mirror of https://github.com/Calamitous/iris.git
71 lines
1.8 KiB
Ruby
71 lines
1.8 KiB
Ruby
#!/usr/bin/env ruby
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#TODO: Validate author with file owner
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require 'time'
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require 'base64'
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require 'digest'
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require 'socket'
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require 'json'
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class Config
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CONFIG_FILE = self.get[:config_file] || "#{ENV['HOME']}/.iris.config.json"
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MESSAGE_FILE = self.get[:message_file] || "#{ENV['HOME']}/.iris.messages"
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USER = ENV['USER'] || ENV['LOGNAME'] || ENV['USERNAME']
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HOSTNAME = self.get[:hostname] || Socket.gethostname
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AUTHOR = "#{USER}@#{HOSTNAME}"
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def self.get(filepath = CONFIG_FILE)
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return @loaded_config if @loaded_config
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if !File.exists?(filepath)
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File.write(filepath, '{}')
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return @loaded_config = {}
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end
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return @loaded_config = JSON.load(filepath)
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end
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end
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class Message
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TERMINATOR = "\n.\n"
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FIELD_SEPARATOR = '|'
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FILE_FORMAT = 'v1'
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attr_reader :timestamp, :hash, :edit_hash, :author, :parent, :message
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def initialize(message, author = Config::AUTHOR, parent = nil, timestamp = Time.now.utc.iso8601, edit_hash = nil)
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@parent = parent
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@author = author
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@timestamp = timestamp
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@message = message
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end
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def self.load(payload)
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payload = payload.gsub(/#{TERMINATOR}$/, '')
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hash, edit_hash, timestamp, parent, author, *message = payload.split(FIELD_SEPARATOR)
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loaded_message = self.new(message.join(FIELD_SEPARATOR), author, parent, timestamp, edit_hash)
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raise 'Broken hash!' unless loaded_message.hash == hash
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loaded_message
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end
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def hash
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make_sha(unconfirmed_payload)
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end
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def to_payload
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[hash, @edit_hash, unconfirmed_payload].join(FIELD_SEPARATOR) + TERMINATOR
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end
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private
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def unconfirmed_payload
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[@timestamp, @parent, @author, @message].join(FIELD_SEPARATOR)
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end
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def make_sha(payload)
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Base64.encode64(Digest::SHA1.digest(payload))
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end
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end
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