UNPKG

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6 <title>Code coverage report for src/index.ts</title>
7 <meta charset="utf-8" />
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21 <div class='pad1'>
22 <h1><a href="../index.html">All files</a> / <a href="index.html">src</a> index.ts</h1>
23 <div class='clearfix'>
24
25 <div class='fl pad1y space-right2'>
26 <span class="strong">0% </span>
27 <span class="quiet">Statements</span>
28 <span class='fraction'>0/73</span>
29 </div>
30
31
32 <div class='fl pad1y space-right2'>
33 <span class="strong">0% </span>
34 <span class="quiet">Branches</span>
35 <span class='fraction'>0/47</span>
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38
39 <div class='fl pad1y space-right2'>
40 <span class="strong">0% </span>
41 <span class="quiet">Functions</span>
42 <span class='fraction'>0/17</span>
43 </div>
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45
46 <div class='fl pad1y space-right2'>
47 <span class="strong">0% </span>
48 <span class="quiet">Lines</span>
49 <span class='fraction'>0/65</span>
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51
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53 </div>
54 <p class="quiet">
55 Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
56 </p>
57 </div>
58 <div class='status-line low'></div>
59 <pre><table class="coverage">
60<tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a>
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70<a name='L11'></a><a href='#L11'>11</a>
71<a name='L12'></a><a href='#L12'>12</a>
72<a name='L13'></a><a href='#L13'>13</a>
73<a name='L14'></a><a href='#L14'>14</a>
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420<a name='L361'></a><a href='#L361'>361</a>
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783<span class="cline-any cline-neutral">&nbsp;</span>
784<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">import { CharSize } from 'keystore-idb/types'
785import localforage from 'localforage'
786import utils from 'keystore-idb/utils'
787&nbsp;
788import * as common from './common'
789import * as identifiers from './common/identifiers'
790import * as keystore from './keystore'
791import * as ucan from './ucan/internal'
792import * as ucanPermissions from './ucan/permissions'
793&nbsp;
794import { USERNAME_STORAGE_KEY, Maybe } from './common'
795import { Permissions } from './ucan/permissions'
796import { loadFileSystem } from './filesystem'
797&nbsp;
798import FileSystem from './fs'
799import fsClass from './fs'
800&nbsp;
801&nbsp;
802// SCENARIO
803&nbsp;
804&nbsp;
805export enum Scenario {
806 NotAuthorised = "NOT_AUTHORISED",
807 AuthSucceeded = "AUTH_SUCCEEDED",
808 AuthCancelled = "AUTH_CANCELLED",
809 Continuation = "CONTINUATION"
810}
811&nbsp;
812&nbsp;
813&nbsp;
814// STATE
815&nbsp;
816&nbsp;
817export type State
818 = NotAuthorised
819 | AuthSucceeded
820 | AuthCancelled
821 | Continuation
822&nbsp;
823export type NotAuthorised = {
824 scenario: Scenario.NotAuthorised
825 permissions: Maybe&lt;Permissions&gt;
826&nbsp;
827 authenticated: false
828}
829&nbsp;
830export type AuthSucceeded = {
831 scenario: Scenario.AuthSucceeded
832 permissions: Maybe&lt;Permissions&gt;
833&nbsp;
834 authenticated: true
835 newUser: boolean
836 throughLobby: true
837 username: string
838&nbsp;
839 fs?: FileSystem
840}
841&nbsp;
842export type AuthCancelled = {
843 scenario: Scenario.AuthCancelled
844 permissions: Maybe&lt;Permissions&gt;
845&nbsp;
846 authenticated: false
847 cancellationReason: string
848 throughLobby: true
849}
850&nbsp;
851export type Continuation = {
852 scenario: Scenario.Continuation
853 permissions: Maybe&lt;Permissions&gt;
854&nbsp;
855 authenticated: true
856 newUser: false,
857 throughLobby: false
858 username: string
859&nbsp;
860 fs?: FileSystem
861}
862&nbsp;
863&nbsp;
864&nbsp;
865// ERRORS
866&nbsp;
867&nbsp;
868/**
869 * Initialisation error
870 */
871 export enum InitialisationError {
872 InsecureContext = "INSECURE_CONTEXT",
873 UnsupportedBrowser = "UNSUPPORTED_BROWSER"
874 }
875&nbsp;
876&nbsp;
877&nbsp;
878// INTIALISE
879&nbsp;
880&nbsp;
881/**
882 * Check if we're authenticated, process any lobby query-parameters present in the URL,
883 * and initiate the user's file system if authenticated (can be disabled).
884 *
885 * See `loadFileSystem` if you want to load the user's file system yourself.
