X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=index.php;h=eb75585c48d909b63838cff51cf113eae44445b8;hb=9a3f5eaf7d4cd6b16f21e9a5f11278e55107b62f;hp=cbc85accf47e6570cf11e8e18205a2bf5e70ac03;hpb=64628c800d711c3a3c28e2bf94efd7e8b26a5eba;p=friendica.git

diff --git a/index.php b/index.php
index cbc85accf4..eb75585c48 100644
--- a/index.php
+++ b/index.php
@@ -1,5 +1,7 @@
 <?php
 
+error_reporting(E_ERROR | E_WARNING | E_PARSE);
+
 /**
  *
  * Friendika
@@ -19,22 +21,16 @@ $a = new App;
 /**
  *
  * Load the configuration file which contains our DB credentials.
- * Ignore errors. If the file doesn't exist, we are running in installation mode.
+ * Ignore errors. If the file doesn't exist or is empty, we are running in installation mode.
  *
  */
 
-$install = ((file_exists('.htconfig.php')) ? false : true);
+$install = ((file_exists('.htconfig.php') && filesize('.htconfig.php')) ? false : true);
 
 @include(".htconfig.php");
 
-/**
- *
- * Get the language setting directly from system variables, bypassing get_config()
- * as database may not yet be configured.
- *
- */
 
-$lang = ((isset($a->config['system']['language'])) ? $a->config['system']['language'] : 'en');
+$lang = get_language();
 	
 load_translation_table($lang);
 
@@ -64,16 +60,34 @@ $db = new dba($db_host, $db_user, $db_pass, $db_data, $install);
 if(! $install) {
 	require_once("session.php");
 	load_hooks();
+	call_hooks('init_1');
 }
 
+
+
 require_once("datetime.php");
 
-date_default_timezone_set(($default_timezone) ? $default_timezone : 'UTC');
+$a->timezone = (($default_timezone) ? $default_timezone : 'UTC');
+
+date_default_timezone_set($a->timezone);
 
 $a->init_pagehead();
 
 session_start();
 
+/**
+ * Language was set earlier, but we can over-ride it in the session.
+ * We have to do it here because the session was just now opened.
+ */
+
+if(x($_POST,'system_language'))
+	$_SESSION['language'] = $_POST['system_language'];
+if((x($_SESSION,'language')) && ($_SESSION['language'] !== $lang)) {
+	$lang = $_SESSION['language'];
+	load_translation_table($lang);
+}
+
+
 /**
  *
  * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
@@ -97,8 +111,9 @@ if(! x($_SESSION,'sysmsg'))
 	$_SESSION['sysmsg'] = '';
 
 /*
- * check_config() is responible for running update scripts. These automatically 
- * update the DB schema whenever  we push a new one out. 
+ * check_config() is responsible for running update scripts. These automatically 
+ * update the DB schema whenever we push a new one out. It also checks to see if
+ * any plugins have been added or removed and reacts accordingly. 
  */
 
 
@@ -108,9 +123,16 @@ else
 	check_config($a);
 
 
+$arr = array('app_menu' => $a->apps);
+
+call_hooks('app_menu', $arr);
+
+$a->apps = $arr['app_menu'];
+
+
 /**
  *
- * We have already parsed the server path into $->argc and $a->argv
+ * We have already parsed the server path into $a->argc and $a->argv
  *
  * $a->argv[0] is our module name. We will load the file mod/{$a->argv[0]}.php
  * and use it for handling our URL request.
@@ -118,7 +140,7 @@ else
  * and in the following order:
  * 
  * "module"_init
- * "module"_post (only if there are $_POST variables)
+ * "module"_post (only called if there are $_POST variables)
  * "module"_afterpost
  * "module"_content - the string return of this function contains our page body
  *
@@ -127,15 +149,46 @@ else
  * further processing.
  */
 
