Started to write the code to handle json API

TODO

@@ -1,5 +1,5 @@
 * Don't cache the username
-* JSON output
+* JSON output => do the template
 
 inc/Invoices.class.php :
 ========================
@@ -9,6 +9,7 @@ inc/Invoices.class.php :
 Manage paybacks :
 =================
 * TODO : Payback system (class should be ok)
+* TODO : Global payback
 
 To test :
 =========

inc/Storage.class.php

@@ -228,7 +228,7 @@ class Storage {
 
         foreach($this->fields as $field=>$type) {
             if(isset($this->$field)) {
-                if($fields[$field] == 'date')
+                if($type == 'date')
                     $value = $value->format('Y-m-d H:i:s');
 
                 $query->bindParam(':'.$field, $this->$field);

inc/User.class.php

@@ -3,14 +3,15 @@ require_once('data/config.php');
 require_once('Storage.class.php');
 
 class User extends Storage {
-    protected $id = 0, $login, $display_name, $password, $admin;
+    protected $id = 0, $login, $display_name, $password, $admin, $json_token;
     protected $TABLE_NAME = "Users";
     protected $fields = array(
         'id'=>'key',
         'login'=>'string',
         'display_name'=>'string',
         'password'=>'password',
-        'admin'=>'bool'
+        'admin'=>'bool',
+        'json_token'=>'string',
         );
 
     public function __construct() {
@@ -35,6 +36,10 @@ class User extends Storage {
         return $this->admin;
     }
 
+    public function getJsonToken() {
+        return $this->json_token;
+    }
+
     // Setters
     // =======
     public function setId($id) {
@@ -57,6 +62,10 @@ class User extends Storage {
         $this->admin = (bool) $admin;
     }
 
+    public function setJsonToken($token) {
+        $this->json_token = $token;
+    }
+
     // Password functions
     // ==================
     public function encrypt($text) {
@@ -67,6 +76,12 @@ class User extends Storage {
         return User::encrypt($password) == $this->password;
     }
 
+    // JSON token functions
+    // ====================
+    public function newJsonToken() {
+        $this->json_token = md5(uniqid(mt_rand(), true));
+    }
+
     // Check if a user exists by login and load it
     // ===========================================
     public function exists() {
@@ -83,7 +98,7 @@ class User extends Storage {
     // Session storage
     // ===============
     public function sessionStore() {
-        return serialize(array('id'=>$this->id, 'login'=>$this->login, 'display_name'=>$this->display_name, 'password'=>$this->password, 'admin'=>$this->admin));
+        return serialize(array('id'=>$this->id, 'login'=>$this->login, 'display_name'=>$this->display_name, 'password'=>$this->password, 'admin'=>$this->admin, 'json_token'=>$this->json_token));
     }
 
     public function sessionRestore($data, $serialized = false) {
@@ -97,6 +112,7 @@ class User extends Storage {
         $this->setDisplayName($user_data['display_name']);
         $this->setPassword($user_data['password']);
         $this->setAdmin($user_data['admin']);
+        $this->setJsonToken($user_data['json_token']);
     }
 
     // Check wether a user already exists or not 
@@ -118,6 +134,7 @@ class User extends Storage {
         $this->login = htmlspecialchars($this->login);
         $this->display_name = htmlspecialchars($this->display_name);
         $this->admin = (int) $this->admin;
+        $this->json_token = htmlspecialchars($this->json_token);
 
         return $this;
     }

inc/functions.php

@@ -61,7 +61,7 @@
 
         if ($handle = opendir($dir)) {
             while (false !== ($entry = readdir($handle))) {
-                if ($entry != "." && $entry != ".." && is_dir($dir.$entry)) {
+                if ($entry != "." && $entry != ".." && $entry != 'json' && is_dir($dir.$entry)) {
                     $return[] = array('value'=>$entry, 'option'=>str_replace(array('_en', '_fr'), array(' (English)', ' (French)'), $entry));
                 }
             }

index.php

@@ -20,7 +20,14 @@
     require_once('inc/functions.php');
     require_once('inc/Ban.inc.php');
     require_once('inc/CSRF.inc.php');
+    if(!empty($_GET['json'])) {
+        raintpl::$tpl_dir = 'tpl/json/';
+        $get_redir = 'json=1';
+    }
+    else {
         raintpl::$tpl_dir = TEMPLATE_DIR;
+        $get_redir = '';
+    }
     raintpl::$cache_dir = 'tmp/';
 
     // Define raintpl instance
@@ -57,18 +64,36 @@
     }
     $tpl->assign('current_user', secureDisplay($current_user));
 
+    if(!empty($_GET['json_token'])) {
+        $current_user = new User();
+
+        if($current_user->load(array('json_token'=>$_GET['json_token'], true)) === false) {
+            header('location: index.php?do=connect'.$get_redir);
+            exit();
+        }
+        else {
+            if(!empty($get_redir))
+                $get_redir .= '&';
+
+            $get_redir .= 'json_token='.$_GET['json_token'];
+        }
+    }
+    else {
+        //If json token not available
+        
         // If not connected, redirect to connection page
         if($current_user === false && (empty($_GET['do']) OR $_GET['do'] != 'connect')) {
-        header('location: index.php?do=connect');
+            header('location: index.php?do=connect&'.$get_redir);
             exit();
         }
         
         // If IP has changed, logout
         if($current_user !== false && user_ip() != $_SESSION['ip']) {
             session_destroy();
-        header('location: index.php?do=connect');
+            header('location: index.php?do=connect&'.$get_redir);
             exit();
         }
+    }
 
     // Initialize empty $_GET['do'] if required to avoid error
     if(empty($_GET['do'])) {
@@ -79,7 +104,7 @@
     switch($_GET['do']) {
         case 'connect':
             if($current_user !== false) {
-                header('location: index.php');
+                header('location: index.php?'.$get_redir);
                 exit();
             }
             if(!empty($_POST['login']) && !empty($_POST['password']) && check_token(600, 'connection')) {
@@ -106,7 +131,7 @@
                         session_set_cookie_params($_SESSION['remember_me'], $cookie_dir, $_SERVER['HTTP_HOST']);
                         session_regenerate_id(true);
 
-                        header('location: index.php');
+                        header('location: index.php?'.$get_redir);
                         exit();
                     }
                     else {
@@ -124,7 +149,7 @@
         case 'disconnect':
             $current_user = false;
             session_destroy();
-            header('location: index.php?do=connect');
+            header('location: index.php?do=connect&'.$get_redir);
             exit();
             break;
 
@@ -135,7 +160,7 @@
                         $current_user->setPassword($current_user->encrypt($_POST['password']));
                         $current_user->save();
 
-                        header('location: index.php');
+                        header('location: index.php?'.$get_redir);
                         exit();
                     }
                     else {
@@ -147,6 +172,7 @@
                 }
             }
             $tpl->assign('view', 'password');
+            $tpl->assign('json_token', htmlspecialchars($current_user->getJsonToken()));
             $tpl->assign('token', generate_token('password'));
             $tpl->draw('edit_users');
             break;
@@ -154,7 +180,7 @@
         case 'edit_users':
         case 'add_user':
             if(!$current_user->getAdmin()) {
-                header('location: index.php');
+                header('location: index.php?'.$get_redir);
                 exit();
             }
 
@@ -164,6 +190,9 @@
                     if(!empty($_POST['user_id'])) {
                         $user->setId($_POST['user_id']);
                     }
+                    else {
+                        $user->newJsonToken();
+                    }
                     $user->setLogin($_POST['login']);
                     $user->setDisplayName($_POST['display_name']);
                     if(!empty($_POST['password'])) {
@@ -177,7 +206,7 @@
                         // Clear the cache
                         array_map("unlink", glob(raintpl::$cache_dir."*.rtpl.php"));
 
-                        header('location: index.php?do=edit_users');
+                        header('location: index.php?do=edit_users&'.$get_redir);
                         exit();
                     }
                     else {
@@ -213,6 +242,24 @@
             $tpl->draw('edit_users');
             break;
 