886 * NOTE: Only works on the main/ui thread, as it uses `window.location`.
887 */
888export async function <span class="fstat-no" title="function not covered" >initialise(</span>
889 options: {
890 permissions?: Permissions
891&nbsp;
892 // Options
893 autoRemoveUrlParams?: boolean
894 loadFileSystem?: boolean
895 rootKey?: string
896 }
897): Promise&lt;State&gt; {
898<span class="cstat-no" title="statement not covered" > options = options || {}</span>
899&nbsp;
900 const permissions = <span class="cstat-no" title="statement not covered" >options.permissions || null</span>
901 const { autoRemoveUrlParams = <span class="branch-0 cbranch-no" title="branch not covered" >true,</span> rootKey } = <span class="cstat-no" title="statement not covered" >options</span>
902 const { app, fs } = <span class="cstat-no" title="statement not covered" >permissions || {}</span>
903&nbsp;
904 const maybeLoadFs = <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >as</span>ync (username: string): Promise&lt;undefined | FileSystem&gt; =&gt; {</span>
905<span class="cstat-no" title="statement not covered" > return options.loadFileSystem === false</span>
906 ? undefined
907 : await loadFileSystem(permissions, username, rootKey)
908 }
909&nbsp;
910 // Check if browser is supported
911<span class="cstat-no" title="statement not covered" > if (globalThis.isSecureContext === false) <span class="cstat-no" title="statement not covered" >throw InitialisationError.InsecureContext</span></span>
912<span class="cstat-no" title="statement not covered" > if (await isSupported() === false) <span class="cstat-no" title="statement not covered" >throw InitialisationError.UnsupportedBrowser</span></span>
913&nbsp;
914 // URL things
915 const url = <span class="cstat-no" title="statement not covered" >new URL(window.location.href)</span>
916 const cancellation = <span class="cstat-no" title="statement not covered" >url.searchParams.get("cancelled")</span>
917 const ucans = <span class="cstat-no" title="statement not covered" >url.searchParams.get("ucans")</span>
918&nbsp;
919 // Add UCANs to the storage
920<span class="cstat-no" title="statement not covered" > await ucan.store(ucans ? ucans.split(",") : [])</span>
921&nbsp;
922 // Determine scenario
923<span class="cstat-no" title="statement not covered" > if (ucans) {</span>
924 const newUser = <span class="cstat-no" title="statement not covered" >url.searchParams.get("newUser") === "t"</span>
925 const username = <span class="cstat-no" title="statement not covered" >url.searchParams.get("username") || ""</span>
926 const classifiedParam = <span class="cstat-no" title="statement not covered" >url.searchParams.get("classified")</span>
927&nbsp;
928<span class="cstat-no" title="statement not covered" > await importClassifiedInfo(classifiedParam)</span>
929<span class="cstat-no" title="statement not covered" > await localforage.setItem(USERNAME_STORAGE_KEY, username)</span>
930&nbsp;
931<span class="cstat-no" title="statement not covered" > if (autoRemoveUrlParams) {</span>
932<span class="cstat-no" title="statement not covered" > url.searchParams.delete("classified")</span>
933<span class="cstat-no" title="statement not covered" > url.searchParams.delete("newUser")</span>
934<span class="cstat-no" title="statement not covered" > url.searchParams.delete("ucans")</span>
935<span class="cstat-no" title="statement not covered" > url.searchParams.delete("username")</span>
936<span class="cstat-no" title="statement not covered" > history.replaceState(null, document.title, url.toString())</span>
937 }
938&nbsp;
939<span class="cstat-no" title="statement not covered" > if (permissions &amp;&amp; await validateSecrets(permissions) === false) {</span>
940<span class="cstat-no" title="statement not covered" > return scenarioNotAuthorised(permissions)</span>
941 }
942&nbsp;
943<span class="cstat-no" title="statement not covered" > if (permissions &amp;&amp; ucan.validatePermissions(permissions, username) === false) {</span>
944<span class="cstat-no" title="statement not covered" > return scenarioNotAuthorised(permissions)</span>
945 }
946&nbsp;
947<span class="cstat-no" title="statement not covered" > return scenarioAuthSucceeded(</span>
948 permissions,
949 newUser,
950 username,
951 await maybeLoadFs(username)
952 )
953&nbsp;
954 } else <span class="cstat-no" title="statement not covered" >if (cancellation) {</span>
955 const c = <span class="cstat-no" title="statement not covered" >(<span class="fstat-no" title="function not covered" >_ </span>=&gt; { <span class="cstat-no" title="statement not covered" >switch (cancellation) {</span></span>
956 case "DENIED": <span class="cstat-no" title="statement not covered" >return "User denied authorisation"</span>
957 default: <span class="cstat-no" title="statement not covered" >return "Unknown reason"</span>
958 }})()
959&nbsp;
960<span class="cstat-no" title="statement not covered" > return scenarioAuthCancelled(permissions, c)</span>
961&nbsp;
962 }
963&nbsp;
964 const authedUsername = <span class="cstat-no" title="statement not covered" >await common.authenticatedUsername()</span>
965&nbsp;
966<span class="cstat-no" title="statement not covered" > return (</span>
967 authedUsername &amp;&amp;
968 (permissions ? ucan.validatePermissions(permissions, authedUsername) : true)
969 )
970 ? scenarioContinuation(permissions, authedUsername, await maybeLoadFs(authedUsername))
971 : scenarioNotAuthorised(permissions)
972}
973&nbsp;
974&nbsp;
975/**
976 * Alias for `initialise`.
