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# OmniAuth OAuth
This gem contains a generic OAuth strategy for OmniAuth. It is meant to
serve as a building block strategy for other strategies and not to be
used independently (since it has no inherent way to gather uid and user
info).
## Creating an OAuth Strategy
To create an OmniAuth OAuth strategy using this gem, you can simply
subclass it and add a few extra methods like so:
```ruby
require 'json'
require 'omniauth-oauth'
module OmniAuth
module Strategies
class SomeSite < OmniAuth::Strategies::OAuth
# Give your strategy a name.
option :name, "some_site"
# This is where you pass the options you would pass when
# initializing your consumer from the OAuth gem.
option :client_options, {:site => "https://api.somesite.com"}
# These are called after authentication has succeeded. If
# possible, you should try to set the UID without making
# additional calls (if the user id is returned with the token
# or as a URI parameter). This may not be possible with all
# providers.
uid{ request.params['user_id'] }
info do
{
:name => raw_info['name'],
:location => raw_info['city']
}
end
extra do
{
'raw_info' => raw_info
}
end
def raw_info
@raw_info ||= JSON.load(access_token.get('/me.json')).body
end
end
end
end
```
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