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dedrm_src/wineutils.py

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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from __future__ import with_statement
+
+__license__ = 'GPL v3'
+
+# Standard Python modules.
+import os, sys, re, hashlib
+from calibre_plugins.dedrm.__init__ import PLUGIN_NAME, PLUGIN_VERSION
+
+def WineGetKeys(scriptpath, extension, wineprefix=""):
+    import subprocess
+    from subprocess import Popen, PIPE, STDOUT
+
+    import subasyncio
+    from subasyncio import Process
+
+    if extension == u".k4i":
+        import json
+
+    basepath, script = os.path.split(scriptpath)
+    print u"{0} v{1}: Running {2} under Wine".format(PLUGIN_NAME, PLUGIN_VERSION, script)
+
+    outdirpath = os.path.join(basepath, u"winekeysdir")
+    if not os.path.exists(outdirpath):
+        os.makedirs(outdirpath)
+
+    wineprefix = os.path.abspath(os.path.expanduser(os.path.expandvars(wineprefix)))
+    if wineprefix != "" and os.path.exists(wineprefix):
+         cmdline = u"WINEPREFIX=\"{2}\" wine python.exe \"{0}\" \"{1}\"".format(scriptpath,outdirpath,wineprefix)
+    else:
+        cmdline = u"wine python.exe \"{0}\" \"{1}\"".format(scriptpath,outdirpath)
+    print u"{0} v{1}: Command line: '{2}'".format(PLUGIN_NAME, PLUGIN_VERSION, cmdline)
+
+    try:
+        cmdline = cmdline.encode(sys.getfilesystemencoding())
+        p2 = Process(cmdline, shell=True, bufsize=1, stdin=None, stdout=sys.stdout, stderr=STDOUT, close_fds=False)
+        result = p2.wait("wait")
+    except Exception, e:
+        print u"{0} v{1}: Wine subprocess call error: {2}".format(PLUGIN_NAME, PLUGIN_VERSION, e.args[0])
+        if wineprefix != "" and os.path.exists(wineprefix):
+            cmdline = u"WINEPREFIX=\"{2}\" wine C:\\Python27\\python.exe \"{0}\" \"{1}\"".format(scriptpath,outdirpath,wineprefix)
+        else:
+           cmdline = u"wine C:\\Python27\\python.exe \"{0}\" \"{1}\"".format(scriptpath,outdirpath)
+        print u"{0} v{1}: Command line: “{2}”".format(PLUGIN_NAME, PLUGIN_VERSION, cmdline)
+
+        try:
+           cmdline = cmdline.encode(sys.getfilesystemencoding())
+           p2 = Process(cmdline, shell=True, bufsize=1, stdin=None, stdout=sys.stdout, stderr=STDOUT, close_fds=False)
+           result = p2.wait("wait")
+        except Exception, e:
+           print u"{0} v{1}: Wine subprocess call error: {2}".format(PLUGIN_NAME, PLUGIN_VERSION, e.args[0])
+
+    # try finding winekeys anyway, even if above code errored
+    winekeys = []
+    # get any files with extension in the output dir
+    files = [f for f in os.listdir(outdirpath) if f.endswith(extension)]
+    for filename in files:
+        try:
+            fpath = os.path.join(outdirpath, filename)
+            with open(fpath, 'rb') as keyfile:
+                if extension == u".k4i":
+                    new_key_value = json.loads(keyfile.read())
+                else:
+                    new_key_value = keyfile.read()
+            winekeys.append(new_key_value)
+        except:
+            print u"{0} v{1}: Error loading file {2}".format(PLUGIN_NAME, PLUGIN_VERSION, filename)
+            traceback.print_exc()
+        os.remove(fpath)
+    print u"{0} v{1}: Found and decrypted {2} {3}".format(PLUGIN_NAME, PLUGIN_VERSION, len(winekeys), u"key file" if len(winekeys) == 1 else u"key files")
+    return winekeys