diff options
author | Andrew Dolgov <[email protected]> | 2023-10-25 12:55:09 +0300 |
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committer | Andrew Dolgov <[email protected]> | 2023-10-25 12:55:09 +0300 |
commit | 865ecc87963dc3b26e66296616eef2a1cc41ac3f (patch) | |
tree | bf2ecd8a391103bdb2c8b70cd33c47467310754b /classes/diskcache.php | |
parent | 0a5507d3bd79d04c860455664f919bf8e7274fda (diff) |
move to psr-4 autoloader
Diffstat (limited to 'classes/diskcache.php')
-rw-r--r-- | classes/diskcache.php | 492 |
1 files changed, 0 insertions, 492 deletions
diff --git a/classes/diskcache.php b/classes/diskcache.php deleted file mode 100644 index 290fbd9c3..000000000 --- a/classes/diskcache.php +++ /dev/null @@ -1,492 +0,0 @@ -<?php -class DiskCache implements Cache_Adapter { - /** @var Cache_Adapter $adapter */ - private $adapter; - - /** @var array<string, DiskCache> $instances */ - private static $instances = []; - - /** - * https://stackoverflow.com/a/53662733 - * - * @var array<string, string> - */ - private array $mimeMap = [ - 'video/3gpp2' => '3g2', - 'video/3gp' => '3gp', - 'video/3gpp' => '3gp', - 'application/x-compressed' => '7zip', - 'audio/x-acc' => 'aac', - 'audio/ac3' => 'ac3', - 'application/postscript' => 'ai', - 'audio/x-aiff' => 'aif', - 'audio/aiff' => 'aif', - 'audio/x-au' => 'au', - 'video/x-msvideo' => 'avi', - 'video/msvideo' => 'avi', - 'video/avi' => 'avi', - 'application/x-troff-msvideo' => 'avi', - 'application/macbinary' => 'bin', - 'application/mac-binary' => 'bin', - 'application/x-binary' => 'bin', - 'application/x-macbinary' => 'bin', - 'image/bmp' => 'bmp', - 'image/x-bmp' => 'bmp', - 'image/x-bitmap' => 'bmp', - 'image/x-xbitmap' => 'bmp', - 'image/x-win-bitmap' => 'bmp', - 'image/x-windows-bmp' => 'bmp', - 'image/ms-bmp' => 'bmp', - 'image/x-ms-bmp' => 'bmp', - 'application/bmp' => 'bmp', - 'application/x-bmp' => 'bmp', - 'application/x-win-bitmap' => 'bmp', - 'application/cdr' => 'cdr', - 'application/coreldraw' => 'cdr', - 'application/x-cdr' => 'cdr', - 'application/x-coreldraw' => 'cdr', - 'image/cdr' => 'cdr', - 'image/x-cdr' => 'cdr', - 'zz-application/zz-winassoc-cdr' => 'cdr', - 'application/mac-compactpro' => 'cpt', - 'application/pkix-crl' => 'crl', - 'application/pkcs-crl' => 'crl', - 'application/x-x509-ca-cert' => 'crt', - 'application/pkix-cert' => 'crt', - 'text/css' => 'css', - 'text/x-comma-separated-values' => 'csv', - 'text/comma-separated-values' => 'csv', - 'application/vnd.msexcel' => 'csv', - 'application/x-director' => 'dcr', - 'application/vnd.openxmlformats-officedocument.wordprocessingml.document' => 'docx', - 'application/x-dvi' => 'dvi', - 'message/rfc822' => 'eml', - 'application/x-msdownload' => 'exe', - 'video/x-f4v' => 'f4v', - 'audio/x-flac' => 'flac', - 'video/x-flv' => 'flv', - 'image/gif' => 'gif', - 'application/gpg-keys' => 'gpg', - 'application/x-gtar' => 'gtar', - 'application/x-gzip' => 'gzip', - 'application/mac-binhex40' => 'hqx', - 'application/mac-binhex' => 'hqx', - 'application/x-binhex40' => 'hqx', - 'application/x-mac-binhex40' => 'hqx', - 'text/html' => 'html', - 'image/x-icon' => 'ico', - 'image/x-ico' => 'ico', - 'image/vnd.microsoft.icon' => 'ico', - 'text/calendar' => 'ics', - 'application/java-archive' => 'jar', - 'application/x-java-application' => 'jar', - 'application/x-jar' => 'jar', - 'image/jp2' => 'jp2', - 'video/mj2' => 'jp2', - 'image/jpx' => 'jp2', - 'image/jpm' => 'jp2', - 'image/jpeg' => 'jpg', - 'image/pjpeg' => 'jpg', - 'application/x-javascript' => 'js', - 'application/json' => 'json', - 'text/json' => 'json', - 'application/vnd.google-earth.kml+xml' => 'kml', - 'application/vnd.google-earth.kmz' => 'kmz', - 'text/x-log' => 'log', - 'audio/x-m4a' => 'm4a', - 'audio/mp4' => 'm4a', - 'application/vnd.mpegurl' => 'm4u', - 'audio/midi' => 'mid', - 'application/vnd.mif' => 'mif', - 'video/quicktime' => 'mov', - 'video/x-sgi-movie' => 'movie', - 'audio/mpeg' => 'mp3', - 'audio/mpg' => 'mp3', - 'audio/mpeg3' => 'mp3', - 'audio/mp3' => 'mp3', - 'video/mp4' => 'mp4', - 'video/mpeg' => 'mpeg', - 'application/oda' => 'oda', - 'audio/ogg' => 'ogg', - 'video/ogg' => 'ogg', - 'application/ogg' => 'ogg', - 'font/otf' => 'otf', - 'application/x-pkcs10' => 'p10', - 'application/pkcs10' => 'p10', - 'application/x-pkcs12' => 'p12', - 'application/x-pkcs7-signature' => 'p7a', - 'application/pkcs7-mime' => 'p7c', - 'application/x-pkcs7-mime' => 'p7c', - 'application/x-pkcs7-certreqresp' => 'p7r', - 'application/pkcs7-signature' => 'p7s', - 'application/pdf' => 'pdf', - 'application/octet-stream' => 'pdf', - 'application/x-x509-user-cert' => 'pem', - 'application/x-pem-file' => 'pem', - 'application/pgp' => 'pgp', - 'application/x-httpd-php' => 'php', - 'application/php' => 'php', - 'application/x-php' => 'php', - 'text/php' => 'php', - 'text/x-php' => 'php', - 'application/x-httpd-php-source' => 'php', - 'image/png' => 'png', - 'image/x-png' => 'png', - 'application/powerpoint' => 'ppt', - 'application/vnd.ms-powerpoint' => 'ppt', - 'application/vnd.ms-office' => 'ppt', - 'application/msword' => 'ppt', - 'application/vnd.openxmlformats-officedocument.presentationml.presentation' => 'pptx', - 'application/x-photoshop' => 'psd', - 'image/vnd.adobe.photoshop' => 'psd', - 'audio/x-realaudio' => 'ra', - 'audio/x-pn-realaudio' => 'ram', - 'application/x-rar' => 'rar', - 'application/rar' => 'rar', - 'application/x-rar-compressed' => 'rar', - 'audio/x-pn-realaudio-plugin' => 'rpm', - 'application/x-pkcs7' => 'rsa', - 'text/rtf' => 'rtf', - 'text/richtext' => 'rtx', - 'video/vnd.rn-realvideo' => 'rv', - 'application/x-stuffit' => 'sit', - 'application/smil' => 'smil', - 'text/srt' => 'srt', - 'image/svg+xml' => 'svg', - 'application/x-shockwave-flash' => 'swf', - 'application/x-tar' => 'tar', - 'application/x-gzip-compressed' => 'tgz', - 'image/tiff' => 'tiff', - 'font/ttf' => 'ttf', - 'text/plain' => 'txt', - 'text/x-vcard' => 'vcf', - 'application/videolan' => 'vlc', - 'text/vtt' => 'vtt', - 'audio/x-wav' => 'wav', - 'audio/wave' => 'wav', - 'audio/wav' => 'wav', - 'application/wbxml' => 'wbxml', - 'video/webm' => 'webm', - 'image/webp' => 'webp', - 'audio/x-ms-wma' => 'wma', - 'application/wmlc' => 'wmlc', - 'video/x-ms-wmv' => 'wmv', - 'video/x-ms-asf' => 'wmv', - 'font/woff' => 'woff', - 'font/woff2' => 'woff2', - 'application/xhtml+xml' => 'xhtml', - 'application/excel' => 'xl', - 'application/msexcel' => 'xls', - 'application/x-msexcel' => 'xls', - 'application/x-ms-excel' => 'xls', - 'application/x-excel' => 'xls', - 'application/x-dos_ms_excel' => 'xls', - 'application/xls' => 'xls', - 'application/x-xls' => 'xls', - 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' => 'xlsx', - 'application/vnd.ms-excel' => 'xlsx', - 'application/xml' => 'xml', - 'text/xml' => 'xml', - 'text/xsl' => 'xsl', - 'application/xspf+xml' => 'xspf', - 'application/x-compress' => 'z', - 'application/x-zip' => 'zip', - 'application/zip' => 'zip', - 'application/x-zip-compressed' => 'zip', - 'application/s-compressed' => 'zip', - 'multipart/x-zip' => 'zip', - 'text/x-scriptzsh' => 'zsh' - ]; - - public static function instance(string $dir) : DiskCache { - if ((self::$instances[$dir] ?? null) == null) - self::$instances[$dir] = new self($dir); - - return self::$instances[$dir]; - } - - public function __construct(string $dir) { - foreach (PluginHost::getInstance()->get_plugins() as $n => $p) { - if (implements_interface($p, "Cache_Adapter")) { - - /** @var Cache_Adapter $p */ - $this->adapter = clone $p; // we need separate object instances for separate directories - $this->adapter->set_dir($dir); - return; - } - } - - $this->adapter = new