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https://github.com/FreshRSS/FreshRSS.git
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e3e5954394
* PDO refactor * Automatic prefix when using the syntax `_tableName` * Uniformity: MySQL is now PDO::ATTR_EMULATE_PREPARES = false just like SQLite and PostgreSQL, with consequences such as only one statement per query * Use PDO methods exec(), query(), prepare() + execute() in a more efficient way * Remove auto-update SQL code for versions older than FreshRSS 1.5 (3 years old) * The name of the default category is set in PHP instead of in the DB (simplies SQL and allows changing the name according to the FreshRSS language) * Rename `->bd` to `->pdo` (less of a frenshism, and more informative) * Fix some requests, which were not compatible with MySQL prepared statements * Whitespace * Fix syntax for PostgreSQL sequences + MySQL install * Minor formatting * Fix lastInsertId for PostgreSQL * Use PHP 5.6+ const Take advantage of https://github.com/FreshRSS/FreshRSS/pull/2527 https://www.php.net/manual/en/migration56.new-features.php * A bit of forgotten PHP 5.6 simplification for cURL * Forgotten $s * Mini fix custom user config https://github.com/FreshRSS/FreshRSS/pull/2490/files#r326290346 * More work on install.php but not finished * install.php working * More cleaning of PDO in install * Even more simplification Take advantage of PDO->exec() to run multiple statements * Disallow changing the name of the default category https://github.com/FreshRSS/FreshRSS/pull/2522#discussion_r326967724
109 lines
3.1 KiB
PHP
109 lines
3.1 KiB
PHP
<?php
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const FAVICONS_DIR = DATA_PATH . '/favicons/';
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const DEFAULT_FAVICON = PUBLIC_PATH . '/themes/icons/default_favicon.ico';
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function isImgMime($content) {
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//Based on https://github.com/ArthurHoaro/favicon/blob/3a4f93da9bb24915b21771eb7873a21bde26f5d1/src/Favicon/Favicon.php#L311-L319
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if ($content == '') {
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return false;
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}
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if (!extension_loaded('fileinfo')) {
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return true;
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}
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$isImage = true;
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try {
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$fInfo = finfo_open(FILEINFO_MIME_TYPE);
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$isImage = strpos(finfo_buffer($fInfo, $content), 'image') !== false;
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finfo_close($fInfo);
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} catch (Exception $e) {
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echo 'Caught exception: ', $e->getMessage(), "\n";
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}
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return $isImage;
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}
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function downloadHttp(&$url, $curlOptions = array()) {
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prepareSyslog();
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syslog(LOG_INFO, 'FreshRSS Favicon GET ' . $url);
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if (substr($url, 0, 2) === '//') {
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$url = 'https:' . $url;
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}
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if ($url == '' || filter_var($url, FILTER_VALIDATE_URL) === false) {
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return '';
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}
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$ch = curl_init($url);
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curl_setopt_array($ch, [
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_TIMEOUT => 15,
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CURLOPT_USERAGENT => FRESHRSS_USERAGENT,
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CURLOPT_MAXREDIRS => 10,
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CURLOPT_FOLLOWLOCATION => true,
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CURLOPT_ENCODING => '', //Enable all encodings
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]);
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curl_setopt_array($ch, $curlOptions);
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$response = curl_exec($ch);
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$info = curl_getinfo($ch);
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curl_close($ch);
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if (!empty($info['url']) && (filter_var($info['url'], FILTER_VALIDATE_URL) !== false)) {
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$url = $info['url']; //Possible redirect
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}
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return $info['http_code'] == 200 ? $response : '';
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}
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function searchFavicon(&$url) {
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$dom = new DOMDocument();
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$html = downloadHttp($url);
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if ($html != '' && @$dom->loadHTML($html, LIBXML_NONET | LIBXML_NOERROR | LIBXML_NOWARNING)) {
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$rels = array('shortcut icon', 'icon');
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$links = $dom->getElementsByTagName('link');
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foreach ($rels as $rel) {
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foreach ($links as $link) {
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if ($link->hasAttribute('rel') && $link->hasAttribute('href') &&
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strtolower(trim($link->getAttribute('rel'))) === $rel) {
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$href = trim($link->getAttribute('href'));
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if (substr($href, 0, 2) === '//') {
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// Case of protocol-relative URLs
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if (preg_match('%^(https?:)//%i', $url, $matches)) {
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$href = $matches[1] . $href;
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} else {
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$href = 'https:' . $href;
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}
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}
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if (filter_var($href, FILTER_VALIDATE_URL) === false) {
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$href = SimplePie_IRI::absolutize($url, $href);
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}
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$favicon = downloadHttp($href, array(
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CURLOPT_REFERER => $url,
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));
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if (isImgMime($favicon)) {
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return $favicon;
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}
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}
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}
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}
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}
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return '';
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}
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function download_favicon($url, $dest) {
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$url = trim($url);
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$favicon = searchFavicon($url);
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if ($favicon == '') {
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$rootUrl = preg_replace('%^(https?://[^/]+).*$%i', '$1/', $url);
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if ($rootUrl != $url) {
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$url = $rootUrl;
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$favicon = searchFavicon($url);
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}
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if ($favicon == '') {
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$link = $rootUrl . 'favicon.ico';
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$favicon = downloadHttp($link, array(
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CURLOPT_REFERER => $url,
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));
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if (!isImgMime($favicon)) {
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$favicon = '';
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}
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}
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}
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return ($favicon != '' && file_put_contents($dest, $favicon)) ||
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@copy(DEFAULT_FAVICON, $dest);
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}
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