85 lines
2.3 KiB
Ruby
85 lines
2.3 KiB
Ruby
class AsciicastParams
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FormatError = Class.new(StandardError)
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def self.build(asciicast_params, user, user_agent)
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if asciicast_params.try(:respond_to?, :read)
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from_format_1_request(asciicast_params, user, user_agent)
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else
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from_format_0_request(asciicast_params, user, user_agent)
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end
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end
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def self.from_format_0_request(params, user, user_agent)
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meta = params.delete(:meta)
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attributes = {
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command: meta['command'],
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duration: meta['duration'],
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shell: meta['shell'],
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stdin_data: params[:stdin],
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stdin_timing: params[:stdin_timing],
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stdout_data: params[:stdout],
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stdout_timing: params[:stdout_timing],
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terminal_columns: meta['term']['columns'],
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terminal_lines: meta['term']['lines'],
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terminal_type: meta['term']['type'],
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title: meta['title'],
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user: user,
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version: 0,
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}
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if meta['uname'] # old client, with useless user_agent
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attributes[:uname] = meta['uname']
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else
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attributes[:user_agent] = user_agent
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end
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attributes
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end
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def self.from_format_1_request(asciicast_file, user, user_agent)
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begin
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asciicast = Oj.sc_parse(AsciicastHandler.new, asciicast_file)
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rescue Oj::ParseError
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raise FormatError, "This doesn't look like a valid asciicast file"
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end
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version = asciicast['version']
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if version != 1
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raise FormatError, "Unsupported asciicast format version: #{version}"
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end
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env = asciicast['env']
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{
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command: asciicast['command'],
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duration: asciicast['duration'],
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file: asciicast_file,
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shell: env && env['SHELL'],
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terminal_columns: asciicast['width'],
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terminal_lines: asciicast['height'],
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terminal_type: env && env['TERM'],
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title: asciicast['title'],
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user: user,
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user_agent: user_agent,
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version: version,
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}
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end
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class AsciicastHandler < ::Oj::ScHandler
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META_ATTRIBUTES = %w[version width height duration command title env SHELL TERM]
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def hash_start
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{}
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end
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def hash_set(h, k, v)
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if META_ATTRIBUTES.include?(k)
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h[k] = v
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end
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end
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end
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end
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