diff options
Diffstat (limited to 'app/Models/Feed.php')
| -rw-r--r-- | app/Models/Feed.php | 165 |
1 files changed, 160 insertions, 5 deletions
diff --git a/app/Models/Feed.php b/app/Models/Feed.php index 5ce03be5d..23491ee8d 100644 --- a/app/Models/Feed.php +++ b/app/Models/Feed.php @@ -19,6 +19,8 @@ class FreshRSS_Feed extends Minz_Model { private $ttl = -2; private $hash = null; private $lockPath = ''; + private $hubUrl = ''; + private $selfUrl = ''; public function __construct($url, $validate=true) { if ($validate) { @@ -49,6 +51,12 @@ class FreshRSS_Feed extends Minz_Model { public function url() { return $this->url; } + public function selfUrl() { + return $this->selfUrl; + } + public function hubUrl() { + return $this->hubUrl; + } public function category() { return $this->category; } @@ -96,6 +104,16 @@ class FreshRSS_Feed extends Minz_Model { public function ttl() { return $this->ttl; } + // public function ttlExpire() { + // $ttl = $this->ttl; + // if ($ttl == -2) { //Default + // $ttl = FreshRSS_Context::$user_conf->ttl_default; + // } + // if ($ttl == -1) { //Never + // $ttl = 64000000; //~2 years. Good enough for PubSubHubbub logic + // } + // return $this->lastUpdate + $ttl; + // } public function nbEntries() { if ($this->nbEntries < 0) { $feedDAO = FreshRSS_Factory::createFeedDao(); @@ -226,6 +244,11 @@ class FreshRSS_Feed extends Minz_Model { throw new FreshRSS_Feed_Exception(($errorMessage == '' ? 'Feed error' : $errorMessage) . ' [' . $url . ']'); } + $links = $feed->get_links('self'); + $this->selfUrl = isset($links[0]) ? $links[0] : null; + $links = $feed->get_links('hub'); + $this->hubUrl = isset($links[0]) ? $links[0] : null; + if ($loadDetails) { // si on a utilisé l'auto-discover, notre url va avoir changé $subscribe_url = $feed->subscribe_url(false); @@ -240,16 +263,16 @@ class FreshRSS_Feed extends Minz_Model { $subscribe_url = $feed->subscribe_url(true); } - $clean_url = url_remove_credentials($subscribe_url); + $clean_url = SimplePie_Misc::url_remove_credentials($subscribe_url); if ($subscribe_url !== null && $subscribe_url !== $url) { $this->_url($clean_url); } - if (($mtime === true) ||($mtime > $this->lastUpdate)) { - Minz_Log::notice('FreshRSS no cache ' . $mtime . ' > ' . $this->lastUpdate . ' for ' . $clean_url); + if (($mtime === true) || ($mtime > $this->lastUpdate)) { + //Minz_Log::debug('FreshRSS no cache ' . $mtime . ' > ' . $this->lastUpdate . ' for ' . $clean_url); $this->loadEntries($feed); // et on charge les articles du flux } else { - Minz_Log::notice('FreshRSS use cache for ' . $clean_url); + //Minz_Log::debug('FreshRSS use cache for ' . $clean_url); $this->entries = array(); } @@ -259,7 +282,7 @@ class FreshRSS_Feed extends Minz_Model { } } - private function loadEntries($feed) { + public function loadEntries($feed) { $entries = array(); foreach ($feed->get_items() as $item) { @@ -333,4 +356,136 @@ class FreshRSS_Feed extends Minz_Model { function unlock() { @unlink($this->lockPath); } + + //<PubSubHubbub> + + function pubSubHubbubEnabled() { + $url = $this->selfUrl ? $this->selfUrl : $this->url; + $hubFilename = PSHB_PATH . '/feeds/' . base64url_encode($url) . '/!hub.json'; + if ($hubFile = @file_get_contents($hubFilename)) { + $hubJson = json_decode($hubFile, true); + if ($hubJson && empty($hubJson['error']) && + (empty($hubJson['lease_end']) || $hubJson['lease_end'] > time())) { + return true; + } + } + return false; + } + + function pubSubHubbubError($error = true) { + $url = $this->selfUrl ? $this->selfUrl : $this->url; + $hubFilename = PSHB_PATH . '/feeds/' . base64url_encode($url) . '/!hub.json'; + $hubFile = @file_get_contents($hubFilename); + $hubJson = $hubFile ? json_decode($hubFile, true) : array(); + if (!isset($hubJson['error']) || $hubJson['error'] !== (bool)$error) { + $hubJson['error'] = (bool)$error; + file_put_contents($hubFilename, json_encode($hubJson)); + file_put_contents(USERS_PATH . '/_/log_pshb.txt', date('c') . "\t" + . 'Set error to ' . ($error ? 