Add a "Config" plugin to DarkConsole.

Summary: This plugin lets you see how the host is configured at runtime.

Test Plan:

Reviewers:

CC:

conf/default.conf.php

@@ -90,6 +90,16 @@ return array(
   'darkconsole.always-on'       => false,
 
 
+  // Allows you to mask certain configuration values from appearing in the
+  // "Config" tab of DarkConsole.
+  'darkconsole.config-mask'     => array(
+    'mysql.pass',
+    'amazon-ses.secret-key',
+    'recaptcha.private-key',
+    'phabricator.csrf-key',
+    'facebook.application-secret',
+  ),
+
 // --  MySQL  --------------------------------------------------------------- //
 
   // The username to use when connecting to MySQL.

src/__phutil_library_map__.php

@@ -76,6 +76,7 @@ phutil_register_library_map(array(
     'ConduitAPI_user_find_Method' => 'applications/conduit/method/user/find',
     'ConduitException' => 'applications/conduit/protocol/exception',
     'DarkConsole' => 'aphront/console/api',
+    'DarkConsoleConfigPlugin' => 'aphront/console/plugin/config',
     'DarkConsoleController' => 'aphront/console/controller',
     'DarkConsoleCore' => 'aphront/console/core',
     'DarkConsoleErrorLogPlugin' => 'aphront/console/plugin/errorlog',
@@ -304,6 +305,7 @@ phutil_register_library_map(array(
     'ConduitAPI_differential_updaterevision_Method' => 'ConduitAPIMethod',
     'ConduitAPI_file_upload_Method' => 'ConduitAPIMethod',
     'ConduitAPI_user_find_Method' => 'ConduitAPIMethod',
+    'DarkConsoleConfigPlugin' => 'DarkConsolePlugin',
     'DarkConsoleController' => 'PhabricatorController',
     'DarkConsoleErrorLogPlugin' => 'DarkConsolePlugin',
     'DarkConsoleRequestPlugin' => 'DarkConsolePlugin',

src/aphront/console/core/DarkConsoleCore.php

@@ -22,6 +22,7 @@ final class DarkConsoleCore {
   const PLUGIN_SERVICES     = 'Services';
   const PLUGIN_XHPROF       = 'XHProf';
   const PLUGIN_REQUEST      = 'Request';
+  const PLUGIN_CONFIG       = 'Config';
 
   public static function getPlugins() {
     return array(
@@ -29,6 +30,7 @@ final class DarkConsoleCore {
       self::PLUGIN_REQUEST,
       self::PLUGIN_SERVICES,
       self::PLUGIN_XHPROF,
+      self::PLUGIN_CONFIG,
     );
   }
 

src/aphront/console/plugin/config/DarkConsoleConfigPlugin.php

@@ -0,0 +1,69 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+class DarkConsoleConfigPlugin extends DarkConsolePlugin {
+
+  public function getName() {
+    return 'Config';
+  }
+
+  public function getDescription() {
+    return 'Information about Phabricator configuration';
+  }
+
+  public function generateData() {
+    return PhabricatorEnv::getAllConfigKeys();
+  }
+
+  public function render() {
+
+    $data = $this->getData();
+    ksort($data);
+    
+    $mask = PhabricatorEnv::getEnvConfig('darkconsole.config-mask');
+    $mask = array_fill_keys($mask, true);
+    
+    $rows = array();
+    foreach ($data as $key => $value) {
+      if (empty($mask[$key])) {
+        $display_value = is_array($value) ? json_encode($value) : $value;
+        $display_value = phutil_escape_html($display_value);
+      } else {
+        $display_value = phutil_escape_html('<Masked>');
+      }
+      $rows[] = array(
+        phutil_escape_html($key),
+        $display_value,
+      );
+    }
+
+    $table = new AphrontTableView($rows);
+    $table->setHeaders(
+      array(
+        'Key',
+        'Value',
+      ));
+    $table->setColumnClasses(
+      array(
+        'header',
+        'wide wrap',
+      ));
+
+    return $table->render();
+  }
+}

src/infrastructure/env/PhabricatorEnv.php

@@ -30,5 +30,9 @@ final class PhabricatorEnv {
   public static function getURI($path) {
     return rtrim(self::getEnvConfig('phabricator.base-uri'), '/').$path;
   }
+  
+  public static function getAllConfigKeys() {
+    return self::$env;
+  }
 
 }