def close(self):
"""Close the MAR file, writing out the new index if required.
Furthur modifications to the file are not allowed."""
if self.mode == "w":
if self.rewrite_index:
self._write_index()
# Update file size
self.fileobj.seek(0, 2)
totalsize = self.fileobj.tell()
self.fileobj.seek(8)
self.fileobj.write(struct.pack(">Q", totalsize))
# Write additional info
self.fileobj.seek(20)
self.fileobj.write(struct.pack(">L", len(self.additional_info)))
for info in self.additional_info:
info.write(self.fileobj)
self.fileobj.flush()
if self.signatures:
fileobj = open(self.name, 'rb')
generate_signature(fileobj, self._update_signatures)
for sig in self.signatures:
# print sig._offset
sig.write_signature(self.fileobj)
self.fileobj.close()
self.fileobj = None
def close(self):
"""Close the MAR file, writing out the new index if required.
Furthur modifications to the file are not allowed."""
if self.mode == "w":
if self.rewrite_index:
self._write_index()
# Update file size
self.fileobj.seek(0, 2)
totalsize = self.fileobj.tell()
self.fileobj.seek(8)
self.fileobj.write(struct.pack(">Q", totalsize))
# Write additional info
self.fileobj.seek(20)
self.fileobj.write(struct.pack(">L", len(self.additional_info)))
for info in self.additional_info:
info.write(self.fileobj)
self.fileobj.flush()
if self.signatures:
curr_pos = self.fileobj.tell()
generate_signature(self.fileobj, self._update_signatures)
self.fileobj.seek(curr_pos)
for sig in self.signatures:
# print sig._offset
sig.write_signature(self.fileobj)
self.fileobj.close()
self.fileobj = None
def verify_signatures(self):
if not mardor.signing.crypto:
log.warning("no crypto modules loaded to check signatures "
"(did you install the cryptography module?)")
raise IOError("Verification failed")
if not self.signatures:
log.info("no signatures to verify")
return
fp = self.fileobj
for sig in self.signatures:
sig.init_verifier()
generate_signature(fp, self._update_signatures)
for sig in self.signatures:
if not sig.verify_signature():
raise IOError("Verification failed")
else:
log.info("Verification OK (%s)", sig.algo_name)
def verify_signatures(self):
if not mardor.signing.crypto:
log.warning("no crypto modules loaded to check signatures "
"(did you install the cryptography module?)")
raise IOError("Verification failed")
if not self.signatures:
log.info("no signatures to verify")
return
fp = self.fileobj
for sig in self.signatures:
sig.init_verifier()
generate_signature(fp, self._update_signatures)
for sig in self.signatures:
if not sig.verify_signature():
raise IOError("Verification failed")
else:
log.info("Verification OK (%s)", sig.algo_name)