+        case 'new_token':
+            if(!empty($_GET['user_id']) && $current_user->getAdmin()) {
+                $user_id = (int) $_GET['user_id'];
+            }
+            else {
+                $user_id = $current_user->getId();
+            }
+
+            $user = new User();
+            $user = $user->load(array('id'=>$user_id), true);
+            $user->newJsonToken();
+            $user->save();
+            $_SESSION['current_user'] = $user->sessionStore();
+
+            header('location: index.php'.$get_redir);
+            exit();
+            break;
+
         case 'delete_user':
             if($_GET['user_id'] != $current_user->getId()) {
                 $user = new User();
@@ -222,7 +269,7 @@
                 // Clear the cache
                 array_map("unlink", glob(raintpl::$cache_dir."*.rtpl.php"));
 
-                header('location: index.php?do=edit_users');
+                header('location: index.php?do=edit_users&'.$get_redir);
                 exit();
             }
             break;
@@ -234,7 +281,7 @@
                 // Clear the cache
                 array_map("unlink", glob(raintpl::$cache_dir."*.rtpl.php"));
     
-                header('location: index.php');
+                header('location: index.php?'.$get_redir);
                 exit();
             }
 
@@ -286,7 +333,7 @@
                                 // Clear the cache
                                 array_map("unlink", glob(raintpl::$cache_dir."*.rtpl.php"));
 
-                                header('location: index.php');
+                                header('location: index.php?'.$get_redir);
                                 exit();
                             }
                             else {
@@ -366,7 +413,7 @@
                         // Clear the cache
                         array_map("unlink", glob(raintpl::$cache_dir."*.rtpl.php"));
 
-                        header('location: index.php');
+                        header('location: index.php?'.$get_redir);
                         exit();
                     }
                 }
@@ -405,7 +452,7 @@
                 // Clear the cache
                 array_map("unlink", glob(raintpl::$cache_dir."*.rtpl.php"));
 
-                header('location: index.php');
+                header('location: index.php?'.$get_redir);
                 exit();
             }
             break;

tpl/default_en/edit_users.html

@@ -54,6 +54,11 @@
     </p>
 </form>
 
+{if condition="$user_id != -1"}
+    <h2>Personal token for this user</h2>
+    <p>The personal token for this user to be used with the API is : {$user_data->getJsonToken()}.<br/>If you think it might be compromised, you can <a href="index.php?do=new_token&user_id={$user_data->getId()}">generate a new one</a>.</p>
+{/if}
+
 {elseif condition="$view == 'password'"}
 <h2>Edit your password</h2>
 <form method="post" action="index.php?do=password" id="edit_password_form">
@@ -61,4 +66,8 @@
     <p><label for="password_confirm" class="label-block">Confirm new password : </label><input type="password" id="password_confirm" name="password_confirm"/> <a href="" onclick="toggle_password('password_confirm'); return false;"><img src="img/toggleVisible.png" alt="Toggle visible"/></a></p>
     <p class="center"><input type="submit" value="Update"/><input type="hidden" name="token" value="{$token}"</p>
 </form>
+
+<h2>Your personal token to use the API</h2>
+<p>Your personal token to use the API is : {$json_token}.<br/>If you think it might be compromised, you can <a href="index.php?do=new_token">generate a new one</a>.</p>
 {/if}
+{include="footer"}

tpl/json/connection.html

@@ -0,0 +1,5 @@
+{if condition="LANG=='fr'"}
+    Vous devez utiliser votre token unique d'identification pour l'utilisation de l'API JSON. Vous pouvez le trouver dans le menu "Modifier votre mot de passe".
+{else}
+    You must use your unique id token to use JSON API. You can find it under the "Edit password" menu.
+{/if}

