ekyc

Electronic KYC process with uploading ID document using OAuth 2.1 (experimental)
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picture.ts (519B)

      1 import { DomainError } from "#core/domain/error.ts";
      2 
      3 const MAX_SIZE = 524_288; /** 500kb */
      4 const BASE64PNG_PREFIX = "data:image/png;base64,iVBORw0KGg";
      5 
      6 export class Picture {
      7   constructor(readonly value: string) {
      8     if (!value.startsWith(BASE64PNG_PREFIX) || value.length > MAX_SIZE) {
      9       throw new InvalidPicture();
     10     }
     11   }
     12 
     13   toString() {
     14     return this.value;
     15   }
     16 }
     17 
     18 export class InvalidPicture extends DomainError {
     19   constructor(options?: ErrorOptions) {
     20     super("Invalid PNG Image", options);
     21   }
     22 }