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Add methods to detect suspicious urls and encode domains.

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This commit is contained in:
John Preston 2020-04-23 17:30:57 +04:00
parent 40084cab95
commit 725d768f0f
2 changed files with 40 additions and 0 deletions
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38
ui/basic_click_handlers.cpp
View file

@ -69,6 +69,44 @@ void UrlClickHandler::Open(QString url, QVariant context) {
}
}
bool UrlClickHandler::IsSuspicious(const QString &url) {
static const auto Check1 = QRegularExpression(
"^(https?://)?([^/#\\:]+)([/#\\:]|$)",
QRegularExpression::CaseInsensitiveOption);
const auto match1 = Check1.match(url);
if (!match1.hasMatch()) {
return false;
}
const auto domain = match1.capturedRef(2);
static const auto Check2 = QRegularExpression("^(.*)\\.[a-zA-Z]+$");
const auto match2 = Check2.match(domain);
if (!match2.hasMatch()) {
return false;
}
const auto part = match2.capturedRef(1);
static const auto Check3 = QRegularExpression("[^a-zA-Z0-9\\.\\-]");
return Check3.match(part).hasMatch();
}
QString UrlClickHandler::ShowEncoded(const QString &url) {
if (const auto u = QUrl(url); u.isValid()) {
return QString::fromUtf8(u.toEncoded());
}
static const auto Check1 = QRegularExpression(
"^(https?://)?([^/#\\:]+)([/#\\:]|$)",
QRegularExpression::CaseInsensitiveOption);
if (const auto match1 = Check1.match(url); match1.hasMatch()) {
const auto domain = match1.captured(1).append(match1.capturedRef(2));
if (const auto u = QUrl(domain); u.isValid()) {
return QString(
).append(QString::fromUtf8(u.toEncoded())
).append(url.midRef(match1.capturedEnd(2)));
}
}
return url;
}
auto UrlClickHandler::getTextEntity() const -> TextEntity {
const auto type = isEmail() ? EntityType::Email : EntityType::Url;
return { type, _originalUrl };

2
ui/basic_click_handlers.h
View file

@ -59,6 +59,8 @@ public:
const auto at = url.indexOf('@'), slash = url.indexOf('/');
return ((at > 0) && (slash < 0 || slash > at));
}
[[nodiscard]] static bool IsSuspicious(const QString &url);
[[nodiscard]] static QString ShowEncoded(const QString &url);
protected:
QString url() const override;