220 lines
6.9 KiB
CoffeeScript
220 lines
6.9 KiB
CoffeeScript
libxmljs = require 'libxmljs'
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SERVER_NAME = 'Genie/0.1'
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NAMESPACES = {
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'soap-enc' : 'http://schemas.xmlsoap.org/soap/encoding/',
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'soap-env' : 'http://schemas.xmlsoap.org/soap/envelope/',
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'xsd' : 'http://www.w3.org/2001/XMLSchema',
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'xsi' : 'http://www.w3.org/2001/XMLSchema-instance',
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'cwmp' : 'urn:dslforum-org:cwmp-1-0',
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}
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trim = (str) ->
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str.replace /^\s+|\s+$/g, ''
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cookiesToObj = (cookieLine) ->
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cookies = {}
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for c in trim(cookieLine).split ','
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nv = c.split '='
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continue if nv.length < 2
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cookies[trim(nv[0])] = trim(nv[1])
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return cookies
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cookiesToStr = (obj) ->
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l = []
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for cn, cv of obj
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l.push("#{cn}=#{cv}")
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return l# + 'path=/'
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sessionId = (xml) ->
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e = xml.get('//soap-env:Envelope/soap-env:Header/cwmp:ID', NAMESPACES)
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if e?
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return trim(e.text())
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return undefined
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deviceId = (xml) ->
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e = xml.get('//soap-env:Envelope/soap-env:Body/cwmp:Inform/DeviceId', NAMESPACES)
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if e?
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id = {}
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for n in e.find('//child::*')
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id[n.name()] = trim(n.text())
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return id
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return undefined
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eventCodes = (xml) ->
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(trim(e.text()) for e in xml.find('//soap-env:Envelope/soap-env:Body/cwmp:Inform/Event/EventStruct/EventCode', NAMESPACES))
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retryCount = (xml) ->
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e = xml.get('//soap-env:Envelope/soap-env:Body/cwmp:Inform/RetryCount', NAMESPACES)
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if e
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return JSON.parse(e.text())
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return undefined
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informParameterValues = (xml) ->
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if not xml.get( '//soap-env:Envelope/soap-env:Body/cwmp:Inform/ParameterList', NAMESPACES)
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return undefined
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values = []
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for e in xml.find('//soap-env:Envelope/soap-env:Body/cwmp:Inform/ParameterList/ParameterValueStruct', NAMESPACES)
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valueType = trim(e.get('Value').attr('type').value())
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name = trim(e.get('Name').text())
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switch valueType
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when 'xsd:boolean'
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value = Boolean(JSON.parse(e.get('Value').text()))
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when 'xsd:unsignedInt'
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value = JSON.parse(e.get('Value').text())
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else
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value = trim(e.get('Value').text())
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values.push([name, value])
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return values
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getParameterNamesResponse = (xml) ->
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if not xml.get('//soap-env:Envelope/soap-env:Body/cwmp:GetParameterNamesResponse', NAMESPACES)
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return undefined
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response = []
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for e in xml.find('//soap-env:Envelope/soap-env:Body/cwmp:GetParameterNamesResponse/ParameterList/ParameterInfoStruct', NAMESPACES)
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name = trim(e.get('Name').text())
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writable = Boolean(JSON.parse(e.get('Writable').text()))
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response.push([name, writable])
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return response
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getParameterValuesResponse = (xml) ->
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if not xml.get( '//soap-env:Envelope/soap-env:Body/cwmp:GetParameterValuesResponse', NAMESPACES)
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return undefined
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values = []
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for e in xml.find('//soap-env:Envelope/soap-env:Body/cwmp:GetParameterValuesResponse/ParameterList/ParameterValueStruct', NAMESPACES)
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valueType = trim(e.get('Value').attr('type').value())
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name = trim(e.get('Name').text())
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switch valueType
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when 'xsd:boolean'
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value = Boolean(JSON.parse(e.get('Value').text()))
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when 'xsd:unsignedInt'
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value = JSON.parse(e.get('Value').text())
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else
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value = trim(e.get('Value').text())
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values.push([name, value])
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return values
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setParameterValuesResponse = (xml) ->
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e = xml.get('//soap-env:Envelope/soap-env:Body/cwmp:SetParameterValuesResponse/Status', NAMESPACES)
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if e
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return JSON.parse(e.text())
