node.js - About arbitrary data -

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what arbitrary data ? found here https://www.dropbox.com/developers/core/docs#oa2-authorize

 state 200 bytes of arbitrary data passed redirect   uri. parameter should used protect against cross-site request forgery  (csrf). see sections 4.4.1.8 , 4.4.2.5 of oauth 2.0 threat model spec.

so types of value send state ? using nodejs .

"arbitrary data" means anything. string, number, binary data, whatever.

since it's used csrf token, needs unpredictable value that's associated user's session. here guidelines on csrf tokens.


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