diff --git a/src/aphront/response/AphrontAjaxResponse.php b/src/aphront/response/AphrontAjaxResponse.php
index 1ccb3fe97e..2187defc8f 100644
--- a/src/aphront/response/AphrontAjaxResponse.php
+++ b/src/aphront/response/AphrontAjaxResponse.php
@@ -1,91 +1,89 @@
 <?php
 
 final class AphrontAjaxResponse extends AphrontResponse {
 
   private $content;
   private $error;
   private $disableConsole;
 
   public function setContent($content) {
     $this->content = $content;
     return $this;
   }
 
   public function setError($error) {
     $this->error = $error;
     return $this;
   }
 
   public function setDisableConsole($disable) {
     $this->disableConsole = $disable;
     return $this;
   }
 
   private function getConsole() {
     if ($this->disableConsole) {
       $console = null;
     } else {
       $request = $this->getRequest();
       $console = $request->getApplicationConfiguration()->getConsole();
     }
     return $console;
   }
 
   public function buildResponseString() {
+    $request = $this->getRequest();
     $console = $this->getConsole();
     if ($console) {
       // NOTE: We're stripping query parameters here both for readability and
       // to mitigate BREACH and similar attacks. The parameters are available
       // in the "Request" tab, so this should not impact usability. See T3684.
-      $uri = $this->getRequest()->getRequestURI();
-      $uri = new PhutilURI($uri);
-      $uri->setQueryParams(array());
+      $path = $request->getPath();
 
       Javelin::initBehavior(
         'dark-console',
         array(
-          'uri'       => (string)$uri,
-          'key'       => $console->getKey($this->getRequest()),
+          'uri'       => $path,
+          'key'       => $console->getKey($request),
           'color'     => $console->getColor(),
-          'quicksand' => $this->getRequest()->isQuicksand(),
+          'quicksand' => $request->isQuicksand(),
         ));
     }
 
     // Flatten the response first, so we initialize any behaviors and metadata
     // we need to.
     $content = array(
       'payload' => $this->content,
     );
     $this->encodeJSONForHTTPResponse($content);
 
     $response = CelerityAPI::getStaticResourceResponse();
 
-    $request = $this->getRequest();
     if ($request) {
       $viewer = $request->getViewer();
       if ($viewer) {
         $postprocessor_key = $viewer->getUserSetting(
           PhabricatorAccessibilitySetting::SETTINGKEY);
         if (strlen($postprocessor_key)) {
           $response->setPostprocessorKey($postprocessor_key);
         }
       }
     }
 
     $object = $response->buildAjaxResponse(
       $content['payload'],
       $this->error);
 
     $response_json = $this->encodeJSONForHTTPResponse($object);
     return $this->addJSONShield($response_json);
   }
 
   public function getHeaders() {
     $headers = array(
       array('Content-Type', 'text/plain; charset=UTF-8'),
     );
     $headers = array_merge(parent::getHeaders(), $headers);
     return $headers;
   }
 
 }
diff --git a/src/applications/chatlog/controller/PhabricatorChatLogChannelLogController.php b/src/applications/chatlog/controller/PhabricatorChatLogChannelLogController.php
index 2c6e58da50..b9893f6924 100644
--- a/src/applications/chatlog/controller/PhabricatorChatLogChannelLogController.php
+++ b/src/applications/chatlog/controller/PhabricatorChatLogChannelLogController.php
@@ -1,321 +1,320 @@
 <?php
 
 final class PhabricatorChatLogChannelLogController
   extends PhabricatorChatLogController {
 
   public function shouldAllowPublic() {
     return true;
   }
 
   public function handleRequest(AphrontRequest $request) {
     $viewer = $request->getViewer();
     $id = $request->getURIData('channelID');
 
-    $uri = clone $request->getRequestURI();
-    $uri->setQueryParams(array());
+    $uri = new PhutilURI($request->getPath());
 
     $pager = new AphrontCursorPagerView();
     $pager->setURI($uri);
     $pager->setPageSize(250);
 
     $query = id(new PhabricatorChatLogQuery())
       ->setViewer($viewer)
       ->withChannelIDs(array($id));
 
     $channel = id(new PhabricatorChatLogChannelQuery())
       ->setViewer($viewer)
       ->withIDs(array($id))
       ->executeOne();
 
     if (!$channel) {
       return new Aphront404Response();
     }
 
     list($after, $before, $map) = $this->getPagingParameters($request, $query);
 
     $pager->setAfterID($after);
     $pager->setBeforeID($before);
 
     $logs = $query->executeWithCursorPager($pager);
 
     // Show chat logs oldest-first.
     $logs = array_reverse($logs);
 
 
     // Divide all the logs into blocks, where a block is the same author saying
     // several things in a row. A block ends when another user speaks, or when
     // two minutes pass without the author speaking.
 
     $blocks = array();
     $block = null;
 
     $last_author = null;
     $last_epoch = null;
     foreach ($logs as $log) {
       $this_author = $log->getAuthor();
       $this_epoch  = $log->getEpoch();
 
       // Decide whether we should start a new block or not.
       $new_block = ($this_author !== $last_author) ||
                    ($this_epoch - (60 * 2) > $last_epoch);
 
       if ($new_block) {
         if ($block) {
           $blocks[] = $block;
         }
         $block = array(
           'id'      => $log->getID(),
           'epoch'   => $this_epoch,
           'author'  => $this_author,
           'logs'    => array($log),
         );
       } else {
         $block['logs'][] = $log;
       }
 
       $last_author = $this_author;
       $last_epoch = $this_epoch;
     }
     if ($block) {
       $blocks[] = $block;
     }
 
     // Figure out CSS classes for the blocks. We alternate colors between
     // lines, and highlight the entire block which contains the target ID or
     // date, if applicable.
 
     foreach ($blocks as $key => $block) {
       $classes = array();
       if ($key % 2) {
         $classes[] = 'alternate';
       }
       $ids = mpull($block['logs'], 'getID', 'getID');
       if (array_intersect_key($ids, $map)) {
         $classes[] = 'highlight';
       }
       $blocks[$key]['class'] = $classes ? implode(' ', $classes) : null;
     }
 
 
     require_celerity_resource('phabricator-chatlog-css');
 
     $out = array();
     foreach ($blocks as $block) {
       $author = $block['author'];
       $author = id(new PhutilUTF8StringTruncator())
         ->setMaximumGlyphs(18)
         ->truncateString($author);
       $author = phutil_tag('td', array('class' => 'author'), $author);
 
       $href = $uri->alter('at', $block['id']);
       $timestamp = $block['epoch'];
       $timestamp = phabricator_datetime($timestamp, $viewer);
       $timestamp = phutil_tag(
         'a',
           array(
             'href' => $href,
             'class' => 'timestamp',
           ),
         $timestamp);
 
       $message = mpull($block['logs'], 'getMessage');
       $message = implode("\n", $message);
       $message = phutil_tag(
         'td',
           array(
             'class' => 'message',
           ),
           array(
             $timestamp,
             $message,
           ));
 
       $out[] = phutil_tag(
         'tr',
         array(
           'class' => $block['class'],
         ),
         array(
           $author,
           $message,
         ));
     }
 
     $links = array();
 
     $first_uri = $pager->getFirstPageURI();
     if ($first_uri) {
       $links[] = phutil_tag(
         'a',
         array(
           'href' => $first_uri,
         ),
         "\xC2\xAB ".pht('Newest'));
     }
 
     $prev_uri = $pager->getPrevPageURI();
     if ($prev_uri) {
       $links[] = phutil_tag(
         'a',
         array(
           'href' => $prev_uri,
         ),
         "\xE2\x80\xB9 ".pht('Newer'));
     }
 
     $next_uri = $pager->getNextPageURI();
     if ($next_uri) {
       $links[] = phutil_tag(
         'a',
         array(
           'href' => $next_uri,
         ),
         pht('Older')." \xE2\x80\xBA");
     }
 
     $pager_bottom = phutil_tag(
       'div',
       array('class' => 'phabricator-chat-log-pager-bottom'),
       $links);
 
     $crumbs = $this
       ->buildApplicationCrumbs()
       ->addTextCrumb($channel->getChannelName(), $uri);
 
     $form = id(new AphrontFormView())
       ->setUser($viewer)
       ->setMethod('GET')
       ->setAction($uri)
       ->appendChild(
         id(new AphrontFormTextControl())
           ->setLabel(pht('Date'))
           ->setName('date')
           ->setValue($request->getStr('date')))
       ->appendChild(
         id(new AphrontFormSubmitControl())
           ->setValue(pht('Jump')));
 
     $table = phutil_tag(
       'table',
         array(
           'class' => 'phabricator-chat-log',
         ),
       $out);
 
     $log = phutil_tag(
       'div',
         array(
           'class' => 'phabricator-chat-log-panel',
         ),
         $table);
 
     $jump_link = id(new PHUIButtonView())
       ->setTag('a')
       ->setHref('#latest')
       ->setText(pht('Jump to Bottom'))
       ->setIcon('fa-arrow-circle-down');
 
     $jump_target = phutil_tag(
       'div',
         array(
           'id' => 'latest',
         ));
 
     $content = phutil_tag(
       'div',
         array(
           'class' => 'phabricator-chat-log-wrap',
         ),
         array(
           $log,
           $jump_target,
           $pager_bottom,
         ));
 
     $header = id(new PHUIHeaderView())
       ->setHeader($channel->getChannelName())
       ->setSubHeader($channel->getServiceName())
       ->addActionLink($jump_link);
 
     $box = id(new PHUIObjectBoxView())
       ->setHeader($header)
       ->setCollapsed(true)
       ->appendChild($content);
 
     $box->setShowHide(
       pht('Search Dates'),
       pht('Hide Dates'),
       $form,
       '#');
 
     return $this->newPage()
       ->setTitle(pht('Channel Log'))
       ->setCrumbs($crumbs)
       ->appendChild($box);
 
   }
 
   /**
    * From request parameters, figure out where we should jump to in the log.
    * We jump to either a date or log ID, but load a few lines of context before
    * it so the user can see the nearby conversation.
    */
   private function getPagingParameters(
     AphrontRequest $request,
     PhabricatorChatLogQuery $query) {
 
     $viewer = $request->getViewer();
 
     $at_id = $request->getInt('at');
     $at_date = $request->getStr('date');
 
     $context_log = null;
     $map = array();
 
     $query = clone $query;
     $query->setLimit(8);
 
     if ($at_id) {
       // Jump to the log in question, and load a few lines of context before
       // it.
       $context_logs = $query
         ->setAfterID($at_id)
         ->execute();
 
       $context_log = last($context_logs);
 
       $map = array(
         $at_id => true,
       );
 
     } else if ($at_date) {
       $timestamp = PhabricatorTime::parseLocalTime($at_date, $viewer);
 
       if ($timestamp) {
         $context_logs = $query
           ->withMaximumEpoch($timestamp)
           ->execute();
 
         $context_log = last($context_logs);
 
         $target_log = head($context_logs);
         if ($target_log) {
           $map = array(
             $target_log->getID() => true,
           );
         }
       }
     }
 
     if ($context_log) {
       $after = null;
       $before = $context_log->getID() - 1;
     } else {
       $after = $request->getInt('after');
       $before = $request->getInt('before');
     }
 
     return array($after, $before, $map);
   }
 
 }
diff --git a/src/applications/metamta/applicationpanel/PhabricatorMetaMTAApplicationEmailPanel.php b/src/applications/metamta/applicationpanel/PhabricatorMetaMTAApplicationEmailPanel.php
index c13835e6f4..2f9ddcf22b 100644
--- a/src/applications/metamta/applicationpanel/PhabricatorMetaMTAApplicationEmailPanel.php
+++ b/src/applications/metamta/applicationpanel/PhabricatorMetaMTAApplicationEmailPanel.php
@@ -1,423 +1,422 @@
 <?php
 
 final class PhabricatorMetaMTAApplicationEmailPanel
   extends PhabricatorApplicationConfigurationPanel {
 
   public function getPanelKey() {
     return 'email';
   }
 
   public function shouldShowForApplication(
     PhabricatorApplication $application) {
     return $application->supportsEmailIntegration();
   }
 
   public function buildConfigurationPagePanel() {
     $viewer = $this->getViewer();
     $application = $this->getApplication();
 
     $table = $this->buildEmailTable($is_edit = false, null);
 
     $can_edit = PhabricatorPolicyFilter::hasCapability(
       $viewer,
       $application,
       PhabricatorPolicyCapability::CAN_EDIT);
 
     $header = id(new PHUIHeaderView())
       ->setHeader(pht('Application Emails'))
       ->addActionLink(
         id(new PHUIButtonView())
           ->setTag('a')
           ->setText(pht('Edit Application Emails'))
           ->setIcon('fa-pencil')
           ->setHref($this->getPanelURI())
           ->setDisabled(!$can_edit)
           ->setWorkflow(!$can_edit));
 
 
     $box = id(new PHUIObjectBoxView())
       ->setHeader($header)
       ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
       ->setTable($table);
 
     return $box;
   }
 
   public function handlePanelRequest(
     AphrontRequest $request,
     PhabricatorController $controller) {
     $viewer = $request->getViewer();
     $application = $this->getApplication();
 
     $path = $request->getURIData('path');
     if (strlen($path)) {
       return new Aphront404Response();
     }
 
-    $uri = $request->getRequestURI();
-    $uri->setQueryParams(array());
+    $uri = new PhutilURI($request->getPath());
 
     $new = $request->getStr('new');
     $edit = $request->getInt('edit');
     $delete = $request->getInt('delete');
 
     if ($new) {
       return $this->returnNewAddressResponse($request, $uri, $application);
     }
 
     if ($edit) {
       return $this->returnEditAddressResponse($request, $uri, $edit);
     }
 
     if ($delete) {
       return $this->returnDeleteAddressResponse($request, $uri, $delete);
     }
 
     $table = $this->buildEmailTable(
       $is_edit = true,
       $request->getInt('id'));
 
     $form = id(new AphrontFormView())
       ->setUser($viewer);
 
     $crumbs = $controller->buildPanelCrumbs($this);
     $crumbs->addTextCrumb(pht('Edit Application Emails'));
     $crumbs->setBorder(true);
 
     $header = id(new PHUIHeaderView())
       ->setHeader(pht('Edit Application Emails: %s', $application->getName()))
       ->setSubheader($application->getAppEmailBlurb())
       ->setHeaderIcon('fa-pencil');
 
     $icon = id(new PHUIIconView())
       ->setIcon('fa-plus');
     $button = new PHUIButtonView();
     $button->setText(pht('Add New Address'));
     $button->setTag('a');
     $button->setHref($uri->alter('new', 'true'));
     $button->setIcon($icon);
     $button->addSigil('workflow');
     $header->addActionLink($button);
 
     $object_box = id(new PHUIObjectBoxView())
       ->setHeaderText(pht('Emails'))
       ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
       ->setTable($table);
 
     $title = $application->getName();
     $view = id(new PHUITwoColumnView())
       ->setHeader($header)
       ->setFooter($object_box);
 
     return $controller->buildPanelPage(
       $this,
       $title,
       $crumbs,
       $view);
   }
 
   private function returnNewAddressResponse(
     AphrontRequest $request,
     PhutilURI $uri,
     PhabricatorApplication $application) {
 
     $viewer = $request->getUser();
     $email_object =
       PhabricatorMetaMTAApplicationEmail::initializeNewAppEmail($viewer)
       ->setApplicationPHID($application->getPHID());
 
     return $this->returnSaveAddressResponse(
       $request,
       $uri,
       $email_object,
       $is_new = true);
   }
 
   private function returnEditAddressResponse(
     AphrontRequest $request,
     PhutilURI $uri,
     $email_object_id) {
 
     $viewer = $request->getUser();
     $email_object = id(new PhabricatorMetaMTAApplicationEmailQuery())
       ->setViewer($viewer)
       ->withIDs(array($email_object_id))
       ->requireCapabilities(
         array(
           PhabricatorPolicyCapability::CAN_VIEW,
           PhabricatorPolicyCapability::CAN_EDIT,
         ))
       ->executeOne();
     if (!$email_object) {
       return new Aphront404Response();
     }
 
     return $this->returnSaveAddressResponse(
       $request,
       $uri,
       $email_object,
       $is_new = false);
   }
 
   private function returnSaveAddressResponse(
     AphrontRequest $request,
     PhutilURI $uri,
     PhabricatorMetaMTAApplicationEmail $email_object,
     $is_new) {
 
     $viewer = $request->getUser();
 
     $config_default =
       PhabricatorMetaMTAApplicationEmail::CONFIG_DEFAULT_AUTHOR;
 
     $e_email = true;
     $v_email = $email_object->getAddress();
     $e_space = null;
     $v_space = $email_object->getSpacePHID();
     $v_default = $email_object->getConfigValue($config_default);
 
     $validation_exception = null;
     if ($request->isDialogFormPost()) {
       $e_email = null;
 
       $v_email = trim($request->getStr('email'));
       $v_space = $request->getStr('spacePHID');
       $v_default = $request->getArr($config_default);
       $v_default = nonempty(head($v_default), null);
 
       $type_address =
         PhabricatorMetaMTAApplicationEmailTransaction::TYPE_ADDRESS;
       $type_space = PhabricatorTransactions::TYPE_SPACE;
       $type_config =
         PhabricatorMetaMTAApplicationEmailTransaction::TYPE_CONFIG;
 
       $key_config = PhabricatorMetaMTAApplicationEmailTransaction::KEY_CONFIG;
 
       $xactions = array();
 
       $xactions[] = id(new PhabricatorMetaMTAApplicationEmailTransaction())
         ->setTransactionType($type_address)
         ->setNewValue($v_email);
 
       $xactions[] = id(new PhabricatorMetaMTAApplicationEmailTransaction())
         ->setTransactionType($type_space)
         ->setNewValue($v_space);
 
       $xactions[] = id(new PhabricatorMetaMTAApplicationEmailTransaction())
         ->setTransactionType($type_config)
         ->setMetadataValue($key_config, $config_default)
         ->setNewValue($v_default);
 
       $editor = id(new PhabricatorMetaMTAApplicationEmailEditor())
         ->setActor($viewer)
         ->setContentSourceFromRequest($request)
         ->setContinueOnNoEffect(true);
 
       try {
         $editor->applyTransactions($email_object, $xactions);
 
         return id(new AphrontRedirectResponse())->setURI(
           $uri->alter('highlight', $email_object->getID()));
       } catch (PhabricatorApplicationTransactionValidationException $ex) {
         $validation_exception = $ex;
         $e_email = $ex->getShortMessage($type_address);
         $e_space = $ex->getShortMessage($type_space);
       }
     }
 
     if ($v_default) {
       $v_default = array($v_default);
     } else {
       $v_default = array();
     }
 
     $form = id(new AphrontFormView())
       ->setUser($viewer)
       ->appendChild(
         id(new AphrontFormTextControl())
           ->setLabel(pht('Email'))
           ->setName('email')
           ->setValue($v_email)
           ->setError($e_email));
 
     if (PhabricatorSpacesNamespaceQuery::getViewerSpacesExist($viewer)) {
       $form->appendControl(
         id(new AphrontFormSelectControl())
           ->setLabel(pht('Space'))
           ->setName('spacePHID')
           ->setValue($v_space)
           ->setError($e_space)
           ->setOptions(
             PhabricatorSpacesNamespaceQuery::getSpaceOptionsForViewer(
               $viewer,
               $v_space)));
     }
 
     $form
       ->appendControl(
         id(new AphrontFormTokenizerControl())
           ->setDatasource(new PhabricatorPeopleDatasource())
           ->setLabel(pht('Default Author'))
           ->setName($config_default)
           ->setLimit(1)
           ->setValue($v_default)
           ->setCaption(
             pht(
               'Used if the "From:" address does not map to a user account. '.
               'Setting a default author will allow anyone on the public '.
               'internet to create objects in Phabricator by sending email to '.
               'this address.')));
 
     if ($is_new) {
       $title = pht('New Address');
     } else {
       $title = pht('Edit Address');
     }
 
     $dialog = id(new AphrontDialogView())
       ->setUser($viewer)
       ->setWidth(AphrontDialogView::WIDTH_FORM)
       ->setTitle($title)
       ->setValidationException($validation_exception)
       ->appendForm($form)
       ->addSubmitButton(pht('Save'))
       ->addCancelButton($uri);
 
     if ($is_new) {
       $dialog->addHiddenInput('new', 'true');
     }
 
     return id(new AphrontDialogResponse())->setDialog($dialog);
   }
 
   private function returnDeleteAddressResponse(
     AphrontRequest $request,
     PhutilURI $uri,
     $email_object_id) {
 
     $viewer = $this->getViewer();
 
     $email_object = id(new PhabricatorMetaMTAApplicationEmailQuery())
       ->setViewer($viewer)
       ->withIDs(array($email_object_id))
       ->requireCapabilities(
         array(
           PhabricatorPolicyCapability::CAN_VIEW,
           PhabricatorPolicyCapability::CAN_EDIT,
         ))
       ->executeOne();
     if (!$email_object) {
       return new Aphront404Response();
     }
 
     if ($request->isDialogFormPost()) {
       $engine = new PhabricatorDestructionEngine();
       $engine->destroyObject($email_object);
       return id(new AphrontRedirectResponse())->setURI($uri);
     }
 
     $dialog = id(new AphrontDialogView())
       ->setUser($viewer)
       ->addHiddenInput('delete', $email_object_id)
       ->setTitle(pht('Delete Address'))
       ->appendParagraph(pht(
         'Are you sure you want to delete this email address?'))
       ->addSubmitButton(pht('Delete'))
       ->addCancelButton($uri);
 
     return id(new AphrontDialogResponse())->setDialog($dialog);
   }
 
   private function buildEmailTable($is_edit, $highlight) {
     $viewer = $this->getViewer();
     $application = $this->getApplication();
     $uri = new PhutilURI($this->getPanelURI());
 
     $emails = id(new PhabricatorMetaMTAApplicationEmailQuery())
       ->setViewer($viewer)
       ->withApplicationPHIDs(array($application->getPHID()))
       ->execute();
 
     $rowc = array();
     $rows = array();
     foreach ($emails as $email) {
 
       $button_edit = javelin_tag(
         'a',
         array(
           'class' => 'button small button-grey',
           'href'  => $uri->alter('edit', $email->getID()),
           'sigil' => 'workflow',
         ),
         pht('Edit'));
 
       $button_remove = javelin_tag(
         'a',
         array(
           'class'   => 'button small button-grey',
           'href'    => $uri->alter('delete', $email->getID()),
           'sigil'   => 'workflow',
         ),
         pht('Delete'));
 
       if ($highlight == $email->getID()) {
         $rowc[] = 'highlighted';
       } else {
         $rowc[] = null;
       }
 
       $space_phid = PhabricatorSpacesNamespaceQuery::getObjectSpacePHID($email);
       if ($space_phid) {
         $email_space = $viewer->renderHandle($space_phid);
       } else {
         $email_space = null;
       }
 
       $default_author_phid = $email->getDefaultAuthorPHID();
       if (!$default_author_phid) {
         $default_author = phutil_tag('em', array(), pht('None'));
       } else {
         $default_author = $viewer->renderHandle($default_author_phid);
       }
 
       $rows[] = array(
         $email_space,
         $email->getAddress(),
         $default_author,
         $button_edit,
         $button_remove,
       );
     }
 
     $table = id(new AphrontTableView($rows))
       ->setNoDataString(pht('No application emails created yet.'));
     $table->setHeaders(
       array(
         pht('Space'),
         pht('Email'),
         pht('Default'),
         pht('Edit'),
         pht('Delete'),
       ));
     $table->setColumnClasses(
       array(
         '',
         '',
         'wide',
         'action',
         'action',
       ));
     $table->setRowClasses($rowc);
     $table->setColumnVisibility(
       array(
         PhabricatorSpacesNamespaceQuery::getViewerSpacesExist($viewer),
         true,
         true,
         $is_edit,
         $is_edit,
       ));
 
     return $table;
   }
 
 }
diff --git a/src/applications/settings/panel/PhabricatorEmailAddressesSettingsPanel.php b/src/applications/settings/panel/PhabricatorEmailAddressesSettingsPanel.php
index 1b69adcd62..8f7f633e7e 100644
--- a/src/applications/settings/panel/PhabricatorEmailAddressesSettingsPanel.php
+++ b/src/applications/settings/panel/PhabricatorEmailAddressesSettingsPanel.php
@@ -1,415 +1,414 @@
 <?php
 
 final class PhabricatorEmailAddressesSettingsPanel
   extends PhabricatorSettingsPanel {
 
   public function getPanelKey() {
     return 'email';
   }
 
   public function getPanelName() {
     return pht('Email Addresses');
   }
 
   public function getPanelMenuIcon() {
     return 'fa-at';
   }
 
   public function getPanelGroupKey() {
     return PhabricatorSettingsEmailPanelGroup::PANELGROUPKEY;
   }
 
   public function isEditableByAdministrators() {
     if ($this->getUser()->getIsMailingList()) {
       return true;
     }
 
     return false;
   }
 
   public function processRequest(AphrontRequest $request) {
     $user = $this->getUser();
     $editable = PhabricatorEnv::getEnvConfig('account.editable');
 
-    $uri = $request->getRequestURI();
-    $uri->setQueryParams(array());
+    $uri = new PhutilURI($request->getPath());
 
     if ($editable) {
       $new = $request->getStr('new');
       if ($new) {
         return $this->returnNewAddressResponse($request, $uri, $new);
       }
 
       $delete = $request->getInt('delete');
       if ($delete) {
         return $this->returnDeleteAddressResponse($request, $uri, $delete);
       }
     }
 
     $verify = $request->getInt('verify');
     if ($verify) {
       return $this->returnVerifyAddressResponse($request, $uri, $verify);
     }
 
     $primary = $request->getInt('primary');
     if ($primary) {
       return $this->returnPrimaryAddressResponse($request, $uri, $primary);
     }
 
     $emails = id(new PhabricatorUserEmail())->loadAllWhere(
       'userPHID = %s ORDER BY address',
       $user->getPHID());
 
     $rowc = array();
     $rows = array();
     foreach ($emails as $email) {
 
       $button_verify = javelin_tag(
         'a',
         array(
           'class' => 'button small button-grey',
           'href'  => $uri->alter('verify', $email->getID()),
           'sigil' => 'workflow',
         ),
         pht('Verify'));
 
