X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;ds=sidebyside;f=index.php;h=ae6a578cb4a68bb9b1b6c02b6e6a675643ed4fb7;hb=c0128432825416929b00d0fa9563f2d1f92e9ba3;hp=ec7d6e31f2e88e9b91c6ea27749f94a995d5fa57;hpb=af48dbec7f87a75a66f79887b6d2419b661e263d;p=friendica.git

diff --git a/index.php b/index.php
index ec7d6e31f2..ae6a578cb4 100644
--- a/index.php
+++ b/index.php
@@ -1,35 +1,95 @@
 <?php
 
-require_once("boot.php");
+/**
+ *
+ * Friendika
+ *
+ */
 
-$a = new App;
+/**
+ *
+ * bootstrap the application
+ *
+ */
+
+require_once('boot.php');
 
-$debug_text = ''; // Debugging functions should never be used on production systems.
+$a = new App;
 
-// Setup the language and database.
+/**
+ *
+ * Load the configuration file which contains our DB credentials.
+ * Ignore errors. If the file doesn't exist, we are running in installation mode.
+ *
+ */
 
 $install = ((file_exists('.htconfig.php')) ? false : true);
 
 @include(".htconfig.php");
 
-if(isset($lang) && strlen($lang))
-	load_translation_table($lang);
+/**
+ *
+ * Get the language setting directly from system variables, bypassing get_config()
+ * as database may not yet be configured.
+ *
+ */
+
+$lang = ((isset($a->config['system']['language'])) ? $a->config['system']['language'] : 'en');
+	
+load_translation_table($lang);
+
+/**
+ *
+ * Try to open the database;
+ *
+ */
 
 require_once("dba.php");
 $db = new dba($db_host, $db_user, $db_pass, $db_data, $install);
         unset($db_host, $db_user, $db_pass, $db_data);
 
-if(! $install)
+
+/**
+ *
+ * Important stuff we always need to do.
+ * Initialise authentication and  date and time. 
+ * Create the HTML head for the page, even if we may not use it (xml, etc.)
+ * The order of these may be important so use caution if you think they're all
+ * intertwingled with no logical order and decide to sort it out. Some of the
+ * dependencies have changed, but at least at one time in the recent past - the 
+ * order was critical to everything working properly
+ *
+ */
+
+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();
 
+/**
+ *
+ * For Mozilla auth manager - still needs sorting, and this might conflict with LRDD header.
+ * Apache/PHP lumps the Link: headers into one - and other services might not be able to parse it
+ * this way. There's a PHP flag to link the headers because by default this will over-write any other 
+ * link header. 
+ *
+ * What we really need to do is output the raw headers ourselves so we can keep them separate.
+ *
+ */
+ 
 // header('Link: <' . $a->get_baseurl() . '/amcd>; rel="acct-mgmt";');
 
 if((x($_SESSION,'authenticated')) || (x($_POST,'auth-params')) || ($a->module === 'login'))
@@ -41,28 +101,71 @@ if(! x($_SESSION,'authenticated'))
 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. 
+ */
+
+
 if($install)
 	$a->module = 'install';
 else
 	check_config($a);
 
+
+/**
+ *
+ * We have already parsed the server path into $->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.
+ * The module file contains a few functions that we call in various circumstances
+ * and in the following order:
+ * 
+ * "module"_init
+ * "module"_post (only if there are $_POST variables)
+ * "module"_afterpost
+ * "module"_content - the string return of this function contains our page body
+ *
+ * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do 
+ * so within the module init and/or post functions and then invoke killme() to terminate
+ * further processing.
+ */
+
+
 if(strlen($a->module)) {
 	if(file_exists("mod/{$a->module}.php")) {
 		include("mod/{$a->module}.php");
 		$a->module_loaded = true;
 	}
 	else {
+		if((x($_SERVER,'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && isset($dreamhost_error_hack)) {
+			logger('index.php: dreamhost_error_hack invoked');
+			goaway($a->get_baseurl() . $_SERVER['REQUEST_URI']);
+		}
+
+		logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
 		header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
 		notice( t('Page not found.' ) . EOL);
 	}
 }
 
+/* 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')) {
 		$func = $a->module . '_init';
 		$func($a);
-    	}
+	}
 
 	if(($_SERVER['REQUEST_METHOD'] === 'POST') && (! $a->error)
 		&& (function_exists($a->module . '_post'))
@@ -78,18 +181,33 @@ 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);
 	}
 
 }
 
+// let javascript take you home
+
+if(x($_SESSION,'visitor_home'))
+	$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.'));
 }
 
-// report anything important happening
+/**
+ *
+ * Report anything which needs to be communicated in the notification area (before the main body)
+ *
+ */
 	
 if(x($_SESSION,'sysmsg')) {
 	$a->page['content'] = "<div id=\"sysmsg\" class=\"error-message\">{$_SESSION['sysmsg']}</div>\r\n"
@@ -98,33 +216,46 @@ if(x($_SESSION,'sysmsg')) {
 }
 
 
-// Feel free to comment out this line on production sites.
-$a->page['content'] .= $debug_text;
+call_hooks('page_end', $a->page['content']);
+
+
+/**
+ *
+ * Add a place for the pause/resume Ajax indicator
+ *
+ */
 
 $a->page['content'] .=  '<div id="pause"></div>';
-// build page
 
 
-// Navigation (menu) template
+/**
+ *
+ * Add the navigation (menu) template
+ *
+ */
+
 if($a->module != 'install')
-	require_once("nav.php");
+	require_once('nav.php');
 
-// make sure the desired theme exists, though if the default theme doesn't exist we're stuffed.
+/**
+ *
+ * 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')) ? $_SESSION['theme'] : 'default')
+		. ((x($_SESSION,'theme')) ? $_SESSION['theme'] : $default_theme)
 		. '/style.css'
 	));
 
 $page    = $a->page;
 $profile = $a->profile;
-$lang    = get_config('system','language');
-if($lang === false)
-	$lang = 'en';
 
 header("Content-type: text/html; charset=utf-8");