def post(self):
"""
Note: BlobstoreUploadHandler POSTs must return a redirect
"""
logging.info("starting post")
upload_files = self.get_uploads()
handle = self.request.get("handle")
signature = self.request.get("signature")
logging.info("Handling post for handle=%s signature=%s" % (handle, signature))
try:
if len(upload_files) > 0:
blob_info = upload_files[0]
data = blobstore.fetch_data(blob_info.key(), 0, blob_info.size)
imgtemp = images.Image(image_data=data)
width = imgtemp.width
height = imgtemp.height
logging.info("Got upload %s => handle=%s size=%dx%d" % (blob_info.__dict__, handle, width, height))
if is_alphanumeric(handle) and \
is_alphanumeric(signature) and \
is_signature_valid(handle, signature):
image = find_image_by_handle(handle)
api_response = "/image/info?handle=%s&signature=%s" % (handle, signature)
if image is not None:
# TODO: add an option to clobber an existing image
response = { 'handle': image.handle, 'created_at': image.created_at.isoformat(), 'status': image.status }
logging.info("Image already exists: %s" % response)
self.redirect(api_response)
return
image = ImageAsset(handle=handle, status="done", width=width, height=height, blob_key=blob_info.key())
image.put()
if (self.request.get("return")):
# this was submitted by the Gallery form
self.redirect(self.request.get("return"))
else:
# this was submitted by an API client
logging.info("Created image: %s" % image)
# TODO: callback to the BC API to update that the image submission completed
self.redirect(api_response)
return
else:
logging.error("Invalid params: handle=%s signature=%s" % (handle, signature))
else:
media = self.request.get("media")
logging.error("Nothing uploaded? %s" % upload_files)
logging.error("media = %s" % media)
logging.error("Request data: %s" % self.request.__dict__)
#except blobstore.BlobFetchSizeTooLargeError, e:
# self.redirect("/image/error?handle=%s&signature=%s&error=%s" % (handle, signature, urllib.quote(str(e)))
# return
#except DeadlineExceededError, e:
# self.redirect("/image/error?handle=%s&signature=%s&error=%s" % (handle, signature, urllib.quote(str(e)))
# return
except:
logging.error("Request data: %s" % self.request.__dict__)
logging.error("Image upload failed: ", exc_info=1)
# TODO (maybe): redirect to an error handler
self.error(500)
def post(self):
status = self.request.get("status")
handle = self.request.get("handle")
signature = self.request.get("signature")
check_param(self.response, "handle", handle)
check_param(self.response, "signature", signature)
check_signature(self.response, handle, signature)
if status:
image = find_image_by_handle(handle)
image.put()
def get(self):
handle = self.request.get("handle")
signature = self.request.get("signature")
check_param(self.response, "handle", handle)
check_param(self.response, "signature", signature)
check_signature(self.response, handle, signature)
image = find_image_by_handle(handle)
self.response.headers['Content-Type'] = 'application/json'
response = { 'handle': image.handle, 'created_at': image.created_at.isoformat(), 'status': image.status }
self.response.out.write(simplejson.dumps(response))
def get(self):
handle = self.request.get("handle")
signature = self.request.get("signature")
check_param(self.response, "handle", handle)
check_param(self.response, "signature", signature)
check_signature(self.response, handle, signature)
image = find_image_by_handle(handle)
if image:
blobstore.delete(image.blob_key.key())
response = { 'handle': handle, 'created_at': image.created_at.isoformat(), 'status': 'deleted' }
image.delete()
else:
response = { 'handle': handle, 'status': 'not found' }
self.response.headers['Content-Type'] = 'application/json'
self.response.out.write(simplejson.dumps(response))
def get(self, handle, size):
image = find_image_by_handle(handle)
inflate = self.request.get("inflate")
direct = self.request.get("direct")
logging.info("Got image %s for handle %s" % (image, handle))
if image:
try:
self.response.headers["Cache-Control"] = 'public,max-age=%d' % int(60*24*60*60)
self.response.headers["Expires"] = (datetime.datetime.today()+datetime.timedelta(days=60)).strftime('%a, %d %b %Y %H:%M:%S GMT')
self.response.headers["X-Image-Dimensions"] = "%sx%s" % (image.width, image.height)
if size == 'full':
image_url = images.get_serving_url(str(image.blob_key.key()))
if direct == '1':
return self.direct(image_url)
self.redirect(image_url, permanent=True)
return
else:
requested_width, requested_height = parse_dimension_string(size)
if requested_width == requested_height:
crop = True
else:
crop = False
image_size = image.width if image.width > image.height else image.height
requested_size = requested_width if requested_width > requested_height else requested_height
if inflate != '1' and requested_size > image_size:
serving_size = image_size
else:
serving_size = requested_size
logging.info("Serving %s scaled to %s with crop=%s" % (handle, serving_size, crop))
image_url = images.get_serving_url(str(image.blob_key.key()), size=serving_size, crop=crop)
if direct == '1':
return self.direct(image_url)
self.redirect(image_url, permanent=True)
return
except images.BadImageError, images.NotImageError:
logging.error("Image request failed: ", exc_info=1)
self.error(500)
