| # Copyright 2016 The Chromium Authors. All rights reserved. | 
 | # Use of this source code is governed by a BSD-style license that can be | 
 | # found in the LICENSE file. | 
 |  | 
 | import argparse | 
 | import datetime | 
 | import fnmatch | 
 | import glob | 
 | import os | 
 | import plistlib | 
 | import shutil | 
 | import subprocess | 
 | import sys | 
 | import tempfile | 
 |  | 
 |  | 
 | def GetProvisioningProfilesDir(): | 
 |   """Returns the location of the installed mobile provisioning profiles. | 
 |  | 
 |   Returns: | 
 |     The path to the directory containing the installed mobile provisioning | 
 |     profiles as a string. | 
 |   """ | 
 |   return os.path.join( | 
 |       os.environ['HOME'], 'Library', 'MobileDevice', 'Provisioning Profiles') | 
 |  | 
 |  | 
 | def LoadPlistFile(plist_path): | 
 |   """Loads property list file at |plist_path|. | 
 |  | 
 |   Args: | 
 |     plist_path: path to the property list file to load. | 
 |  | 
 |   Returns: | 
 |     The content of the property list file as a python object. | 
 |   """ | 
 |   return plistlib.readPlistFromString(subprocess.check_output([ | 
 |       'xcrun', 'plutil', '-convert', 'xml1', '-o', '-', plist_path])) | 
 |  | 
 |  | 
 | class Bundle(object): | 
 |   """Wraps a bundle.""" | 
 |  | 
 |   def __init__(self, bundle_path): | 
 |     """Initializes the Bundle object with data from bundle Info.plist file.""" | 
 |     self._path = bundle_path | 
 |     self._data = LoadPlistFile(os.path.join(self._path, 'Info.plist')) | 
 |  | 
 |   @property | 
 |   def path(self): | 
 |     return self._path | 
 |  | 
 |   @property | 
 |   def identifier(self): | 
 |     return self._data['CFBundleIdentifier'] | 
 |  | 
 |   @property | 
 |   def binary_path(self): | 
 |     return os.path.join(self._path, self._data['CFBundleExecutable']) | 
 |  | 
 |   def Validate(self, expected_mappings): | 
 |     """Checks that keys in the bundle have the expected value. | 
 |  | 
 |     Args: | 
 |       expected_mappings: a dictionary of string to object, each mapping will | 
 |       be looked up in the bundle data to check it has the same value (missing | 
 |       values will be ignored) | 
 |  | 
 |     Returns: | 
 |       A dictionary of the key with a different value between expected_mappings | 
 |       and the content of the bundle (i.e. errors) so that caller can format the | 
 |       error message. The dictionary will be empty if there are no errors. | 
 |     """ | 
 |     errors = {} | 
 |     for key, expected_value in expected_mappings.iteritems(): | 
 |       if key in self._data: | 
 |         value = self._data[key] | 
 |         if value != expected_value: | 
 |           errors[key] = (value, expected_value) | 
 |     return errors | 
 |  | 
 |  | 
 | class ProvisioningProfile(object): | 
 |   """Wraps a mobile provisioning profile file.""" | 
 |  | 
 |   def __init__(self, provisioning_profile_path): | 
 |     """Initializes the ProvisioningProfile with data from profile file.""" | 
 |     self._path = provisioning_profile_path | 
 |     self._data = plistlib.readPlistFromString(subprocess.check_output([ | 
 |         'xcrun', 'security', 'cms', '-D', '-u', 'certUsageAnyCA', | 
 |         '-i', provisioning_profile_path])) | 
 |  | 
 |   @property | 
 |   def path(self): | 
 |     return self._path | 
 |  | 
 |   @property | 
 |   def application_identifier_pattern(self): | 
 |     return self._data.get('Entitlements', {}).get('application-identifier', '') | 
 |  | 
 |   @property | 
 |   def team_identifier(self): | 
 |     return self._data.get('TeamIdentifier', [''])[0] | 
 |  | 
 |   @property | 
 |   def entitlements(self): | 
 |     return self._data.get('Entitlements', {}) | 
 |  | 
 |   @property | 
 |   def expiration_date(self): | 
 |     return self._data.get('ExpirationDate', datetime.datetime.now()) | 
 |  | 
 |   def ValidToSignBundle(self, bundle_identifier): | 
 |     """Checks whether the provisioning profile can sign bundle_identifier. | 
 |  | 
 |     Args: | 
 |       bundle_identifier: the identifier of the bundle that needs to be signed. | 
 |  | 
 |     Returns: | 
 |       True if the mobile provisioning profile can be used to sign a bundle | 
