Gmail S/MIME

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от catageek Март 12, 2011 · permalink

Hello,

I use gmail smime for years to decrypt mails. From the beginning of 2011 gmail smime doesn't work anymore and doesn't decrypt mail without notice. I tried to debug this problem and found that it was a problem of cookie.

In fact the function getHead(), line 51 of gmailsmimeviewer.js, does not send the GX cookie in the request, and gets a 302 "moved temporarily" error which is interpreted as a "text/html" contentype. as it is not the right contentype, the file is never decrypted.

This is due to the fact that the GX cookie is now requested to download attached file. It is not sent because it is in the .mail.google.com domain (with the leading dot).

I have not found any workaround to this, like deactivate SSL, and can't decrypt anymore messages. I don't understand why this problem was not raised before. This would be helpful to have a look at this. Thanks.