Added 'login' command that gives you a link that can be used to login to the website

actions/login.php

@@ -79,6 +79,8 @@ class LoginAction extends Action
             $this->clientError(_('Already logged in.'));
         } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
             $this->checkLogin();
+        } else if (isset($args['user_id']) && isset($args['token'])){
+            $this->checkLogin($args['user_id'],$args['token']);
         } else {
             common_ensure_session();
             $this->showForm();
@@ -95,23 +97,48 @@ class LoginAction extends Action
      * @return void
      */
 
-    function checkLogin()
+    function checkLogin($user_id=null, $token=null)
     {
-        // XXX: login throttle
+        if(isset($token) && isset($user_id)){
+            //Token based login (from the LoginCommand)
+            $login_token = Login_token::staticGet('user_id',$user_id);
+            if($login_token && $login_token->token == $token){
+                if($login_token->modified > time()+2*60){
+                    //token has expired
+                    //delete the token as it is useless
+                    $login_token->delete();
+                    $this->showForm(_('Invalid or expired token.'));
+                    return;
+                }else{
+                    //delete the token so it cannot be reused
+                    $login_token->delete();
+                    //it's a valid token - let them log in
+                    $user = User::staticGet('id', $user_id);
+                    //$user = User::staticGet('nickname', "candrews");
+                }
+            }else{
+                $this->showForm(_('Invalid or expired token.'));
+                return;
+            }
+        }else{
+            // Regular form submission login
 
-        // CSRF protection - token set in NoticeForm
+            // XXX: login throttle
-        $token = $this->trimmed('token');
+
-        if (!$token || $token != common_session_token()) {
+            // CSRF protection - token set in NoticeForm
-            $this->clientError(_('There was a problem with your session token. '.
+            $token = $this->trimmed('token');
-                                 'Try again, please.'));
+            if (!$token || $token != common_session_token()) {
-            return;
+                $this->clientError(_('There was a problem with your session token. '.
+                                     'Try again, please.'));
+                return;
+            }
+
+            $nickname = common_canonical_nickname($this->trimmed('nickname'));
+            $password = $this->arg('password');
+
+            $user = common_check_user($nickname, $password);
         }
 
-        $nickname = common_canonical_nickname($this->trimmed('nickname'));
-        $password = $this->arg('password');
-
-        $user = common_check_user($nickname, $password);
-
         if (!$user) {
             $this->showForm(_('Incorrect username or password.'));
             return;

classes/Login_token.php

@@ -0,0 +1,42 @@
+<?php
+/**
+ * Table Definition for group_alias
+ *
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2009, StatusNet, Inc.
+ *
+ * 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/>.
+ */
+
+if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
+
+require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
+
+class Login_token extends Memcached_DataObject
+{
+    ###START_AUTOCODE
+    /* the code below is auto generated do not remove the above tag */
+
+    public $__table = 'login_token';         // table name
+    public $user_id;                         // int(4)  primary_key not_null
+    public $token;                           // char(32)  not_null
+    public $created;                         // datetime()   not_null
+    public $modified;                        // timestamp()   not_null default_CURRENT_TIMESTAMP
+
+    /* Static get */
+    function staticGet($k,$v=NULL) { return DB_DataObject::staticGet('Login_token',$k,$v); }
+
+    /* the code above is auto generated do not remove the tag below */
+    ###END_AUTOCODE
+}

classes/statusnet.ini

@@ -555,3 +555,14 @@ created = 142
 [user_role__keys]
 user_id = K
 role = K
+
+[login_token]
+user_id = 129
+token = 130
+created = 142
+modified = 384
+
+[login_token__keys]
+user_id = K
+token = K
+

db/08to09.sql

@@ -32,3 +32,13 @@ create table user_role (
     constraint primary key (user_id, role)
 
 ) ENGINE=InnoDB CHARACTER SET utf8 COLLATE utf8_bin;
+
+create table login_token (
+    user_id integer not null comment 'user owning this token' references user (id),
+    token char(32) not null comment 'token useable for logging in',
+    created datetime not null comment 'date this record was created',
+    modified timestamp comment 'date this record was modified',
+
+    constraint primary key (user_id)
+) ENGINE=InnoDB CHARACTER SET utf8 COLLATE utf8_bin;
+

db/08to09_pg.sql

@@ -38,3 +38,13 @@ create table user_role (
     primary key (user_id, role)
 