Cache_Local(); - $this->adapter->set_dir($dir); - } - - public function remove(string $filename): bool { - $span = Tracer::start(__METHOD__); - $span->setAttribute('file.name', $filename); - - $rc = $this->adapter->remove($filename); - $span->end(); - - return $rc; - } - - public function set_dir(string $dir) : void { - $this->adapter->set_dir($dir); - } - - /** - * @return int|false -1 if the file doesn't exist, false if an error occurred, timestamp otherwise - */ - public function get_mtime(string $filename) { - return $this->adapter->get_mtime(basename($filename)); - } - - public function make_dir(): bool { - return $this->adapter->make_dir(); - } - - /** @param string|null $filename null means check that cache directory itself is writable */ - public function is_writable(?string $filename = null): bool { - return $this->adapter->is_writable($filename ? basename($filename) : null); - } - - public function exists(string $filename): bool { - $span = OpenTelemetry\API\Trace\Span::getCurrent(); - $span->addEvent("DiskCache::exists: $filename"); - - $rc = $this->adapter->exists(basename($filename)); - - return $rc; - } - - /** - * @return int|false -1 if the file doesn't exist, false if an error occurred, size in bytes otherwise - */ - public function get_size(string $filename) { - $span = Tracer::start(__METHOD__); - $span->setAttribute('file.name', $filename); - - $rc = $this->adapter->get_size(basename($filename)); - $span->end(); - - return $rc; - } - - /** - * @param mixed $data - * - * @return int|false Bytes written or false if an error occurred. - */ - public function put(string $filename, $data) { - $span = Tracer::start(__METHOD__); - $rc = $this->adapter->put(basename($filename), $data); - $span->end(); - - return $rc; - } - - /** @deprecated we can't assume cached files are local, and other storages - * might not support this operation (object metadata may be immutable) */ - public function touch(string $filename): bool { - user_error("DiskCache: called unsupported method touch() for $filename", E_USER_DEPRECATED); - - return false; - } - - public function get(string $filename): ?string { - return $this->adapter->get(basename($filename)); - } - - public function expire_all(): void { - $this->adapter->expire_all(); - } - - public function get_dir(): string { - return $this->adapter->get_dir(); - } - - /** Downloads $url to cache as $local_filename if its missing (unless $force-ed) - * @param string $url - * @param string $local_filename - * @param array<string,string|int|false> $options (additional params to UrlHelper::fetch()) - * @param bool $force - * @return bool - */ - public function download(string $url, string $local_filename, array $options = [], bool $force = false) : bool { - if ($this->exists($local_filename) && !$force) - return true; - - $data = UrlHelper::fetch(array_merge(["url" => $url, - "max_size" => Config::get(Config::MAX_CACHE_FILE_SIZE)], $options)); - - if ($data) - return $this->put($local_filename, $data) > 0; - - return false; - } - - public function send(string $filename) { - $span = Tracer::start(__METHOD__); - $span->setAttribute('file.name', $filename); - - $filename = basename($filename); - - if (!$this->exists($filename)) { - header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found"); - echo "File not found."; - - $span->setAttribute('error', '404 not found'); - $span->end(); - return false; - } - - $file_mtime = $this->get_mtime($filename); - $gmt_modified = gmdate("D, d M Y H:i:s", (int)$file_mtime) . " GMT"; - - if (($_SERVER['HTTP_IF_MODIFIED_SINCE'] ?? '') == $gmt_modified || ($_SERVER['HTTP_IF_NONE_MATCH'] ?? '') == $file_mtime) { - header('HTTP/1.1 304 Not Modified'); - - $span->setAttribute('error', '304 not modified'); - $span->end(); - return false; - } - - $mimetype = $this->get_mime_type($filename); - - if ($mimetype == "application/octet-stream") - $mimetype = "video/mp4"; - - # block SVG because of possible embedded javascript (.....) - $mimetype_blacklist = [ "image/svg+xml" ]; - - /* only serve video and images */ - if (!preg_match("/(image|audio|video)\//", (string)$mimetype) || in_array($mimetype, $mimetype_blacklist)) { - http_response_code(400); - header("Content-type: text/plain"); - - print "Stored file has disallowed content type ($mimetype)"; - - $span->setAttribute('error', '400 disallowed content type'); - $span->end(); - return false; - } - - $fake_extension = $this->get_fake_extension($filename); - - if ($fake_extension) - $fake_extension = ".$fake_extension"; - - header("Content-Disposition: inline; filename=\"{$filename}{$fake_extension}\""); - header("Content-type: $mimetype"); - - $stamp_expires = gmdate("D, d M Y H:i:s", - (int)$this->get_mtime($filename) + 86400 * Config::get(Config::CACHE_MAX_DAYS)) . " GMT"; - - header("Expires: $stamp_expires", true); - header("Last-Modified: $gmt_modified", true); - header("Cache-Control: no-cache"); - header("ETag: $file_mtime"); - - header_remove("Pragma"); - - $span->setAttribute('mimetype', $mimetype); - - $rc = $this->adapter->send($filename); - - $span->end(); - - return $rc; - } - - public function get_full_path(string $filename): string { - return $this->adapter->get_full_path(basename($filename)); - } - - public function get_mime_type(string $filename) { - return $this->adapter->get_mime_type(basename($filename)); - } - - public function get_fake_extension(string $filename): string { - $mimetype = $this->adapter->get_mime_type(basename($filename)); - - if ($mimetype) - return isset($this->mimeMap[$mimetype]) ? $this->mimeMap[$mimetype] : ""; - else - return ""; - } - - public function get_url(string $filename): string { - return Config::get_self_url() . "/public.php?op=cached&file=" . basename($this->adapter->get_dir()) . "/" . basename($filename); - } - - // check for locally cached (media) URLs and rewrite to local versions - // this is called separately after sanitize() and plugin render article hooks to allow - // plugins work on original source URLs used before caching - // NOTE: URLs should be already absolutized because this is called after sanitize() - static public function rewrite_urls(string $str): string { - $span = OpenTelemetry\API\Trace\Span::getCurrent(); - $span->addEvent("DiskCache::rewrite_urls"); - - $res = trim($str); - - if (!$res) { - $span->end(); - return ''; - } - - $doc = new DOMDocument(); - if (@$doc->loadHTML('<?xml encoding="UTF-8">' . $res)) { - $xpath = new DOMXPath($doc); - $cache = DiskCache::instance("images"); - - $entries = $xpath->query('(//img[@src]|//source[@src|@srcset]|//video[@poster|@src])'); - - $need_saving = false; - - foreach ($entries as $entry) { - $span->addEvent("entry: " . $entry->tagName); - - foreach (array('src', 'poster') as $attr) { - if ($entry->hasAttribute($attr)) { - $url = $entry->getAttribute($attr); - $cached_filename = sha1($url); - - if ($cache->exists($cached_filename)) { - $url = $cache->get_url($cached_filename); - - $entry->setAttribute($attr, $url); - $entry->removeAttribute("srcset"); - - $need_saving = true; - } - } - } - - if ($entry->hasAttribute("srcset")) { - $matches = RSSUtils::decode_srcset($entry->getAttribute('srcset')); - - for ($i = 0; $i < count($matches); $i++) { - $cached_filename = sha1($matches[$i]["url"]); - - if ($cache->exists($cached_filename)) { - $matches[$i]["url"] = $cache->get_url($cached_filename); - - $need_saving = true; - } - } - - $entry->setAttribute("srcset", RSSUtils::encode_srcset($matches)); - } - } - - if ($need_saving) { - if (isset($doc->firstChild)) - $doc->removeChild($doc->firstChild); //remove doctype - - $res = $doc->saveHTML(); - } - } - - return $res; - } -} |