<?php
class Cache_Starred_Images extends Plugin implements IHandler {
+ /* @var PluginHost $host */
private $host;
private $cache_dir;
+ private $max_cache_attempts = 5; // per-article
function about() {
return array(1.0,
true);
}
+ /**
+ * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+ */
function csrf_ignore($method) {
return false;
}
+ /**
+ * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+ */
function before($method) {
return true;
}
if ($hash) {
- $filename = $this->cache_dir . "/" . $hash;
- $is_video = strpos($filename, ".mp4") !== FALSE;
+ $filename = $this->cache_dir . "/" . basename($hash);
if (file_exists($filename)) {
- /* See if we can use X-Sendfile */
- $xsendfile = false;
- if (function_exists('apache_get_modules') &&
- array_search('mod_xsendfile', apache_get_modules()))
- $xsendfile = true;
-
- if ($xsendfile) {
- header("X-Sendfile: $filename");
- header("Content-type: application/octet-stream");
- header('Content-Disposition: attachment; filename="' . basename($filename) . '"');
- } else {
- header("Content-type: " . ($is_video ? "video/mp4" : "image/png"));
- $stamp = gmdate("D, d M Y H:i:s", filemtime($filename)). " GMT";
- header("Last-Modified: $stamp", true);
- readfile($filename);
- }
+ header("Content-Disposition: attachment; filename=\"$hash\"");
+
+ send_local_file($filename);
} else {
header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
echo "File not found.";
}
}
+ /**
+ * @SuppressWarnings(PHPMD.UnusedLocalVariable)
+ */
function hook_house_keeping() {
- $files = glob($this->cache_dir . "/*.{png,mp4}", GLOB_BRACE);
+ $files = glob($this->cache_dir . "/*.{png,mp4,status}", GLOB_BRACE);
$last_article_id = 0;
$article_exists = 1;
if ($article_id != $last_article_id) {
$last_article_id = $article_id;
- $article_id = db_escape_string($article_id);
- $result = db_query("SELECT id FROM ttrss_entries WHERE id = " . $article_id);
+ $sth = $this->pdo->prepare("SELECT id FROM ttrss_entries WHERE id = ?");
+ $sth->execute([$article_id]);
- $article_exists = db_num_rows($result) > 0;
+ $article_exists = $sth->fetch();
}
if (!$article_exists) {
}
}
+ /**
+ * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+ */
function hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes, $article_id) {
$xpath = new DOMXpath($doc);
}
function hook_update_task() {
- $result = db_query("SELECT content, ttrss_user_entries.owner_uid, link, site_url, ttrss_entries.id, plugin_data
+ $res = $this->pdo->query("SELECT content, ttrss_user_entries.owner_uid, link, site_url, ttrss_entries.id, plugin_data
FROM ttrss_entries, ttrss_user_entries LEFT JOIN ttrss_feeds ON
(ttrss_user_entries.feed_id = ttrss_feeds.id)
WHERE ref_id = ttrss_entries.id AND
plugin_data NOT LIKE '%starred_cache_images%'
ORDER BY ".sql_random_function()." LIMIT 100");
- while ($line = db_fetch_assoc($result)) {
+ $usth = $this->pdo->prepare("UPDATE ttrss_entries SET plugin_data = ? WHERE id = ?");
+
+ while ($line = $res->fetch()) {
if ($line["site_url"]) {
$success = $this->cache_article_images($line["content"], $line["site_url"], $line["owner_uid"], $line["id"]);
if ($success) {
- $plugin_data = db_escape_string("starred_cache_images,${line['owner_uid']}:" . $line["plugin_data"]);
+ $plugin_data = "starred_cache_images,${line['owner_uid']}:" . $line["plugin_data"];
- db_query("UPDATE ttrss_entries SET plugin_data = '$plugin_data' WHERE id = " . $line["id"]);
+ $usth->execute([$plugin_data, $line['id']]);
}
}
}
}
+ /**
+ * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+ */
function cache_article_images($content, $site_url, $owner_uid, $article_id) {
libxml_use_internal_errors(true);
+ $status_filename = $this->cache_dir . $article_id . "-" . sha1($site_url) . ".status";
+
+ Debug::log("status: $status_filename", Debug::$LOG_EXTENDED);
+
+ if (file_exists($status_filename))
+ $status = json_decode(file_get_contents($status_filename), true);
+ else
+ $status = [];
+
+ $status["attempt"] += 1;
+
+ // only allow several download attempts for article
+ if ($status["attempt"] > $this->max_cache_attempts) {
+ Debug::log("too many attempts for $site_url", Debug::$LOG_VERBOSE);
+ return;
+ }
+
+ if (!file_put_contents($status_filename, json_encode($status))) {
+ user_error("unable to write status file: $status_filename", E_USER_WARNING);
+ return;
+ }
+
$charset_hack = '<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>';
foreach ($entries as $entry) {
- if ($entry->hasAttribute('src')) {
+ if ($entry->hasAttribute('src') && strpos($entry->getAttribute('src'), "data:") !== 0) {
+
$has_images = true;
$src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
$local_filename = $this->cache_dir . $article_id . "-" . sha1($src) . $extension;
- //_debug("cache_images: downloading: $src to $local_filename");
+ Debug::log("cache_images: downloading: $src to $local_filename", Debug::$LOG_VERBOSE);
if (!file_exists($local_filename)) {
- $file_content = fetch_file_contents($src);
+ $file_content = fetch_file_contents(["url" => $src, "max_size" => MAX_CACHE_FILE_SIZE]);
+
+ if ($file_content) {
+ if (strlen($file_content) > MIN_CACHE_FILE_SIZE) {
+ file_put_contents($local_filename, $file_content);
+ }
- if ($file_content && strlen($file_content) > 0) {
- file_put_contents($local_filename, $file_content);
$success = true;
}
} else {
return 2;
}
}
-?>
git.wh0rd.org / tt-rss.git / blobdiff