initial commit

server/node_modules/jose/dist/browser/jwk/thumbprint.js

@@ -0,0 +1,53 @@
+import digest from '../runtime/digest.js';
+import { encode as base64url } from '../runtime/base64url.js';
+import { JOSENotSupported, JWKInvalid } from '../util/errors.js';
+import { encoder } from '../lib/buffer_utils.js';
+import isObject from '../lib/is_object.js';
+const check = (value, description) => {
+    if (typeof value !== 'string' || !value) {
+        throw new JWKInvalid(`${description} missing or invalid`);
+    }
+};
+export async function calculateJwkThumbprint(jwk, digestAlgorithm) {
+    if (!isObject(jwk)) {
+        throw new TypeError('JWK must be an object');
+    }
+    digestAlgorithm !== null && digestAlgorithm !== void 0 ? digestAlgorithm : (digestAlgorithm = 'sha256');
+    if (digestAlgorithm !== 'sha256' &&
+        digestAlgorithm !== 'sha384' &&
+        digestAlgorithm !== 'sha512') {
+        throw new TypeError('digestAlgorithm must one of "sha256", "sha384", or "sha512"');
+    }
+    let components;
+    switch (jwk.kty) {
+        case 'EC':
+            check(jwk.crv, '"crv" (Curve) Parameter');
+            check(jwk.x, '"x" (X Coordinate) Parameter');
+            check(jwk.y, '"y" (Y Coordinate) Parameter');
+            components = { crv: jwk.crv, kty: jwk.kty, x: jwk.x, y: jwk.y };
+            break;
+        case 'OKP':
+            check(jwk.crv, '"crv" (Subtype of Key Pair) Parameter');
+            check(jwk.x, '"x" (Public Key) Parameter');
+            components = { crv: jwk.crv, kty: jwk.kty, x: jwk.x };
+            break;
+        case 'RSA':
+            check(jwk.e, '"e" (Exponent) Parameter');
+            check(jwk.n, '"n" (Modulus) Parameter');
+            components = { e: jwk.e, kty: jwk.kty, n: jwk.n };
+            break;
+        case 'oct':
+            check(jwk.k, '"k" (Key Value) Parameter');
+            components = { k: jwk.k, kty: jwk.kty };
+            break;
+        default:
+            throw new JOSENotSupported('"kty" (Key Type) Parameter missing or unsupported');
+    }
+    const data = encoder.encode(JSON.stringify(components));
+    return base64url(await digest(digestAlgorithm, data));
+}
+export async function calculateJwkThumbprintUri(jwk, digestAlgorithm) {
+    digestAlgorithm !== null && digestAlgorithm !== void 0 ? digestAlgorithm : (digestAlgorithm = 'sha256');
+    const thumbprint = await calculateJwkThumbprint(jwk, digestAlgorithm);
+    return `urn:ietf:params:oauth:jwk-thumbprint:sha-${digestAlgorithm.slice(-3)}:${thumbprint}`;
+}