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freshrss_ynh/sources/app/Models/Feed.php
2015-02-08 18:55:48 +01:00

336 lines
8.8 KiB
PHP
Executable file

<?php
class FreshRSS_Feed extends Minz_Model {
private $id = 0;
private $url;
private $category = 1;
private $nbEntries = -1;
private $nbNotRead = -1;
private $entries = null;
private $name = '';
private $website = '';
private $description = '';
private $lastUpdate = 0;
private $priority = 10;
private $pathEntries = '';
private $httpAuth = '';
private $error = false;
private $keep_history = -2;
private $ttl = -2;
private $hash = null;
private $lockPath = '';
public function __construct($url, $validate=true) {
if ($validate) {
$this->_url($url);
} else {
$this->url = $url;
}
}
public static function example() {
$f = new FreshRSS_Feed('http://example.net/', false);
$f->faviconPrepare();
return $f;
}
public function id() {
return $this->id;
}
public function hash() {
if ($this->hash === null) {
$salt = FreshRSS_Context::$system_conf->salt;
$this->hash = hash('crc32b', $salt . $this->url);
}
return $this->hash;
}
public function url() {
return $this->url;
}
public function category() {
return $this->category;
}
public function entries() {
return $this->entries === null ? array() : $this->entries;
}
public function name() {
return $this->name;
}
public function website() {
return $this->website;
}
public function description() {
return $this->description;
}
public function lastUpdate() {
return $this->lastUpdate;
}
public function priority() {
return $this->priority;
}
public function pathEntries() {
return $this->pathEntries;
}
public function httpAuth($raw = true) {
if ($raw) {
return $this->httpAuth;
} else {
$pos_colon = strpos($this->httpAuth, ':');
$user = substr($this->httpAuth, 0, $pos_colon);
$pass = substr($this->httpAuth, $pos_colon + 1);
return array(
'username' => $user,
'password' => $pass
);
}
}
public function inError() {
return $this->error;
}
public function keepHistory() {
return $this->keep_history;
}
public function ttl() {
return $this->ttl;
}
public function nbEntries() {
if ($this->nbEntries < 0) {
$feedDAO = FreshRSS_Factory::createFeedDao();
$this->nbEntries = $feedDAO->countEntries($this->id());
}
return $this->nbEntries;
}
public function nbNotRead() {
if ($this->nbNotRead < 0) {
$feedDAO = FreshRSS_Factory::createFeedDao();
$this->nbNotRead = $feedDAO->countNotRead($this->id());
}
return $this->nbNotRead;
}
public function faviconPrepare() {
$file = DATA_PATH . '/favicons/' . $this->hash() . '.txt';
if (!file_exists($file)) {
$t = $this->website;
if ($t == '') {
$t = $this->url;
}
file_put_contents($file, $t);
}
}
public static function faviconDelete($hash) {
$path = DATA_PATH . '/favicons/' . $hash;
@unlink($path . '.ico');
@unlink($path . '.txt');
}
public function favicon() {
return Minz_Url::display('/f.php?' . $this->hash());
}
public function _id($value) {
$this->id = $value;
}
public function _url($value, $validate=true) {
$this->hash = null;
if ($validate) {
$value = checkUrl($value);
}
if (empty($value)) {
throw new FreshRSS_BadUrl_Exception($value);
}
$this->url = $value;
}
public function _category($value) {
$value = intval($value);
$this->category = $value >= 0 ? $value : 0;
}
public function _name($value) {
$this->name = $value === null ? '' : $value;
}
public function _website($value, $validate=true) {
if ($validate) {
$value = checkUrl($value);
}
if (empty($value)) {
$value = '';
}
$this->website = $value;
}
public function _description($value) {
$this->description = $value === null ? '' : $value;
}
public function _lastUpdate($value) {
$this->lastUpdate = $value;
}
public function _priority($value) {
$value = intval($value);
$this->priority = $value >= 0 ? $value : 10;
}
public function _pathEntries($value) {
$this->pathEntries = $value;
}
public function _httpAuth($value) {
$this->httpAuth = $value;
}
public function _error($value) {
$this->error = (bool)$value;
}
public function _keepHistory($value) {
$value = intval($value);
$value = min($value, 1000000);
$value = max($value, -2);
$this->keep_history = $value;
