Can't print PDF google drive about cloudprint HOT 4 CLOSED

Hi. Unfortunately, I won't be able to get to this until the middle of next week. In the meantime, if you could share a version of the PDF with all the sensitive info removed, either here or via email, that could be very useful.

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Hi again, @tmedford. I need to see what it is you're trying to print if I'm to do anything about this ticket.

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I have the same issue. I've tried to send a bunch of different pdfs. They all end up blank. Curiously, they have the right number of pages. I tried downloading the resulting file and it resembles in size but is clearly different. I think Google Drive is being clever and tries to convert the document TO pdf, even though it is already on this form.

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After some digging around, I managed to figure out the problem. If you just pass a pdf as a string, a request using application/x-www-form-urlencoded will be constructed. Apparently something on the server side chokes on that somehow (Even though I can't find any mention of that in Google's documentation). If, instead, the contents are written to a file or wrapped in a StringIO, the request is built with multipart/form-data and it works.

I think we should either always use multipart in CloudPrint::Printer#print or it should be clearly documented in the read-me. Any thoughts on this @thegengen ?

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