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106 lines
2.2 KiB
CoffeeScript
106 lines
2.2 KiB
CoffeeScript
###
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Configuration
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=============
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> Loads the configuration file and acts as an interface to it.
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###
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# **Loads Modules:**
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# - Node.js Modules: [fs](http://nodejs.org/api/fs.html) and
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# [path](http://nodejs.org/api/path.html)
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fs = require 'fs'
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path = require 'path'
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###
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Module call
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-----------
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Calling the module as a function will act as a constructor and load the config file.
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It is possible to hand an args object with the properties nolog (true if no outputs shall
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be generated) and configPath for a custom configuration file path.
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@param {Object} args
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###
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exports = module.exports = ( args ) =>
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args = args ? {}
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if args.nolog
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@nolog = true
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if args.configPath
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loadConfigFile args.configPath
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else
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loadConfigFile path.join 'config', 'system.json'
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module.exports
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###
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Tries to load a configuration file from the path relative to this module's parent folder.
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Reads the config file synchronously from the file system and try to parse it.
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@private loadConfigFile
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@param {String} configPath
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###
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loadConfigFile = ( configPath ) =>
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@config = null
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confProperties = [
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'log'
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'http-port'
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'db-port'
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]
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try
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@config = JSON.parse fs.readFileSync path.resolve __dirname, '..', configPath
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@isReady = true
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for prop in confProperties
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if !@config[prop]
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@isReady = false
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if not @isReady and not @nolog
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console.error "Missing property in config file, requires:\n" +
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" - #{ confProperties.join "\n - " }"
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catch e
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@isReady = false
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if not @nolog
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console.error "Failed loading config file: #{ e.message }"
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###
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Fetch a property from the configuration
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@private fetchProp( *prop* )
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@param {String} prop
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###
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exports.fetchProp = ( prop ) => @config?[prop]
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###
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***Returns*** true if the config file is ready, else false
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@public isReady()
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###
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exports.isReady = => @isReady
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###
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***Returns*** the HTTP port
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@public getHttpPort()
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###
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exports.getHttpPort = -> exports.fetchProp 'http-port'
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###
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***Returns*** the DB port*
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@public getDBPort()
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###
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exports.getDbPort = -> exports.fetchProp 'db-port'
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###
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***Returns*** the log conf object
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@public getLogConf()
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###
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exports.getLogConf = -> exports.fetchProp 'log'
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###
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***Returns*** the crypto key
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@public getCryptoKey()
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###
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exports.getKeygenPassphrase = -> exports.fetchProp 'keygen-passphrase'
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