add QR scanner for adding a contact

package.json

@@ -52,6 +52,7 @@
     "vue": "^3.3.4",
     "vue-axios": "^3.5.2",
     "vue-facing-decorator": "^2.1.20",
+    "vue-qrcode-reader": "^5.3.4",
     "vue-router": "^4.2.3",
     "web-did-resolver": "^2.0.27"
   },

project.task.yaml

@@ -8,6 +8,7 @@ tasks:
 - 40 notifications :
   - push, where we trigger a ServiceWorker(?) in the app to reach out and check for new data assignee:matthew
 
+- .2 Rename repo to crowd-sourcing...
 - 01 Replace Gifted/Give in ContactsView with GiftedDialog assignee:matthew
 
 - 01 fix the Discovery map display to not show on top of bottom icons (and any other UI tweaks on the map flow) assignee-group:ui
@@ -27,6 +28,7 @@ tasks:
 
 - 24 Move to Vite assignee:matthew
 
+- .5 Allow edit of a contact name (but not the DID)
 - .2 Edit Plan does not have icons across the bottom assignee-group:ui
 - .5 include the hash of the latest commit, and maybe a version
 - .5 add link to further project / people when a project pays ahead
@@ -38,6 +40,7 @@ tasks:
 - .2 fix rate limit verbiage (with the new one-per-day allowance) assignee:trent
 - .1 remove the logic to exclude beforeId in list of plans after server has commit 26b25af605e715600d4f12b6416ed9fd7142d164
 - .2 in SeedBackupView, don't load the mnemonic and keep it in memory; only load it when they click "show"
+- .1 change default server in app.ts
 
 - Discuss whether the remaining tasks are worthwhile before MVP release.
 

src/constants/app.ts

@@ -1,8 +1,10 @@
 /**
  * Generic strings that could be used throughout the app.
+ *
+ * See also ../libs/veramo/setup.ts
  */
 export enum AppString {
-  APP_NAME = "Kick-Start with Time",
+  APP_NAME = "Time Safari",
 
   PROD_ENDORSER_API_SERVER = "https://api.endorser.ch",
   TEST_ENDORSER_API_SERVER = "https://test-api.endorser.ch",
@@ -10,3 +12,13 @@ export enum AppString {
 
   DEFAULT_ENDORSER_API_SERVER = TEST_ENDORSER_API_SERVER,
 }
+
+/**
+ * See notiwind package
+ */
+export interface NotificationIface {
+  group: string;
+  type: string; // "toast" | "info" | "success" | "warning" | "danger"
+  title: string;
+  text: string;
+}

src/db/tables/contacts.ts

@@ -7,5 +7,5 @@ export interface Contact {
 }
 
 export const ContactsSchema = {
-  contacts: "++did, name, publicKeyBase64, registered, seesMe",
+  contacts: "&did, name, publicKeyBase64, registered, seesMe",
 };

src/libs/crypto/index.ts

@@ -1,5 +1,4 @@
 import { IIdentifier } from "@veramo/core";
-import { DEFAULT_DID_PROVIDER_NAME } from "../veramo/setup";
 import { getRandomBytesSync } from "ethereum-cryptography/random";
 import { entropyToMnemonic } from "ethereum-cryptography/bip39";
 import { wordlist } from "ethereum-cryptography/bip39/wordlists/english";
@@ -7,6 +6,9 @@ import { HDNode } from "@ethersproject/hdnode";
 import * as didJwt from "did-jwt";
 import * as u8a from "uint8arrays";
 
+import { ENDORSER_JWT_URL_LOCATION } from "@/libs/endorserServer";
+import { DEFAULT_DID_PROVIDER_NAME } from "../veramo/setup";
+
 export const DEFAULT_ROOT_DERIVATION_PATH = "m/76798669'/0'/0'/0'";
 
