how to make openid provider discovery [closed]

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开发者_JAVA百科

Closed 8 years ago.

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how to make discovery for openid provider like for orange.fr?

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OpenID uses YADIS for discovery. You can read how to perform it [here].
However, that method can fail, and in such case OpenID uses HTML discovery, described in the OpenID specification.

That answers your question, but if you want to just use OpenID, you probably should find some library.