Merge branch '0.9-release'

* 0.9-release: (874 commits)
  Removed call to NewDirectMessage() until IE return is fixed i.e.,
  Don't show flag user button your own profile
  Fixed HXR response for flag user
  Using the right form class name
  Using common_redirect
  Left a form_data class of a <ul> in the user admin panel
  Added validation to fields in user admin panel
  Added a user admin panel
  Added mobile logos for default and identica themes
  Changed gif to png
  Changed this to action. THANKS zach!
  Doing content negotiation only once
  Add execute bit to pingqueuehandler
  Localisation updates for !StatusNet from !translatewiki.net
  Use the browser's geolocation API to set the location on the notice form
  Add geometa library, and include it.
  Add location form elements to the noticeform, and save their values on submission
  Use the $user object nickname, as login name doesnt have to == nickname anymore with plugins such as ldap/etc
  Revert "Re added NICKNAME_FMT constant to router.php."
  Moved most path and server settings to a new paths admin panel
  ...

Conflicts:
	js/util.js
	locale/it_IT/LC_MESSAGES/statusnet.mo
	locale/mk_MK/LC_MESSAGES/statusnet.mo
	locale/mk_MK/LC_MESSAGES/statusnet.po
	locale/pt_BR/LC_MESSAGES/statusnet.mo
	locale/vi_VN/LC_MESSAGES/statusnet.mo
	plugins/InfiniteScroll/infinitescroll.js
	plugins/Realtime/realtimeupdate.js

1 files changed, 217 insertions, 0 deletions

diff --git a/plugins/Authentication/AuthenticationPlugin.php b/plugins/Authentication/AuthenticationPlugin.php
new file mode 100644
index 000000000..cd1de1149
--- /dev/null
+++ b/plugins/Authentication/AuthenticationPlugin.php
@@ -0,0 +1,217 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Superclass for plugins that do authentication
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Plugin
+ * @package   StatusNet
+ * @author    Craig Andrews <candrews@integralblue.com>
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET') && !defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Superclass for plugins that do authentication
+ *
+ * @category Plugin
+ * @package  StatusNet
+ * @author   Craig Andrews <candrews@integralblue.com>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://status.net/
+ */
+
+abstract class AuthenticationPlugin extends Plugin
+{
+    //is this plugin authoritative for authentication?
+    public $authoritative = false;
+    
+    //should accounts be automatically created after a successful login attempt?
+    public $autoregistration = false;
+
+    //can the user change their email address
+    public $password_changeable=true;
+
+    //unique name for this authentication provider
+    public $provider_name;
+
+    //------------Auth plugin should implement some (or all) of these methods------------\\
+    /**
+    * Check if a nickname/password combination is valid
+    * @param username
+    * @param password
+    * @return boolean true if the credentials are valid, false if they are invalid.
+    */
+    function checkPassword($username, $password)
+    {
+        return false;
+    }
+
+    /**
+    * Automatically register a user when they attempt to login with valid credentials.
+    * User::register($data) is a very useful method for this implementation
+    * @param username
+    * @return mixed instance of User, or false (if user couldn't be created)
+    */
+    function autoRegister($username)
+    {
+        $registration_data = array();
+        $registration_data['nickname'] = $username ;
+        return User::register($registration_data);
+    }
+
+    /**
+    * Change a user's password
+    * The old password has been verified to be valid by this plugin before this call is made
+    * @param username
+    * @param oldpassword
+    * @param newpassword
+    * @return boolean true if the password was changed, false if password changing failed for some reason
+    */
+    function changePassword($username,$oldpassword,$newpassword)
+    {
+        return false;
+    }
+
+    //------------Below are the methods that connect StatusNet to the implementing Auth plugin------------\\
+    function onInitializePlugin(){
+        if(!isset($this->provider_name)){
+            throw new Exception("must specify a provider_name for this authentication provider");
+        }
+    }
+
+    function onStartCheckPassword($nickname, $password, &$authenticatedUser){
+        //map the nickname to a username
+        $user_username = new User_username();
+        $user_username->username=$nickname;
+        $user_username->provider_name=$this->provider_name;
+        if($user_username->find() && $user_username->fetch()){
+            $username = $user_username->username;
+            $authenticated = $this->checkPassword($username, $password);
+            if($authenticated){
+                $authenticatedUser = User::staticGet('id', $user_username->user_id);
+                return false;
+            }
+        }else{
+            $user = User::staticGet('nickname', $nickname);
+            if($user){
+                //make sure a different provider isn't handling this nickname
+                $user_username = new User_username();
+                $user_username->username=$nickname;
+                if(!$user_username->find()){
+                    //no other provider claims this username, so it's safe for us to handle it
+                    $authenticated = $this->checkPassword($nickname, $password);
+                    if($authenticated){
+                        $authenticatedUser = User::staticGet('nickname', $nickname);
+                        User_username::register($authenticatedUser,$nickname,$this->provider_name);
+                        return false;
+                    }
+                }
+            }else{
+                if($this->autoregistration){
+                    $authenticated = $this->checkPassword($nickname, $password);
+                    if($authenticated){
+                        $user = $this->autoregister($nickname);
+                        if($user){
+                            $authenticatedUser = $user;
+                            User_username::register($authenticatedUser,$nickname,$this->provider_name);
+                            return false;
+                        }
+                    }
+                }
+            }
+        }
+        if($this->authoritative){
+            return false;
+        }else{
+            //we're not authoritative, so let other handlers try
+            return;
+        }
+    }
+
+    function onStartChangePassword($user,$oldpassword,$newpassword)
+    {
+        if($this->password_changeable){
+            $user_username = new User_username();
+            $user_username->user_id=$user->id;
+            $user_username->provider_name=$this->provider_name;
+            if($user_username->find() && $user_username->fetch()){
+                $authenticated = $this->checkPassword($user_username->username, $oldpassword);
+                if($authenticated){
+                    $result = $this->changePassword($user_username->username,$oldpassword,$newpassword);
+                    if($result){
+                        //stop handling of other handlers, because what was requested was done
+                        return false;
+                    }else{
+                        throw new Exception(_('Password changing failed'));
+                    }
+                }else{
+                    if($this->authoritative){
+                        //since we're authoritative, no other plugin could do this
+                        throw new Exception(_('Password changing failed'));
+                    }else{
+                        //let another handler try
+                        return null;
+                    }
+                }
+            }
+        }else{
+            if($this->authoritative){
+                //since we're authoritative, no other plugin could do this
+                throw new Exception(_('Password changing is not allowed'));
+            }
+        }
+    }
+
+    function onStartAccountSettingsPasswordMenuItem($widget)
+    {
+        if($this->authoritative && !$this->password_changeable){
+            //since we're authoritative, no other plugin could change passwords, so do not render the menu item
+            return false;
+        }
+    }
+
+    function onAutoload($cls)
+    {
+        switch ($cls)
+        {
+         case 'User_username':
+            require_once(INSTALLDIR.'/plugins/Authentication/User_username.php');
+            return false;
+         default:
+            return true;
+        }
+    }
+
+    function onCheckSchema() {
+        $schema = Schema::get();
+        $schema->ensureDataObject('User_username');
+        return true;
+    }
+
+    function onUserDeleteRelated($user, &$tables)
+    {
+        $tables[] = 'User_username';
+        return true;
+    }
+}
+