- You need to install the FileOpen plugin, even though your goal is to bypass it eventually.
- FileOpen PDF DRM removal, which requires the use of PyWin32. Information about the FileOpen company. This can't compile under Visual Studio 2010, but you don't need to bother.
- Instead, download one of the binaries for Pywin32 for your particular version of Python. You may be tempted to use the direct "Download Now!" link off the main page, but don't -- it isn't what you want.
- You need cookies from Firefox. But there is no "Show Cookies" option unless you set "Firefox will:" to "Use custom settings for history" under Privacy. You can also select "remove individual cookies" for the same effect.