oauth2 and trusted sites

is there any possibility to work with trusted sites (for example - sites of one developer) us开发者_StackOverflow中文版ing oauth/oauth2 without confirmation of access to user data?

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What are you looking for is: Two-legged oauth

• oAuth in PHP to make 2 legged request
• http://code.google.com/p/oauth-php/wiki/ConsumerHowTo