2011-05-22 20:55:10 +02:00
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<?php
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/*
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* Copyright 2011 Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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class PhabricatorFileDropUploadController extends PhabricatorFileController {
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public function processRequest() {
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$request = $this->getRequest();
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2011-07-08 06:17:00 +02:00
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$user = $request->getUser();
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2011-05-22 20:55:10 +02:00
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Prevent CSRF uploads via /file/dropupload/
Summary:
We don't currently validate CSRF tokens on this workflow. This allows an
attacker to upload arbitrary files on the user's behalf. Although I believe the
tight list of servable mime-types means that's more or less the end of the
attack, this is still a vulnerability.
In the long term, the right solution is probably to pass CSRF tokens on all Ajax
requests in an HTTP header (or just a GET param) or something like that.
However, this endpoint is unique and this is the quickest and most direct way to
close the hole.
Test Plan:
- Drop-uploaded files to Files, Maniphest, Phriction and Differential.
- Modified CSRF vaidator to use __csrf__.'x' and verified uploads and form
submissions don't work.
Reviewers: andrewjcg, aran, jungejason, tuomaspelkonen, erling
Commenters: andrewjcg, pedram
CC: aran, epriestley, andrewjcg, pedram
Differential Revision: 758
2011-08-02 05:23:01 +02:00
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// NOTE: Throws if valid CSRF token is not present in the request.
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$request->validateCSRF();
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2011-05-22 20:55:10 +02:00
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$data = file_get_contents('php://input');
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$name = $request->getStr('name');
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$file = PhabricatorFile::newFromFileData(
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$data,
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array(
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'name' => $request->getStr('name'),
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2011-07-08 06:17:00 +02:00
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'authorPHID' => $user->getPHID(),
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2011-05-22 20:55:10 +02:00
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));
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Improve drag-and-drop uploader
Summary:
Make it discoverable, show uploading progress, show file thumbnails, allow you
to remove files, make it a generic form component.
Test Plan:
Uploaded ducks
Reviewed By: tomo
Reviewers: aran, tomo, jungejason, tuomaspelkonen
CC: anjali, aran, epriestley, tomo
Differential Revision: 334
2011-05-23 01:11:41 +02:00
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$view = new AphrontAttachedFileView();
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$view->setFile($file);
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2011-05-22 20:55:10 +02:00
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return id(new AphrontAjaxResponse())->setContent(
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array(
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2011-07-30 01:01:59 +02:00
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'id' => $file->getID(),
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2011-05-22 20:55:10 +02:00
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'phid' => $file->getPHID(),
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Improve drag-and-drop uploader
Summary:
Make it discoverable, show uploading progress, show file thumbnails, allow you
to remove files, make it a generic form component.
Test Plan:
Uploaded ducks
Reviewed By: tomo
Reviewers: aran, tomo, jungejason, tuomaspelkonen
CC: anjali, aran, epriestley, tomo
Differential Revision: 334
2011-05-23 01:11:41 +02:00
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'html' => $view->render(),
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2011-07-30 01:01:59 +02:00
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'uri' => $file->getBestURI(),
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2011-05-22 20:55:10 +02:00
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));
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}
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}
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