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# 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 os.path
import sys
cert_dir = sys.argv[1]
# Read twice, because strings cannot be copied
updater_data = open(sys.argv[2], "rb").read()
new_updater = open(sys.argv[2], "rb").read()
outfile = sys.argv[3]
cert_pairs = sys.argv[4:]
if (len(cert_pairs) % 2) != 0:
print("Certs must be provided in pairs")
sys.exit(1)
for find_cert, replace_cert in zip(*[iter(cert_pairs)] * 2):
find = open(os.path.join(cert_dir, find_cert), "rb").read()
replace = open(os.path.join(cert_dir, replace_cert), "rb").read()
print("Looking for {}...".format(find_cert))
if find in new_updater:
print("Replacing {} with {}".format(find_cert, replace_cert))
new_updater = new_updater.replace(find, replace)
else:
print("Didn't find {}...".format(find_cert))
if len(updater_data) != len(new_updater):
print(
"WARNING: new updater is not the same length as the old one (old: {}, new: {})".format(
len(updater_data), len(new_updater)
)
)
if updater_data == new_updater:
print("WARNING: updater is unchanged")
with open(outfile, "wb+") as f:
f.write(new_updater)
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