       $button_make_primary = javelin_tag(
         'a',
         array(
           'class' => 'button small button-grey',
           'href'  => $uri->alter('primary', $email->getID()),
           'sigil' => 'workflow',
         ),
         pht('Make Primary'));
 
       $button_remove = javelin_tag(
         'a',
         array(
           'class'   => 'button small button-grey',
           'href'    => $uri->alter('delete', $email->getID()),
           'sigil'   => 'workflow',
         ),
         pht('Remove'));
 
       $button_primary = phutil_tag(
         'a',
         array(
           'class' => 'button small disabled',
         ),
         pht('Primary'));
 
       if (!$email->getIsVerified()) {
         $action = $button_verify;
       } else if ($email->getIsPrimary()) {
         $action = $button_primary;
       } else {
         $action = $button_make_primary;
       }
 
       if ($email->getIsPrimary()) {
         $remove = $button_primary;
         $rowc[] = 'highlighted';
       } else {
         $remove = $button_remove;
         $rowc[] = null;
       }
 
       $rows[] = array(
         $email->getAddress(),
         $action,
         $remove,
       );
     }
 
     $table = new AphrontTableView($rows);
     $table->setHeaders(
       array(
         pht('Email'),
         pht('Status'),
         pht('Remove'),
       ));
     $table->setColumnClasses(
       array(
         'wide',
         'action',
         'action',
       ));
     $table->setRowClasses($rowc);
     $table->setColumnVisibility(
       array(
         true,
         true,
         $editable,
       ));
 
     $buttons = array();
     if ($editable) {
       $buttons[] = id(new PHUIButtonView())
         ->setTag('a')
         ->setIcon('fa-plus')
         ->setText(pht('Add New Address'))
         ->setHref($uri->alter('new', 'true'))
         ->addSigil('workflow')
         ->setColor(PHUIButtonView::GREY);
     }
 
     return $this->newBox(pht('Email Addresses'), $table, $buttons);
   }
 
   private function returnNewAddressResponse(
     AphrontRequest $request,
     PhutilURI $uri,
     $new) {
 
     $user = $this->getUser();
     $viewer = $this->getViewer();
 
     $token = id(new PhabricatorAuthSessionEngine())->requireHighSecuritySession(
       $viewer,
       $request,
       $this->getPanelURI());
 
     $e_email = true;
     $email   = null;
     $errors  = array();
     if ($request->isDialogFormPost()) {
       $email = trim($request->getStr('email'));
 
       if ($new == 'verify') {
         // The user clicked "Done" from the "an email has been sent" dialog.
         return id(new AphrontReloadResponse())->setURI($uri);
       }
 
       PhabricatorSystemActionEngine::willTakeAction(
         array($viewer->getPHID()),
         new PhabricatorSettingsAddEmailAction(),
         1);
 
       if (!strlen($email)) {
         $e_email = pht('Required');
         $errors[] = pht('Email is required.');
       } else if (!PhabricatorUserEmail::isValidAddress($email)) {
         $e_email = pht('Invalid');
         $errors[] = PhabricatorUserEmail::describeValidAddresses();
       } else if (!PhabricatorUserEmail::isAllowedAddress($email)) {
         $e_email = pht('Disallowed');
         $errors[] = PhabricatorUserEmail::describeAllowedAddresses();
       }
       if ($e_email === true) {
         $application_email = id(new PhabricatorMetaMTAApplicationEmailQuery())
           ->setViewer(PhabricatorUser::getOmnipotentUser())
           ->withAddresses(array($email))
           ->executeOne();
         if ($application_email) {
           $e_email = pht('In Use');
           $errors[] = $application_email->getInUseMessage();
         }
       }
 
       if (!$errors) {
         $object = id(new PhabricatorUserEmail())
           ->setAddress($email)
           ->setIsVerified(0);
 
         // If an administrator is editing a mailing list, automatically verify
         // the address.
         if ($viewer->getPHID() != $user->getPHID()) {
           if ($viewer->getIsAdmin()) {
             $object->setIsVerified(1);
           }
         }
 
         try {
           id(new PhabricatorUserEditor())
             ->setActor($viewer)
             ->addEmail($user, $object);
 
           if ($object->getIsVerified()) {
             // If we autoverified the address, just reload the page.
             return id(new AphrontReloadResponse())->setURI($uri);
           }
 
           $object->sendVerificationEmail($user);
 
           $dialog = $this->newDialog()
             ->addHiddenInput('new',  'verify')
             ->setTitle(pht('Verification Email Sent'))
             ->appendChild(phutil_tag('p', array(), pht(
               'A verification email has been sent. Click the link in the '.
               'email to verify your address.')))
             ->setSubmitURI($uri)
             ->addSubmitButton(pht('Done'));
 
           return id(new AphrontDialogResponse())->setDialog($dialog);
         } catch (AphrontDuplicateKeyQueryException $ex) {
           $e_email = pht('Duplicate');
           $errors[] = pht('Another user already has this email.');
         }
       }
     }
 
     if ($errors) {
       $errors = id(new PHUIInfoView())
         ->setErrors($errors);
     }
 
     $form = id(new PHUIFormLayoutView())
       ->appendChild(
         id(new AphrontFormTextControl())
           ->setLabel(pht('Email'))
           ->setName('email')
           ->setValue($email)
           ->setCaption(PhabricatorUserEmail::describeAllowedAddresses())
           ->setError($e_email));
 
     $dialog = $this->newDialog()
       ->addHiddenInput('new', 'true')
       ->setTitle(pht('New Address'))
       ->appendChild($errors)
       ->appendChild($form)
       ->addSubmitButton(pht('Save'))
       ->addCancelButton($uri);
 
     return id(new AphrontDialogResponse())->setDialog($dialog);
   }
 
   private function returnDeleteAddressResponse(
     AphrontRequest $request,
     PhutilURI $uri,
     $email_id) {
     $user = $this->getUser();
     $viewer = $this->getViewer();
 
     $token = id(new PhabricatorAuthSessionEngine())->requireHighSecuritySession(
       $viewer,
       $request,
       $this->getPanelURI());
 
     // NOTE: You can only delete your own email addresses, and you can not
     // delete your primary address.
     $email = id(new PhabricatorUserEmail())->loadOneWhere(
       'id = %d AND userPHID = %s AND isPrimary = 0',
       $email_id,
       $user->getPHID());
 
     if (!$email) {
       return new Aphront404Response();
     }
 
     if ($request->isFormPost()) {
       id(new PhabricatorUserEditor())
         ->setActor($viewer)
         ->removeEmail($user, $email);
 
       return id(new AphrontRedirectResponse())->setURI($uri);
     }
 
     $address = $email->getAddress();
 
     $dialog = id(new AphrontDialogView())
       ->setUser($viewer)
       ->addHiddenInput('delete', $email_id)
       ->setTitle(pht("Really delete address '%s'?", $address))
       ->appendParagraph(
         pht(
           'Are you sure you want to delete this address? You will no '.
           'longer be able to use it to login.'))
       ->appendParagraph(
         pht(
           'Note: Removing an email address from your account will invalidate '.
           'any outstanding password reset links.'))
       ->addSubmitButton(pht('Delete'))
       ->addCancelButton($uri);
 
     return id(new AphrontDialogResponse())->setDialog($dialog);
   }
 
   private function returnVerifyAddressResponse(
     AphrontRequest $request,
     PhutilURI $uri,
     $email_id) {
     $user = $this->getUser();
     $viewer = $this->getViewer();
 
     // NOTE: You can only send more email for your unverified addresses.
     $email = id(new PhabricatorUserEmail())->loadOneWhere(
       'id = %d AND userPHID = %s AND isVerified = 0',
       $email_id,
       $user->getPHID());
 
     if (!$email) {
       return new Aphront404Response();
     }
 
     if ($request->isFormPost()) {
       $email->sendVerificationEmail($user);
       return id(new AphrontRedirectResponse())->setURI($uri);
     }
 
     $address = $email->getAddress();
 
     $dialog = id(new AphrontDialogView())
       ->setUser($viewer)
       ->addHiddenInput('verify', $email_id)
       ->setTitle(pht('Send Another Verification Email?'))
       ->appendChild(phutil_tag('p', array(), pht(
         'Send another copy of the verification email to %s?',
         $address)))
       ->addSubmitButton(pht('Send Email'))
       ->addCancelButton($uri);
 
     return id(new AphrontDialogResponse())->setDialog($dialog);
   }
 
   private function returnPrimaryAddressResponse(
     AphrontRequest $request,
     PhutilURI $uri,
     $email_id) {
     $user = $this->getUser();
     $viewer = $this->getViewer();
 
     $token = id(new PhabricatorAuthSessionEngine())->requireHighSecuritySession(
       $viewer,
       $request,
       $this->getPanelURI());
 
     // NOTE: You can only make your own verified addresses primary.
     $email = id(new PhabricatorUserEmail())->loadOneWhere(
       'id = %d AND userPHID = %s AND isVerified = 1 AND isPrimary = 0',
       $email_id,
       $user->getPHID());
 
     if (!$email) {
       return new Aphront404Response();
     }
 
     if ($request->isFormPost()) {
       id(new PhabricatorUserEditor())
         ->setActor($viewer)
         ->changePrimaryEmail($user, $email);
 
       return id(new AphrontRedirectResponse())->setURI($uri);
     }
 
     $address = $email->getAddress();
 
     $dialog = id(new AphrontDialogView())
       ->setUser($viewer)
       ->addHiddenInput('primary', $email_id)
       ->setTitle(pht('Change primary email address?'))
       ->appendParagraph(
         pht(
           'If you change your primary address, Phabricator will send all '.
           'email to %s.',
           $address))
       ->appendParagraph(
         pht(
           'Note: Changing your primary email address will invalidate any '.
           'outstanding password reset links.'))
       ->addSubmitButton(pht('Change Primary Address'))
       ->addCancelButton($uri);
 
     return id(new AphrontDialogResponse())->setDialog($dialog);
   }
 
 }
diff --git a/src/applications/transactions/editengine/PhabricatorEditEngine.php b/src/applications/transactions/editengine/PhabricatorEditEngine.php
index feb783e724..d1a2fb72b9 100644
--- a/src/applications/transactions/editengine/PhabricatorEditEngine.php
+++ b/src/applications/transactions/editengine/PhabricatorEditEngine.php
@@ -1,2668 +1,2667 @@
 <?php
 
 
 /**
  * @task fields Managing Fields
  * @task text Display Text
  * @task config Edit Engine Configuration
  * @task uri Managing URIs
  * @task load Creating and Loading Objects
  * @task web Responding to Web Requests
  * @task edit Responding to Edit Requests
  * @task http Responding to HTTP Parameter Requests
  * @task conduit Responding to Conduit Requests
  */
 abstract class PhabricatorEditEngine
   extends Phobject
   implements PhabricatorPolicyInterface {
 
   const EDITENGINECONFIG_DEFAULT = 'default';
 
   const SUBTYPE_DEFAULT = 'default';
 
   private $viewer;
   private $controller;
   private $isCreate;
   private $editEngineConfiguration;
   private $contextParameters = array();
   private $targetObject;
   private $page;
   private $pages;
   private $navigation;
 
   final public function setViewer(PhabricatorUser $viewer) {
     $this->viewer = $viewer;
     return $this;
   }
 
   final public function getViewer() {
     return $this->viewer;
   }
 
   final public function setController(PhabricatorController $controller) {
     $this->controller = $controller;
     $this->setViewer($controller->getViewer());
     return $this;
   }
 
   final public function getController() {
     return $this->controller;
   }
 
   final public function getEngineKey() {
     $key = $this->getPhobjectClassConstant('ENGINECONST', 64);
     if (strpos($key, '/') !== false) {
       throw new Exception(
         pht(
           'EditEngine ("%s") contains an invalid key character "/".',
           get_class($this)));
     }
     return $key;
   }
 
   final public function getApplication() {
     $app_class = $this->getEngineApplicationClass();
     return PhabricatorApplication::getByClass($app_class);
   }
 
   final public function addContextParameter($key) {
     $this->contextParameters[] = $key;
     return $this;
   }
 
   public function isEngineConfigurable() {
     return true;
   }
 
   public function isEngineExtensible() {
     return true;
   }
 
   public function isDefaultQuickCreateEngine() {
     return false;
   }
 
   public function getDefaultQuickCreateFormKeys() {
     $keys = array();
 
     if ($this->isDefaultQuickCreateEngine()) {
       $keys[] = self::EDITENGINECONFIG_DEFAULT;
     }
 
     foreach ($keys as $idx => $key) {
       $keys[$idx] = $this->getEngineKey().'/'.$key;
     }
 
     return $keys;
   }
 
   public static function splitFullKey($full_key) {
     return explode('/', $full_key, 2);
   }
 
   public function getQuickCreateOrderVector() {
     return id(new PhutilSortVector())
       ->addString($this->getObjectCreateShortText());
   }
 
   /**
    * Force the engine to edit a particular object.
    */
   public function setTargetObject($target_object) {
     $this->targetObject = $target_object;
     return $this;
   }
 
   public function getTargetObject() {
     return $this->targetObject;
   }
 
   public function setNavigation(AphrontSideNavFilterView $navigation) {
     $this->navigation = $navigation;
     return $this;
   }
 
   public function getNavigation() {
     return $this->navigation;
   }
 
 
 /* -(  Managing Fields  )---------------------------------------------------- */
 
 
   abstract public function getEngineApplicationClass();
   abstract protected function buildCustomEditFields($object);
 
   public function getFieldsForConfig(
     PhabricatorEditEngineConfiguration $config) {
 
