57 lines
2.1 KiB
Ruby
57 lines
2.1 KiB
Ruby
module Mrsk::Utils
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extend self
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# Return a list of escaped shell arguments using the same named argument against the passed attributes (hash or array).
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def argumentize(argument, attributes, redacted: false)
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Array(attributes).flat_map do |key, value|
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if value.present?
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escaped_pair = [ key, escape_shell_value(value) ].join("=")
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[ argument, redacted ? redact(escaped_pair) : escaped_pair ]
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else
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[ argument, key ]
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end
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end
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end
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# Return a list of shell arguments using the same named argument against the passed attributes,
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# but redacts and expands secrets.
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def argumentize_env_with_secrets(env)
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if (secrets = env["secret"]).present?
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argumentize("-e", secrets.to_h { |key| [ key, ENV.fetch(key) ] }, redacted: true) + argumentize("-e", env["clear"])
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else
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argumentize "-e", env.fetch("clear", env)
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end
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end
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# Returns a list of shell-dashed option arguments. If the value is true, it's treated like a value-less option.
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def optionize(args, with: nil)
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options = if with
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flatten_args(args).collect { |(key, value)| value == true ? "--#{key}" : "--#{key}#{with}#{escape_shell_value(value)}" }
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else
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flatten_args(args).collect { |(key, value)| [ "--#{key}", value == true ? nil : escape_shell_value(value) ] }
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end
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options.flatten.compact
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end
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# Flattens a one-to-many structure into an array of two-element arrays each containing a key-value pair
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def flatten_args(args)
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args.flat_map { |key, value| value.try(:map) { |entry| [key, entry] } || [ [ key, value ] ] }
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end
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# Copied from SSHKit::Backend::Abstract#redact to be available inside Commands classes
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def redact(arg) # Used in execute_command to hide redact() args a user passes in
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arg.to_s.extend(SSHKit::Redaction) # to_s due to our inability to extend Integer, etc
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end
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# Escape a value to make it safe for shell use.
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def escape_shell_value(value)
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value.to_s.dump.gsub(/`/, '\\\\`')
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end
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# Abbreviate a git revhash for concise display
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def abbreviate_version(version)
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version[0...7] if version
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end
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end
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