How to read Gmail contacts using Zend Framework using oAuth

I am done开发者_如何学Go with oAuth with Google using Zend Framework. For now i am reading user google DOCs only. How can i read Gmail contacts using Zend Framework withour asking username and password.

Thank You a lot.

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I dont think there is any straight forward way to do that. You can try this solution. But this uses username & pwd. You can refer to this Calendar example for how to authenticate using both ways.

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oAuth is about authentication, so you will have to authenticate providing credentials.

Authentication is not possible without username and password.

However, you can use API to access the data:

• http://code.google.com/intl/en-US/apis/contacts/
• http://googledataapis.blogspot.com/2008/03/3-2-1-contact-api-has-landed.html