reduce the number of always included libraries

[tt-rss.git] / functions.php

diff --git a/functions.php b/functions.php
index cad0b21c33536405d2fb6cf3519c42f5e0e855cd..974d02a5e4fc8d051b7874a73eb3f8fd682aa07b 100644 (file)
--- a/functions.php
+++ b/functions.php
@@ -90,14 +90,8 @@
        }
 
        require_once 'db-prefs.php';
-       require_once 'errors.php';
        require_once 'version.php';
 
-       require_once 'lib/phpmailer/class.phpmailer.php';
-       require_once 'lib/sphinxapi.php';
-       require_once 'lib/tmhoauth/tmhOAuth.php';
-
-       //define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
        define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 
        define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
@@ -105,28 +99,9 @@
 
        ini_set('user_agent', SELF_USER_AGENT);
 
-       require_once "lib/simplepie/simplepie.inc";
-       require_once "lib/magpierss/rss_fetch.inc";
-       require_once 'lib/magpierss/rss_utils.inc';
-       require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
        require_once 'lib/pubsubhubbub/publisher.php';
-       require_once 'lib/pubsubhubbub/subscriber.php';
-
-       $config = HTMLPurifier_Config::createDefault();
 
-       $allowed = "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4,s,object[classid|type|id|name|width|height|codebase],param[name|value],table,tr,td";
-
-       $config->set('HTML.SafeObject', true);
-       @$config->set('HTML', 'Allowed', $allowed);
-       $config->set('Output.FlashCompat', true);
-       $config->set('Attr.EnableID', true);
-       if (!defined('MOBILE_VERSION')) {
-               @$config->set('Cache', 'SerializerPath', CACHE_DIR . "/htmlpurifier");
-       } else {
-               @$config->set('Cache', 'SerializerPath', "../" . CACHE_DIR . "/htmlpurifier");
-       }
-
-       $purifier = new HTMLPurifier($config);
+       $purifier = false;
 
        $tz_offset = -1;
        $utc_tz = new DateTimeZone('UTC');
@@ -437,6 +412,10 @@
        function update_rss_feed_real($link, $feed, $ignore_daemon = false, $no_cache = false,
                $override_url = false) {
 
+               require_once "lib/simplepie/simplepie.inc";
+               require_once "lib/magpierss/rss_fetch.inc";
+               require_once 'lib/magpierss/rss_utils.inc';
+
                global $memcache;
 
                $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
@@ -764,6 +743,8 @@
                                if ($feed_hub_url && function_exists('curl_init') &&
                                        !ini_get("open_basedir")) {
 
+                                       require_once 'lib/pubsubhubbub/subscriber.php';
+
                                        $callback_url = get_self_url_prefix() .
                                                "/public.php?op=pubsub&id=$feed";
 
@@ -874,6 +855,8 @@
                                        if (!$entry_content) $entry_content = $item["content"]["encoded"];
                                        if (!$entry_content) $entry_content = $item["content"];
 
+                                       if (is_array($entry_content)) $entry_content = $entry_content[0];
+
                                        // Magpie bugs are getting ridiculous
                                        if (trim($entry_content) == "Array") $entry_content = false;
 
@@ -2273,13 +2256,6 @@
                }
        }
 
-       function toggleEvenOdd($a) {
-               if ($a == "even")
-                       return "odd";
-               else
-                       return "even";
-       }
-
        // Session caching removed due to causing wrong redirects to upgrade
        // script when get_schema_version() is called on an obsolete session
        // created on a previous schema version.
@@ -2297,8 +2273,7 @@
        }
 
        function sanity_check($link) {
-
-               global $ERRORS;
+               require_once 'errors.php';
 
                $error_code = 0;
                $schema_version = get_schema_version($link, true);
@@ -3782,9 +3757,28 @@
 
                $res = trim($str); if (!$res) return '';
 
-//             if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
+               // create global Purifier object if needed
+               if (!$purifier) {
+                       require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
+
+                       $config = HTMLPurifier_Config::createDefault();
+
+                       $allowed = "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4,s,object[classid|type|id|name|width|height|codebase],param[name|value],table,tr,td";
+
+                       $config->set('HTML.SafeObject', true);
+                       @$config->set('HTML', 'Allowed', $allowed);
+                       $config->set('Output.FlashCompat', true);
+                       $config->set('Attr.EnableID', true);
+                       if (!defined('MOBILE_VERSION')) {
+                               @$config->set('Cache', 'SerializerPath', CACHE_DIR . "/htmlpurifier");
+                       } else {
+                               @$config->set('Cache', 'SerializerPath', "../" . CACHE_DIR . "/htmlpurifier");
+                       }
+
+                       $purifier = new HTMLPurifier($config);
+               }
+
                $res = $purifier->purify($res);
-//             }
 
                if (get_pref($link, "STRIP_IMAGES", $owner)) {
                        $res = preg_replace('/<img[^>]+>/is', '', $res);
@@ -3851,6 +3845,8 @@
         */
        function send_headlines_digests($link, $limit = 100) {
 
+               require_once 'lib/phpmailer/class.phpmailer.php';
+
                if (!DIGEST_ENABLE) return false;
 
                $user_limit = DIGEST_EMAIL_LIMIT;
@@ -4512,7 +4508,7 @@
 
        function trim_array($array) {
                $tmp = $array;
-               array_walk($tmp, 'trim_value');
+               array_walk($tmp, 'trim');
                return $tmp;
        }
 
@@ -7093,6 +7089,8 @@
        }
 
        function sphinx_search($query, $offset = 0, $limit = 30) {
+               require_once 'lib/sphinxapi.php';
+
                $sphinxClient = new SphinxClient();
 
                $sphinxClient->SetServer('localhost', 9312);
@@ -7210,6 +7208,9 @@
 
 
        function fetch_twitter_rss($link, $url, $owner_uid) {
+
+               require_once 'lib/tmhoauth/tmhOAuth.php';
+
                $result = db_query($link, "SELECT twitter_oauth FROM ttrss_users
                        WHERE id = $owner_uid");