeCILL-B license and that you accept its terms. //
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#include <iomanip>
|
||||
#include <sstream>
|
||||
#include <boost/date_time/posix_time/posix_time.hpp>
|
||||
#include <boost/chrono.hpp>
|
||||
|
||||
#include "kazDebug.hpp"
|
||||
|
||||
|
||||
using namespace std;
|
||||
using namespace kaz;
|
||||
|
||||
bool
|
||||
Log::debug = false;
|
||||
|
||||
size_t
|
||||
Log::indent = 0;
|
||||
|
||||
// ================================================================================
|
||||
string
|
||||
Log::getLocalTimeStr () {
|
||||
using namespace boost::posix_time;
|
||||
using namespace std;
|
||||
ptime now = second_clock::second_clock::local_time ();
|
||||
stringstream ss;
|
||||
auto date = now.date ();
|
||||
auto time = now.time_of_day ();
|
||||
ss << setfill ('0') << "["
|
||||
<< setw (2) << static_cast<int> (date.month ()) << "/" << setw (2) << date.day ()
|
||||
<< "] " << setw (2)
|
||||
<< time.hours () << ":" << setw (2) << time.minutes ();
|
||||
return ss.str();
|
||||
}
|
||||
|
||||
Log::Log (const string &functName)
|
||||
: functName (functName) {
|
||||
++indent;
|
||||
if (debug)
|
||||
cerr << *this << "> ";
|
||||
}
|
||||
|
||||
Log::~Log () {
|
||||
if (debug)
|
||||
cerr << *this << "<" << endl << flush;
|
||||
--indent;
|
||||
}
|
||||
|
||||
ostream &
|
||||
kaz::operator << (ostream &out, const Log &log) {
|
||||
return out << Log::getLocalTimeStr () << setw (3) << setw ((log.indent % 20)*2) << "" << log.functName;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
437
src/cpp/kazMisc.cpp
Normal file
437
src/cpp/kazMisc.cpp
Normal file
@ -0,0 +1,437 @@
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright KAZ 2021 //
|
||||
// //
|
||||
// contact (at) kaz.bzh //
|
||||
// //
|
||||
// This software is a filter to shrink email by attachment extraction. //
|
||||
// //
|
||||
// This software is governed by the CeCILL-B license under French law and //
|
||||
// abiding by the rules of distribution of free software. You can use, //
|
||||
// modify and/or redistribute the software under the terms of the //
|
||||
// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
|
||||
// URL "http://www.cecill.info". //
|
||||
// //
|
||||
// As a counterpart to the access to the source code and rights to copy, //
|
||||
// modify and redistribute granted by the license, users are provided //
|
||||
// only with a limited warranty and the software's author, the holder of //
|
||||
// the economic rights, and the successive licensors have only limited //
|
||||
// liability. //
|
||||
// //
|
||||
// In this respect, the user's attention is drawn to the risks associated //
|
||||
// with loading, using, modifying and/or developing or reproducing the //
|
||||
// software by the user in light of its specific status of free software, //
|
||||
// that may mean that it is complicated to manipulate, and that also //
|
||||
// therefore means that it is reserved for developers and experienced //
|
||||
// professionals having in-depth computer knowledge. Users are therefore //
|
||||
// encouraged to load and test the software's suitability as regards //
|
||||
// their requirements in conditions enabling the security of their //
|
||||
// systems and/or data to be ensured and, more generally, to use and //
|
||||
// operate it in the same conditions as regards security. //
|
||||
// //
|
||||
// The fact that you are presently reading this means that you have had //
|
||||
// knowledge of the CeCILL-B license and that you accept its terms. //
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#include <iostream>
|
||||
#include <sys/ioctl.h>
|
||||
#include <algorithm>
|
||||
#include <chrono>
|
||||
#include <sstream>
|
||||
#include <iomanip>
|
||||
|
||||
#include "kazDebug.hpp"
|
||||
#include "kazMisc.hpp"
|
||||
|
||||
using namespace std;
|
||||
using namespace kaz;
|
||||
|
||||
//template void kaz::quotedDecoded<'='> (string &content);
|
||||
//template void kaz::quotedDecoded<'%'> (string &content);
|
||||
|
||||
static const string::size_type MAX_QUOTED_PRINTABLE_SIZE (78);
|
||||
|
||||
const char *const kaz::base64Chars =
|
||||
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
||||
"abcdefghijklmnopqrstuvwxyz"
|
||||
"0123456789"
|
||||
"+/";
|
||||
|
||||
const string kaz::availableURLChars =
|
||||
"!#$%&'()*+,-./"
|
||||
"0123456789"
|
||||
":;=?"
|
||||
"@ABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
||||
"[]_"
|
||||
"abcdefghijklmnopqrstuvwxyz"
|
||||
"~";
|
||||
|
||||
|
||||
// ================================================================================
|
||||
uint16_t
|
||||
kaz::getCols () {
|
||||
struct winsize w;
|
||||
ioctl (0, TIOCGWINSZ, &w);
|
||||
return w.ws_col;
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
string
|
||||
kaz::ns2string (const double &delta) {
|
||||
using namespace std::chrono;
|
||||
|
||||
ostringstream oss;
|
||||
duration<double> ns (delta);
|
||||
oss.fill ('0');
|
||||
// typedef duration<int, ratio<86400> > days;
|
||||
// auto d = duration_cast<days>(ns);
|
||||
// ns -= d;
|
||||
auto h = duration_cast<hours> (ns);
|
||||
ns -= h;
|
||||
auto m = duration_cast<minutes> (ns);
|
||||
ns -= m;
|
||||
oss << setw (2) << h.count () << ":"
|
||||
<< setw (2) << m.count () << ":"
|
||||
<< setw (9) << fixed << setprecision (6) << ns.count ();
|
||||
return oss.str ();
|
||||
}
|
||||
// ================================================================================
|
||||
void
|
||||
kaz::replaceAll (string& str, const string &from, const string &to) {
|
||||
DEF_LOG ("kaz::replaceAll", "form: " << from << " to: " << to);
|
||||
if (str.empty () || from.empty ())
|
||||
return;
|
||||
for (string::size_type startPos (0);
|
||||
(startPos = str.find (from, startPos)) != string::npos;
|
||||
startPos += to.length ())
|
||||
str.replace (startPos, from.size (), to);
|
||||
}
|
||||
|
||||
void
|
||||
kaz::replaceAll (string& str, const map<const string, const string> &subst) {
|
||||
DEF_LOG ("kaz::replaceAll", "str: " << str);
|
||||
for (map<const string, const string>::const_iterator it = subst.begin (); it != subst.end (); ++it)
