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enable caching of media in article enclosures

This commit is contained in:
Andrew Dolgov 2017-03-23 15:19:25 +03:00
parent 9c3c0ace6b
commit 388d4dfa88
2 changed files with 33 additions and 1 deletions
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5
include/functions2.php
View File

@ -1816,6 +1816,11 @@
if (db_num_rows($result) > 0) {
while ($line = db_fetch_assoc($result)) {
if (file_exists(CACHE_DIR . '/images/' . sha1($line["content_url"]))) {
$line["content_url"] = get_self_url_prefix() . '/public.php?op=cached_url&hash=' . sha1($line["content_url"]);
}
array_push($rv, $line);
}
}

29
include/rssfuncs.php
View File

@ -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) {