57 lines
1.4 KiB
Ruby
57 lines
1.4 KiB
Ruby
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# frozen_string_literal: true
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class AddHashedApiKey < ActiveRecord::Migration[6.0]
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def up
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add_column(:api_keys, :key_hash, :string)
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add_column(:api_keys, :truncated_key, :string)
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execute(<<~SQL)
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UPDATE api_keys
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SET truncated_key = LEFT(key, 4)
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SQL
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batch_size = 500
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begin
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batch = DB.query <<-SQL
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SELECT id, key
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FROM api_keys
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WHERE key_hash IS NULL
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LIMIT #{batch_size}
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SQL
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to_update = []
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for row in batch
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hashed = Digest::SHA256.hexdigest row.key
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to_update << { id: row.id, key_hash: hashed }
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end
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if to_update.size > 0
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data_string = to_update.map { |r| "(#{r[:id]}, '#{r[:key_hash]}')" }.join(",")
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DB.exec <<~SQL
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UPDATE api_keys
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SET key_hash = data.key_hash
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FROM (values
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#{data_string}
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) as data(id, key_hash)
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WHERE api_keys.id = data.id
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SQL
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end
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end until batch.length < batch_size
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change_column_null :api_keys, :key_hash, false
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change_column_null :api_keys, :truncated_key, false
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add_index :api_keys, :key_hash
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# The key column will be dropped in a post_deploy migration
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# But allow it to be null in the meantime
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Migration::SafeMigrate.disable!
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change_column_null :api_keys, :key, true
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Migration::SafeMigrate.enable!
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end
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def down
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raise ActiveRecord::IrreversibleMigration
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end
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end
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