Add the possibility to link a Google Account or a Mozilla Account to Miniflux

assets/js/app.js

@@ -464,6 +464,29 @@
     }
 
 
+    function mozilla_auth(action)
+    {
+        navigator.id.watch({
+            onlogin: function(assertion) {
+
+                var xhr = new XMLHttpRequest();
+                xhr.open("POST", "?action=" + action, true);
+                xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+                xhr.setRequestHeader("Connection", "close");
+
+                xhr.onload = function () {
+                    window.location.href = this.responseText;
+                };
+
+                xhr.send("token=" + assertion);
+            },
+            onlogout: function() {}
+        });
+
+        navigator.id.request();
+    }
+
+
     document.onclick = function(e) {
 
         var action = e.target.getAttribute("data-action");
@@ -502,6 +525,14 @@
                     e.preventDefault();
                     download_item();
                     break;
+                case 'mozilla-login':
+                    e.preventDefault();
+                    mozilla_auth("mozilla-auth");
+                    break;
+                case 'mozilla-link':
+                    e.preventDefault();
+                    mozilla_auth("mozilla-link");
+                    break;
             }
         }
     };

index.php

@@ -23,8 +23,9 @@ Session\open(dirname($_SERVER['PHP_SELF']));
 // Called before each action
 Router\before(function($action) {
 
-    if ($action !== 'login' && ! isset($_SESSION['user'])) {
+    $ignore_actions = array('login', 'google-auth', 'google-redirect-auth', 'mozilla-auth');
 
+    if (! isset($_SESSION['user']) && ! in_array($action, $ignore_actions)) {
         Response\redirect('?action=login');
     }
 
@@ -33,10 +34,13 @@ Router\before(function($action) {
     if ($language !== 'en_US') PicoTools\Translator\load($language);
 
     // HTTP secure headers
+    $frame_src = \PicoFeed\Filter::$iframe_whitelist;
+    $frame_src[] = 'https://login.persona.org';
+
     Response\csp(array(
         'media-src' => '*',
         'img-src' => '*',
-        'frame-src' => \PicoFeed\Filter::$iframe_whitelist
+        'frame-src' => $frame_src
     ));
 
     Response\xframe();
@@ -56,9 +60,11 @@ Router\get_action('logout', function() {
 // Display form login
 Router\get_action('login', function() {
 
-    if (isset($_SESSION['user'])) Response\redirect('index.php');
+    if (isset($_SESSION['user'])) Response\redirect('?action=unread');
 
     Response\html(Template\load('login', array(
+        'google_auth_enable' => Model\get_config_value('auth_google_token') !== '',
+        'mozilla_auth_enable' => Model\get_config_value('auth_mozilla_token') !== '',
         'errors' => array(),
         'values' => array()
     )));
@@ -74,6 +80,8 @@ Router\post_action('login', function() {
     if ($valid) Response\redirect('?action=unread');
 
     Response\html(Template\load('login', array(
+        'google_auth_enable' => Model\get_config_value('auth_google_token') !== '',
+        'mozilla_auth_enable' => Model\get_config_value('auth_mozilla_token') !== '',
         'errors' => $errors,
         'values' => $values
     )));
@@ -658,6 +666,117 @@ Router\post_action('config', function() {
 });
 
