fixed check on type of vaccine
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@ -12,7 +12,7 @@ export class CertificateDownloader{
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private certificatesCollection:{kid:string,certificate:string}[] = [];
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private currentValidKids:string[] = [];
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public async getCertificates(): Promise<unknown> {
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public async getCertificates(): Promise<{kid:string,certificate:string}[]> {
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let data = '{}';
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try {
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const file = await fs.open(this.keyStorage,'r');
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@ -20,6 +20,7 @@ export class CertificateDownloader{
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await file.close();
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const savedData = JSON.parse(data);
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if(savedData.lastupdateDate == null || Date.now() - savedData?.lastupdateDate > this.timeSpan){
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await this.updateKids();
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await this.getAllCertificate();
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} else {
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this.certificatesCollection = savedData.certificates;
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@ -35,31 +36,7 @@ export class CertificateDownloader{
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}
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}
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// public static getCertificateDownloader():CertificateDownloader{
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// if(CertificateDownloader.instance == undefined){
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// CertificateDownloader.instance = new CertificateDownloader();
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// }
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// return CertificateDownloader.instance;
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// }
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// async getAllCertificate(): Promise<void> {
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// this.cerficateCollection = {};
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// const response:AxiosResponse<JSON> = (await axios.get('https://raw.githubusercontent.com/lovasoa/sanipasse/master/src/assets/Digital_Green_Certificate_Signing_Keys.json'));
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// if(response.status == 200){
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// console.log(response.data);
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// this.cerficateCollection = response.data;
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// console.log(response);
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// const lastupdateDate = Date.now();
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// const file = await fs.open(this.keyStorage,'w');
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// file.writeFile(JSON.stringify({'certificates':this.cerficateCollection, lastupdateDate}));
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// console.log(this.cerficateCollection);
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// await file.close();
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// }else{
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// throw new Error(response.statusText);
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// }
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// }
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async getAllCertificate(): Promise<void> {
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private async getAllCertificate(): Promise<void> {
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let exit = false;
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let headers = {};
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this.certificatesCollection = [];
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@ -68,21 +45,19 @@ export class CertificateDownloader{
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headers = {'X-RESUME-TOKEN': response.headers['x-resume-token']};
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const currentKid:string = response.headers['x-kid'];
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if(this.currentValidKids.includes(currentKid)){
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// console.log('=========AGGIUNG===========');
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const cert = {kid:currentKid, certificate: response.data};
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// console.log(cert);
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this.certificatesCollection.push(cert);
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}
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exit = (response.status !== 200);
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}
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const lastupdateDate = Date.now();
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const file = await fs.open(this.keyStorage,'w');
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file.writeFile(JSON.stringify({'certificates':this.certificatesCollection, lastupdateDate}));
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await file.writeFile(JSON.stringify({'certificates':this.certificatesCollection, lastupdateDate}));
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console.log(this.certificatesCollection);
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await file.close();
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}
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async updateKids(): Promise<void> {
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private async updateKids(): Promise<void> {
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try {
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const resp = await axios.get(this.baseUrl+this.statusApi);
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this.currentValidKids = await resp.data as string[];
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@ -38,6 +38,7 @@ export class VaccineVerifier {
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if(vaccineDiff <= 0){
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return this.getLogicValidityDays(validRulesSet, this.vaccineStartDayComplete, this.vaccineEndDayComplete,inoculationDate);
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} else {
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console.log('single dose');
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return this.getLogicValidityDays(validRulesSet, this.vaccineStartDayNotComplete, this.vaccineEndDayNotComplete,inoculationDate);
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}
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}
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@ -101,12 +102,13 @@ export class VaccineVerifier {
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private getRulesSet(type:string): unknown[]{
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return this.settings.filter((rule:unknown)=>{
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return rule['type'] = type;
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return rule['type'] == type;
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});
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}
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private getLogicValidityDays(validRulesSet:unknown[],startKey:string, endKey:string, inoculationDate: dayjs.Dayjs): checkResult {
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const now = dayjs();
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console.log(validRulesSet);
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const ruleStart = validRulesSet.find((elem:any)=>{return elem.name == startKey;});
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const ruleEnd = validRulesSet.find((elem:any)=>{return elem.name == endKey;});
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const startValidity = inoculationDate.add(parseInt(ruleStart['value']),'days');
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@ -2,7 +2,7 @@ import { CertificateDownloader } from './CertificateDownloader';
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import { RuleDownloader } from './RuleDownloader';
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import { VaccineVerifier } from './VaccineVerifier';
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import {DCC} from 'dcc-utils';
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import jsrsasign from 'jsrsasign';
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export default class Verifier {
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static instance: Verifier|undefined = undefined;
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private certDownloader: CertificateDownloader;
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@ -26,10 +26,32 @@ export default class Verifier {
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console.log(certificate);
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const dcc = await DCC.fromRaw(certificate);
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console.log(dcc.payload);
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let result = await dcc.checkSignatureWithKeysList(await this.certDownloader.getCertificates());
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// const vaccineVerifier = new VaccineVerifier(await this.ruleDownloader.getRules());
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// result = {signature: result, valid:vaccineVerifier.checkCertifcate(dcc)};
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let result:unknown = {};
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result = await this.checkKey(dcc);
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const vaccineVerifier = new VaccineVerifier(await this.ruleDownloader.getRules());
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result = {signature: result, valid: vaccineVerifier.checkCertifcate(dcc)};
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console.log(result);
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return result;
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}
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async checkKey(dcc:DCC):Promise<{valid:boolean, key?:string}>{
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const publicCertificateCollection = await this.certDownloader.getCertificates();
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const result = {valid:false, key: ''};
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for(const tupla of publicCertificateCollection){
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try {
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const cECDSA = (jsrsasign.KEYUTIL
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.getKey('-----BEGIN CERTIFICATE-----\n' + tupla.certificate+ '-----END CERTIFICATE-----') as jsrsasign.KJUR.crypto.ECDSA).getPublicKeyXYHex();
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const signCheckResult = await dcc.checkSignature(cECDSA);
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if(signCheckResult){
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result.valid = true;
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result.key = tupla.kid;
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break;
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}
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} catch (error) {
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if(error.message != 'Signature missmatch')
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console.log(error); //to silence the errors
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}
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}
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return result;
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}
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}
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