tpl/json/edit_users.html

@@ -0,0 +1,62 @@
+{if condition="$error != ''"}
+    <p class="error">{$error}</p>
+{/if}
+
+{if condition="$view == 'list_users'"}
+<h2>List of users</h2>
+<p class="center">You can also <a href="?do=add_user">add a user</a>.</p>
+<table id="edit_users">
+    <tr>
+        <th>Id</th>
+        <th>Login</th>
+        <th>Display Name</th>
+        <th>Is admin ?</th>
+        <th>Edit</th>
+        <th>Delete</th>
+    </tr>
+    {loop="users"}
+    <tr>
+        <td>{$value->getId()}</td>
+        <td>{$value->getLogin()}</td>
+        <td>{$value->getDisplayName()}</td>
+        <td>{$value->getAdmin() ? "Yes" : "No"}</td>
+        <td><a href="index.php?do=edit_users&user_id={$value->getId()}">Edit</a></td>
+        <td>{if condition="$value->getId() != $current_user->getId()"}<a href="index.php?do=delete_user&user_id={$value->getId()}">Delete</a>{/if}</td>
+    </tr>
+    {/loop}
+</table>
+{elseif condition="$view == 'edit_user'"}
+<h2>{$user_id != -1 ? 'Edit' : 'Add'} a user</h2>
+<form method="post" action="index.php?do={$user_id != -1 ? 'edit_users' : 'add_user'}" id="edit_user_form">
+    <p>
+        <label for="login" class="label-block">Login : </label><input type="text" name="login" id="login" {if condition="$login_post != ''"} value="{$login_post}" {else} {$user_id != -1 ? 'value="'.$user_data->getLogin().'"' : ''} {/if}/>
+    </p>
+    <p>
+        <label for="display_name" class="label-block">Displayed name : </label><input type="text" name="display_name" id="display_name" {if condition="$display_name_post != ''"} value="{$display_name_post}" {else} {$user_id != -1 ? 'value="'.$user_data->getDisplayName().'"' : ''} {/if}/>
+    </p>
+    <p>
+        <label for="password" class="label-block">Password : </label><input type="password" name="password" id="password"/>  <a href="" onclick="toggle_password('password'); return false;"><img src="img/toggleVisible.png" alt="Toggle visible"/></a>
+        {if condition="$user_id != -1"}
+            <br/><em>Note :</em> Leave blank this field if you don't want to edit password.
+        {/if}
+    </p>
+    <p id="edit_user_admin_rights">
+        Give admin rights to this user ?<br/>
+    <input type="radio" id="admin_yes" value="1" name="admin" {if condition="$admin_post == 1 || ($admin_post == -1 && $user_id != -1 && $user_data->getAdmin())"} checked{/if}/><label for="admin_yes">Yes</label><br/>
+    <input type="radio" id="admin_no" value="0" name="admin" {if condition="$admin_post == 0 || ($admin_post == -1 && ($user_id == -1 || !$user_data->getAdmin()))"} checked{/if}/><label for="admin_no">No</label>
+    </p>
+    <p class="center">
+        <input type="submit" value="{$user_id != -1 ? 'Edit' : 'Add'}"/>
+        {if condition="$user_id != -1"}<input type="hidden" name="user_id" value="{$user_id}"/>{/if}
+        <input type="hidden" name="token" value="{$token}"/>
+    </p>
+</form>
+
+{elseif condition="$view == 'password'"}
+<h2>Edit your password</h2>
+<form method="post" action="index.php?do=password" id="edit_password_form">
+    <p><label for="password" class="label-block">New password : </label><input type="password" id="password" name="password"/></p>
+    <p><label for="password_confirm" class="label-block">Confirm new password : </label><input type="password" id="password_confirm" name="password_confirm"/> <a href="" onclick="toggle_password('password_confirm'); return false;"><img src="img/toggleVisible.png" alt="Toggle visible"/></a></p>
+    <p class="center"><input type="submit" value="Update"/><input type="hidden" name="token" value="{$token}"</p>
+</form>
+{/if}

