File indexing completed on 2024-12-29 04:51:02

 #!/usr/bin/env python3
 # SPDX-FileCopyrightText: 2023 Volker Krause <vkrause@kde.org>
 # SPDX-License-Identifier: LGPL-2.0-or-later
 
 import argparse
 import base64
 import json
 import os
 import requests
 
 def hexToBase64(s):
     if len(s) % 2 == 1:
         s = '0' + s
     return base64.b64encode(bytes.fromhex(s)).decode()
 
 parser = argparse.ArgumentParser(description='Download RSP-6 public keys')
 parser.add_argument('--output', type=str, required=True, help='Path to which the output should be written')
 arguments = parser.parse_args()
 
 os.makedirs(arguments.output, exist_ok = True)
 
 req = requests.get('https://git.eta.st/eta/rsp6-decoder/raw/branch/master/keys.json')
 keys = json.loads(req.content)
 issuers = []
 
 # remove all existing certs so we clean up revoked/expired ones
 for f in os.listdir(arguments.output):
     if f.endswith(".json"):
         os.remove(os.path.join(arguments.output, f))
 
 # create per issuer key files
 for issuerId in keys:
     issuerKeys = []
     for key in keys[issuerId]:
         k = {}
         k['n'] = hexToBase64(key['modulus_hex'])
         k['e'] = hexToBase64(key['public_exponent_hex'])
         issuerKeys.append(k)
     keysFile = open(os.path.join(arguments.output, issuerId + '.json'), 'w')
     keysFile.write(json.dumps(issuerKeys))
     issuers.append(issuerId)
 
 # write qrc file
 issuers.sort()
 qrcFile = open(os.path.join(arguments.output, 'rsp6-keys.qrc'), 'w')
 qrcFile.write("""<!--
     SPDX-FileCopyrightText: none
     SPDX-License-Identifier: CC0-1.0
 -->
 <RCC>
   <qresource prefix="/org.kde.pim/kitinerary/rsp6/keys/">
 """)
 for issuerId in issuers:
     qrcFile.write(f"    <file>{issuerId}.json</file>\n")
 qrcFile.write("""  </qresource>
 </RCC>""")
 qrcFile.close()