|
||||
replaceAll (str, it->first, it->second);
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
kaz::toLower (string &content) {
|
||||
DEF_LOG ("kaz::toLower", "content: " << content);
|
||||
static locale loc;
|
||||
for (string::size_type i = 0; i < content.length (); ++i)
|
||||
content [i] = tolower (content[i], loc);
|
||||
LOG ("content: " << content);
|
||||
}
|
||||
|
||||
const string &
|
||||
kaz::toUpperIfNeed (const string &src, string &tmp) {
|
||||
DEF_LOG ("kaz::toUpperIfNeed", "src: " << src);
|
||||
for (string::const_iterator it = src.begin (); it != src.end (); ++it)
|
||||
if (*it != toupper (*it)) {
|
||||
tmp.reserve ();
|
||||
for (it = src.begin (); it != src.end (); ++it)
|
||||
tmp.push_back (toupper (*it));
|
||||
return tmp;
|
||||
}
|
||||
return src;
|
||||
}
|
||||
|
||||
inline bool
|
||||
caseInsensitiveCharCompare (char a, char b) {
|
||||
return (toupper (a) == b);
|
||||
}
|
||||
|
||||
string::size_type
|
||||
kaz::caseInsensitiveFind (const string& s, const string& pattern, const string::size_type &pos) {
|
||||
DEF_LOG ("kaz::caseInsensitiveFind", "pattern: " << pattern << " pos: " << pos << " s: " << s);
|
||||
string tmp;
|
||||
const string &upperPattern (toUpperIfNeed (pattern, tmp));
|
||||
LOG ("pattern: " << upperPattern);
|
||||
string::const_iterator it (search (s.begin ()+pos, s.end (), upperPattern.begin (), upperPattern.end (), caseInsensitiveCharCompare));
|
||||
if (it == s.end ())
|
||||
return string::npos;
|
||||
LOG ("find: " << (it - s.begin ()));
|
||||
return it - s.begin ();
|
||||
}
|
||||
|
||||
string::size_type
|
||||
kaz::caseInsensitiveRFind (const string& s, const string& pattern, const string::size_type &pos) {
|
||||
DEF_LOG ("kaz::caseInsensitiveRFind", "pattern: " << pattern << " pos: " << pos << " s: " << s);
|
||||
string tmp;
|
||||
const string &upperPattern (toUpperIfNeed (pattern, tmp));
|
||||
LOG ("pattern: " << upperPattern);
|
||||
string::const_reverse_iterator it (search (s.rbegin (), s.rend ()+pos, upperPattern.rbegin (), upperPattern.rend (), caseInsensitiveCharCompare));
|
||||
if (it == s.rend ())
|
||||
return string::npos;
|
||||
LOG ("find: " << (s.rend () - it - pattern.length ()));
|
||||
return s.rend () - it - pattern.length ();
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
template<char delim>
|
||||
void
|
||||
kaz::quotedDecode (string &content) {
|
||||
DEF_LOG ("kaz::quotedDecode", "delim: " << delim << " content: " << content);
|
||||
string::size_type len (content.length ());
|
||||
if (!len)
|
||||
return;
|
||||
LOG ("len: " << len);
|
||||
string::iterator p (content.begin ()), q (p);
|
||||
for ( ;
|
||||
p < content.end ();
|
||||
++p, ++q) {
|
||||
if (*p != delim) {
|
||||
*q = *p;
|
||||
continue;
|
||||
}
|
||||
if (p+1 < content.end () && *(p+1) == '\n') {
|
||||
|
||||
LOG_BUG (q == content.begin (), ++p;continue, "kazMisc::quotedDecode bug: bad quoted-printable format. (start with '=', content: " << content << ")");
|
||||
++p;
|
||||
--q;
|
||||
continue;
|
||||
}
|
||||
|
||||
LOG_BUG (p+3 > content.end () || !isxdigit (p[1]) || !isxdigit (p[2]), return, "kazMisc::quotedDecode bug: bad quoted-printable format. (content: " << content << ")");
|
||||
*q = (char) ((getHexaVal (p[1]) << 4) + getHexaVal (p[2]));
|
||||
p += 2;
|
||||
}
|
||||
content.resize (q-content.begin ());
|
||||
LOG ("content: " << content);
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
kaz::quotedEncode (string &content) {
|
||||
DEF_LOG ("kaz::quotedDecode", "content: " << content);
|
||||
string::size_type nbQuoted (0);
|
||||
for (string::const_iterator it = content.begin (); it != content.end (); ++it)
|
||||
if (isQuotedPrintable (*it))
|
||||
++nbQuoted;
|
||||
if (!nbQuoted)
|
||||
return;
|
||||
string::size_type estimate (content.length ()+nbQuoted*3);
|
||||
estimate += (estimate/MAX_QUOTED_PRINTABLE_SIZE)*2;
|
||||
string result;
|
||||
result.reserve (estimate);
|
||||
string::size_type cols (0);
|
||||
char upper, lower;
|
||||
for (string::const_iterator it = content.begin (); it != content.end (); ++it) {
|
||||
const char &c (*it);
|
||||
if (c == '\n') {
|
||||
result.push_back ('\n');
|
||||
cols = 0;
|
||||
continue;
|
||||
}
|
||||
if (cols >= MAX_QUOTED_PRINTABLE_SIZE) {
|
||||
result.push_back ('=');
|
||||
result.push_back ('\n');
|
||||
cols = 0;
|
||||
}
|
||||
if (!isQuotedPrintable (c) ||
|
||||
((c == ' ' || c =='\t') && (it+1 == content.end () || *(it+1) == '\n'))) {
|
||||
if (cols > MAX_QUOTED_PRINTABLE_SIZE-3) {
|
||||
result.push_back ('=');
|
||||
result.push_back ('\n');
|
||||
cols = 0;
|
||||
}
|
||||
getHexa (c, upper, lower);
|
||||
result.push_back ('=');
|
||||
result.push_back (upper);
|
||||
result.push_back (lower);
|
||||
cols += 3;
|
||||
continue;
|
||||
}
|
||||
result.push_back (c);
|
||||
++cols;
|
||||
}
|
||||
content.swap (result);
|
||||
LOG ("content: " << content);
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
kaz::base64Decode (string &content) {
|
||||
DEF_LOG ("kaz::base64Decode", "content: " << content);
|
||||
string::size_type len (content.length ());
|
||||
if (!len)
|
||||
return;
|
||||
LOG ("len: " << len);
|
||||
unsigned char buff[4];
|
||||
int idx = 0;
|
||||
string::iterator p (content.begin ()), q (p);
|
||||
for (;
|
||||
p < content.end ();
|
||||
++p) {
|
||||
char c = *p;
|
||||
if (c == '=')
|
||||
break;
|
||||
if (c == '\n')
|
||||
continue;
|
||||
|
||||
LOG_BUG (!isBase64 (c), return, "kazMisc::base64Decode bug: bad base64 format. (content: " << content << ")");
|
||||
buff [idx] = getBase64Val (c);
|
||||
if (++idx != 4)
|
||||
continue;
|
||||
*q = buff [0] << 2 | (buff [1] & 0x30) >> 4;
|
||||
*++q = buff [1] << 4 | (buff [2] & 0x3c) >> 2;
|
||||
*++q = buff [2] << 6 | buff [3];
|
||||
++q;
|
||||
idx = 0;
|
||||
}
|
||||
if (idx) {
|
||||
for (int j = idx; j < 4; ++j)
|
||||
buff [j] = 0;
|
||||
*q = buff [0] << 2 | (buff [1] & 0x30) >> 4;
|
||||
++q;
|
||||
--idx;
|
||||
if (idx) {
|
||||
*q = buff [1] << 4 | (buff [2] & 0x3c) >> 2;
|
||||
++q;
|
||||
}
|
||||
}
|
||||
content.resize (q-content.begin ());
|
||||
LOG ("content: " << content);
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
kaz::base64Encode (string &content) {
|
||||
DEF_LOG ("kaz::base64Encode", "content: " << content);
|
||||
string::size_type length (content.length ());
|
||||
std::string result;
|
||||
result.reserve ((length + 2) / 3 * 4 + length / MAX_QUOTED_PRINTABLE_SIZE + 1);
|
||||
for (string::size_type pos (0), cols (0); pos < length; ) {
|
||||
result.push_back (base64Chars [(content [pos + 0] & 0xfc) >> 2]);
|
||||
if (pos == length-1) {
|
||||
result.push_back (base64Chars [(content [pos + 0] & 0x03) << 4]);
|
||||
result.push_back ('=');
|
||||
result.push_back ('=');
|
||||
break;
|
||||
}
|
||||
result.push_back (base64Chars [((content [pos + 0] & 0x03) << 4) +
|
||||
((content [pos + 1] & 0xF0) >> 4)]);
|
||||
if (pos == length-2) {
|
||||
result.push_back (base64Chars [(content [pos + 1] & 0x0F) << 2]);
|
||||
result.push_back ('=');
|
||||
break;
|
||||
}
|
||||
result.push_back (base64Chars [((content [pos + 1] & 0x0F) << 2) +
|
||||
((content [pos + 2] & 0xC0) >> 6)]);
|
||||
result.push_back (base64Chars [content [pos + 2] & 0x3F]);
|
||||
pos += 3;
|
||||
cols += 4;
|
||||
if (cols >= MAX_QUOTED_PRINTABLE_SIZE) {
|
||||
result.push_back ('\n');
|
||||
cols = 0;
|
||||
}
|
||||
}
|
||||
content = result;
|
||||
LOG ("content: " << content);
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
kaz::iso2utf (string &content) {
|
||||
DEF_LOG ("kaz::iso2utf", "content: " << content);
|
||||
string::size_type len (content.length ());
|
||||
if (!len)
|
||||
return;
|
||||
LOG ("len: " << len);
|
||||
string::size_type charCount (0);
|
||||
for (string::iterator it = content.begin (); it != content.end (); ++it)
|
||||
if ((uint8_t) *it >= 0x80)
|
||||
++charCount;
|
||||
if (!charCount)
|
||||
return;
|
||||
LOG ("charCount: " << charCount);
|
||||
content.resize (len+charCount);
|
||||
string::iterator p (content.end ()-1), q (p+charCount);
|
||||
for ( ; ; --p, --q) {
|
||||
uint8_t ch = *p;
|
||||
if (ch < 0x80)
|
||||
*q = ch;
|
||||
else {
|
||||
*q = 0x80 | (ch & 0x3F);
|
||||
*--q = 0xc0 | ch >> 6;
|
||||
LOG ("ch: " << (char) ch);
|
||||
}
|
||||
if (p == q)
|
||||
break;
|
||||
}
|
||||
LOG ("content: " << content);
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
kaz::encodedWord (string &content) {
|
||||
// rfc2047
|
||||
DEF_LOG ("kaz::extendedWord", "content: " << content);
|
||||
string::size_type charsetPos = content.find ("=?");
|
||||
if (charsetPos == string::npos)
|
||||
return;
|
||||
LOG ("charsetPos: " << charsetPos);
|
||||
|
||||
LOG_BUG (charsetPos != 0, return, "kazMisc::extendedWord bug: =? not at begin pos. (content: " << content << ")");
|
||||
string result;
|
||||
for ( ;
|
||||
(charsetPos = content.find ("=?", charsetPos)) != string::npos;
|
||||
) {
|
||||
string::size_type modePos = content.find ("?", charsetPos+2);
|
||||
|
||||
LOG_BUG (modePos == string::npos, return, "kazMisc::extendedWord bug: no end chartset. (content: " << content << ")");
|
||||
string::size_type contentPos = content.find ("?", modePos+1);
|
||||
|
||||
LOG_BUG (contentPos != modePos+2, return, "kazMisc::extendedWord bug: no end chartset. (content: " << content << ")");
|
||||
string::size_type endPos = content.find ("?=", contentPos+1);
|
||||
|
||||
LOG_BUG (endPos == string::npos, return, "kazMisc::extendedWord bug: no end chartset. (content: " << content << ")");
|
||||
string tmp (content.substr (contentPos+1, endPos-contentPos-1));
|
||||
switch (content [modePos+1]) {
|
||||
case 'B':
|
||||
case 'b':
|
||||
base64Decode (tmp);
|
||||
break;
|
||||
case 'Q':
|
||||
case 'q':
|
||||
quotedDecode (tmp);
|
||||
break;
|
||||
default:
|
||||
|
||||
LOG_BUG (true, return, "kazMisc::extendedWord bug: unknown mode. (mode: " << content [modePos+1] << ")");
|
||||
}
|
||||
LOG ("tmp: " << tmp);
|
||||
string charset (content.substr (charsetPos, modePos-charsetPos-2));
|
||||
toLower (charset);
|
||||
if (! caseInsensitiveFind (charset, "ISO"))
|
||||
iso2utf (tmp);
|
||||
result += tmp;
|
||||
charsetPos = endPos+2;
|
||||
}
|
||||
content = result;
|
||||
LOG ("content: " << content);
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
void
|
||||
kaz::charsetValue (string &content) {
|
||||
// rfc2184
|
||||
DEF_LOG ("kaz::charsetValue", "content: " << content);
|
||||
string::size_type langPos = content.find ("'");
|
||||
|
||||
LOG_BUG (langPos == string::npos, return, "kazMisc::charsetValue bug: no '. (content: " << content << ")");
|
||||
string::size_type contentPos = content.find ("'", langPos+1);
|
||||
|
||||
LOG_BUG (contentPos == string::npos, return, "kazMisc::charsetValue bug: no double '. (content: " << content << ")");
|
||||
string tmp (content.substr (contentPos+1));
|
||||
quotedDecode<'%'> (tmp);
|
||||
LOG ("tmp: " << tmp);
|
||||
string charset (content.substr (0, langPos));
|
||||
toLower (charset);
|
||||
if (! caseInsensitiveFind (charset, "ISO"))
|
||||
iso2utf (tmp);
|
||||
content = tmp;
|
||||
LOG ("content: " << content);
|
||||
}
|
||||
|
||||
// ================================================================================
|
||||
154
src/include/Attachment.hpp
Normal file
154
src/include/Attachment.hpp
Normal file
@ -0,0 +1,154 @@
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright KAZ 2021 //
|
||||
// //
|
||||
// contact (at) kaz.bzh //
|
||||
// //
|
||||
// This software is a filter to shrink email by attachment extraction. //
|
||||
// //
|
||||
// This software is governed by the CeCILL-B license under French law and //
|
||||
// abiding by the rules of distribution of free software. You can use, //
|
||||
// modify and/or redistribute the software under the terms of the //
|
||||
// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
|
||||
// URL "http://www.cecill.info". //
|
||||
// //
|
||||
// As a counterpart to the access to the source code and rights to copy, //
|
||||
// modify and redistribute granted by the license, users are provided //
|
||||
// only with a limited warranty and the software's author, the holder of //
|
||||
// the economic rights, and the successive licensors have only limited //
|
||||
// liability. //
|
||||
// //
|
||||
// In this respect, the user's attention is drawn to the risks associated //
|
||||
// with loading, using, modifying and/or developing or reproducing the //
|
||||
// software by the user in light of its specific status of free software, //
|
||||
// that may mean that it is complicated to manipulate, and that also //
|
||||
// therefore means that it is reserved for developers and experienced //
|
||||
// professionals having in-depth computer knowledge. Users are therefore //
|
||||
// encouraged to load and test the software's suitability as regards //
|
||||
// their requirements in conditions enabling the security of their //
|
||||
// systems and/or data to be ensured and, more generally, to use and //
|
||||
// operate it in the same conditions as regards security. //
|
||||
// //
|
||||
// The fact that you are presently reading this means that you have had //
|
||||
// knowledge of the CeCILL-B license and that you accept its terms. //
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifndef _kaz_Attachment_hpp
|
||||
#define _kaz_Attachment_hpp
|
||||
|
||||
#include <string>
|
||||
#include <regex>
|
||||
#include <map>
|
||||
#include <utility>
|
||||
|
||||
#include "EmbeddedData.hpp"
|
||||
|
||||
namespace kaz {
|
||||
|
||||
using namespace std;
|
||||
|
||||
// ================================================================================
|
||||
/*! e-mail structure */
|
||||
class Attachment {
|
||||
public:
|
||||
/*! tokens indicat candidats to be updated by remove attachment */
|
||||
//static const vector<const string> stringsToUpdate;
|
||||
static vector<string> stringsToUpdate;
|
||||
/*! mime tokens */
|
||||
static const string contentTypeToken, contentDispositionToken, contentTransferEncodingToken, base64Token, quotedPrintableToken, contentIDToken, PLAIN, HTML, RELATED, ALTERNATIVE;
|
||||
/*! pattern to extract mime values */
|
||||
static const regex nameRegEx, nameCharsetRegEx, boundaryRegEx, cidDefRegEx, textRegEx, multiRegEx;
|
||||
|
||||
/*! get uniq filename */
|
||||
static string getUnknown (const string &ext = "");
|
||||
/*! remove all sections in content given by boundary tags */
|
||||
static void removeSection (string &content, const string &beginTag, const string &endTag);
|
||||
/*! catenates all sections in content given by boundary tags (use temporary vector) */
|
||||
static string getSection (const string &content, const string &beginTag, const string &endTag);
|
||||
/*! get all sections in content given by boundary marks and put them in result */
|
||||
static void getSection (const string &content, const string &beginTag, const string &endTag, vector<string> &result);
|
||||
|
||||
/*! return the content-type */
|
||||
const string getContentType () const;
|
||||
/*! return the filename in mime (or uniq name if missing) */
|
||||
const string getAttachName () const;
|
||||
/*! return reference to the saved boundary. Empty value if attachment is not a multipart */
|
||||
const string &getBoundary () const;
|
||||
/*! return the size of the content */
|
||||
const streamoff getSize () const;
|
||||
/*! get a part of a mime header value */
|
||||
const string getProp (const string &token, const regex ®Ex) const;
|
||||
|
||||
/*! return if base64 encoded */
|
||||
const bool isBase64Encoding () const;
|
||||
/*! return if quoted-printable encoded */
|
||||
const bool isQuotedPrintableEnconding () const;
|
||||
/*! return if text (plain or html) and base64 encoded */
|
||||
const bool isTextBase64 () const;
|
||||
/*! return check if value exists in mime header */
|
||||
const bool isDefProp (const string &token, const string &val) const;
|
||||
|
||||
protected:
|
||||
/*! HTML image tag*/
|
||||
static const string IMG_BEGIN, IMG_END;
|
||||
|
||||
/*! Attachment level (0 is main) */
|
||||
const int level;
|
||||
/*! char position in the mbox of the boundary before this attachment */
|
||||
const streamoff beginInParent;
|
||||
/*! char position of attachment including mime */
|
||||
const streamoff beginPos;
|
||||
/*! char position of attachment content */
|
||||
streamoff contentPos, endPos;
|
||||
/*! properties of the attachment */
|
||||
bool toExtract, toUpdate, toDisclaim;
|
||||
/*! id of an image embedded in mbox */
|
||||
string cid;
|
||||
/*! url to replace the attachment and its short id */
|
||||
string downloadUrl, downloadId;
|
||||
/*! properties of embedded image (self encoded with base64)*/
|
||||
vector<EmbeddedData> embeddedData;
|
||||
|
||||
/*! mime values of the attachment */
|
||||
map<string, string> env;
|
||||
/*! boundary if the attachment is a multipart including previous and next "--" */
|
||||
string boundary;
|
||||
/*! size of boundary before the last "--" */
|
||||
streamoff boundaryMiddleSize;
|
||||
|
||||
/*! sub attachment if the attachment is a multipart */
|
||||
vector<Attachment> subAttachements;
|
||||
|
||||
/*! called during the parse process */
|
||||
Attachment (ifstream &mbox, const int &level, const streamoff beginInParent, streamoff &curPos);
|
||||
|
||||
/*! called one time by the constructor */
|
||||
void readMime (ifstream &mbox, streamoff &curPos);
|
||||
/*! called one time by the constructor */
|
||||
void readBoundaries (ifstream &mbox, streamoff &curPos);
|
||||
/*! called for each part during the parse process add add a subAttachement. Return false when found last boundary */
|
||||
bool nextBondary (ifstream &mbox, streamoff &curPos);
|
||||
|
||||
/*! recursively marks alternative attachments to be disclaim */
|
||||
void markDisclaim (bool &plainMarked, bool &htmlMarked);
|
||||
/*! recursively marks big attachments to be removed and upated (including disclaim). return true when part need to be updated (can't be extracted). */
|
||||
bool markSignificant (const string &parentMultiProp, const streamoff &minAttachSize, ifstream &mbox, vector<Attachment *> &allMarkedPtrs);
|
||||
/*! get a copy of the content. Base64 is decoded. Quoted-Printable is unwarp and unquoted */
|
||||
string getContent (ifstream &mbox) const;
|
||||
/*! write the content, encoded if necessary (base64 and quoted-printable) */
|
||||
void println (ofstream &outbox, string content) const;
