258 lines
8.5 KiB
PHP
258 lines
8.5 KiB
PHP
<?php
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namespace Zotlabs\Web;
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class Router {
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private $modname = '';
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private $controller = null;
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function __construct(&$a) {
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/**
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*
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* We have already parsed the server path into App::$argc and App::$argv
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*
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* App::$argv[0] is our module name. Let's call it 'foo'. We will load the
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* Zotlabs/Module/Foo.php (object) or file mod/foo.php (procedural)
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* and use it for handling our URL request to 'https://ourgreatwebsite.something/foo' .
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* The module file contains a few functions that we call in various circumstances
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* and in the following order:
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*
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* Object:
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* class Foo extends Zotlabs\Web\Controller {
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* function init() { init function }
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* function post() { post function }
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* function get() { normal page function }
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* }
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*
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* Procedual interface:
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* foo_init()
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* foo_post() (only called if there are $_POST variables)
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* foo_content() - the string return of this function contains our page body
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*
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* Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
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* so within the module init and/or post functions and then invoke killme() to terminate
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* further processing.
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*/
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$module = \App::$module;
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$modname = "Zotlabs\\Module\\" . ucfirst($module);
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if(strlen($module)) {
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/**
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*
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* We will always have a module name.
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* First see if we have a plugin which is masquerading as a module.
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*
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*/
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if(is_array(\App::$plugins) && in_array($module,\App::$plugins) && file_exists("addon/{$module}/{$module}.php")) {
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include_once("addon/{$module}/{$module}.php");
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if(class_exists($modname)) {
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$this->controller = new $modname;
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\App::$module_loaded = true;
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}
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elseif(function_exists($module . '_module')) {
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\App::$module_loaded = true;
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}
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}
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if((strpos($module,'admin') === 0) && (! is_site_admin())) {
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\App::$module_loaded = false;
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notice( t('Permission denied.') . EOL);
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goaway(z_root());
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}
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/**
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* If the site has a custom module to over-ride the standard module, use it.
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* Otherwise, look for the standard program module
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*/
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if(! (\App::$module_loaded)) {
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try {
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$filename = 'Zotlabs/SiteModule/'. ucfirst($module). '.php';
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if(file_exists($filename)) {
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// This won't be picked up by the autoloader, so load it explicitly
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require_once($filename);
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$this->controller = new $modname;
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\App::$module_loaded = true;
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}
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else {
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$filename = 'Zotlabs/Module/'. ucfirst($module). '.php';
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if(file_exists($filename)) {
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$this->controller = new $modname;
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\App::$module_loaded = true;
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}
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}
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if(! \App::$module_loaded)
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throw new \Exception('Module not found');
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}
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catch(\Exception $e) {
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if(file_exists("mod/site/{$module}.php")) {
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include_once("mod/site/{$module}.php");
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\App::$module_loaded = true;
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}
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elseif(file_exists("mod/{$module}.php")) {
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include_once("mod/{$module}.php");
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\App::$module_loaded = true;
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}
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}
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}
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/**
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* This provides a place for plugins to register module handlers which don't otherwise exist
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* on the system, or to completely over-ride an existing module.
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* If the plugin sets 'installed' to true we won't throw a 404 error for the specified module even if
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* there is no specific module file or matching plugin name.
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* The plugin should catch at least one of the module hooks for this URL.
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*/
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$x = array('module' => $module, 'installed' => \App::$module_loaded, 'controller' => $this->controller);
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call_hooks('module_loaded', $x);
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if($x['installed']) {
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\App::$module_loaded = true;
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$this->controller = $x['controller'];
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}
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/**
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* The URL provided does not resolve to a valid module.
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*
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* On Dreamhost sites, quite often things go wrong for no apparent reason and they send us to '/internal_error.html'.
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* We don't like doing this, but as it occasionally accounts for 10-20% or more of all site traffic -
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* we are going to trap this and redirect back to the requested page. As long as you don't have a critical error on your page
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* this will often succeed and eventually do the right thing.
