diff options
| author | Andrew Dolgov <[email protected]> | 2010-11-10 23:24:00 +0300 |
|---|---|---|
| committer | Andrew Dolgov <[email protected]> | 2010-11-10 23:24:00 +0300 |
| commit | 8cc3c778ade9b9f4f4f382978d6cb3e6feb79fec (patch) | |
| tree | 9e601271d23d47a2cb3d5ff05f98cfb7c3623124 /functions.php | |
| parent | f8fb44989f4b2cfb54f0f161acf2314c9d7b6d72 (diff) | |
add test implementation of automatic rewrite of relative urls based on DOMDocument
Diffstat (limited to 'functions.php')
| -rw-r--r-- | functions.php | 70 |
1 files changed, 64 insertions, 6 deletions
diff --git a/functions.php b/functions.php index 43c2afa25..751acd960 100644 --- a/functions.php +++ b/functions.php @@ -3701,7 +3701,8 @@ } */ - function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false) { + function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) { + $res = $str; if (!$owner) $owner = $_SESSION["uid"]; @@ -3720,11 +3721,39 @@ $res = preg_replace('/<img[^>]+>/is', '', $res); } - if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW', $owner)) { - $res = preg_replace("/href=/i", "target=\"_blank\" href=", $res); + $charset_hack = '<head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> + </head>'; + + libxml_use_internal_errors(true); + + $doc = new DOMDocument(); + $doc->loadHTML($charset_hack . $res); + $xpath = new DOMXPath($doc); + + $entries = $xpath->query('(//a[@href]|//img[@src])'); + + foreach ($entries as $entry) { + + if ($site_url) { + + if ($entry->hasAttribute('href')) + $entry->setAttribute('href', + rewrite_relative_url($site_url, $entry->getAttribute('href'))); + + if ($entry->hasAttribute('src')) + $entry->setAttribute('src', + rewrite_relative_url($site_url, $entry->getAttribute('src'))); + } + + if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW', $owner)) { + $entry->setAttribute("target", "_blank"); + } } + + $node = $doc->getElementsByTagName('body')->item(0)->firstChild; - return $res; + return $doc->saveXML($node); } /** @@ -4755,6 +4784,7 @@ $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id, ".SUBSTRING_FOR_DATE."(updated,1,16) as updated, (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url, + (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url, num_comments, author, orig_feed_id, @@ -4772,6 +4802,8 @@ $feed_icon = " "; } + $feed_site_url = $line['site_url']; + $num_comments = $line["num_comments"]; $entry_comments = ""; @@ -4891,7 +4923,8 @@ print "<div class=\"postContent\">"; - $article_content = sanitize_rss($link, $line["content"]); + $article_content = sanitize_rss($link, $line["content"], false, false, + $feed_site_url); print "<div id=\"POSTNOTE-$id\">"; if ($line['note']) { @@ -5388,7 +5421,8 @@ } } - $article_content = sanitize_rss($link, $line["content_preview"]); + $article_content = sanitize_rss($link, $line["content_preview"], + false, false, $feed_site_url); print "<div id=\"POSTNOTE-$id\">"; if ($line['note']) { @@ -7018,4 +7052,28 @@ return -1; } } + + function build_url($parts) { + return $parts['scheme'] . "://" . $parts['host'] . $parts['path']; + } + + function rewrite_relative_url($url, $rel_url) { + if (strpos($rel_url, "://") !== false) { + return $rel_url; + } else if (strpos($rel_url, "/") === 0) + { + $parts = parse_url($url); + $parts['path'] = $rel_url; + + return build_url($parts); + + } else { + $parts = parse_url($url); + + $parts['path'] = dirname($parts['path']) . "/$rel_url"; + + return build_url($parts); + } + } + ?> |