| 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 | if ($settings['piwik_enabled']) { |
| 13 | // We do not send out an HTML file, so we need to do the Piwik tracking ourselves. |
| 14 | // Init is done here, actual tracking before exit. |
| 15 | require_once($settings['piwik_tracker_path'].'PiwikTracker.php'); |
| 16 | PiwikTracker::$URL = ((strpos($settings['piwik_url'], '://') === false) ? 'http://localhost' : '' ).$settings['piwik_url']; |
| 17 | $piwikTracker = new PiwikTracker($idSite = $settings['piwik_site_id']); |
| 18 | } |
| 19 | |
| 20 | $errors = $utils->checkForSecureConnection(); |
| 21 | $utils->sendSecurityHeaders(); |
| 22 | |
| 23 | if (!count($errors)) { |
| 24 | // Handle a request to a resource and authenticate the access token |
| 25 | $token_OK = $server->verifyResourceRequest(OAuth2\Request::createFromGlobals()); |
| 26 | if (!$token_OK) { |
| 27 | $response = $server->getResponse(); |
| 28 | if (!count($response->getParameters())) { |
| 29 | // We get an empty response if we don't get any auth header. Let's actually note that explicitly. |
| 30 | $response->setError($response->getStatusCode(), 'auth_missing', 'Authentication missing'); |
| 31 | } |
| 32 | $response->send(); |
| 33 | if ($settings['piwik_enabled']) { $piwikTracker->doTrackPageView('API Request: Bad Token'); } |
| 34 | exit(); |
| 35 | } |
| 36 | $token = $server->getAccessTokenData(OAuth2\Request::createFromGlobals()); |
| 37 | // API request successful, return requested resource. |
| 38 | if (array_key_exists('email', $_GET)) { |
| 39 | if ($token['scope'] == 'email') { |
| 40 | if (intval(@$token['user_id'])) { |
| 41 | $result = $db->prepare('SELECT `id`,`email` FROM `auth_users` WHERE `id` = :userid;'); |
| 42 | $result->execute(array(':userid' => $token['user_id'])); |
| 43 | $user = $result->fetch(PDO::FETCH_ASSOC); |
| 44 | if (!$user['id']) { |
| 45 | $utils->log('user_token_failure', 'token: '.$token['access_token']); |
| 46 | print(json_encode(array('error' => 'unknown_user', |
| 47 | 'error_description' => 'The user the access token is connected to was not recognized.'))); |
| 48 | } |
| 49 | else { |
| 50 | print(json_encode(array('success' => true, 'email' => $user['email']))); |
| 51 | } |
| 52 | } |
| 53 | else { |
| 54 | print(json_encode(array('error' => 'no_user', |
| 55 | 'error_description' => 'The access token is not connected to a user.'))); |
| 56 | } |
| 57 | } |
| 58 | else { |
| 59 | print(json_encode(array('error' => 'insufficient_scope', |
| 60 | 'error_description' => 'The scope of the token you used in this API request is insufficient to access this resource.'))); |
| 61 | } |
| 62 | } |
| 63 | elseif (array_key_exists('newclient', $_GET)) { |
| 64 | if ($token['scope'] == 'clientreg') { |
| 65 | if (intval(@$token['user_id'])) { |
| 66 | $result = $db->prepare('SELECT `id`,`email` FROM `auth_users` WHERE `id` = :userid;'); |
| 67 | $result->execute(array(':userid' => $token['user_id'])); |
| 68 | $user = $result->fetch(PDO::FETCH_ASSOC); |
| 69 | if (!$user['id']) { |
| 70 | $utils->log('user_token_failure', 'token: '.$token['access_token']); |
| 71 | print(json_encode(array('error' => 'unknown_user', |
| 72 | 'error_description' => 'The user the access token is connected to was not recognized.'))); |
| 73 | } |
| 74 | else { |
| 75 | if (($utils->client_reg_email_whitelist === false) || (in_array($user['email'], $utils->client_reg_email_whitelist))) { |
| 76 | if (strlen(@$_GET['client_id']) >= 5) { |
| 77 | $result = $db->prepare('SELECT `client_id`,`user_id` FROM `oauth_clients` WHERE `client_id` = :clientid;'); |
| 78 | $result->execute(array(':clientid' => $_GET['client_id'])); |
| 79 | $client = $result->fetch(PDO::FETCH_ASSOC); |
| 80 | if (!$client['client_id']) { |
| 81 | // Set new client ID. |
| 82 | $clientsecret = $utils->createClientSecret(); |
| 83 | $result = $db->prepare('INSERT INTO `oauth_clients` (`client_id`, `client_secret`, `redirect_uri`, `scope`, `user_id`) VALUES (:clientid, :secret, :rediruri, :scope, :userid);'); |