     $object = $this->newEditableObject();
 
     $this->editEngineConfiguration = $config;
 
     // This is mostly making sure that we fill in default values.
     $this->setIsCreate(true);
 
     return $this->buildEditFields($object);
   }
 
   final protected function buildEditFields($object) {
     $viewer = $this->getViewer();
 
     $fields = $this->buildCustomEditFields($object);
 
     foreach ($fields as $field) {
       $field
         ->setViewer($viewer)
         ->setObject($object);
     }
 
     $fields = mpull($fields, null, 'getKey');
 
     if ($this->isEngineExtensible()) {
       $extensions = PhabricatorEditEngineExtension::getAllEnabledExtensions();
     } else {
       $extensions = array();
     }
 
     foreach ($extensions as $extension) {
       $extension->setViewer($viewer);
 
       if (!$extension->supportsObject($this, $object)) {
         continue;
       }
 
       $extension_fields = $extension->buildCustomEditFields($this, $object);
 
       // TODO: Validate this in more detail with a more tailored error.
       assert_instances_of($extension_fields, 'PhabricatorEditField');
 
       foreach ($extension_fields as $field) {
         $field
           ->setViewer($viewer)
           ->setObject($object);
 
         $group_key = $field->getBulkEditGroupKey();
         if ($group_key === null) {
           $field->setBulkEditGroupKey('extension');
         }
       }
 
       $extension_fields = mpull($extension_fields, null, 'getKey');
 
       foreach ($extension_fields as $key => $field) {
         $fields[$key] = $field;
       }
     }
 
     $config = $this->getEditEngineConfiguration();
     $fields = $this->willConfigureFields($object, $fields);
     $fields = $config->applyConfigurationToFields($this, $object, $fields);
 
     $fields = $this->applyPageToFields($object, $fields);
 
     return $fields;
   }
 
   protected function willConfigureFields($object, array $fields) {
     return $fields;
   }
 
   final public function supportsSubtypes() {
     try {
       $object = $this->newEditableObject();
     } catch (Exception $ex) {
       return false;
     }
 
     return ($object instanceof PhabricatorEditEngineSubtypeInterface);
   }
 
   final public function newSubtypeMap() {
     return $this->newEditableObject()->newEditEngineSubtypeMap();
   }
 
 
 /* -(  Display Text  )------------------------------------------------------- */
 
 
   /**
    * @task text
    */
   abstract public function getEngineName();
 
 
   /**
    * @task text
    */
   abstract protected function getObjectCreateTitleText($object);
 
   /**
    * @task text
    */
   protected function getFormHeaderText($object) {
     $config = $this->getEditEngineConfiguration();
     return $config->getName();
   }
 
   /**
    * @task text
    */
   abstract protected function getObjectEditTitleText($object);
 
 
   /**
    * @task text
    */
   abstract protected function getObjectCreateShortText();
 
 
   /**
    * @task text
    */
   abstract protected function getObjectName();
 
 
   /**
    * @task text
    */
   abstract protected function getObjectEditShortText($object);
 
 
   /**
    * @task text
    */
   protected function getObjectCreateButtonText($object) {
     return $this->getObjectCreateTitleText($object);
   }
 
 
   /**
    * @task text
    */
   protected function getObjectEditButtonText($object) {
     return pht('Save Changes');
   }
 
 
   /**
    * @task text
    */
   protected function getCommentViewSeriousHeaderText($object) {
     return pht('Take Action');
   }
 
 
   /**
    * @task text
    */
   protected function getCommentViewSeriousButtonText($object) {
     return pht('Submit');
   }
 
 
   /**
    * @task text
    */
   protected function getCommentViewHeaderText($object) {
     return $this->getCommentViewSeriousHeaderText($object);
   }
 
 
   /**
    * @task text
    */
   protected function getCommentViewButtonText($object) {
     return $this->getCommentViewSeriousButtonText($object);
   }
 
 
   /**
    * @task text
    */
   protected function getPageHeader($object) {
     return null;
   }
 
 
 
   /**
    * Return a human-readable header describing what this engine is used to do,
    * like "Configure Maniphest Task Forms".
    *
    * @return string Human-readable description of the engine.
    * @task text
    */
   abstract public function getSummaryHeader();
 
 
   /**
    * Return a human-readable summary of what this engine is used to do.
    *
    * @return string Human-readable description of the engine.
    * @task text
    */
   abstract public function getSummaryText();
 
 
 
 
 /* -(  Edit Engine Configuration  )------------------------------------------ */
 
 
   protected function supportsEditEngineConfiguration() {
     return true;
   }
 
   final protected function getEditEngineConfiguration() {
     return $this->editEngineConfiguration;
   }
 
   public function newConfigurationQuery() {
     return id(new PhabricatorEditEngineConfigurationQuery())
       ->setViewer($this->getViewer())
       ->withEngineKeys(array($this->getEngineKey()));
   }
 
   private function loadEditEngineConfigurationWithQuery(
     PhabricatorEditEngineConfigurationQuery $query,
     $sort_method) {
 
     if ($sort_method) {
       $results = $query->execute();
       $results = msort($results, $sort_method);
       $result = head($results);
     } else {
       $result = $query->executeOne();
     }
 
     if (!$result) {
       return null;
     }
 
     $this->editEngineConfiguration = $result;
     return $result;
   }
 
   private function loadEditEngineConfigurationWithIdentifier($identifier) {
     $query = $this->newConfigurationQuery()
       ->withIdentifiers(array($identifier));
 
     return $this->loadEditEngineConfigurationWithQuery($query, null);
   }
 
   private function loadDefaultConfiguration() {
     $query = $this->newConfigurationQuery()
       ->withIdentifiers(
         array(
           self::EDITENGINECONFIG_DEFAULT,
         ))
       ->withIgnoreDatabaseConfigurations(true);
 
     return $this->loadEditEngineConfigurationWithQuery($query, null);
   }
 
   private function loadDefaultCreateConfiguration() {
     $query = $this->newConfigurationQuery()
       ->withIsDefault(true)
       ->withIsDisabled(false);
 
     return $this->loadEditEngineConfigurationWithQuery(
       $query,
       'getCreateSortKey');
   }
 
   public function loadDefaultEditConfiguration($object) {
     $query = $this->newConfigurationQuery()
       ->withIsEdit(true)
       ->withIsDisabled(false);
 
     // If this object supports subtyping, we edit it with a form of the same
     // subtype: so "bug" tasks get edited with "bug" forms.
     if ($object instanceof PhabricatorEditEngineSubtypeInterface) {
       $query->withSubtypes(
         array(
           $object->getEditEngineSubtype(),
         ));
     }
 
     return $this->loadEditEngineConfigurationWithQuery(
       $query,
       'getEditSortKey');
   }
 
   final public function getBuiltinEngineConfigurations() {
     $configurations = $this->newBuiltinEngineConfigurations();
 
     if (!$configurations) {
       throw new Exception(
         pht(
           'EditEngine ("%s") returned no builtin engine configurations, but '.
           'an edit engine must have at least one configuration.',
           get_class($this)));
     }
 
     assert_instances_of($configurations, 'PhabricatorEditEngineConfiguration');
 
     $has_default = false;
     foreach ($configurations as $config) {
       if ($config->getBuiltinKey() == self::EDITENGINECONFIG_DEFAULT) {
         $has_default = true;
       }
     }
 
     if (!$has_default) {
       $first = head($configurations);
       if (!$first->getBuiltinKey()) {
         $first
           ->setBuiltinKey(self::EDITENGINECONFIG_DEFAULT)
           ->setIsDefault(true)
           ->setIsEdit(true);
 
         if (!strlen($first->getName())) {
           $first->setName($this->getObjectCreateShortText());
         }
     } else {
         throw new Exception(
           pht(
             'EditEngine ("%s") returned builtin engine configurations, '.
             'but none are marked as default and the first configuration has '.
             'a different builtin key already. Mark a builtin as default or '.
             'omit the key from the first configuration',
             get_class($this)));
       }
     }
 
     $builtins = array();
     foreach ($configurations as $key => $config) {
       $builtin_key = $config->getBuiltinKey();
 
       if ($builtin_key === null) {
         throw new Exception(
           pht(
             'EditEngine ("%s") returned builtin engine configurations, '.
             'but one (with key "%s") is missing a builtin key. Provide a '.
             'builtin key for each configuration (you can omit it from the '.
             'first configuration in the list to automatically assign the '.
             'default key).',
             get_class($this),
             $key));
       }
 
       if (isset($builtins[$builtin_key])) {
         throw new Exception(
           pht(
             'EditEngine ("%s") returned builtin engine configurations, '.
             'but at least two specify the same builtin key ("%s"). Engines '.
             'must have unique builtin keys.',
             get_class($this),
             $builtin_key));
       }
 
       $builtins[$builtin_key] = $config;
     }
 
 
     return $builtins;
   }
 
   protected function newBuiltinEngineConfigurations() {
     return array(
       $this->newConfiguration(),
     );
   }
 
   final protected function newConfiguration() {
     return PhabricatorEditEngineConfiguration::initializeNewConfiguration(
       $this->getViewer(),
       $this);
   }
 
 
 /* -(  Managing URIs  )------------------------------------------------------ */
 
 
   /**
    * @task uri
    */
   abstract protected function getObjectViewURI($object);
 
 
   /**
    * @task uri
    */
   protected function getObjectCreateCancelURI($object) {
     return $this->getApplication()->getApplicationURI();
   }
 
 
   /**
    * @task uri
    */
   protected function getEditorURI() {
     return $this->getApplication()->getApplicationURI('edit/');
   }
 
 
   /**
    * @task uri
    */
   protected function getObjectEditCancelURI($object) {
     return $this->getObjectViewURI($object);
   }
 
 
   /**
    * @task uri
    */
   public function getEditURI($object = null, $path = null) {
     $parts = array();
 
     $parts[] = $this->getEditorURI();
 
     if ($object && $object->getID()) {
       $parts[] = $object->getID().'/';
     }
 
     if ($path !== null) {
       $parts[] = $path;
     }
 
     return implode('', $parts);
   }
 
   public function getEffectiveObjectViewURI($object) {
     if ($this->getIsCreate()) {
       return $this->getObjectViewURI($object);
     }
 
     $page = $this->getSelectedPage();
     if ($page) {
       $view_uri = $page->getViewURI();
       if ($view_uri !== null) {
         return $view_uri;
       }
     }
 
     return $this->getObjectViewURI($object);
   }
 
   public function getEffectiveObjectEditDoneURI($object) {
     return $this->getEffectiveObjectViewURI($object);
   }
 
   public function getEffectiveObjectEditCancelURI($object) {
     $page = $this->getSelectedPage();
     if ($page) {
       $view_uri = $page->getViewURI();
       if ($view_uri !== null) {
         return $view_uri;
       }
     }
 
     return $this->getObjectEditCancelURI($object);
   }
 
 
 /* -(  Creating and Loading Objects  )--------------------------------------- */
 
 
   /**
    * Initialize a new object for creation.
    *
    * @return object Newly initialized object.
    * @task load
    */
   abstract protected function newEditableObject();
 
 
   /**
    * Build an empty query for objects.
    *
    * @return PhabricatorPolicyAwareQuery Query.
    * @task load
    */
   abstract protected function newObjectQuery();
 
 
   /**
    * Test if this workflow is creating a new object or editing an existing one.
    *
    * @return bool True if a new object is being created.
    * @task load
    */
   final public function getIsCreate() {
     return $this->isCreate;
   }
 
   /**
    * Initialize a new object for object creation via Conduit.
    *
    * @return object Newly initialized object.
    * @param list<wild> Raw transactions.
    * @task load
    */
   protected function newEditableObjectFromConduit(array $raw_xactions) {
     return $this->newEditableObject();
   }
 
   /**
    * Initialize a new object for documentation creation.
    *
    * @return object Newly initialized object.
    * @task load
    */
   protected function newEditableObjectForDocumentation() {
     return $this->newEditableObject();
   }
 
   /**
    * Flag this workflow as a create or edit.
    *
    * @param bool True if this is a create workflow.
    * @return this
    * @task load
    */
   private function setIsCreate($is_create) {
     $this->isCreate = $is_create;
     return $this;
   }
 
 
   /**
    * Try to load an object by ID, PHID, or monogram. This is done primarily
    * to make Conduit a little easier to use.
    *
    * @param wild ID, PHID, or monogram.
    * @param list<const> List of required capability constants, or omit for
    *   defaults.
    * @return object Corresponding editable object.
    * @task load
    */
   private function newObjectFromIdentifier(
     $identifier,
     array $capabilities = array()) {
     if (is_int($identifier) || ctype_digit($identifier)) {
       $object = $this->newObjectFromID($identifier, $capabilities);
 
       if (!$object) {
         throw new Exception(
           pht(
             'No object exists with ID "%s".',
             $identifier));
       }
 
       return $object;
     }
 
     $type_unknown = PhabricatorPHIDConstants::PHID_TYPE_UNKNOWN;
     if (phid_get_type($identifier) != $type_unknown) {
       $object = $this->newObjectFromPHID($identifier, $capabilities);
 
       if (!$object) {
         throw new Exception(
           pht(
             'No object exists with PHID "%s".',
             $identifier));
       }
 
       return $object;
     }
 
     $target = id(new PhabricatorObjectQuery())
       ->setViewer($this->getViewer())
       ->withNames(array($identifier))
       ->executeOne();
     if (!$target) {
       throw new Exception(
         pht(
           'Monogram "%s" does not identify a valid object.',
           $identifier));
     }
 
     $expect = $this->newEditableObject();
     $expect_class = get_class($expect);
     $target_class = get_class($target);
     if ($expect_class !== $target_class) {
       throw new Exception(
         pht(
           'Monogram "%s" identifies an object of the wrong type. Loaded '.
           'object has class "%s", but this editor operates on objects of '.
           'type "%s".',
           $identifier,
           $target_class,
           $expect_class));
     }
 
     // Load the object by PHID using this engine's standard query. This makes
     // sure it's really valid, goes through standard policy check logic, and
     // picks up any `need...()` clauses we want it to load with.
 
