| 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 extension manager handles installing, disabling enabling, and |
| 30 | * uninstalling extensions. |
| 31 | * |
| 32 | * @package CRM |
| 33 | * @copyright CiviCRM LLC (c) 2004-2015 |
| 34 | * $Id$ |
| 35 | * |
| 36 | */ |
| 37 | class CRM_Extension_Manager { |
| 38 | /** |
| 39 | * The extension is fully installed and enabled. |
| 40 | */ |
| 41 | const STATUS_INSTALLED = 'installed'; |
| 42 | |
| 43 | /** |
| 44 | * The extension config has been applied to database but deactivated. |
| 45 | */ |
| 46 | const STATUS_DISABLED = 'disabled'; |
| 47 | |
| 48 | /** |
| 49 | * The extension code is visible, but nothing has been applied to DB |
| 50 | */ |
| 51 | const STATUS_UNINSTALLED = 'uninstalled'; |
| 52 | |
| 53 | /** |
| 54 | * The extension code is not locally accessible |
| 55 | */ |
| 56 | const STATUS_UNKNOWN = 'unknown'; |
| 57 | |
| 58 | /** |
| 59 | * The extension is fully installed and enabled |
| 60 | */ |
| 61 | const STATUS_INSTALLED_MISSING = 'installed-missing'; |
| 62 | |
| 63 | /** |
| 64 | * The extension is fully installed and enabled |
| 65 | */ |
| 66 | const STATUS_DISABLED_MISSING = 'disabled-missing'; |
| 67 | |
| 68 | /** |
| 69 | * @var CRM_Extension_Container_Interface |
| 70 | * |
| 71 | * Note: Treat as private. This is only public to facilitate debugging. |
| 72 | */ |
| 73 | public $fullContainer; |
| 74 | |
| 75 | /** |
| 76 | * @var CRM_Extension_Container_Basic|FALSE |
| 77 | * |
| 78 | * Note: Treat as private. This is only public to facilitate debugging. |
| 79 | */ |
| 80 | public $defaultContainer; |
| 81 | |
| 82 | /** |
| 83 | * @var CRM_Extension_Mapper |
| 84 | * |
| 85 | * Note: Treat as private. This is only public to facilitate debugging. |
| 86 | */ |
| 87 | public $mapper; |
| 88 | |
| 89 | /** |
| 90 | * @var array (typeName => CRM_Extension_Manager_Interface) |
| 91 | * |
| 92 | * Note: Treat as private. This is only public to facilitate debugging. |
| 93 | */ |
| 94 | public $typeManagers; |
| 95 | |
| 96 | /** |
| 97 | * @var array (extensionKey => statusConstant) |
| 98 | * |
| 99 | * Note: Treat as private. This is only public to facilitate debugging. |
| 100 | */ |
| 101 | public $statuses; |
| 102 | |
| 103 | /** |
| 104 | * @param CRM_Extension_Container_Interface $fullContainer |
| 105 | * @param CRM_Extension_Container_Basic|FALSE $defaultContainer |
| 106 | * @param CRM_Extension_Mapper $mapper |
| 107 | * @param $typeManagers |
| 108 | */ |
| 109 | public function __construct(CRM_Extension_Container_Interface $fullContainer, $defaultContainer, CRM_Extension_Mapper $mapper, $typeManagers) { |
| 110 | $this->fullContainer = $fullContainer; |
| 111 | $this->defaultContainer = $defaultContainer; |
| 112 | $this->mapper = $mapper; |
| 113 | $this->typeManagers = $typeManagers; |
| 114 | } |
| 115 | |
| 116 | /** |
| 117 | * Install or upgrade the code for an extension -- and perform any |
| 118 | * necessary database changes (eg replacing extension metadata). |
| 119 | * |
| 120 | * This only works if the extension is stored in the default container. |
| 121 | * |
| 122 | * @param string $tmpCodeDir |
| 123 | * Path to a local directory containing a copy of the new (inert) code. |
| 124 | * @return void |
