Make sure your OAuth library is up-to-date. Not having it up-to-date can cause a *lot* of issues.


On 12/17/10 7:34 PM, Nicolás López Zerpa wrote:
Hello everyone.
About a month ago, I've added to our news website the feature to login
using Twitter. It uses OAuth to get the Twitter user data.

However, since a few days ago, it doesn't work anymore. Nobody changed
that feature recently; when I want to sign in, I get an 401 error:
"Failed to validate oauth signature and token". The script fails when
it makes a request to

I've also made some little test with PHP OAuth classes I've found on
the Internet and I couldn't either make my app work.

Please, let me know if you need more info, or if Twitter changed
something and I have to modify my app.

Thanks in advance :)

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