Why is OpenID so hard to implement?
I read this post:
How to Implement Direct Identity Based OpenID Authentication with Zend OpenID
Why does it seem so difficult to implement?
IMO, just send a request to the remote site and get a response.
What is the problem faced by OpenID libraries?
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1 answer
Well, there is more than one request, you need to establish a connection, send the user to the OP, check the response, but no, it is not difficult to implement, sometimes it is difficult to get an idea of what is going on.
So, to answer your questions:
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Difficult to implement because you need to understand the flow.
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If you are causing (1) a problem, what libraries are trying to solve, combining most of the implementation details.
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