 
+// Link to a Google Account (redirect)
+Router\get_action('google-redirect-link', function() {
+
+    require 'vendor/PicoTools/AuthProvider.php';
+    Response\Redirect(AuthProvider\google_get_url(Helper\get_current_base_url(), '?action=google-link'));
+});
+
+
+// Link to a Google Account (association)
+Router\get_action('google-link', function() {
+
+    require 'vendor/PicoTools/AuthProvider.php';
+
+    list($valid, $token) = AuthProvider\google_validate();
+
+    if ($valid) {
+        Model\save_auth_token('google', $token);
+        Session\flash(t('Your Google Account is linked to Miniflux.'));
+    }
+    else {
+        Session\flash_error(t('Unable to link Miniflux to your Google Account.'));
+    }
+
+    Response\redirect('?action=config');
+});
+
+
+// Authenticate with a Google Account (redirect)
+Router\get_action('google-redirect-auth', function() {
+
+    require 'vendor/PicoTools/AuthProvider.php';
+    Response\Redirect(AuthProvider\google_get_url(Helper\get_current_base_url(), '?action=google-auth'));
+});
+
+
+// Authenticate with a Google Account (callback url)
+Router\get_action('google-auth', function() {
+
+    require 'vendor/PicoTools/AuthProvider.php';
+
+    list($valid, $token) = AuthProvider\google_validate();
+
+    if ($valid && $token === Model\get_config_value('auth_google_token')) {
+
+        $_SESSION['user'] = array(
+            'username' => Model\get_config_value('username'),
+            'language' => Model\get_config_value('language'),
+        );
+
+        Response\redirect('?action=unread');
+    }
+    else {
+
+        Response\html(Template\load('login', array(
+            'google_auth_enable' => Model\get_config_value('auth_google_token') !== '',
+            'mozilla_auth_enable' => Model\get_config_value('auth_mozilla_token') !== '',
+            'errors' => array('login' => t('Unable to authenticate with Google')),
+            'values' => array()
+        )));
+    }
+});
+
+
+// Authenticate with a Mozilla Persona (ajax check)
+Router\post_action('mozilla-auth', function() {
+
+    require 'vendor/PicoTools/AuthProvider.php';
+
+    list($valid, $token) = AuthProvider\mozilla_validate(Request\value('token'));
+
+    if ($valid && $token === Model\get_config_value('auth_mozilla_token')) {
+
+        $_SESSION['user'] = array(
+            'username' => Model\get_config_value('username'),
+            'language' => Model\get_config_value('language'),
+        );
+
+        Response\text('?action=unread');
+    }
+    else {
+        Response\text("?action=login");
+    }
+});
+
+
+// Link Miniflux to a Mozilla Account (ajax check)
+Router\post_action('mozilla-link', function() {
+
+    require 'vendor/PicoTools/AuthProvider.php';
+
+    list($valid, $token) = AuthProvider\mozilla_validate(Request\value('token'));
+
+    if ($valid) {
+        Model\save_auth_token('mozilla', $token);
+        Session\flash(t('Your Mozilla Persona Account is linked to Miniflux.'));
+    }
+    else {
+        Session\flash_error(t('Unable to link Miniflux to your Mozilla Persona Account.'));
+    }
+
+    Response\text("?action=config");
+});
+
+
+// Remove account link
+Router\get_action('unlink-account-provider', function() {
+    Model\remove_auth_token(Request\param('type'));
+    Response\redirect('?action=config');
+});
+
+
 // Display unread items
 Router\notfound(function() {
 
@@ -665,7 +784,7 @@ Router\notfound(function() {
 
     $offset = Request\int_param('offset', 0);
     $items = Model\get_items('unread', $offset, Model\get_config_value('items_per_page'));
-    $nb_items = Model\count_items('unread');;
+    $nb_items = Model\count_items('unread');
 
     if ($nb_items === 0) Response\redirect('?action=feeds&nothing_to_read=1');
 

locales/fr_FR/translations.php

@@ -1,6 +1,17 @@
 <?php
 
 return array(
+    'Your Google Account is linked to Miniflux' => 'Votre compte Google est relié à Miniflux',
+    'Link Miniflux to my Google account' => 'Lier Miniflux à mon compte Google',
+    'Your Mozilla Persona Account is linked to Miniflux' => 'Votre compte Mozilla Persona est relié à Miniflux',
+    'Link Miniflux to my Mozilla Persona account' => 'Lier Miniflux à mon compte Mozilla Persona',
+    'Your Google Account is linked to Miniflux.' => 'Votre compte Google est relié à Miniflux.',
+    'Unable to link Miniflux to your Google Account.' => 'Impossible de lier Miniflux à votre compte Google',
+    'Unable to authenticate with Google' => 'Impossible de s\'authentifier avec Google',
+    'Your Mozilla Persona Account is linked to Miniflux.' => 'Votre compte Mozilla Persona est lié avec Miniflux.',
+    'Unable to link Miniflux to your Mozilla Persona Account.' => 'Impossible de lier Miniflux avec votre compte Mozilla Persona.',
+    'Login with my Google Account' => 'Se connecter avec mon compte Google',
+    'Login with my Mozilla Persona Account' => 'Se connecter avec mon compte Mozilla Persona',
     'Bookmarklet:' => 'Bookmarklet :',
     'Subscribe with Miniflux' => 'S\'abonner avec Miniflux',
     'Drag and drop this link to your bookmarks' => 'Glisser-déposer ce lien dans vos favoris',

model.php

@@ -24,7 +24,7 @@ use PicoFeed\Reader;
 use PicoFeed\Export;
 
 
-const DB_VERSION     = 15;
+const DB_VERSION     = 16;
 const HTTP_USERAGENT = 'Miniflux - http://miniflux.net';
 const HTTP_FAKE_USERAGENT = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.62 Safari/537.36';
 const LIMIT_ALL      = -1;
@@ -126,6 +126,28 @@ function new_tokens()
 }
 
