method

message_verifiers

v7.1.3.4 - Show latest stable - 0 notes - Class: Rails::Application

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What's this?

message_verifiers() public

Returns a message verifier factory (ActiveSupport::MessageVerifiers). This factory can be used as a central point to configure and create message verifiers (ActiveSupport::MessageVerifier) for your application.

By default, message verifiers created by this factory will generate messages using the default ActiveSupport::MessageVerifier options. You can override these options with a combination of ActiveSupport::MessageVerifiers#clear_rotations and ActiveSupport::MessageVerifiers#rotate. However, this must be done prior to building any message verifier instances. For example, in a before_initialize block:

# Use `url_safe: true` when generating messages
config.before_initialize do |app|
  app.message_verifiers.clear_rotations
  app.message_verifiers.rotate(url_safe: true)
end

Message verifiers created by this factory will always use a secret derived from #secret_key_base when generating messages. clear_rotations will not affect this behavior. However, older secret_key_base values can be rotated for verifying messages:

# Fall back to old `secret_key_base` when verifying messages
config.before_initialize do |app|
  app.message_verifiers.rotate(secret_key_base: "old secret_key_base")
end

Show source

# File railties/lib/rails/application.rb, line 197
    def message_verifiers
      @message_verifiers ||=
        ActiveSupport::MessageVerifiers.new do |salt, secret_key_base: self.secret_key_base|
          key_generator(secret_key_base).generate_key(salt)
        end.rotate_defaults
    end

message_verifiers

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