mirror of
https://github.com/Chatterino/chatterino2.git
synced 2024-11-21 22:24:07 +01:00
78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
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#include "common/LinkParser.hpp"
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#include "debug/Log.hpp"
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#include <QFile>
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#include <QRegularExpression>
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#include <QString>
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#include <QTextStream>
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#include <mutex>
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namespace chatterino {
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namespace {
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std::once_flag regexInitializedFlag;
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QRegularExpression *linkRegex = nullptr;
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void initializeRegularExpressions()
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{
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std::call_once(regexInitializedFlag, [] {
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QFile tldFile(":/tlds.txt");
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tldFile.open(QFile::ReadOnly);
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QTextStream t1(&tldFile);
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t1.setCodec("UTF-8");
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QString tldData = t1.readAll();
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tldData.replace("\n", "|");
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const QString urlRegExp =
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"^"
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// protocol identifier
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"(?:(?:https?|ftps?)://)?"
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// user:pass authentication
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"(?:\\S+(?::\\S*)?@)?"
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"(?:"
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// IP address dotted notation octets
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// excludes loopback network 0.0.0.0
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// excludes reserved space >= 224.0.0.0
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// excludes network & broacast addresses
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// (first & last IP address of each class)
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"(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])"
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"(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}"
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"(?:\\.(?:[1-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))"
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"|"
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// host name
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"(?:(?:[_a-z\\x{00a1}-\\x{ffff}0-9]-*)*[a-z\\x{00a1}-\\x{ffff}0-9]+)"
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// domain name
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"(?:\\.(?:[a-z\\x{00a1}-\\x{ffff}0-9]-*)*[a-z\\x{00a1}-\\x{ffff}0-9]+)*"
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// TLD identifier
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//"(?:\\.(?:[a-z\\x{00a1}-\\x{ffff}]{2,}))"
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"(?:[\\.](?:" +
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tldData +
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"))"
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"\\.?"
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")"
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// port number
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"(?::\\d{2,5})?"
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// resource path
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"(?:[/?#]\\S*)?"
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"$";
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linkRegex = new QRegularExpression(urlRegExp, QRegularExpression::CaseInsensitiveOption);
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Log("fully initialized");
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});
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Log("call_once returned");
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}
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} // namespace
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LinkParser::LinkParser(const QString &unparsedString)
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{
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initializeRegularExpressions();
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this->match_ = linkRegex->match(unparsedString);
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}
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} // namespace chatterino
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