From 7b9e69eb8923ef3018f0ce3e6042d9901ed16abd Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@controlyourself.ca>
Date: Tue, 10 Feb 2009 22:32:38 -0500
Subject: integrate URL routing into core code

---
 index.php | 124 ++++++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 80 insertions(+), 44 deletions(-)

(limited to 'index.php')

diff --git a/index.php b/index.php
index e62d9469a..f334e2c34 100644
--- a/index.php
+++ b/index.php
@@ -22,69 +22,105 @@ define('LACONICA', true);
 
 require_once INSTALLDIR . '/lib/common.php';
 
-// XXX: we need a little more structure in this script
+$user = null;
+$action = null;
+
+function getPath($req) {
+    if (common_config('site', 'fancy')) {
+        return $req['p'];
+    } else if ($_SERVER['PATH_INFO']) {
+        return $_SERVER['PATH_INFO'];
+    } else {
+        return $req['p'];
+    }
+}
 
-// get and cache current user
+function main() {
 
-$user = common_current_user();
+    global $user, $action;
 
-// initialize language env
+    // XXX: we need a little more structure in this script
 
-common_init_language();
+    // get and cache current user
 
-$action = $_REQUEST['action'];
+    $user = common_current_user();
 
-if (!$action || !preg_match('/^[a-zA-Z0-9_-]*$/', $action)) {
-    common_redirect(common_local_url('public'));
-}
+    // initialize language env
 
-// If the site is private, and they're not on one of the "public"
-// parts of the site, redirect to login
+    common_init_language();
 
-if (!$user && common_config('site', 'private') &&
-    !in_array($action, array('login', 'openidlogin', 'finishopenidlogin',
-                             'recoverpassword', 'api', 'doc', 'register'))) {
-    common_redirect(common_local_url('login'));
-}
+    $path = getPath($_REQUEST);
+
+    $r = new Router();
 
-$action_class = ucfirst($action).'Action';
+    $args = $r->map($path);
 
-if (!class_exists($action_class)) {
-    $cac = new ClientErrorAction(_('Unknown action'), 404);
-    $cac->showPage();
-} else {
-    $action_obj = new $action_class();
+    if (!$args) {
+        $cac = new ClientErrorAction(_('Unknown page'), 404);
+        $cac->showPage();
+        return;
+    }
 
-    // XXX: find somewhere for this little block to live
+    $args = array_merge($args, $_REQUEST);
 
-    if ($config['db']['mirror'] && $action_obj->isReadOnly()) {
-        if (is_array($config['db']['mirror'])) {
-            // "load balancing", ha ha
-            $k = array_rand($config['db']['mirror']);
+    $action = $args['action'];
 
-            $mirror = $config['db']['mirror'][$k];
-        } else {
-            $mirror = $config['db']['mirror'];
-        }
-        $config['db']['database'] = $mirror;
+    if (!$action || !preg_match('/^[a-zA-Z0-9_-]*$/', $action)) {
+        common_redirect(common_local_url('public'));
+        return;
     }
 
-    try {
-        if ($action_obj->prepare($_REQUEST)) {
-            $action_obj->handle($_REQUEST);
-        }
-    } catch (ClientException $cex) {
-        $cac = new ClientErrorAction($cex->getMessage(), $cex->getCode());
+    // If the site is private, and they're not on one of the "public"
+    // parts of the site, redirect to login
+
+    if (!$user && common_config('site', 'private') &&
+        !in_array($action, array('login', 'openidlogin', 'finishopenidlogin',
+                                 'recoverpassword', 'api', 'doc', 'register'))) {
+        common_redirect(common_local_url('login'));
+        return;
+    }
+
+    $action_class = ucfirst($action).'Action';
+
+    if (!class_exists($action_class)) {
+        $cac = new ClientErrorAction(_('Unknown action'), 404);
         $cac->showPage();
-    } catch (ServerException $sex) { // snort snort guffaw
-        $sac = new ServerErrorAction($sex->getMessage(), $sex->getCode());
-        $sac->showPage();
-    } catch (Exception $ex) {
-        $sac = new ServerErrorAction($ex->getMessage());
-        $sac->showPage();
+    } else {
+        $action_obj = new $action_class();
+
+        // XXX: find somewhere for this little block to live
+
+        if ($config['db']['mirror'] && $action_obj->isReadOnly()) {
+            if (is_array($config['db']['mirror'])) {
+                // "load balancing", ha ha
+                $k = array_rand($config['db']['mirror']);
+
+                $mirror = $config['db']['mirror'][$k];
+            } else {
+                $mirror = $config['db']['mirror'];
+            }
+            $config['db']['database'] = $mirror;
+        }
+
+        try {
+            if ($action_obj->prepare($args)) {
+                $action_obj->handle($args);
+            }
+        } catch (ClientException $cex) {
+            $cac = new ClientErrorAction($cex->getMessage(), $cex->getCode());
+            $cac->showPage();
+        } catch (ServerException $sex) { // snort snort guffaw
+            $sac = new ServerErrorAction($sex->getMessage(), $sex->getCode());
+            $sac->showPage();
+        } catch (Exception $ex) {
+            $sac = new ServerErrorAction($ex->getMessage());
+            $sac->showPage();
+        }
     }
 }
 
+main();
+
 // XXX: cleanup exit() calls or add an exit handler so
 // this always gets called
 
-- 
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