initial commit

server/node_modules/jose/dist/node/cjs/jws/flattened/sign.js

@@ -0,0 +1,85 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.FlattenedSign = void 0;
+const base64url_js_1 = require("../../runtime/base64url.js");
+const sign_js_1 = require("../../runtime/sign.js");
+const is_disjoint_js_1 = require("../../lib/is_disjoint.js");
+const errors_js_1 = require("../../util/errors.js");
+const buffer_utils_js_1 = require("../../lib/buffer_utils.js");
+const check_key_type_js_1 = require("../../lib/check_key_type.js");
+const validate_crit_js_1 = require("../../lib/validate_crit.js");
+class FlattenedSign {
+    constructor(payload) {
+        if (!(payload instanceof Uint8Array)) {
+            throw new TypeError('payload must be an instance of Uint8Array');
+        }
+        this._payload = payload;
+    }
+    setProtectedHeader(protectedHeader) {
+        if (this._protectedHeader) {
+            throw new TypeError('setProtectedHeader can only be called once');
+        }
+        this._protectedHeader = protectedHeader;
+        return this;
+    }
+    setUnprotectedHeader(unprotectedHeader) {
+        if (this._unprotectedHeader) {
+            throw new TypeError('setUnprotectedHeader can only be called once');
+        }
+        this._unprotectedHeader = unprotectedHeader;
+        return this;
+    }
+    async sign(key, options) {
+        if (!this._protectedHeader && !this._unprotectedHeader) {
+            throw new errors_js_1.JWSInvalid('either setProtectedHeader or setUnprotectedHeader must be called before #sign()');
+        }
+        if (!(0, is_disjoint_js_1.default)(this._protectedHeader, this._unprotectedHeader)) {
+            throw new errors_js_1.JWSInvalid('JWS Protected and JWS Unprotected Header Parameter names must be disjoint');
+        }
+        const joseHeader = {
+            ...this._protectedHeader,
+            ...this._unprotectedHeader,
+        };
+        const extensions = (0, validate_crit_js_1.default)(errors_js_1.JWSInvalid, new Map([['b64', true]]), options === null || options === void 0 ? void 0 : options.crit, this._protectedHeader, joseHeader);
+        let b64 = true;
+        if (extensions.has('b64')) {
+            b64 = this._protectedHeader.b64;
+            if (typeof b64 !== 'boolean') {
+                throw new errors_js_1.JWSInvalid('The "b64" (base64url-encode payload) Header Parameter must be a boolean');
+            }
+        }
+        const { alg } = joseHeader;
+        if (typeof alg !== 'string' || !alg) {
+            throw new errors_js_1.JWSInvalid('JWS "alg" (Algorithm) Header Parameter missing or invalid');
+        }
+        (0, check_key_type_js_1.default)(alg, key, 'sign');
+        let payload = this._payload;
+        if (b64) {
+            payload = buffer_utils_js_1.encoder.encode((0, base64url_js_1.encode)(payload));
+        }
+        let protectedHeader;
+        if (this._protectedHeader) {
+            protectedHeader = buffer_utils_js_1.encoder.encode((0, base64url_js_1.encode)(JSON.stringify(this._protectedHeader)));
+        }
+        else {
+            protectedHeader = buffer_utils_js_1.encoder.encode('');
+        }
+        const data = (0, buffer_utils_js_1.concat)(protectedHeader, buffer_utils_js_1.encoder.encode('.'), payload);
+        const signature = await (0, sign_js_1.default)(alg, key, data);
+        const jws = {
+            signature: (0, base64url_js_1.encode)(signature),
+            payload: '',
+        };
+        if (b64) {
+            jws.payload = buffer_utils_js_1.decoder.decode(payload);
+        }
+        if (this._unprotectedHeader) {
+            jws.header = this._unprotectedHeader;
+        }
+        if (this._protectedHeader) {
+            jws.protected = buffer_utils_js_1.decoder.decode(protectedHeader);
+        }
+        return jws;
+    }
+}
+exports.FlattenedSign = FlattenedSign;