 
+function save_auth_token($type, $value)
+{
+    return \PicoTools\singleton('db')
+        ->table('config')
+        ->update(array(
+            'auth_'.$type.'_token' => $value
+        ));
+}
+
+
+function remove_auth_token($type)
+{
+    \PicoTools\singleton('db')
+        ->table('config')
+        ->update(array(
+            'auth_'.$type.'_token' => ''
+        ));
+
+    $_SESSION['config'] = get_config();
+}
+
+
 function export_feeds()
 {
     $opml = new Export(get_feeds());
@@ -885,7 +907,18 @@ function get_config()
 {
     return \PicoTools\singleton('db')
         ->table('config')
-        ->columns('username', 'language', 'autoflush', 'nocontent', 'items_per_page', 'theme', 'api_token', 'feed_token')
+        ->columns(
+            'username',
+            'language',
+            'autoflush',
+            'nocontent',
+            'items_per_page',
+            'theme',
+            'api_token',
+            'feed_token',
+            'auth_google_token',
+            'auth_mozilla_token'
+        )
         ->findOne();
 }
 
@@ -976,11 +1009,8 @@ function save_config(array $values)
 {
     // Update the password if needed
     if (! empty($values['password'])) {
-
         $values['password'] = \password_hash($values['password'], PASSWORD_BCRYPT);
-
     } else {
-
         unset($values['password']);
     }
 

schema.php

@@ -3,6 +3,13 @@
 namespace Schema;
 
 
+function version_16($pdo)
+{
+    $pdo->exec('ALTER TABLE config ADD COLUMN auth_google_token TEXT DEFAULT ""');
+    $pdo->exec('ALTER TABLE config ADD COLUMN auth_mozilla_token TEXT DEFAULT ""');
+}
+
+
 function version_15($pdo)
 {
     $pdo->exec('ALTER TABLE feeds ADD COLUMN download_content INTEGER DEFAULT 0');

templates/app_header.php

@@ -11,7 +11,7 @@
         <link rel="apple-touch-icon" sizes="144x144" href="./assets/img/touch-icon-ipad-retina.png">
         <title><?= isset($title) ? Helper\escape($title) : 'miniflux' ?></title>
         <link href="<?= Helper\css() ?>" rel="stylesheet" media="screen">
-        <script type="text/javascript" src="./assets/js/app.js?version=<?= filemtime('assets/js/app.js') ?>" defer></script>
+        <script type="text/javascript" src="assets/js/app.js?version=<?= filemtime('assets/js/app.js') ?>" defer></script>
     </head>
     <body>
         <header>

templates/config.php

@@ -27,6 +27,23 @@
 
     <?= Helper\form_checkbox('nocontent', t('Do not fetch the content of articles'), 1, isset($values['nocontent']) ? $values['nocontent'] : false) ?><br />
 
+    <ul>
+        <li>
+            <?php if ($values['auth_google_token']): ?>
+                <?= t('Your Google Account is linked to Miniflux') ?>, <a href="?action=unlink-account-provider&amp;type=google"><?= t('remove') ?></a>
+            <?php else: ?>
+                <a href="?action=google-redirect-link"><?= t('Link Miniflux to my Google account') ?></a>
+            <?php endif ?>
+        </li>
+        <li>
+            <?php if ($values['auth_mozilla_token']): ?>
+                <?= t('Your Mozilla Persona Account is linked to Miniflux') ?>, <a href="?action=unlink-account-provider&amp;type=mozilla"><?= t('remove') ?></a>
+            <?php else: ?>
+                <a href="#" data-action="mozilla-link"><?= t('Link Miniflux to my Mozilla Persona account') ?></a>
+            <?php endif ?>
+        </li>
+    </ul>
+
     <div class="form-actions">
         <input type="submit" value="<?= t('Save') ?>" class="btn btn-blue"/>
     </div>
@@ -70,4 +87,6 @@
             <li><a href="?action=console"><?= t('Console') ?></a></li>
         </ul>
     </div>
-</section>
+</section>
+
+<script type="text/javascript" src="assets/js/persona.js" async></script>

templates/login.php

@@ -11,6 +11,10 @@
         <link rel="apple-touch-icon" sizes="144x144" href="./assets/img/touch-icon-ipad-retina.png">
         <title>miniflux</title>
         <link href="<?= Helper\css() ?>" rel="stylesheet" media="screen">
+        <script type="text/javascript" src="assets/js/app.js?version=<?= filemtime('assets/js/app.js') ?>" defer></script>
+        <?php if ($mozilla_auth_enable): ?>
+            <script type="text/javascript" src="assets/js/persona.js" defer></script>
+        <?php endif ?>
     </head>
     <body id="login-page">
         <section class="page">
@@ -20,9 +24,7 @@
             <section>
 