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return undefined
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fault = (xml) ->
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f = xml.get('//soap-env:Envelope/soap-env:Body/soap-env:Fault', NAMESPACES)
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if f
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traverse = (el) ->
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children = el.childNodes()
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obj = {}
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for n in el.childNodes()
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if n.type() == 'element'
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obj[n.name()] = traverse(n)
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if Object.keys(obj).length == 0
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return el.text()
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else
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return obj
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return traverse(f)
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return undefined
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exports.request = (httpRequest) ->
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cwmpRequest = {cookies: {}}
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cwmpRequest.cookies = cookiesToObj(httpRequest.headers.cookie) if httpRequest.headers.cookie
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data = httpRequest.getBody()
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if +httpRequest.headers['Content-Length'] > 0 || data.length > 0
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try
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xml = libxmljs.parseXml data
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catch err
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# some devices send invalid utf8 characters
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xml = libxmljs.parseXml httpRequest.getBody('binary')
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cwmpRequest.sessionId = sessionId xml
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cwmpRequest.inform = true if xml.get('//soap-env:Envelope/soap-env:Body/cwmp:Inform', NAMESPACES)
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cwmpRequest.informParameterValues = informParameterValues xml
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cwmpRequest.reboot = true if xml.get('//soap-env:Envelope/soap-env:Body/cwmp:RebootResponse', NAMESPACES)
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cwmpRequest.deviceId = deviceId xml
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cwmpRequest.eventCodes = eventCodes xml
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cwmpRequest.retryCount = retryCount xml
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cwmpRequest.getParameterNamesResponse = getParameterNamesResponse xml
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cwmpRequest.getParameterValuesResponse = getParameterValuesResponse xml
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cwmpRequest.setParameterValuesResponse = setParameterValuesResponse xml
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cwmpRequest.fault = fault xml
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return cwmpRequest
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exports.response = (sessionId, cwmpResponse, cookies = null) ->
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headers = {
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'Content-Type' : 'text/xml; charset="utf-8"',
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'Server' : SERVER_NAME,
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'SOAPServer' : SERVER_NAME,
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}
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if cookies? and Object.keys(cookies).length > 0
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headers['Set-Cookie'] = cookiesToStr(cookies)
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if cwmpResponse is null or Object.keys(cwmpResponse).length == 0
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#console.log '>>> EMPTY RESPONSE'
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# send empty response
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headers['Content-Length'] = 0
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return {code: 204, headers: headers, data: ''}
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xml = libxmljs.Document()
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env = xml.node('soap-env:Envelope')
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for prefix, url of NAMESPACES
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env.defineNamespace prefix, url
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header = env.node('soap-env:Header')
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header.node('cwmp:ID').attr({'soap-env:mustUnderstand' : 1}).text(sessionId)
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#header.node('cwmp:NoMoreRequests').text(0) # depracated
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body = env.node('soap-env:Body')
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if cwmpResponse.inform
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body.node('cwmp:InformResponse').node('MaxEnvelopes').text(1)
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if cwmpResponse.getParameterNames?
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getParameterNames = body.node('cwmp:GetParameterNames')
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getParameterNames.node('cwmp:ParameterPath').text(cwmpResponse.getParameterNames[0])
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getParameterNames.node('cwmp:NextLevel').text(+cwmpResponse.getParameterNames[1])
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if cwmpResponse.getParameterValues?
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parameterNames = body.node('cwmp:GetParameterValues').node('cwmp:ParameterNames')
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for p in cwmpResponse.getParameterValues
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parameterNames.node('xsd:string').text(p)
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if cwmpResponse.setParameterValues?
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setParameterValuesNode = body.node('cwmp:SetParameterValues')
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parameterList = setParameterValuesNode.node('ParameterList')
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for i in cwmpResponse.setParameterValues
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pvs = parameterList.node('ParameterValueStruct')
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pvs.node('Name').text(i[0])
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pvs.node('Value').text(i[1])
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setParameterValuesNode.node('ParameterKey')
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if cwmpResponse.reboot?
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body.node('cwmp:Reboot').node('CommandKey').text(cwmpResponse.reboot)
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data = xml.toString()
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headers['Content-Length'] = data.length
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return {code: 200, headers: headers, data: data}
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