| 125 | * @throws CRM_Extension_Exception |
| 126 | */ |
| 127 | public function replace($tmpCodeDir) { |
| 128 | if (!$this->defaultContainer) { |
| 129 | throw new CRM_Extension_Exception("Default extension container is not configured"); |
| 130 | } |
| 131 | |
| 132 | $newInfo = CRM_Extension_Info::loadFromFile($tmpCodeDir . DIRECTORY_SEPARATOR . CRM_Extension_Info::FILENAME); |
| 133 | $oldStatus = $this->getStatus($newInfo->key); |
| 134 | |
| 135 | // find $tgtPath, $oldInfo, $typeManager |
| 136 | switch ($oldStatus) { |
| 137 | case self::STATUS_UNINSTALLED: |
| 138 | case self::STATUS_INSTALLED: |
| 139 | case self::STATUS_DISABLED: |
| 140 | // There is an old copy of the extension. Try to install in the same place -- but it must go somewhere in the default-container |
| 141 | list ($oldInfo, $typeManager) = $this->_getInfoTypeHandler($newInfo->key); // throws Exception |
| 142 | $tgtPath = $this->fullContainer->getPath($newInfo->key); |
| 143 | if (!CRM_Utils_File::isChildPath($this->defaultContainer->getBaseDir(), $tgtPath)) { |
| 144 | // force installation in the default-container |
| 145 | $oldPath = $tgtPath; |
| 146 | $tgtPath = $this->defaultContainer->getBaseDir() . DIRECTORY_SEPARATOR . $newInfo->key; |
| 147 | CRM_Core_Session::setStatus(ts('A copy of the extension (%1) is in a system folder (%2). The system copy will be preserved, but the new copy will be used.', array( |
| 148 | 1 => $newInfo->key, |
| 149 | 2 => $oldPath, |
| 150 | ))); |
| 151 | } |
| 152 | break; |
| 153 | |
| 154 | case self::STATUS_INSTALLED_MISSING: |
| 155 | case self::STATUS_DISABLED_MISSING: |
| 156 | // the extension does not exist in any container; we're free to put it anywhere |
| 157 | $tgtPath = $this->defaultContainer->getBaseDir() . DIRECTORY_SEPARATOR . $newInfo->key; |
| 158 | list ($oldInfo, $typeManager) = $this->_getMissingInfoTypeHandler($newInfo->key); // throws Exception |
| 159 | break; |
| 160 | |
| 161 | case self::STATUS_UNKNOWN: |
| 162 | // the extension does not exist in any container; we're free to put it anywhere |
| 163 | $tgtPath = $this->defaultContainer->getBaseDir() . DIRECTORY_SEPARATOR . $newInfo->key; |
| 164 | $oldInfo = $typeManager = NULL; |
| 165 | break; |
| 166 | |
| 167 | default: |
| 168 | throw new CRM_Extension_Exception("Cannot install or enable extension: {$newInfo->key}"); |
| 169 | } |
| 170 | |
| 171 | // move the code! |
| 172 | switch ($oldStatus) { |
| 173 | case self::STATUS_UNINSTALLED: |
| 174 | case self::STATUS_UNKNOWN: |
| 175 | // There are no DB records to worry about, so we'll just put the files in place |
| 176 | if (!CRM_Utils_File::replaceDir($tmpCodeDir, $tgtPath)) { |
| 177 | throw new CRM_Extension_Exception("Failed to move $tmpCodeDir to $tgtPath"); |
| 178 | } |
| 179 | break; |
| 180 | |
| 181 | case self::STATUS_INSTALLED: |
| 182 | case self::STATUS_INSTALLED_MISSING: |
| 183 | case self::STATUS_DISABLED: |
| 184 | case self::STATUS_DISABLED_MISSING: |
| 185 | // There are DB records; coordinate the file placement with the DB updates |
| 186 | $typeManager->onPreReplace($oldInfo, $newInfo); |
| 187 | if (!CRM_Utils_File::replaceDir($tmpCodeDir, $tgtPath)) { |
| 188 | throw new CRM_Extension_Exception("Failed to move $tmpCodeDir to $tgtPath"); |
| 189 | } |
