util/gerrit-bot/extract_gitcookies.py

   1 # Copyright (c) 2020 The Regents of the University of California
   2 # All Rights Reserved.
   3 #
   4 # Redistribution and use in source and binary forms, with or without
   5 # modification, are permitted provided that the following conditions are
   6 # met: redistributions of source code must retain the above copyright
   7 # notice, this list of conditions and the following disclaimer;
   8 # redistributions in binary form must reproduce the above copyright
   9 # notice, this list of conditions and the following disclaimer in the
  10 # documentation and/or other materials provided with the distribution;
  11 # neither the name of the copyright holders nor the names of its
  12 # contributors may be used to endorse or promote products derived from
  13 # this software without specific prior written permission.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26
  27 import argparse
  28
  29 def parse_gitcookies_line(raw):
  30     # if this is a line from .gitcookies, the delimiter is `\t`
  31     auth_info = raw.strip().split('\t')
  32     if len(auth_info) < 7:
  33         # if this is a line from auth script, the delimiter is `,`
  34         auth_info = raw.strip().split(',')
  35     if len(auth_info) != 7:
  36         return None, None
  37     auth_info = auth_info[-1]
  38     auth_info = auth_info[4:].split("=")
  39     username = auth_info[0]
  40     password = auth_info[1]
  41     return username, password
  42
  43 def parse_gitcookies(input_path):
  44     username_password_dict = {}
  45     with open(input_path, "r") as input_stream:
  46         for line in input_stream:
  47             username, password = parse_gitcookies_line(line)
  48             if not username:
  49                 continue
  50             username_password_dict[username] = password
  51     return username_password_dict
  52
  53 if __name__ == "__main__":
  54     parser = argparse.ArgumentParser(
  55         description=("Extract username and password from .gitcookies"
  56                      "or from the script used to write .gitcookies file"))
  57     parser.add_argument("input",
  58                         help = ("Path to a .gitcookies file or a file with "
  59                                 "a similar format"))
  60     parser.add_argument("output", help="Path to the output file")
  61     args = parser.parse_args()
  62     username_password_dict = parse_gitcookies(args.input)
  63     with open(args.output, "w") as output_stream:
  64         for username, password in username_password_dict.items():
  65             output_stream.write(f"{username}\n{password}\n")