400 lines
14 KiB
CoffeeScript
400 lines
14 KiB
CoffeeScript
###
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# Copyright 2013, 2014 Zaid Abdulla
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#
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# GenieACS is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# GenieACS is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with GenieACS. If not, see <http://www.gnu.org/licenses/>.
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#
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# This file incorporates work covered by the following copyright and
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# permission notice:
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#
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# Copyright 2013 Fanoos Telecom
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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###
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config = require './config'
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url = require 'url'
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common = require './common'
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db = require './db'
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mongodb = require 'mongodb'
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querystring = require 'querystring'
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query = require './query'
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apiFunctions = require './api-functions'
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presets = require './presets'
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# regular expression objects
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DEVICE_TASKS_REGEX = /^\/devices\/([a-zA-Z0-9\-\_\%]+)\/tasks\/?$/
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TASKS_REGEX = /^\/tasks\/([a-zA-Z0-9\-\_\%]+)(\/[a-zA-Z_]*)?$/
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TAGS_REGEX = /^\/devices\/([a-zA-Z0-9\-\_\%]+)\/tags\/([a-zA-Z0-9\-\_\%]+)\/?$/
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PRESETS_REGEX = /^\/presets\/([a-zA-Z0-9\-\_\%]+)\/?$/
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OBJECTS_REGEX = /^\/objects\/([a-zA-Z0-9\-\_\%]+)\/?$/
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FILES_REGEX = /^\/files\/([a-zA-Z0-9\%\!\*\'\(\)\;\:\@\&\=\+\$\,\?\#\[\]\-\_\.\~]+)\/?$/
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PING_REGEX = /^\/ping\/([a-zA-Z0-9\-\_\.]+)\/?$/
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QUERY_REGEX = /^\/([a-zA-Z0-9_]+s)\/?$/
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DEVICE_PRESET_REGEX = /^\/devices\/([a-zA-Z0-9\-\_\%]+)\/preset\/?$/
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DELETE_DEVICE_REGEX = /^\/devices\/([a-zA-Z0-9\-\_\%]+)\/?$/
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listener = (request, response) ->
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chunks = []
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bytes = 0
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request.addListener 'data', (chunk) ->
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chunks.push(chunk)
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bytes += chunk.length
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request.getBody = () ->
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# Write all chunks into a Buffer
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body = new Buffer(bytes)
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offset = 0
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chunks.forEach((chunk) ->
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chunk.copy(body, offset, 0, chunk.length)
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offset += chunk.length
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)
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return body
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request.addListener 'end', () ->
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body = request.getBody()
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urlParts = url.parse(request.url, true)
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if PRESETS_REGEX.test(urlParts.pathname)
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presetName = querystring.unescape(PRESETS_REGEX.exec(urlParts.pathname)[1])
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if request.method == 'PUT'
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preset = JSON.parse(body)
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preset._id = presetName
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db.presetsCollection.save(preset, (err) ->
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db.redisClient.del('presets', 'presets_hash', (err) ->
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throw err if err
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)
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if err
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response.writeHead(500)
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response.end(err)
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return
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response.writeHead(200)
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response.end()
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)
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else if request.method == 'DELETE'
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db.presetsCollection.remove({'_id' : presetName}, (err, removedCount) ->
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db.redisClient.del('presets', 'presets_hash', (err) ->
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throw err if err
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)
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if err
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response.writeHead(500)
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response.end(err)
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return
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response.writeHead(200)
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response.end()
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)
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else
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response.writeHead 405, {'Allow': 'PUT, DELETE'}
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response.end('405 Method Not Allowed')
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else if OBJECTS_REGEX.test(urlParts.pathname)
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objectName = querystring.unescape(OBJECTS_REGEX.exec(urlParts.pathname)[1])
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if request.method == 'PUT'
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object = JSON.parse(body)
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object._id = objectName
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db.objectsCollection.save(object, (err) ->
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db.redisClient.del('objects', 'presets_hash', (err) ->
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throw err if err
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)
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if err
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response.writeHead(500)
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response.end(err)
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return
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response.writeHead(200)
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response.end()
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)
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else if request.method == 'DELETE'
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db.objectsCollection.remove({'_id' : objectName}, (err, removedCount) ->
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db.redisClient.del('objects', 'presets_hash', (err) ->
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throw err if err
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)
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if err
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response.writeHead(500)
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response.end(err)
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return
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response.writeHead(200)
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response.end()
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)
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else
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response.writeHead 405, {'Allow': 'PUT, DELETE'}
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response.end('405 Method Not Allowed')
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else if TAGS_REGEX.test(urlParts.pathname)
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r = TAGS_REGEX.exec(urlParts.pathname)
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deviceId = querystring.unescape(r[1])
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tag = querystring.unescape(r[2])
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if request.method == 'POST'
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db.devicesCollection.update({'_id' : deviceId}, {'$addToSet' : {'_tags' : tag}}, {safe: true}, (err) ->
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db.redisClient.del("#{deviceId}_presets_hash", (err) ->
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throw err if err
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)
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if err
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response.writeHead(500)
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response.end(err)
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return
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response.writeHead(200)
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response.end()
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)
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else if request.method == 'DELETE'
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db.devicesCollection.update({'_id' : deviceId}, {'$pull' : {'_tags' : tag}}, {safe: true}, (err) ->
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db.redisClient.del("#{deviceId}_presets_hash", (err) ->
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throw err if err
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)
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if err
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response.writeHead(500)
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response.end(err)
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return
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response.writeHead(200)
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response.end()
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)
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else
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response.writeHead 405, {'Allow': 'POST, DELETE'}
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response.end('405 Method Not Allowed')
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else if DEVICE_TASKS_REGEX.test(urlParts.pathname)
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if request.method == 'POST'
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deviceId = querystring.unescape(DEVICE_TASKS_REGEX.exec(urlParts.pathname)[1])
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if body.length
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task = JSON.parse(body)
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task.device = deviceId
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db.getAliases((aliases) ->
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apiFunctions.insertTasks(task, aliases, (err) ->
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db.redisClient.del("#{deviceId}_presets_hash", (err) ->
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throw err if err
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)
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if err
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response.writeHead(500)
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response.end(err)
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return
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if urlParts.query.connection_request?
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apiFunctions.connectionRequest(deviceId, (err) ->
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if err
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response.writeHead(202)
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response.end()
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else
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apiFunctions.watchTask(task._id, config.get('DEVICE_ONLINE_THRESHOLD', deviceId), (err) ->
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if err
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response.writeHead(202)
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response.end()
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return
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response.writeHead(200)
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response.end()
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)
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)
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else
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response.writeHead(202)
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response.end()
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)
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)
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else if urlParts.query.connection_request?
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# no task, send connection request only
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apiFunctions.connectionRequest(deviceId, (err) ->
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if err
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response.writeHead 504
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response.end()
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return
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response.writeHead 200
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response.end()
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)
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else
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response.writeHead(400)
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response.end()
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else
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response.writeHead 405, {'Allow': 'POST'}
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response.end('405 Method Not Allowed')
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else if DEVICE_PRESET_REGEX.test(urlParts.pathname)
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deviceId = querystring.unescape(DEVICE_PRESET_REGEX.exec(urlParts.pathname)[1])
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if request.method is 'GET'
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db.getPresetsObjectsAliases((allPresets, allObjects, allAliases) ->
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presets.getDevicePreset(deviceId, allPresets, allObjects, allAliases, (devicePreset) ->
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response.writeHead(200, {'Content-Type' : 'application/json'})
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response.end(JSON.stringify(devicePreset))
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)
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)
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else
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response.writeHead 405, {'Allow': 'GET'}
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response.end('405 Method Not Allowed')
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else if TASKS_REGEX.test(urlParts.pathname)
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r = TASKS_REGEX.exec(urlParts.pathname)
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taskId = mongodb.ObjectID(querystring.unescape(r[1]))
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action = r[2]
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if not action? or action is '/'
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if request.method == 'DELETE'
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db.tasksCollection.remove({'_id' : taskId}, (err, removedCount) ->
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if err
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response.writeHead(500)
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response.end(err)
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return
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response.writeHead(200)
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response.end()
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)
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else
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response.writeHead 405, {'Allow': 'PUT DELETE'}
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response.end('405 Method Not Allowed')
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else if action is '/retry'
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if request.method == 'POST'
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db.tasksCollection.update({_id : taskId}, {$unset : {fault : 1}, $set : {timestamp : new Date()}}, (err, count) ->
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# TODO need to invalidate presets hash for the device
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response.writeHead(200)
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response.end()
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)
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else
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response.writeHead 405, {'Allow': 'POST'}
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response.end('405 Method Not Allowed')
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else
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response.writeHead(404)
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response.end()
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else if FILES_REGEX.test(urlParts.pathname)
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filename = querystring.unescape(FILES_REGEX.exec(urlParts.pathname)[1])
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if request.method == 'PUT'
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metadata = {
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fileType : request.headers.filetype,
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oui : request.headers.oui,
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productClass : request.headers.productclass,
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version : request.headers.version,
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}
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gs = new mongodb.GridStore(db.mongoDb, filename, 'w', {metadata : metadata})
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gs.open((err, gs) ->
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gs.write(body, (err, res) ->
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throw err if err
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gs.close((err) ->
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throw err if err
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response.writeHead(201)
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response.end()
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)
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)
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)
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else if request.method == 'DELETE'
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mongodb.GridStore.unlink(db.mongoDb, filename, (err) ->
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response.writeHead(200)
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response.end()
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)
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else
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response.writeHead 405, {'Allow': 'PUT, DELETE'}
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response.end('405 Method Not Allowed')
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else if PING_REGEX.test(urlParts.pathname)
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host = querystring.unescape(PING_REGEX.exec(urlParts.pathname)[1])
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require('child_process').exec("ping -w 1 -i 0.2 -c 3 #{host}", (err, stdout, stderr) ->
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if err?
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response.writeHead(404, {'Cache-Control' : 'no-cache'})
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response.end()
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return
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response.writeHead(200, {'Content-Type' : 'text/plain', 'Cache-Control' : 'no-cache'})
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response.end(stdout)
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)
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else if DELETE_DEVICE_REGEX.test(urlParts.pathname)
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if request.method isnt 'DELETE'
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response.writeHead(405, {'Allow' : 'DELETE'})
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response.end('405 Method Not Allowed')
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return
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deviceId = querystring.unescape(DELETE_DEVICE_REGEX.exec(urlParts.pathname)[1])
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apiFunctions.deleteDevice(deviceId, (err) ->
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if err
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response.writeHead(500)
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response.end(err.message)
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return
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response.writeHead(200)
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response.end()
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)
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else if QUERY_REGEX.test(urlParts.pathname)
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collectionName = QUERY_REGEX.exec(urlParts.pathname)[1]
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if request.method not in ['GET', 'HEAD']
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response.writeHead 405, {'Allow' : 'GET, HEAD'}
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response.end('405 Method Not Allowed')
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return
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collection = db["#{collectionName}Collection"]
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if not collection?
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response.writeHead 404
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response.end('404 Not Found')
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return
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func = (aliases) ->
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if urlParts.query.query?
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q = JSON.parse(urlParts.query.query)
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else
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q = {}
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q = query.expand(q, aliases) if collectionName is 'devices'
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q = query.substituteObjectId(q) if collectionName is 'tasks'
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if urlParts.query.projection?
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projection = {}
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for p in urlParts.query.projection.split(',')
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p = p.trim()
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projection[p] = 1
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if collectionName is 'devices'
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for k,v of aliases
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if k == p or common.startsWith(k, "#{p}.")
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projection[a] = 1 for a in v
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cur = collection.find(q, projection, {batchSize : 50})
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if urlParts.query.sort?
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s = JSON.parse(urlParts.query.sort)
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sort = {}
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for k,v of s
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if aliases[k]?
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sort[a] = v for a in aliases[k]
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else
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sort[k] = v
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cur.sort(sort)
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cur.skip(parseInt(urlParts.query.skip)) if urlParts.query.skip?
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cur.limit(parseInt(urlParts.query.limit)) if urlParts.query.limit?
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cur.count((err, total) ->
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response.writeHead(200, {'Content-Type' : 'application/json', 'total' : total})
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if request.method is 'HEAD'
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response.end()
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return
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response.write("[\n")
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i = 0
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cur.each((err, item) ->
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if item is null
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response.end("\n]")
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else
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response.write(",\n") if i++
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apiFunctions.addAliases(item, aliases) if collectionName is 'devices'
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response.write(JSON.stringify(item))
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)
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)
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if collectionName is 'devices'
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db.getAliases((aliases) ->
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func(aliases)
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)
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else
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func({})
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else
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response.writeHead 404
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response.end('404 Not Found')
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exports.listener = listener
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