448 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			448 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
| #!/usr/bin/env python3
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| # encoding: utf-8
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| #
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| # https://github.com/munki/macadmin-scripts/blob/master/installinstallmacos.py
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| #
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| # Copyright 2017 Greg Neagle.
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| #
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| # Licensed under the Apache License, Version 2.0 (the "License");
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| # you may not use this file except in compliance with the License.
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| # You may obtain a copy of the License at
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| #
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| #      http://www.apache.org/licenses/LICENSE-2.0
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| #
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| # Unless required by applicable law or agreed to in writing, software
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| # distributed under the License is distributed on an "AS IS" BASIS,
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| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| # See the License for the specific language governing permissions and
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| # limitations under the License.
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| #
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| # Thanks to Tim Sutton for ideas, suggestions, and sample code.
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| #
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| # Updated in May of 2019 by Dhiru Kholia.
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| 
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| '''installinstallmacos.py
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| A tool to download the parts for an Install macOS app from Apple's
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| softwareupdate servers and install a functioning Install macOS app onto an
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| empty disk image'''
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| 
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| # https://github.com/foxlet/macOS-Simple-KVM/blob/master/tools/FetchMacOS/fetch-macos.py
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| # is pretty similar.
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| 
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| 
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| # Bad hack
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| import warnings
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| 
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| warnings.filterwarnings("ignore", category=DeprecationWarning)
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| 
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| import os
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| import gzip
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| import argparse
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| import plistlib
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| import subprocess
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| 
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| from xml.dom import minidom
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| from xml.parsers.expat import ExpatError
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| 
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| 
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| import sys
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| 
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| if sys.version_info[0] < 3:
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|     import urlparse as urlstuff
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| else:
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|     import urllib.parse as urlstuff
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| # Quick fix for python 3.9 and above
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| if sys.version_info[0] == 3 and sys.version_info[1] >= 9:
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|     from types import MethodType
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| 
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|     def readPlist(self,filepath):
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|         with open(filepath, 'rb') as f:
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|             p = plistlib._PlistParser(dict)
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|             rootObject = p.parse(f)
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|         return rootObject
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|     # adding the method readPlist() to plistlib
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|     plistlib.readPlist = MethodType(readPlist, plistlib)
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| 
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| # https://github.com/foxlet/macOS-Simple-KVM/blob/master/tools/FetchMacOS/fetch-macos.py (unused)
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| # https://github.com/munki/macadmin-scripts
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| catalogs = {
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|     "CustomerSeed": "https://swscan.apple.com/content/catalogs/others/index-10.16customerseed-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog",
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|     "DeveloperSeed": "https://swscan.apple.com/content/catalogs/others/index-10.16seed-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog",
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|     "PublicSeed": "https://swscan.apple.com/content/catalogs/others/index-10.16beta-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog",
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|     "PublicRelease": "https://swscan.apple.com/content/catalogs/others/index-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog",
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|     "20": "https://swscan.apple.com/content/catalogs/others/index-11-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog"
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| }
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| 
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| 
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| def get_default_catalog():
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|     '''Returns the default softwareupdate catalog for the current OS'''
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|     return catalogs["20"]
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|     # return catalogs["PublicRelease"]
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|     # return catalogs["DeveloperSeed"]
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| 
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| 
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| class ReplicationError(Exception):
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|     '''A custom error when replication fails'''
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|     pass
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| 
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| 
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| def cmd_exists(cmd):
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|     return subprocess.Popen("type " + cmd, shell=True,
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|                            stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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| 
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| 
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| def replicate_url(full_url,
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|                   root_dir='/tmp',
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|                   show_progress=False,
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|                   ignore_cache=False,
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|                   attempt_resume=False, installer=False, product_title=""):
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|     '''Downloads a URL and stores it in the same relative path on our
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|     filesystem. Returns a path to the replicated file.'''
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| 
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|     # hack
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|     print("[+] Fetching %s" % full_url)
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|     if installer and "BaseSystem.dmg" not in full_url and "Big Sur" not in product_title:
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|         return
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|     if "Big Sur" in product_title and "InstallAssistant.pkg" not in full_url:
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|         return
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|     attempt_resume = True
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|     # path = urllib.parse.urlsplit(full_url)[2]
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|     path = urlstuff.urlsplit(full_url)[2]
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|     relative_url = path.lstrip('/')
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|     relative_url = os.path.normpath(relative_url)
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|     # local_file_path = os.path.join(root_dir, relative_url)
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|     local_file_path = relative_url
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|     # print("Downloading %s..." % full_url)
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| 
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|     if cmd_exists('wget'):
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|         if not installer:
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|             download_cmd = ['wget', "-c", "--quiet", "-x", "-nH", full_url]
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|             # this doesn't work as there are multiple metadata files with the same name!