tpl/json/index.html

@@ -0,0 +1,54 @@
+{if condition="$notice != ''"}
+    <div id="notice"><p>{$notice}</p></div>
+{/if}
+
+<div id="quick_summary">
+    <h2>Balance</h2>
+    <p class="center">Read <em>line</em> owes <em>case</em> {$currency} to <em>column</em>. You can click on links to confirm the payback.
+    <table id="balance_table"> 
+        <tr>
+            <th>Owes\To</th>
+            {loop="users"}
+            <th>{$value->getDisplayName()}</th>
+            {/loop}
+        </tr>
+        {loop="users"}
+            <tr>
+                <th>{$value->getDisplayName()}</th>
+                {loop="users"}
+                    <td><a href="">{$value->getDisplayName()}</a></td>
+                {/loop}
+            </tr>
+        {/loop}
+    </table>
+</div>
+<div id="detailed_summary">
+    <h2>Detailed list of bills for last month</h2>
+
+    {if condition="count($invoices)>1"}
+        <table id="list_expenses">
+            <tr>
+                <th>Date</th>
+                <th>Paid by</th>
+                <th>Users in</th>
+                <th>Amount</th>
+                <th>What ?</th>
+                <th>Edit</th>
+                <th>Delete</th>
+            </tr>
+            {loop="invoices"}
+                <tr>
+                    <td>{$value->getDate()}</td>
+                    <td>{$value->getBuyer()->getDisplayName()}</td>
+                    <td>{$value->getUsersIn()}</td>
+                    <td>{$value->getAmount()}</td>
+                    <td>{$value->getWhat()}</td>
+                    <td><a href="index.php?do=edit_invoice&id={$value->getId()}">Edit</a></td>
+                    <td><a href="index.php?do=delete_invoice&id={$value->getId()}">Delete</a></td>
+                </tr>
+            {/loop}
+        </table>
+    {else}
+        <p class="center">No bills added.</p>
+    {/if}
+</div>

tpl/json/new_invoice.html

@@ -0,0 +1,52 @@
+{if condition="$error != ''"}
+    <p class="error">{$error}</p>
+{/if}
+
+<h2>Add a bill</h2>
+
+<form method="post" action="index.php?do=new_invoice" id="invoice_form">
+    <fieldset>
+        <legend>Expense</legend>
+        <p>
+            <label for="what">What ? </label>
+        </p>
+        <textarea name="what" id="what" rows="10">{$what_post}</textarea>
+        <p>
+            <label for="amount">Amount : </label>
+            <input type="text" name="amount" id="amount" {if condition="$amount_post != 0"} value="{$amount_post}" {/if} size="5"/> {$currency}
+        </p>
+        <p>
+            <label for="date_day">Date : </label>
+            <select name="date_day" id="date_day">
+                {loop="days"}
+                <option value="{$value}" {if condition="$value == $day_post"}selected{/if}>{$value}</option>
+                {/loop}
+            </select> / 
+            <select name="date_month" id="date_month" onchange="set_days_month_year();">
+                {loop="months"}
+                <option value="{$value}" {if condition="$value == $month_post"}selected{/if}>{$value}</option>
+                {/loop}
+            </select> / 
+            <select name="date_year" id="date_year" onchange="set_days_month_year();">
+                {loop="years"}
+                    <option value="{$value}" {if condition="$value == $year_post"}selected{/if}>{$value}</option>
+                {/loop}
+            </select>
+            <select name="date_hour" id="date_hour">
+                <option value="0" {if condition="$hour_post == 0"}selected{/if}>AM</option>
+                <option value="1" {if condition="$hour_post == 1"}selected{/if}>PM</option>
+            </select>
+        </p>
+    </fieldset>
+    <fieldset>
+        <legend>Users in ?</legend>
+        {loop="users"}
+        <br/><input type="checkbox" name="users_in[]" value="{$value->getId()}" id="users_in_{$value->getId()}" {if condition="$current_user->getId() == $value->getId() || in_array($value->getId(), $users_in)"} checked {/if}/> <label for="users_in_{$value->getId()}">{$value->getDisplayName()}</label> and <input type="text" name="guest_user_{$value->getId()}" id="guest_user_{$value->getId()}" size="1" {if condition="in_array($value->getId(), $users_in)"} value="{$guests[$value->getId()]}" {else} value="0" {/if} onkeyup="guest_user_label({$value->getId()});"/><label for="guest_user_{$value->getId()}" id="guest_user_{$value->getId()}_label"> guest</label>.
+        {/loop}
+    </fieldset>
+    <p class="center">
+        <input type="submit" value="Add"/>
+        {if condition="$id != 0"}<input type="hidden" name="id" value="{$id}"/>{/if}
+        <input type="hidden" name="token" value="{$token}"/>
+    </p>
+</form>