 |       with the corresponding bundle_identifier, False otherwise. | 
 |     """ | 
 |     return fnmatch.fnmatch( | 
 |         '%s.%s' % (self.team_identifier, bundle_identifier), | 
 |         self.application_identifier_pattern) | 
 |  | 
 |   def Install(self, installation_path): | 
 |     """Copies mobile provisioning profile info to |installation_path|.""" | 
 |     shutil.copy2(self.path, installation_path) | 
 |  | 
 |  | 
 | class Entitlements(object): | 
 |   """Wraps an Entitlement plist file.""" | 
 |  | 
 |   def __init__(self, entitlements_path): | 
 |     """Initializes Entitlements object from entitlement file.""" | 
 |     self._path = entitlements_path | 
 |     self._data = LoadPlistFile(self._path) | 
 |  | 
 |   @property | 
 |   def path(self): | 
 |     return self._path | 
 |  | 
 |   def ExpandVariables(self, substitutions): | 
 |     self._data = self._ExpandVariables(self._data, substitutions) | 
 |  | 
 |   def _ExpandVariables(self, data, substitutions): | 
 |     if isinstance(data, str): | 
 |       for key, substitution in substitutions.iteritems(): | 
 |         data = data.replace('$(%s)' % (key,), substitution) | 
 |       return data | 
 |  | 
 |     if isinstance(data, dict): | 
 |       for key, value in data.iteritems(): | 
 |         data[key] = self._ExpandVariables(value, substitutions) | 
 |       return data | 
 |  | 
 |     if isinstance(data, list): | 
 |       for i, value in enumerate(data): | 
 |         data[i] = self._ExpandVariables(value, substitutions) | 
 |  | 
 |     return data | 
 |  | 
 |   def LoadDefaults(self, defaults): | 
 |     for key, value in defaults.iteritems(): | 
 |       if key not in self._data: | 
 |         self._data[key] = value | 
 |  | 
 |   def WriteTo(self, target_path): | 
 |     plistlib.writePlist(self._data, target_path) | 
 |  | 
 |  | 
 | def FindProvisioningProfile(bundle_identifier, required): | 
 |   """Finds mobile provisioning profile to use to sign bundle. | 
 |  | 
 |   Args: | 
 |     bundle_identifier: the identifier of the bundle to sign. | 
 |  | 
 |   Returns: | 
 |     The ProvisioningProfile object that can be used to sign the Bundle | 
 |     object or None if no matching provisioning profile was found. | 
 |   """ | 
 |   provisioning_profile_paths = glob.glob( | 
 |       os.path.join(GetProvisioningProfilesDir(), '*.mobileprovision')) | 
 |  | 
 |   # Iterate over all installed mobile provisioning profiles and filter those | 
 |   # that can be used to sign the bundle, ignoring expired ones. | 
 |   now = datetime.datetime.now() | 
 |   valid_provisioning_profiles = [] | 
 |   one_hour = datetime.timedelta(0, 3600) | 
 |   for provisioning_profile_path in provisioning_profile_paths: | 
 |     provisioning_profile = ProvisioningProfile(provisioning_profile_path) | 
 |     if provisioning_profile.expiration_date - now < one_hour: | 
 |       sys.stderr.write( | 
 |           'Warning: ignoring expired provisioning profile: %s.\n' % | 
 |           provisioning_profile_path) | 
 |       continue | 
 |     if provisioning_profile.ValidToSignBundle(bundle_identifier): | 
 |       valid_provisioning_profiles.append(provisioning_profile) | 
 |  | 
 |   if not valid_provisioning_profiles: | 
 |     if required: | 
 |       sys.stderr.write( | 
 |           'Error: no mobile provisioning profile found for "%s".\n' % | 
 |           bundle_identifier) | 
 |       sys.exit(1) | 
 |     return None | 
 |  | 
 |   # Select the most specific mobile provisioning profile, i.e. the one with | 
 |   # the longest application identifier pattern (prefer the one with the latest | 
 |   # expiration date as a secondary criteria). | 
 |   selected_provisioning_profile = max( | 
 |       valid_provisioning_profiles, | 
 |       key=lambda p: (len(p.application_identifier_pattern), p.expiration_date)) | 
 |  | 
 |   one_week = datetime.timedelta(7) | 
 |   if selected_provisioning_profile.expiration_date - now < 2 * one_week: | 
 |     sys.stderr.write( | 
 |         'Warning: selected provisioning profile will expire soon: %s' % | 
 |         selected_provisioning_profile.path) | 
 |   return selected_provisioning_profile | 
 |  | 
 |  | 
 | def CodeSignBundle(bundle_path, identity, extra_args): | 
