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133 lines
4.2 KiB
Python
133 lines
4.2 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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'''
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This is an experimental Python version of libgourou.
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'''
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# pyright: reportUndefinedVariable=false
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import os, time, shutil
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import zipfile
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from lxml import etree
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from setup.libadobe import sendHTTPRequest_DL2FILE
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from setup.libadobeFulfill import buildRights, fulfill
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from setup.libpdf import patch_drm_into_pdf
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#######################################################################
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def download(replyData):
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# replyData: str
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adobe_fulfill_response = etree.fromstring(replyData)
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NSMAP = { "adept" : "http://ns.adobe.com/adept" }
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adNS = lambda tag: '{%s}%s' % ('http://ns.adobe.com/adept', tag)
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adDC = lambda tag: '{%s}%s' % ('http://purl.org/dc/elements/1.1/', tag)
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# print (replyData)
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download_url = adobe_fulfill_response.find("./%s/%s/%s" % (adNS("fulfillmentResult"), adNS("resourceItemInfo"), adNS("src"))).text
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resource_id = adobe_fulfill_response.find("./%s/%s/%s" % (adNS("fulfillmentResult"), adNS("resourceItemInfo"), adNS("resource"))).text
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license_token_node = adobe_fulfill_response.find("./%s/%s/%s" % (adNS("fulfillmentResult"), adNS("resourceItemInfo"), adNS("licenseToken")))
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rights_xml_str = buildRights(license_token_node)
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if (rights_xml_str is None):
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print("Building rights.xml failed!")
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return False
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book_name = None
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try:
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metadata_node = adobe_fulfill_response.find("./%s/%s/%s" % (adNS("fulfillmentResult"), adNS("resourceItemInfo"), adNS("metadata")))
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book_name = metadata_node.find("./%s" % (adDC("title"))).text
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# removing illegal characters for filename
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book_name = book_name.replace(":","-")
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book_name = ''.join([c for c in book_name if c not in '\/*?"<>|'])
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except:
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book_name = "Book"
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# Download eBook:
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print(download_url)
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filename_tmp = book_name + ".tmp"
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dl_start_time = int(time.time() * 1000)
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ret = sendHTTPRequest_DL2FILE(download_url, filename_tmp)
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dl_end_time = int(time.time() * 1000)
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print()
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print("Download took %d milliseconds" % (dl_end_time - dl_start_time))
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if (ret != 200):
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print("Download failed with error %d" % (ret))
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return False
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with open(filename_tmp, "rb") as f:
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book_content = f.read(10)
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filetype = ".bin"
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if (book_content.startswith(b"PK")):
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print("That's a ZIP file -> EPUB")
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filetype = ".epub"
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elif (book_content.startswith(b"%PDF")):
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print("That's a PDF file")
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filetype = ".pdf"
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filename = book_name + filetype
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shutil.move(filename_tmp, filename)
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if filetype == ".epub":
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# Store EPUB rights / encryption stuff
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zf = zipfile.ZipFile(filename, "a")
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zf.writestr("META-INF/rights.xml", rights_xml_str)
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zf.close()
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print()
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print("File successfully fulfilled")
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return filename
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elif filetype == ".pdf":
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print("Successfully downloaded PDF, patching encryption ...")
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adobe_fulfill_response = etree.fromstring(rights_xml_str)
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NSMAP = { "adept" : "http://ns.adobe.com/adept" }
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adNS = lambda tag: '{%s}%s' % ('http://ns.adobe.com/adept', tag)
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resource = adobe_fulfill_response.find("./%s/%s" % (adNS("licenseToken"), adNS("resource"))).text
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os.rename(filename, "tmp_" + filename)
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ret = patch_drm_into_pdf("tmp_" + filename, rights_xml_str, filename, resource)
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os.remove("tmp_" + filename)
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if (ret):
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print()
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print("File successfully fulfilled")
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return filename
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else:
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print("Errors occurred while patching " + filename)
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return False
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else:
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print("Error: Weird filetype")
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return False
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def downloadFile(file="URLLink.acsm"):
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print("Fulfilling book '" + file + "' ...")
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success, replyData = fulfill(file)
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if (success is False):
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print()
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print("Hey, that didn't work!")
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print(replyData)
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else:
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print()
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print("Downloading book '" + file + "' with download link")
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success = download(replyData)
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if (success is False):
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print("That didn't work!")
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return None
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else:
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return success
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