             <?php if (isset($errors['login'])): ?>
-
                 <p class="alert alert-error"><?= Helper\escape($errors['login']) ?></p>
-
             <?php endif ?>
 
             <form method="post" action="?action=login">
@@ -33,6 +35,14 @@
                 <?= Helper\form_label(t('Password'), 'password') ?>
                 <?= Helper\form_password('password', $values, $errors, array('required')) ?>
 
+                <?php if ($google_auth_enable): ?>
+                    <p><br/><a href="?action=google-redirect-auth"><?= t('Login with my Google Account') ?></a></p>
+                <?php endif ?>
+
+                <?php if ($mozilla_auth_enable): ?>
+                    <p><br/><a href="#" data-action="mozilla-login"><?= t('Login with my Mozilla Persona Account') ?></a></p>
+                <?php endif ?>
+
                 <div class="form-actions">
                     <input type="submit" value="<?= t('Sign in') ?>" class="btn btn-blue"/>
                 </div>

vendor/PicoTools/AuthProvider.php

@@ -0,0 +1,87 @@
+<?php
+
+namespace AuthProvider;
+
+function google_get_url($realm, $return_path)
+{
+    $return_to = $realm.$return_path;
+    $url = 'https://accounts.google.com/o/openid2/auth?';
+    $params = array();
+    $params['openid.ns'] = 'http://specs.openid.net/auth/2.0';
+    $params['openid.mode'] = 'checkid_setup';
+    $params['openid.return_to'] = $return_to;
+    $params['openid.realm'] = $realm;
+    $params['openid.identity'] = 'http://specs.openid.net/auth/2.0/identifier_select';
+    $params['openid.claimed_id'] = 'http://specs.openid.net/auth/2.0/identifier_select';
+
+    return $url.http_build_query($params, '', '&');
+}
+
+function google_validate()
+{
+    $identity = '';
+
+    if (! ini_get('allow_url_fopen')) {
+        die('You must have "allow_url_fopen=On" to use this feature!');
+    }
+
+    if (! isset($_GET['openid_mode']) || $_GET['openid_mode'] !== 'id_res') {
+        return array(false, $identity);
+    }
+
+    $params = array();
+    $params['openid.ns'] = 'http://specs.openid.net/auth/2.0';
+    $params['openid.mode'] = 'check_authentication';
+    $params['openid.assoc_handle'] = $_GET['openid_assoc_handle'];
+    $params['openid.signed'] = $_GET['openid_signed'];
+    $params['openid.sig'] = $_GET['openid_sig'];
+
+    foreach (explode(',', $_GET['openid_signed']) as $item) {
+        $params['openid.'.$item] = $_GET['openid_' . str_replace('.', '_', $item)];
+    }
+
+    $context = stream_context_create(array(
+        'http'=>array(
+        'method'=> 'POST',
+        'header'=> implode("\r\n", array(
+            'Content-type: application/x-www-form-urlencoded',
+            'Accept: application/xrds+xml, */*'
+        )),
+        'content' => http_build_query($params, '', '&')
+    )));
+
+    $response = file_get_contents('https://www.google.com/accounts/o8/ud', false, $context);
+    $identity = $_GET['openid_identity'];
+
+    return array(strpos($response, 'is_valid:true') !== false, $identity);
+}
+
+
+function mozilla_validate($token)
+{
+    if (! ini_get('allow_url_fopen')) {
+        die('You must have "allow_url_fopen=On" to use this feature!');
+    }
+
+    $params = array(
+        'assertion' => $token,
+        'audience' => (isset($_SERVER['HTTPS']) ? 'https://' : 'http://').$_SERVER['SERVER_NAME'].':'.$_SERVER['SERVER_PORT']
+    );
+
+    $context = stream_context_create(array(
+        'http'=> array(
+        'method'=> 'POST',
+        'header'=> implode("\r\n", array(
+            'Content-type: application/x-www-form-urlencoded',
+        )),
+        'content' => http_build_query($params, '', '&')
+    )));
+
+    $body = file_get_contents('https://verifier.login.persona.org/verify', false, $context);
+    $response = json_decode($body, true);
+
+    return array(
+        $response['status'] === 'okay',
+        $response['email']
+    );
+}