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Don't allow newlines in URLs, also clean up on http file transfer detection

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Marvin W 2019-12-26 15:39:12 +01:00
parent 7d1497a549
commit 4a3cef89fd
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GPG key ID: 072E9235DB996F2A
2 changed files with 17 additions and 14 deletions
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13
main/src/ui/util/helper.vala
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@ -5,6 +5,8 @@ using Xmpp;
namespace Dino.Ui.Util {
private static Regex url_regex;
private const string[] allowed_schemes = {"http", "https", "ftp", "ftps", "irc", "ircs", "xmpp", "mailto", "sms", "smsto", "mms", "tel", "geo", "openpgp4fpr", "im", "news", "nntp", "sip", "ssh", "bitcoim", "sftp", "magnet", "vnc"};
private const string[] tango_colors_light = {"FCE94F", "FCAF3E", "E9B96E", "8AE234", "729FCF", "AD7FA8", "EF2929"};
private const string[] tango_colors_medium = {"EDD400", "F57900", "C17D11", "73D216", "3465A4", "75507B", "CC0000"};
private const string[] material_colors_800 = {"D32F2F", "C2185B", "7B1FA2", "512DA8", "303F9F", "1976D2", "0288D1", "0097A7", "00796B", "388E3C", "689F38", "AFB42B", "FFA000", "F57C00", "E64A19", "5D4037"};
@ -246,15 +248,20 @@ public static bool is_24h_format() {
return settings_format == "24h" || p_format == " ";
}
public static Regex get_url_regex() {
if (url_regex == null) {
url_regex = /\b((https?|ftps?|ircs?|xmpp|mailto|sms|smsto|mms|tel|geo|openpgp4fpr|im|news|nntp|sip|ssh|bitcoin|sftp|magnet|vnc|urn):(\/\/([^\/?#,;!)}>"'»”’\s]+)(\/([^#\s,.;!?)\]}>"'»”’]|[,.;!)\]}>"'»”’][^?#\s])*)?|([^\/#\s,.;!?)\]}>"'»”’]|[,.;!)\]}>"'»”’][^\/?#\s])*)(\?([^#\s,.;!?)\]}>"'»”’]|[,.;!?)\]}>"'»”’][^#\s])+)?(#([^\s,.;!?)\]}>"'»”’]|[,.;!?)\]}>"'»”’][^\s])+)?)/;
}
return url_regex;
}
public static string parse_add_markup(string s_, string? highlight_word, bool parse_links, bool parse_text_markup, bool already_escaped_ = false) {
string s = s_;
bool already_escaped = already_escaped_;
if (parse_links) {
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);
get_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);

18
plugins/http-files/src/file_provider.vala
View file

@ -10,8 +10,8 @@ public class FileProvider : Dino.FileProvider, Object {
private StreamInteractor stream_interactor;
private Dino.Database dino_db;
private 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`!()\[\]{};:'".,<>?«»“”‘’]))$/;
private Regex omemo_url_regex = /^aesgcm:\/\/(.*)#(([A-Fa-f0-9]{2}){48}|([A-Fa-f0-9]{2}){44})$/;
private static Regex http_url_regex = /^https?:\/\/([^\s#]*)$/; // Spaces are invalid in URLs and we can't use fragments for downloads
private static Regex omemo_url_regex = /^aesgcm:\/\/(.*)#(([A-Fa-f0-9]{2}){48}|([A-Fa-f0-9]{2}){44})$/;
public FileProvider(StreamInteractor stream_interactor, Dino.Database dino_db) {
this.stream_interactor = stream_interactor;
@ -35,15 +35,11 @@ public class FileProvider : Dino.FileProvider, Object {
}
public override async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
if (outer.url_regex.match(message.body)) {
string? oob_url = Xmpp.Xep.OutOfBandData.get_url_from_message(stanza);
bool normal_file = oob_url != null && oob_url == message.body;
bool omemo_file = outer.omemo_url_regex.match(message.body);
if (normal_file || omemo_file) {
yield outer.on_file_message(message, conversation);
}
string? oob_url = Xmpp.Xep.OutOfBandData.get_url_from_message(stanza);
bool normal_file = oob_url != null && oob_url == message.body && FileProvider.http_url_regex.match(message.body);
bool omemo_file = FileProvider.omemo_url_regex.match(message.body);
if (normal_file || omemo_file) {
yield outer.on_file_message(message, conversation);
}
return false;
}