1 : 0) . ' for ' . $url . "\n", FILE_APPEND); + } + return false; + } + + function pubSubHubbubPrepare() { + $key = ''; + if (FreshRSS_Context::$system_conf->base_url && $this->hubUrl && $this->selfUrl && @is_dir(PSHB_PATH)) { + $path = PSHB_PATH . '/feeds/' . base64url_encode($this->selfUrl); + $hubFilename = $path . '/!hub.json'; + if ($hubFile = @file_get_contents($hubFilename)) { + $hubJson = json_decode($hubFile, true); + if (!$hubJson || empty($hubJson['key']) || !ctype_xdigit($hubJson['key'])) { + $text = 'Invalid JSON for PubSubHubbub: ' . $this->url; + Minz_Log::warning($text); + file_put_contents(USERS_PATH . '/_/log_pshb.txt', date('c') . "\t" . $text . "\n", FILE_APPEND); + return false; + } + if ((!empty($hubJson['lease_end'])) && ($hubJson['lease_end'] < (time() + (3600 * 23)))) { //TODO: Make a better policy + $text = 'PubSubHubbub lease ends at ' + . date('c', empty($hubJson['lease_end']) ? time() : $hubJson['lease_end']) + . ' and needs renewal: ' . $this->url; + Minz_Log::warning($text); + file_put_contents(USERS_PATH . '/_/log_pshb.txt', date('c') . "\t" . $text . "\n", FILE_APPEND); + $key = $hubJson['key']; //To renew our lease + } elseif (((!empty($hubJson['error'])) || empty($hubJson['lease_end'])) && + (empty($hubJson['lease_start']) || $hubJson['lease_start'] < time() - (3600 * 23))) { //Do not renew too often + $key = $hubJson['key']; //To renew our lease + } + } else { + @mkdir($path, 0777, true); + $key = sha1($path . FreshRSS_Context::$system_conf->salt . uniqid(mt_rand(), true)); + $hubJson = array( + 'hub' => $this->hubUrl, + 'key' => $key, + ); + file_put_contents($hubFilename, json_encode($hubJson)); + @mkdir(PSHB_PATH . '/keys/'); + file_put_contents(PSHB_PATH . '/keys/' . $key . '.txt', base64url_encode($this->selfUrl)); + $text = 'PubSubHubbub prepared for ' . $this->url; + Minz_Log::debug($text); + file_put_contents(USERS_PATH . '/_/log_pshb.txt', date('c') . "\t" . $text . "\n", FILE_APPEND); + } + $currentUser = Minz_Session::param('currentUser'); + if (ctype_alnum($currentUser) && !file_exists($path . '/' . $currentUser . '.txt')) { + touch($path . '/' . $currentUser . '.txt'); + } + } + return $key; + } + + //Parameter true to subscribe, false to unsubscribe. + function pubSubHubbubSubscribe($state) { + if (FreshRSS_Context::$system_conf->base_url && $this->hubUrl && $this->selfUrl) { + $hubFilename = PSHB_PATH . '/feeds/' . base64url_encode($this->selfUrl) . '/!hub.json'; + $hubFile = @file_get_contents($hubFilename); + if ($hubFile === false) { + Minz_Log::warning('JSON not found for PubSubHubbub: ' . $this->url); + return false; + } + $hubJson = json_decode($hubFile, true); + if (!$hubJson || empty($hubJson['key']) || !ctype_xdigit($hubJson['key'])) { + Minz_Log::warning('Invalid JSON for PubSubHubbub: ' . $this->url); + return false; + } + $callbackUrl = checkUrl(FreshRSS_Context::$system_conf->base_url . 'api/pshb.php?k=' . $hubJson['key']); + if ($callbackUrl == '') { + Minz_Log::warning('Invalid callback for PubSubHubbub: ' . $this->url); + return false; + } + $ch = curl_init(); + curl_setopt_array($ch, array( + CURLOPT_URL => $this->hubUrl, + CURLOPT_FOLLOWLOCATION => true, + CURLOPT_RETURNTRANSFER => true, + CURLOPT_USERAGENT => _t('gen.freshrss') . '/' . FRESHRSS_VERSION . ' (' . PHP_OS . '; ' . FRESHRSS_WEBSITE . ')', + CURLOPT_POSTFIELDS => 'hub.verify=sync' + . '&hub.mode=' . ($state ? 'subscribe' : 'unsubscribe') + . '&hub.topic=' . urlencode($this->selfUrl) + . '&hub.callback=' . urlencode($callbackUrl) + ) + ); + $response = curl_exec($ch); + $info = curl_getinfo($ch); + + file_put_contents(USERS_PATH . '/_/log_pshb.txt', date('c') . "\t" . + 'PubSubHubbub ' . ($state ? 'subscribe' : 'unsubscribe') . ' to ' . $this->selfUrl . + ' with callback ' . $callbackUrl . ': ' . $info['http_code'] . ' ' . $response . "\n", FILE_APPEND); + + if (!$state) { //unsubscribe + $hubJson['lease_end'] = time() - 60; + file_put_contents($hubFilename, json_encode($hubJson)); + } + + if (substr($info['http_code'], 0, 1) == '2') { + return true; + } else { + $hubJson['lease_start'] = time(); //Prevent trying again too soon + $hubJson['error'] = true; + file_put_contents($hubFilename, json_encode($hubJson)); + return false; + } + } + return false; + } + + //</PubSubHubbub> } |