 /**
@@ -150,3 +152,24 @@ export function fromJose(signature: string): {
 export function bytesToHex(b: Uint8Array): string {
   return u8a.toString(b, "base16");
 }
+
+/**
+ @return results of uportJwtPayload:
+ { iat: number, iss: string (DID), own: { name, publicEncKey (base64-encoded key) } }
+
+ Note that similar code is also contained in time-safari
+ */
+export const getContactPayloadFromJwtUrl = (jwtUrlText: string) => {
+  let jwtText = jwtUrlText;
+  const endorserContextLoc = jwtText.indexOf(ENDORSER_JWT_URL_LOCATION);
+  if (endorserContextLoc > -1) {
+    jwtText = jwtText.substring(
+      endorserContextLoc + ENDORSER_JWT_URL_LOCATION.length,
+    );
+  }
+
+  // JWT format: { header, payload, signature, data }
+  const jwt = didJwt.decodeJWT(jwtText);
+
+  return jwt.payload;
+};

src/libs/endorserServer.ts

@@ -6,7 +6,12 @@ import { Axios, AxiosResponse } from "axios";
 import { Contact } from "@/db/tables/contacts";
 
 export const SCHEMA_ORG_CONTEXT = "https://schema.org";
+// the object in RegisterAction claims
 export const SERVICE_ID = "endorser.ch";
+// the prefix for the contact URL
+export const CONTACT_URL_PREFIX = "https://endorser.ch";
+// the suffix for the contact URL
+export const ENDORSER_JWT_URL_LOCATION = "/contact?jwt=";
 
 export interface AgreeVerifiableCredential {
   "@context": string;

src/libs/veramo/setup.ts

@@ -1,151 +1,7 @@
-// Created from the setup in https://veramo.io/docs/guides/react_native
+// see also ../constants/app.ts and
 
-// Core interfaces
-/* import {
-  createAgent,
-  IDIDManager,
-  IResolver,
-  IDataStore,
-  IKeyManager,
-} from "@veramo/core";
- */
-// Core identity manager plugin
-//import { DIDManager } from "@veramo/did-manager";
-
-// Ethr did identity provider
-//import { EthrDIDProvider } from "@veramo/did-provider-ethr";
-
-// Core key manager plugin
-//import { KeyManager } from "@veramo/key-manager";
-
-// Custom key management system for RN
-//import { KeyManagementSystem } from '@veramo/kms-local-react-native'
-
-// Custom resolver
-// Custom resolvers
-//import { DIDResolverPlugin } from "@veramo/did-resolver";
-/* import { Resolver } from "did-resolver";
-import { getResolver as ethrDidResolver } from "ethr-did-resolver";
-import { getResolver as webDidResolver } from "web-did-resolver";
- */
-// for VCs and VPs https://veramo.io/docs/api/credential-w3c
-//import { CredentialIssuer } from '@veramo/credential-w3c'
-
-// Storage plugin using TypeOrm
-/* import {
-  Entities,
-  KeyStore,
-  DIDStore,
-  IDataStoreORM,
-} from "@veramo/data-store";
- */
-// TypeORM is installed with @veramo/typeorm
-//import { createConnection } from 'typeorm'
-
-//import * as R from "ramda";
-
-/*
-import { Contact } from '../entity/contact'
-import { Settings } from '../entity/settings'
-import { PrivateData } from '../entity/privateData'
-
-import { Initial1616938713828 }          from '../migration/1616938713828-initial'
-import { SettingsContacts1616967972293 } from '../migration/1616967972293-settings-contacts'
-import { EncryptedSeed1637856484788 }    from '../migration/1637856484788-EncryptedSeed'
-import { HomeScreenConfig1639947962124 } from '../migration/1639947962124-HomeScreenConfig'
-import { HandlePublicKeys1652142819353 } from '../migration/1652142819353-HandlePublicKeys'
-import { LastClaimsSeen1656811846836 }   from '../migration/1656811846836-LastClaimsSeen'
-import { ContactRegistered1662256903367 }from '../migration/1662256903367-ContactRegistered'
-import { PrivateData1663080623479 }      from '../migration/1663080623479-PrivateData'
-
-const ALL_ENTITIES = Entities.concat([Contact, Settings, PrivateData])
-
-// Create react native DB connection configured by ormconfig.js
-
-export const dbConnection = createConnection({
-  database: 'endorser-mobile.sqlite',
-  entities: ALL_ENTITIES,
-  location: 'default',
-  logging: ['error', 'info', 'warn'],
-  migrations: [ Initial1616938713828, SettingsContacts1616967972293, EncryptedSeed1637856484788, HomeScreenConfig1639947962124, HandlePublicKeys1652142819353, LastClaimsSeen1656811846836, ContactRegistered1662256903367, PrivateData1663080623479 ],
-  migrationsRun: true,
-  type: 'react-native',
-})
-*/
 function didProviderName(netName: string) {
   return "did:ethr" + (netName === "mainnet" ? "" : ":" + netName);
 }
 
