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Fix plugin crash with invalid ADE key

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NoDRM
2022-08-03 19:49:20 +02:00
parent 59839ae5c7
commit 9a11f480b5
2 changed files with 5 additions and 3 deletions
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7
DeDRM_plugin/__init__.py
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@@ -511,10 +511,10 @@ class DeDRM(FileTypePlugin):
continue
# Found matching key
userkey = codecs.decode(userkeyhex, 'hex')
print("{0} v{1}: Trying UUID-matched encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname))
of = self.temporary_file(".epub")
try:
userkey = codecs.decode(userkeyhex, 'hex')
result = ineptepub.decryptBook(userkey, inf.name, of.name)
of.close()
if result == 0:
@@ -531,12 +531,13 @@ class DeDRM(FileTypePlugin):
# Attempt to decrypt epub with each encryption key (generated or provided).
for keyname, userkeyhex in dedrmprefs['adeptkeys'].items():
userkey = codecs.decode(userkeyhex, 'hex')
print("{0} v{1}: Trying Encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname))
of = self.temporary_file(".epub")
# Give the user key, ebook and TemporaryPersistent file to the decryption function.
try:
userkey = codecs.decode(userkeyhex, 'hex')
result = ineptepub.decryptBook(userkey, inf.name, of.name)
except ineptepub.ADEPTNewVersionError:
print("{0} v{1}: Book uses unsupported (too new) Adobe DRM.".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
@@ -673,11 +674,11 @@ class DeDRM(FileTypePlugin):
continue
# Found matching key
userkey = codecs.decode(userkeyhex, 'hex')
print("{0} v{1}: Trying UUID-matched encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname))
of = self.temporary_file(".pdf")
try:
userkey = codecs.decode(userkeyhex, 'hex')
result = ineptpdf.decryptBook(userkey, path_to_ebook, of.name)
of.close()
if result == 0: