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annotate Resources/RetrieveCACertificates.py @ 1534:95b3b0260240

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Options to validate peers against CA certificates in HTTPS requests
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 13 Aug 2015 12:42:32 +0200
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children b1291df2f780
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1534
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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) 2012-2015 Sebastien Jodogne, Medical Physics
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5 # Department, University Hospital of Liege, Belgium
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6 #
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7 # This program is free software: you can redistribute it and/or
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8 # modify it under the terms of the GNU General Public License as
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9 # published by the Free Software Foundation, either version 3 of the
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10 # License, or (at your option) any later version.
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11 #
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12 # In addition, as a special exception, the copyright holders of this
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13 # program give permission to link the code of its release with the
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14 # OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 # that use the same license as the "OpenSSL" library), and distribute
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16 # the linked executables. You must obey the GNU General Public License
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17 # in all respects for all of the code used other than "OpenSSL". If you
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18 # modify file(s) with this exception, you may extend this exception to
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19 # your version of the file(s), but you are not obligated to do so. If
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20 # you do not wish to do so, delete this exception statement from your
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21 # version. If you delete this exception statement from all source files
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22 # in the program, then also delete it here.
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23 #
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24 # This program is distributed in the hope that it will be useful, but
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25 # WITHOUT ANY WARRANTY; without even the implied warranty of
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26 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 # General Public License for more details.
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28 #
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29 # You should have received a copy of the GNU General Public License
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30 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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31
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32
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33 import re
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34 import sys
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35 import subprocess
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36 import urllib2
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37
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38
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39 if len(sys.argv) <= 2:
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40 print('Download a set of CA certificates, convert them to PEM, then format them as a C macro')
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41 print('Usage: %s [Macro] [Certificate1] <Certificate2>...' % sys.argv[0])
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42 print('')
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43 print('Example: %s BITBUCKET_CERTIFICATES https://www.digicert.com/CACerts/DigiCertHighAssuranceEVRootCA.crt' % sys.argv[0])
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44 print('')
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45 sys.exit(-1)
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46
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47 MACRO = sys.argv[1]
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48
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49 sys.stdout.write('#define %s ' % MACRO)
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50
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51 for url in sys.argv[2:]:
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52 # Download the certificate from the CA authority, in the DES format
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53 des = urllib2.urlopen(url).read()
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54
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55 # Convert DES to PEM
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56 p = subprocess.Popen([ 'openssl', 'x509', '-inform', 'DES', '-outform', 'PEM' ],
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57 stdin = subprocess.PIPE,
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58 stdout = subprocess.PIPE)
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59 pem = p.communicate(input = des)[0]
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60 pem = re.sub(r'\r', '', pem) # Remove any carriage return
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61 pem = re.sub(r'\\', r'\\\\', pem) # Escape any backslash
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62 pem = re.sub(r'"', r'\\"', pem) # Escape any quote
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63
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64 # Write the PEM data into the macro
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65 for line in pem.split('\n'):
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66 sys.stdout.write(' \\\n')
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67 sys.stdout.write('"%s\\n" ' % line)
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68
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69 sys.stdout.write('\n')
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70 sys.stderr.write('Done!\n')