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Face match and liveness implementation (#15)
* add: rekognito and amplify implementation * add: liveness and face match implementation * fix: optional payload * add: `disableInstructionScreen` props to component
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| import { FaceLivenessDetector } from "@aws-amplify/ui-react-liveness"; | ||
| import { Loader, ThemeProvider } from "@aws-amplify/ui-react"; | ||
| import React from "react"; | ||
|
|
||
| export function LivenessQuickStartReact({ handleNextForm, cedula }: any) { | ||
| const next = handleNextForm; | ||
| const id = cedula; | ||
| const [loading, setLoading] = React.useState<boolean>(true); | ||
| const [sessionId, setSessionId] = React.useState<string>(""); | ||
|
|
||
| React.useEffect(() => { | ||
| const fetchCreateLiveness = async () => { | ||
| const response = await fetch(`/api/biometric`, { method: "POST" }); | ||
| const { sessionId } = await response.json(); | ||
|
|
||
| setSessionId(sessionId); | ||
| setLoading(false); | ||
| }; | ||
|
|
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| fetchCreateLiveness(); | ||
| }, []); | ||
|
|
||
| const handleAnalysisComplete = async () => { | ||
| const response = await fetch( | ||
| `/api/biometric?sessionId=${sessionId}&cedula=${id}` | ||
| ); | ||
| const data = await response.json(); | ||
|
|
||
| if (data.match) { | ||
| next(); | ||
| } else { | ||
| alert("No se ha podido validar correctamente la identidad."); | ||
| } | ||
| }; | ||
|
|
||
| return ( | ||
| <ThemeProvider> | ||
| {loading ? ( | ||
| <Loader /> | ||
| ) : ( | ||
| <FaceLivenessDetector | ||
| sessionId={sessionId} | ||
| region="us-east-1" | ||
| onAnalysisComplete={handleAnalysisComplete} | ||
| disableInstructionScreen={true} | ||
| /> | ||
| )} | ||
| </ThemeProvider> | ||
| ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| export { validateSameSiteRequest } from "./same-site-validator"; | ||
| export { getRekognitionClient } from "./rekognition"; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| import { Rekognition } from "@aws-sdk/client-rekognition"; | ||
| import { Amplify, withSSRContext } from "aws-amplify"; | ||
| import { NextApiRequest } from "next/types"; | ||
|
|
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| import awsExports from "../aws-exports"; | ||
|
|
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| Amplify.configure({ ...awsExports, ssr: true }); | ||
|
|
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| export async function getRekognitionClient( | ||
| req: NextApiRequest | ||
| ): Promise<Rekognition> { | ||
| const { Credentials } = withSSRContext({ req }); | ||
| const credentials = await Credentials.get(); | ||
| const endpoint = "https://rekognition.us-east-1.amazonaws.com"; | ||
|
|
||
| return new Rekognition({ | ||
| region: "us-east-1", | ||
| credentials, | ||
| endpoint, | ||
| }); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| import { IncomingHttpHeaders } from "node:http"; | ||
|
|
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| export function validateSameSiteRequest(headers: IncomingHttpHeaders) { | ||
| const fetchHeaderKey = "sec-fetch-site"; | ||
| const fetchHeaderValue = "same-origin"; | ||
|
|
||
| return ( | ||
| headers[fetchHeaderKey] && headers[fetchHeaderKey] === fetchHeaderValue | ||
| ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| import { NextApiRequest, NextApiResponse } from "next/types"; | ||
| import axios from "axios"; | ||
|
|
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| import { getRekognitionClient, validateSameSiteRequest } from "@/helpers"; | ||
|
|
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| export default async function handler( | ||
| req: NextApiRequest, | ||
| res: NextApiResponse<any | void> | ||
| ): Promise<any> { | ||
| const isValidRequest = validateSameSiteRequest(req.headers); | ||
|
|
||
| if (!isValidRequest) { | ||
| return res.status(401).send(null); | ||
| } | ||
|
|
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| const http = axios.create({ | ||
| baseURL: process.env.NEXT_PUBLIC_PHOTO_API, | ||
| }); | ||
|
|
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| const rekognition = await getRekognitionClient(req); | ||
|
|
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| if (req.method === "GET") { | ||
| const { sessionId, cedula } = req.query; | ||
| const SessionId = sessionId as string; | ||
|
|
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| const response = await rekognition.getFaceLivenessSessionResults({ | ||
| SessionId, | ||
| }); | ||
|
|
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| let isLive: any; | ||
| let base64Image: string = ""; | ||
| let result: any; | ||
|
|
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| if (response.Confidence) { | ||
| isLive = response.Confidence > 90; | ||
| } | ||
|
|
||
| if (response.ReferenceImage && response.ReferenceImage.Bytes) { | ||
| base64Image = response.ReferenceImage.Bytes.toString(); | ||
|
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| const { data } = await http.get(`/${cedula}/photo`, { | ||
| params: { | ||
| "api-key": process.env.NEXT_PUBLIC_PHOTO_API_KEY, | ||
| }, | ||
| responseType: "arraybuffer", | ||
| }); | ||
|
|
||
| result = await rekognition.compareFaces({ | ||
| SimilarityThreshold: 80, | ||
| TargetImage: { | ||
| Bytes: data, | ||
| }, | ||
| SourceImage: { | ||
| Bytes: response.ReferenceImage.Bytes, | ||
| }, | ||
| }); | ||
| } | ||
|
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| const { FaceMatches } = result; | ||
| const isFaceMatched = | ||
| FaceMatches && FaceMatches.length && FaceMatches[0].Similarity > 90; | ||
|
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| return res.status(200).json({ | ||
| match: isFaceMatched, | ||
| }); | ||
| } else if (req.method === "POST") { | ||
| const { SessionId: sessionId } = | ||
| await rekognition.createFaceLivenessSession({}); | ||
|
|
||
| return res.status(201).json({ sessionId }); | ||
| } | ||
| } |
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