3 +--------------------------------------------------------------------+
4 | CiviCRM version 4.6 |
5 +--------------------------------------------------------------------+
6 | Copyright CiviCRM LLC (c) 2004-2015 |
7 +--------------------------------------------------------------------+
8 | This file is a part of CiviCRM. |
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. |
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. |
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 +--------------------------------------------------------------------+
31 * @copyright CiviCRM LLC (c) 2004-2015
35 class CRM_Contact_BAO_Contact_Permission
{
38 * Check if the logged in user has permissions for the operation type.
42 * @param int|string $type the type of operation (view|edit)
45 * true if the user has permission, false otherwise
47 public static function allow($id, $type = CRM_Core_Permission
::VIEW
) {
49 $whereTables = array();
51 # FIXME: push this somewhere below, to not give this permission so many rights
52 $isDeleted = (bool) CRM_Core_DAO
::getFieldValue('CRM_Contact_DAO_Contact', $id, 'is_deleted');
53 if (CRM_Core_Permission
::check('access deleted contacts') && $isDeleted) {
57 // short circuit for admin rights here so we avoid unneeeded queries
58 // some duplication of code, but we skip 3-5 queries
59 if (CRM_Core_Permission
::check('edit all contacts') ||
60 ($type == CRM_ACL_API
::VIEW
&& CRM_Core_Permission
::check('view all contacts'))
65 //check permission based on relationship, CRM-2963
66 if (self
::relationship($id)) {
70 $permission = CRM_ACL_API
::whereClause($type, $tables, $whereTables);
72 $from = CRM_Contact_BAO_Query
::fromClause($whereTables);
75 SELECT count(DISTINCT contact_a.id)
77 WHERE contact_a.id = %1 AND $permission";
78 $params = array(1 => array($id, 'Integer'));
80 return (CRM_Core_DAO
::singleValueQuery($query, $params) > 0) ?
TRUE : FALSE;
84 * Fill the acl contact cache for this contact id if empty.
87 * @param int|string $type the type of operation (view|edit)
89 * Should we force a recompute.
93 public static function cache($userID, $type = CRM_Core_Permission
::VIEW
, $force = FALSE) {
94 static $_processed = array();
96 if ($type = CRM_Core_Permission
::VIEW
) {
97 $operationClause = " operation IN ( 'Edit', 'View' ) ";
101 $operationClause = " operation = 'Edit' ";
106 if (!empty($_processed[$userID])) {
110 // run a query to see if the cache is filled
113 FROM civicrm_acl_contact_cache
117 $params = array(1 => array($userID, 'Integer'));
118 $count = CRM_Core_DAO
::singleValueQuery($sql, $params);
120 $_processed[$userID] = 1;
126 $whereTables = array();
128 $permission = CRM_ACL_API
::whereClause($type, $tables, $whereTables, $userID);
130 $from = CRM_Contact_BAO_Query
::fromClause($whereTables);
132 CRM_Core_DAO
::executeQuery("
133 INSERT INTO civicrm_acl_contact_cache ( user_id, contact_id, operation )
134 SELECT $userID as user_id, contact_a.id as contact_id, '$operation' as operation
137 GROUP BY contact_a.id
138 ON DUPLICATE KEY UPDATE
139 user_id=VALUES(user_id),
140 contact_id=VALUES(contact_id),
141 operation=VALUES(operation)"
144 $_processed[$userID] = 1;
148 * Check if there are any contacts in cache table.
