applink.py for iOS8+ (beta)

applink.py

#!/usr/bin/env python

#applink.py for iOS8+ (beta)
#Erica Utilities package (plutil) is required.
#Note: linkname is app-identifier rather than app-name.
#Python: https://onedrive.live.com/?authkey=!APbsHsgWQMnaVVM&cid=AB142AFF051B6CD3&id=AB142AFF051B6CD3!16995&parId=AB142AFF051B6CD3!102&action=locate

import sys,os
linkdir='/var/mobile/applink'
tmpdir='/var/mobile/applink_tmp'

try:
	os.makedirs(linkdir)
except OSError:
	pass
try:
	os.makedirs(tmpdir)
except OSError:
	pass

for lnk in os.listdir(linkdir):
	os.unlink(linkdir+'/'+lnk)

appdirs=[
	#This Application/iTunesMetadata.plist looks unusable on iOS10.
	#['/var/containers/Bundle/Application','iTunesMetadata.plist','bundleDisplayName'],
	['/var/mobile/Containers/Data/Application','.com.apple.mobile_container_manager.metadata.plist','MCMMetadataIdentifier'],
	['/var/mobile/Containers/Shared/AppGroup','.com.apple.mobile_container_manager.metadata.plist','MCMMetadataIdentifier'],
]
for appdir in appdirs:
	for ident in os.listdir(appdir[0]):
		print(ident)
		try:
			with open(appdir[0]+'/'+ident+'/'+appdir[1],'rb') as fin:
				with open(tmpdir+'/'+ident+'.plist','wb') as fout:
					while 1:
						buf = fin.read(65536)
						if not buf: break
						fout.write(buf)
		except IOError:
			print('metadata not found; possibly impactor stuff.')
			continue
		os.system('plutil -convert xml1 '+tmpdir+'/'+ident+'.plist >/dev/null')
		with open(tmpdir+'/'+ident+'.plist') as fin:
			a=list(map(lambda e:e.strip(),fin))
			try:
				idx=a.index('<key>'+appdir[2]+'</key>')
				appname=a[idx+1][8:-9].replace('/','_')
				print(appname)
				os.symlink(appdir[0]+'/'+ident,linkdir+'/'+appname)
			except ValueError:
				print('cannot parse metadata.')
			except OSError:
				print('[developer fault] '+appname)
		os.unlink(tmpdir+'/'+ident+'.plist')
		#sys.exit(0)