tpl/json/settings.html

@@ -0,0 +1,63 @@
+{if condition="!$show_settings"}
+<h2>Edit homepage notice</h2>
+{if condition="$error"}<p class="error">{$error}</p>{/if}
+<form method="post" id="notice_form" action="index.php?do=edit_notice">
+    <p>
+        <label for="textarea_notice">Homepage notice :</label><br/>
+        <textarea name="notice" rows="15" id="textarea_notice">{$notice}</textarea>
+    </p>
+    <p><em>Note :</em> You can use HTML formatting in this form.</p>
+    <p class="center">
+        <input type="submit" value="Submit"/>
+        <input type="hidden" name="token" value="{$token}"/>
+    </p>
+</form>
+
+{else}
+<h2>Change settings of your Bouffe@Ulm installation</h2>
+{if condition="$error"}<p class="error">{$error}</p>{/if}
+<form method="post" action="index.php?do=settings" id="settings_form">
+    <fieldset>
+        <legend>Database</legend>
+        <p><em>Note :</em> Use these settings carefully. Your database won't be updated by the script as it was during install and you'll have to manually update it.</p>
+        <p><label for="mysql_host">MySQL host : </label><input type="text" name="mysql_host" id="mysql_host" value="{$mysql_host}"/></p>
+
+        <p><label for="mysql_login">MySQL login : </label><input type="text" name="mysql_login" id="mysql_login" value="{$mysql_login}"/></p>
+        <p>
+            <label for="mysql_password">MySQL password : </label><input type="password" name="mysql_password" id="mysql_password"/> <a href="" onclick="toggle_password('mysql_password'); return false;"><img src="img/toggleVisible.png" alt="Toggle visible"/></a><br/>
+            <em>Note :</em> Leave the above field blank if you don't want to change your password.
+        </p>
+        <p>
+            <label for="mysql_db">Name of the MySQL database to use : </label><input type="text" name="mysql_db" id="mysql_db" value="{$mysql_db}"/><br/>
+            <em>Note :</em> You <em>must</em> create this database first.
+        </p>
+        <p>
+            <label for="mysql_prefix">Prefix for the created tables : </label><input type="text" name="mysql_prefix" id="mysql_prefix" value="{$mysql_prefix}"/><br/>
+            <em>Note :</em> Leave the field blank to not use any.</p>
+    </fieldset>
+    <fieldset>
+        <legend>General options</legend>
+        <p><label for="instance_title">Title to display in pages : </label><input type="text" name="instance_title" id="instance_title" value="{$instance_title}"/></p>
+        <p>
+        <label for="base_url">Base URL : </label><input type="text" size="30" name="base_url" id="base_url" value="{$base_url}"/><br/>
+            <em>Note :</em> This is the base URL from which you access this page. You must keep the trailing "/" in the above address.
+        </p>
+        <p><label for="currency">Currency : </label><input type="text" name="currency" id="currency" size="3" value="{$currency}"/></p>
+        <p>
+            <label for="timezone">Timezone : </label><input type="text" name="timezone" id="timezone" value="{$timezone}"/><br/>
+            <em>For example :</em> Europe/Paris. See the doc for more info.
+        </p>
+        <p>
+            <label for="template">Template : </label>
+            <select name="template" id="template">
+                {loop="templates"}
+                <option value="{$value['value']}" {if condition="$value == $current_template"} selected="selected" {/if}>{$value['option']}</option>
+                {/loop}
+            </select
+        </p>
+        <p><label for="email_webmaster">Webmaster's email : </label><input type="text" name="email_webmaster" id="email_webmaster" value="{$email_webmaster}"/></p>
+    </fieldset>
+    <p class="center"><input type="submit" value="Update settings"><input type="hidden" name="token" value="{$token}"/></p>
+</form>
+
+{/if}