| 190 | $this->_updateExtensionEntry($newInfo); |
| 191 | $typeManager->onPostReplace($oldInfo, $newInfo); |
| 192 | break; |
| 193 | |
| 194 | default: |
| 195 | throw new CRM_Extension_Exception("Cannot install or enable extension: {$newInfo->key}"); |
| 196 | } |
| 197 | |
| 198 | $this->refresh(); |
| 199 | CRM_Core_Invoke::rebuildMenuAndCaches(TRUE); |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * Add records of the extension to the database -- and enable it |
| 204 | * |
| 205 | * @param array $keys |
| 206 | * List of extension keys. |
| 207 | * @return void |
| 208 | * @throws CRM_Extension_Exception |
| 209 | */ |
| 210 | public function install($keys) { |
| 211 | $origStatuses = $this->getStatuses(); |
| 212 | |
| 213 | // TODO: to mitigate the risk of crashing during installation, scan |
| 214 | // keys/statuses/types before doing anything |
| 215 | |
| 216 | foreach ($keys as $key) { |
| 217 | list ($info, $typeManager) = $this->_getInfoTypeHandler($key); // throws Exception |
| 218 | |
| 219 | switch ($origStatuses[$key]) { |
| 220 | case self::STATUS_INSTALLED: |
| 221 | // ok, nothing to do |
| 222 | break; |
| 223 | |
| 224 | case self::STATUS_DISABLED: |
| 225 | // re-enable it |
| 226 | $typeManager->onPreEnable($info); |
| 227 | $this->_setExtensionActive($info, 1); |
| 228 | $typeManager->onPostEnable($info); |
| 229 | break; |
| 230 | |
| 231 | case self::STATUS_UNINSTALLED: |
| 232 | // install anew |
| 233 | $typeManager->onPreInstall($info); |
| 234 | $this->_createExtensionEntry($info); |
| 235 | $typeManager->onPostInstall($info); |
| 236 | break; |
| 237 | |
| 238 | case self::STATUS_UNKNOWN: |
| 239 | default: |
| 240 | throw new CRM_Extension_Exception("Cannot install or enable extension: $key"); |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | $this->statuses = NULL; |
| 245 | $this->mapper->refresh(); |
| 246 | CRM_Core_Invoke::rebuildMenuAndCaches(TRUE); |
| 247 | |
| 248 | foreach ($keys as $key) { |
| 249 | list ($info, $typeManager) = $this->_getInfoTypeHandler($key); // throws Exception |
| 250 | //print_r(array('post post?', $info, 'k' => $key, 'os'=> $origStatuses[$key])); |
| 251 | |
| 252 | switch ($origStatuses[$key]) { |
| 253 | case self::STATUS_INSTALLED: |
| 254 | // ok, nothing to do |
| 255 | break; |
| 256 | |
| 257 | case self::STATUS_DISABLED: |
| 258 | // re-enable it |
| 259 | break; |
| 260 | |
| 261 | case self::STATUS_UNINSTALLED: |
| 262 | // install anew |
| 263 | $typeManager->onPostPostInstall($info); |
| 264 | break; |
| 265 | |
| 266 | case self::STATUS_UNKNOWN: |
| 267 | default: |
| 268 | throw new CRM_Extension_Exception("Cannot install or enable extension: $key"); |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * Add records of the extension to the database -- and enable it |
| 276 | * |
| 277 | * @param array $keys |
| 278 | * List of extension keys. |
| 279 | * @return void |
| 280 | * @throws CRM_Extension_Exception |
| 281 | */ |
| 282 | public function enable($keys) { |
| 283 | $this->install($keys); |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * Add records of the extension to the database -- and enable it |
| 288 | * |
| 289 | * @param array $keys |
| 290 | * List of extension keys. |
| 291 | * @return void |
| 292 | * @throws CRM_Extension_Exception |
