| # Copyright 2013 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Request handler to display an image from Google Cloud Storage.""" |
| |
| import json |
| import os |
| import sys |
| import webapp2 |
| |
| from common import cloud_bucket |
| from common import constants |
| |
| import gs_bucket |
| |
| |
| class ImageHandler(webapp2.RequestHandler): |
| """A request handler to avoid the Same-Origin problem in the debug view.""" |
| |
| def get(self): |
| """Handles get requests to the ImageHandler. |
| |
| GET Parameters: |
| file_path: A path to an image resource in Google Cloud Storage. |
| """ |
| file_path = self.request.get('file_path') |
| if not file_path: |
| self.error(404) |
| return |
| bucket = gs_bucket.GoogleCloudStorageBucket(constants.BUCKET) |
| try: |
| image = bucket.DownloadFile(file_path) |
| except cloud_bucket.FileNotFoundError: |
| self.error(404) |
| else: |
| self.response.headers['Content-Type'] = 'image/png' |
| self.response.out.write(image) |
