Make HeraldRuleQuery policy-aware

Summary: Ref T2769. dem policy checks

Test Plan: Loaded `/herald/`; loaded rule editor.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2769

Differential Revision: https://secure.phabricator.com/D6650

src/__phutil_library_map__.php

@@ -2634,7 +2634,7 @@ phutil_register_library_map(array(
     'HeraldRuleEditHistoryController' => 'HeraldController',
     'HeraldRuleEditHistoryView' => 'AphrontView',
     'HeraldRuleListView' => 'AphrontView',
-    'HeraldRuleQuery' => 'PhabricatorOffsetPagedQuery',
+    'HeraldRuleQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
     'HeraldTestConsoleController' => 'HeraldController',
     'HeraldTranscript' => 'HeraldDAO',
     'HeraldTranscriptController' => 'HeraldController',

src/applications/herald/controller/HeraldHomeController.php

@@ -26,7 +26,8 @@ final class HeraldHomeController extends HeraldController {
       return id(new AphrontRedirectResponse())->setURI($uri);
     }
 
-    $query = new HeraldRuleQuery();
+    $query = id(new HeraldRuleQuery())
+      ->setViewer($user);
 
     $content_type_map = HeraldContentTypeConfig::getContentTypeMap();
     if (empty($content_type_map[$this->contentType])) {

src/applications/herald/controller/HeraldRuleController.php

@@ -540,8 +540,11 @@ final class HeraldRuleController extends HeraldController {
    * allows one rule to depend upon the success or failure of another rule.
    */
   private function loadRulesThisRuleMayDependUpon(HeraldRule $rule) {
+    $viewer = $this->getRequest()->getUser();
+
     // Any rule can depend on a global rule.
     $all_rules = id(new HeraldRuleQuery())
+      ->setViewer($viewer)
       ->withRuleTypes(array(HeraldRuleTypeConfig::RULE_TYPE_GLOBAL))
       ->withContentTypes(array($rule->getContentType()))
       ->execute();
@@ -549,6 +552,7 @@ final class HeraldRuleController extends HeraldController {
     if ($rule->getRuleType() == HeraldRuleTypeConfig::RULE_TYPE_PERSONAL) {
       // Personal rules may depend upon your other personal rules.
       $all_rules += id(new HeraldRuleQuery())
+        ->setViewer($viewer)
         ->withRuleTypes(array(HeraldRuleTypeConfig::RULE_TYPE_PERSONAL))
         ->withContentTypes(array($rule->getContentType()))
         ->withAuthorPHIDs(array($rule->getAuthorPHID()))

src/applications/herald/query/HeraldRuleQuery.php

@@ -1,6 +1,7 @@
 <?php
 
-final class HeraldRuleQuery extends PhabricatorOffsetPagedQuery {
+final class HeraldRuleQuery
+  extends PhabricatorCursorPagedPolicyAwareQuery {
 
   private $ids;
   private $phids;
@@ -8,18 +9,6 @@ final class HeraldRuleQuery extends PhabricatorOffsetPagedQuery {
   private $ruleTypes;
   private $contentTypes;
 
-  // TODO: Remove when this becomes policy-aware.
-  private $viewer;
-
-  public function setViewer($viewer) {
-    $this->viewer = $viewer;
-    return $this;
-  }
-
-  public function getViewer() {
-    return $this->viewer;
-  }
-
   public function withIDs(array $ids) {
     $this->ids = $ids;
     return $this;
@@ -45,21 +34,17 @@ final class HeraldRuleQuery extends PhabricatorOffsetPagedQuery {
     return $this;
   }
 
-  public function execute() {
+  public function loadPage() {
     $table = new HeraldRule();
     $conn_r = $table->establishConnection('r');
 
-    $where = $this->buildWhereClause($conn_r);
-    $order = $this->buildOrderClause($conn_r);
-    $limit = $this->buildLimitClause($conn_r);
-
     $data = queryfx_all(
       $conn_r,
       'SELECT rule.* FROM %T rule %Q %Q %Q',
       $table->getTableName(),
-      $where,
+      $this->buildWhereClause($conn_r),
-      $order,
+      $this->buildOrderClause($conn_r),
-      $limit);
+      $this->buildLimitClause($conn_r));
 
     return $table->loadAllFromArray($data);
   }
@@ -102,11 +87,9 @@ final class HeraldRuleQuery extends PhabricatorOffsetPagedQuery {
         $this->contentTypes);
     }
 
+    $where[] = $this->buildPagingClause($conn_r);
+
     return $this->formatWhereClause($where);
   }
 
-  private function buildOrderClause($conn_r) {
-    return 'ORDER BY id DESC';
-  }
-
 }