Add another pattern to quoted email body stripping

Summary:
Ref T3217. @hlau has an email client which quotes text with:

  ________________________________________
  From: ...

Add a regular expression to correctly detect this as quoted body text.

Test Plan: Add unit test; executed unit test.

Reviewers: btrahan, chad

Reviewed By: chad

CC: hlau, aran

Maniphest Tasks: T3217

Differential Revision: https://secure.phabricator.com/D5986

src/__phutil_library_map__.php

@@ -1118,8 +1118,8 @@ phutil_register_library_map(array(
     'PhabricatorMetaMTAConfigOptions' => 'applications/config/option/PhabricatorMetaMTAConfigOptions.php',
     'PhabricatorMetaMTAController' => 'applications/metamta/controller/PhabricatorMetaMTAController.php',
     'PhabricatorMetaMTADAO' => 'applications/metamta/storage/PhabricatorMetaMTADAO.php',
-    'PhabricatorMetaMTAEmailBodyParser' => 'applications/metamta/PhabricatorMetaMTAEmailBodyParser.php',
-    'PhabricatorMetaMTAEmailBodyParserTestCase' => 'applications/metamta/__tests__/PhabricatorMetaMTAEmailBodyParserTestCase.php',
+    'PhabricatorMetaMTAEmailBodyParser' => 'applications/metamta/parser/PhabricatorMetaMTAEmailBodyParser.php',
+    'PhabricatorMetaMTAEmailBodyParserTestCase' => 'applications/metamta/parser/__tests__/PhabricatorMetaMTAEmailBodyParserTestCase.php',
     'PhabricatorMetaMTAListController' => 'applications/metamta/controller/PhabricatorMetaMTAListController.php',
     'PhabricatorMetaMTAMail' => 'applications/metamta/storage/PhabricatorMetaMTAMail.php',
     'PhabricatorMetaMTAMailBody' => 'applications/metamta/view/PhabricatorMetaMTAMailBody.php',
@@ -2293,11 +2293,7 @@ phutil_register_library_map(array(
     'DivinerFileAtomizer' => 'DivinerAtomizer',
     'DivinerGenerateWorkflow' => 'DivinerWorkflow',
     'DivinerListController' => 'PhabricatorController',
-    'DivinerLiveAtom' =>
-    array(
-      0 => 'DivinerDAO',
-      1 => 'PhabricatorPolicyInterface',
-    ),
+    'DivinerLiveAtom' => 'DivinerDAO',
     'DivinerLiveBook' =>
     array(
       0 => 'DivinerDAO',

src/applications/metamta/parser/PhabricatorMetaMTAEmailBodyParser.php

@@ -24,6 +24,12 @@ final class PhabricatorMetaMTAEmailBodyParser {
       '',
       $body);
 
+    // See example in T3217.
+    $body = preg_replace(
+      '/^________________________________________\s+From:.*?/imsU',
+      '',
+      $body);
+
     return rtrim($body);
   }
 

src/applications/metamta/parser/__tests__/PhabricatorMetaMTAEmailBodyParserTestCase.php

@@ -102,6 +102,14 @@ OKAY
 
 Sent from my iPhone
 EOEMAIL
+,
+<<<EOMAIL
+OKAY
+
+________________________________________
+From: Abraham Lincoln <alincoln@logcab.in>
+Subject: Core World Tariffs
+EOMAIL
 ,
     );
   }