150 * @param int|string $type the type of operation (view|edit)
151 * @param int $contactID
156 public static function hasContactsInCache(
157 $type = CRM_Core_Permission
::VIEW
,
161 $session = CRM_Core_Session
::singleton();
162 $contactID = $session->get('userID');
165 if ($type = CRM_Core_Permission
::VIEW
) {
166 $operationClause = " operation IN ( 'Edit', 'View' ) ";
170 $operationClause = " operation = 'Edit' ";
175 self
::cache($contactID);
179 FROM civicrm_acl_contact_cache
181 AND $operationClause LIMIT 1";
183 $params = array(1 => array($contactID, 'Integer'));
184 return (bool) CRM_Core_DAO
::singleValueQuery($sql, $params);
188 * @param string $contactAlias
189 * @param int $contactID
193 public static function cacheClause($contactAlias = 'contact_a', $contactID = NULL) {
194 if (CRM_Core_Permission
::check('view all contacts') ||
195 CRM_Core_Permission
::check('edit all contacts')
197 if (is_array($contactAlias)) {
199 foreach ($contactAlias as $alias) {
201 $wheres[] = "$alias.is_deleted = 0";
203 return array(NULL, '(' . implode(' AND ', $wheres) . ')');
207 return array(NULL, "$contactAlias.is_deleted = 0");
211 $session = CRM_Core_Session
::singleton();
212 $contactID = $session->get('userID');
216 $contactID = CRM_Utils_Type
::escape($contactID, 'Integer');
218 self
::cache($contactID);
220 if (is_array($contactAlias) && !empty($contactAlias)) {
221 //More than one contact alias
223 foreach ($contactAlias as $k => $alias) {
224 $clauses[] = " INNER JOIN civicrm_acl_contact_cache aclContactCache_{$k} ON {$alias}.id = aclContactCache_{$k}.contact_id AND aclContactCache_{$k}.user_id = $contactID ";
227 $fromClause = implode(" ", $clauses);
231 $fromClause = " INNER JOIN civicrm_acl_contact_cache aclContactCache ON {$contactAlias}.id = aclContactCache.contact_id ";
232 $whereClase = " aclContactCache.user_id = $contactID AND $contactAlias.is_deleted = 0";
235 return array($fromClause, $whereClase);
239 * Get the permission base on its relationship.
241 * @param int $selectedContactID
242 * Contact id of selected contact.
243 * @param int $contactID
244 * Contact id of the current contact.
247 * true if logged in user has permission to view
248 * selected contact record else false
250 public static function relationship($selectedContactID, $contactID = NULL) {
251 $session = CRM_Core_Session
::singleton();
252 $config = CRM_Core_Config
::singleton();
254 $contactID = $session->get('userID');
259 if ($contactID == $selectedContactID &&
260 (CRM_Core_Permission
::check('edit my contact'))
265 if ($config->secondDegRelPermissions
) {
268 FROM civicrm_relationship firstdeg
269 LEFT JOIN civicrm_relationship seconddegaa
270 on firstdeg.contact_id_a = seconddegaa.contact_id_b
271 and seconddegaa.is_permission_b_a = 1
272 and firstdeg.is_permission_b_a = 1
273 and seconddegaa.is_active = 1
274 LEFT JOIN civicrm_relationship seconddegab
275 on firstdeg.contact_id_a = seconddegab.contact_id_a
276 and seconddegab.is_permission_a_b = 1
277 and firstdeg.is_permission_b_a = 1
278 and seconddegab.is_active = 1
279 LEFT JOIN civicrm_relationship seconddegba
280 on firstdeg.contact_id_b = seconddegba.contact_id_b
281 and seconddegba.is_permission_b_a = 1
282 and firstdeg.is_permission_a_b = 1
283 and seconddegba.is_active = 1
284 LEFT JOIN civicrm_relationship seconddegbb
285 on firstdeg.contact_id_b = seconddegbb.contact_id_a
286 and seconddegbb.is_permission_a_b = 1
287 and firstdeg.is_permission_a_b = 1
288 and seconddegbb.is_active = 1
291 ( firstdeg.contact_id_a = %1 AND firstdeg.contact_id_b = %2 AND firstdeg.is_permission_a_b = 1 )
292 OR ( firstdeg.contact_id_a = %2 AND firstdeg.contact_id_b = %1 AND firstdeg.is_permission_b_a = 1 )