| 293 | */ |
| 294 | public function disable($keys) { |
| 295 | $origStatuses = $this->getStatuses(); |
| 296 | |
| 297 | // TODO: to mitigate the risk of crashing during installation, scan |
| 298 | // keys/statuses/types before doing anything |
| 299 | |
| 300 | foreach ($keys as $key) { |
| 301 | switch ($origStatuses[$key]) { |
| 302 | case self::STATUS_INSTALLED: |
| 303 | list ($info, $typeManager) = $this->_getInfoTypeHandler($key); // throws Exception |
| 304 | $typeManager->onPreDisable($info); |
| 305 | $this->_setExtensionActive($info, 0); |
| 306 | $typeManager->onPostDisable($info); |
| 307 | break; |
| 308 | |
| 309 | case self::STATUS_INSTALLED_MISSING: |
| 310 | list ($info, $typeManager) = $this->_getMissingInfoTypeHandler($key); // throws Exception |
| 311 | $typeManager->onPreDisable($info); |
| 312 | $this->_setExtensionActive($info, 0); |
| 313 | $typeManager->onPostDisable($info); |
| 314 | break; |
| 315 | |
| 316 | case self::STATUS_DISABLED: |
| 317 | case self::STATUS_DISABLED_MISSING: |
| 318 | case self::STATUS_UNINSTALLED: |
| 319 | // ok, nothing to do |
| 320 | break; |
| 321 | |
| 322 | case self::STATUS_UNKNOWN: |
| 323 | default: |
| 324 | throw new CRM_Extension_Exception("Cannot disable unknown extension: $key"); |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | $this->statuses = NULL; |
| 329 | $this->mapper->refresh(); |
| 330 | CRM_Core_Invoke::rebuildMenuAndCaches(TRUE); |
| 331 | } |
| 332 | |
| 333 | /** |
| 334 | * Remove all database references to an extension. |
| 335 | * |
| 336 | * Add records of the extension to the database -- and enable it |
| 337 | * |
| 338 | * @param array $keys |
| 339 | * List of extension keys. |
| 340 | * @return void |
| 341 | * @throws CRM_Extension_Exception |
| 342 | */ |
| 343 | public function uninstall($keys) { |
| 344 | $origStatuses = $this->getStatuses(); |
| 345 | |
| 346 | // TODO: to mitigate the risk of crashing during installation, scan |
| 347 | // keys/statuses/types before doing anything |
| 348 | |
| 349 | foreach ($keys as $key) { |
| 350 | switch ($origStatuses[$key]) { |
| 351 | case self::STATUS_INSTALLED: |
| 352 | case self::STATUS_INSTALLED_MISSING: |
| 353 | throw new CRM_Extension_Exception("Cannot uninstall extension; disable it first: $key"); |
| 354 | |
| 355 | case self::STATUS_DISABLED: |
| 356 | list ($info, $typeManager) = $this->_getInfoTypeHandler($key); // throws Exception |
| 357 | $typeManager->onPreUninstall($info); |
| 358 | $this->_removeExtensionEntry($info); |
| 359 | $typeManager->onPostUninstall($info); |
| 360 | break; |
| 361 | |
| 362 | case self::STATUS_DISABLED_MISSING: |
| 363 | list ($info, $typeManager) = $this->_getMissingInfoTypeHandler($key); // throws Exception |
| 364 | $typeManager->onPreUninstall($info); |
| 365 | $this->_removeExtensionEntry($info); |
| 366 | $typeManager->onPostUninstall($info); |
| 367 | break; |
| 368 | |
| 369 | case self::STATUS_UNINSTALLED: |
| 370 | // ok, nothing to do |
| 371 | break; |
| 372 | |
| 373 | case self::STATUS_UNKNOWN: |
| 374 | default: |
| 375 | throw new CRM_Extension_Exception("Cannot disable unknown extension: $key"); |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | $this->statuses = NULL; |
| 380 | $this->mapper->refresh(); |