977 */
978export { initialise as initialize }
979&nbsp;
980&nbsp;
981&nbsp;
982// SUPPORTED
983&nbsp;
984&nbsp;
985export async function <span class="fstat-no" title="function not covered" >isSupported(</span>): Promise&lt;boolean&gt; {
986<span class="cstat-no" title="statement not covered" > return localforage.supports(localforage.INDEXEDDB)</span>
987&nbsp;
988 // Firefox in private mode can't use indexedDB properly,
989 // so we test if we can actually make a database.
990 &amp;&amp; await (<span class="fstat-no" title="function not covered" >()</span> =&gt; <span class="cstat-no" title="statement not covered" >new Promise(<span class="fstat-no" title="function not covered" >re</span>solve =&gt; {</span>
991 const db = <span class="cstat-no" title="statement not covered" >indexedDB.open("testDatabase")</span>
992<span class="cstat-no" title="statement not covered" > db.onsuccess = <span class="fstat-no" title="function not covered" >()</span> =&gt; <span class="cstat-no" title="statement not covered" >resolve(true)</span></span>
993<span class="cstat-no" title="statement not covered" > db.onerror = <span class="fstat-no" title="function not covered" >()</span> =&gt; <span class="cstat-no" title="statement not covered" >resolve(false)</span></span>
994 }))() as boolean
995}
996&nbsp;
997&nbsp;
998&nbsp;
999// EXPORT
1000&nbsp;
1001&nbsp;
1002export * from './auth'
1003export * from './filesystem'
1004&nbsp;
1005export const fs = <span class="cstat-no" title="statement not covered" >fsClass</span>
1006&nbsp;
1007export * as apps from './apps'
1008export * as dataRoot from './data-root'
1009export * as did from './did'
1010export * as errors from './errors'
1011export * as lobby from './lobby'
1012export * as setup from './setup'
1013export * as ucan from './ucan'
1014&nbsp;
1015export * as dns from './dns'
1016export * as ipfs from './ipfs'
1017export * as keystore from './keystore'
1018&nbsp;
1019&nbsp;
1020&nbsp;
1021// ㊙️ ⚛ SCENARIOS
1022&nbsp;
1023&nbsp;
1024function <span class="fstat-no" title="function not covered" >scenarioAuthSucceeded(</span>
1025 permissions: Maybe&lt;Permissions&gt;,
1026 newUser: boolean,
1027 username: string,
1028 fs: FileSystem | undefined
1029): AuthSucceeded {
1030<span class="cstat-no" title="statement not covered" > return {</span>
1031 scenario: Scenario.AuthSucceeded,
1032 permissions,
1033&nbsp;
1034 authenticated: true,
1035 throughLobby: true,
1036 fs,
1037 newUser,
1038 username
1039 }
1040}
1041&nbsp;
1042function <span class="fstat-no" title="function not covered" >scenarioAuthCancelled(</span>
1043 permissions: Maybe&lt;Permissions&gt;,
1044 cancellationReason: string
1045): AuthCancelled {
1046<span class="cstat-no" title="statement not covered" > return {</span>
1047 scenario: Scenario.AuthCancelled,
1048 permissions,
1049&nbsp;
1050 authenticated: false,
1051 throughLobby: true,
1052 cancellationReason
1053 }
1054}
1055&nbsp;
1056function <span class="fstat-no" title="function not covered" >scenarioContinuation(</span>
1057 permissions: Maybe&lt;Permissions&gt;,
1058 username: string,
1059 fs: FileSystem | undefined
1060): Continuation {
1061<span class="cstat-no" title="statement not covered" > return {</span>
1062 scenario: Scenario.Continuation,
1063 permissions,
1064&nbsp;
1065 authenticated: true,
1066 newUser: false,
1067 throughLobby: false,
1068 fs,
1069 username
1070 }
1071}
1072&nbsp;
1073function <span class="fstat-no" title="function not covered" >scenarioNotAuthorised(</span>
1074 permissions: Maybe&lt;Permissions&gt;
1075): NotAuthorised {
1076<span class="cstat-no" title="statement not covered" > return {</span>
1077 scenario: Scenario.NotAuthorised,
1078 permissions,
1079&nbsp;
1080 authenticated: false
1081 }
1082}
1083&nbsp;
1084&nbsp;
1085&nbsp;
