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annotate OrthancFramework/Resources/RetrieveCACertificates.py @ 5853:4d932683049d get-scu tip

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very first implementation of C-Get SCU
author Alain Mazy <am@orthanc.team>
date Tue, 29 Oct 2024 17:25:49 +0100
parents 2854418a7c0d
children
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1 #!/usr/bin/python
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2
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3 # Orthanc - A Lightweight, RESTful DICOM Store
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4 # Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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5 # Department, University Hospital of Liege, Belgium
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6 # Copyright (C) 2017-2023 Osimis S.A., Belgium
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7 # Copyright (C) 2024-2024 Orthanc Team SRL, Belgium
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8 # Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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9 #
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10 # This program is free software: you can redistribute it and/or
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11 # modify it under the terms of the GNU Lesser General Public License
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12 # as published by the Free Software Foundation, either version 3 of
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13 # the License, or (at your option) any later version.
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14 #
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15 # This program is distributed in the hope that it will be useful, but
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16 # WITHOUT ANY WARRANTY; without even the implied warranty of
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17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 # Lesser General Public License for more details.
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19 #
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20 # You should have received a copy of the GNU Lesser General Public
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21 # License along with this program. If not, see
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22 # <http://www.gnu.org/licenses/>.
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25 import re
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26 import sys
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27 import subprocess
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28 import urllib2
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31 if len(sys.argv) <= 2:
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32 print('Download a set of CA certificates, convert them to PEM, then format them as a C macro')
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33 print('Usage: %s [Macro] [Certificate1] <Certificate2>...' % sys.argv[0])
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34 print('')
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35 print('Example: %s GITHUB_CERTIFICATES https://cacerts.digicert.com/DigiCertSHA2HighAssuranceServerCA.crt' % sys.argv[0])
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36 print('')
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37 sys.exit(-1)
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38
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39 MACRO = sys.argv[1]
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41 sys.stdout.write('#define %s ' % MACRO)
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43 for url in sys.argv[2:]:
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44 # Download the certificate from the CA authority, in the DES format
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45 des = urllib2.urlopen(url).read()
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46
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47 # Convert DES to PEM
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48 p = subprocess.Popen([ 'openssl', 'x509', '-inform', 'DES', '-outform', 'PEM' ],
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49 stdin = subprocess.PIPE,
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50 stdout = subprocess.PIPE)
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51 pem = p.communicate(input = des)[0]
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52 pem = re.sub(r'\r', '', pem) # Remove any carriage return
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53 pem = re.sub(r'\\', r'\\\\', pem) # Escape any backslash
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54 pem = re.sub(r'"', r'\\"', pem) # Escape any quote
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56 # Write the PEM data into the macro
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57 for line in pem.split('\n'):
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58 sys.stdout.write(' \\\n')
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59 sys.stdout.write('"%s\\n" ' % line)
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61 sys.stdout.write('\n')
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62 sys.stderr.write('Done!\n')