 );
+
+create table login_token (
+    user_id integer not null /* comment 'user owning this token'*/ references user (id),
+    token char(32) not null /* comment 'token useable for logging in'*/,
+    created timestamp not null DEFAULT CURRENT_TIMESTAMP /* comment 'date this record was created'*/,
+    modified timestamp /* comment 'date this record was modified'*/,
+
+    constraint primary key (user_id)
+);
+

db/statusnet.sql

@@ -575,3 +575,13 @@ create table location_namespace (
     modified timestamp comment 'date this record was modified'
 
 ) ENGINE=InnoDB CHARACTER SET utf8 COLLATE utf8_bin;
+
+create table login_token (
+    user_id integer not null comment 'user owning this token' references user (id),
+    token char(32) not null comment 'token useable for logging in',
+    created datetime not null comment 'date this record was created',
+    modified timestamp comment 'date this record was modified',
+
+    constraint primary key (user_id)
+) ENGINE=InnoDB CHARACTER SET utf8 COLLATE utf8_bin;
+

db/statusnet_pg.sql

@@ -569,3 +569,13 @@ create table user_role (
     primary key (user_id, role)
 
 );
+
+create table login_token (
+    user_id integer not null /* comment 'user owning this token'*/ references user (id),
+    token char(32) not null /* comment 'token useable for logging in'*/,
+    created timestamp not null DEFAULT CURRENT_TIMESTAMP /* comment 'date this record was created'*/,
+    modified timestamp /* comment 'date this record was modified'*/,
+
+    constraint primary key (user_id)
+);
+

lib/command.php

@@ -579,6 +579,32 @@ class OnCommand extends Command
     }
 }
 
+class LoginCommand extends Command
+{
+    function execute($channel)
+    {
+        $login_token = Login_token::staticGet('user_id',$this->user->id);
+        if($login_token){
+            $login_token->delete();
+        }
+        $login_token = new Login_token();
+        $login_token->user_id = $this->user->id;
+        $login_token->token = common_good_rand(16);
+        $login_token->created = common_sql_now();
+        $result = $login_token->insert();
+        if (!$result) {
+          common_log_db_error($login_token, 'INSERT', __FILE__);
+          $channel->error($this->user, sprintf(_('Could not create login token for %s'),
+                                       $this->user->nickname));
+          return;
+        }
+        $channel->output($this->user,
+            sprintf(_('This link is useable only once, and is good for only 2 minutes: %s'),
+                    common_local_url('login',
+                        array('user_id'=>$login_token->user_id, 'token'=>$login_token->token))));
+    }
+}
+
 class HelpCommand extends Command
 {
     function execute($channel)
@@ -598,6 +624,7 @@ class HelpCommand extends Command
                            "reply #<notice_id> - reply to notice with a given id\n".
                            "reply <nickname> - reply to the last notice from user\n".
                            "join <group> - join group\n".
+                           "login - Get a link to login to the web interface\n".
                            "drop <group> - leave group\n".
                            "stats - get your stats\n".
                            "stop - same as 'off'\n".

lib/commandinterpreter.php

@@ -41,6 +41,12 @@ class CommandInterpreter
                 return null;
             }
             return new HelpCommand($user);
+         case 'login':
+            if ($arg) {
+                return null;
+            } else {
+                return new LoginCommand($user);
+            }
          case 'on':
             if ($arg) {
                 list($other, $extra) = $this->split_arg($arg);

lib/router.php

@@ -88,6 +88,8 @@ class Router
 
             $m->connect('doc/:title', array('action' => 'doc'));
 
+            $m->connect('main/login?user_id=:user_id&token=:token', array('action'=>'login'), array('user_id'=> '[0-9]+', 'token'=>'.+'));
+
             // main stuff is repetitive
 
             $main = array('login', 'logout', 'register', 'subscribe',