mirror of https://tt-rss.org/git/tt-rss.git
merge better favicon handling from wordpress plugin (closes #107)
This commit is contained in:
Andrew Dolgov
parent
0ac2faea3f
commit
4065b60b41
167
functions.php
167
functions.php
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@ -205,63 +205,132 @@
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}
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function check_feed_favicon($feed_url, $feed, $link) {
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$feed_url = str_replace("http://", "", $feed_url);
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$feed_url = preg_replace("/\/.*$/", "", $feed_url);
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$icon_url = "http://$feed_url/favicon.ico";
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$icon_file = ICONS_DIR . "/$feed.ico";
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function fetch_file_contents($url) {
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if (USE_CURL_FOR_ICONS) {
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$tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
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if (!file_exists($icon_file)) {
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$ch = curl_init($url);
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$fp = fopen($tmpfile, "w");
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if (USE_CURL_FOR_ICONS) {
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error_reporting(0);
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if ($fp) {
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curl_setopt($ch, CURLOPT_FILE, $fp);
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curl_exec($ch);
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curl_close($ch);
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fclose($fp);
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}
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$ch = curl_init($icon_url);
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$fp = fopen($icon_file, "w");
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$contents = file_get_contents($tmpfile);
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unlink($tmpfile);
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if ($fp) {
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curl_setopt($ch, CURLOPT_FILE, $fp);
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curl_setopt($ch, CURLOPT_FILE, $fp);
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return $contents;
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curl_exec($ch);
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curl_close($ch);
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fclose($fp);
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} else {
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return file_get_contents($url);
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}
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}
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// adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
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// http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
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function get_favicon_url($url) {
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if ($html = @fetch_file_contents($url)) {
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if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
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// Attempt to grab a favicon link from their webpage url
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$linkUrl = html_entity_decode($matches[1]);
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if (substr($linkUrl, 0, 1) == '/') {
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$urlParts = parse_url($url);
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$faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
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} else if (substr($linkUrl, 0, 7) == 'http://') {
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$faviconURL = $linkUrl;
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} else if (substr($url, -1, 1) == '/') {
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$faviconURL = $url.$linkUrl;
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} else {
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$faviconURL = $url.'/'.$linkUrl;
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}
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error_reporting (DEFAULT_ERROR_LEVEL);
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} else {
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error_reporting(0);
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$r = fopen($icon_url, "r");
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error_reporting (DEFAULT_ERROR_LEVEL);
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if ($r) {
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$tmpfname = tempnam(TMP_DIRECTORY, "ttrssicon");
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$t = fopen($tmpfname, "w");
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while (!feof($r)) {
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$buf = fread($r, 16384);
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fwrite($t, $buf);
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}
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fclose($r);
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fclose($t);
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error_reporting(0);
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if (!rename($tmpfname, $icon_file)) {
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unlink($tmpfname);
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}
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chmod($icon_file, 0644);
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error_reporting (DEFAULT_ERROR_LEVEL);
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}
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}
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// If unsuccessful, attempt to "guess" the favicon location
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$urlParts = parse_url($url);
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$faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
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}
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}
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// Run a test to see if what we have attempted to get actually exists.
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if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
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return $faviconURL;
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} else {
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return false;
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}
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}
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function url_validate($link) {
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$url_parts = @parse_url($link);
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if ( empty( $url_parts["host"] ) )
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return false;
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if ( !empty( $url_parts["path"] ) ) {
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$documentpath = $url_parts["path"];
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} else {
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$documentpath = "/";
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}
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if ( !empty( $url_parts["query"] ) )
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$documentpath .= "?" . $url_parts["query"];
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$host = $url_parts["host"];
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$port = $url_parts["port"];
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if ( empty($port) )
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$port = "80";
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$socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
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if ( !$socket )
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return false;
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fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
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$http_response = fgets( $socket, 22 );
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$responses = "/(200 OK)|(30[0-9] Moved)/";
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if ( preg_match($responses, $http_response) ) {
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fclose($socket);
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return true;
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} else {
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return false;
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}
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}
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function check_feed_favicon($site_url, $feed, $link) {
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$favicon_url = get_favicon_url($site_url);
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# print "FAVICON [$site_url]: $favicon_url\n";
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error_reporting(0);
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$icon_file = ICONS_DIR . "/$feed.ico";
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if ($favicon_url && !file_exists($icon_file)) {
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$contents = fetch_file_contents($favicon_url);
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$fp = fopen($icon_file, "w");
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if ($fp) {
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fwrite($fp, $contents);
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fclose($fp);
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chmod($icon_file, 0644);
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}
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}
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error_reporting(DEFAULT_ERROR_LEVEL);
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}
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function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
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@ -334,7 +403,7 @@
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$owner_uid = db_fetch_result($result, 0, "owner_uid");
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if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
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check_feed_favicon($feed_url, $feed, $link);
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check_feed_favicon($rss->channel["link"], $feed, $link);
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}
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if (!$registered_title || $registered_title == "[Unknown]") {
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