X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=include%2Ffunctions.php;h=ba3277b81415695987aebe9c1cb04bc63a7add23;hb=fc0a3050ebc772401aaef2f97d4bbbf326769a3c;hp=7ebbe38b38b447137fad23c2cce88290e851b04f;hpb=a9105e2a619c499509c27ac263b306e86ef247b5;p=tt-rss.git

diff --git a/include/functions.php b/include/functions.php
index 7ebbe38b..ba3277b8 100755
--- a/include/functions.php
+++ b/include/functions.php
@@ -13,7 +13,6 @@
 	$fetch_last_error_content = false; // curl only for the time being
 	$fetch_effective_url = false;
 	$fetch_curl_used = false;
-	$suppress_debugging = false;
 
 	libxml_disable_entity_loader(true);
 
@@ -156,67 +155,11 @@
 
 	$schema_version = false;
 
-	function _debug_suppress($suppress) {
-		global $suppress_debugging;
-
-		$suppress_debugging = $suppress;
+	// TODO: compat wrapper, remove at some point
+	function _debug($msg) {
+	    Debug::log($msg);
 	}
 
-	/**
-	 * Print a timestamped debug message.
-	 *
-	 * @param string $msg The debug message.
-	 * @return void
-	 */
-	function _debug($msg, $show = true) {
-		global $suppress_debugging;
-
-		//echo "[$suppress_debugging] $msg $show\n";
-
-		if ($suppress_debugging) return false;
-
-		$ts = strftime("%H:%M:%S", time());
-		if (function_exists('posix_getpid')) {
-			$ts = "$ts/" . posix_getpid();
-		}
-
-		if ($show && !(defined('QUIET') && QUIET)) {
-			print "[$ts] $msg\n";
-		}
-
-		if (defined('LOGFILE'))  {
-			$fp = fopen(LOGFILE, 'a+');
-
-			if ($fp) {
-				$locked = false;
-
-				if (function_exists("flock")) {
-					$tries = 0;
-
-					// try to lock logfile for writing
-					while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB)) {
-						sleep(1);
-						++$tries;
-					}
-
-					if (!$locked) {
-						fclose($fp);
-						return;
-					}
-				}
-
-				fputs($fp, "[$ts] $msg\n");
-
-				if (function_exists("flock")) {
-					flock($fp, LOCK_UN);
-				}
-
-				fclose($fp);
-			}
-		}
-
-	} // function _debug
-
 	/**
 	 * Purge a feed old posts.
 	 *
@@ -227,7 +170,7 @@
 	 * @access public
 	 * @return void
 	 */
-	function purge_feed($feed_id, $purge_interval, $debug = false) {
+	function purge_feed($feed_id, $purge_interval) {
 
 		if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
 
@@ -292,9 +235,7 @@
 
 		CCache::update($feed_id, $owner_uid);
 
-		if ($debug) {
-			_debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
-		}
+        Debug::log("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 
 		return $rows;
 	} // function purge_feed
@@ -421,7 +362,7 @@
 				// holy shit closures in php
 				// download & upload are *expected* sizes respectively, could be zero
 				curl_setopt($ch, CURLOPT_PROGRESSFUNCTION, function($curl_handle, $download_size, $downloaded, $upload_size, $uploaded) use( &$max_size) {
-					//_debug("[curl progressfunction] $downloaded $max_size");
+					Debug::log("[curl progressfunction] $downloaded $max_size", Debug::$LOG_EXTENDED);
 
 					return ($downloaded > $max_size) ? 1 : 0; // if max size is set, abort when exceeding it
 				});
@@ -700,22 +641,26 @@
 
 		if (!SINGLE_USER_MODE) {
 			$user_id = false;
+			$auth_module = false;
 
 			foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
 
 				$user_id = (int) $plugin->authenticate($login, $password);
 
 				if ($user_id) {
-					$_SESSION["auth_module"] = strtolower(get_class($plugin));
+					$auth_module = strtolower(get_class($plugin));
 					break;
 				}
 			}
 
 			if ($user_id && !$check_only) {
-				@session_start();
+
+				session_start();
+				session_regenerate_id(true);
 