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*
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* Otherwise we are going to emit a 404 not found.
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*/
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if(! (\App::$module_loaded)) {
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// Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
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if((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
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killme();
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}
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logger("Module {$module} not found.", LOGGER_DEBUG, LOG_WARNING);
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if((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && \App::$config['system']['dreamhost_error_hack']) {
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logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
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goaway(z_root() . $_SERVER['REQUEST_URI']);
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}
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logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
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header($_SERVER['SERVER_PROTOCOL'] . ' 404 ' . t('Not Found'));
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$tpl = get_markup_template('404.tpl');
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\App::$page['content'] = replace_macros($tpl, array(
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'$message' => t('Page not found.')
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));
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// pretend this is a module so it will initialise the theme
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\App::$module = '404';
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\App::$module_loaded = true;
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}
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}
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}
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function Dispatch(&$a) {
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/**
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* Call module functions
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*/
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if(\App::$module_loaded) {
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\App::$page['page_title'] = \App::$module;
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$placeholder = '';
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/**
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* No theme has been specified when calling the module_init functions
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* For this reason, please restrict the use of templates to those which
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* do not provide any presentation details - as themes will not be able
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* to over-ride them.
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*/
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$arr = array('init' => true, 'replace' => false);
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call_hooks(\App::$module . '_mod_init', $arr);
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if(! $arr['replace']) {
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if($this->controller && method_exists($this->controller,'init')) {
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$this->controller->init();
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}
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elseif(function_exists(\App::$module . '_init')) {
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$func = \App::$module . '_init';
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$func($a);
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}
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}
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/**
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* Do all theme initialisation here before calling any additional module functions.
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* The module_init function may have changed the theme.
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* Additionally any page with a Comanche template may alter the theme.
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* So we'll check for those now.
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*/
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/**
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* In case a page has overloaded a module, see if we already have a layout defined
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* otherwise, if a PDL file exists for this module, use it
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* The member may have also created a customised PDL that's stored in the config
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*/
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load_pdl($a);
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/**
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* load current theme info
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*/
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$current_theme = \Zotlabs\Render\Theme::current();
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$theme_info_file = 'view/theme/' . $current_theme[0] . '/php/theme.php';
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if (file_exists($theme_info_file)){
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require_once($theme_info_file);
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}
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if(function_exists(str_replace('-', '_', $current_theme[0]) . '_init')) {
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$func = str_replace('-', '_', $current_theme[0]) . '_init';
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$func($a);
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}
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elseif (x(\App::$theme_info, 'extends') && file_exists('view/theme/' . \App::$theme_info['extends'] . '/php/theme.php')) {
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require_once('view/theme/' . \App::$theme_info['extends'] . '/php/theme.php');
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if(function_exists(str_replace('-', '_', \App::$theme_info['extends']) . '_init')) {
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$func = str_replace('-', '_', \App::$theme_info['extends']) . '_init';
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$func($a);
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}
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}
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if(($_SERVER['REQUEST_METHOD'] === 'POST') && (! \App::$error) && (! x($_POST, 'auth-params'))) {
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call_hooks(\App::$module . '_mod_post', $_POST);
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if($this->controller && method_exists($this->controller,'post')) {
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$this->controller->post();
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}
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elseif(function_exists(\App::$module . '_post')) {
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$func = \App::$module . '_post';
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$func($a);
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}
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}
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if(! \App::$error) {
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$arr = array('content' => \App::$page['content'], 'replace' => false);
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call_hooks(\App::$module . '_mod_content', $arr);
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\App::$page['content'] = $arr['content'];
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if(! $arr['replace']) {
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if($this->controller && method_exists($this->controller,'get')) {
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$arr = array('content' => $this->controller->get());
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}
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elseif(function_exists(\App::$module . '_content')) {
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$func = \App::$module . '_content';
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$arr = array('content' => $func($a));
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}
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}
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call_hooks(\App::$module . '_mod_aftercontent', $arr);
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\App::$page['content'] .= $arr['content'];
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}
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}
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}
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} |