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OAuth: invalid signature problem

hmmhmm Registered Users Posts: 3 Beginner grinner
edited August 13, 2012 in SmugMug API Support & Integrations
Hi,

I am using a custom OAuth 1.0 code which works fine with Flickr, Twitter and others. But when I try to request a request token for SmugMug I get this error:
{"stat":"fail","method":"smugmug.auth.getRequestToken","code":35,"message":"invalid signature"}

Probably I am missing some parameter or using something wrong. The string over which the signature is created using "consumerSecret+&" is
GET&https%3A%2F%2Fapi.smugmug.com%2Fservices%2Fapi%2Fjson%2F1.3.0%2F&method%3Dsmugmug.auth.getRequesToken%26oauth_consumer_key%3D4v0l1H1696I0k7EpGfyfGfSjnI2YIr4B%26oauth_nonce%3D1a3b4f53c6458f0748a7a51e90c3a404%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1344863322%26oauth_version%3D1.0
resulting in the final URL including the signature:
https://api.smugmug.com/services/api/json/1.3.0/?method=smugmug.auth.getRequestToken&oauth_consumer_key=4v0l1H1696I0k7EpGfyfGfSjnI2YIr4B&oauth_nonce=1a3b4f53c6458f0748a7a51e90c3a404&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1344863322&oauth_version=1.0&oauth_signature=nD9BeB1HiiCNhTvAzGcingSQHEE=

The generated signature is correct when using my consumer secret (not shown here). Can anyone give a hint what might be wrong?

Regards,

Comments

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    hmmhmm Registered Users Posts: 3 Beginner grinner
    edited August 13, 2012
    Interestingly the finale url with the signature works when entered in the Firefox address bar, but it does not work if I send it through sockets in my app. What could be the problem resp. what might Firefox do while transmitting the url?
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    hmmhmm Registered Users Posts: 3 Beginner grinner
    edited August 13, 2012
    Found the solution. The url was double encoded by the socket implementation.
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