66 lines
2.7 KiB
Ruby
66 lines
2.7 KiB
Ruby
# Controller concern for authentication methods
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#
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# Split off from main +ApplicationController+ to allow e.g.
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# Doorkeeper to use it too.
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module Concerns::AuthApi
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extend ActiveSupport::Concern
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protected
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def authenticate
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# authenticate does not look at scopes, we just want to know if there's a valid token
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# @see https://github.com/doorkeeper-gem/doorkeeper/blob/v5.0.1/lib/doorkeeper/models/access_token_mixin.rb#L218
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doorkeeper_render_error unless doorkeeper_token && doorkeeper_token.accessible?
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super if current_user
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end
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# @return [User] Current user, or +nil+ if no valid token.
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def current_user
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@current_user ||= User.undeleted.find(doorkeeper_token.resource_owner_id) if doorkeeper_token
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end
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def doorkeeper_authorize!(*scopes)
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super(*scopes)
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# In addition to Doorkeeper's authorization and scope check, we also verify
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# that the user has permissions for the scope (through its workgroups).
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# Unless no scopes were supplied, which means we only want to make sure there
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# is a valid user.
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#
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# If Doorkeeper's +handle_auth_errors+ is set to +:raise+, we don't get here,
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# but otherwise we need to check whether +super+ rendered an error.
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doorkeeper_authorize_roles!(*scopes) if scopes.present? && !performed?
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end
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private
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# Make sure that at least one the given OAuth scopes is valid for the current user's permissions.
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# @raise Api::Errors::PermissionsRequired
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def doorkeeper_authorize_roles!(*scopes)
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unless scopes.any? {|scope| doorkeeper_scope_permitted?(scope) }
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raise Api::Errors::PermissionRequired.new('Forbidden, no permission')
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end
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end
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# Check whether a given OAuth scope is permitted for the current user.
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# @note This does not validate whether the given scope is a valid scope.
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# @return [Boolean] Whether the given scope is valid for the current user.
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# @see https://github.com/foodcoops/foodsoft/issues/582#issuecomment-442513237
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def doorkeeper_scope_permitted?(scope)
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scope_parts = scope.split(':')
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# user sub-scopes like +config:user+ are always permitted
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if scope_parts.last == 'user'
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return true
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end
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case scope_parts.first
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when 'user' then true # access to the current user's own profile
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when 'config' then current_user.role_admin?
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when 'users' then current_user.role_admin?
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when 'workgroups' then current_user.role_admin?
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when 'suppliers' then current_user.role_suppliers?
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when 'group_orders' then current_user.role_orders?
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when 'finance' then current_user.role_finance?
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# please note that offline_access does not belong here, since it is not used for permission checking
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end
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end
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end
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