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|             # download_cmd = ['wget', "-c", "--quiet", full_url]
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|         else:
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|             download_cmd = ['wget', "-c", full_url]
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|     else:
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|         if not installer:
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|             download_cmd = ['curl', "--silent", "--show-error", "-o", local_file_path, "--create-dirs", full_url]
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|         else:
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|             local_file_path = os.path.basename(local_file_path)
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|             download_cmd = ['curl', "-o", local_file_path, full_url]
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| 
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|     try:
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|         subprocess.check_call(download_cmd)
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|     except subprocess.CalledProcessError as err:
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|         raise ReplicationError(err)
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|     return local_file_path
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| 
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| 
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| def parse_server_metadata(filename):
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|     '''Parses a softwareupdate server metadata file, looking for information
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|     of interest.
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|     Returns a dictionary containing title, version, and description.'''
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|     title = ''
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|     vers = ''
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|     try:
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|         md_plist = plistlib.readPlist(filename)
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|     except (OSError, IOError, ExpatError) as err:
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|         print('Error reading %s: %s' % (filename, err), file=sys.stderr)
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|         return {}
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|     vers = md_plist.get('CFBundleShortVersionString', '')
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|     localization = md_plist.get('localization', {})
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|     preferred_localization = (localization.get('English') or
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|                               localization.get('en'))
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|     if preferred_localization:
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|         title = preferred_localization.get('title', '')
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| 
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|     metadata = {}
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|     metadata['title'] = title
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|     metadata['version'] = vers
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| 
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|     """
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|     {'title': 'macOS Mojave', 'version': '10.14.5'}
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|     {'title': 'macOS Mojave', 'version': '10.14.6'}
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|     """
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|     return metadata
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| 
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| 
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| def get_server_metadata(catalog, product_key, workdir, ignore_cache=False):
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|     '''Replicate ServerMetaData'''
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|     try:
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|         url = catalog['Products'][product_key]['ServerMetadataURL']
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|         try:
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|             smd_path = replicate_url(
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|                 url, root_dir=workdir, ignore_cache=ignore_cache)
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|             return smd_path
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|         except ReplicationError as err:
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|             print('Could not replicate %s: %s' % (url, err), file=sys.stderr)
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|             return None
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|     except KeyError:
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|         # print('Malformed catalog.', file=sys.stderr)
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|         return None
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| 
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| 
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| def parse_dist(filename):
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|     '''Parses a softwareupdate dist file, returning a dict of info of
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|     interest'''
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|     dist_info = {}
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|     try:
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|         dom = minidom.parse(filename)
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|     except ExpatError:
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|         print('Invalid XML in %s' % filename, file=sys.stderr)
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|         return dist_info
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|     except IOError as err:
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|         print('Error reading %s: %s' % (filename, err), file=sys.stderr)
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|         return dist_info
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| 
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|     titles = dom.getElementsByTagName('title')
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|     if titles:
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|         dist_info['title_from_dist'] = titles[0].firstChild.wholeText
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| 
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|     auxinfos = dom.getElementsByTagName('auxinfo')
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|     if not auxinfos:
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|         return dist_info
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|     auxinfo = auxinfos[0]
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|     key = None
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|     value = None
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|     children = auxinfo.childNodes
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|     # handle the possibility that keys from auxinfo may be nested
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|     # within a 'dict' element
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|     dict_nodes = [n for n in auxinfo.childNodes
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|                   if n.nodeType == n.ELEMENT_NODE and
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|                   n.tagName == 'dict']
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|     if dict_nodes:
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|         children = dict_nodes[0].childNodes
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|     for node in children:
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|         if node.nodeType == node.ELEMENT_NODE and node.tagName == 'key':
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|             key = node.firstChild.wholeText
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|         if node.nodeType == node.ELEMENT_NODE and node.tagName == 'string':
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|             value = node.firstChild.wholeText
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|         if key and value:
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|             dist_info[key] = value
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|             key = None
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|             value = None
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|     return dist_info
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| 
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| 
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| def download_and_parse_sucatalog(sucatalog, workdir, ignore_cache=False):
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|     '''Downloads and returns a parsed softwareupdate catalog'''
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|     try:
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|         localcatalogpath = replicate_url(
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|             sucatalog, root_dir=workdir, ignore_cache=ignore_cache)
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|     except ReplicationError as err:
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|         print('Could not replicate %s: %s' % (sucatalog, err), file=sys.stderr)
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|         exit(-1)
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|     if os.path.splitext(localcatalogpath)[1] == '.gz':
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|         with gzip.open(localcatalogpath) as the_file:
