Conduit paste.info method for the pastebin.

Summary:
This implements a paste.info conduit method, for retrieving info about a paste. Imagine that.

Test Plan:
[ricky@rhelpad01 method]$ echo '{"paste_id":1}' | arc call-conduit --conduit-uri=http://phabricator.local/api/ paste.info
{"error":null,"errorMessage":null,"response":{"id":"1","phid":"PHID-PSTE-10934f3df8ed33c06555","authorPHID":"PHID-USER-9d03e8fa47516d37dc92","filePHID":"PHID-FILE-e85f6a72c773d24f4981","title":"test.php","dateCreated":"1307731614"}}

Reviewers:
epriestley

CC:

Differential Revision: 458

src/__phutil_library_map__.php

@@ -104,6 +104,7 @@ phutil_register_library_map(array(
     'ConduitAPI_diffusion_getrecentcommitsbypath_Method' => 'applications/conduit/method/diffusion/getrecentcommitsbypath',
     'ConduitAPI_file_download_Method' => 'applications/conduit/method/file/download',
     'ConduitAPI_file_upload_Method' => 'applications/conduit/method/file/upload',
+    'ConduitAPI_paste_info_Method' => 'applications/conduit/method/paste/info',
     'ConduitAPI_path_getowners_Method' => 'applications/conduit/method/path/getowners',
     'ConduitAPI_user_find_Method' => 'applications/conduit/method/user/find',
     'ConduitAPI_user_whoami_Method' => 'applications/conduit/method/user/whoami',
@@ -636,6 +637,7 @@ phutil_register_library_map(array(
     'ConduitAPI_diffusion_getrecentcommitsbypath_Method' => 'ConduitAPIMethod',
     'ConduitAPI_file_download_Method' => 'ConduitAPIMethod',
     'ConduitAPI_file_upload_Method' => 'ConduitAPIMethod',
+    'ConduitAPI_paste_info_Method' => 'ConduitAPIMethod',
     'ConduitAPI_path_getowners_Method' => 'ConduitAPIMethod',
     'ConduitAPI_user_find_Method' => 'ConduitAPIMethod',
     'ConduitAPI_user_whoami_Method' => 'ConduitAPIMethod',

src/applications/conduit/method/paste/info/ConduitAPI_paste_info_Method.php

@@ -0,0 +1,60 @@
+<?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 ConduitAPI_paste_info_Method extends ConduitAPIMethod {
+
+  public function getMethodDescription() {
+    return "Retrieve an array of information about a paste.";
+  }
+
+  public function defineParamTypes() {
+    return array(
+      'paste_id' => 'required id',
+    );
+  }
+
+  public function defineReturnType() {
+    return 'nonempty dict';
+  }
+
+  public function defineErrorTypes() {
+    return array(
+      'ERR_BAD_PASTE' => 'No such paste exists'
+    );
+  }
+
+  protected function execute(ConduitAPIRequest $request) {
+    $paste_id = $request->getValue('paste_id');
+    $paste = id(new PhabricatorPaste())->load($paste_id);
+    if (!$paste) {
+      throw new ConduitException('ERR_BAD_PASTE');
+    }
+
+    $result = array(
+      'id'          => $paste->getID(),
+      'phid'        => $paste->getPHID(),
+      'authorPHID'  => $paste->getAuthorPHID(),
+      'filePHID'    => $paste->getFilePHID(),
+      'title'       => $paste->getTitle(),
+      'dateCreated' => $paste->getDateCreated(),
+    );
+
+    return $result;
+  }
+
+}

src/applications/conduit/method/paste/info/__init__.php

@@ -0,0 +1,16 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'applications/conduit/method/base');
+phutil_require_module('phabricator', 'applications/conduit/protocol/exception');
+phutil_require_module('phabricator', 'applications/paste/storage/paste');
+
+phutil_require_module('phutil', 'utils');
+
+
+phutil_require_source('ConduitAPI_paste_info_Method.php');