     $object = $this->newObjectFromPHID($target->getPHID(), $capabilities);
     if (!$object) {
       throw new Exception(
         pht(
           'Failed to reload object identified by monogram "%s" when '.
           'querying by PHID.',
           $identifier));
     }
 
     return $object;
   }
 
   /**
    * Load an object by ID.
    *
    * @param int Object ID.
    * @param list<const> List of required capability constants, or omit for
    *   defaults.
    * @return object|null Object, or null if no such object exists.
    * @task load
    */
   private function newObjectFromID($id, array $capabilities = array()) {
     $query = $this->newObjectQuery()
       ->withIDs(array($id));
 
     return $this->newObjectFromQuery($query, $capabilities);
   }
 
 
   /**
    * Load an object by PHID.
    *
    * @param phid Object PHID.
    * @param list<const> List of required capability constants, or omit for
    *   defaults.
    * @return object|null Object, or null if no such object exists.
    * @task load
    */
   private function newObjectFromPHID($phid, array $capabilities = array()) {
     $query = $this->newObjectQuery()
       ->withPHIDs(array($phid));
 
     return $this->newObjectFromQuery($query, $capabilities);
   }
 
 
   /**
    * Load an object given a configured query.
    *
    * @param PhabricatorPolicyAwareQuery Configured query.
    * @param list<const> List of required capability constants, or omit for
    *  defaults.
    * @return object|null Object, or null if no such object exists.
    * @task load
    */
   private function newObjectFromQuery(
     PhabricatorPolicyAwareQuery $query,
     array $capabilities = array()) {
 
     $viewer = $this->getViewer();
 
     if (!$capabilities) {
       $capabilities = array(
         PhabricatorPolicyCapability::CAN_VIEW,
         PhabricatorPolicyCapability::CAN_EDIT,
       );
     }
 
     $object = $query
       ->setViewer($viewer)
       ->requireCapabilities($capabilities)
       ->executeOne();
     if (!$object) {
       return null;
     }
 
     return $object;
   }
 
 
   /**
    * Verify that an object is appropriate for editing.
    *
    * @param wild Loaded value.
    * @return void
    * @task load
    */
   private function validateObject($object) {
     if (!$object || !is_object($object)) {
       throw new Exception(
         pht(
           'EditEngine "%s" created or loaded an invalid object: object must '.
           'actually be an object, but is of some other type ("%s").',
           get_class($this),
           gettype($object)));
     }
 
     if (!($object instanceof PhabricatorApplicationTransactionInterface)) {
       throw new Exception(
         pht(
           'EditEngine "%s" created or loaded an invalid object: object (of '.
           'class "%s") must implement "%s", but does not.',
           get_class($this),
           get_class($object),
           'PhabricatorApplicationTransactionInterface'));
     }
   }
 
 
 /* -(  Responding to Web Requests  )----------------------------------------- */
 
 
   final public function buildResponse() {
     $viewer = $this->getViewer();
     $controller = $this->getController();
     $request = $controller->getRequest();
 
     $action = $this->getEditAction();
 
     $capabilities = array();
     $use_default = false;
     $require_create = true;
     switch ($action) {
       case 'comment':
         $capabilities = array(
           PhabricatorPolicyCapability::CAN_VIEW,
         );
         $use_default = true;
         break;
       case 'parameters':
         $use_default = true;
         break;
       case 'nodefault':
       case 'nocreate':
       case 'nomanage':
         $require_create = false;
         break;
       default:
         break;
     }
 
     $object = $this->getTargetObject();
     if (!$object) {
       $id = $request->getURIData('id');
 
       if ($id) {
         $this->setIsCreate(false);
         $object = $this->newObjectFromID($id, $capabilities);
         if (!$object) {
           return new Aphront404Response();
         }
       } else {
         // Make sure the viewer has permission to create new objects of
         // this type if we're going to create a new object.
         if ($require_create) {
           $this->requireCreateCapability();
         }
 
         $this->setIsCreate(true);
         $object = $this->newEditableObject();
       }
     } else {
       $id = $object->getID();
     }
 
     $this->validateObject($object);
 
     if ($use_default) {
       $config = $this->loadDefaultConfiguration();
       if (!$config) {
         return new Aphront404Response();
       }
     } else {
       $form_key = $request->getURIData('formKey');
       if (strlen($form_key)) {
         $config = $this->loadEditEngineConfigurationWithIdentifier($form_key);
 
         if (!$config) {
           return new Aphront404Response();
         }
 
         if ($id && !$config->getIsEdit()) {
           return $this->buildNotEditFormRespose($object, $config);
         }
       } else {
         if ($id) {
           $config = $this->loadDefaultEditConfiguration($object);
           if (!$config) {
             return $this->buildNoEditResponse($object);
           }
         } else {
           $config = $this->loadDefaultCreateConfiguration();
           if (!$config) {
             return $this->buildNoCreateResponse($object);
           }
         }
       }
     }
 
     if ($config->getIsDisabled()) {
       return $this->buildDisabledFormResponse($object, $config);
     }
 
     $page_key = $request->getURIData('pageKey');
     if (!strlen($page_key)) {
       $pages = $this->getPages($object);
       if ($pages) {
         $page_key = head_key($pages);
       }
     }
 
     if (strlen($page_key)) {
       $page = $this->selectPage($object, $page_key);
       if (!$page) {
         return new Aphront404Response();
       }
     }
 
     switch ($action) {
       case 'parameters':
         return $this->buildParametersResponse($object);
       case 'nodefault':
         return $this->buildNoDefaultResponse($object);
       case 'nocreate':
         return $this->buildNoCreateResponse($object);
       case 'nomanage':
         return $this->buildNoManageResponse($object);
       case 'comment':
         return $this->buildCommentResponse($object);
       default:
         return $this->buildEditResponse($object);
     }
   }
 
   private function buildCrumbs($object, $final = false) {
     $controller = $this->getController();
 
     $crumbs = $controller->buildApplicationCrumbsForEditEngine();
     if ($this->getIsCreate()) {
       $create_text = $this->getObjectCreateShortText();
       if ($final) {
         $crumbs->addTextCrumb($create_text);
       } else {
         $edit_uri = $this->getEditURI($object);
         $crumbs->addTextCrumb($create_text, $edit_uri);
       }
     } else {
       $crumbs->addTextCrumb(
         $this->getObjectEditShortText($object),
         $this->getEffectiveObjectViewURI($object));
 
       $edit_text = pht('Edit');
       if ($final) {
         $crumbs->addTextCrumb($edit_text);
       } else {
         $edit_uri = $this->getEditURI($object);
         $crumbs->addTextCrumb($edit_text, $edit_uri);
       }
     }
 
     return $crumbs;
   }
 
   private function buildEditResponse($object) {
     $viewer = $this->getViewer();
     $controller = $this->getController();
     $request = $controller->getRequest();
 
     $fields = $this->buildEditFields($object);
     $template = $object->getApplicationTransactionTemplate();
 
     if ($this->getIsCreate()) {
       $cancel_uri = $this->getObjectCreateCancelURI($object);
       $submit_button = $this->getObjectCreateButtonText($object);
     } else {
       $cancel_uri = $this->getEffectiveObjectEditCancelURI($object);
       $submit_button = $this->getObjectEditButtonText($object);
     }
 
     $config = $this->getEditEngineConfiguration()
       ->attachEngine($this);
 
     // NOTE: Don't prompt users to override locks when creating objects,
     // even if the default settings would create a locked object.
 
     $can_interact = PhabricatorPolicyFilter::canInteract($viewer, $object);
     if (!$can_interact &&
         !$this->getIsCreate() &&
         !$request->getBool('editEngine') &&
         !$request->getBool('overrideLock')) {
 
       $lock = PhabricatorEditEngineLock::newForObject($viewer, $object);
 
       $dialog = $this->getController()
         ->newDialog()
         ->addHiddenInput('overrideLock', true)
         ->setDisableWorkflowOnSubmit(true)
         ->addCancelButton($cancel_uri);
 
       return $lock->willPromptUserForLockOverrideWithDialog($dialog);
     }
 
     $validation_exception = null;
     if ($request->isFormOrHisecPost() && $request->getBool('editEngine')) {
       $submit_fields = $fields;
 
       foreach ($submit_fields as $key => $field) {
         if (!$field->shouldGenerateTransactionsFromSubmit()) {
           unset($submit_fields[$key]);
           continue;
         }
       }
 
       // Before we read the submitted values, store a copy of what we would
       // use if the form was empty so we can figure out which transactions are
       // just setting things to their default values for the current form.
       $defaults = array();
       foreach ($submit_fields as $key => $field) {
         $defaults[$key] = $field->getValueForTransaction();
       }
 
       foreach ($submit_fields as $key => $field) {
         $field->setIsSubmittedForm(true);
 
         if (!$field->shouldReadValueFromSubmit()) {
           continue;
         }
 
         $field->readValueFromSubmit($request);
       }
 
       $xactions = array();
 
       if ($this->getIsCreate()) {
         $xactions[] = id(clone $template)
           ->setTransactionType(PhabricatorTransactions::TYPE_CREATE);
 
         if ($this->supportsSubtypes()) {
           $xactions[] = id(clone $template)
             ->setTransactionType(PhabricatorTransactions::TYPE_SUBTYPE)
             ->setNewValue($config->getSubtype());
         }
       }
 
       foreach ($submit_fields as $key => $field) {
         $field_value = $field->getValueForTransaction();
 
         $type_xactions = $field->generateTransactions(
           clone $template,
           array(
             'value' => $field_value,
           ));
 
         foreach ($type_xactions as $type_xaction) {
           $default = $defaults[$key];
 
           if ($default === $field->getValueForTransaction()) {
             $type_xaction->setIsDefaultTransaction(true);
           }
 
           $xactions[] = $type_xaction;
         }
       }
 
       $editor = $object->getApplicationTransactionEditor()
         ->setActor($viewer)
         ->setContentSourceFromRequest($request)
         ->setCancelURI($cancel_uri)
         ->setContinueOnNoEffect(true);
 
       try {
         $xactions = $this->willApplyTransactions($object, $xactions);
 
         $editor->applyTransactions($object, $xactions);
 
         $this->didApplyTransactions($object, $xactions);
 
         return $this->newEditResponse($request, $object, $xactions);
       } catch (PhabricatorApplicationTransactionValidationException $ex) {
         $validation_exception = $ex;
 
         foreach ($fields as $field) {
           $message = $this->getValidationExceptionShortMessage($ex, $field);
           if ($message === null) {
             continue;
           }
 
           $field->setControlError($message);
         }
       }
     } else {
       if ($this->getIsCreate()) {
         $template = $request->getStr('template');
 
         if (strlen($template)) {
           $template_object = $this->newObjectFromIdentifier(
             $template,
             array(
               PhabricatorPolicyCapability::CAN_VIEW,
             ));
           if (!$template_object) {
             return new Aphront404Response();
           }
         } else {
           $template_object = null;
         }
 
         if ($template_object) {
           $copy_fields = $this->buildEditFields($template_object);
           $copy_fields = mpull($copy_fields, null, 'getKey');
           foreach ($copy_fields as $copy_key => $copy_field) {
             if (!$copy_field->getIsCopyable()) {
               unset($copy_fields[$copy_key]);
             }
           }
         } else {
           $copy_fields = array();
         }
 
         foreach ($fields as $field) {
           if (!$field->shouldReadValueFromRequest()) {
             continue;
           }
 
           $field_key = $field->getKey();
           if (isset($copy_fields[$field_key])) {
             $field->readValueFromField($copy_fields[$field_key]);
           }
 
           $field->readValueFromRequest($request);
         }
       }
     }
 
     $action_button = $this->buildEditFormActionButton($object);
 
     if ($this->getIsCreate()) {
       $header_text = $this->getFormHeaderText($object);
     } else {
       $header_text = $this->getObjectEditTitleText($object);
     }
 
     $show_preview = !$request->isAjax();
 
     if ($show_preview) {
       $previews = array();
       foreach ($fields as $field) {
         $preview = $field->getPreviewPanel();
         if (!$preview) {
           continue;
         }
 
         $control_id = $field->getControlID();
 
         $preview
           ->setControlID($control_id)
           ->setPreviewURI('/transactions/remarkuppreview/');
 
         $previews[] = $preview;
       }
     } else {
       $previews = array();
     }
 
     $form = $this->buildEditForm($object, $fields);
 