 |   process = subprocess.Popen(['xcrun', 'codesign', '--force', '--sign', | 
 |       identity, '--timestamp=none'] + list(extra_args) + [bundle_path], | 
 |       stderr=subprocess.PIPE) | 
 |   _, stderr = process.communicate() | 
 |   if process.returncode: | 
 |     sys.stderr.write(stderr) | 
 |     sys.exit(process.returncode) | 
 |   for line in stderr.splitlines(): | 
 |     if line.endswith(': replacing existing signature'): | 
 |       # Ignore warning about replacing existing signature as this should only | 
 |       # happen when re-signing system frameworks (and then it is expected). | 
 |       continue | 
 |     sys.stderr.write(line) | 
 |     sys.stderr.write('\n') | 
 |  | 
 |  | 
 | def InstallSystemFramework(framework_path, bundle_path, args): | 
 |   """Install framework from |framework_path| to |bundle| and code-re-sign it.""" | 
 |   installed_framework_path = os.path.join( | 
 |       bundle_path, 'Frameworks', os.path.basename(framework_path)) | 
 |  | 
 |   if os.path.exists(installed_framework_path): | 
 |     shutil.rmtree(installed_framework_path) | 
 |  | 
 |   shutil.copytree(framework_path, installed_framework_path) | 
 |   CodeSignBundle(installed_framework_path, args.identity, | 
 |       ['--deep', '--preserve-metadata=identifier,entitlements']) | 
 |  | 
 |  | 
 | def GenerateEntitlements(path, provisioning_profile, bundle_identifier): | 
 |   """Generates an entitlements file. | 
 |  | 
 |   Args: | 
 |     path: path to the entitlements template file | 
 |     provisioning_profile: ProvisioningProfile object to use, may be None | 
 |     bundle_identifier: identifier of the bundle to sign. | 
 |   """ | 
 |   entitlements = Entitlements(path) | 
 |   if provisioning_profile: | 
 |     entitlements.LoadDefaults(provisioning_profile.entitlements) | 
 |     app_identifier_prefix = provisioning_profile.team_identifier + '.' | 
 |   else: | 
 |     app_identifier_prefix = '*.' | 
 |   entitlements.ExpandVariables({ | 
 |       'CFBundleIdentifier': bundle_identifier, | 
 |       'AppIdentifierPrefix': app_identifier_prefix, | 
 |   }) | 
 |   return entitlements | 
 |  | 
 |  | 
 | def GenerateBundleInfoPlist(bundle_path, plist_compiler, partial_plist): | 
 |   """Generates the bundle Info.plist for a list of partial .plist files. | 
 |  | 
 |   Args: | 
 |     bundle_path: path to the bundle | 
 |     plist_compiler: string, path to the Info.plist compiler | 
 |     partial_plist: list of path to partial .plist files to merge | 
 |   """ | 
 |  | 
 |   # Filter empty partial .plist files (this happens if an application | 
 |   # does not include need to compile any asset catalog, in which case | 
 |   # the partial .plist file from the asset catalog compilation step is | 
 |   # just a stamp file). | 
 |   filtered_partial_plist = [] | 
 |   for plist in partial_plist: | 
 |     plist_size = os.stat(plist).st_size | 
 |     if plist_size: | 
 |       filtered_partial_plist.append(plist) | 
 |  | 
 |   # Invoke the plist_compiler script. It needs to be a python script. | 
 |   subprocess.check_call([ | 
 |       'python', plist_compiler, 'merge', '-f', 'binary1', | 
 |       '-o', os.path.join(bundle_path, 'Info.plist'), | 
 |   ] + filtered_partial_plist) | 
 |  | 
 |  | 
 | class Action(object): | 
 |   """Class implementing one action supported by the script.""" | 
 |  | 
 |   @classmethod | 
 |   def Register(cls, subparsers): | 
 |     parser = subparsers.add_parser(cls.name, help=cls.help) | 
 |     parser.set_defaults(func=cls._Execute) | 
 |     cls._Register(parser) | 
 |  | 
 |  | 
 | class CodeSignBundleAction(Action): | 
 |   """Class implementing the code-sign-bundle action.""" | 
 |  | 
 |   name = 'code-sign-bundle' | 
 |   help = 'perform code signature for a bundle' | 
 |  | 
 |   @staticmethod | 
 |   def _Register(parser): | 
 |     parser.add_argument( | 
 |         '--entitlements', '-e', dest='entitlements_path', | 
 |         help='path to the entitlements file to use') | 
 |     parser.add_argument( | 
 |         'path', help='path to the iOS bundle to codesign') | 
 |     parser.add_argument( | 
 |         '--identity', '-i', required=True, | 
 |         help='identity to use to codesign') | 
