65 lines
2.0 KiB
Ruby
65 lines
2.0 KiB
Ruby
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require_dependency 'carto/oauth_provider/errors'
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require_dependency 'carto/oauth_provider/scopes/scopes'
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module Carto
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class OauthRefreshToken < ActiveRecord::Base
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include OauthProvider::Scopes
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# Multiple of 3 for pretty base64
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TOKEN_RANDOM_BYTES = 15
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REFRESH_TOKEN_EXPIRATION_TIME = 6.months
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MAX_TOKENS_PER_OAUTH_APP_USER = 50
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belongs_to :oauth_app_user, inverse_of: :oauth_refresh_tokens
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validates :oauth_app_user, presence: true
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validates :scopes, scopes: true
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validate :check_offline_scope
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before_create :remove_oldest_ones, unless: :skip_token_regeneration
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before_create :regenerate_token, unless: :skip_token_regeneration
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scope :expired, -> { where('updated_at < ?', Time.now - REFRESH_TOKEN_EXPIRATION_TIME) }
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attr_accessor :skip_token_regeneration
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def exchange!(requested_scopes: scopes)
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raise OauthProvider::Errors::InvalidGrant.new if expired?
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invalid_scopes = Carto::OauthProvider::Scopes.subtract_scopes(requested_scopes, scopes, oauth_app_user.user.database_schema)
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raise OauthProvider::Errors::InvalidScope.new(invalid_scopes) if invalid_scopes.any?
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ActiveRecord::Base.transaction do
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regenerate_token
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save!
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[oauth_app_user.oauth_access_tokens.create!(scopes: requested_scopes), self]
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end
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end
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def oauth_app
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oauth_app_user.oauth_app
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end
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private
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def remove_oldest_ones
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oldest_tokens = OauthRefreshToken.where(oauth_app_user: oauth_app_user)
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.order(updated_at: :desc)
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.offset(MAX_TOKENS_PER_OAUTH_APP_USER - 1)
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oldest_tokens.find_each(&:destroy!) unless oldest_tokens.count.zero?
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end
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def expired?
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updated_at < Time.now - REFRESH_TOKEN_EXPIRATION_TIME
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end
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def check_offline_scope
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errors.add(:scopes, "must contain `#{SCOPE_OFFLINE}`") unless scopes.include?(SCOPE_OFFLINE)
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end
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def regenerate_token
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self.token = SecureRandom.urlsafe_base64(TOKEN_RANDOM_BYTES)
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end
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end
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end
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