| 1 | <?php |
| 2 | /* |
| 3 | +--------------------------------------------------------------------+ |
| 4 | | CiviCRM version 4.7 | |
| 5 | +--------------------------------------------------------------------+ |
| 6 | | Copyright CiviCRM LLC (c) 2004-2015 | |
| 7 | +--------------------------------------------------------------------+ |
| 8 | | This file is a part of CiviCRM. | |
| 9 | | | |
| 10 | | CiviCRM is free software; you can copy, modify, and distribute it | |
| 11 | | under the terms of the GNU Affero General Public License | |
| 12 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | |
| 13 | | | |
| 14 | | CiviCRM is distributed in the hope that it will be useful, but | |
| 15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
| 17 | | See the GNU Affero General Public License for more details. | |
| 18 | | | |
| 19 | | You should have received a copy of the GNU Affero General Public | |
| 20 | | License and the CiviCRM Licensing Exception along | |
| 21 | | with this program; if not, contact CiviCRM LLC | |
| 22 | | at info[AT]civicrm[DOT]org. If you have questions about the | |
| 23 | | GNU Affero General Public License or the licensing of CiviCRM, | |
| 24 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | |
| 25 | +--------------------------------------------------------------------+ |
| 26 | */ |
| 27 | |
| 28 | /** |
| 29 | * The Cxn API allows a Civi site to initiate a connection to a |
| 30 | * remote application. There are three primary actions: |
| 31 | * |
| 32 | * - register: Establish a new connection. |
| 33 | * - unregister: Destroy an existing connection. |
| 34 | * - get: Get a list of existing connections. |
| 35 | */ |
| 36 | |
| 37 | /** |
| 38 | * Adjust metadata for "register" action. |
| 39 | * |
| 40 | * @param array $spec |
| 41 | * List of fields. |
| 42 | */ |
| 43 | function _civicrm_api3_cxn_register_spec(&$spec) { |
| 44 | $daoFields = CRM_Cxn_DAO_Cxn::fields(); |
| 45 | $spec['app_guid'] = $daoFields['app_guid']; |
| 46 | $spec['app_meta_url'] = array( |
| 47 | 'name' => 'app_meta_url', |
| 48 | 'type' => CRM_Utils_Type::T_STRING, |
| 49 | 'title' => ts('Application Metadata URL'), |
| 50 | 'description' => 'Application Metadata URL', |
| 51 | 'maxlength' => 255, |
| 52 | 'size' => CRM_Utils_Type::HUGE, |
| 53 | ); |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Register with a remote application and create a new connection. |
| 58 | * |
| 59 | * One should generally identify an application using the app_guid. |
| 60 | * However, if you need to test a new/experimental application, then |
| 61 | * disable CIVICRM_CXN_CA and specify app_meta_url. |
| 62 | * |
| 63 | * @param array $params |
| 64 | * Array with keys: |
| 65 | * - app_guid: The unique identifer of the target application. |
| 66 | * - app_meta_url: The URL for the application's metadata. |
| 67 | * @return array |
| 68 | * @throws Exception |
| 69 | */ |
| 70 | function civicrm_api3_cxn_register($params) { |
| 71 | if (!empty($params['app_meta_url'])) { |
| 72 | list ($status, $json) = CRM_Utils_HttpClient::singleton()->get($params['app_meta_url']); |
| 73 | if (CRM_Utils_HttpClient::STATUS_OK != $status) { |
| 74 | throw new API_Exception("Failed to download appMeta. (Bad HTTP response)"); |
| 75 | } |
| 76 | $appMeta = json_decode($json, TRUE); |
| 77 | if (empty($appMeta)) { |
| 78 | throw new API_Exception("Failed to download appMeta. (Malformed)"); |
| 79 | } |
| 80 | } |
| 81 | elseif (!empty($params['app_guid'])) { |
| 82 | $appMeta = civicrm_api3('CxnApp', 'getsingle', array( |
| 83 | 'appId' => $params['app_guid'], |
| 84 | )); |
| 85 | } |
| 86 | |
| 87 | if (empty($appMeta) || !is_array($appMeta)) { |
| 88 | throw new API_Exception("Missing expected parameter: app_guid"); |
| 89 | } |
| 90 | \Civi\Cxn\Rpc\AppMeta::validate($appMeta); |
| 91 | |
| 92 | try { |
| 93 | /** @var \Civi\Cxn\Rpc\RegistrationClient $client */ |
| 94 | $client = \Civi\Core\Container::singleton()->get('cxn_reg_client'); |
| 95 | list($cxnId, $result) = $client->register($appMeta); |
| 96 | CRM_Cxn_BAO_Cxn::updateAppMeta($appMeta); |
| 97 | } |
| 98 | catch (Exception $e) { |
| 99 | CRM_Cxn_BAO_Cxn::updateAppMeta($appMeta); |
| 100 | throw $e; |
| 101 | } |
| 102 | |
| 103 | return $result; |
| 104 | } |
| 105 | |
| 106 | function _civicrm_api3_cxn_unregister_spec(&$spec) { |
| 107 | $daoFields = CRM_Cxn_DAO_Cxn::fields(); |
| 108 | $spec['cxn_guid'] = $daoFields['cxn_guid']; |
| 109 | $spec['app_guid'] = $daoFields['app_guid']; |
| 110 | $spec['force'] = array( |
| 111 | 'name' => 'force', |
| 112 | 'type' => CRM_Utils_Type::T_BOOLEAN, |
| 113 | 'title' => ts('Force'), |
| 114 | 'description' => 'Destroy connection even if the remote application is non-responsive.', |
| 115 | 'default' => '0', |