     $crumbs = $this->buildCrumbs($object, $final = true);
     $crumbs->setBorder(true);
 
     if ($request->isAjax()) {
       return $this->getController()
         ->newDialog()
         ->setWidth(AphrontDialogView::WIDTH_FULL)
         ->setTitle($header_text)
         ->setValidationException($validation_exception)
         ->appendForm($form)
         ->addCancelButton($cancel_uri)
         ->addSubmitButton($submit_button);
     }
 
     $box_header = id(new PHUIHeaderView())
       ->setHeader($header_text);
 
     if ($action_button) {
       $box_header->addActionLink($action_button);
     }
 
     $box = id(new PHUIObjectBoxView())
       ->setUser($viewer)
       ->setHeader($box_header)
       ->setValidationException($validation_exception)
       ->setBackground(PHUIObjectBoxView::WHITE_CONFIG)
       ->appendChild($form);
 
     // This is fairly questionable, but in use by Settings.
     if ($request->getURIData('formSaved')) {
       $box->setFormSaved(true);
     }
 
     $content = array(
       $box,
       $previews,
     );
 
     $view = new PHUITwoColumnView();
 
     $page_header = $this->getPageHeader($object);
     if ($page_header) {
       $view->setHeader($page_header);
     }
 
     $view->setFooter($content);
 
     $page = $controller->newPage()
       ->setTitle($header_text)
       ->setCrumbs($crumbs)
       ->appendChild($view);
 
     $navigation = $this->getNavigation();
     if ($navigation) {
       $page->setNavigation($navigation);
     }
 
     return $page;
   }
 
   protected function newEditResponse(
     AphrontRequest $request,
     $object,
     array $xactions) {
     return id(new AphrontRedirectResponse())
       ->setURI($this->getEffectiveObjectEditDoneURI($object));
   }
 
   private function buildEditForm($object, array $fields) {
     $viewer = $this->getViewer();
     $controller = $this->getController();
     $request = $controller->getRequest();
 
     $fields = $this->willBuildEditForm($object, $fields);
 
-    $request_path = $request->getRequestURI()
-      ->setQueryParams(array());
+    $request_path = $request->getPath();
 
     $form = id(new AphrontFormView())
       ->setUser($viewer)
       ->setAction($request_path)
       ->addHiddenInput('editEngine', 'true');
 
     foreach ($this->contextParameters as $param) {
       $form->addHiddenInput($param, $request->getStr($param));
     }
 
     $requires_mfa = false;
     if ($object instanceof PhabricatorEditEngineMFAInterface) {
       $mfa_engine = PhabricatorEditEngineMFAEngine::newEngineForObject($object)
         ->setViewer($viewer);
       $requires_mfa = $mfa_engine->shouldRequireMFA();
     }
 
     if ($requires_mfa) {
       $message = pht(
         'You will be required to provide multi-factor credentials to make '.
         'changes.');
       $form->appendChild(
         id(new PHUIInfoView())
           ->setSeverity(PHUIInfoView::SEVERITY_MFA)
           ->setErrors(array($message)));
 
       // TODO: This should also set workflow on the form, so the user doesn't
       // lose any form data if they "Cancel". However, Maniphest currently
       // overrides "newEditResponse()" if the request is Ajax and returns a
       // bag of view data. This can reasonably be cleaned up when workboards
       // get their next iteration.
     }
 
     foreach ($fields as $field) {
       if (!$field->getIsFormField()) {
         continue;
       }
 
       $field->appendToForm($form);
     }
 
     if ($this->getIsCreate()) {
       $cancel_uri = $this->getObjectCreateCancelURI($object);
       $submit_button = $this->getObjectCreateButtonText($object);
     } else {
       $cancel_uri = $this->getEffectiveObjectEditCancelURI($object);
       $submit_button = $this->getObjectEditButtonText($object);
     }
 
     if (!$request->isAjax()) {
       $buttons = id(new AphrontFormSubmitControl())
         ->setValue($submit_button);
 
       if ($cancel_uri) {
         $buttons->addCancelButton($cancel_uri);
       }
 
       $form->appendControl($buttons);
     }
 
     return $form;
   }
 
   protected function willBuildEditForm($object, array $fields) {
     return $fields;
   }
 
   private function buildEditFormActionButton($object) {
     if (!$this->isEngineConfigurable()) {
       return null;
     }
 
     $viewer = $this->getViewer();
 
     $action_view = id(new PhabricatorActionListView())
       ->setUser($viewer);
 
     foreach ($this->buildEditFormActions($object) as $action) {
       $action_view->addAction($action);
     }
 
     $action_button = id(new PHUIButtonView())
       ->setTag('a')
       ->setText(pht('Configure Form'))
       ->setHref('#')
       ->setIcon('fa-gear')
       ->setDropdownMenu($action_view);
 
     return $action_button;
   }
 
   private function buildEditFormActions($object) {
     $actions = array();
 
     if ($this->supportsEditEngineConfiguration()) {
       $engine_key = $this->getEngineKey();
       $config = $this->getEditEngineConfiguration();
 
       $can_manage = PhabricatorPolicyFilter::hasCapability(
         $this->getViewer(),
         $config,
         PhabricatorPolicyCapability::CAN_EDIT);
 
       if ($can_manage) {
         $manage_uri = $config->getURI();
       } else {
         $manage_uri = $this->getEditURI(null, 'nomanage/');
       }
 
       $view_uri = "/transactions/editengine/{$engine_key}/";
 
       $actions[] = id(new PhabricatorActionView())
         ->setLabel(true)
         ->setName(pht('Configuration'));
 
       $actions[] = id(new PhabricatorActionView())
         ->setName(pht('View Form Configurations'))
         ->setIcon('fa-list-ul')
         ->setHref($view_uri);
 
       $actions[] = id(new PhabricatorActionView())
         ->setName(pht('Edit Form Configuration'))
         ->setIcon('fa-pencil')
         ->setHref($manage_uri)
         ->setDisabled(!$can_manage)
         ->setWorkflow(!$can_manage);
     }
 
     $actions[] = id(new PhabricatorActionView())
       ->setLabel(true)
       ->setName(pht('Documentation'));
 
     $actions[] = id(new PhabricatorActionView())
       ->setName(pht('Using HTTP Parameters'))
       ->setIcon('fa-book')
       ->setHref($this->getEditURI($object, 'parameters/'));
 
     $doc_href = PhabricatorEnv::getDoclink('User Guide: Customizing Forms');
     $actions[] = id(new PhabricatorActionView())
       ->setName(pht('User Guide: Customizing Forms'))
       ->setIcon('fa-book')
       ->setHref($doc_href);
 
     return $actions;
   }
 
 
   public function newNUXButton($text) {
     $specs = $this->newCreateActionSpecifications(array());
     $head = head($specs);
 
     return id(new PHUIButtonView())
       ->setTag('a')
       ->setText($text)
       ->setHref($head['uri'])
       ->setDisabled($head['disabled'])
       ->setWorkflow($head['workflow'])
       ->setColor(PHUIButtonView::GREEN);
   }
 
 
   final public function addActionToCrumbs(
     PHUICrumbsView $crumbs,
     array $parameters = array()) {
     $viewer = $this->getViewer();
 
     $specs = $this->newCreateActionSpecifications($parameters);
 
     $head = head($specs);
     $menu_uri = $head['uri'];
 
     $dropdown = null;
     if (count($specs) > 1) {
       $menu_icon = 'fa-caret-square-o-down';
       $menu_name = $this->getObjectCreateShortText();
       $workflow = false;
       $disabled = false;
 
       $dropdown = id(new PhabricatorActionListView())
         ->setUser($viewer);
 
       foreach ($specs as $spec) {
         $dropdown->addAction(
           id(new PhabricatorActionView())
             ->setName($spec['name'])
             ->setIcon($spec['icon'])
             ->setHref($spec['uri'])
             ->setDisabled($head['disabled'])
             ->setWorkflow($head['workflow']));
       }
 
     } else {
       $menu_icon = $head['icon'];
       $menu_name = $head['name'];
 
       $workflow = $head['workflow'];
       $disabled = $head['disabled'];
     }
 
     $action = id(new PHUIListItemView())
       ->setName($menu_name)
       ->setHref($menu_uri)
       ->setIcon($menu_icon)
       ->setWorkflow($workflow)
       ->setDisabled($disabled);
 
     if ($dropdown) {
       $action->setDropdownMenu($dropdown);
     }
 
     $crumbs->addAction($action);
   }
 
 
   /**
    * Build a raw description of available "Create New Object" UI options so
    * other methods can build menus or buttons.
    */
   public function newCreateActionSpecifications(array $parameters) {
     $viewer = $this->getViewer();
 
     $can_create = $this->hasCreateCapability();
     if ($can_create) {
       $configs = $this->loadUsableConfigurationsForCreate();
     } else {
       $configs = array();
     }
 
     $disabled = false;
     $workflow = false;
 
     $menu_icon = 'fa-plus-square';
     $specs = array();
     if (!$configs) {
       if ($viewer->isLoggedIn()) {
         $disabled = true;
       } else {
         // If the viewer isn't logged in, assume they'll get hit with a login
         // dialog and are likely able to create objects after they log in.
         $disabled = false;
       }
       $workflow = true;
 
       if ($can_create) {
         $create_uri = $this->getEditURI(null, 'nodefault/');
       } else {
         $create_uri = $this->getEditURI(null, 'nocreate/');
       }
 
       $specs[] = array(
         'name' => $this->getObjectCreateShortText(),
         'uri' => $create_uri,
         'icon' => $menu_icon,
         'disabled' => $disabled,
         'workflow' => $workflow,
       );
     } else {
       foreach ($configs as $config) {
         $config_uri = $config->getCreateURI();
 
         if ($parameters) {
           $config_uri = (string)id(new PhutilURI($config_uri))
             ->setQueryParams($parameters);
         }
 
         $specs[] = array(
           'name' => $config->getDisplayName(),
           'uri' => $config_uri,
           'icon' => 'fa-plus',
           'disabled' => false,
           'workflow' => false,
         );
       }
     }
 
     return $specs;
   }
 
   final public function buildEditEngineCommentView($object) {
     $config = $this->loadDefaultEditConfiguration($object);
 
     if (!$config) {
       // TODO: This just nukes the entire comment form if you don't have access
       // to any edit forms. We might want to tailor this UX a bit.
       return id(new PhabricatorApplicationTransactionCommentView())
         ->setNoPermission(true);
     }
 
     $viewer = $this->getViewer();
 
     $can_interact = PhabricatorPolicyFilter::canInteract($viewer, $object);
     if (!$can_interact) {
       $lock = PhabricatorEditEngineLock::newForObject($viewer, $object);
 
       return id(new PhabricatorApplicationTransactionCommentView())
         ->setEditEngineLock($lock);
     }
 
     $object_phid = $object->getPHID();
     $is_serious = PhabricatorEnv::getEnvConfig('phabricator.serious-business');
 
     if ($is_serious) {
       $header_text = $this->getCommentViewSeriousHeaderText($object);
       $button_text = $this->getCommentViewSeriousButtonText($object);
     } else {
       $header_text = $this->getCommentViewHeaderText($object);
       $button_text = $this->getCommentViewButtonText($object);
     }
 
     $comment_uri = $this->getEditURI($object, 'comment/');
 
     $requires_mfa = false;
     if ($object instanceof PhabricatorEditEngineMFAInterface) {
       $mfa_engine = PhabricatorEditEngineMFAEngine::newEngineForObject($object)
         ->setViewer($viewer);
       $requires_mfa = $mfa_engine->shouldRequireMFA();
     }
 
     $view = id(new PhabricatorApplicationTransactionCommentView())
       ->setUser($viewer)
       ->setObjectPHID($object_phid)
       ->setHeaderText($header_text)
       ->setAction($comment_uri)
       ->setRequiresMFA($requires_mfa)
       ->setSubmitButtonName($button_text);
 
     $draft = PhabricatorVersionedDraft::loadDraft(
       $object_phid,
       $viewer->getPHID());
     if ($draft) {
       $view->setVersionedDraft($draft);
     }
 
     $view->setCurrentVersion($this->loadDraftVersion($object));
 
     $fields = $this->buildEditFields($object);
 
     $can_edit = PhabricatorPolicyFilter::hasCapability(
       $viewer,
       $object,
       PhabricatorPolicyCapability::CAN_EDIT);
 
     $comment_actions = array();
     foreach ($fields as $field) {
       if (!$field->shouldGenerateTransactionsFromComment()) {
         continue;
       }
 
       if (!$can_edit) {
         if (!$field->getCanApplyWithoutEditCapability()) {
           continue;
         }
       }
 
       $comment_action = $field->getCommentAction();
       if (!$comment_action) {
         continue;
       }
 
       $key = $comment_action->getKey();
 
       // TODO: Validate these better.
 
