54 lines
1.6 KiB
Crystal
54 lines
1.6 KiB
Crystal
require "option_parser"
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module Kemal
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# Handles all the initialization from the command line.
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class CLI
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def initialize
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@ssl_enabled = false
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@key_file = ""
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@cert_file = ""
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@config = Kemal.config
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parse
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configure_ssl
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end
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def parse
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OptionParser.parse! do |opts|
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opts.on("-b HOST", "--bind HOST", "Host to bind (defaults to 0.0.0.0)") do |host_binding|
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@config.host_binding = host_binding
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end
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opts.on("-p PORT", "--port PORT", "Port to listen for connections (defaults to 3000)") do |opt_port|
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@config.port = opt_port.to_i
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end
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opts.on("-e ENV", "--environment ENV", "Environment [development, production] (defaults to development). Set `production` to boost performance") do |env|
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@config.env = env
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end
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opts.on("-s", "--ssl", "Enables SSL") do
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@ssl_enabled = true
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end
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opts.on("--ssl-key-file FILE", "SSL key file") do |key_file|
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@key_file = key_file
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end
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opts.on("--ssl-cert-file FILE", "SSL certificate file") do |cert_file|
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@cert_file = cert_file
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end
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opts.on("-h", "--help", "Shows this help") do
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puts opts
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exit 0
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end
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end
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end
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def configure_ssl
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if @ssl_enabled
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puts "SSL Key Not Found"; exit unless @key_file
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puts "SSL Certificate Not Found"; exit unless @cert_file
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ssl = Kemal::Middleware::SSL.new
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ssl.set_key_file @key_file.not_nil!
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ssl.set_cert_file @cert_file.not_nil!
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Kemal.config.ssl = ssl.context
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end
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end
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end
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end
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