diff options
author | Andrew Dolgov <[email protected]> | 2017-03-23 15:19:25 +0300 |
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committer | Andrew Dolgov <[email protected]> | 2017-03-23 15:19:25 +0300 |
commit | 388d4dfa88e843237ebe57e9a0376d0cd58c0f51 (patch) | |
tree | 1a2be54903bb2e40431a9e4972b1dcf0957d5891 /include/rssfuncs.php | |
parent | 9c3c0ace6b149b0e1ed248d6f5b89a469a2971ee (diff) |
enable caching of media in article enclosures
Diffstat (limited to 'include/rssfuncs.php')
-rw-r--r-- | include/rssfuncs.php | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/include/rssfuncs.php b/include/rssfuncs.php index 997ea4594..c03e6681e 100644 --- a/include/rssfuncs.php +++ b/include/rssfuncs.php @@ -1083,6 +1083,9 @@ } } + if ($cache_images && is_writable(CACHE_DIR . '/images')) + cache_enclosures($enclosures, $site_url, $debug_enabled); + if ($debug_enabled) { _debug("article enclosures:", $debug_enabled); print_r($enclosures); @@ -1227,6 +1230,30 @@ return $rss; } + function cache_enclosures($enclosures, $site_url, $debug) { + foreach ($enclosures as $enc) { + + if (preg_match("/(image|audio|video)/", $enc[1])) { + + $src = rewrite_relative_url($site_url, $enc[0]); + + $local_filename = CACHE_DIR . "/images/" . sha1($src); + + if ($debug) _debug("cache_enclosures: downloading: $src to $local_filename"); + + if (!file_exists($local_filename)) { + $file_content = fetch_file_contents($src); + + if ($file_content && strlen($file_content) > _MIN_CACHE_FILE_SIZE) { + file_put_contents($local_filename, $file_content); + } + } else { + touch($local_filename); + } + } + } + } + function cache_media($html, $site_url, $debug) { libxml_use_internal_errors(true); @@ -1238,7 +1265,7 @@ $doc->loadHTML($charset_hack . $html); $xpath = new DOMXPath($doc); - $entries = $xpath->query('(//img[@src])|(//video/source[@src])'); + $entries = $xpath->query('(//img[@src])|(//video/source[@src])|(//audio/source[@src])'); foreach ($entries as $entry) { if ($entry->hasAttribute('src') && strpos($entry->getAttribute('src'), "data:") !== 0) { |