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Diffstat (limited to 'library/jqupload/server/gae-python/main.py')
| -rw-r--r-- | library/jqupload/server/gae-python/main.py | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/library/jqupload/server/gae-python/main.py b/library/jqupload/server/gae-python/main.py deleted file mode 100644 index 37aa44e38..000000000 --- a/library/jqupload/server/gae-python/main.py +++ /dev/null @@ -1,170 +0,0 @@ -# -*- coding: utf-8 -*- -# -# jQuery File Upload Plugin GAE Python Example 2.1.1 -# https://github.com/blueimp/jQuery-File-Upload -# -# Copyright 2011, Sebastian Tschan -# https://blueimp.net -# -# Licensed under the MIT license: -# http://www.opensource.org/licenses/MIT -# - -from __future__ import with_statement -from google.appengine.api import files, images -from google.appengine.ext import blobstore, deferred -from google.appengine.ext.webapp import blobstore_handlers -import json -import re -import urllib -import webapp2 - -WEBSITE = 'http://blueimp.github.io/jQuery-File-Upload/' -MIN_FILE_SIZE = 1 # bytes -MAX_FILE_SIZE = 5000000 # bytes -IMAGE_TYPES = re.compile('image/(gif|p?jpeg|(x-)?png)') -ACCEPT_FILE_TYPES = IMAGE_TYPES -THUMBNAIL_MODIFICATOR = '=s80' # max width / height -EXPIRATION_TIME = 300 # seconds - - -def cleanup(blob_keys): - blobstore.delete(blob_keys) - - -class UploadHandler(webapp2.RequestHandler): - - def initialize(self, request, response): - super(UploadHandler, self).initialize(request, response) - self.response.headers['Access-Control-Allow-Origin'] = '*' - self.response.headers[ - 'Access-Control-Allow-Methods' - ] = 'OPTIONS, HEAD, GET, POST, PUT, DELETE' - self.response.headers[ - 'Access-Control-Allow-Headers' - ] = 'Content-Type, Content-Range, Content-Disposition' - - def validate(self, file): - if file['size'] < MIN_FILE_SIZE: - file['error'] = 'File is too small' - elif file['size'] > MAX_FILE_SIZE: - file['error'] = 'File is too big' - elif not ACCEPT_FILE_TYPES.match(file['type']): - file['error'] = 'Filetype not allowed' - else: - return True - return False - - def get_file_size(self, file): - file.seek(0, 2) # Seek to the end of the file - size = file.tell() # Get the position of EOF - file.seek(0) # Reset the file position to the beginning - return size - - def write_blob(self, data, info): - blob = files.blobstore.create( - mime_type=info['type'], - _blobinfo_uploaded_filename=info['name'] - ) - with files.open(blob, 'a') as f: - f.write(data) - files.finalize(blob) - return files.blobstore.get_blob_key(blob) - - def handle_upload(self): - results = [] - blob_keys = [] - for name, fieldStorage in self.request.POST.items(): - if type(fieldStorage) is unicode: - continue - result = {} - result['name'] = re.sub( - r'^.*\\', - '', - fieldStorage.filename - ) - result['type'] = fieldStorage.type - result['size'] = self.get_file_size(fieldStorage.file) - if self.validate(result): - blob_key = str( - self.write_blob(fieldStorage.value, result) - ) - blob_keys.append(blob_key) - result['deleteType'] = 'DELETE' - result['deleteUrl'] = self.request.host_url +\ - '/?key=' + urllib.quote(blob_key, '') - if (IMAGE_TYPES.match(result['type'])): - try: - result['url'] = images.get_serving_url( - blob_key, - secure_url=self.request.host_url.startswith( - 'https' - ) - ) - result['thumbnailUrl'] = result['url'] +\ - THUMBNAIL_MODIFICATOR - except: # Could not get an image serving url - pass - if not 'url' in result: - result['url'] = self.request.host_url +\ - '/' + blob_key + '/' + urllib.quote( - result['name'].encode('utf-8'), '') - results.append(result) - deferred.defer( - cleanup, - blob_keys, - _countdown=EXPIRATION_TIME - ) - return results - - def options(self): - pass - - def head(self): - pass - - def get(self): - self.redirect(WEBSITE) - - def post(self): - if (self.request.get('_method') == 'DELETE'): - return self.delete() - result = {'files': self.handle_upload()} - s = json.dumps(result, separators=(',', ':')) - redirect = self.request.get('redirect') - if redirect: - return self.redirect(str( - redirect.replace('%s', urllib.quote(s, ''), 1) - )) - if 'application/json' in self.request.headers.get('Accept'): - self.response.headers['Content-Type'] = 'application/json' - self.response.write(s) - - def delete(self): - key = self.request.get('key') or '' - blobstore.delete(key) - s = json.dumps({key: True}, separators=(',', ':')) - if 'application/json' in self.request.headers.get('Accept'): - self.response.headers['Content-Type'] = 'application/json' - self.response.write(s) - - -class DownloadHandler(blobstore_handlers.BlobstoreDownloadHandler): - def get(self, key, filename): - if not blobstore.get(key): - self.error(404) - else: - # Prevent browsers from MIME-sniffing the content-type: - self.response.headers['X-Content-Type-Options'] = 'nosniff' - # Cache for the expiration time: - self.response.headers['Cache-Control'] = 'public,max-age=%d' % EXPIRATION_TIME - # Send the file forcing a download dialog: - self.send_blob(key, save_as=filename, content_type='application/octet-stream') - -app = webapp2.WSGIApplication( - [ - ('/', UploadHandler), - ('/([^/]+)/([^/]+)', DownloadHandler) - ], - debug=True -) |