1086// ㊙️
1087&nbsp;
1088&nbsp;
1089async function <span class="fstat-no" title="function not covered" >importClassifiedInfo(</span>
1090 classifiedParam: Maybe&lt;string&gt;
1091): Promise&lt;void&gt; {
1092<span class="cstat-no" title="statement not covered" > if (!classifiedParam) <span class="cstat-no" title="statement not covered" >return</span></span>
1093&nbsp;
1094 const ks = <span class="cstat-no" title="statement not covered" >await keystore.get()</span>
1095 const classifiedInfo = <span class="cstat-no" title="statement not covered" >JSON.parse(common.base64.urlDecode(classifiedParam))</span>
1096&nbsp;
1097 // Extract session key and its iv
1098 const iv = <span class="cstat-no" title="statement not covered" >utils.base64ToArrBuf(classifiedInfo.iv)</span>
1099 const rawSessionKey = <span class="cstat-no" title="statement not covered" >await ks.decrypt(classifiedInfo.sessionKey)</span>
1100 const sessionKey = <span class="cstat-no" title="statement not covered" >await crypto.subtle.importKey(</span>
1101 "raw",
1102 utils.base64ToArrBuf(rawSessionKey),
1103 "AES-GCM",
1104 false,
1105 [ "encrypt", "decrypt" ]
1106 )
1107&nbsp;
1108 // Decrypt secrets
1109 const secrets: Record&lt;string, { key: string, bareNameFilter: string }&gt; =
1110<span class="cstat-no" title="statement not covered" > JSON.parse(utils.arrBufToStr(await crypto.subtle.decrypt(</span>
1111 {
1112 name: "AES-GCM",
1113 iv: iv
1114 },
1115 sessionKey,
1116 utils.base64ToArrBuf(classifiedInfo.secrets)
1117 ), CharSize.B8))
1118&nbsp;
1119 // Import read keys and bare name filters
1120<span class="cstat-no" title="statement not covered" > await Promise.all(</span>
1121 Object.entries(secrets).map(<span class="fstat-no" title="function not covered" >as</span>ync ([ path, { bareNameFilter, key } ]) =&gt; {
1122 const readKeyId = <span class="cstat-no" title="statement not covered" >await identifiers.readKey({ path })</span>
1123 const bareNameFilterId = <span class="cstat-no" title="statement not covered" >await identifiers.bareNameFilter({ path })</span>
1124&nbsp;
1125<span class="cstat-no" title="statement not covered" > await ks.importSymmKey(key, readKeyId)</span>
1126<span class="cstat-no" title="statement not covered" > await localforage.setItem(bareNameFilterId, bareNameFilter)</span>
1127 })
1128 )
1129}
1130&nbsp;
1131&nbsp;
1132async function <span class="fstat-no" title="function not covered" >validateSecrets(</span>permissions: Permissions): Promise&lt;boolean&gt; {
1133 const ks = <span class="cstat-no" title="statement not covered" >await keystore.get()</span>
1134&nbsp;
1135<span class="cstat-no" title="statement not covered" > return ucanPermissions.paths(permissions).reduce(</span>
1136<span class="fstat-no" title="function not covered" > (a</span>cc, path) =&gt; <span class="cstat-no" title="statement not covered" >acc.then(<span class="fstat-no" title="function not covered" >as</span>ync bool =&gt; {</span>
1137<span class="cstat-no" title="statement not covered" > if (bool === false) <span class="cstat-no" title="statement not covered" >return bool</span></span>
1138<span class="cstat-no" title="statement not covered" > if (path.startsWith('/public')) <span class="cstat-no" title="statement not covered" >return true</span></span>
1139&nbsp;
1140 const keyName = <span class="cstat-no" title="statement not covered" >await identifiers.readKey({ path })</span>
1141<span class="cstat-no" title="statement not covered" > return await ks.keyExists(keyName)</span>
1142 }),
1143 Promise.resolve(true)
1144 )
1145}
1146&nbsp;</pre></td></tr></table></pre>
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1153 at Fri Mar 12 2021 16:29:42 GMT+0100 (Central European Standard Time)
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