def s3signatures(request):
""" Returns a signature so that files can be uploaded to the s3 materials bucket """
if 's3_object_name' not in request.QUERY_PARAMS:
return Response({"message": "missing s3_object_name from request"},
status=status.HTTP_400_BAD_REQUEST)
s3name = upload_path(request.user.username,
request.QUERY_PARAMS['s3_object_name'])
# Canonical strings and key signing are documented in the s3 developer guide.
# http://s3.amazonaws.com/doc/s3-developer-guide/RESTAuthentication.html
amz_date = datetime.datetime.now(
tzlocal()).strftime('%a, %d %b %Y %H:%M:%S %Z')
canonical_string = "POST\n\n\nx-amz-date:{}\n{}".format(amz_date, s3name)
h = hmac.new(settings.AWS_SECRET_ACCESS_KEY, canonical_string, sha)
signature = base64.encodestring(h.digest()).strip()
return Response({
'signed_request':
signature,
'url':
s3name,
'key_id':
settings.AWS_ACCESS_KEY_ID,
'x-amz-date':
amz_date,
'canonical_string':
canonical_string,
'Authorization':
'AWS {}:{}'.format(settings.AWS_ACCESS_KEY_ID, signature),
})
def s3signatures(request):
""" Returns a signature so that files can be uploaded to the s3 materials bucket """
if 's3_object_name' not in request.QUERY_PARAMS:
return Response({"message": "missing s3_object_name from request"}, status=status.HTTP_400_BAD_REQUEST)
s3name = upload_path(request.user.username, request.QUERY_PARAMS['s3_object_name'])
# Canonical strings and key signing are documented in the s3 developer guide.
# http://s3.amazonaws.com/doc/s3-developer-guide/RESTAuthentication.html
amz_date = datetime.datetime.now(tzlocal()).strftime('%a, %d %b %Y %H:%M:%S %Z')
canonical_string = "POST\n\n\nx-amz-date:{}\n{}".format(amz_date, s3name)
h = hmac.new(settings.AWS_SECRET_ACCESS_KEY, canonical_string, sha)
signature = base64.encodestring(h.digest()).strip()
return Response({
'signed_request': signature,
'url': s3name,
'key_id': settings.AWS_ACCESS_KEY_ID,
'x-amz-date': amz_date,
'canonical_string': canonical_string,
'Authorization': 'AWS {}:{}'.format(settings.AWS_ACCESS_KEY_ID, signature),
})
def upload_materials_callback(self, filename):
return upload_path('materials', filename)
def upload_article_callback(self, filename):
return upload_path('articles', filename)
def upload_callback(self, filename):
return upload_path('results', filename)
def upload_materials_callback(self, filename):
return upload_path('materials', filename)
def upload_article_callback(self, filename):
return upload_path('articles', filename)
def upload_callback(self, filename):
return upload_path('results', filename)
