New function "isAuthenticated"

[friendica.git] / src / Core / Session.php

diff --git a/src/Core/Session.php b/src/Core/Session.php
index 22909a6e6e039720d3d43b6310e6a762304ca331..b44ff3e2ea2fa928a69c4213b63c3339a20c4303 100644 (file)
--- a/src/Core/Session.php
+++ b/src/Core/Session.php
@@ -9,8 +9,10 @@ use Friendica\App;
 use Friendica\Core\Session\CacheSessionHandler;
 use Friendica\Core\Session\DatabaseSessionHandler;
 use Friendica\Database\DBA;
+use Friendica\Model\Contact;
 use Friendica\Model\User;
 use Friendica\Util\DateTimeFormat;
+use Friendica\Util\Strings;
 
 /**
  * High-level Session service class
@@ -51,7 +53,7 @@ class Session
 
        /**
         * Retrieves a key from the session super global or the defaults if the key is missing or the value is falsy.
-        * 
+        *
         * Handle the case where session_start() hasn't been called and the super global isn't available.
         *
         * @param string $name
@@ -117,9 +119,11 @@ class Session
                        'page_flags'    => $user_record['page-flags'],
                        'my_url'        => $a->getBaseURL() . '/profile/' . $user_record['nickname'],
                        'my_address'    => $user_record['nickname'] . '@' . substr($a->getBaseURL(), strpos($a->getBaseURL(), '://') + 3),
-                       'addr'          => defaults($_SERVER, 'REMOTE_ADDR', '0.0.0.0'),
+                       'addr'          => defaults($_SERVER, 'REMOTE_ADDR', '0.0.0.0')
                ]);
 
+               self::setVisitorsContacts();
+
                $member_since = strtotime($user_record['register_date']);
                self::set('new_member', time() < ($member_since + ( 60 * 60 * 24 * 14)));
 
@@ -201,4 +205,68 @@ class Session
                        }
                }
        }
+
+       /**
+        * Returns contact ID for given user ID
+        *
+        * @param integer $uid User ID
+        * @return integer Contact ID of visitor for given user ID
+        */
+       public static function getRemoteContactID($uid)
+       {
+               if (empty($_SESSION['remote'][$uid])) {
+                       return false;
+               }
+
+               return $_SESSION['remote'][$uid];
+       }
+
+       /**
+        * Returns User ID for given contact ID of the visitor
+        *
+        * @param integer $cid Contact ID
+        * @return integer User ID for given contact ID of the visitor
+        */
+       public static function getUserIDForVisitorContactID($cid)
+       {
+               if (empty($_SESSION['remote'])) {
+                       return false;
+               }
+
+               return array_search($cid, $_SESSION['remote']);
+       }
+
+       /**
+        * Set the session variable that contains the contact IDs for the visitor's contact URL
+        *
+        * @param string $url Contact URL
+        */
+       public static function setVisitorsContacts()
+       {
+               $_SESSION['remote'] = [];
+
+               $remote_contacts = DBA::select('contact', ['id', 'uid'], ['nurl' => Strings::normaliseLink($_SESSION['my_url']), 'rel' => [Contact::FOLLOWER, Contact::FRIEND], 'self' => false]);
+               while ($contact = DBA::fetch($remote_contacts)) {
+                       if (($contact['uid'] == 0) || Contact::isBlockedByUser($contact['id'], $contact['uid'])) {
+                               continue;
+                       }
+
+                       $_SESSION['remote'][$contact['uid']] = $contact['id'];
+               }
+               DBA::close($remote_contacts);
+       }
+
+       /**
+        * Returns if the current visitor is authenticated
+        *
+        * @return boolean "true" when visitor is either a local or remote user
+        */
+       public static function isAuthenticated()
+       {
+               if (empty($_SESSION['authenticated'])) {
+                       return false;
+               }
+
+               return $_SESSION['authenticated'];
+       }
 }