| 84 | if ($result->execute(array(':clientid' => $_GET['client_id'], |
| 85 | ':secret' => $clientsecret, |
| 86 | ':rediruri' => (strlen(@$_GET['redirect_uri']) ? $_GET['redirect_uri'] : ''), |
| 87 | ':scope' => (strlen(@$_GET['scope']) ? $_GET['scope'] : ''), |
| 88 | ':userid' => $user['id']))) { |
| 89 | print(json_encode(array('success' => true, 'client_secret' => $clientsecret))); |
| 90 | } |
| 91 | else { |
| 92 | $utils->log('client_save_failure', 'client: '.$client['client_id']); |
| 93 | print(json_encode(array('error' => 'unexpected_save_failure', |
| 94 | 'error_description' => 'Unexpectedly failed to save new client information.'))); |
| 95 | } |
| 96 | } |
| 97 | elseif ($client['user_id'] == $user['id']) { |
| 98 | // The client ID was set by this user, set new secret and return. |
| 99 | $clientsecret = $utils->createClientSecret(); |
| 100 | $result = $db->prepare('UPDATE `oauth_clients` SET `client_secret` = :secret WHERE `client_id` = :clientid;'); |
| 101 | if (!$result->execute(array(':secret' => $clientsecret,':clientid' => $client['client_id']))) { |
| 102 | $utils->log('client_save_failure', 'client: '.$client['client_id'].', new secret - '.$result->errorInfo()[2]); |
| 103 | print(json_encode(array('error' => 'unexpected_save_failure', |
| 104 | 'error_description' => 'Unexpectedly failed to save new secret.'))); |
| 105 | } |
| 106 | else { |
| 107 | if (strlen(@$_GET['redirect_uri'])) { |
| 108 | $result = $db->prepare('UPDATE `oauth_clients` SET `redirect_uri` = :rediruri WHERE `client_id` = :clientid;'); |
| 109 | if (!$result->execute(array(':rediruri' => $_GET['redirect_uri'],':clientid' => $client['client_id']))) { |
| 110 | $utils->log('client_save_failure', 'client: '.$client['client_id'].', new redirect_uri: '.$_GET['redirect_uri'].' - '.$result->errorInfo()[2]); |
| 111 | } |
| 112 | } |
| 113 | if (strlen(@$_GET['scope'])) { |
| 114 | $result = $db->prepare('UPDATE `oauth_clients` SET `scope` = :scope WHERE `client_id` = :clientid;'); |
| 115 | if (!$result->execute(array(':scope' => $_GET['scope'],':clientid' => $client['client_id']))) { |
| 116 | $utils->log('client_save_failure', 'client: '.$client['client_id'].', new scope: '.$_GET['scope'].' - '.$result->errorInfo()[2]); |
| 117 | } |
| 118 | } |
| 119 | print(json_encode(array('success' => true, 'client_secret' => $clientsecret))); |
| 120 | } |
| 121 | } |
| 122 | else { |
| 123 | print(json_encode(array('error' => 'client_id_used', |
| 124 | 'error_description' => 'This client ID is in use by a different user.'))); |
| 125 | } |
| 126 | } |
| 127 | else { |
| 128 | print(json_encode(array('error' => 'invalid_client_id_', |
| 129 | 'error_description' => 'A client ID of at least 5 characters needs to be supplied.'))); |
| 130 | } |
| 131 | } |
| 132 | else { |
| 133 | print(json_encode(array('error' => 'insufficient_privileges', |
| 134 | 'error_description' => 'This user is not allowed to register new clients.'))); |
| 135 | } |
| 136 | } |
| 137 | } |
| 138 | else { |
| 139 | print(json_encode(array('error' => 'no_user', |
| 140 | 'error_description' => 'The access token is not connected to a user.'))); |
| 141 | } |
| 142 | } |
| 143 | else { |
| 144 | print(json_encode(array('error' => 'insufficient_scope', |
| 145 | 'error_description' => 'The scope of the token you used in this API request is insufficient to access this resource.'))); |
| 146 | } |
| 147 | } |
| 148 | else { |
| 149 | print(json_encode(array('error' => 'invalid_resource', |
| 150 | 'error_description' => 'The resource requested from the API is unknown.'))); |
| 151 | } |
| 152 | } |
| 153 | else { |
| 154 | print(json_encode(array('error' => 'insecure_connection', |
| 155 | 'error_description' => 'Your connection is insecure. The API can only be accessed on secure connections.'))); |
| 156 | } |
| 157 | if ($settings['piwik_enabled']) { |
| 158 | $piwikTracker->doTrackPageView('API Request'.(strlen($token['scope'])?': '.$token['scope']:'')); |
| 159 | } |
| 160 | ?> |