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LCP support

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NoDRM
2021-11-17 21:53:24 +01:00
parent 05e0d0bedb
commit a44b50d1d8
16 changed files with 218 additions and 55 deletions
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13
DeDRM_plugin/epubtest.py
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@@ -12,6 +12,7 @@
# 1.00 - Cut to epubtest.py, testing ePub files only by Apprentice Alf
# 1.01 - Added routine for use by Windows DeDRM
# 2.00 - Python 3, September 2020
# 2.01 - Add new Adobe DRM, add Readium LCP
#
# Written in 2011 by Paul Durrant
# Released with unlicense. See http://unlicense.org/
@@ -185,7 +186,13 @@ def encryption(infile):
foundencryption = False
inzip = zipfile.ZipFile(infile,'r')
namelist = set(inzip.namelist())
if 'META-INF/rights.xml' not in namelist or 'META-INF/encryption.xml' not in namelist:
if (
'META-INF/encryption.xml' in namelist and
'META-INF/license.lcpl' in namelist and
b"EncryptedContentKey" in inzip.read("META-INF/encryption.xml")):
encryption = "Readium LCP"
elif 'META-INF/rights.xml' not in namelist or 'META-INF/encryption.xml' not in namelist:
encryption = "Unencrypted"
else:
rights = etree.fromstring(inzip.read('META-INF/rights.xml'))
@@ -193,7 +200,9 @@ def encryption(infile):
expr = './/%s' % (adept('encryptedKey'),)
bookkey = ''.join(rights.findtext(expr))
if len(bookkey) == 172:
encryption = "Adobe"
encryption = "Adobe (old)"
if len(bookkey) == 192:
encryption = "Adobe (new)"
elif len(bookkey) == 64:
encryption = "B&N"
else: