diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -2352,6 +2352,7 @@
     'PhabricatorFeedStoryPublisher' => 'applications/feed/PhabricatorFeedStoryPublisher.php',
     'PhabricatorFeedStoryReference' => 'applications/feed/storage/PhabricatorFeedStoryReference.php',
     'PhabricatorFile' => 'applications/files/storage/PhabricatorFile.php',
+    'PhabricatorFileAccessTemporaryTokenType' => 'applications/files/temporarytoken/PhabricatorFileAccessTemporaryTokenType.php',
     'PhabricatorFileBundleLoader' => 'applications/files/query/PhabricatorFileBundleLoader.php',
     'PhabricatorFileChunk' => 'applications/files/storage/PhabricatorFileChunk.php',
     'PhabricatorFileChunkIterator' => 'applications/files/engine/PhabricatorFileChunkIterator.php',
@@ -6770,6 +6771,7 @@
       'PhabricatorPolicyInterface',
       'PhabricatorDestructibleInterface',
     ),
+    'PhabricatorFileAccessTemporaryTokenType' => 'PhabricatorAuthTemporaryTokenType',
     'PhabricatorFileBundleLoader' => 'Phobject',
     'PhabricatorFileChunk' => array(
       'PhabricatorFileDAO',
diff --git a/src/applications/files/storage/PhabricatorFile.php b/src/applications/files/storage/PhabricatorFile.php
--- a/src/applications/files/storage/PhabricatorFile.php
+++ b/src/applications/files/storage/PhabricatorFile.php
@@ -26,7 +26,6 @@
     PhabricatorPolicyInterface,
     PhabricatorDestructibleInterface {
 
-  const ONETIME_TEMPORARY_TOKEN_TYPE = 'file:onetime';
   const STORAGE_FORMAT_RAW  = 'raw';
 
   const METADATA_IMAGE_WIDTH  = 'width';
@@ -1119,12 +1118,13 @@
 
   protected function generateOneTimeToken() {
     $key = Filesystem::readRandomCharacters(16);
+    $token_type = PhabricatorFileAccessTemporaryTokenType::TOKENTYPE;
 
     // Save the new secret.
     $unguarded = AphrontWriteGuard::beginScopedUnguardedWrites();
       $token = id(new PhabricatorAuthTemporaryToken())
         ->setTokenResource($this->getPHID())
-        ->setTokenType(self::ONETIME_TEMPORARY_TOKEN_TYPE)
+        ->setTokenType($token_type)
         ->setTokenExpires(time() + phutil_units('1 hour in seconds'))
         ->setTokenCode(PhabricatorHash::digest($key))
         ->save();
@@ -1134,10 +1134,12 @@
   }
 
   public function validateOneTimeToken($token_code) {
+    $token_type = PhabricatorFileAccessTemporaryTokenType::TOKENTYPE;
+
     $token = id(new PhabricatorAuthTemporaryTokenQuery())
       ->setViewer(PhabricatorUser::getOmnipotentUser())
       ->withTokenResources(array($this->getPHID()))
-      ->withTokenTypes(array(self::ONETIME_TEMPORARY_TOKEN_TYPE))
+      ->withTokenTypes(array($token_type))
       ->withExpired(false)
       ->withTokenCodes(array(PhabricatorHash::digest($token_code)))
       ->executeOne();
diff --git a/src/applications/files/temporarytoken/PhabricatorFileAccessTemporaryTokenType.php b/src/applications/files/temporarytoken/PhabricatorFileAccessTemporaryTokenType.php
new file mode 100644
--- /dev/null
+++ b/src/applications/files/temporarytoken/PhabricatorFileAccessTemporaryTokenType.php
@@ -0,0 +1,17 @@
+<?php
+
+final class PhabricatorFileAccessTemporaryTokenType
+  extends PhabricatorAuthTemporaryTokenType {
+
+  const TOKENTYPE = 'file:onetime';
+
+  public function getTokenTypeDisplayName() {
+    return pht('File Access');
+  }
+
+  public function getTokenReadableTypeName(
+    PhabricatorAuthTemporaryToken $token) {
+    return pht('File Access Token');
+  }
+
+}