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<?php
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class FreshRSS_Feed extends Minz_Model {
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private $id = 0;
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private $url;
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private $category = 1;
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private $nbEntries = -1;
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private $nbNotRead = -1;
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private $entries = null;
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private $name = '';
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private $website = '';
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private $description = '';
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private $lastUpdate = 0;
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private $priority = 10;
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private $pathEntries = '';
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private $httpAuth = '';
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private $error = false;
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private $keep_history = -2;
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private $hash = null;
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public function __construct ($url, $validate=true) {
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if ($validate) {
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$this->_url ($url);
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} else {
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$this->url = $url;
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}
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}
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public function id () {
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return $this->id;
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}
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public function hash() {
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if ($this->hash === null) {
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$this->hash = hash('crc32b', Minz_Configuration::salt() . $this->url);
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}
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return $this->hash;
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}
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public function url () {
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return $this->url;
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}
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public function category () {
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return $this->category;
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}
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public function entries () {
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return $this->entries === null ? array() : $this->entries;
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}
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public function name () {
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return $this->name;
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}
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public function website () {
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return $this->website;
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}
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public function description () {
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return $this->description;
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}
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public function lastUpdate () {
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return $this->lastUpdate;
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}
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public function priority () {
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return $this->priority;
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}
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public function pathEntries () {
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return $this->pathEntries;
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}
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public function httpAuth ($raw = true) {
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if ($raw) {
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return $this->httpAuth;
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} else {
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$pos_colon = strpos ($this->httpAuth, ':');
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$user = substr ($this->httpAuth, 0, $pos_colon);
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$pass = substr ($this->httpAuth, $pos_colon + 1);
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return array (
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'username' => $user,
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'password' => $pass
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);
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}
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}
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public function inError () {
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return $this->error;
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}
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public function keepHistory () {
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return $this->keep_history;
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}
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public function nbEntries () {
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if ($this->nbEntries < 0) {
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$feedDAO = new FreshRSS_FeedDAO ();
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$this->nbEntries = $feedDAO->countEntries ($this->id ());
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}
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return $this->nbEntries;
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}
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public function nbNotRead () {
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if ($this->nbNotRead < 0) {
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$feedDAO = new FreshRSS_FeedDAO ();
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$this->nbNotRead = $feedDAO->countNotRead ($this->id ());
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}
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return $this->nbNotRead;
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}
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public function faviconPrepare() {
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$file = DATA_PATH . '/favicons/' . $this->hash() . '.txt';
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if (!file_exists ($file)) {
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$t = $this->website;
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if (empty($t)) {
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$t = $this->url;
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}
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file_put_contents($file, $t);
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}
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}
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public static function faviconDelete($hash) {
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$path = DATA_PATH . '/favicons/' . $hash;
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@unlink($path . '.ico');
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@unlink($path . '.txt');
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}
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public function favicon () {
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return Minz_Url::display ('/f.php?' . $this->hash());
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}
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public function _id ($value) {
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$this->id = $value;
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}
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public function _url ($value, $validate=true) {
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if ($validate) {
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$value = checkUrl($value);
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}
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if (empty ($value)) {
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throw new FreshRSS_BadUrl_Exception ($value);
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}
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$this->url = $value;
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}
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public function _category ($value) {
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$value = intval($value);
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$this->category = $value >= 0 ? $value : 0;
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}
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public function _name ($value) {
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$this->name = $value === null ? '' : $value;
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}
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public function _website ($value, $validate=true) {
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if ($validate) {
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$value = checkUrl($value);
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}
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if (empty ($value)) {
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$value = '';
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}
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$this->website = $value;
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}
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public function _description ($value) {
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$this->description = $value === null ? '' : $value;
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}
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public function _lastUpdate ($value) {
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$this->lastUpdate = $value;
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}
