2016-03-23 18:39:41 +01:00
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require 'omniauth-oauth2'
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module OmniAuth
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module Strategies
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class SsoOauth2Provider < OmniAuth::Strategies::OAuth2
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def self.active_provider
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active_provider = AuthProvider.active
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if active_provider.providable_type != OAuth2Provider.name
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raise "Trying to instantiate the wrong provider: Expected OAuth2Provider, received #{active_provider.providable_type}"
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end
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active_provider
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end
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# Strategy name.
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option :name, active_provider.strategy_name
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option :client_options, {
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:site => active_provider.providable.base_url,
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:authorize_url => active_provider.providable.authorization_endpoint,
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:token_url => active_provider.providable.token_endpoint
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}
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uid { parsed_info['user.uid'.to_sym] }
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info do
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{
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:mapping => parsed_info
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}
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end
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extra do
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{
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:raw_info => raw_info
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}
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end
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# retrieve data from various url, querying each only once
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def raw_info
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@raw_info ||= Hash.new
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unless @raw_info.size > 0
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OmniAuth::Strategies::SsoOauth2Provider.active_provider.providable.o_auth2_mappings.each do |mapping|
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unless @raw_info.has_key?(mapping.api_endpoint.to_sym)
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@raw_info[mapping.api_endpoint.to_sym] = access_token.get(mapping.api_endpoint).parsed
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end
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end
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end
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@raw_info
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end
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def parsed_info
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@parsed_info ||= Hash.new
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unless @parsed_info.size > 0
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OmniAuth::Strategies::SsoOauth2Provider.active_provider.providable.o_auth2_mappings.each do |mapping|
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2016-09-15 17:10:41 +02:00
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if mapping.transformation
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case mapping.transformation['type']
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## INTEGER
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when 'integer'
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mapping.transformation['mapping'].each do |m|
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if m['from'] == raw_info[mapping.api_endpoint.to_sym][mapping.api_field]
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@parsed_info[local_sym(mapping)] = m['to']
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break
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end
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end
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## BOOLEAN
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when 'boolean'
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@parsed_info[local_sym(mapping)] = !(raw_info[mapping.api_endpoint.to_sym][mapping.api_field] == mapping.transformation['false_value'])
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@parsed_info[local_sym(mapping)] = (raw_info[mapping.api_endpoint.to_sym][mapping.api_field] == mapping.transformation['true_value'])
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## DATE
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when 'date'
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case mapping.transformation['format']
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when 'iso8601'
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@parsed_info[local_sym(mapping)] = DateTime.iso8601(raw_info[mapping.api_endpoint.to_sym][mapping.api_field])
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when 'rfc2822'
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@parsed_info[local_sym(mapping)] = DateTime.rfc2822(raw_info[mapping.api_endpoint.to_sym][mapping.api_field])
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when 'rfc3339'
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@parsed_info[local_sym(mapping)] = DateTime.rfc3339(raw_info[mapping.api_endpoint.to_sym][mapping.api_field])
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when 'timestamp-s'
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@parsed_info[local_sym(mapping)] = DateTime.strptime(raw_info[mapping.api_endpoint.to_sym][mapping.api_field],'%s')
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when 'timestamp-ms'
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@parsed_info[local_sym(mapping)] = DateTime.strptime(raw_info[mapping.api_endpoint.to_sym][mapping.api_field],'%Q')
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else
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@parsed_info[local_sym(mapping)] = DateTime.parse(raw_info[mapping.api_endpoint.to_sym][mapping.api_field])
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end
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## OTHER TRANSFORMATIONS (not supported)
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else
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@parsed_info[local_sym(mapping)] = raw_info[mapping.api_endpoint.to_sym][mapping.api_field]
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end
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## NO TRANSFORMATION
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else
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@parsed_info[local_sym(mapping)] = raw_info[mapping.api_endpoint.to_sym][mapping.api_field]
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end
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2016-03-23 18:39:41 +01:00
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end
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end
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@parsed_info
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end
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2016-09-15 17:10:41 +02:00
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private
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def local_sym(mapping)
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(mapping.local_model+'.'+mapping.local_field).to_sym
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end
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2016-03-23 18:39:41 +01:00
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end
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end
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end
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