Merge pull request #1224 from kurund/CRM-12848

[civicrm-core.git] / api / v3 / utils.php

diff --git a/api/v3/utils.php b/api/v3/utils.php
index b29b0713a816aeafdccd8287d4a20d9e030ad13e..f0e714b7e0d8a708d6e7b71d29d1a3705ada201c 100644 (file)
--- a/api/v3/utils.php
+++ b/api/v3/utils.php
@@ -1471,10 +1471,14 @@ function _civicrm_api3_swap_out_aliases(&$apiRequest) {
 function _civicrm_api3_validate_integer(&$params, &$fieldName, &$fieldInfo, $entity) {
   //if fieldname exists in params
   if (CRM_Utils_Array::value($fieldName, $params)) {
-    //if value = 'user_contact_id' replace value with logged in user id
-    if ($params[$fieldName] == "user_contact_id") {
-      $session = &CRM_Core_Session::singleton();
-      $params[$fieldName] = $session->get('userID');
+    // if value = 'user_contact_id' (or similar), replace value with contact id
+    if (!is_numeric($params[$fieldName]) && is_scalar($params[$fieldName])) {
+      $realContactId = _civicrm_api3_resolve_contactID($params[$fieldName]);
+      if ('unknown-user' === $realContactId) {
+        throw new API_Exception("\"$fieldName\" \"{$params[$fieldName]}\" cannot be resolved to a contact ID", 2002, array('error_field' => $fieldName,"type"=>"integer"));
+      } elseif (is_numeric($realContactId)) {
+        $params[$fieldName] = $realContactId;
+      }
     }
     if (!empty($fieldInfo['pseudoconstant']) || !empty($fieldInfo['options'])) {
       _civicrm_api3_api_match_pseudoconstant($params, $entity, $fieldName, $fieldInfo);
@@ -1499,6 +1503,38 @@ function _civicrm_api3_validate_integer(&$params, &$fieldName, &$fieldInfo, $ent
   }
 }
 
+/**
+ * Determine a contact ID using a string expression
+ *
+ * @param string $contactIdExpr e.g. "user_contact_id" or "@user:username"
+ * @return int|NULL|'unknown-user'
+ */
+function  _civicrm_api3_resolve_contactID($contactIdExpr) {
+  //if value = 'user_contact_id' replace value with logged in user id
+  if ($contactIdExpr == "user_contact_id") {
+    $session = &CRM_Core_Session::singleton();
+    if (!is_numeric($session->get('userID'))) {
+      return NULL;
+    }
+    return $session->get('userID');
+  } elseif (preg_match('/^@user:(.*)$/', $contactIdExpr, $matches)) {
+    $config = CRM_Core_Config::singleton();
+
+    $ufID = $config->userSystem->getUfId($matches[1]);
+    if (!$ufID) {
+      return 'unknown-user';
+    }
+
+    $contactID = CRM_Core_BAO_UFMatch::getContactId($ufID);
+    if (!$contactID) {
+      return 'unknown-user';
+    }
+
+    return $contactID;
+  }
+  return NULL;
+}
+
 function _civicrm_api3_validate_html(&$params, &$fieldName, &$fieldInfo) {
   if ($value = CRM_Utils_Array::value($fieldName, $params)) {
     if (!CRM_Utils_Rule::xssString($value)) {