X-Git-Url: https://git-public.kairo.at/?p=authserver.git;a=blobdiff_plain;f=app%2Fapi.php;fp=app%2Fapi.php;h=f51f20198eda8c59c146e24d858c8e50e777a192;hp=0000000000000000000000000000000000000000;hb=04116cc5dabb951023fb511fda0dc36956d6a84a;hpb=c4e0aceb5d9e9076effd75de03f4588b65329740

diff --git a/app/api.php b/app/api.php
new file mode 100644
index 0000000..f51f201
--- /dev/null
+++ b/app/api.php
@@ -0,0 +1,144 @@
+<?php
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Called e.g. as /api?access_token=...&whatever_api_parameters
+// access_token can be handed via GET or POST or an 'Authorization: Bearer' header.
+// Response is always JSON.
+
+// Include the common auth system files (including the OAuth2 Server object).
+require_once(__DIR__.'/authsystem.inc.php');
+
+$errors = $utils->checkForSecureConnection();
+$utils->sendSecurityHeaders();
+
+if (!count($errors)) {
+  // Handle a request to a resource and authenticate the access token
+  $token_OK = $server->verifyResourceRequest(OAuth2\Request::createFromGlobals());
+  if (!$token_OK) {
+    $server->getResponse()->send();
+    exit();
+  }
+  $token = $server->getAccessTokenData(OAuth2\Request::createFromGlobals());
+  // API request successful, return requested resource.
+  if (array_key_exists('email', $_GET)) {
+    if ($token['scope'] == 'email') {
+      if (intval(@$token['user_id'])) {
+        $result = $db->prepare('SELECT `id`,`email` FROM `auth_users` WHERE `id` = :userid;');
+        $result->execute(array(':userid' => $token['user_id']));
+        $user = $result->fetch(PDO::FETCH_ASSOC);
+        if (!$user['id']) {
+          $utils->log('user_token_failure', 'token: '.$token['access_token']);
+          print(json_encode(array('error' => 'unknown_user',
+                                  'error_description' => 'The user the access token is connected to was not recognized.')));
+        }
+        else {
+          print(json_encode(array('success' => true, 'email' => $user['email'])));
+        }
+      }
+      else {
+        print(json_encode(array('error' => 'no_user',
+                                'error_description' => 'The access token is not connected to a user.')));
+      }
+    }
+    else {
+      print(json_encode(array('error' => 'insufficient_scope',
+                              'error_description' => 'The scope of the token you used in this API request is insufficient to access this resource.')));
+    }
+  }
+  elseif (array_key_exists('newclient', $_GET)) {
+    if ($token['scope'] == 'clientreg') {
+      if (intval(@$token['user_id'])) {
+        $result = $db->prepare('SELECT `id`,`email` FROM `auth_users` WHERE `id` = :userid;');
+        $result->execute(array(':userid' => $token['user_id']));
+        $user = $result->fetch(PDO::FETCH_ASSOC);
+        if (!$user['id']) {
+          $utils->log('user_token_failure', 'token: '.$token['access_token']);
+          print(json_encode(array('error' => 'unknown_user',
+                                  'error_description' => 'The user the access token is connected to was not recognized.')));
+        }
+        else {
+          if (in_array($user['email'], $utils->client_reg_email_whitelist)) {
+            if (strlen(@$_GET['client_id']) >= 5) {
+              $result = $db->prepare('SELECT `client_id`,`user_id` FROM `oauth_clients` WHERE `client_id` = :clientid;');
+              $result->execute(array(':clientid' => $_GET['client_id']));
+              $client = $result->fetch(PDO::FETCH_ASSOC);
+              if (!$client['client_id']) {
+                // Set new client ID.