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|             content = the_file.read()
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|             try:
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|                 catalog = plistlib.readPlistFromString(content)
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|                 return catalog
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|             except ExpatError as err:
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|                 print('Error reading %s: %s' % (localcatalogpath, err), file=sys.stderr)
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|                 exit(-1)
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|     else:
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|         try:
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|             catalog = plistlib.readPlist(localcatalogpath)
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|             return catalog
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|         except (OSError, IOError, ExpatError) as err:
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|             print('Error reading %s: %s' % (localcatalogpath, err), file=sys.stderr)
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|             exit(-1)
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| 
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| 
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| def find_mac_os_installers(catalog):
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|     '''Return a list of product identifiers for what appear to be macOS
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|     installers'''
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|     mac_os_installer_products = []
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|     if 'Products' in catalog:
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|         for product_key in catalog['Products'].keys():
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|             product = catalog['Products'][product_key]
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|             try:
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|                 if product['ExtendedMetaInfo'][
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|                         'InstallAssistantPackageIdentifiers']:
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|                     mac_os_installer_products.append(product_key)
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|             except KeyError:
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|                 continue
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| 
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|     return mac_os_installer_products
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| 
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| 
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| def os_installer_product_info(catalog, workdir, ignore_cache=False):
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|     '''Returns a dict of info about products that look like macOS installers'''
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|     product_info = {}
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|     installer_products = find_mac_os_installers(catalog)
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|     for product_key in installer_products:
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|         product_info[product_key] = {}
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|         filename = get_server_metadata(catalog, product_key, workdir)
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|         if filename:
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|             product_info[product_key] = parse_server_metadata(filename)
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|         else:
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|             # print('No server metadata for %s' % product_key)
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|             product_info[product_key]['title'] = None
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|             product_info[product_key]['version'] = None
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| 
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|         product = catalog['Products'][product_key]
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|         product_info[product_key]['PostDate'] = product['PostDate']
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|         distributions = product['Distributions']
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|         dist_url = distributions.get('English') or distributions.get('en')
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|         try:
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|             dist_path = replicate_url(
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|                 dist_url, root_dir=workdir, ignore_cache=ignore_cache)
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|         except ReplicationError as err:
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|             print('Could not replicate %s: %s' % (dist_url, err),
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|                   file=sys.stderr)
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|         else:
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|             dist_info = parse_dist(dist_path)
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|             product_info[product_key]['DistributionPath'] = dist_path
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|             product_info[product_key].update(dist_info)
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|             if not product_info[product_key]['title']:
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|                 product_info[product_key]['title'] = dist_info.get('title_from_dist')
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|             if not product_info[product_key]['version']:
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|                 product_info[product_key]['version'] = dist_info.get('VERSION')
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| 
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|     return product_info
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| 
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| 
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| def replicate_product(catalog, product_id, workdir, ignore_cache=False, product_title=""):
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|     '''Downloads all the packages for a product'''
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|     product = catalog['Products'][product_id]
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|     for package in product.get('Packages', []):
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|         # TO-DO: Check 'Size' attribute and make sure
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|         # we have enough space on the target
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|         # filesystem before attempting to download
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|         if 'URL' in package:
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|             try:
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|                 replicate_url(
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|                     package['URL'], root_dir=workdir,
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|                     show_progress=True, ignore_cache=ignore_cache,
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|                     attempt_resume=(not ignore_cache), installer=True, product_title=product_title)
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|             except ReplicationError as err:
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|                 print('Could not replicate %s: %s' % (package['URL'], err), file=sys.stderr)
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|                 exit(-1)
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|         if 'MetadataURL' in package:
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|             try:
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|                 replicate_url(package['MetadataURL'], root_dir=workdir,
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|                               ignore_cache=ignore_cache, installer=True)
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|             except ReplicationError as err:
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|                 print('Could not replicate %s: %s' % (package['MetadataURL'], err), file=sys.stderr)
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|                 exit(-1)
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| 
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| 
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| def find_installer_app(mountpoint):
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|     '''Returns the path to the Install macOS app on the mountpoint'''
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|     applications_dir = os.path.join(mountpoint, 'Applications')
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|     for item in os.listdir(applications_dir):
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|         if item.endswith('.app'):
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|             return os.path.join(applications_dir, item)
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|     return None
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| 
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| 
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| def determine_version(version, product_info):
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|     if version:
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|         if version == 'latest':
