Allows you to specify sensitive parameters which will be replaced from the request log by looking in all subhashes of the param hash for keys to filter. If a block is given, each key and value of the parameter hash and all subhashes is passed to it, the value or key can be replaced using String#replace or similar method.
Examples:
env["action_dispatch.parameter_filter"] = [:password] => replaces the value to all keys matching /password/i with "[FILTERED]" env["action_dispatch.parameter_filter"] = [:foo, "bar"] => replaces the value to all keys matching /foo|bar/i with "[FILTERED]" env["action_dispatch.parameter_filter"] = lambda do |k,v| v.reverse! if k =~ /secret/i end => reverses the value to all keys matching /secret/i
# File lib/action_dispatch/http/filter_parameters.rb, line 47 47: def env_filter 48: parameter_filter_for(Array.wrap(@env["action_dispatch.parameter_filter"]) << /RAW_POST_DATA/) 49: end
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