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   1  <?php
   2  
   3  final class DifferentialRevisionIDField
   4    extends DifferentialCustomField {
   5  
   6    private $revisionID;
   7  
   8    public function getFieldKey() {
   9      return 'differential:revision-id';
  10    }
  11  
  12    public function getFieldKeyForConduit() {
  13      return 'revisionID';
  14    }
  15  
  16    public function getFieldName() {
  17      return pht('Differential Revision');
  18    }
  19  
  20    public function getFieldDescription() {
  21      return pht(
  22        'Ties commits to revisions and provides a permananent link between '.
  23        'them.');
  24    }
  25  
  26    public function canDisableField() {
  27      return false;
  28    }
  29  
  30    public function shouldAppearInCommitMessage() {
  31      return true;
  32    }
  33  
  34    public function parseValueFromCommitMessage($value) {
  35      return self::parseRevisionIDFromURI($value);
  36    }
  37  
  38    public function renderCommitMessageValue(array $handles) {
  39      $id = coalesce($this->revisionID, $this->getObject()->getID());
  40      if (!$id) {
  41        return null;
  42      }
  43      return PhabricatorEnv::getProductionURI('/D'.$id);
  44    }
  45  
  46    public function readValueFromCommitMessage($value) {
  47      $this->revisionID = $value;
  48    }
  49  
  50    private static function parseRevisionIDFromURI($uri_string) {
  51      $uri = new PhutilURI($uri_string);
  52      $path = $uri->getPath();
  53  
  54      $matches = null;
  55      if (preg_match('#^/D(\d+)$#', $path, $matches)) {
  56        $id = (int)$matches[1];
  57  
  58        $prod_uri = new PhutilURI(PhabricatorEnv::getProductionURI('/D'.$id));
  59  
  60        // Make sure the URI is the same as our URI. Basically, we want to ignore
  61        // commits from other Phabricator installs.
  62        if ($uri->getDomain() == $prod_uri->getDomain()) {
  63          return $id;
  64        }
  65  
  66        $allowed_uris = PhabricatorEnv::getAllowedURIs('/D'.$id);
  67  
  68        foreach ($allowed_uris as $allowed_uri) {
  69          if ($uri_string == $allowed_uri) {
  70            return $id;
  71          }
  72        }
  73      }
  74  
  75      return null;
  76    }
  77  
  78  }