"""

Copyright (c) 2006, Jari Sukanen

All rights reserved.

Redistribution and use in source and binary forms, with or 

without modification, are permitted provided that the following 

conditions are met:

	* Redistributions of source code must retain the above copyright 

	  notice, this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above copyright 

	  notice, this list of conditions and the following disclaimer in 

	  the documentation and/or other materials provided with the 

	  distribution.

    * Names of the contributors may not be used to endorse or promote 

	  products derived from this software without specific prior written 

	  permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 

"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 

TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 

PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 

BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 

CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 

SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 

INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 

CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 

ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 

THE POSSIBILITY OF SUCH DAMAGE.

"""

from sis import sisinfo, sisfields

import optparse

import sys, os

APP_PATH = "epoc32" + os.sep + "apps"

IBY_PATH = "epoc32" + os.sep + "rom" + os.sep + "include"

CRLF = '\r\n'

try:

	os.uname()

	ZIP_CMD = 'zip -r '

except: # no uname on windows

	ZIP_CMD = '7z a '

PyASN1Availabe = True

try :

    from pyasn1.codec.der import decoder

    from pyasn1.type import univ, base

except :

    PyASN1Availabe = False

def _findItem(item, itemParent, index, objectIdentifier) :

	if isinstance(item, base.AbstractSimpleAsn1Item) :

		if item == objectIdentifier :

			return itemParent[index+1]

	else :

		for i in range(len(item)) :

			found = _findItem(item[i], item, i, objectIdentifier)

			if found : 

				return found

def findItem(decodedCert, objectIdentifier) :

	return _findItem(decodedCert, None, 0, objectIdentifier)

class CertificateOrganization :

	def __init__(self) :

		pass

	def parse(self, decodedCert) :

		self.commonName = findItem(decodedCert, (2,5,4,3))

		self.countryCode = findItem(decodedCert, (2,5,4,6))

		self.locality = findItem(decodedCert, (2,5,4,7))

		self.state = findItem(decodedCert, (2,5,4,8))

		self.street = findItem(decodedCert, (2,5,4,9))

		self.organization = findItem(decodedCert, (2,5,4,10))

	def readableStr(self) :

		buf = ""

		if self.commonName :

			buf += self.commonName.prettyPrint() + "\n"

		if self.countryCode :

			buf += self.countryCode.prettyPrint() + "\n"

		if self.locality :

			buf += self.locality.prettyPrint() + "\n"

		if self.state :

			buf += self.state.prettyPrint() + "\n"

		if self.street :

			buf += self.street.prettyPrint() + "\n"

		if self.organization :

			buf += self.organization.prettyPrint()

		return buf

class CertificateInfo :

	def __init__(self) :

		pass

	def parse(self, decodedCert) :

		self.issuer = CertificateOrganization()

		self.issuer.parse(decodedCert[0][3])

		self.signer = CertificateOrganization()

		self.signer.parse(decodedCert[0][5])

	def readableStr(self) :

		buf = "Signer:\n      " + "\n      ".join(self.signer.readableStr().split('\n')) + "\n"

		buf += "Issuer:\n      " + "\n      ".join(self.issuer.readableStr().split('\n')) + "\n"

		return buf

class Handler :

    def __init__(self) :

		self.files = []

		self.fileDatas = []

		self.signatureCertificateChains = []

    def handleField(self, field, depth) :

		if field.type == sisfields.FileDescriptionField :

			self.files.append(field)

		elif field.type == sisfields.FileDataField :

			self.fileDatas.append(field)

		elif field.type == sisfields.SignatureCertificateChainField  :

			self.signatureCertificateChains.append(field)

    def print_iby_for_file(self, iby, extracted_file, install_path):

    	#binarypath="file=ABI_DIR\\BUILD_DIR\\"

    	#datapath="data=DATAZ_\\RESOURCE_FILES_DIR\\"

    	binarypath="file=\\"

    	datapath="data=\\"

    	#privatepath="data=\\epoc32\\data\\z\\"

    	install_path=install_path.replace('c:', 'z:')

    	#basename = filepath[filepath.rfind('\\')+1:]

    	if extracted_file.endswith('exe') or extracted_file.endswith('dll'):

    		iby.write( binarypath + extracted_file + '\t\t' + install_path + CRLF)

    	else:

    		iby.write( datapath + extracted_file + '\t\t' + install_path + CRLF)

    def execute(self,outputname, iby) :

        for f in self.files :

			buf = f.findField(sisfields.StringField)[0].readableStr()

#			caps = f.findField(sisfields.CapabilitiesField)[0]

#			if caps :

#				buf += " [" + " ".join(f.findField(sisfields.CapabilitiesField)[0].readableCaps) + "]"

			install_path=buf

			parts = f.findField(sisfields.StringField)[0].readableStr().split("\\")

			#for part in parts:

			#	print part

			if len(parts[len(parts) - 1]) > 0 :

				path = os.getcwd() + os.sep + APP_PATH

				path += os.sep + os.sep.join(parts[1:-1])

				rel_file = APP_PATH + os.sep + outputname + os.sep + os.sep.join(parts[1:])

				rel_file = rel_file.replace('/','\\')

				if not os.path.exists(path) :

					os.makedirs(path)

				extracted_file = path + os.sep + parts[len(parts) - 1]

				newFile = file(extracted_file, "wb")

				newFile.write(self.fileDatas[f.fileIndex].findField(sisfields.CompressedField)[0].data)

				newFile.close()

				self.print_iby_for_file(iby,rel_file, install_path)

class ContentPrinter :

	def __init__(self) :

		pass

	def handleField(self, field, depth) :

		buf = ""

		for i in range(depth) :

			buf += "  "

		buf += sisfields.FieldNames[field.type] + " "

		if len(field.readableStr()) > 0 :

			buf += field.readableStr()

		print buf

import pdb

if __name__ == "__main__" :

	if len(sys.argv) == 1:

		print "usage: %s <sisfile>" % sys.argv[0]

		exit()

	sisname = sys.argv[1]

	sisInfo = sisinfo.SISInfo()

	sisInfo.parse(sisname)

	handler = Handler()

	sisInfo.traverse(handler)

	tmp = sisname.lower()

	if tmp.find(os.sep):

		tmp = sisname[sisname.rfind(os.sep)+1:]

	if tmp.find('sisx'):

		tmp = tmp[0:len(tmp)-4]

	elif tmp.find('sis'):

		tmp = tmp[0:len(tmp)-3]

	iby_path = os.getcwd() + os.sep + IBY_PATH + os.sep

	iby_file = tmp + ".iby"

	if not os.path.exists(iby_path) :

		os.makedirs(iby_path)

	iby = open(iby_path + iby_file,'w')

	print "Creating IBY file..."

	iby.write( "#ifndef __%s_IBY__" % tmp.upper() + CRLF)

	iby.write( "#define __%s_IBY__" % tmp.upper() + CRLF)

	print "Extracting SIS..."

	handler.execute(tmp, iby)

	iby.write( "#endif" + CRLF)

	iby.close()

	print "Zipping..."

	os.system(ZIP_CMD + tmp + '.zip epoc32')

	print "All done. Remember to #include <%s> in your main IBY file" % iby_file