|
||||
|
||||
/*! replace embedded image */
|
||||
void replaceEmbedded (string &content) const;
|
||||
|
||||
public:
|
||||
friend class MainAttachment;
|
||||
friend ostream& operator << (ostream& os, const Attachment& attachment);
|
||||
};
|
||||
|
||||
/*! for debug pupose */
|
||||
ostream& operator << (ostream& os, const Attachment& attachment);
|
||||
|
||||
// ================================================================================
|
||||
}
|
||||
|
||||
#endif // _kaz_Attachment_hpp
|
||||
70
src/include/EmbeddedData.hpp
Normal file
70
src/include/EmbeddedData.hpp
Normal file
@ -0,0 +1,70 @@
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright KAZ 2021 //
|
||||
// //
|
||||
// contact (at) kaz.bzh //
|
||||
// //
|
||||
// This software is a filter to shrink email by attachment extraction. //
|
||||
// //
|
||||
// This software is governed by the CeCILL-B license under French law and //
|
||||
// abiding by the rules of distribution of free software. You can use, //
|
||||
// modify and/or redistribute the software under the terms of the //
|
||||
// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
|
||||
// URL "http://www.cecill.info". //
|
||||
// //
|
||||
// As a counterpart to the access to the source code and rights to copy, //
|
||||
// modify and redistribute granted by the license, users are provided //
|
||||
// only with a limited warranty and the software's author, the holder of //
|
||||
// the economic rights, and the successive licensors have only limited //
|
||||
// liability. //
|
||||
// //
|
||||
// In this respect, the user's attention is drawn to the risks associated //
|
||||
// with loading, using, modifying and/or developing or reproducing the //
|
||||
// software by the user in light of its specific status of free software, //
|
||||
// that may mean that it is complicated to manipulate, and that also //
|
||||
// therefore means that it is reserved for developers and experienced //
|
||||
// professionals having in-depth computer knowledge. Users are therefore //
|
||||
// encouraged to load and test the software's suitability as regards //
|
||||
// their requirements in conditions enabling the security of their //
|
||||
// systems and/or data to be ensured and, more generally, to use and //
|
||||
// operate it in the same conditions as regards security. //
|
||||
// //
|
||||
// The fact that you are presently reading this means that you have had //
|
||||
// knowledge of the CeCILL-B license and that you accept its terms. //
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifndef _kaz_EmbeddedData_hpp
|
||||
#define _kaz_EmbeddedData_hpp
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
namespace kaz {
|
||||
|
||||
using namespace std;
|
||||
|
||||
// ================================================================================
|
||||
/*! properties of embedded image in html part (rfc2397) */
|
||||
class EmbeddedData {
|
||||
public:
|
||||
/*! rank of this image tag */
|
||||
int imgIdx;
|
||||
/*! extracted in first pass */
|
||||
string contentType, name;
|
||||
string downloadUrl, downloadId;
|
||||
/*! area of base64 relative in the image section */
|
||||
string::size_type startData, dataLength;
|
||||
|
||||
/*! initialisation in the first pass */
|
||||
EmbeddedData (const int &imgIdx, const string &contentType, const string &name, const string::size_type &startData, const string::size_type &dataLength);
|
||||
|
||||
/*! records properties */
|
||||
static void fillEmbeddedData (const vector<string> &imgs, const streamoff &minAttachSize, vector<EmbeddedData> &data);
|
||||
|
||||
// friend ostream& operator << (ostream& os, const EmbeddedData& embeddedData);
|
||||
};
|
||||
ostream& operator << (ostream& os, const EmbeddedData& embeddedData);
|
||||
|
||||
// ================================================================================
|
||||
}
|
||||
|
||||
#endif // _kaz_EmbeddedData_hpp
|
||||
121
src/include/MainAttachment.hpp
Normal file
121
src/include/MainAttachment.hpp
Normal file
@ -0,0 +1,121 @@
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright KAZ 2021 //
|
||||
// //
|
||||
// contact (at) kaz.bzh //
|
||||
// //
|
||||
// This software is a filter to shrink email by attachment extraction. //
|
||||
// //
|
||||
// This software is governed by the CeCILL-B license under French law and //
|
||||
// abiding by the rules of distribution of free software. You can use, //
|
||||
// modify and/or redistribute the software under the terms of the //
|
||||
// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
|
||||
// URL "http://www.cecill.info". //
|
||||
// //
|
||||
// As a counterpart to the access to the source code and rights to copy, //
|
||||
// modify and redistribute granted by the license, users are provided //
|
||||
// only with a limited warranty and the software's author, the holder of //
|
||||
// the economic rights, and the successive licensors have only limited //
|
||||
// liability. //
|
||||
// //
|
||||
// In this respect, the user's attention is drawn to the risks associated //
|
||||
// with loading, using, modifying and/or developing or reproducing the //
|
||||
// software by the user in light of its specific status of free software, //
|
||||
// that may mean that it is complicated to manipulate, and that also //
|
||||
// therefore means that it is reserved for developers and experienced //
|
||||
// professionals having in-depth computer knowledge. Users are therefore //
|
||||
// encouraged to load and test the software's suitability as regards //
|
||||
// their requirements in conditions enabling the security of their //
|
||||
// systems and/or data to be ensured and, more generally, to use and //
|
||||
// operate it in the same conditions as regards security. //
|
||||
// //
|
||||
// The fact that you are presently reading this means that you have had //
|
||||
// knowledge of the CeCILL-B license and that you accept its terms. //
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifndef _kaz_MainAttachment_hpp
|
||||
#define _kaz_MainAttachment_hpp
|
||||
|
||||
#include <boost/filesystem.hpp>
|
||||
#include "Attachment.hpp"
|
||||
|
||||
namespace kaz {
|
||||
|
||||
using namespace std;
|
||||
namespace bfs = boost::filesystem;
|
||||
|
||||
// ================================================================================
|
||||
/*! root level of e-mail structure */
|
||||
class MainAttachment : public Attachment {
|
||||
public:
|
||||
/*! text to add in disclaim */
|
||||
static const string templatePlainAddLink, templatePlainAllLink, templateHtmlHeader, templateHtmlAddLink, templateHtmlOtherLink, templateHtmlAllLink, templateHtmlFooter;
|
||||
|
||||
/*! white space to split a text */
|
||||
static const regex whiteSpaceRegEx;
|
||||
|
||||
/*! copy a slice of mbox to stdout */
|
||||
static void copy (ifstream &mbox, ofstream &outbox, const streamoff &begin, const streamoff &end);
|
||||
|
||||
/*! get url and id (space separated) from stdin */
|
||||
void fillUrlId (string &url, string &id);
|
||||
|
||||
/*! location of extracted files */
|
||||
void setExtractDir (const bfs::path &extractDir);
|
||||
/*! URL base for archive download of all extracted files */
|
||||
void setArchiveDownloadURL (const string &archiveDownloadURL);
|
||||
/*! add a single link in disclaim */
|
||||
void addLink (string &plain, string &html, const string &url, const string &name) const;
|
||||
/*! get disclaim according alls links (retreived or create) */
|
||||
void getDisclaim (string &plain, string &html) const;
|
||||
|
||||
private:
|
||||
/*! for boot strap the attachment constructor */
|
||||
streamoff &initTmpPos () { return tmpPos = 0; }
|
||||
/*! for boot strap the attachment constructor */
|
||||
int &initTmpLevel () { return tmpLevel = 0; }
|
||||
|
||||
/*! volatile values*/
|
||||
streamoff tmpPos;
|
||||
int tmpLevel;
|
||||
|
||||
/*! dir path for extraction */
|
||||
bfs::path extractDir;
|
||||
/*! URL base for download archives */
|
||||
string archiveDownloadURL;
|
||||
|
||||
/*! subset in the tree of all attachments to be consider for extraction or modification */
|
||||
vector<Attachment *> allMarkedPtrs;
|
||||
/*! previous links find in mbox */
|
||||
map<string, string> previousLinks;
|
||||
/*! add link only if no significant value already exist. */
|
||||
void addPrevious (const string &href, const string &name);
|
||||
|
||||
/*! extract previous links from plain text. Used by extractPreviousKAZ */
|
||||
void extractLinks (const string &extractedPlainKAZ);
|
||||
/*! extract previous links from html-li list. Used by extractPreviousKAZ */
|
||||
void extractLinks (const vector<string> &liOne);
|
||||
/*! extract previous links in mbox. Used by getUpdatedURL and substitute */
|
||||
void extractPreviousKAZ (ifstream &mbox);
|
||||
/*! remove previous links to archive. Used by substitute */
|
||||
void removePreviousArchive ();
|
||||
|
||||
public:
|
||||
/*! the main attachment in mbox */
|
||||
MainAttachment (ifstream &mbox);
|
||||
|
||||
/*! mark disclaim, update and extract attachments. Must be call before: getUpdatedURL, extract or substitute */
|
||||
void markSignificant (const streamoff &minAttachSize, ifstream &mbox);
|
||||
/*! write to stdout le list of previous links in mbox */
|
||||
void getUpdatedURL (ifstream &mbox);
|
||||
/*! create record for extraction */
|
||||
void newPjEntry (const int &attachCount, const string &contentType, const string &name, string &dirName, string &mediaName) const;
|
||||
/*! extract big attachments in mbox to extractDir and write to stdout le dirname of each extraction */
|
||||
void extract (ifstream &mbox, const SizeArg &minSize) const;
|
||||
/*! substitute big attachments by the url give in stdin */
|
||||
void substitute (ifstream &mbox, ofstream &outbox, const SizeArg &minSize);
|
||||
};
|
||||
|
||||
// ================================================================================
|
||||
}
|
||||
|
||||
#endif // _kaz_MainAttachment_hpp
|
||||
74
src/include/SizeArg.hpp
Normal file
74
src/include/SizeArg.hpp
Normal file
@ -0,0 +1,74 @@
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright KAZ 2021 //
|
||||
// //
|
||||
// contact (at) kaz.bzh //
|
||||
// //
|
||||
// This software is a filter to shrink email by attachment extraction. //
|
||||
// //
|
||||
// This software is governed by the CeCILL-B license under French law and //
|
||||
// abiding by the rules of distribution of free software. You can use, //
|
||||
// modify and/or redistribute the software under the terms of the //
|
||||
// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
|
||||
// URL "http://www.cecill.info". //
|
||||
// //
|
||||
// As a counterpart to the access to the source code and rights to copy, //
|
||||
// modify and redistribute granted by the license, users are provided //
|
||||
// only with a limited warranty and the software's author, the holder of //
|
||||
// the economic rights, and the successive licensors have only limited //
|
||||
// liability. //
|
||||
// //
|
||||
// In this respect, the user's attention is drawn to the risks associated //
|
||||
// with loading, using, modifying and/or developing or reproducing the //
|
||||
// software by the user in light of its specific status of free software, //
|
||||
// that may mean that it is complicated to manipulate, and that also //
|
||||
// therefore means that it is reserved for developers and experienced //
|
||||
// professionals having in-depth computer knowledge. Users are therefore //
|
||||
// encouraged to load and test the software's suitability as regards //
|
||||
// their requirements in conditions enabling the security of their //
|
||||
// systems and/or data to be ensured and, more generally, to use and //
|
||||
// operate it in the same conditions as regards security. //
|
||||
// //
|
||||
// The fact that you are presently reading this means that you have had //
|
||||
// knowledge of the CeCILL-B license and that you accept its terms. //
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifndef _kaz_SizeArg_hpp
|
||||
#define _kaz_SizeArg_hpp
|
||||
|
||||
#include <iostream>
|
||||
#include <string>
|
||||
#include <boost/lexical_cast.hpp>
|
||||
|
||||
namespace kaz {
|
||||
|
||||
using namespace std;
|
||||
|
||||
// ================================================================================
|
||||
/*! human readable of size values */
|
||||
class SizeArg {
|
||||
private:
|
||||
/*! the size */
|
||||
size_t bytes;
|
||||
|
||||
/*! human readable convertion */
|
||||
void init (const string &option);
|
||||
public:
|
||||
/*! scalar convertion */
|
||||
operator size_t () const { return bytes; }
|
||||
|
||||
/*! initialization from scalar value */
|
||||
SizeArg (const size_t &bytes = 0);
|
||||
/*! initialization from human readable value */
|
||||
SizeArg (const string &option);
|
||||
|
||||
friend ostream &operator << (ostream &out, const SizeArg &sizeArg);
|
||||
friend istream &operator >> (istream &in, SizeArg &sizeArg);
|
||||
};
|
||||
|
||||
// ================================================================================
|
||||
/*! human readable convertion */
|
||||
ostream &operator << (ostream &out, const SizeArg &sizeArg);
|
||||
istream &operator >> (istream &in, SizeArg &sizeArg);
|
||||
}
|
||||
|
||||
#endif // _kaz_Attachment_hpp
|
||||
134
src/include/kazDebug.hpp
Normal file
134
src/include/kazDebug.hpp
Normal file
@ -0,0 +1,134 @@
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright KAZ 2021 //
|
||||
// //
|
||||
// contact (at) kaz.bzh //
|
||||
// //
|
||||
// This software is a filter to shrink email by attachment extraction. //
|
||||
// //
|
||||
// This software is governed by the CeCILL-B license under French law and //
|
||||
// abiding by the rules of distribution of free software. You can use, //
|
||||
// modify and/or redistribute the software under the terms of the //
|
||||
// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
|
||||
// URL "http://www.cecill.info". //
|
||||
// //
|
||||
// As a counterpart to the access to the source code and rights to copy, //
|
||||
// modify and redistribute granted by the license, users are provided //
|
||||
// only with a limited warranty and the software's author, the holder of //
|
||||
// the economic rights, and the successive licensors have only limited //
|
||||
// liability. //
|
||||
// //
|
||||
// In this respect, the user's attention is drawn to the risks associated //
|
||||
// with loading, using, modifying and/or developing or reproducing the //
|
||||
// software by the user in light of its specific status of free software, //
|
||||
// that may mean that it is complicated to manipulate, and that also //
|
||||
// therefore means that it is reserved for developers and experienced //
|
||||
// professionals having in-depth computer knowledge. Users are therefore //
|
||||
// encouraged to load and test the software's suitability as regards //
|
||||
// their requirements in conditions enabling the security of their //
|
||||
// systems and/or data to be ensured and, more generally, to use and //
|
||||
// operate it in the same conditions as regards security. //
|
||||
// //
|
||||
// The fact that you are presently reading this means that you have had //
|
||||
// knowledge of the CeCILL-B license and that you accept its terms. //
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifndef _Kaz_Debug_hpp
|
||||
#define _Kaz_Debug_hpp
|
||||
|
||||
#include <iostream>
|
||||
#include <string>
|
||||
|
||||
/*! log error */
|
||||
#define LOG_BUG(cond, action, expr) {if (cond) {std::cerr << endl << expr << std::endl << std::flush; action; }}
|
||||
|
||||
#ifdef ENABLE_SMART_LOG
|
||||
|
||||
#ifndef SMART_DEF_LOG
|
||||
#define SMART_DEF_LOG(name, expr) DEF_LOG (name, expr)
|
||||
#endif
|
||||
|
||||
#ifndef SMART_LOG
|
||||
#define SMART_LOG(expr) LOG (expr)
|
||||
#endif
|
||||
|
||||
#ifndef SMART_LOG_EXPR
|
||||
#define SMART_LOG_EXPR(expr) {if (::kaz::Log::debug) {expr;} }
|
||||
#endif
|
||||
|
||||
#else
|
||||
|
||||
#ifndef SMART_DEF_LOG
|
||||
#define SMART_DEF_LOG(name, expr)
|
||||
#endif
|
||||
|
||||
#ifndef SMART_LOG
|
||||
#define SMART_LOG(expr)
|
||||
#endif
|
||||
|
||||
#ifndef SMART_LOG_EXPR
|
||||
#define SMART_LOG_EXPR(expr)
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef DISABLE_LOG
|
||||
|
||||
#ifndef DEF_LOG
|
||||
#define DEF_LOG(name, expr)
|
||||
#endif
|
||||
#ifndef LOG
|
||||
#define LOG(expr) {}
|
||||
#endif
|
||||
|
||||
#ifndef DEBUG
|
||||
#define DEBUG(expr) {}
|
||||
#endif
|
||||
|
||||
#else
|
||||
|
||||
#ifndef DEF_LOG
|
||||
/*! to placed as the first instruction to log entry and return method */
|
||||
#define DEF_LOG(name, expr) ::kaz::Log log (name); { if (::kaz::Log::debug) std::cerr << expr << std::endl << std::flush; }
|
||||
#endif
|
||||
|
||||
#ifndef LOG
|
||||
/*! to placed in methode where DEF_LOG if call previously */
|
||||
// _______________________________________________________ Don't forget DEF_LOG
|
||||
#define LOG(expr) { if (::kaz::Log::debug) std::cerr << log << "| " << expr << std::endl << std::flush; }
|
||||
#endif
|
||||
|
||||
#ifndef DEBUG
|
||||
/*! log without format */
|
||||
#define DEBUG(expr) { if (::kaz::Log::debug) std::cerr << expr << std::endl << std::flush; }
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
namespace kaz {
|
||||
// ================================================================================
|
||||
using namespace std;
|
||||
|
||||
/*! manage prety print log */
|
||||
class Log {
|
||||
/*! visual indentation of call */
|
||||
static size_t indent;
|
||||
/*! name recall in log */
|
||||
string functName;
|
||||
public:
|
||||
/*! switch on the log */
|
||||
static bool debug;
|
||||
|
||||
/*! log entry of a method */
|
||||
Log (const string &functName);
|
||||
/*! log return of a method */
|
||||
~Log ();
|
||||
|
||||
/*! timestamp of the log */
|
||||
static string getLocalTimeStr ();
|
||||
friend ostream &operator << (ostream &out, const Log &log);
|
||||
};
|
||||
ostream &operator << (ostream &out, const Log &log);
|
||||
|
||||
// ================================================================================
|
||||
} // kaz
|
||||
|
||||
#endif //_Kaz_Debug_hpp
|
||||
141
src/include/kazMisc.hpp
Normal file
141
src/include/kazMisc.hpp
Normal file
@ -0,0 +1,141 @@
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright KAZ 2021 //
