Issue 4340 - Drop dependency on external xar tool

packagerSafari.py

 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
+import base64
 import ConfigParser
 import json
 import os
 import re
 from urlparse import urlparse
 
 from packager import readMetadata, getDefaultFileName, getBuildVersion, getTemplate, Files
 from packagerChrome import convertJS, importGeckoLocales, getIgnoredFiles, getPackageFiles, defaultLocale, createScriptPage
 
 
@@ skipping 87 matching lines @@
 def fixAbsoluteUrls(files):
     for filename, content in files.iteritems():
         if os.path.splitext(filename)[1].lower() == '.html':
             files[filename] = re.sub(
                 r'(<[^<>]*?\b(?:href|src)\s*=\s*["\']?)\/+',
                 r'\1' + '/'.join(['..'] * filename.count('/') + ['']),
                 content, re.S | re.I
             )
 
 
+def _get_sequence(data):
+    from Crypto.Util import asn1
+    sequence = asn1.DerSequence()
+    sequence.decode(data)
+    return sequence
+
+
 def get_developer_identifier(certs):
-    from Crypto.Util import asn1
-    def get_sequence(data):
-        sequence = asn1.DerSequence()
-        sequence.decode(data)
-        return sequence
-
     for cert in certs:
         # See https://tools.ietf.org/html/rfc5280#section-4
-        tbsCertificate = get_sequence(cert)[0]
-        subject = get_sequence(tbsCertificate)[5]
+        tbscertificate = _get_sequence(base64.b64decode(cert))[0]
+        subject = _get_sequence(tbscertificate)[5]
 
         # We could decode the subject but since we have to apply a regular
         # expression on CN entry anyway we can just skip that.
         m = re.search(r'Safari Developer: \((\S*?)\)', subject)
         if m:
             return m.group(1)
 
     raise Exception('No Safari developer certificate found in chain')
 
 
@@ skipping 30 matching lines @@
 
     if metadata.has_section('import_locales'):
         importGeckoLocales(params, files)
 
     if metadata.has_option('general', 'testScripts'):
         files['qunit/index.html'] = createScriptPage(params, 'testIndex.html.tmpl',
                                                      ('general', 'testScripts'))
 
     if keyFile:
         from buildtools import xarfile
-        certs = xarfile.read_certificates(keyFile)
+        certs, key = xarfile.read_certificates_and_key(keyFile)
         params['developerIdentifier'] = get_developer_identifier(certs)
 
     files['lib/info.js'] = createInfoModule(params)
     files['background.html'] = createScriptPage(params, 'background.html.tmpl',
                                                 ('general', 'backgroundScripts'))
     files['Info.plist'] = createManifest(params, files)
 
     fixAbsoluteUrls(files)
 
     dirname = metadata.get('general', 'basename') + '.safariextension'
     for filename in files.keys():
         files[os.path.join(dirname, filename)] = files.pop(filename)
 
     if not devenv and keyFile:
         from buildtools import xarfile
         xarfile.create(outFile, files, keyFile)
     else:
         files.zip(outFile)