| 1 | <?php |
| 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| 4 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| 5 | |
| 6 | // Called e.g. as /api?access_token=...&whatever_api_parameters |
| 7 | // access_token can be handed via GET or POST or an 'Authorization: Bearer' header. |
| 8 | // Response is always JSON. |
| 9 | |
| 10 | // Include the common auth system files (including the OAuth2 Server object). |
| 11 | require_once(__DIR__.'/authsystem.inc.php'); |
| 12 | |
| 13 | $errors = $utils->checkForSecureConnection(); |
| 14 | $utils->sendSecurityHeaders(); |
| 15 | |
| 16 | if (!count($errors)) { |
| 17 | // Handle a request to a resource and authenticate the access token |
| 18 | $token_OK = $server->verifyResourceRequest(OAuth2\Request::createFromGlobals()); |
| 19 | if (!$token_OK) { |
| 20 | $server->getResponse()->send(); |
| 21 | exit(); |
| 22 | } |
| 23 | $token = $server->getAccessTokenData(OAuth2\Request::createFromGlobals()); |
| 24 | // API request successful, return requested resource. |
| 25 | if (array_key_exists('email', $_GET)) { |
| 26 | if ($token['scope'] == 'email') { |
| 27 | if (intval(@$token['user_id'])) { |
| 28 | $result = $db->prepare('SELECT `id`,`email` FROM `auth_users` WHERE `id` = :userid;'); |
| 29 | $result->execute(array(':userid' => $token['user_id'])); |
| 30 | $user = $result->fetch(PDO::FETCH_ASSOC); |
| 31 | if (!$user['id']) { |
| 32 | $utils->log('user_token_failure', 'token: '.$token['access_token']); |
| 33 | print(json_encode(array('error' => 'unknown_user', |
| 34 | 'error_description' => 'The user the access token is connected to was not recognized.'))); |
| 35 | } |
| 36 | else { |
| 37 | print(json_encode(array('success' => true, 'email' => $user['email']))); |
| 38 | } |
| 39 | } |
| 40 | else { |
| 41 | print(json_encode(array('error' => 'no_user', |
| 42 | 'error_description' => 'The access token is not connected to a user.'))); |
| 43 | } |
| 44 | } |
| 45 | else { |
| 46 | print(json_encode(array('error' => 'insufficient_scope', |
| 47 | 'error_description' => 'The scope of the token you used in this API request is insufficient to access this resource.'))); |
| 48 | } |
| 49 | } |
| 50 | elseif (array_key_exists('newclient', $_GET)) { |
| 51 | if ($token['scope'] == 'clientreg') { |
| 52 | if (intval(@$token['user_id'])) { |
| 53 | $result = $db->prepare('SELECT `id`,`email` FROM `auth_users` WHERE `id` = :userid;'); |
| 54 | $result->execute(array(':userid' => $token['user_id'])); |
| 55 | $user = $result->fetch(PDO::FETCH_ASSOC); |
| 56 | if (!$user['id']) { |
| 57 | $utils->log('user_token_failure', 'token: '.$token['access_token']); |
| 58 | print(json_encode(array('error' => 'unknown_user', |
| 59 | 'error_description' => 'The user the access token is connected to was not recognized.'))); |
| 60 | } |
| 61 | else { |
| 62 | if (in_array($user['email'], $utils->client_reg_email_whitelist)) { |
| 63 | if (strlen(@$_GET['client_id']) >= 5) { |
| 64 | $result = $db->prepare('SELECT `client_id`,`user_id` FROM `oauth_clients` WHERE `client_id` = :clientid;'); |
| 65 | $result->execute(array(':clientid' => $_GET['client_id'])); |
| 66 | $client = $result->fetch(PDO::FETCH_ASSOC); |
| 67 | if (!$client['client_id']) { |
| 68 | // Set new client ID. |
| 69 | $clientsecret = $utils->createClientSecret(); |
| 70 | $result = $db->prepare('INSERT INTO `oauth_clients` (`client_id`, `client_secret`, `redirect_uri`, `scope`, `user_id`) VALUES (:clientid, :secret, :rediruri, :scope, :userid);'); |
| 71 | if ($result->execute(array(':clientid' => $_GET['client_id'], |
| 72 | ':secret' => $clientsecret, |
| 73 | ':rediruri' => (strlen(@$_GET['redirect_uri']) ? $_GET['redirect_uri'] : ''), |
