Merge pull request #1098 from tw-mosip/INJI-624

[INJI-624] - add support for face verification

machines/auth.ts

@@ -1,8 +1,5 @@
 import {assign, ContextFrom, EventFrom, send, StateFrom} from 'xstate';
 import {createModel} from 'xstate/lib/model';
-import getAllConfigurations, {
-  downloadModel,
-} from '../shared/commonprops/commonProps';
 import {AppServices} from '../shared/GlobalContext';
 import {StoreEvents, StoreResponseEvent} from './store';
 import {generateSecureRandom} from 'react-native-securerandom';
@@ -169,7 +166,7 @@ export const authMachine = model.createMachine(
 
     services: {
       downloadFaceSdkModel: () => () => {
-        downloadModel();
+        // ToDo - support to download model for face match
       },
       generatePasscodeSalt: () => async context => {
         const randomBytes = await generateSecureRandom(16);

machines/faceScanner.ts

@@ -4,8 +4,6 @@ import {Linking} from 'react-native';
 import {assign, EventFrom, StateFrom} from 'xstate';
 import {createModel} from 'xstate/lib/model';
 
-import {faceCompare} from '@iriscan/biometric-sdk-react-native';
-
 const model = createModel(
   {
     cameraRef: {} as Camera,
@@ -220,7 +218,8 @@ export const createFaceScannerMachine = (vcImage: string) =>
           const rxDataURI =
             /data:(?<mime>[\w/\-.]+);(?<encoding>\w+),(?<data>.*)/;
           const matches = rxDataURI.exec(vcImage).groups;
-          return faceCompare(context.capturedImage.base64, matches.data);
+          // ToDo - compare faces to do face match and return the match response
+          return true;
         },
       },
 

package.json

@@ -26,7 +26,6 @@
     "@react-navigation/native": "^6.0.8",
     "@react-navigation/native-stack": "^6.1.0",
     "@xstate/react": "^3.0.1",
-    "@iriscan/biometric-sdk-react-native": "^0.2.6",
     "base64url-universal": "^1.1.0",
     "buffer": "^6.0.3",
     "crypto-js": "^3.3.0",

shared/commonUtil.ts

@@ -55,23 +55,3 @@ export function logState(state: AnyState) {
 export const getMaskedText = (id: string): string => {
   return '*'.repeat(id.length - 4) + id.slice(-4);
 };
-
-export const faceMatchConfig = (resp: string) => {
-  return {
-    withFace: {
-      encoder: {
-        tfModel: {
-          path: resp + '/model.tflite',
-          inputWidth: 160,
-          inputHeight: 160,
-          outputLength: 512,
-          modelChecksum:
-            '797b4d99794965749635352d55da38d4748c28c659ee1502338badee4614ed06',
-        },
-      },
-      matcher: {
-        threshold: 0.8,
-      },
-    },
-  };
-};

shared/commonprops/commonProps.ts

@@ -1,7 +1,5 @@
-import {configure} from '@iriscan/biometric-sdk-react-native';
 import {changeCrendetialRegistry} from '../constants';
 import {CACHED_API} from '../api';
-import {faceMatchConfig} from '../commonUtil';
 
 export const COMMON_PROPS_KEY: string =
   'CommonPropsKey-' + '6964d04a-9268-11ed-a1eb-0242ac120002';
@@ -11,28 +9,6 @@ export default async function getAllConfigurations(host = undefined) {
   return await CACHED_API.getAllProperties();
 }
 
-export async function downloadModel() {
-  try {
-    var injiProp = await getAllConfigurations();
-    const maxRetryStr = injiProp.modelDownloadMaxRetry;
-    const maxRetry = parseInt(maxRetryStr);
-    const resp: string = injiProp != null ? injiProp.faceSdkModelUrl : null;
-
-    if (resp != null) {
-      for (let counter = 0; counter < maxRetry; counter++) {
-        let config = faceMatchConfig(resp);
-        var result = await configure(config);
-        console.log('model download result is = ' + result);
-        if (result) {
-          break;
-        }
-      }
-    }
-  } catch (error) {
-    console.log(error);
-  }
-}
-
 export interface DownloadProps {
   maxDownloadLimit: number;
   downloadInterval: number;