| 381 | CRM_Core_Invoke::rebuildMenuAndCaches(TRUE); |
| 382 | } |
| 383 | |
| 384 | /** |
| 385 | * Determine the status of an extension. |
| 386 | * |
| 387 | * @param $key |
| 388 | * |
| 389 | * @return string |
| 390 | * constant (STATUS_INSTALLED, STATUS_DISABLED, STATUS_UNINSTALLED, STATUS_UNKNOWN) |
| 391 | */ |
| 392 | public function getStatus($key) { |
| 393 | $statuses = $this->getStatuses(); |
| 394 | if (array_key_exists($key, $statuses)) { |
| 395 | return $statuses[$key]; |
| 396 | } |
| 397 | else { |
| 398 | return self::STATUS_UNKNOWN; |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | /** |
| 403 | * Determine the status of all extensions. |
| 404 | * |
| 405 | * @return array |
| 406 | * ($key => status_constant) |
| 407 | */ |
| 408 | public function getStatuses() { |
| 409 | if (!is_array($this->statuses)) { |
| 410 | $this->statuses = array(); |
| 411 | |
| 412 | foreach ($this->fullContainer->getKeys() as $key) { |
| 413 | $this->statuses[$key] = self::STATUS_UNINSTALLED; |
| 414 | } |
| 415 | |
| 416 | $sql = ' |
| 417 | SELECT full_name, is_active |
| 418 | FROM civicrm_extension |
| 419 | '; |
| 420 | $dao = CRM_Core_DAO::executeQuery($sql); |
| 421 | while ($dao->fetch()) { |
| 422 | try { |
| 423 | $path = $this->fullContainer->getPath($dao->full_name); |
| 424 | $codeExists = !empty($path) && is_dir($path); |
| 425 | } |
| 426 | catch (CRM_Extension_Exception $e) { |
| 427 | $codeExists = FALSE; |
| 428 | } |
| 429 | if ($dao->is_active) { |
| 430 | $this->statuses[$dao->full_name] = $codeExists ? self::STATUS_INSTALLED : self::STATUS_INSTALLED_MISSING; |
| 431 | } |
| 432 | else { |
| 433 | $this->statuses[$dao->full_name] = $codeExists ? self::STATUS_DISABLED : self::STATUS_DISABLED_MISSING; |
| 434 | } |
| 435 | } |
| 436 | } |
| 437 | return $this->statuses; |
| 438 | } |
| 439 | |
| 440 | public function refresh() { |
| 441 | $this->statuses = NULL; |
| 442 | $this->fullContainer->refresh(); // and, indirectly, defaultContainer |
| 443 | $this->mapper->refresh(); |
| 444 | } |
| 445 | |
| 446 | // ---------------------- |
| 447 | |
| 448 | /** |
| 449 | * Find the $info and $typeManager for a $key |
| 450 | * |
| 451 | * @param $key |
| 452 | * |
| 453 | * @throws CRM_Extension_Exception |
| 454 | * @return array |
| 455 | * (0 => CRM_Extension_Info, 1 => CRM_Extension_Manager_Interface) |
| 456 | */ |
| 457 | private function _getInfoTypeHandler($key) { |
| 458 | $info = $this->mapper->keyToInfo($key); // throws Exception |
| 459 | if (array_key_exists($info->type, $this->typeManagers)) { |
| 460 | return array($info, $this->typeManagers[$info->type]); |
| 461 | } |
| 462 | else { |
| 463 | throw new CRM_Extension_Exception("Unrecognized extension type: " . $info->type); |
| 464 | } |
| 465 | } |
| 466 | |
| 467 | /** |
| 468 | * Find the $info and $typeManager for a $key |
| 469 | * |
| 470 | * @param $key |
| 471 | * |
| 472 | * @throws CRM_Extension_Exception |
| 473 | * @return array |
| 474 | * (0 => CRM_Extension_Info, 1 => CRM_Extension_Manager_Interface) |
| 475 | */ |
| 476 | private function _getMissingInfoTypeHandler($key) { |
| 477 | $info = $this->createInfoFromDB($key); |
| 478 | if ($info) { |
| 479 | if (array_key_exists($info->type, $this->typeManagers)) { |
