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| 1 # Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 | |
| 5 """Request handler to display an image from Google Cloud Storage.""" | |
| 6 | |
| 7 import json | |
| 8 import os | |
| 9 import sys | |
| 10 import webapp2 | |
| 11 | |
| 12 from common import cloud_bucket | |
| 13 from common import constants | |
| 14 | |
| 15 import gs_bucket | |
| 16 | |
| 17 | |
| 18 class ImageHandler(webapp2.RequestHandler): | |
| 19 """A request handler to avoid the Same-Origin problem in the debug view.""" | |
| 20 | |
| 21 def get(self): | |
| 22 """Handles get requests to the ImageHandler. | |
| 23 | |
| 24 GET Parameters: | |
| 25 file_path: A path to an image resource in Google Cloud Storage. | |
| 26 """ | |
| 27 file_path = self.request.get('file_path') | |
| 28 if not file_path: | |
| 29 self.error(404) | |
| 30 return | |
| 31 bucket = gs_bucket.GoogleCloudStorageBucket(constants.BUCKET) | |
| 32 try: | |
| 33 image = bucket.DownloadFile(file_path) | |
| 34 except cloud_bucket.FileNotFoundError: | |
| 35 self.error(404) | |
| 36 else: | |
| 37 self.response.headers['Content-Type'] = 'image/png' | |
| 38 self.response.out.write(image) | |
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