|
||||
// //
|
||||
// contact (at) kaz.bzh //
|
||||
// //
|
||||
// This software is a filter to shrink email by attachment extraction. //
|
||||
// //
|
||||
// This software is governed by the CeCILL-B license under French law and //
|
||||
// abiding by the rules of distribution of free software. You can use, //
|
||||
// modify and/or redistribute the software under the terms of the //
|
||||
// CeCILL-B license as circulated by CEA, CNRS and INRIA at the following //
|
||||
// URL "http://www.cecill.info". //
|
||||
// //
|
||||
// As a counterpart to the access to the source code and rights to copy, //
|
||||
// modify and redistribute granted by the license, users are provided //
|
||||
// only with a limited warranty and the software's author, the holder of //
|
||||
// the economic rights, and the successive licensors have only limited //
|
||||
// liability. //
|
||||
// //
|
||||
// In this respect, the user's attention is drawn to the risks associated //
|
||||
// with loading, using, modifying and/or developing or reproducing the //
|
||||
// software by the user in light of its specific status of free software, //
|
||||
// that may mean that it is complicated to manipulate, and that also //
|
||||
// therefore means that it is reserved for developers and experienced //
|
||||
// professionals having in-depth computer knowledge. Users are therefore //
|
||||
// encouraged to load and test the software's suitability as regards //
|
||||
// their requirements in conditions enabling the security of their //
|
||||
// systems and/or data to be ensured and, more generally, to use and //
|
||||
// operate it in the same conditions as regards security. //
|
||||
// //
|
||||
// The fact that you are presently reading this means that you have had //
|
||||
// knowledge of the CeCILL-B license and that you accept its terms. //
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifndef _kaz_misc_hpp
|
||||
#define _kaz_misc_hpp
|
||||
|
||||
#include <string>
|
||||
#include <ctype.h>
|
||||
#include <map>
|
||||
|
||||
namespace kaz {
|
||||
using namespace std;
|
||||
|
||||
// =======================================================================
|
||||
/*! ordered base64 chars */
|
||||
extern const char * const base64Chars;
|
||||
/*! set of chars available in URL */
|
||||
extern const string availableURLChars;
|
||||
|
||||
// =======================================================================
|
||||
/*! get the width of the terminal */
|
||||
uint16_t getCols ();
|
||||
|
||||
/*! display time. */
|
||||
string ns2string (const double &delta);
|
||||
|
||||
// =======================================================================
|
||||
/*! side effect on str to replace "from" by "to" */
|
||||
void replaceAll (string& str, const string &from, const string &to);
|
||||
/*! side effect on str to replace a set of "from" by a set of "to" */
|
||||
void replaceAll (string& str, const map<const string, const string> &subst);
|
||||
|
||||
// =======================================================================
|
||||
/*! side effect to lower case a string (in mime section) */
|
||||
void toLower (string &content);
|
||||
|
||||
/*! compare strings are done in uppercase to avoid accents. Give token in uppercase spin up the process */
|
||||
const string &toUpperIfNeed (const string &src, string &tmp);
|
||||
/*! find upper case of p in upper case of s */
|
||||
string::size_type caseInsensitiveFind (const string& s, const string& p, const string::size_type &pos = 0);
|
||||
/*! reverse find upper case of p in upper case of s */
|
||||
string::size_type caseInsensitiveRFind (const string& s, const string& p, const string::size_type &pos = 0);
|
||||
/*! side effect to repplace =XX by the char with de haxe value XX. It could be %XX in rfc2184 */
|
||||
template<char delim='='>
|
||||
void quotedDecode (string &content);
|
||||
/*! side effect to quoted-printable content rfc2045 */
|
||||
void quotedEncode (string &content);
|
||||
/*! side effect to decode base64 */
|
||||
void base64Decode (string &content);
|
||||
/*! side effect to encode base64 */
|
||||
void base64Encode (string &content);
|
||||
/*! side effect to change charset of content */
|
||||
void iso2utf (string &content);
|
||||
/*! side effect to get the encodedWord according rfc2047 */
|
||||
void encodedWord (string &content);
|
||||
/*! side effect to get the charsetValue according rfc2184 */
|
||||
void charsetValue (string &content);
|
||||
|
||||
// =======================================================================
|
||||
/*! return if the c need no quote */
|
||||
inline bool
|
||||
isQuotedPrintable (const char &c) {
|
||||
return
|
||||
c == ' ' || c == '\t' || (c >= 33 && c <= 126 && c != '=' && c != '.');
|
||||
// '.' is available in rfc2184 but it avoid to check '.' alone in a line :-)
|
||||
}
|
||||
|
||||
/*! return if the c is in available base64 chars */
|
||||
inline bool
|
||||
isBase64 (const char &c) {
|
||||
return (isalnum (c) || (c == '+') || (c == '/'));
|
||||
}
|
||||
|
||||
/*! get the order of c in the base64 set of values */
|
||||
inline unsigned char
|
||||
getBase64Val (const char &c) {
|
||||
if (c == '+')
|
||||
return 62;
|
||||
if (c == '/')
|
||||
return 63;
|
||||
if (c <= '9')
|
||||
return (c-'0')+52;
|
||||
if (c <= 'Z')
|
||||
return (c-'A');
|
||||
return (c-'a')+26;
|
||||
}
|
||||
|
||||
/*! get the nibble value of c representation of an hexa digit */
|
||||
inline unsigned char
|
||||
getHexaVal (const char &c) {
|
||||
if (c <= '9')
|
||||
return c-'0';
|
||||
if (c <= 'F')
|
||||
return (c-'A')+10;
|
||||
return (c-'a')+10;
|
||||
}
|
||||
|
||||
/*! get the nibble value of c representation of an hexa digit */
|
||||
inline void
|
||||
getHexa (const char &c, char &upper, char &lower) {
|
||||
upper = c >> 4 & 0xF;
|
||||
upper += upper > 9 ? ('A'-10) : '0';
|
||||
lower = c & 0xF;
|
||||
lower += lower > 9 ? ('A'-10) : '0';
|
||||
}
|
||||
|
||||
// =======================================================================
|
||||
}
|
||||
|
||||
#endif // _kaz_Attachment_hpp
|
||||
Loading…
x
Reference in New Issue
Block a user