Implement import profile picture from Gravatar

Summary: Add a field where you can put the gravatar email address to pull an image for the profile picture from

Test Plan: Tried uploading a file, replacing with default, and various combinations and they all still work.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2105

Differential Revision: https://secure.phabricator.com/D4809

src/applications/files/storage/PhabricatorFile.php

@@ -271,7 +271,7 @@ final class PhabricatorFile extends PhabricatorFileDAO
   }
 
 
-  public static function newFromFileDownload($uri, $name) {
+  public static function newFromFileDownload($uri, array $params) {
     $uri = new PhutilURI($uri);
 
     $protocol = $uri->getProtocol();
@@ -286,12 +286,11 @@ final class PhabricatorFile extends PhabricatorFileDAO
 
     $timeout = 5;
 
-    $file_data = HTTPSFuture::loadContent($uri, $timeout);
-    if ($file_data === false) {
-      return null;
-    }
+    list($file_data) = id(new HTTPSFuture($uri))
+        ->setTimeout($timeout)
+        ->resolvex();
 
-    return self::newFromFileData($file_data, array('name' => $name));
+    return self::newFromFileData($file_data, $params);
   }
 
   public static function normalizeFileName($file_name) {

src/applications/macro/storage/PhabricatorFileImageMacro.php

@@ -19,21 +19,6 @@ final class PhabricatorFileImageMacro extends PhabricatorFileDAO
       PhabricatorPHIDConstants::PHID_TYPE_MCRO);
   }
 
-  static public function newFromImageURI($uri, $file_name, $image_macro_name) {
-    $file = PhabricatorFile::newFromFileDownload($uri, $file_name);
-
-    if (!$file) {
-      return null;
-    }
-
-    $image_macro = new PhabricatorFileImageMacro();
-    $image_macro->setName($image_macro_name);
-    $image_macro->setFilePHID($file->getPHID());
-    $image_macro->save();
-
-    return $image_macro;
-  }
-
   public function isAutomaticallySubscribed($phid) {
     return false;
   }

src/applications/settings/panel/PhabricatorSettingsPanelProfile.php

@@ -46,17 +46,33 @@ final class PhabricatorSettingsPanelProfile
       $user->setTranslation($request->getStr('translation'));
 
       $default_image = $request->getExists('default_image');
+      $gravatar_email = $request->getStr('gravatar');
       if ($default_image) {
         $profile->setProfileImagePHID(null);
         $user->setProfileImagePHID(null);
-      } else if (!empty($_FILES['image'])) {
-        $err = idx($_FILES['image'], 'error');
-        if ($err != UPLOAD_ERR_NO_FILE) {
+      } else if (!empty($gravatar_email) || $request->getFileExists('image')) {
+        $file = null;
+        if (!empty($gravatar_email)) {
+          // These steps recommended by:
+          // https://en.gravatar.com/site/implement/hash/
+          $trimmed = trim($gravatar_email);
+          $lower_cased = strtolower($trimmed);
+          $hash = md5($lower_cased);
+          $url = 'http://www.gravatar.com/avatar/'.($hash).'?s=200';
+          $file = PhabricatorFile::newFromFileDownload(
+            $url,
+            array(
+              'name' => 'gravatar',
+              'authorPHID' => $user->getPHID(),
+            ));
+        } else if ($request->getFileExists('image')) {
           $file = PhabricatorFile::newFromPHPUpload(
             $_FILES['image'],
             array(
               'authorPHID' => $user->getPHID(),
             ));
+        }
+
         $okay = $file->isTransformableImage();
         if ($okay) {
           $xformer = new PhabricatorImageTransformer();
@@ -83,7 +99,6 @@ final class PhabricatorSettingsPanelProfile
             implode(', ', $supported_formats).'.';
         }
       }
-      }
 
       if (!$errors) {
         $user->save();
@@ -190,6 +205,12 @@ final class PhabricatorSettingsPanelProfile
           ->setName('image')
           ->setError($e_image)
           ->setCaption('Supported formats: '.implode(', ', $supported_formats)))
+      ->appendChild(
+        id(new AphrontFormTextControl())
+          ->setLabel('Import Gravatar')
+          ->setName('gravatar')
+          ->setError($e_image)
+          ->setCaption('Enter gravatar email address'))
       ->appendChild(
         id(new AphrontFormSubmitControl())
           ->setValue('Save')