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-rw-r--r--Zotlabs/Web/Router.php200
1 files changed, 200 insertions, 0 deletions
diff --git a/Zotlabs/Web/Router.php b/Zotlabs/Web/Router.php
new file mode 100644
index 000000000..4ae96b5da
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+++ b/Zotlabs/Web/Router.php
@@ -0,0 +1,200 @@
+<?php
+
+namespace Zotlabs\Web;
+
+
+class Router {
+
+ function __construct(&$a) {
+
+ /**
+ *
+ * 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.
+ * The module file contains a few functions that we call in various circumstances
+ * and in the following order:
+ *
+ * "module"_init
+ * "module"_post (only called if there are $_POST variables)
+ * "module"_content - the string return of this function contains our page body
+ *
+ * Modules which emit other serialisations besides HTML (XML,JSON, etc.) should do
+ * so within the module init and/or post functions and then invoke killme() to terminate
+ * further processing.
+ */
+
+ if(strlen($a->module)) {
+
+ /**
+ *
+ * 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'))
+ $a->module_loaded = true;
+ }
+
+ if((strpos($a->module,'admin') === 0) && (! is_site_admin())) {
+ $a->module_loaded = false;
+ notice( t('Permission denied.') . EOL);
+ goaway(z_root());
+ }
+
+ /**
+ * If the site has a custom module to over-ride the standard module, use it.
+ * Otherwise, look for the standard program module in the 'mod' directory
+ */
+
+ if(! $a->module_loaded) {
+ if(file_exists("mod/site/{$a->module}.php")) {
+ include_once("mod/site/{$a->module}.php");
+ $a->module_loaded = true;
+ }
+ elseif(file_exists("mod/{$a->module}.php")) {
+ include_once("mod/{$a->module}.php");
+ $a->module_loaded = true;
+ }
+ }
+
+ /**
+ * This provides a place for plugins to register module handlers which don't otherwise exist on the system.
+ * If the plugin sets 'installed' to true we won't throw a 404 error for the specified module even if
+ * there is no specific module file or matching plugin name.
+ * The plugin should catch at least one of the module hooks for this URL.
+ */
+
+ $x = array('module' => $a->module, 'installed' => false);
+ call_hooks('module_loaded', $x);
+ if($x['installed'])
+ $a->module_loaded = true;
+
+ /**
+ * 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(! $a->module_loaded) {
+
+ // Stupid browser tried to pre-fetch our Javascript img template. Don't log the event or return anything - just quietly exit.
+ if((x($_SERVER, 'QUERY_STRING')) && preg_match('/{[0-9]}/', $_SERVER['QUERY_STRING']) !== 0) {
+ killme();
+ }
+
+ if((x($_SERVER, 'QUERY_STRING')) && ($_SERVER['QUERY_STRING'] === 'q=internal_error.html') && $a->config['system']['dreamhost_error_hack']) {
+ logger('index.php: dreamhost_error_hack invoked. Original URI =' . $_SERVER['REQUEST_URI']);
+ goaway($a->get_baseurl() . $_SERVER['REQUEST_URI']);
+ }
+
+ logger('index.php: page not found: ' . $_SERVER['REQUEST_URI'] . ' ADDRESS: ' . $_SERVER['REMOTE_ADDR'] . ' QUERY: ' . $_SERVER['QUERY_STRING'], LOGGER_DEBUG);
+ header($_SERVER['SERVER_PROTOCOL'] . ' 404 ' . t('Not Found'));
+ $tpl = get_markup_template('404.tpl');
+ $a->page['content'] = replace_macros($tpl, array(
+ '$message' => t('Page not found.')
+ ));
+
+ // pretend this is a module so it will initialise the theme
+ $a->module = '404';
+ $a->module_loaded = true;
+ }
+ }
+ }
+
+
+ function Dispatch(&$a) {
+
+ /**
+ * Call module functions
+ */
+
+ if($a->module_loaded) {
+ $a->page['page_title'] = $a->module;
+ $placeholder = '';
+
+ /**
+ * No theme has been specified when calling the module_init functions
+ * For this reason, please restrict the use of templates to those which
+ * do not provide any presentation details - as themes will not be able
+ * to over-ride them.
+ */
+
+ if(function_exists($a->module . '_init')) {
+ $arr = array('init' => true, 'replace' => false);
+ call_hooks($a->module . '_mod_init', $arr);
+ if(! $arr['replace']) {
+ $func = $a->module . '_init';
+ $func($a);
+ }
+ }
+
+ /**
+ * Do all theme initialiasion here before calling any additional module functions.
+ * The module_init function may have changed the theme.
+ * Additionally any page with a Comanche template may alter the theme.
+ * So we'll check for those now.
+ */
+
+
+ /**
+ * In case a page has overloaded a module, see if we already have a layout defined
+ * otherwise, if a PDL file exists for this module, use it
+ * The member may have also created a customised PDL that's stored in the config
+ */
+
+ load_pdl($a);
+
+ /**
+ * load current theme info
+ */
+
+ $theme_info_file = 'view/theme/' . current_theme() . '/php/theme.php';
+ if (file_exists($theme_info_file)){
+ require_once($theme_info_file);
+ }
+
+ if(function_exists(str_replace('-', '_', current_theme()) . '_init')) {
+ $func = str_replace('-', '_', current_theme()) . '_init';
+ $func($a);
+ }
+ elseif (x($a->theme_info, 'extends') && file_exists('view/theme/' . $a->theme_info['extends'] . '/php/theme.php')) {
+ require_once('view/theme/' . $a->theme_info['extends'] . '/php/theme.php');
+ if(function_exists(str_replace('-', '_', $a->theme_info['extends']) . '_init')) {
+ $func = str_replace('-', '_', $a->theme_info['extends']) . '_init';
+ $func($a);
+ }
+ }
+
+ if(($_SERVER['REQUEST_METHOD'] === 'POST') && (! $a->error)
+ && (function_exists($a->module . '_post'))
+ && (! x($_POST, 'auth-params'))) {
+ call_hooks($a->module . '_mod_post', $_POST);
+ $func = $a->module . '_post';
+ $func($a);
+ }
+
+ if((! $a->error) && (function_exists($a->module . '_content'))) {
+ $arr = array('content' => $a->page['content'], 'replace' => false);
+ call_hooks($a->module . '_mod_content', $arr);
+ $a->page['content'] = $arr['content'];
+ if(! $arr['replace']) {
+ $func = $a->module . '_content';
+ $arr = array('content' => $func($a));
+ }
+ call_hooks($a->module . '_mod_aftercontent', $arr);
+ $a->page['content'] .= $arr['content'];
+ }
+ }
+ }
+
+} \ No newline at end of file