| 74 | ':scope' => (strlen(@$_GET['scope']) ? $_GET['scope'] : ''), |
| 75 | ':userid' => $user['id']))) { |
| 76 | print(json_encode(array('success' => true, 'client_secret' => $clientsecret))); |
| 77 | } |
| 78 | else { |
| 79 | $utils->log('client_save_failure', 'client: '.$client['client_id']); |
| 80 | print(json_encode(array('error' => 'unexpected_save_failure', |
| 81 | 'error_description' => 'Unexpectedly failed to save new client information.'))); |
| 82 | } |
| 83 | } |
| 84 | elseif ($client['user_id'] == $user['id']) { |
| 85 | // The client ID was set by this user, set new secret and return. |
| 86 | $clientsecret = $utils->createClientSecret(); |
| 87 | $result = $db->prepare('UPDATE `oauth_clients` SET `client_secret` = :secret WHERE `client_id` = :clientid;'); |
| 88 | if (!$result->execute(array(':secret' => $clientsecret,':clientid' => $client['client_id']))) { |
| 89 | $utils->log('client_save_failure', 'client: '.$client['client_id'].', new secret - '.$result->errorInfo()[2]); |
| 90 | print(json_encode(array('error' => 'unexpected_save_failure', |
| 91 | 'error_description' => 'Unexpectedly failed to save new secret.'))); |
| 92 | } |
| 93 | else { |
| 94 | if (strlen(@$_GET['redirect_uri'])) { |
| 95 | $result = $db->prepare('UPDATE `oauth_clients` SET `redirect_uri` = :rediruri WHERE `client_id` = :clientid;'); |
| 96 | if (!$result->execute(array(':rediruri' => $_GET['redirect_uri'],':clientid' => $client['client_id']))) { |
| 97 | $utils->log('client_save_failure', 'client: '.$client['client_id'].', new redirect_uri: '.$_GET['redirect_uri'].' - '.$result->errorInfo()[2]); |
| 98 | } |
| 99 | } |
| 100 | if (strlen(@$_GET['scope'])) { |
| 101 | $result = $db->prepare('UPDATE `oauth_clients` SET `scope` = :scope WHERE `client_id` = :clientid;'); |
| 102 | if (!$result->execute(array(':scope' => $_GET['scope'],':clientid' => $client['client_id']))) { |
| 103 | $utils->log('client_save_failure', 'client: '.$client['client_id'].', new scope: '.$_GET['scope'].' - '.$result->errorInfo()[2]); |
| 104 | } |
| 105 | } |
| 106 | print(json_encode(array('success' => true, 'client_secret' => $clientsecret))); |
| 107 | } |
| 108 | } |
| 109 | else { |
| 110 | print(json_encode(array('error' => 'client_id_used', |
| 111 | 'error_description' => 'This client ID is in use by a different user.'))); |
| 112 | } |
| 113 | } |
| 114 | else { |
| 115 | print(json_encode(array('error' => 'invalid_client_id_', |
| 116 | 'error_description' => 'A client ID of at least 5 characters needs to be supplied.'))); |
| 117 | } |
| 118 | } |
| 119 | else { |
| 120 | print(json_encode(array('error' => 'insufficient_privileges', |
| 121 | 'error_description' => 'This user is not allowed to register new clients.'))); |
| 122 | } |
| 123 | } |
| 124 | } |
| 125 | else { |
| 126 | print(json_encode(array('error' => 'no_user', |
| 127 | 'error_description' => 'The access token is not connected to a user.'))); |
| 128 | } |
| 129 | } |
| 130 | else { |
| 131 | print(json_encode(array('error' => 'insufficient_scope', |
| 132 | 'error_description' => 'The scope of the token you used in this API request is insufficient to access this resource.'))); |
| 133 | } |
| 134 | } |
| 135 | else { |
| 136 | print(json_encode(array('error' => 'invalid_resource', |
| 137 | 'error_description' => 'The resource requested from the API is unknown.'))); |
| 138 | } |
| 139 | } |
| 140 | else { |
| 141 | print(json_encode(array('error' => 'insecure_connection', |
| 142 | 'error_description' => 'Your connection is insecure. The API can only be accessed on secure connections.'))); |
| 143 | } |
| 144 | ?> |