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Diffstat (limited to 'app/Models/Feed.php')
-rw-r--r--app/Models/Feed.php150
1 files changed, 149 insertions, 1 deletions
diff --git a/app/Models/Feed.php b/app/Models/Feed.php
index 85fb173ec..bf7ed3967 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 = $feed->subscribe_url(false);
@@ -259,7 +282,7 @@ class FreshRSS_Feed extends Minz_Model {
}
}
- private function loadEntries($feed) {
+ public function loadEntries($feed) {
$entries = array();
foreach ($feed->get_items() as $item) {
@@ -333,4 +356,129 @@ class FreshRSS_Feed extends Minz_Model {
function unlock() {
@unlink($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($hubJson));
+ }
+
+ return substr($info['http_code'], 0, 1) == '2';
+ }
+ return false;
+ }
+
+ //</PubSubHubbub>
}
generated by cgit v1.2.3 (git 2.39.1) at 2026-02-10 11:43:04 +0000