 				$_SESSION["uid"] = $user_id;
 				$_SESSION["version"] = VERSION_STATIC;
+				$_SESSION["auth_module"] = $auth_module;
 
 				$pdo = DB::pdo();
 				$sth = $pdo->prepare("SELECT login,access_level,pwd_hash FROM ttrss_users
@@ -811,10 +756,11 @@
 	}
 
 	function logout_user() {
-		session_destroy();
+		@session_destroy();
 		if (isset($_COOKIE[session_name()])) {
 		   setcookie(session_name(), '', time()-42000, '/');
 		}
+		session_commit();
 	}
 
 	function validate_csrf($csrf_token) {
@@ -856,8 +802,7 @@
 				}
 
 				if (!$_SESSION["uid"]) {
-					@session_destroy();
-					setcookie(session_name(), '', time()-42000, '/');
+					logout_user();
 
 					render_login_form();
 					exit;
@@ -1564,38 +1509,31 @@
 		return false;
 	}
 
-	function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false, $highlight_words = false, $article_id = false) {
-		if (!$owner) $owner = $_SESSION["uid"];
-
-		$res = trim($str); if (!$res) return '';
+	// check for locally cached (media) URLs and rewrite to local versions
+	// this is called separately after sanitize() and plugin render article hooks to allow
+	// plugins work on original source URLs used before caching
 
+	function rewrite_cached_urls($str) {
 		$charset_hack = '<head>
 				<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
 			</head>';
 
-		$res = trim($res); if (!$res) return '';
-
-		libxml_use_internal_errors(true);
+		$res = trim($str); if (!$res) return '';
 
 		$doc = new DOMDocument();
 		$doc->loadHTML($charset_hack . $res);
 		$xpath = new DOMXPath($doc);
 
-		$rewrite_base_url = $site_url ? $site_url : get_self_url_prefix();
+		$entries = $xpath->query('(//img[@src]|//video[@poster]|//video/source[@src]|//audio/source[@src])');
 
-		$entries = $xpath->query('(//a[@href]|//img[@src]|//video/source[@src]|//audio/source[@src])');
+		$need_saving = false;
 
 		foreach ($entries as $entry) {
 
-			if ($entry->hasAttribute('href')) {
-				$entry->setAttribute('href',
-					rewrite_relative_url($rewrite_base_url, $entry->getAttribute('href')));
-
-				$entry->setAttribute('rel', 'noopener noreferrer');
-			}
+			if ($entry->hasAttribute('src') || $entry->hasAttribute('poster')) {
 
-			if ($entry->hasAttribute('src')) {
-				$src = rewrite_relative_url($rewrite_base_url, $entry->getAttribute('src'));
+				// should be already absolutized because this is called after sanitize()
+				$src = $entry->hasAttribute('poster') ? $entry->getAttribute('poster') : $entry->getAttribute('src');
 				$cached_filename = CACHE_DIR . '/images/' . sha1($src);
 
 				if (file_exists($cached_filename)) {
@@ -1613,14 +1551,58 @@
 
 					$src = get_self_url_prefix() . '/public.php?op=cached_url&hash=' . sha1($src) . $suffix;
 
-					if ($entry->hasAttribute('srcset')) {
-						$entry->removeAttribute('srcset');
-					}
+					if ($entry->hasAttribute('poster'))
+						$entry->setAttribute('poster', $src);
+					else
+						$entry->setAttribute('src', $src);
 
