60 lines
1.5 KiB
Ruby
60 lines
1.5 KiB
Ruby
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class AuthorizedKeys
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LINE = %r/^
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(?:
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(?<options> .+?)
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\s+)?
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(?<type> (?:sk-)?ssh-[a-zA-Z0-9.@-]+)
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\s+
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(?<key> \S+)
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(?:\s+
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(?<comment> .*)
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)?
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$/x
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def self.parse line
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opts, m = {}, LINE.match( line)
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raise "Invalid authorized keys line: #{line}" unless m
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if m[:options]
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o = m[:options].dup
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while not o.empty?
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case o
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when /^([a-z0-9_-]+)(.*)$/i
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k, o = $1.to_sym, $2
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case o
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when '' then opts[k] = true
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when /^,(.*)$/ then opts[k], o = true, $1
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when /^="([^"]*)"(.*)$/i, /^=([a-z_0-9:-]*)(.*?)$/i
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opts[k], o = $1, $2
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case o
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when /^,(.*)/ then o = $1
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when '' then o = ''
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else raise "Invalid options-string at: #{o}"
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end
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else raise "Invalid options-string at: #{o}"
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end
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when /^\s*#/
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# comment
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end
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end
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end
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new m[:type], m[:key], m[:comment], **opts
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end
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attr_reader :type, :key, :comment, :options
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def initialize type, key, comment, **options
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@type, @key, @comment, @options = type, key, comment, options
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end
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def to_h() {type: @type, key: @key, comment: @comment, options: @options} end
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def to_a() [@type, @key, @comment, @options] end
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def to_s
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[
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@options.map {|k,v| case v when true then "#{k}" else "#{k}=\"#{v}\"" end }.join( ','),
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@type, @key, @comment
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].join ' '
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end
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end
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