X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=csit.infra.dash%2Fapp%2Fpal%2Futils%2Furl_processing.py;fp=csit.infra.dash%2Fapp%2Fpal%2Futils%2Furl_processing.py;h=0000000000000000000000000000000000000000;hb=af8e703eb180e46ca65ff0c165a21f2261896548;hp=9307015d0da167082714147a954e810306a23c20;hpb=4d095b586bc4e249ab4e30e1a3f17b310f52a229;p=csit.git diff --git a/csit.infra.dash/app/pal/utils/url_processing.py b/csit.infra.dash/app/pal/utils/url_processing.py deleted file mode 100644 index 9307015d0d..0000000000 --- a/csit.infra.dash/app/pal/utils/url_processing.py +++ /dev/null @@ -1,99 +0,0 @@ -# Copyright (c) 2022 Cisco and/or its affiliates. -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at: -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -"""URL decoding and parsing and URL encoding. -""" - -import logging - -from base64 import urlsafe_b64encode, urlsafe_b64decode -from urllib.parse import urlencode, urlunparse, urlparse, parse_qs -from zlib import compress, decompress -from zlib import error as ZlibErr -from binascii import Error as BinasciiErr - - -def url_encode(params: dict) -> str: - """Encode the URL parameters and zip them and create the whole URL using - given data. - - :param params: All data necessary to create the URL: - - scheme, - - network location, - - path, - - query, - - parameters. - :type params: dict - :returns: Encoded URL. - :rtype: str - """ - - url_params = params.get("params", None) - if url_params: - encoded_params = urlsafe_b64encode( - compress(urlencode(url_params).encode("utf-8"), level=9) - ).rstrip(b"=").decode("utf-8") - else: - encoded_params = str() - - return urlunparse(( - params.get("scheme", "http"), - params.get("netloc", str()), - params.get("path", str()), - str(), # params - params.get("query", str()), - encoded_params - )) - - -def url_decode(url: str) -> dict: - """Parse the given URL and decode the parameters. - - :param url: URL to be parsed and decoded. - :type url: str - :returns: Paresed URL. - :rtype: dict - """ - - try: - parsed_url = urlparse(url) - except ValueError as err: - logging.warning(f"\nThe url {url} is not valid, ignoring.\n{repr(err)}") - return None - - if parsed_url.fragment: - try: - padding = b"=" * (4 - (len(parsed_url.fragment) % 4)) - params = parse_qs(decompress( - urlsafe_b64decode( - (parsed_url.fragment.encode("utf-8") + padding) - )).decode("utf-8") - ) - except (BinasciiErr, UnicodeDecodeError, ZlibErr) as err: - logging.warning( - f"\nNot possible to decode the parameters from url: {url}" - f"\nEncoded parameters: '{parsed_url.fragment}'" - f"\n{repr(err)}" - ) - return None - else: - params = None - - return { - "scheme": parsed_url.scheme, - "netloc": parsed_url.netloc, - "path": parsed_url.path, - "query": parsed_url.query, - "fragment": parsed_url.fragment, - "params": params - }