-					if ($entry->hasAttribute('sizes')) {
-						$entry->removeAttribute('sizes');
-					}
+					$need_saving = true;
 				}
+			}
+		}
+
+		if ($need_saving) {
+			$doc->removeChild($doc->firstChild); //remove doctype
+			$res = $doc->saveHTML();
+		}
+
+		return $res;
+	}
+
+	function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false, $highlight_words = false, $article_id = false) {
+		if (!$owner) $owner = $_SESSION["uid"];
+
+		$res = trim($str); if (!$res) return '';
+
+		$charset_hack = '<head>
+				<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
+			</head>';
+
+		$res = trim($res); if (!$res) return '';
+
+		libxml_use_internal_errors(true);
+
+		$doc = new DOMDocument();
+		$doc->loadHTML($charset_hack . $res);
+		$xpath = new DOMXPath($doc);
+
+		$rewrite_base_url = $site_url ? $site_url : get_self_url_prefix();
+
+		$entries = $xpath->query('(//a[@href]|//img[@src]|//video/source[@src]|//audio/source[@src])');
+
+		foreach ($entries as $entry) {
+
+			if ($entry->hasAttribute('href')) {
+				$entry->setAttribute('href',
+					rewrite_relative_url($rewrite_base_url, $entry->getAttribute('href')));
+
+				$entry->setAttribute('rel', 'noopener noreferrer');
+			}
+
+			if ($entry->hasAttribute('src')) {
+				$src = rewrite_relative_url($rewrite_base_url, $entry->getAttribute('src'));
+
+				// cache stuff has gone to rewrite_cached_urls()
 
 				$entry->setAttribute('src', $src);
 			}
@@ -1645,22 +1627,32 @@
 						}
 					}
 				}
+			}
+
+			if ($entry->hasAttribute('src') &&
+					($owner && get_pref("STRIP_IMAGES", $owner)) || $force_remove_images || $_SESSION["bw_limit"]) {
+
+				$p = $doc->createElement('p');
+
+				$a = $doc->createElement('a');
+				$a->setAttribute('href', $entry->getAttribute('src'));
 
-				if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
-					$force_remove_images || $_SESSION["bw_limit"]) {
+				$a->appendChild(new DOMText($entry->getAttribute('src')));
+				$a->setAttribute('target', '_blank');
+				$a->setAttribute('rel', 'noopener noreferrer');
 
-					$p = $doc->createElement('p');
+				$p->appendChild($a);
 
-					$a = $doc->createElement('a');
-					$a->setAttribute('href', $entry->getAttribute('src'));
+				if ($entry->nodeName == 'source') {
 
-					$a->appendChild(new DOMText($entry->getAttribute('src')));
-					$a->setAttribute('target', '_blank');
-					$a->setAttribute('rel', 'noopener noreferrer');
+					if ($entry->parentNode && $entry->parentNode->parentNode)
+						$entry->parentNode->parentNode->replaceChild($p, $entry->parentNode);
 
-					$p->appendChild($a);
+				} else if ($entry->nodeName == 'img') {
+
+					if ($entry->parentNode)
+						$entry->parentNode->replaceChild($p, $entry);
 
-					$entry->parentNode->replaceChild($p, $entry);
 				}
 			}
 
@@ -2101,7 +2093,7 @@
 		$sth = $pdo->prepare("SELECT access_key FROM ttrss_access_keys
 				WHERE feed_id = ? AND is_cat = ?
 				AND owner_uid = ?");
-		$sth->execute([$feed_id, (int)$is_cat, $owner_uid]);
+		$sth->execute([$feed_id, $is_cat, $owner_uid]);
 
 		if ($row = $sth->fetch()) {
 			return $row["access_key"];
@@ -2112,7 +2104,7 @@
 					(access_key, feed_id, is_cat, owner_uid)
 					VALUES (?, ?, ?, ?)");
 
-			$sth->execute([$key, $feed_id, (int)$is_cat, $owner_uid]);
+			$sth->execute([$key, $feed_id, $is_cat, $owner_uid]);
 
 			return $key;
 		}
@@ -2564,6 +2556,9 @@
 		should be loaded systemwide in config.php */
 	function send_local_file($filename) {
 		if (file_exists($filename)) {
+
+			if (is_writable($filename)) touch($filename);
+
 			$tmppluginhost = new PluginHost();
 
 			$tmppluginhost->load(PLUGINS, PluginHost::KIND_SYSTEM);
@@ -2574,6 +2569,13 @@
 			}
 
 			$mimetype = mime_content_type($filename);
+
+			// this is hardly ideal but 1) only media is cached in images/ and 2) seemingly only mp4
+			// video files are detected as octet-stream by mime_content_type()
+
+			if ($mimetype == "application/octet-stream")
+				$mimetype = "video/mp4";
+
 			header("Content-type: $mimetype");
 
 			$stamp = gmdate("D, d M Y H:i:s", filemtime($filename)) . " GMT";