}
public function _ttl($value) {
$value = intval($value);
$value = min($value, 100000000);
$value = max($value, -2);
$this->ttl = $value;
}
public function _nbNotRead($value) {
$this->nbNotRead = intval($value);
}
public function _nbEntries($value) {
$this->nbEntries = intval($value);
}
public function load($loadDetails = false) {
if ($this->url !== null) {
if (CACHE_PATH === false) {
throw new Minz_FileNotExistException(
'CACHE_PATH',
Minz_Exception::ERROR
);
} else {
$url = htmlspecialchars_decode($this->url, ENT_QUOTES);
if ($this->httpAuth != '') {
$url = preg_replace('#((.+)://)(.+)#', '${1}' . $this->httpAuth . '@${3}', $url);
}
$feed = customSimplePie();
if (substr($url, -11) === '#force_feed') {
$feed->force_feed(true);
$url = substr($url, 0, -11);
}
$feed->set_feed_url($url);
if (!$loadDetails) { //Only activates auto-discovery when adding a new feed
$feed->set_autodiscovery_level(SIMPLEPIE_LOCATOR_NONE);
}
$mtime = $feed->init();
if ((!$mtime) || $feed->error()) {
$errorMessage = $feed->error();
throw new FreshRSS_Feed_Exception(($errorMessage == '' ? 'Feed error' : $errorMessage) . ' [' . $url . ']');
}
if ($loadDetails) {
// si on a utilisé l'auto-discover, notre url va avoir changé
$subscribe_url = $feed->subscribe_url(false);
$title = strtr(html_only_entity_decode($feed->get_title()), array('<' => '&lt;', '>' => '&gt;', '"' => '&quot;')); //HTML to HTML-PRE //ENT_COMPAT except &
$this->_name($title == '' ? $url : $title);
$this->_website(html_only_entity_decode($feed->get_link()));
$this->_description(html_only_entity_decode($feed->get_description()));
} else {
//The case of HTTP 301 Moved Permanently
$subscribe_url = $feed->subscribe_url(true);
}
$clean_url = url_remove_credentials($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);
$this->loadEntries($feed); // et on charge les articles du flux
} else {
Minz_Log::notice('FreshRSS use cache for ' . $clean_url);
$this->entries = array();
}
$feed->__destruct(); //http://simplepie.org/wiki/faq/i_m_getting_memory_leaks
unset($feed);
}
}
}
private function loadEntries($feed) {
$entries = array();
foreach ($feed->get_items() as $item) {
$title = html_only_entity_decode(strip_tags($item->get_title()));
$author = $item->get_author();
$link = $item->get_permalink();
$date = @strtotime($item->get_date());
// gestion des tags (catégorie == tag)
$tags_tmp = $item->get_categories();
$tags = array();
if ($tags_tmp !== null) {
foreach ($tags_tmp as $tag) {
$tags[] = html_only_entity_decode($tag->get_label());
}
}
$content = html_only_entity_decode($item->get_content());
$elinks = array();
foreach ($item->get_enclosures() as $enclosure) {
$elink = $enclosure->get_link();
if (empty($elinks[$elink])) {
$elinks[$elink] = '1';
$mime = strtolower($enclosure->get_type());
if (strpos($mime, 'image/') === 0) {
$content .= '<br /><img lazyload="" postpone="" src="' . $elink . '" alt="" />';
} elseif (strpos($mime, 'audio/') === 0) {
$content .= '<br /><audio lazyload="" postpone="" preload="none" src="' . $elink . '" controls="controls" />';
} elseif (strpos($mime, 'video/') === 0) {
$content .= '<br /><video lazyload="" postpone="" preload="none" src="' . $elink . '" controls="controls" />';
} else {
unset($elinks[$elink]);
}
}
}
$entry = new FreshRSS_Entry(
$this->id(),
$item->get_id(),
$title === null ? '' : $title,
$author === null ? '' : html_only_entity_decode($author->name),
$content === null ? '' : $content,
$link === null ? '' : $link,
$date ? $date : time()
);
$entry->_tags($tags);
// permet de récupérer le contenu des flux tronqués
$entry->loadCompleteContent($this->pathEntries());
$entries[] = $entry;
unset($item);
}
$this->entries = $entries;
}
function lock() {
$this->lockPath = TMP_PATH . '/' . $this->hash() . '.freshrss.lock';
if (file_exists($this->lockPath) && ((time() - @filemtime($this->lockPath)) > 3600)) {
@unlink($this->lockPath);
}
if (($handle = @fopen($this->lockPath, 'x')) === false) {
return false;
}
//register_shutdown_function('unlink', $this->lockPath);
@fclose($handle);
return true;
}
function unlock() {
@unlink($this->lockPath);
}
}