       $comment_actions[$key] = $comment_action;
     }
 
     $comment_actions = msortv($comment_actions, 'getSortVector');
 
     $view->setCommentActions($comment_actions);
 
     $comment_groups = $this->newCommentActionGroups();
     $view->setCommentActionGroups($comment_groups);
 
     return $view;
   }
 
   protected function loadDraftVersion($object) {
     $viewer = $this->getViewer();
 
     if (!$viewer->isLoggedIn()) {
       return null;
     }
 
     $template = $object->getApplicationTransactionTemplate();
     $conn_r = $template->establishConnection('r');
 
     // Find the most recent transaction the user has written. We'll use this
     // as a version number to make sure that out-of-date drafts get discarded.
     $result = queryfx_one(
       $conn_r,
       'SELECT id AS version FROM %T
         WHERE objectPHID = %s AND authorPHID = %s
         ORDER BY id DESC LIMIT 1',
       $template->getTableName(),
       $object->getPHID(),
       $viewer->getPHID());
 
     if ($result) {
       return (int)$result['version'];
     } else {
       return null;
     }
   }
 
 
 /* -(  Responding to HTTP Parameter Requests  )------------------------------ */
 
 
   /**
    * Respond to a request for documentation on HTTP parameters.
    *
    * @param object Editable object.
    * @return AphrontResponse Response object.
    * @task http
    */
   private function buildParametersResponse($object) {
     $controller = $this->getController();
     $viewer = $this->getViewer();
     $request = $controller->getRequest();
     $fields = $this->buildEditFields($object);
 
     $crumbs = $this->buildCrumbs($object);
     $crumbs->addTextCrumb(pht('HTTP Parameters'));
     $crumbs->setBorder(true);
 
     $header_text = pht(
       'HTTP Parameters: %s',
       $this->getObjectCreateShortText());
 
     $header = id(new PHUIHeaderView())
       ->setHeader($header_text);
 
     $help_view = id(new PhabricatorApplicationEditHTTPParameterHelpView())
       ->setUser($viewer)
       ->setFields($fields);
 
     $document = id(new PHUIDocumentView())
       ->setUser($viewer)
       ->setHeader($header)
       ->appendChild($help_view);
 
     return $controller->newPage()
       ->setTitle(pht('HTTP Parameters'))
       ->setCrumbs($crumbs)
       ->appendChild($document);
   }
 
 
   private function buildError($object, $title, $body) {
     $cancel_uri = $this->getObjectCreateCancelURI($object);
 
     $dialog = $this->getController()
       ->newDialog()
       ->addCancelButton($cancel_uri);
 
     if ($title !== null) {
       $dialog->setTitle($title);
     }
 
     if ($body !== null) {
       $dialog->appendParagraph($body);
     }
 
     return $dialog;
   }
 
 
   private function buildNoDefaultResponse($object) {
     return $this->buildError(
       $object,
       pht('No Default Create Forms'),
       pht(
         'This application is not configured with any forms for creating '.
         'objects that are visible to you and enabled.'));
   }
 
   private function buildNoCreateResponse($object) {
     return $this->buildError(
       $object,
       pht('No Create Permission'),
       pht('You do not have permission to create these objects.'));
   }
 
   private function buildNoManageResponse($object) {
     return $this->buildError(
       $object,
       pht('No Manage Permission'),
       pht(
         'You do not have permission to configure forms for this '.
         'application.'));
   }
 
   private function buildNoEditResponse($object) {
     return $this->buildError(
       $object,
       pht('No Edit Forms'),
       pht(
         'You do not have access to any forms which are enabled and marked '.
         'as edit forms.'));
   }
 
   private function buildNotEditFormRespose($object, $config) {
     return $this->buildError(
       $object,
       pht('Not an Edit Form'),
       pht(
         'This form ("%s") is not marked as an edit form, so '.
         'it can not be used to edit objects.',
         $config->getName()));
   }
 
   private function buildDisabledFormResponse($object, $config) {
     return $this->buildError(
       $object,
       pht('Form Disabled'),
       pht(
         'This form ("%s") has been disabled, so it can not be used.',
         $config->getName()));
   }
 
   private function buildLockedObjectResponse($object) {
     $dialog = $this->buildError($object, null, null);
     $viewer = $this->getViewer();
 
     $lock = PhabricatorEditEngineLock::newForObject($viewer, $object);
     return $lock->willBlockUserInteractionWithDialog($dialog);
   }
 
   private function buildCommentResponse($object) {
     $viewer = $this->getViewer();
 
     if ($this->getIsCreate()) {
       return new Aphront404Response();
     }
 
     $controller = $this->getController();
     $request = $controller->getRequest();
 
     // NOTE: We handle hisec inside the transaction editor with "Sign With MFA"
     // comment actions.
     if (!$request->isFormOrHisecPost()) {
       return new Aphront400Response();
     }
 
     $can_interact = PhabricatorPolicyFilter::canInteract($viewer, $object);
     if (!$can_interact) {
       return $this->buildLockedObjectResponse($object);
     }
 
     $config = $this->loadDefaultEditConfiguration($object);
     if (!$config) {
       return new Aphront404Response();
     }
 
     $fields = $this->buildEditFields($object);
 
     $is_preview = $request->isPreviewRequest();
     $view_uri = $this->getEffectiveObjectViewURI($object);
 
     $template = $object->getApplicationTransactionTemplate();
     $comment_template = $template->getApplicationTransactionCommentObject();
 
     $comment_text = $request->getStr('comment');
 
     $actions = $request->getStr('editengine.actions');
     if ($actions) {
       $actions = phutil_json_decode($actions);
     }
 
     if ($is_preview) {
       $version_key = PhabricatorVersionedDraft::KEY_VERSION;
       $request_version = $request->getInt($version_key);
       $current_version = $this->loadDraftVersion($object);
       if ($request_version >= $current_version) {
         $draft = PhabricatorVersionedDraft::loadOrCreateDraft(
           $object->getPHID(),
           $viewer->getPHID(),
           $current_version);
 
         $is_empty = (!strlen($comment_text) && !$actions);
 
         $draft
           ->setProperty('comment', $comment_text)
           ->setProperty('actions', $actions)
           ->save();
 
         $draft_engine = $this->newDraftEngine($object);
         if ($draft_engine) {
           $draft_engine
             ->setVersionedDraft($draft)
             ->synchronize();
         }
       }
     }
 
     $xactions = array();
 
     $can_edit = PhabricatorPolicyFilter::hasCapability(
       $viewer,
       $object,
       PhabricatorPolicyCapability::CAN_EDIT);
 
     if ($actions) {
       $action_map = array();
       foreach ($actions as $action) {
         $type = idx($action, 'type');
         if (!$type) {
           continue;
         }
 
         if (empty($fields[$type])) {
           continue;
         }
 
         $action_map[$type] = $action;
       }
 
       foreach ($action_map as $type => $action) {
         $field = $fields[$type];
 
         if (!$field->shouldGenerateTransactionsFromComment()) {
           continue;
         }
 
         // If you don't have edit permission on the object, you're limited in
         // which actions you can take via the comment form. Most actions
         // need edit permission, but some actions (like "Accept Revision")
         // can be applied by anyone with view permission.
         if (!$can_edit) {
           if (!$field->getCanApplyWithoutEditCapability()) {
             // We know the user doesn't have the capability, so this will
             // raise a policy exception.
             PhabricatorPolicyFilter::requireCapability(
               $viewer,
               $object,
               PhabricatorPolicyCapability::CAN_EDIT);
           }
         }
 
         if (array_key_exists('initialValue', $action)) {
           $field->setInitialValue($action['initialValue']);
         }
 
         $field->readValueFromComment(idx($action, 'value'));
 
         $type_xactions = $field->generateTransactions(
           clone $template,
           array(
             'value' => $field->getValueForTransaction(),
           ));
         foreach ($type_xactions as $type_xaction) {
           $xactions[] = $type_xaction;
         }
       }
     }
 
     $auto_xactions = $this->newAutomaticCommentTransactions($object);
     foreach ($auto_xactions as $xaction) {
       $xactions[] = $xaction;
     }
 
     if (strlen($comment_text) || !$xactions) {
       $xactions[] = id(clone $template)
         ->setTransactionType(PhabricatorTransactions::TYPE_COMMENT)
         ->attachComment(
           id(clone $comment_template)
             ->setContent($comment_text));
     }
 
     $editor = $object->getApplicationTransactionEditor()
       ->setActor($viewer)
       ->setContinueOnNoEffect($request->isContinueRequest())
       ->setContinueOnMissingFields(true)
       ->setContentSourceFromRequest($request)
       ->setCancelURI($view_uri)
       ->setRaiseWarnings(!$request->getBool('editEngine.warnings'))
       ->setIsPreview($is_preview);
 
     try {
       $xactions = $editor->applyTransactions($object, $xactions);
     } catch (PhabricatorApplicationTransactionValidationException $ex) {
       return id(new PhabricatorApplicationTransactionValidationResponse())
         ->setCancelURI($view_uri)
         ->setException($ex);
     } catch (PhabricatorApplicationTransactionNoEffectException $ex) {
       return id(new PhabricatorApplicationTransactionNoEffectResponse())
         ->setCancelURI($view_uri)
         ->setException($ex);
     } catch (PhabricatorApplicationTransactionWarningException $ex) {
       return id(new PhabricatorApplicationTransactionWarningResponse())
         ->setCancelURI($view_uri)
         ->setException($ex);
     }
 
     if (!$is_preview) {
       PhabricatorVersionedDraft::purgeDrafts(
         $object->getPHID(),
         $viewer->getPHID());
 
       $draft_engine = $this->newDraftEngine($object);
       if ($draft_engine) {
         $draft_engine
           ->setVersionedDraft(null)
           ->synchronize();
       }
     }
 
     if ($request->isAjax() && $is_preview) {
       $preview_content = $this->newCommentPreviewContent($object, $xactions);
 
       $raw_view_data = $request->getStr('viewData');
       try {
         $view_data = phutil_json_decode($raw_view_data);
       } catch (Exception $ex) {
         $view_data = array();
       }
 
       return id(new PhabricatorApplicationTransactionResponse())
         ->setObject($object)
         ->setViewer($viewer)
         ->setTransactions($xactions)
         ->setIsPreview($is_preview)
         ->setViewData($view_data)
         ->setPreviewContent($preview_content);
     } else {
       return id(new AphrontRedirectResponse())
         ->setURI($view_uri);
     }
   }
 
   protected function newDraftEngine($object) {
     $viewer = $this->getViewer();
 
     if ($object instanceof PhabricatorDraftInterface) {
       $engine = $object->newDraftEngine();
     } else {
       $engine = new PhabricatorBuiltinDraftEngine();
     }
 
     return $engine
       ->setObject($object)
       ->setViewer($viewer);
   }
 
 
 /* -(  Conduit  )------------------------------------------------------------ */
 
 
   /**
    * Respond to a Conduit edit request.
    *
    * This method accepts a list of transactions to apply to an object, and
    * either edits an existing object or creates a new one.
    *
    * @task conduit
    */
   final public function buildConduitResponse(ConduitAPIRequest $request) {
     $viewer = $this->getViewer();
 
     $config = $this->loadDefaultConfiguration();
     if (!$config) {
       throw new Exception(
         pht(
           'Unable to load configuration for this EditEngine ("%s").',
           get_class($this)));
     }
 
     $raw_xactions = $this->getRawConduitTransactions($request);
 
     $identifier = $request->getValue('objectIdentifier');
     if ($identifier) {
       $this->setIsCreate(false);
 
       // After T13186, each transaction can individually weaken or replace the
       // capabilities required to apply it, so we no longer need CAN_EDIT to
       // attempt to apply transactions to objects. In practice, almost all
       // transactions require CAN_EDIT so we won't get very far if we don't
       // have it.
       $capabilities = array(
         PhabricatorPolicyCapability::CAN_VIEW,
       );
 
       $object = $this->newObjectFromIdentifier(
         $identifier,
         $capabilities);
     } else {
       $this->requireCreateCapability();
 
       $this->setIsCreate(true);
       $object = $this->newEditableObjectFromConduit($raw_xactions);
     }
 
     $this->validateObject($object);
 
     $fields = $this->buildEditFields($object);
 
     $types = $this->getConduitEditTypesFromFields($fields);
     $template = $object->getApplicationTransactionTemplate();
 
     $xactions = $this->getConduitTransactions(
       $request,
       $raw_xactions,
       $types,
       $template);
 
     $editor = $object->getApplicationTransactionEditor()
       ->setActor($viewer)
       ->setContentSource($request->newContentSource())
       ->setContinueOnNoEffect(true);
 
     if (!$this->getIsCreate()) {
       $editor->setContinueOnMissingFields(true);
     }
 
     $xactions = $editor->applyTransactions($object, $xactions);
 
     $xactions_struct = array();
     foreach ($xactions as $xaction) {
       $xactions_struct[] = array(
         'phid' => $xaction->getPHID(),
       );
     }
 
     return array(
       'object' => array(
         'id' => (int)$object->getID(),
         'phid' => $object->getPHID(),
       ),
       'transactions' => $xactions_struct,
     );
   }
 
   private function getRawConduitTransactions(ConduitAPIRequest $request) {
     $transactions_key = 'transactions';
 
     $xactions = $request->getValue($transactions_key);
     if (!is_array($xactions)) {
       throw new Exception(
         pht(
           'Parameter "%s" is not a list of transactions.',
           $transactions_key));
     }
 
     foreach ($xactions as $key => $xaction) {
       if (!is_array($xaction)) {
         throw new Exception(
           pht(
             'Parameter "%s" must contain a list of transaction descriptions, '.
             'but item with key "%s" is not a dictionary.',
             $transactions_key,
             $key));
       }
 
       if (!array_key_exists('type', $xaction)) {
         throw new Exception(
           pht(
             'Parameter "%s" must contain a list of transaction descriptions, '.
             'but item with key "%s" is missing a "type" field. Each '.
             'transaction must have a type field.',
             $transactions_key,
             $key));
       }
     }
 
     return $xactions;
   }
 
 
   /**
    * Generate transactions which can be applied from edit actions in a Conduit
    * request.
    *
    * @param ConduitAPIRequest The request.
    * @param list<wild> Raw conduit transactions.
    * @param list<PhabricatorEditType> Supported edit types.
    * @param PhabricatorApplicationTransaction Template transaction.
    * @return list<PhabricatorApplicationTransaction> Generated transactions.
    * @task conduit
    */
   private function getConduitTransactions(
     ConduitAPIRequest $request,
     array $xactions,
     array $types,
     PhabricatorApplicationTransaction $template) {
 