-//const NETWORK_NAMES = ["mainnet", "rinkeby"];
-
-const DEFAULT_DID_PROVIDER_NETWORK_NAME = "mainnet";
-
-export const DEFAULT_DID_PROVIDER_NAME = didProviderName(
-  DEFAULT_DID_PROVIDER_NETWORK_NAME,
-);
-
-export const HANDY_APP = false;
-
-// this is used as the object in RegisterAction claims
-export const SERVICE_ID = "endorser.ch";
-
-//const INFURA_PROJECT_ID = "INFURA_PROJECT_ID";
-/*
-const providers = {}
-NETWORK_NAMES.forEach((networkName) => {
-  providers[didProviderName(networkName)] = new EthrDIDProvider({
-    defaultKms: 'local',
-    network: networkName,
-    rpcUrl: 'https://' + networkName + '.infura.io/v3/' + INFURA_PROJECT_ID,
-    gas: 1000001,
-    ttl: 60 * 60 * 24 * 30 * 12 + 1,
-  })
-})
-
-
-const didManager = new DIDManager({
-  store: new DIDStore(dbConnection),
-  defaultProvider: DEFAULT_DID_PROVIDER_NAME,
-  providers: providers,
-})
-*/
-
-/* const basicDidResolvers = NETWORK_NAMES.map((networkName) => [
-  networkName,
-  new Resolver({
-    ethr: ethrDidResolver({
-      networks: [
-        {
-          name: networkName,
-          rpcUrl:
-            "https://" + networkName + ".infura.io/v3/" + INFURA_PROJECT_ID,
-        },
-      ],
-    }).ethr,
-    web: webDidResolver().web,
-  }),
-]);
-
-const basicResolverMap = R.fromPairs(basicDidResolvers)
-
-export const DEFAULT_BASIC_RESOLVER = basicResolverMap[DEFAULT_DID_PROVIDER_NETWORK_NAME]
-
-const agentDidResolvers = NETWORK_NAMES.map((networkName) => {
-  return new DIDResolverPlugin({
-    resolver: basicResolverMap[networkName],
-  })
-})
-
-let allPlugins = [
-  new CredentialIssuer(),
-  new KeyManager({
-    store: new KeyStore(dbConnection),
-    kms: {
-      local: new KeyManagementSystem(),
-    },
-  }),
-  didManager,
-].concat(agentDidResolvers)
-*/
-
-//export const agent = createAgent<IDIDManager & IKeyManager & IDataStore & IDataStoreORM & IResolver>({ plugins: allPlugins })
+export const DEFAULT_DID_PROVIDER_NAME = didProviderName("mainnet");

src/test/index.ts

@@ -2,7 +2,7 @@ import axios from "axios";
 import * as didJwt from "did-jwt";
 import { AppString } from "@/constants/app";
 import { db } from "../db";
-import { SERVICE_ID } from "../libs/veramo/setup";
+import { SERVICE_ID } from "../libs/endorserServer";
 import { deriveAddress, newIdentifier } from "../libs/crypto";
 import { MASTER_SETTINGS_KEY } from "@/db/tables/settings";
 

src/views/ContactQRScanShowView.vue

@@ -3,7 +3,7 @@
   <!-- CONTENT -->
   <section id="Content" class="p-6 pb-24">
     <!-- Heading -->
-    <h1 id="ViewHeading" class="text-4xl text-center font-light pt-4 mb-8">
+    <h1 id="ViewHeading" class="text-4xl text-center font-light pt-4">
       Your Contact Info
     </h1>
 
