@credo-ts/core
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<p align="center"> <br /> <img alt="Credo Logo" src="https://github.com/openwallet-foundation/credo-ts/blob/c7886cb8377ceb8ee4efe8d264211e561a75072d/images/credo-logo.png" height="250px" /> </p> <h1 align="center"><b>Credo - Core</b></h1
55 lines (54 loc) • 3.04 kB
JavaScript
import { CredoError } from "../../../../error/CredoError.mjs";
import { ClassValidationError } from "../../../../error/ClassValidationError.mjs";
import "../../../../error/index.mjs";
import { Jwt } from "../../../../crypto/jose/jwt/Jwt.mjs";
import { W3cV2JwtVerifiableCredential } from "../../jwt-vc/W3cV2JwtVerifiableCredential.mjs";
import { W3cV2DataIntegrityVerifiableCredential } from "../../data-integrity/W3cV2DataIntegrityVerifiableCredential.mjs";
import { W3cV2SdJwtVerifiableCredential } from "../../sd-jwt-vc/W3cV2SdJwtVerifiableCredential.mjs";
import "../../jwt-vc/index.mjs";
import "../../data-integrity/index.mjs";
import "../../sd-jwt-vc/index.mjs";
import { Transform, TransformationType } from "class-transformer";
import { ValidationError } from "class-validator";
//#region src/modules/vc/models/credential/W3cV2VerifiableCredential.ts
const decodeW3cV2VerifiableCredential = (v) => {
try {
if (typeof v !== "string") throw new CredoError("Expected a plain string encoding");
const trimmedValue = v.trim();
try {
const parsedJson = JSON.parse(trimmedValue);
if (parsedJson && typeof parsedJson === "object" && !Array.isArray(parsedJson)) return new W3cV2DataIntegrityVerifiableCredential({ securedCredential: parsedJson });
} catch {}
const issuerSignedCompact = trimmedValue.split("~")[0];
if (issuerSignedCompact !== trimmedValue && Jwt.format.test(issuerSignedCompact)) try {
const typ = Jwt.fromSerializedJwt(issuerSignedCompact).header.typ;
if (typ === "vp+sd-jwt") throw new CredoError("Value is a W3C SD-JWT VP, but a W3C SD-JWT VC was expected");
if (!typ || typ === "vc+sd-jwt" || typ === "dc+sd-jwt") return W3cV2SdJwtVerifiableCredential.fromCompact(trimmedValue);
} catch (error) {
if (error instanceof CredoError && error.message.includes("W3C SD-JWT VP")) throw error;
}
return W3cV2JwtVerifiableCredential.fromCompact(trimmedValue);
} catch (error) {
if (error instanceof ValidationError || error instanceof ClassValidationError) throw error;
throw new CredoError(`Value '${v}' is not a valid W3cV2VerifiableCredential. ${error.message}`);
}
};
const encodeCredential = (v) => {
if (v instanceof W3cV2JwtVerifiableCredential) return v.encoded;
if (v instanceof W3cV2SdJwtVerifiableCredential) return v.encoded;
if (v instanceof W3cV2DataIntegrityVerifiableCredential) return v.encoded;
throw new CredoError(`Value '${v}' is not a valid W3cV2VerifiableCredential`);
};
function W3cV2VerifiableCredentialTransformer() {
return Transform(({ value, type }) => {
if (type === TransformationType.PLAIN_TO_CLASS) return Array.isArray(value) ? value.map(decodeW3cV2VerifiableCredential) : decodeW3cV2VerifiableCredential(value);
if (type === TransformationType.CLASS_TO_PLAIN) {
if (Array.isArray(value)) return value.map(encodeCredential);
return encodeCredential(value);
}
return value;
});
}
//#endregion
export { W3cV2VerifiableCredentialTransformer, decodeW3cV2VerifiableCredential };
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