     $viewer = $request->getUser();
     $results = array();
 
     foreach ($xactions as $key => $xaction) {
       $type = $xaction['type'];
       if (empty($types[$type])) {
         throw new Exception(
           pht(
             'Transaction with key "%s" has invalid type "%s". This type is '.
             'not recognized. Valid types are: %s.',
             $key,
             $type,
             implode(', ', array_keys($types))));
       }
     }
 
     if ($this->getIsCreate()) {
       $results[] = id(clone $template)
         ->setTransactionType(PhabricatorTransactions::TYPE_CREATE);
     }
 
     $is_strict = $request->getIsStrictlyTyped();
 
     foreach ($xactions as $xaction) {
       $type = $types[$xaction['type']];
 
       // Let the parameter type interpret the value. This allows you to
       // use usernames in list<user> fields, for example.
       $parameter_type = $type->getConduitParameterType();
 
       $parameter_type->setViewer($viewer);
 
       try {
         $value = $xaction['value'];
         $value = $parameter_type->getValue($xaction, 'value', $is_strict);
         $value = $type->getTransactionValueFromConduit($value);
         $xaction['value'] = $value;
       } catch (Exception $ex) {
         throw new PhutilProxyException(
           pht(
             'Exception when processing transaction of type "%s": %s',
             $xaction['type'],
             $ex->getMessage()),
           $ex);
       }
 
       $type_xactions = $type->generateTransactions(
         clone $template,
         $xaction);
 
       foreach ($type_xactions as $type_xaction) {
         $results[] = $type_xaction;
       }
     }
 
     return $results;
   }
 
 
   /**
    * @return map<string, PhabricatorEditType>
    * @task conduit
    */
   private function getConduitEditTypesFromFields(array $fields) {
     $types = array();
     foreach ($fields as $field) {
       $field_types = $field->getConduitEditTypes();
 
       if ($field_types === null) {
         continue;
       }
 
       foreach ($field_types as $field_type) {
         $types[$field_type->getEditType()] = $field_type;
       }
     }
     return $types;
   }
 
   public function getConduitEditTypes() {
     $config = $this->loadDefaultConfiguration();
     if (!$config) {
       return array();
     }
 
     $object = $this->newEditableObjectForDocumentation();
     $fields = $this->buildEditFields($object);
     return $this->getConduitEditTypesFromFields($fields);
   }
 
   final public static function getAllEditEngines() {
     return id(new PhutilClassMapQuery())
       ->setAncestorClass(__CLASS__)
       ->setUniqueMethod('getEngineKey')
       ->execute();
   }
 
   final public static function getByKey(PhabricatorUser $viewer, $key) {
     return id(new PhabricatorEditEngineQuery())
       ->setViewer($viewer)
       ->withEngineKeys(array($key))
       ->executeOne();
   }
 
   public function getIcon() {
     $application = $this->getApplication();
     return $application->getIcon();
   }
 
   private function loadUsableConfigurationsForCreate() {
     $viewer = $this->getViewer();
 
     $configs = id(new PhabricatorEditEngineConfigurationQuery())
       ->setViewer($viewer)
       ->withEngineKeys(array($this->getEngineKey()))
       ->withIsDefault(true)
       ->withIsDisabled(false)
       ->execute();
 
     $configs = msort($configs, 'getCreateSortKey');
 
     // Attach this specific engine to configurations we load so they can access
     // any runtime configuration. For example, this allows us to generate the
     // correct "Create Form" buttons when editing forms, see T12301.
     foreach ($configs as $config) {
       $config->attachEngine($this);
     }
 
     return $configs;
   }
 
   protected function getValidationExceptionShortMessage(
     PhabricatorApplicationTransactionValidationException $ex,
     PhabricatorEditField $field) {
 
     $xaction_type = $field->getTransactionType();
     if ($xaction_type === null) {
       return null;
     }
 
     return $ex->getShortMessage($xaction_type);
   }
 
   protected function getCreateNewObjectPolicy() {
     return PhabricatorPolicies::POLICY_USER;
   }
 
   private function requireCreateCapability() {
     PhabricatorPolicyFilter::requireCapability(
       $this->getViewer(),
       $this,
       PhabricatorPolicyCapability::CAN_EDIT);
   }
 
   private function hasCreateCapability() {
     return PhabricatorPolicyFilter::hasCapability(
       $this->getViewer(),
       $this,
       PhabricatorPolicyCapability::CAN_EDIT);
   }
 
   public function isCommentAction() {
     return ($this->getEditAction() == 'comment');
   }
 
   public function getEditAction() {
     $controller = $this->getController();
     $request = $controller->getRequest();
     return $request->getURIData('editAction');
   }
 
   protected function newCommentActionGroups() {
     return array();
   }
 
   protected function newAutomaticCommentTransactions($object) {
     return array();
   }
 
   protected function newCommentPreviewContent($object, array $xactions) {
     return null;
   }
 
 
 /* -(  Form Pages  )--------------------------------------------------------- */
 
 
   public function getSelectedPage() {
     return $this->page;
   }
 
 
   private function selectPage($object, $page_key) {
     $pages = $this->getPages($object);
 
     if (empty($pages[$page_key])) {
       return null;
     }
 
     $this->page = $pages[$page_key];
     return $this->page;
   }
 
 
   protected function newPages($object) {
     return array();
   }
 
 
   protected function getPages($object) {
     if ($this->pages === null) {
       $pages = $this->newPages($object);
 
       assert_instances_of($pages, 'PhabricatorEditPage');
       $pages = mpull($pages, null, 'getKey');
 
       $this->pages = $pages;
     }
 
     return $this->pages;
   }
 
   private function applyPageToFields($object, array $fields) {
     $pages = $this->getPages($object);
     if (!$pages) {
       return $fields;
     }
 
     if (!$this->getSelectedPage()) {
       return $fields;
     }
 
     $page_picks = array();
     $default_key = head($pages)->getKey();
     foreach ($pages as $page_key => $page) {
       foreach ($page->getFieldKeys() as $field_key) {
         $page_picks[$field_key] = $page_key;
       }
       if ($page->getIsDefault()) {
         $default_key = $page_key;
       }
     }
 
     $page_map = array_fill_keys(array_keys($pages), array());
     foreach ($fields as $field_key => $field) {
       if (isset($page_picks[$field_key])) {
         $page_map[$page_picks[$field_key]][$field_key] = $field;
         continue;
       }
 
       // TODO: Maybe let the field pick a page to associate itself with so
       // extensions can force themselves onto a particular page?
 
       $page_map[$default_key][$field_key] = $field;
     }
 
     $page = $this->getSelectedPage();
     if (!$page) {
       $page = head($pages);
     }
 
     $selected_key = $page->getKey();
     return $page_map[$selected_key];
   }
 
   protected function willApplyTransactions($object, array $xactions) {
     return $xactions;
   }
 
   protected function didApplyTransactions($object, array $xactions) {
     return;
   }
 
 
 /* -(  Bulk Edits  )--------------------------------------------------------- */
 
   final public function newBulkEditGroupMap() {
     $groups = $this->newBulkEditGroups();
 
     $map = array();
     foreach ($groups as $group) {
       $key = $group->getKey();
 
       if (isset($map[$key])) {
         throw new Exception(
           pht(
             'Two bulk edit groups have the same key ("%s"). Each bulk edit '.
             'group must have a unique key.',
             $key));
       }
 
       $map[$key] = $group;
     }
 
     if ($this->isEngineExtensible()) {
       $extensions = PhabricatorEditEngineExtension::getAllEnabledExtensions();
     } else {
       $extensions = array();
     }
 
     foreach ($extensions as $extension) {
       $extension_groups = $extension->newBulkEditGroups($this);
       foreach ($extension_groups as $group) {
         $key = $group->getKey();
 
         if (isset($map[$key])) {
           throw new Exception(
             pht(
               'Extension "%s" defines a bulk edit group with the same key '.
               '("%s") as the main editor or another extension. Each bulk '.
               'edit group must have a unique key.'));
         }
 
         $map[$key] = $group;
       }
     }
 
     return $map;
   }
 
   protected function newBulkEditGroups() {
     return array(
       id(new PhabricatorBulkEditGroup())
         ->setKey('default')
         ->setLabel(pht('Primary Fields')),
       id(new PhabricatorBulkEditGroup())
         ->setKey('extension')
         ->setLabel(pht('Support Applications')),
     );
   }
 
   final public function newBulkEditMap() {
     $config = $this->loadDefaultConfiguration();
     if (!$config) {
       throw new Exception(
         pht('No default edit engine configuration for bulk edit.'));
     }
 
     $object = $this->newEditableObject();
     $fields = $this->buildEditFields($object);
     $groups = $this->newBulkEditGroupMap();
 
     $edit_types = $this->getBulkEditTypesFromFields($fields);
 
     $map = array();
     foreach ($edit_types as $key => $type) {
       $bulk_type = $type->getBulkParameterType();
       if ($bulk_type === null) {
         continue;
       }
 
       $bulk_label = $type->getBulkEditLabel();
       if ($bulk_label === null) {
         continue;
       }
 
       $group_key = $type->getBulkEditGroupKey();
       if (!$group_key) {
         $group_key = 'default';
       }
 
       if (!isset($groups[$group_key])) {
         throw new Exception(
           pht(
             'Field "%s" has a bulk edit group key ("%s") with no '.
             'corresponding bulk edit group.',
             $key,
             $group_key));
       }
 
       $map[] = array(
         'label' => $bulk_label,
         'xaction' => $key,
         'group' => $group_key,
         'control' => array(
           'type' => $bulk_type->getPHUIXControlType(),
           'spec' => (object)$bulk_type->getPHUIXControlSpecification(),
         ),
       );
     }
 
     return $map;
   }
 
 
   final public function newRawBulkTransactions(array $xactions) {
     $config = $this->loadDefaultConfiguration();
     if (!$config) {
       throw new Exception(
         pht('No default edit engine configuration for bulk edit.'));
     }
 
     $object = $this->newEditableObject();
     $fields = $this->buildEditFields($object);
 
     $edit_types = $this->getBulkEditTypesFromFields($fields);
     $template = $object->getApplicationTransactionTemplate();
 
     $raw_xactions = array();
     foreach ($xactions as $key => $xaction) {
       PhutilTypeSpec::checkMap(
         $xaction,
         array(
           'type' => 'string',
           'value' => 'optional wild',
         ));
 
       $type = $xaction['type'];
       if (!isset($edit_types[$type])) {
         throw new Exception(
           pht(
             'Unsupported bulk edit type "%s".',
             $type));
       }
 
       $edit_type = $edit_types[$type];
 
       // Replace the edit type with the underlying transaction type. Usually
       // these are 1:1 and the transaction type just has more internal noise,
       // but it's possible that this isn't the case.
       $xaction['type'] = $edit_type->getTransactionType();
 
       $value = $xaction['value'];
       $value = $edit_type->getTransactionValueFromBulkEdit($value);
       $xaction['value'] = $value;
 
       $xaction_objects = $edit_type->generateTransactions(
         clone $template,
         $xaction);
 
       foreach ($xaction_objects as $xaction_object) {
         $raw_xaction = array(
           'type' => $xaction_object->getTransactionType(),
           'metadata' => $xaction_object->getMetadata(),
           'new' => $xaction_object->getNewValue(),
         );
 
         if ($xaction_object->hasOldValue()) {
           $raw_xaction['old'] = $xaction_object->getOldValue();
         }
 
         if ($xaction_object->hasComment()) {
           $comment = $xaction_object->getComment();
           $raw_xaction['comment'] = $comment->getContent();
         }
 
         $raw_xactions[] = $raw_xaction;
       }
     }
 
     return $raw_xactions;
   }
 
   private function getBulkEditTypesFromFields(array $fields) {
     $types = array();
 
     foreach ($fields as $field) {
       $field_types = $field->getBulkEditTypes();
 
       if ($field_types === null) {
         continue;
       }
 
       foreach ($field_types as $field_type) {
         $types[$field_type->getEditType()] = $field_type;
       }
     }
 
     return $types;
   }
 
 
 /* -(  PhabricatorPolicyInterface  )----------------------------------------- */
 
 
   public function getPHID() {
     return get_class($this);
   }
 
   public function getCapabilities() {
     return array(
       PhabricatorPolicyCapability::CAN_VIEW,
       PhabricatorPolicyCapability::CAN_EDIT,
     );
   }
 
   public function getPolicy($capability) {
     switch ($capability) {
       case PhabricatorPolicyCapability::CAN_VIEW:
         return PhabricatorPolicies::getMostOpenPolicy();
       case PhabricatorPolicyCapability::CAN_EDIT:
         return $this->getCreateNewObjectPolicy();
     }
   }
 
   public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
     return false;
   }
 
 }