| 480 | return array($info, $this->typeManagers[$info->type]); |
| 481 | } |
| 482 | else { |
| 483 | throw new CRM_Extension_Exception("Unrecognized extension type: " . $info->type); |
| 484 | } |
| 485 | } |
| 486 | else { |
| 487 | throw new CRM_Extension_Exception("Failed to reconstruct missing extension: " . $key); |
| 488 | } |
| 489 | } |
| 490 | |
| 491 | /** |
| 492 | * @param CRM_Extension_Info $info |
| 493 | * |
| 494 | * @return bool |
| 495 | */ |
| 496 | private function _createExtensionEntry(CRM_Extension_Info $info) { |
| 497 | $dao = new CRM_Core_DAO_Extension(); |
| 498 | $dao->label = $info->label; |
| 499 | $dao->name = $info->name; |
| 500 | $dao->full_name = $info->key; |
| 501 | $dao->type = $info->type; |
| 502 | $dao->file = $info->file; |
| 503 | $dao->is_active = 1; |
| 504 | return (bool) ($dao->insert()); |
| 505 | } |
| 506 | |
| 507 | /** |
| 508 | * @param CRM_Extension_Info $info |
| 509 | * |
| 510 | * @return bool |
| 511 | */ |
| 512 | private function _updateExtensionEntry(CRM_Extension_Info $info) { |
| 513 | $dao = new CRM_Core_DAO_Extension(); |
| 514 | $dao->full_name = $info->key; |
| 515 | if ($dao->find(TRUE)) { |
| 516 | $dao->label = $info->label; |
| 517 | $dao->name = $info->name; |
| 518 | $dao->full_name = $info->key; |
| 519 | $dao->type = $info->type; |
| 520 | $dao->file = $info->file; |
| 521 | $dao->is_active = 1; |
| 522 | return (bool) ($dao->update()); |
| 523 | } |
| 524 | else { |
| 525 | return $this->_createExtensionEntry($info); |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | /** |
| 530 | * @param CRM_Extension_Info $info |
| 531 | * |
| 532 | * @throws CRM_Extension_Exception |
| 533 | */ |
| 534 | private function _removeExtensionEntry(CRM_Extension_Info $info) { |
| 535 | $dao = new CRM_Core_DAO_Extension(); |
| 536 | $dao->full_name = $info->key; |
| 537 | if ($dao->find(TRUE)) { |
| 538 | if (CRM_Core_BAO_Extension::del($dao->id)) { |
| 539 | CRM_Core_Session::setStatus(ts('Selected option value has been deleted.'), ts('Deleted'), 'success'); |
| 540 | } |
| 541 | else { |
| 542 | throw new CRM_Extension_Exception("Failed to remove extension entry"); |
| 543 | } |
| 544 | } // else: post-condition already satisified |
| 545 | } |
| 546 | |
| 547 | /** |
| 548 | * @param CRM_Extension_Info $info |
| 549 | * @param $isActive |
| 550 | */ |
| 551 | private function _setExtensionActive(CRM_Extension_Info $info, $isActive) { |
| 552 | CRM_Core_DAO::executeQuery('UPDATE civicrm_extension SET is_active = %1 where full_name = %2', array( |
| 553 | 1 => array($isActive, 'Integer'), |
| 554 | 2 => array($info->key, 'String'), |
| 555 | )); |
| 556 | } |
| 557 | |
| 558 | /** |
| 559 | * Auto-generate a place-holder for a missing extension using info from |
| 560 | * database. |
| 561 | * |
| 562 | * @param $key |
| 563 | * @return CRM_Extension_Info|NULL |
| 564 | */ |
| 565 | public function createInfoFromDB($key) { |
| 566 | $dao = new CRM_Core_DAO_Extension(); |
| 567 | $dao->full_name = $key; |
| 568 | if ($dao->find(TRUE)) { |
| 569 | $info = new CRM_Extension_Info($dao->full_name, $dao->type, $dao->name, $dao->label, $dao->file); |
| 570 | return $info; |
| 571 | } |
| 572 | else { |
| 573 | return NULL; |
| 574 | } |
| 575 | } |
| 576 | |
| 577 | } |