修改后台权限

node_modules/jose/dist/webapi/lib/crypto_key.js

@@ -0,0 +1,136 @@
+const unusable = (name, prop = 'algorithm.name') => new TypeError(`CryptoKey does not support this operation, its ${prop} must be ${name}`);
+const isAlgorithm = (algorithm, name) => algorithm.name === name;
+function getHashLength(hash) {
+    return parseInt(hash.name.slice(4), 10);
+}
+function checkHashLength(algorithm, expected) {
+    const actual = getHashLength(algorithm.hash);
+    if (actual !== expected)
+        throw unusable(`SHA-${expected}`, 'algorithm.hash');
+}
+function getNamedCurve(alg) {
+    switch (alg) {
+        case 'ES256':
+            return 'P-256';
+        case 'ES384':
+            return 'P-384';
+        case 'ES512':
+            return 'P-521';
+        default:
+            throw new Error('unreachable');
+    }
+}
+function checkUsage(key, usage) {
+    if (usage && !key.usages.includes(usage)) {
+        throw new TypeError(`CryptoKey does not support this operation, its usages must include ${usage}.`);
+    }
+}
+export function checkSigCryptoKey(key, alg, usage) {
+    switch (alg) {
+        case 'HS256':
+        case 'HS384':
+        case 'HS512': {
+            if (!isAlgorithm(key.algorithm, 'HMAC'))
+                throw unusable('HMAC');
+            checkHashLength(key.algorithm, parseInt(alg.slice(2), 10));
+            break;
+        }
+        case 'RS256':
+        case 'RS384':
+        case 'RS512': {
+            if (!isAlgorithm(key.algorithm, 'RSASSA-PKCS1-v1_5'))
+                throw unusable('RSASSA-PKCS1-v1_5');
+            checkHashLength(key.algorithm, parseInt(alg.slice(2), 10));
+            break;
+        }
+        case 'PS256':
+        case 'PS384':
+        case 'PS512': {
+            if (!isAlgorithm(key.algorithm, 'RSA-PSS'))
+                throw unusable('RSA-PSS');
+            checkHashLength(key.algorithm, parseInt(alg.slice(2), 10));
+            break;
+        }
+        case 'Ed25519':
+        case 'EdDSA': {
+            if (!isAlgorithm(key.algorithm, 'Ed25519'))
+                throw unusable('Ed25519');
+            break;
+        }
+        case 'ML-DSA-44':
+        case 'ML-DSA-65':
+        case 'ML-DSA-87': {
+            if (!isAlgorithm(key.algorithm, alg))
+                throw unusable(alg);
+            break;
+        }
+        case 'ES256':
+        case 'ES384':
+        case 'ES512': {
+            if (!isAlgorithm(key.algorithm, 'ECDSA'))
+                throw unusable('ECDSA');
+            const expected = getNamedCurve(alg);
+            const actual = key.algorithm.namedCurve;
+            if (actual !== expected)
+                throw unusable(expected, 'algorithm.namedCurve');
+            break;
+        }
+        default:
+            throw new TypeError('CryptoKey does not support this operation');
+    }
+    checkUsage(key, usage);
+}
+export function checkEncCryptoKey(key, alg, usage) {
+    switch (alg) {
+        case 'A128GCM':
+        case 'A192GCM':
+        case 'A256GCM': {
+            if (!isAlgorithm(key.algorithm, 'AES-GCM'))
+                throw unusable('AES-GCM');
+            const expected = parseInt(alg.slice(1, 4), 10);
+            const actual = key.algorithm.length;
+            if (actual !== expected)
+                throw unusable(expected, 'algorithm.length');
+            break;
+        }
+        case 'A128KW':
+        case 'A192KW':
+        case 'A256KW': {
+            if (!isAlgorithm(key.algorithm, 'AES-KW'))
+                throw unusable('AES-KW');
+            const expected = parseInt(alg.slice(1, 4), 10);
+            const actual = key.algorithm.length;
+            if (actual !== expected)
+                throw unusable(expected, 'algorithm.length');
+            break;
+        }
+        case 'ECDH': {
+            switch (key.algorithm.name) {
+                case 'ECDH':
+                case 'X25519':
+                    break;
+                default:
+                    throw unusable('ECDH or X25519');
+            }
+            break;
+        }
+        case 'PBES2-HS256+A128KW':
+        case 'PBES2-HS384+A192KW':
+        case 'PBES2-HS512+A256KW':
+            if (!isAlgorithm(key.algorithm, 'PBKDF2'))
+                throw unusable('PBKDF2');
+            break;
+        case 'RSA-OAEP':
+        case 'RSA-OAEP-256':
+        case 'RSA-OAEP-384':
+        case 'RSA-OAEP-512': {
+            if (!isAlgorithm(key.algorithm, 'RSA-OAEP'))
+                throw unusable('RSA-OAEP');
+            checkHashLength(key.algorithm, parseInt(alg.slice(9), 10) || 1);
+            break;
+        }
+        default:
+            throw new TypeError('CryptoKey does not support this operation');
+    }
+    checkUsage(key, usage);
+}