 |     parser.add_argument( | 
 |         '--binary', '-b', required=True, | 
 |         help='path to the iOS bundle binary') | 
 |     parser.add_argument( | 
 |         '--framework', '-F', action='append', default=[], dest='frameworks', | 
 |         help='install and resign system framework') | 
 |     parser.add_argument( | 
 |         '--disable-code-signature', action='store_true', dest='no_signature', | 
 |         help='disable code signature') | 
 |     parser.add_argument( | 
 |         '--disable-embedded-mobileprovision', action='store_false', | 
 |         default=True, dest='embedded_mobileprovision', | 
 |         help='disable finding and embedding mobileprovision') | 
 |     parser.add_argument( | 
 |         '--platform', '-t', required=True, | 
 |         help='platform the signed bundle is targeting') | 
 |     parser.add_argument( | 
 |         '--partial-info-plist', '-p', action='append', default=[], | 
 |         help='path to partial Info.plist to merge to create bundle Info.plist') | 
 |     parser.add_argument( | 
 |         '--plist-compiler-path', '-P', action='store', | 
 |         help='path to the plist compiler script (for --partial-info-plist)') | 
 |     parser.set_defaults(no_signature=False) | 
 |  | 
 |   @staticmethod | 
 |   def _Execute(args): | 
 |     if not args.identity: | 
 |       args.identity = '-' | 
 |  | 
 |     if args.partial_info_plist: | 
 |       GenerateBundleInfoPlist( | 
 |           args.path, | 
 |           args.plist_compiler_path, | 
 |           args.partial_info_plist) | 
 |  | 
 |     bundle = Bundle(args.path) | 
 |  | 
 |     # According to Apple documentation, the application binary must be the same | 
 |     # as the bundle name without the .app suffix. See crbug.com/740476 for more | 
 |     # information on what problem this can cause. | 
 |     # | 
 |     # To prevent this class of error, fail with an error if the binary name is | 
 |     # incorrect in the Info.plist as it is not possible to update the value in | 
 |     # Info.plist at this point (the file has been copied by a different target | 
 |     # and ninja would consider the build dirty if it was updated). | 
 |     # | 
 |     # Also checks that the name of the bundle is correct too (does not cause the | 
 |     # build to be considered dirty, but still terminate the script in case of an | 
 |     # incorrect bundle name). | 
 |     # | 
 |     # Apple documentation is available at: | 
 |     # https://developer.apple.com/library/content/documentation/CoreFoundation/Conceptual/CFBundles/BundleTypes/BundleTypes.html | 
 |     bundle_name = os.path.splitext(os.path.basename(bundle.path))[0] | 
 |     errors = bundle.Validate({ | 
 |         'CFBundleName': bundle_name, | 
 |         'CFBundleExecutable': bundle_name, | 
 |     }) | 
 |     if errors: | 
 |       for key in sorted(errors): | 
 |         value, expected_value = errors[key] | 
 |         sys.stderr.write('%s: error: %s value incorrect: %s != %s\n' % ( | 
 |             bundle.path, key, value, expected_value)) | 
 |       sys.stderr.flush() | 
 |       sys.exit(1) | 
 |  | 
 |     # Delete existing embedded mobile provisioning. | 
 |     embedded_provisioning_profile = os.path.join( | 
 |         bundle.path, 'embedded.mobileprovision') | 
 |     if os.path.isfile(embedded_provisioning_profile): | 
 |       os.unlink(embedded_provisioning_profile) | 
 |  | 
 |     # Delete existing code signature. | 
 |     signature_file = os.path.join(args.path, '_CodeSignature', 'CodeResources') | 
 |     if os.path.isfile(signature_file): | 
 |       shutil.rmtree(os.path.dirname(signature_file)) | 
 |  | 
 |     # Install system frameworks if requested. | 
 |     for framework_path in args.frameworks: | 
 |       InstallSystemFramework(framework_path, args.path, args) | 
 |  | 
 |     # Copy main binary into bundle. | 
 |     if os.path.isfile(bundle.binary_path): | 
 |       os.unlink(bundle.binary_path) | 
 |     shutil.copy(args.binary, bundle.binary_path) | 
 |  | 
 |     if args.no_signature: | 
 |       return | 
 |  | 
 |     codesign_extra_args = [] | 
 |  | 
 |     if args.embedded_mobileprovision: | 
 |       # Find mobile provisioning profile and embeds it into the bundle (if a | 