server/node_modules/jose/dist/node/cjs/jws/flattened/verify.js

@@ -0,0 +1,119 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.flattenedVerify = void 0;
+const base64url_js_1 = require("../../runtime/base64url.js");
+const verify_js_1 = require("../../runtime/verify.js");
+const errors_js_1 = require("../../util/errors.js");
+const buffer_utils_js_1 = require("../../lib/buffer_utils.js");
+const is_disjoint_js_1 = require("../../lib/is_disjoint.js");
+const is_object_js_1 = require("../../lib/is_object.js");
+const check_key_type_js_1 = require("../../lib/check_key_type.js");
+const validate_crit_js_1 = require("../../lib/validate_crit.js");
+const validate_algorithms_js_1 = require("../../lib/validate_algorithms.js");
+async function flattenedVerify(jws, key, options) {
+    var _a;
+    if (!(0, is_object_js_1.default)(jws)) {
+        throw new errors_js_1.JWSInvalid('Flattened JWS must be an object');
+    }
+    if (jws.protected === undefined && jws.header === undefined) {
+        throw new errors_js_1.JWSInvalid('Flattened JWS must have either of the "protected" or "header" members');
+    }
+    if (jws.protected !== undefined && typeof jws.protected !== 'string') {
+        throw new errors_js_1.JWSInvalid('JWS Protected Header incorrect type');
+    }
+    if (jws.payload === undefined) {
+        throw new errors_js_1.JWSInvalid('JWS Payload missing');
+    }
+    if (typeof jws.signature !== 'string') {
+        throw new errors_js_1.JWSInvalid('JWS Signature missing or incorrect type');
+    }
+    if (jws.header !== undefined && !(0, is_object_js_1.default)(jws.header)) {
+        throw new errors_js_1.JWSInvalid('JWS Unprotected Header incorrect type');
+    }
+    let parsedProt = {};
+    if (jws.protected) {
+        try {
+            const protectedHeader = (0, base64url_js_1.decode)(jws.protected);
+            parsedProt = JSON.parse(buffer_utils_js_1.decoder.decode(protectedHeader));
+        }
+        catch {
+            throw new errors_js_1.JWSInvalid('JWS Protected Header is invalid');
+        }
+    }
+    if (!(0, is_disjoint_js_1.default)(parsedProt, jws.header)) {
+        throw new errors_js_1.JWSInvalid('JWS Protected and JWS Unprotected Header Parameter names must be disjoint');
+    }
+    const joseHeader = {
+        ...parsedProt,
+        ...jws.header,
+    };
+    const extensions = (0, validate_crit_js_1.default)(errors_js_1.JWSInvalid, new Map([['b64', true]]), options === null || options === void 0 ? void 0 : options.crit, parsedProt, joseHeader);
+    let b64 = true;
+    if (extensions.has('b64')) {
+        b64 = parsedProt.b64;
+        if (typeof b64 !== 'boolean') {
+            throw new errors_js_1.JWSInvalid('The "b64" (base64url-encode payload) Header Parameter must be a boolean');
+        }
+    }
+    const { alg } = joseHeader;
+    if (typeof alg !== 'string' || !alg) {
+        throw new errors_js_1.JWSInvalid('JWS "alg" (Algorithm) Header Parameter missing or invalid');
+    }
+    const algorithms = options && (0, validate_algorithms_js_1.default)('algorithms', options.algorithms);
+    if (algorithms && !algorithms.has(alg)) {
+        throw new errors_js_1.JOSEAlgNotAllowed('"alg" (Algorithm) Header Parameter not allowed');
+    }
+    if (b64) {
+        if (typeof jws.payload !== 'string') {
+            throw new errors_js_1.JWSInvalid('JWS Payload must be a string');
+        }
+    }
+    else if (typeof jws.payload !== 'string' && !(jws.payload instanceof Uint8Array)) {
+        throw new errors_js_1.JWSInvalid('JWS Payload must be a string or an Uint8Array instance');
+    }
+    let resolvedKey = false;
+    if (typeof key === 'function') {
+        key = await key(parsedProt, jws);
+        resolvedKey = true;
+    }
+    (0, check_key_type_js_1.default)(alg, key, 'verify');
+    const data = (0, buffer_utils_js_1.concat)(buffer_utils_js_1.encoder.encode((_a = jws.protected) !== null && _a !== void 0 ? _a : ''), buffer_utils_js_1.encoder.encode('.'), typeof jws.payload === 'string' ? buffer_utils_js_1.encoder.encode(jws.payload) : jws.payload);
+    let signature;
+    try {
+        signature = (0, base64url_js_1.decode)(jws.signature);
+    }
+    catch {
+        throw new errors_js_1.JWSInvalid('Failed to base64url decode the signature');
+    }
+    const verified = await (0, verify_js_1.default)(alg, key, signature, data);
+    if (!verified) {
+        throw new errors_js_1.JWSSignatureVerificationFailed();
+    }
+    let payload;
+    if (b64) {
+        try {
+            payload = (0, base64url_js_1.decode)(jws.payload);
+        }
+        catch {
+            throw new errors_js_1.JWSInvalid('Failed to base64url decode the payload');
+        }
+    }
+    else if (typeof jws.payload === 'string') {
+        payload = buffer_utils_js_1.encoder.encode(jws.payload);
+    }
+    else {
+        payload = jws.payload;
+    }
+    const result = { payload };
+    if (jws.protected !== undefined) {
+        result.protectedHeader = parsedProt;
+    }
+    if (jws.header !== undefined) {
+        result.unprotectedHeader = jws.header;
+    }
+    if (resolvedKey) {
+        return { ...result, key };
+    }
+    return result;
+}
+exports.flattenedVerify = flattenedVerify;