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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/.
def _file_byte_generator(filename):
with open(filename, "rb") as f:
contents = f.read()
# Treat empty files the same as a file containing a lone 0;
# a single-element array will fail cert verifcation just as an
# empty array would.
if not contents:
return ["\0"]
return contents
def _create_header(array_name, cert_bytes):
hexified = ["0x%02x" % byte for byte in cert_bytes]
substs = {"array_name": array_name, "bytes": ", ".join(hexified)}
return "const uint8_t %(array_name)s[] = {\n%(bytes)s\n};\n" % substs
# Create functions named the same as the data arrays that we're going to
# write to the headers, so we don't have to duplicate the names like so:
#
# def arrayName(header, cert_filename):
# header.write(_create_header("arrayName", cert_filename))
array_names = [
"xpcshellRoot",
"addonsPublicRoot",
"addonsPublicIntermediate",
"addonsStageRoot",
]
for n in array_names:
# Make sure the lambda captures the right string.
globals()[n] = lambda header, cert_filename, name=n: header.write(
_create_header(name, _file_byte_generator(cert_filename))
)
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