@@ -17,12 +17,17 @@
       :dotsOptions="{ type: 'square' }"
       class="flex justify-center"
     />
+
+    <h1 class="text-4xl text-center font-light pt-4">Scan Contact Info</h1>
+    <qrcode-stream @detect="onScanDetect" @error="onScanError" />
   </section>
 </template>
 
 <script lang="ts">
 import QRCodeVue3 from "qr-code-generator-vue3";
 import { Component, Vue } from "vue-facing-decorator";
+import { QrcodeStream } from "vue-qrcode-reader";
+
 import { accountsDB, db } from "@/db/index";
 import { MASTER_SETTINGS_KEY } from "@/db/tables/settings";
 import * as R from "ramda";
@@ -30,6 +35,10 @@ import { SimpleSigner } from "@/libs/crypto";
 import * as didJwt from "did-jwt";
 import QuickNav from "@/components/QuickNav.vue";
 import { Account } from "@/db/tables/accounts";
+import {
+  CONTACT_URL_PREFIX,
+  ENDORSER_JWT_URL_LOCATION,
+} from "@/libs/endorserServer";
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const Buffer = require("buffer/").Buffer;
@@ -43,6 +52,7 @@ interface Notification {
 
 @Component({
   components: {
+    QrcodeStream,
     QRCodeVue3,
     QuickNav,
   },
@@ -112,9 +122,47 @@ export default class ContactQRScanShow extends Vue {
         issuer: identity.did,
         signer: signer,
       });
-      const viewPrefix = "https://endorser.ch/contact?jwt=";
+      const viewPrefix = CONTACT_URL_PREFIX + ENDORSER_JWT_URL_LOCATION;
       this.qrValue = viewPrefix + vcJwt;
     }
   }
+
+  /**
+   *
+   * @param content is the result of a QR scan, an array with one item with a rawValue property
+   */
+  // Unfortunately, there are not typescript definitions for the qrcode-stream component yet.
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  onScanDetect(content: any) {
+    if (content[0]?.rawValue) {
+      console.log("onDetect", content[0].rawValue);
+      localStorage.setItem("contactEndorserUrl", content[0].rawValue);
+      this.$router.push({ name: "contacts" });
+    } else {
+      this.$notify(
+        {
+          group: "alert",
+          type: "warning",
+          title: "Invalid Contact QR Code",
+          text: "No QR code detected with contact information.",
+        },
+        -1,
+      );
+    }
+  }
+
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  onScanError(error: any) {
+    console.log("Scan was invalid:", error);
+    this.$notify(
+      {
+        group: "alert",
+        type: "warning",
+        title: "Invalid Scan",
+        text: "The scan was invalid.",
+      },
+      -1,
+    );
+  }
 }
 </script>

src/views/ContactsView.vue

@@ -20,6 +20,11 @@
 
     <!-- New Contact -->
     <div class="mb-4 flex">
+      <span class="self-center bg-slate-500 text-white px-1.5 py-1 rounded-md">
+        <router-link :to="{ name: 'contact-qr' }">
+          <fa icon="qrcode" class="fa-fw" />
+        </router-link>
+      </span>
       <input
         type="text"
         placeholder="DID, Name, Public Key"
@@ -211,11 +216,17 @@
 import { AxiosError } from "axios";
 import * as didJwt from "did-jwt";
 import * as R from "ramda";
+
+import { NotificationIface } from "@/constants/app";
 import { IIdentifier } from "@veramo/core";
 import { accountsDB, db } from "@/db/index";
 import { Contact } from "@/db/tables/contacts";
 import { MASTER_SETTINGS_KEY } from "@/db/tables/settings";
-import { accessToken, SimpleSigner } from "@/libs/crypto";
+import {
+  accessToken,
+  getContactPayloadFromJwtUrl,
+  SimpleSigner,
+} from "@/libs/crypto";
 import {
   GiveServerRecord,
   GiveVerifiableCredential,
@@ -229,22 +240,16 @@ import EntityIcon from "@/components/EntityIcon.vue";
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const Buffer = require("buffer/").Buffer;
 