-
 if(strlen($a->module)) {
-	if(file_exists("mod/{$a->module}.php")) {
-		include("mod/{$a->module}.php");
+
+	/**
+	 *
+	 * We will always have a module name.
+	 * First see if we have a plugin which is masquerading as a module.
+	 *
+	 */
+
+	if(is_array($a->plugins) && in_array($a->module,$a->plugins) && file_exists("addon/{$a->module}/{$a->module}.php")) {
+		include_once("addon/{$a->module}/{$a->module}.php");
+		if(function_exists($a->module . '_module'))
+			$a->module_loaded = true;
+	}
+
+	/**
+	 * If not, next look for a 'standard' program module in the 'mod' directory
+	 */
+
+	if((! $a->module_loaded) && (file_exists("mod/{$a->module}.php"))) {
+		include_once("mod/{$a->module}.php");
 		$a->module_loaded = true;
 	}
-	else {
+
+	/**
+	 *
+	 * The URL provided does not resolve to a valid module.
+	 *
+	 * On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'. 
+	 * We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic - 
+	 * we are going to trap this and redirect back to the requested page. As long as you don't have a critical error on your page
+	 * this will often succeed and eventually do the right thing.
+	 *
+	 * Otherwise we are going to emit a 404 not found.
+	 *
+	 */
+
+	if(! $a->module_loaded) {
 		if((x($_SERVER,'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
-			logger('index.php: dreamhost_error_hack invoked');
+			logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
 			goaway($a->get_baseurl() . $_SERVER['REQUEST_URI']);
 		}
 
@@ -145,6 +198,18 @@ if(strlen($a->module)) {
 	}
 }
 
+
+
+/* initialise content region */
+
+if(! x($a->page,'content'))
+	$a->page['content'] = '';
+
+
+/**
+ * Call module functions
+ */
+
 if($a->module_loaded) {
 	$a->page['page_title'] = $a->module;
 	if(function_exists($a->module . '_init')) {
@@ -166,15 +231,23 @@ if($a->module_loaded) {
 
 	if((! $a->error) && (function_exists($a->module . '_content'))) {
 		$func = $a->module . '_content';
-		if(! x($a->page,'content'))
-			$a->page['content'] = '';
 		$a->page['content'] .= $func($a);
 	}
 
 }
 
+// If you're just visiting, let javascript take you home
+
 if(x($_SESSION,'visitor_home'))
-	$a->page['content'] .= '<script>var homebase="' . $_SESSION['visitor_home'] . '" ; </script>';
+	$homebase = $_SESSION['visitor_home'];
+elseif(local_user())
+	$homebase = $a->get_baseurl() . '/profile/' . $a->user['nickname'];
+
+if(isset($homebase))
+	$a->page['content'] .= '<script>var homebase="' . $homebase . '" ; </script>';
+
+// now that we've been through the module content, see if the page reported
+// a permission problem and if so, a 403 response would seem to be in order.
 
 if(stristr($_SESSION['sysmsg'], t('Permission denied'))) {
 	header($_SERVER["SERVER_PROTOCOL"] . ' 403 ' . t('Permission denied.'));
@@ -192,6 +265,10 @@ if(x($_SESSION,'sysmsg')) {
 	unset($_SESSION['sysmsg']);
 }
 
+
+call_hooks('page_end', $a->page['content']);
+
+
 /**
  *
  * Add a place for the pause/resume Ajax indicator
@@ -207,24 +284,16 @@ $a->page['content'] .=  '<div id="pause"></div>';
  *
  */
 
-if($a->module != 'install')
+if($a->module != 'install') {
 	require_once('nav.php');
+	nav($a);
+}
 
 /**
- *
  * Build the page - now that we have all the components
- * Make sure the desired theme exists, though if the default theme doesn't exist we're stuffed.
- *
  */
-$default_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : 'default');
-if((x($_SESSION,'theme')) && (! file_exists('view/theme/' . $_SESSION['theme'] . '/style.css')))
-	unset($_SESSION['theme']);
-
-$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array(
-	'$stylesheet' => $a->get_baseurl() . '/view/theme/'
-		. ((x($_SESSION,'theme')) ? $_SESSION['theme'] : $default_theme)
-		. '/style.css'
-	));
+
+$a->page['htmlhead'] = replace_macros($a->page['htmlhead'], array('$stylesheet' => current_theme_url()));
 
 $page    = $a->page;
 $profile = $a->profile;