 |       # code signing identify has been provided, fails if no valid mobile | 
 |       # provisioning is found). | 
 |       provisioning_profile_required = args.identity != '-' | 
 |       provisioning_profile = FindProvisioningProfile( | 
 |           bundle.identifier, provisioning_profile_required) | 
 |       if provisioning_profile and args.platform != 'iphonesimulator': | 
 |         provisioning_profile.Install(embedded_provisioning_profile) | 
 |  | 
 |         if args.entitlements_path is not None: | 
 |           temporary_entitlements_file = \ | 
 |               tempfile.NamedTemporaryFile(suffix='.xcent') | 
 |           codesign_extra_args.extend( | 
 |               ['--entitlements', temporary_entitlements_file.name]) | 
 |  | 
 |           entitlements = GenerateEntitlements( | 
 |               args.entitlements_path, provisioning_profile, bundle.identifier) | 
 |           entitlements.WriteTo(temporary_entitlements_file.name) | 
 |  | 
 |     CodeSignBundle(bundle.path, args.identity, codesign_extra_args) | 
 |  | 
 |  | 
 | class CodeSignFileAction(Action): | 
 |   """Class implementing code signature for a single file.""" | 
 |  | 
 |   name = 'code-sign-file' | 
 |   help = 'code-sign a single file' | 
 |  | 
 |   @staticmethod | 
 |   def _Register(parser): | 
 |     parser.add_argument( | 
 |         'path', help='path to the file to codesign') | 
 |     parser.add_argument( | 
 |         '--identity', '-i', required=True, | 
 |         help='identity to use to codesign') | 
 |     parser.add_argument( | 
 |         '--output', '-o', | 
 |         help='if specified copy the file to that location before signing it') | 
 |     parser.set_defaults(sign=True) | 
 |  | 
 |   @staticmethod | 
 |   def _Execute(args): | 
 |     if not args.identity: | 
 |       args.identity = '-' | 
 |  | 
 |     install_path = args.path | 
 |     if args.output: | 
 |  | 
 |       if os.path.isfile(args.output): | 
 |         os.unlink(args.output) | 
 |       elif os.path.isdir(args.output): | 
 |         shutil.rmtree(args.output) | 
 |  | 
 |       if os.path.isfile(args.path): | 
 |         shutil.copy(args.path, args.output) | 
 |       elif os.path.isdir(args.path): | 
 |         shutil.copytree(args.path, args.output) | 
 |  | 
 |       install_path = args.output | 
 |  | 
 |     CodeSignBundle(install_path, args.identity, | 
 |       ['--deep', '--preserve-metadata=identifier,entitlements']) | 
 |  | 
 |  | 
 | class GenerateEntitlementsAction(Action): | 
 |   """Class implementing the generate-entitlements action.""" | 
 |  | 
 |   name = 'generate-entitlements' | 
 |   help = 'generate entitlements file' | 
 |  | 
 |   @staticmethod | 
 |   def _Register(parser): | 
 |     parser.add_argument( | 
 |         '--entitlements', '-e', dest='entitlements_path', | 
 |         help='path to the entitlements file to use') | 
 |     parser.add_argument( | 
 |         'path', help='path to the entitlements file to generate') | 
 |     parser.add_argument( | 
 |         '--info-plist', '-p', required=True, | 
 |         help='path to the bundle Info.plist') | 
 |  | 
 |   @staticmethod | 
 |   def _Execute(args): | 
 |     info_plist = LoadPlistFile(args.info_plist) | 
 |     bundle_identifier = info_plist['CFBundleIdentifier'] | 
 |     provisioning_profile = FindProvisioningProfile(bundle_identifier, False) | 
 |     entitlements = GenerateEntitlements( | 
 |         args.entitlements_path, provisioning_profile, bundle_identifier) | 
 |     entitlements.WriteTo(args.path) | 
 |  | 
 |  | 
 | def Main(): | 
 |   parser = argparse.ArgumentParser('codesign iOS bundles') | 
 |   parser.add_argument('--developer_dir', required=False, | 
 |                       help='Path to Xcode.') | 
 |   subparsers = parser.add_subparsers() | 
 |  | 
 |   actions = [ | 
 |       CodeSignBundleAction, | 
 |       CodeSignFileAction, | 
 |       GenerateEntitlementsAction, | 
 |   ] | 
 |  | 
 |   for action in actions: | 
 |     action.Register(subparsers) | 
 |  | 
 |   args = parser.parse_args() | 
 |   if args.developer_dir: | 
 |     os.environ['DEVELOPER_DIR'] = args.developer_dir | 
 |   args.func(args) | 
 |  | 
 |  | 
 | if __name__ == '__main__': | 
 |   sys.exit(Main()) |