Hide the blurb of a user when that user is disabled

Summary: T15074

Test Plan: Disabled a user, then made sure their blurb disappeared.

Reviewers: O1 Blessed Committers, avivey, speck

Reviewed By: O1 Blessed Committers, avivey, speck

Subscribers: 20after4, avivey, speck, tobiaswiese, valerio.bozzolan

Maniphest Tasks: T15074

Differential Revision: https://we.phorge.it/D25035

src/applications/people/storage/PhabricatorUser.php

@@ -320,12 +320,28 @@ final class PhabricatorUser
   const EMAIL_CYCLE_FREQUENCY = 86400;
   const EMAIL_TOKEN_LENGTH    = 24;
 
+  /**
+   * This function removes the blurb from a profile.
+   * This is an incredibly broad hammer to handle some spam on the upstream,
+   * which will be refined later.
+   *
+   * @return void
+   */
+  private function cleanUpProfile() {
+    $this->profile->setBlurb('');
+  }
+
   public function getUserProfile() {
     return $this->assertAttached($this->profile);
   }
 
   public function attachUserProfile(PhabricatorUserProfile $profile) {
     $this->profile = $profile;
+
+    if ($this->isDisabled) {
+      $this->cleanUpProfile();
+    }
+
     return $this;
   }
 
@@ -342,6 +358,10 @@ final class PhabricatorUser
       $this->profile = PhabricatorUserProfile::initializeNewProfile($this);
     }
 
+    if ($this->isDisabled) {
+      $this->cleanUpProfile();
+    }
+
     return $this->profile;
   }