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|             from distutils.version import StrictVersion
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|             latest_version = StrictVersion('0.0.0')
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|             for index, product_id in enumerate(product_info):
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|                 d = product_info[product_id]['version']
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|                 if d > latest_version:
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|                     latest_version = d
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| 
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|             if latest_version == StrictVersion("0.0.0"):
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|                 print("Could not find latest version {}")
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|                 exit(1)
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| 
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|             version = str(latest_version)
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| 
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|         for index, product_id in enumerate(product_info):
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|             v = product_info[product_id]['version']
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|             if v == version:
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|                 return product_id, product_info[product_id]['title']
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| 
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|         print("Could not find version {}. Versions available are:".format(version))
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|         for _, pid in enumerate(product_info):
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|             print("- {}".format(product_info[pid]['version']))
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| 
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|         exit(1)
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| 
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|     # display a menu of choices (some seed catalogs have multiple installers)
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|     print('%2s %12s %10s %11s  %s' % ('#', 'ProductID', 'Version',
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|                                            'Post Date', 'Title'))
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|     for index, product_id in enumerate(product_info):
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|         print('%2s %12s %10s %11s  %s' % (
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|             index + 1,
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|             product_id,
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|             product_info[product_id]['version'],
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|             product_info[product_id]['PostDate'].strftime('%Y-%m-%d'),
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|             product_info[product_id]['title']
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|         ))
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| 
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|     answer = input(
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|         '\nChoose a product to download (1-%s): ' % len(product_info))
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|     try:
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|         index = int(answer) - 1
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|         if index < 0:
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|             raise ValueError
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|         product_id = list(product_info.keys())[index]
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|         return product_id, product_info[product_id]['title']
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|     except (ValueError, IndexError):
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|         pass
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| 
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|     print('Invalid input provided.')
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|     exit(0)
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| 
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| 
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| def main():
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|     '''Do the main thing here'''
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|     """
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|     if os.getuid() != 0:
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|         sys.exit('This command requires root (to install packages), so please '
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|                  'run again with sudo or as root.')
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|     """
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|     parser = argparse.ArgumentParser()
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|     parser.add_argument('--workdir', metavar='path_to_working_dir',
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|                         default='.',
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|                         help='Path to working directory on a volume with over '
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|                              '10G of available space. Defaults to current working '
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|                              'directory.')
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|     parser.add_argument('--version', metavar='version',
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|                         default=None,
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|                         help='The version to download in the format of '
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|                              '"$major.$minor.$patch", e.g. "10.15.4". Can '
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|                              'be "latest" to download the latest version.')
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|     parser.add_argument('--compress', action='store_true',
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|                         help='Output a read-only compressed disk image with '
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|                              'the Install macOS app at the root. This is now the '
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|                              'default. Use --raw to get a read-write sparse image '
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|                              'with the app in the Applications directory.')
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|     parser.add_argument('--raw', action='store_true',
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|                         help='Output a read-write sparse image '
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|                              'with the app in the Applications directory. Requires '
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|                              'less available disk space and is faster.')
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|     parser.add_argument('--ignore-cache', action='store_true',
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|                         help='Ignore any previously cached files.')
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|     args = parser.parse_args()
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| 
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|     su_catalog_url = get_default_catalog()
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|     if not su_catalog_url:
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|         print('Could not find a default catalog url for this OS version.', file=sys.stderr)
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|         exit(-1)
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| 
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|     # download sucatalog and look for products that are for macOS installers
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|     catalog = download_and_parse_sucatalog(
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|         su_catalog_url, args.workdir, ignore_cache=args.ignore_cache)
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|     product_info = os_installer_product_info(
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|         catalog, args.workdir, ignore_cache=args.ignore_cache)
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| 
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|     if not product_info:
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|         print('No macOS installer products found in the sucatalog.', file=sys.stderr)
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|         exit(-1)
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| 
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|     product_id, product_title = determine_version(args.version, product_info)
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|     print(product_id, product_title)
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| 
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|     # download all the packages for the selected product
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|     replicate_product(catalog, product_id, args.workdir, ignore_cache=args.ignore_cache, product_title=product_title)
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| 
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| 
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| if __name__ == '__main__':
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|     main()
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