43 lines
1.0 KiB
Ruby
43 lines
1.0 KiB
Ruby
module Oauth2::AccessTokenValidationService
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# Results:
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VALID = :valid
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EXPIRED = :expired
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REVOKED = :revoked
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INSUFFICIENT_SCOPE = :insufficient_scope
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class << self
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def validate(token, scopes: [])
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if token.expired?
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return EXPIRED
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elsif token.revoked?
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return REVOKED
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elsif !self.sufficient_scope?(token, scopes)
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return INSUFFICIENT_SCOPE
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else
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return VALID
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end
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end
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protected
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# True if the token's scope is a superset of required scopes,
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# or the required scopes is empty.
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def sufficient_scope?(token, scopes)
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if scopes.blank?
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# if no any scopes required, the scopes of token is sufficient.
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return true
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else
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# If there are scopes required, then check whether
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# the set of authorized scopes is a superset of the set of required scopes
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required_scopes = Set.new(scopes)
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authorized_scopes = Set.new(token.scopes)
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return authorized_scopes >= required_scopes
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end
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end
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end
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end
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