+                $clientsecret = $utils->createClientSecret();
+                $result = $db->prepare('INSERT INTO `oauth_clients` (`client_id`, `client_secret`, `redirect_uri`, `scope`, `user_id`) VALUES (:clientid, :secret, :rediruri, :scope, :userid);');
+                if ($result->execute(array(':clientid' => $_GET['client_id'],
+                                           ':secret' => $clientsecret,
+                                           ':rediruri' => (strlen(@$_GET['redirect_uri']) ? $_GET['redirect_uri'] : ''),
+                                           ':scope' => (strlen(@$_GET['scope']) ? $_GET['scope'] : ''),
+                                           ':userid' => $user['id']))) {
+                  print(json_encode(array('success' => true, 'client_secret' => $clientsecret)));
+                }
+                else {
+                  $utils->log('client_save_failure', 'client: '.$client['client_id']);
+                  print(json_encode(array('error' => 'unexpected_save_failure',
+                                          'error_description' => 'Unexpectedly failed to save new client information.')));
+                }
+              }
+              elseif ($client['user_id'] == $user['id']) {
+                // The client ID was set by this user, set new secret and return.
+                $clientsecret = $utils->createClientSecret();
+                $result = $db->prepare('UPDATE `oauth_clients` SET `client_secret` = :secret WHERE `client_id` = :clientid;');
+                if (!$result->execute(array(':secret' => $clientsecret,':clientid' => $client['client_id']))) {
+                  $utils->log('client_save_failure', 'client: '.$client['client_id'].', new secret - '.$result->errorInfo()[2]);
+                  print(json_encode(array('error' => 'unexpected_save_failure',
+                                          'error_description' => 'Unexpectedly failed to save new secret.')));
+                }
+                else {
+                  if (strlen(@$_GET['redirect_uri'])) {
+                    $result = $db->prepare('UPDATE `oauth_clients` SET `redirect_uri` = :rediruri WHERE `client_id` = :clientid;');
+                    if (!$result->execute(array(':rediruri' => $_GET['redirect_uri'],':clientid' => $client['client_id']))) {
+                      $utils->log('client_save_failure', 'client: '.$client['client_id'].', new redirect_uri: '.$_GET['redirect_uri'].' - '.$result->errorInfo()[2]);
+                    }
+                  }
+                  if (strlen(@$_GET['scope'])) {
+                    $result = $db->prepare('UPDATE `oauth_clients` SET `scope` = :scope WHERE `client_id` = :clientid;');
+                    if (!$result->execute(array(':scope' => $_GET['scope'],':clientid' => $client['client_id']))) {
+                      $utils->log('client_save_failure', 'client: '.$client['client_id'].', new scope: '.$_GET['scope'].' - '.$result->errorInfo()[2]);
+                    }
+                  }
+                  print(json_encode(array('success' => true, 'client_secret' => $clientsecret)));
+                }
+              }
+              else {
+                print(json_encode(array('error' => 'client_id_used',
+                                        'error_description' => 'This client ID is in use by a different user.')));
+              }
+            }
+            else {
+              print(json_encode(array('error' => 'invalid_client_id_',
+                                      'error_description' => 'A client ID of at least 5 characters needs to be supplied.')));
+            }
+          }
+          else {
+            print(json_encode(array('error' => 'insufficient_privileges',
+                                    'error_description' => 'This user is not allowed to register new clients.')));
+          }
+        }
+      }
+      else {
+        print(json_encode(array('error' => 'no_user',
+                                'error_description' => 'The access token is not connected to a user.')));
+      }
+    }
+    else {
+      print(json_encode(array('error' => 'insufficient_scope',
+                              'error_description' => 'The scope of the token you used in this API request is insufficient to access this resource.')));
+    }
+  }
+  else {
+    print(json_encode(array('error' => 'invalid_resource',
+                            'error_description' => 'The resource requested from the API is unknown.')));
+  }
+}
+else {
+  print(json_encode(array('error' => 'insecure_connection',
+                          'error_description' => 'Your connection is insecure. The API can only be accessed on secure connections.')));
+}
+?>