Index: src/applications/phriction/controller/PhrictionDocumentController.php
===================================================================
--- src/applications/phriction/controller/PhrictionDocumentController.php
+++ src/applications/phriction/controller/PhrictionDocumentController.php
@@ -40,9 +40,11 @@
       $document = new PhrictionDocument();
 
       if (PhrictionDocument::isProjectSlug($slug)) {
-        $project = id(new PhabricatorProject())->loadOneWhere(
-          'phrictionSlug = %s',
-          PhrictionDocument::getProjectSlugIdentifier($slug));
+        $project = id(new PhabricatorProjectQuery())
+          ->setViewer($user)
+          ->withPhrictionSlugs(array(
+            PhrictionDocument::getProjectSlugIdentifier($slug)))
+          ->executeOne();
         if (!$project) {
           return new Aphront404Response();
         }
@@ -214,9 +216,11 @@
 
     $project_phid = null;
     if (PhrictionDocument::isProjectSlug($slug)) {
-      $project = id(new PhabricatorProject())->loadOneWhere(
-        'phrictionSlug = %s',
-        PhrictionDocument::getProjectSlugIdentifier($slug));
+      $project = id(new PhabricatorProjectQuery())
+        ->setViewer($viewer)
+        ->withPhrictionSlugs(array(
+          PhrictionDocument::getProjectSlugIdentifier($slug)))
+        ->executeOne();
       if ($project) {
         $project_phid = $project->getPHID();
       }
Index: src/applications/phriction/controller/PhrictionEditController.php
===================================================================
--- src/applications/phriction/controller/PhrictionEditController.php
+++ src/applications/phriction/controller/PhrictionEditController.php
@@ -51,9 +51,11 @@
         $content = id(new PhrictionContent())->load($document->getContentID());
       } else {
         if (PhrictionDocument::isProjectSlug($slug)) {
-          $project = id(new PhabricatorProject())->loadOneWhere(
-            'phrictionSlug = %s',
-            PhrictionDocument::getProjectSlugIdentifier($slug));
+          $project = id(new PhabricatorProjectQuery())
+            ->setViewer($user)
+            ->withPhrictionSlugs(array(
+              PhrictionDocument::getProjectSlugIdentifier($slug)))
+            ->executeOne();
           if (!$project) {
             return new Aphront404Response();
           }
Index: src/applications/phriction/controller/PhrictionNewController.php
===================================================================
--- src/applications/phriction/controller/PhrictionNewController.php
+++ src/applications/phriction/controller/PhrictionNewController.php
@@ -33,7 +33,13 @@
           ->addSubmitButton(pht('Edit Document'));
 
         return id(new AphrontDialogResponse())->setDialog($dialog);
-      } elseif (substr($slug, 0, 9) == 'projects/') {
+      } else if (PhrictionDocument::isProjectSlug($slug)) {
+        $project = id(new PhabricatorProjectQuery())
+          ->setViewer($user)
+          ->withPhrictionSlugs(array(
+            PhrictionDocument::getProjectSlugIdentifier($slug)))
+          ->executeOne();
+        if (!$project) {
           $dialog = new AphrontDialogView();
           $dialog->setSubmitURI('/w/')
               ->setTitle(pht('Oops!'))
@@ -44,12 +50,12 @@
                   Create a new project with this name first.'))
               ->addCancelButton('/w/', 'Okay');
           return id(new AphrontDialogResponse())->setDialog($dialog);
-
-      } else {
-        $uri  = '/phriction/edit/?slug='.$slug;
-        return id(new AphrontRedirectResponse())
-          ->setURI($uri);
+        }
       }
+
+      $uri  = '/phriction/edit/?slug='.$slug;
+      return id(new AphrontRedirectResponse())
+        ->setURI($uri);
     }
 
     if ($slug == '/') {
Index: src/applications/phriction/editor/PhrictionDocumentEditor.php
===================================================================
--- src/applications/phriction/editor/PhrictionDocumentEditor.php
+++ src/applications/phriction/editor/PhrictionDocumentEditor.php
@@ -240,9 +240,11 @@
     $project_phid = null;
     $slug = $document->getSlug();
     if (PhrictionDocument::isProjectSlug($slug)) {
-      $project = id(new PhabricatorProject())->loadOneWhere(
-        'phrictionSlug = %s',
-        PhrictionDocument::getProjectSlugIdentifier($slug));
+      $project = id(new PhabricatorProjectQuery())
+        ->setViewer($this->requireActor())
+        ->withPhrictionSlugs(array(
+          PhrictionDocument::getProjectSlugIdentifier($slug)))
+        ->executeOne();
       if ($project) {
         $project_phid = $project->getPHID();
       }