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public function _priority ($value) {
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$value = intval($value);
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$this->priority = $value >= 0 ? $value : 10;
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}
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public function _pathEntries ($value) {
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$this->pathEntries = $value;
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}
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public function _httpAuth ($value) {
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$this->httpAuth = $value;
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}
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public function _error ($value) {
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$this->error = (bool)$value;
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}
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public function _keepHistory ($value) {
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$value = intval($value);
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$value = min($value, 1000000);
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$value = max($value, -2);
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$this->keep_history = $value;
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}
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public function _nbNotRead ($value) {
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$this->nbNotRead = intval($value);
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}
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public function _nbEntries ($value) {
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$this->nbEntries = intval($value);
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}
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public function load ($loadDetails = false) {
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if ($this->url !== null) {
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if (CACHE_PATH === false) {
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throw new Minz_FileNotExistException (
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'CACHE_PATH',
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Minz_Exception::ERROR
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);
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} else {
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$url = htmlspecialchars_decode ($this->url, ENT_QUOTES);
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if ($this->httpAuth != '') {
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$url = preg_replace ('#((.+)://)(.+)#', '${1}' . $this->httpAuth . '@${3}', $url);
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}
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$feed = customSimplePie();
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$feed->set_feed_url ($url);
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$mtime = $feed->init();
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if ((!$mtime) || $feed->error()) {
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throw new FreshRSS_Feed_Exception ($feed->error() . ' [' . $url . ']');
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}
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// si on a utilisé l'auto-discover, notre url va avoir changé
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$subscribe_url = $feed->subscribe_url ();
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if ($subscribe_url !== null && $subscribe_url !== $this->url) {
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if ($this->httpAuth != '') {
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// on enlève les id si authentification HTTP
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$subscribe_url = preg_replace ('#((.+)://)((.+)@)(.+)#', '${1}${5}', $subscribe_url);
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}
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$this->_url ($subscribe_url);
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}
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if ($loadDetails) {
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$title = htmlspecialchars(html_only_entity_decode($feed->get_title()), ENT_COMPAT, 'UTF-8');
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$this->_name ($title === null ? $this->url : $title);
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$this->_website(html_only_entity_decode($feed->get_link()));
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$this->_description(html_only_entity_decode($feed->get_description()));
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}
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if (($mtime === true) || ($mtime > $this->lastUpdate)) {
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syslog(LOG_DEBUG, 'FreshRSS no cache ' . $mtime . ' > ' . $this->lastUpdate . ' for ' . $subscribe_url);
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$this->loadEntries($feed); // et on charge les articles du flux
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} else {
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syslog(LOG_DEBUG, 'FreshRSS use cache for ' . $subscribe_url);
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$this->entries = array();
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}
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$feed->__destruct(); //http://simplepie.org/wiki/faq/i_m_getting_memory_leaks
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unset($feed);
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}
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}
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}
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private function loadEntries ($feed) {
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$entries = array ();
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foreach ($feed->get_items () as $item) {
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$title = html_only_entity_decode (strip_tags ($item->get_title ()));
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$author = $item->get_author ();
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$link = $item->get_permalink ();
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$date = @strtotime ($item->get_date ());
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// gestion des tags (catégorie == tag)
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$tags_tmp = $item->get_categories ();
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$tags = array ();
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if ($tags_tmp !== null) {
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foreach ($tags_tmp as $tag) {
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$tags[] = html_only_entity_decode ($tag->get_label ());
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}
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}
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$content = html_only_entity_decode ($item->get_content ());
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$elinks = array();
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foreach ($item->get_enclosures() as $enclosure) {
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$elink = $enclosure->get_link();
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if (array_key_exists($elink, $elinks)) continue;
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$elinks[$elink] = '1';
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$mime = strtolower($enclosure->get_type());
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if (strpos($mime, 'image/') === 0) {
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$content .= '<br /><img src="' . $elink . '" alt="" />';
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}
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}
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$entry = new FreshRSS_Entry (
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$this->id (),
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$item->get_id (),
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$title === null ? '' : $title,
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$author === null ? '' : html_only_entity_decode ($author->name),
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$content === null ? '' : $content,
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$link === null ? '' : $link,
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$date ? $date : time ()
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);
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$entry->_tags ($tags);
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// permet de récupérer le contenu des flux tronqués
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$entry->loadCompleteContent($this->pathEntries());
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$entries[] = $entry;
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unset($item);
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}
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$this->entries = $entries;
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}
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function lock() {
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$lock = TMP_PATH . '/' . md5(Minz_Configuration::salt() . $this->url) . '.freshrss.lock';
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if (file_exists($lock) && ((time() - @filemtime($lock)) > 3600)) {
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@unlink($lock);
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}
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if (($handle = @fopen($lock, 'x')) === false) {
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return false;
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}
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//register_shutdown_function('unlink', $lock);
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@fclose($handle);
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return true;
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}
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function unlock() {
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$lock = TMP_PATH . '/' . md5(Minz_Configuration::salt() . $this->url) . '.freshrss.lock';
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@unlink($lock);
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}
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}
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