ekyc

Electronic KYC process with uploading ID document using OAuth 2.1 (experimental)
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ekyc_send_sms_challenge.ts (1793B)

      1 import { PhoneSmsChallengeSender } from "../../core/application/phone/register.ts";
      2 import * as V from "$valita";
      3 
      4 export type SwisscomOptions = {
      5   SWISSCOM_SMS_TOKEN_ENDPOINT: string;
      6   SWISSCOM_SMS_MESSAGE_ENDPOINT: string;
      7   SWISSCOM_SMS_CLIENT_ID: string;
      8   SWISSCOM_SMS_CLIENT_SECRET: string;
      9 };
     10 
     11 export class SwisscomPhoneSmsChallengeSenderAdapter
     12   implements PhoneSmsChallengeSender {
     13   constructor(private readonly options: SwisscomOptions) {
     14   }
     15 
     16   async send(phoneNumber: string, code: string): Promise<void> {
     17     const accessToken = await this.connect();
     18     const response = await fetch(
     19       `${this.options.SWISSCOM_SMS_MESSAGE_ENDPOINT}`,
     20       {
     21         method: "POST",
     22         headers: {
     23           "Authorization": `Bearer ${accessToken}`,
     24           "Content-Type": "application/json",
     25           "SCS-Version": "2",
     26         },
     27         body: JSON.stringify({
     28           to: phoneNumber,
     29           text: `To verify your phone number, enter the code: ${code}`,
     30         }),
     31       },
     32     );
     33     if (response.status !== 201) {
     34       const json = await response.json();
     35       throw new Error(JSON.stringify(json));
     36     }
     37   }
     38 
     39   async connect(): Promise<unknown> {
     40     const response = await fetch(
     41       `${this.options.SWISSCOM_SMS_TOKEN_ENDPOINT}?grant_type=client_credentials`,
     42       {
     43         method: "POST",
     44         headers: {
     45           "Content-Type": "application/x-www-form-urlencoded",
     46           "Content-Length": "0",
     47           "Authorization": "Basic " +
     48             btoa(
     49               `${this.options.SWISSCOM_SMS_CLIENT_ID}:${this.options.SWISSCOM_SMS_CLIENT_SECRET}`,
     50             ),
     51         },
     52       },
     53     );
     54     const json = await response.json();
     55     return V.object({ access_token: V.string() })
     56       .parse(json, { mode: "strip" })
     57       .access_token;
     58   }
     59 }