Improve on URI detection

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Marvin W 2019-12-25 18:21:17 +01:00
parent 11a118d53d
commit f3af064262
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@ -251,18 +251,21 @@ public static string parse_add_markup(string s_, string? highlight_word, bool pa
bool already_escaped = already_escaped_;
if (parse_links) {
Regex url_regex = /(?i)\b((?:[a-z][\w-]+:(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))/;
string[] allowed_schemes = new string[] {"http", "https", "ftp", "ftps", "irc", "ircs", "xmpp", "mailto", "sms", "smsto", "mms", "tel", "geo", "openpgp4fpr", "im", "news", "nntp", "sip", "ssh", "bitcoin", "sftp", "magnet", "vnc"};
Regex url_regex = /\b((https?|ftps?|ircs?|xmpp|mailto|sms|smsto|mms|tel|geo|openpgp4fpr|im|news|nntp|sip|ssh|bitcoin|sftp|magnet|vnc):(\/\/([^\/?#,;!?)}>"'»”’ ]+)(\/([^# ,.;!?)\]}>"'»]|[,.;!)\]}>"'»”’][^?# ])*)?|([^\/# ,.;!?)\]}>"'»]|[,.;!)\]}>"'»”’][^\/?# ])*)(\?([^# ,.;!?)\]}>"'»]|[,.;!?)\]}>"'»”’][^# ])+)?(#([^ ,.;!?)\]}>"'»]|[,.;!?)\]}>"'»”’][^ ])+)?)/;
MatchInfo match_info;
url_regex.match(s.down(), 0, out match_info);
if (match_info.matches()) {
int start, end;
match_info.fetch_pos(0, out start, out end);
string link = s[start:end];
if (GLib.Uri.parse_scheme(link) in allowed_schemes) {
return parse_add_markup(s[0:start], highlight_word, parse_links, parse_text_markup, already_escaped) +
"<a href=\"" + Markup.escape_text(link) + "\">" + parse_add_markup(link, highlight_word, false, false, already_escaped) + "</a>" +
parse_add_markup(s[end:s.length], highlight_word, parse_links, parse_text_markup, already_escaped);
}
}
}
if (!already_escaped) {
s = Markup.escape_text(s);