294 firstdeg.contact_id_a = %1 AND seconddegba.contact_id_a = %2
295 AND (seconddegba.contact_id_a NOT IN (SELECT id FROM civicrm_contact WHERE is_deleted = 1))
298 firstdeg.contact_id_a = %1 AND seconddegbb.contact_id_b = %2
299 AND (seconddegbb.contact_id_b NOT IN (SELECT id FROM civicrm_contact WHERE is_deleted = 1))
302 firstdeg.contact_id_b = %1 AND seconddegab.contact_id_b = %2
303 AND (seconddegab.contact_id_b NOT IN (SELECT id FROM civicrm_contact WHERE is_deleted = 1))
306 firstdeg.contact_id_b = %1 AND seconddegaa.contact_id_a = %2 AND (seconddegaa.contact_id_a NOT IN (SELECT id FROM civicrm_contact WHERE is_deleted = 1))
309 AND (firstdeg.contact_id_a NOT IN (SELECT id FROM civicrm_contact WHERE is_deleted = 1))
310 AND (firstdeg.contact_id_b NOT IN (SELECT id FROM civicrm_contact WHERE is_deleted = 1))
311 AND ( firstdeg.is_active = 1)
317 FROM civicrm_relationship
318 WHERE (( contact_id_a = %1 AND contact_id_b = %2 AND is_permission_a_b = 1 ) OR
319 ( contact_id_a = %2 AND contact_id_b = %1 AND is_permission_b_a = 1 )) AND
320 (contact_id_a NOT IN (SELECT id FROM civicrm_contact WHERE is_deleted = 1)) AND
321 (contact_id_b NOT IN (SELECT id FROM civicrm_contact WHERE is_deleted = 1))
322 AND ( civicrm_relationship.is_active = 1 )
326 1 => array($contactID, 'Integer'),
327 2 => array($selectedContactID, 'Integer'),
329 return CRM_Core_DAO
::singleValueQuery($query, $params);
335 * @param int $contactID
336 * @param CRM_Core_Form $form
337 * @param bool $redirect
341 public static function validateOnlyChecksum($contactID, &$form, $redirect = TRUE) {
342 // check if this is of the format cs=XXX
343 if (!CRM_Contact_BAO_Contact_Utils
::validChecksum($contactID,
344 CRM_Utils_Request
::retrieve('cs', 'String', $form, FALSE)
348 // also set a message in the UF framework
349 $message = ts('You do not have permission to edit this contact record. Contact the site administrator if you need assistance.');
350 CRM_Utils_System
::setUFMessage($message);
352 $config = CRM_Core_Config
::singleton();
353 CRM_Core_Error
::statusBounce($message,
354 $config->userFrameworkBaseURL
356 // does not come here, we redirect in the above statement
361 // set appropriate AUTH source
362 self
::initChecksumAuthSrc(TRUE, $form);
364 // so here the contact is posing as $contactID, lets set the logging contact ID variable
366 CRM_Core_DAO
::executeQuery('SET @civicrm_user_id = %1',
367 array(1 => array($contactID, 'Integer'))
374 * @param bool $checkSumValidationResult
377 public static function initChecksumAuthSrc($checkSumValidationResult = FALSE, $form = NULL) {
378 $session = CRM_Core_Session
::singleton();
379 if ($checkSumValidationResult && $form && CRM_Utils_Request
::retrieve('cs', 'String', $form, FALSE)) {
380 // if result is already validated, and url has cs, set the flag.
381 $session->set('authSrc', CRM_Core_Permission
::AUTH_SRC_CHECKSUM
);
383 elseif (($session->get('authSrc') & CRM_Core_Permission
::AUTH_SRC_CHECKSUM
) == CRM_Core_Permission
::AUTH_SRC_CHECKSUM
) {
384 // if checksum wasn't present in REQUEST OR checksum result validated as FALSE,
385 // and flag was already set exactly as AUTH_SRC_CHECKSUM, unset it.
386 $session->set('authSrc', CRM_Core_Permission
::AUTH_SRC_UNKNOWN
);
391 * @param int $contactID
392 * @param CRM_Core_Form $form
393 * @param bool $redirect
397 public static function validateChecksumContact($contactID, &$form, $redirect = TRUE) {
398 if (!self
::allow($contactID, CRM_Core_Permission
::EDIT
)) {
399 // check if this is of the format cs=XXX
400 return self
::validateOnlyChecksum($contactID, $form, $redirect);