| 116 | ); |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Unregister with a remote application; destroy an existing connection. |
| 121 | * |
| 122 | * Specify app_guid XOR cxn_guid. |
| 123 | * |
| 124 | * @param array $params |
| 125 | * Array with keys: |
| 126 | * - cxn_guid: string |
| 127 | * - app_guid: string |
| 128 | * - force: bool |
| 129 | * @return array |
| 130 | */ |
| 131 | function civicrm_api3_cxn_unregister($params) { |
| 132 | $cxnId = _civicrm_api3_cxn_parseCxnId($params); |
| 133 | $appMeta = CRM_Cxn_BAO_Cxn::getAppMeta($cxnId); |
| 134 | |
| 135 | /** @var \Civi\Cxn\Rpc\RegistrationClient $client */ |
| 136 | $client = \Civi\Core\Container::singleton()->get('cxn_reg_client'); |
| 137 | list($cxnId, $result) = $client->unregister($appMeta, CRM_Utils_Array::value('force', $params, FALSE)); |
| 138 | |
| 139 | return $result; |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * @param array $params |
| 144 | * An array with cxn_guid and/or app_guid. |
| 145 | * @return string |
| 146 | * The CxnId. (If not available, then an exception is thrown.) |
| 147 | * |
| 148 | * @throws API_Exception |
| 149 | */ |
| 150 | function _civicrm_api3_cxn_parseCxnId($params) { |
| 151 | $cxnId = NULL; |
| 152 | |
| 153 | if (!empty($params['cxn_guid'])) { |
| 154 | $cxnId = $params['cxn_guid']; |
| 155 | } |
| 156 | elseif (!empty($params['app_guid'])) { |
| 157 | $cxnId = CRM_Core_DAO::singleValueQuery('SELECT cxn_guid FROM civicrm_cxn WHERE app_guid = %1', array( |
| 158 | 1 => array($params['app_guid'], 'String'), |
| 159 | )); |
| 160 | if (!$cxnId) { |
| 161 | throw new API_Exception("The app_guid does not correspond to an active connection."); |
| 162 | } |
| 163 | } |
| 164 | if (!$cxnId) { |
| 165 | throw new API_Exception('Missing required parameter: cxn_guid'); |
| 166 | } |
| 167 | return $cxnId; |
| 168 | } |
| 169 | |
| 170 | function _civicrm_api3_cxn_get_spec(&$spec) { |
| 171 | // Don't trust AJAX callers or other external code to modify, filter, or return the secret. |
| 172 | unset($spec['secret']); |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Returns an array of Cxn records. |
| 177 | * |
| 178 | * @param array $params |
| 179 | * Array of one or more valid property_name=>value pairs. |
| 180 | * |
| 181 | * @return array |
| 182 | * API result array. |
| 183 | */ |
| 184 | function civicrm_api3_cxn_get($params) { |
| 185 | // Don't trust AJAX callers or other external code to modify, filter, or return the secret. |
| 186 | unset($params['secret']); |
| 187 | |
| 188 | $result = _civicrm_api3_basic_get(_civicrm_api3_get_BAO(__FUNCTION__), $params); |
| 189 | if (is_array($result['values'])) { |
| 190 | foreach (array_keys($result['values']) as $i) { |
| 191 | if (!empty($result['values'][$i]['app_meta'])) { |
| 192 | $result['values'][$i]['app_meta'] = json_decode($result['values'][$i]['app_meta'], TRUE); |
| 193 | } |
| 194 | if (!empty($result['values'][$i]['perm'])) { |
| 195 | $result['values'][$i]['perm'] = json_decode($result['values'][$i]['perm'], TRUE); |
| 196 | } |
| 197 | // Don't trust AJAX callers or other external code to modify, filter, or return the secret. |
| 198 | unset($result['values'][$i]['secret']); |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | return $result; |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Adjust metadata for "getlink" action. |
| 207 | * |
| 208 | * @param array $spec |
| 209 | * List of fields. |
| 210 | */ |
| 211 | function _civicrm_api3_cxn_getlink_spec(&$spec) { |
| 212 | $daoFields = CRM_Cxn_DAO_Cxn::fields(); |
| 213 | $spec['app_guid'] = $daoFields['app_guid']; |
| 214 | $spec['cxn_guid'] = $daoFields['cxn_guid']; |
| 215 | $spec['page'] = array( |
| 216 | 'name' => 'page', |
| 217 | 'type' => CRM_Utils_Type::T_STRING, |
| 218 | 'title' => ts('Page Type'), |
| 219 | 'description' => 'The type of page (eg "settings")', |
| 220 | 'maxlength' => 63, |
| 221 | 'size' => CRM_Utils_Type::HUGE, |
| 222 | ); |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * |
| 227 | * @param array $params |
| 228 | * Array with keys: |
| 229 | * - cxn_guid OR app_guid: string. |
| 230 | * - page: string. |
| 231 | * @return array |
| 232 | * @throws Exception |
| 233 | */ |
| 234 | function civicrm_api3_cxn_getlink($params) { |
| 235 | $cxnId = _civicrm_api3_cxn_parseCxnId($params); |
| 236 | $appMeta = CRM_Cxn_BAO_Cxn::getAppMeta($cxnId); |
| 237 | |
| 238 | if (empty($params['page']) || !is_string($params['page'])) { |
| 239 | throw new API_Exception("Invalid page"); |
| 240 | } |
| 241 | |
| 242 | /** @var \Civi\Cxn\Rpc\RegistrationClient $client */ |
| 243 | $client = \Civi\Core\Container::singleton()->get('cxn_reg_client'); |
| 244 | return $client->call($appMeta, 'Cxn', 'getlink', array( |
| 245 | 'page' => $params['page'], |
| 246 | )); |
| 247 | } |