acsm-calibre-plugin/calibre-plugin/fulfill.py

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2021-09-25 20:24:03 +06:00
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
'''
This is an experimental Python version of libgourou.
'''
# pyright: reportUndefinedVariable=false
import sys
if sys.version_info[0] < 3:
print("This script requires Python 3.")
exit(1)
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import zipfile
from lxml import etree
from libadobe import sendHTTPRequest
from libadobeFulfill import buildRights, fulfill
FILE_DEVICEKEY = "devicesalt"
FILE_DEVICEXML = "device.xml"
FILE_ACTIVATIONXML = "activation.xml"
#######################################################################
def download(replyData):
# replyData: str
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adobe_fulfill_response = etree.fromstring(replyData)
NSMAP = { "adept" : "http://ns.adobe.com/adept" }
adNS = lambda tag: '{%s}%s' % ('http://ns.adobe.com/adept', tag)
adDC = lambda tag: '{%s}%s' % ('http://purl.org/dc/elements/1.1/', tag)
metadata_node = adobe_fulfill_response.find("./%s/%s/%s" % (adNS("fulfillmentResult"), adNS("resourceItemInfo"), adNS("metadata")))
download_url = adobe_fulfill_response.find("./%s/%s/%s" % (adNS("fulfillmentResult"), adNS("resourceItemInfo"), adNS("src"))).text
resource_id = adobe_fulfill_response.find("./%s/%s/%s" % (adNS("fulfillmentResult"), adNS("resourceItemInfo"), adNS("resource"))).text
license_token_node = adobe_fulfill_response.find("./%s/%s/%s" % (adNS("fulfillmentResult"), adNS("resourceItemInfo"), adNS("licenseToken")))
rights_xml_str = buildRights(license_token_node)
if (rights_xml_str is None):
print("Building rights.xml failed!")
exit(1)
book_name = None
try:
book_name = metadata_node.find("./%s" % (adDC("title"))).text
except:
book_name = "Book"
# Download eBook:
book_content = sendHTTPRequest(download_url)
filetype = ".bin"
if (book_content.startswith(b"PK")):
print("That's a ZIP file -> EPUB")
filetype = ".epub"
elif (book_content.startswith(b"%PDF")):
print("That's a PDF file")
filetype = ".pdf"
filename = book_name + filetype
# Store book:
f = open(filename, "wb")
f.write(book_content)
f.close()
if filetype == ".epub":
# Store EPUB rights / encryption stuff
zf = zipfile.ZipFile(filename, "a")
zf.writestr("META-INF/rights.xml", rights_xml_str)
zf.close()
print("File successfully fulfilled!")
exit(0)
elif filetype == ".pdf":
print("Successfully downloaded PDF, but PDF encryption is not yet supported")
print("You will not be able to use the downloaded PDF file")
print("Here's the raw string:")
print(rights_xml_str)
exit(1)
else:
print("Error: Weird filetype")
exit(1)
def main():
print("Fulfilling book ...")
success, replyData = fulfill("URLLink.acsm")
if (success is False):
print("Hey, that didn't work!")
print(replyData)
else:
print("Downloading book ...")
download(replyData)
if __name__ == "__main__":
main()