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annotate scripts/minifier/otr/sm-webworker.js @ 37:2abfd0f6fd34

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association: AG extraordinaire du 05/02/2015
author souliane <souliane@mailoo.org>
date Thu, 05 Feb 2015 11:46:12 +0100
parents 1596660ddf72
children
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1596660ddf72 Add minifier script for otr.js and its dependencies
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1 ;(function (root) {
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2 "use strict";
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3
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4 root.OTR = {}
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5 root.crypto = {
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6 randomBytes: function () {
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7 throw new Error("Haven't seeded yet.")
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8 }
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9 }
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10
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11 // default imports
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12 var imports = [
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13 'vendor/salsa20.js'
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14 , 'vendor/bigint.js'
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15 , 'vendor/crypto.js'
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16 , 'vendor/eventemitter.js'
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17 , 'lib/const.js'
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18 , 'lib/helpers.js'
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19 , 'lib/sm.js'
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20 ]
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21
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22 function wrapPostMessage(method) {
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23 return function () {
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24 postMessage({
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25 method: method
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26 , args: Array.prototype.slice.call(arguments, 0)
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27 })
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28 }
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29 }
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30
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31 var sm
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32 onmessage = function (e) {
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33 var data = e.data
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34 switch (data.type) {
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35 case 'seed':
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36 if (data.imports) imports = data.imports
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37 importScripts.apply(root, imports)
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38
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39 // use salsa20 since there's no prng in webworkers
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40 var state = new root.Salsa20(
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41 data.seed.slice(0, 32),
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42 data.seed.slice(32)
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43 )
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44 root.crypto.randomBytes = function (n) {
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45 return state.getBytes(n)
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46 }
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47 break
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48 case 'init':
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49 sm = new root.OTR.SM(data.reqs)
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50 ;['trust','question', 'send', 'abort'].forEach(function (m) {
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51 sm.on(m, wrapPostMessage(m));
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52 })
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53 break
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54 case 'method':
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55 sm[data.method].apply(sm, data.args)
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56 break
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57 }
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58 }
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59
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60 }(this))