forked from blallo/rss-bridge
d83f2f285b
[html] Generate index and bridge cards using separate clases Move HTML generating code from 'index.php' to 'Index.php', separating components into static functions. Move HTML generation code for bridge cards from 'html.php' to 'BridgeCard.php', separating components into static functions.
193 lines
5.8 KiB
PHP
193 lines
5.8 KiB
PHP
<?php
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require_once __DIR__ . '/lib/RssBridge.php';
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define('PHP_VERSION_REQUIRED', '5.6.0');
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// Specify directory for cached files (using FileCache)
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define('CACHE_DIR', __DIR__ . '/cache');
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// Specify path for whitelist file
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define('WHITELIST_FILE', __DIR__ . '/whitelist.txt');
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Configuration::verifyInstallation();
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Configuration::loadConfiguration();
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Authentication::showPromptIfNeeded();
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date_default_timezone_set('UTC');
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error_reporting(0);
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/*
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Move the CLI arguments to the $_GET array, in order to be able to use
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rss-bridge from the command line
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*/
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parse_str(implode('&', array_slice($argv, 1)), $cliArgs);
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$params = array_merge($_GET, $cliArgs);
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/*
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Create a file named 'DEBUG' for enabling debug mode.
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For further security, you may put whitelisted IP addresses in the file,
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one IP per line. Empty file allows anyone(!).
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Debugging allows displaying PHP error messages and bypasses the cache: this
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can allow a malicious client to retrieve data about your server and hammer
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a provider throught your rss-bridge instance.
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*/
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if(file_exists('DEBUG')) {
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$debug_whitelist = trim(file_get_contents('DEBUG'));
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$debug_enabled = empty($debug_whitelist)
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|| in_array($_SERVER['REMOTE_ADDR'], explode("\n", $debug_whitelist));
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if($debug_enabled) {
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ini_set('display_errors', '1');
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error_reporting(E_ALL);
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define('DEBUG', true);
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}
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}
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// FIXME : beta test UA spoofing, please report any blacklisting by PHP-fopen-unfriendly websites
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$userAgent = 'Mozilla/5.0(X11; Linux x86_64; rv:30.0)';
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$userAgent .= ' Gecko/20121202 Firefox/30.0(rss-bridge/0.1;';
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$userAgent .= '+https://github.com/RSS-Bridge/rss-bridge)';
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ini_set('user_agent', $userAgent);
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// default whitelist
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$whitelist_default = array(
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'BandcampBridge',
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'CryptomeBridge',
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'DansTonChatBridge',
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'DuckDuckGoBridge',
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'FacebookBridge',
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'FlickrExploreBridge',
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'GooglePlusPostBridge',
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'GoogleSearchBridge',
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'IdenticaBridge',
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'InstagramBridge',
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'OpenClassroomsBridge',
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'PinterestBridge',
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'ScmbBridge',
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'TwitterBridge',
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'WikipediaBridge',
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'YoutubeBridge');
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try {
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Bridge::setDir(__DIR__ . '/bridges/');
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Format::setDir(__DIR__ . '/formats/');
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Cache::setDir(__DIR__ . '/caches/');
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if(!file_exists(WHITELIST_FILE)) {
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$whitelist_selection = $whitelist_default;
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$whitelist_write = implode("\n", $whitelist_default);
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file_put_contents(WHITELIST_FILE, $whitelist_write);
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} else {
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$whitelist_file_content = file_get_contents(WHITELIST_FILE);
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if($whitelist_file_content != "*\n") {
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$whitelist_selection = explode("\n", $whitelist_file_content);
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} else {
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$whitelist_selection = Bridge::listBridges();
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}
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// Prepare for case-insensitive match
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$whitelist_selection = array_map('strtolower', $whitelist_selection);
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}
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$showInactive = filter_input(INPUT_GET, 'show_inactive', FILTER_VALIDATE_BOOLEAN);
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$action = array_key_exists('action', $params) ? $params['action'] : null;
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$bridge = array_key_exists('bridge', $params) ? $params['bridge'] : null;
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if($action === 'display' && !empty($bridge)) {
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// DEPRECATED: 'nameBridge' scheme is replaced by 'name' in bridge parameter values
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// this is to keep compatibility until futher complete removal
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if(($pos = strpos($bridge, 'Bridge')) === (strlen($bridge) - strlen('Bridge'))) {
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$bridge = substr($bridge, 0, $pos);
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}
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$format = $params['format']
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or returnClientError('You must specify a format!');
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// DEPRECATED: 'nameFormat' scheme is replaced by 'name' in format parameter values
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// this is to keep compatibility until futher complete removal
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if(($pos = strpos($format, 'Format')) === (strlen($format) - strlen('Format'))) {
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$format = substr($format, 0, $pos);
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}
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// whitelist control
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if(!Bridge::isWhitelisted($whitelist_selection, strtolower($bridge))) {
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throw new \HttpException('This bridge is not whitelisted', 401);
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die;
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}
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// Data retrieval
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$bridge = Bridge::create($bridge);
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$noproxy = array_key_exists('_noproxy', $params) && filter_var($params['_noproxy'], FILTER_VALIDATE_BOOLEAN);
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if(defined('PROXY_URL') && PROXY_BYBRIDGE && $noproxy) {
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define('NOPROXY', true);
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}
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// Custom cache timeout
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$cache_timeout = -1;
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if(array_key_exists('_cache_timeout', $params)) {
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if(!CUSTOM_CACHE_TIMEOUT) {
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throw new \HttpException('This server doesn\'t support "_cache_timeout"!');
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}
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$cache_timeout = filter_var($params['_cache_timeout'], FILTER_VALIDATE_INT);
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}
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// Initialize cache
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$cache = Cache::create('FileCache');
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$cache->setPath(CACHE_DIR);
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$cache->purgeCache(86400); // 24 hours
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$cache->setParameters($params);
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unset($params['action']);
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unset($params['bridge']);
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unset($params['format']);
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unset($params['_noproxy']);
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unset($params['_cache_timeout']);
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// Load cache & data
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try {
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$bridge->setCache($cache);
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$bridge->setCacheTimeout($cache_timeout);
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$bridge->setDatas($params);
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} catch(Error $e) {
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http_response_code($e->getCode());
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header('Content-Type: text/html');
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die(buildBridgeException($e, $bridge));
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} catch(Exception $e) {
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http_response_code($e->getCode());
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header('Content-Type: text/html');
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die(buildBridgeException($e, $bridge));
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}
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// Data transformation
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try {
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$format = Format::create($format);
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$format->setItems($bridge->getItems());
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$format->setExtraInfos($bridge->getExtraInfos());
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$format->display();
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} catch(Error $e) {
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http_response_code($e->getCode());
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header('Content-Type: text/html');
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die(buildTransformException($e, $bridge));
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} catch(Exception $e) {
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http_response_code($e->getCode());
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header('Content-Type: text/html');
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die(buildBridgeException($e, $bridge));
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}
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} else {
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echo BridgeList::create($whitelist_selection, $showInactive);
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}
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} catch(HttpException $e) {
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http_response_code($e->getCode());
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header('Content-Type: text/plain');
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die($e->getMessage());
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} catch(\Exception $e) {
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die($e->getMessage());
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}
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