Using PhabricatorExternalAccount

Summary: Using PhabricatorExternalAccount in place maniphest.default-public-author.

Test Plan:
Using receivemail to see if the a new entry is made in the 'phabircator_user.user_externalaccount' table. Few things, I noticed that phabricator creates table 'user_externalaccout'. And now it throws up error 'Unknown column 'dateCreated' in 'field list''. Awaiting your comments.
{F41370}

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin, AnhNhan

Maniphest Tasks: T1205

Differential Revision: https://secure.phabricator.com/D5747

conf/default.conf.php

@@ -547,7 +547,6 @@ return array(
   // preferences.
   'metamta.vary-subjects' => true,
 
-
 // -- Auth ------------------------------------------------------------------ //
 
   // Can users login with a username/password, or by following the link from
@@ -850,6 +849,9 @@ return array(
   // Contains a list of uninstalled applications
   'phabricator.uninstalled-applications' => array(),
 
+  // Allowing non-members to interact with tasks over email.
+  'phabricator.allow-email-users' => false,
+
 // -- Welcome Screen -------------------------------------------------------- //
 
   // The custom HTML content for the Phabricator welcome screen.

src/applications/config/option/PhabricatorCoreConfigOptions.php

@@ -153,6 +153,14 @@ final class PhabricatorCoreConfigOptions
       $this->newOption('phabricator.cache-namespace', 'string', null)
         ->setLocked(true)
         ->setDescription(pht('Cache namespace.')),
+      $this->newOption('phabricator.allow-email-users', 'bool', false)
+        ->setBoolOptions(
+            array(
+              pht('Allow'),
+              pht('Disallow'),
+              ))->setDescription(
+                 pht(
+                   'Allow non-members to interact with tasks over email.')),
       );
 
   }

src/applications/metamta/storage/PhabricatorMetaMTAReceivedMail.php

@@ -210,6 +210,26 @@ final class PhabricatorMetaMTAReceivedMail extends PhabricatorMetaMTADAO {
       $user = $this->lookupSender();
       if ($user) {
         $this->setAuthorPHID($user->getPHID());
+      } else {
+        $allow_email_users = PhabricatorEnv::getEnvConfig(
+          'phabricator.allow-email-users');
+
+        if ($allow_email_users) {
+          $email = new PhutilEmailAddress($from);
+
+          $user = id(new PhabricatorExternalAccount())->loadOneWhere(
+            'accountType = %s AND accountDomain IS NULL and accountID = %s',
+            'email', $email->getAddress());
+
+          if (!$user) {
+            $user = new PhabricatorExternalAccount();
+            $user->setAccountID($email->getAddress());
+            $user->setAccountType('email');
+            $user->setDisplayName($email->getDisplayName());
+            $user->save();
+
+          }
+
         } else {
           $default_author = PhabricatorEnv::getEnvConfig(
             'metamta.maniphest.default-public-author');
@@ -218,14 +238,14 @@ final class PhabricatorMetaMTAReceivedMail extends PhabricatorMetaMTADAO {
             $user = id(new PhabricatorUser())->loadOneWhere(
               'username = %s',
               $default_author);
-          if ($user) {
-            $receiver->setOriginalEmailSource($from);
-          } else {
+
+            if (!$user) {
               throw new Exception(
                 "Phabricator is misconfigured, the configuration key ".
                 "'metamta.maniphest.default-public-author' is set to user ".
                 "'{$default_author}' but that user does not exist.");
             }
+
           } else {
             // TODO: We should probably bounce these since from the user's
             // perspective their email vanishes into a black hole.
@@ -233,7 +253,10 @@ final class PhabricatorMetaMTAReceivedMail extends PhabricatorMetaMTADAO {
           }
         }
 
+      }
+
       $receiver->setAuthorPHID($user->getPHID());
+      $receiver->setOriginalEmailSource($from);
       $receiver->setPriority(ManiphestTaskPriority::PRIORITY_TRIAGE);
 
       $editor = new ManiphestTransactionEditor();

src/applications/people/storage/PhabricatorExternalAccount.php

@@ -2,15 +2,22 @@
 
 final class PhabricatorExternalAccount extends PhabricatorUserDAO {
 
-  private $userPHID;
-  private $accountType;
-  private $accountDomain;
-  private $accountSecret;
-  private $accountID;
-  private $displayName;
+  protected $userPHID;
+  protected $accountType;
+  protected $accountDomain;
+  protected $accountSecret;
+  protected $accountID;
+  protected $displayName;
 
   public function generatePHID() {
     return PhabricatorPHID::generateNewPHID(
       PhabricatorPHIDConstants::PHID_TYPE_XUSR);
   }
+
+  public function getConfiguration() {
+    return array(
+      self::CONFIG_AUX_PHID => true,
+    ) + parent::getConfiguration();
+  }
+
 }