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fix bug tolowercase in base64 headers

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This commit is contained in:
François 2024-04-06 16:43:01 +02:00
parent 511e14785b
commit 331db8370d
2 changed files with 27 additions and 15 deletions
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32
src/cpp/Attachment.cpp
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@ -296,23 +296,35 @@ Attachment::Attachment (ifstream &mbox, const int &level, const streamoff beginI
}
// ================================================================================
/*! lower case "var in string " VAR=val; ..." */
inline string
cleanString (string line) {
static const regex findVarVal ("(\\s*[a-zA-Z_*-]+=)((\"(\\\\.|[^\\\\])*\")|[^; \t]*;?)");
string result;
smatch m;
DEF_LOG ("Attachment::cleanString", "line: " << line.substr (0, 100) << "...");
while (regex_search (line, m, findVarVal)) {
result += m.prefix ();
string id (m[1]);
static const regex findPart ("(((\"(\\\\.|[^\\\\])*\")|\\s|[^;\\\"])+;?)");
static const regex findVarVal ("(\\s*[a-zA-Z_*-]+=)(.*;?)");
string result;
smatch m1, m2;
while (regex_search (line, m1, findPart)) {
if (m1.prefix ().length ())
result += m1.prefix (); // XXX when \" on multi-lines
string part (m1[1]);
LOG ("part: " << part);
if (regex_search (part, m2, findVarVal) && !m2.prefix ().length ()) {
string id (m2[1]);
LOG ("id: " << id);
toLower (id);
result += id;
result += m[2];
line = m.suffix ();
result += m2[2];
} else
result += part;
line = m1.suffix ();
}
if (!line.empty () && line[line.size() - 1] == '\r')
line = line.substr (0, line.size () - 1);
result += line;
LOG ("result: " << result);
return result;
}
@ -333,7 +345,7 @@ Attachment::readMime (ifstream &mbox, streamoff &curPos) {
} else {
LOG ("add line to var: " << line);
env.find (lastVar)->second += cleanString (line);
LOG ("new val: <" << lastVar << " <=> " << env.find (lastVar)->second << ">");
LOG ("new val(a): <" << lastVar << " <=> " << env.find (lastVar)->second << ">");
}
continue;
}
@ -346,7 +358,7 @@ Attachment::readMime (ifstream &mbox, streamoff &curPos) {
if (line.length () >= colonPos && line [colonPos] == ' ')
++colonPos;
string val (cleanString (line.length () >= colonPos ? line.substr (colonPos) : ""));
LOG ("new var: <" << lastVar << " <=> " << val << ">");
LOG ("new var(b): <" << lastVar << " <=> " << val << ">");
env [lastVar] = val;
}
}