-interface Notification {
-  group: string;
-  type: string;
-  title: string;
-  text: string;
-}
-
 @Component({
   components: { QuickNav, EntityIcon },
 })
 export default class ContactsView extends Vue {
-  $notify!: (notification: Notification, timeout?: number) => void;
+  $notify!: (notification: NotificationIface, timeout?: number) => void;
 
   activeDid = "";
   apiServer = "";
   contacts: Array<Contact> = [];
+  contactEndorserUrl = localStorage.getItem("contactEndorserUrl") || "";
   contactInput = "";
   // { "did:...": concatenated-descriptions } entry for each contact
   givenByMeDescriptions: Record<string, string> = {};
@@ -279,6 +284,12 @@ export default class ContactsView extends Vue {
       (a: Contact, b) => (a.name || "").localeCompare(b.name || ""),
       allContacts,
     );
+
+    if (this.contactEndorserUrl) {
+      await this.newContactFromScan(this.contactEndorserUrl);
+      localStorage.removeItem("contactEndorserUrl");
+      this.contactEndorserUrl = "";
+    }
   }
 
   public async getIdentity(activeDid: string) {
@@ -414,6 +425,18 @@ export default class ContactsView extends Vue {
   }
 
   async onClickNewContact(): Promise<void> {
+    if (!this.contactInput) {
+      this.$notify(
+        {
+          group: "alert",
+          type: "warning",
+          title: "No Contact",
+          text: "There was no contact info to add.",
+        },
+        -1,
+      );
+      return;
+    }
     let did = this.contactInput;
     let name, publicKeyBase64;
     const commaPos1 = this.contactInput.indexOf(",");
@@ -432,12 +455,74 @@ export default class ContactsView extends Vue {
       publicKeyBase64 = Buffer.from(publicKeyBase64, "hex").toString("base64");
     }
     const newContact = { did, name, publicKeyBase64 };
-    await db.contacts.add(newContact);
+    return this.addContact(newContact);
+  }
+
+  async newContactFromScan(url: string): Promise<void> {
+    const payload = getContactPayloadFromJwtUrl(url);
+    if (!payload) {
+      this.$notify(
+        {
+          group: "alert",
+          type: "danger",
+          title: "No Contact Info",
+          text: "The contact info could not be parsed.",
+        },
+        -1,
+      );
+      return;
+    } else {
+      return this.addContact({
+        did: payload.iss,
+        name: payload.own.name,
+        publicKeyBase64: payload.own.publicEncKey,
+      } as Contact);
+    }
+  }
+
+  async addContact(newContact: Contact) {
+    if (!newContact.did) {
+      this.$notify(
+        {
+          group: "alert",
+          type: "danger",
+          title: "Incomplete Contact",
+          text: "Cannot add a contact without a DID.",
+        },
+        -1,
+      );
+      return;
+    }
+    return db.contacts
+      .add(newContact)
+      .then(() => {
         const allContacts = this.contacts.concat([newContact]);
         this.contacts = R.sort(
           (a: Contact, b) => (a.name || "").localeCompare(b.name || ""),
           allContacts,
         );
+        this.$notify(
+          {
+            group: "alert",
+            type: "success",
+            title: "Contact added",
+            text: newContact.name + " was added.",
+          },
+          -1,
+        );
+      })
+      .catch((err) => {
+        console.error("Error when adding contact to storage:", err);
+        this.$notify(
+          {
+            group: "alert",
+            type: "danger",
+            title: "Contact Not Added",
+            text: "An error prevented importing.",
+          },
+          -1,
+        );
+      });
   }
 
   async deleteContact(contact: Contact) {