# encoding: utf-8

module Github

module Authorization

# Setup OAuth2 instance

def client

@client ||= ::OAuth2::Client.new(client_id, client_secret,

{

:site => current_options.fetch(:site) { Github.site },

:authorize_url => 'login/oauth/authorize',

:token_url => 'login/oauth/access_token',

:ssl => { :verify => false }

}

)

end

# Strategy token

def auth_code

_verify_client

client.auth_code

end

# Sends authorization request to GitHub.

# = Parameters

# * <tt>:redirect_uri</tt> - Optional string.

# * <tt>:scope</tt> - Optional string. Comma separated list of scopes.

# Available scopes:

# * (no scope) - public read-only access (includes public user profile info, public repo info, and gists).

# * <tt>user</tt> - DB read/write access to profile info only.

# * <tt>public_repo</tt> - DB read/write access, and Git read access to public repos.

# * <tt>repo</tt> - DB read/write access, and Git read access to public and private repos.

# * <tt>gist</tt> - write access to gists.

#

def authorize_url(params = {})

_verify_client

client.auth_code.authorize_url(params)

end

# Makes request to token endpoint and retrieves access token value

def get_token(authorization_code, params = {})

_verify_client

client.auth_code.get_token(authorization_code, params)

end

# Check whether authentication credentials are present

def authenticated?

basic_authed? || oauth_token?

end

# Check whether basic authentication credentials are present

def basic_authed?

basic_auth? || (login? && password?)

end

# Select authentication parameters

#

# @api public

def authentication

if basic_authed?

{ login: login, password: password }

else

{}

end

end

private

def _verify_client # :nodoc:

raise ArgumentError, 'Need to provide client_id and client_secret' unless client_id? && client_secret?

end

end # Authorization

end # Github