initial commit

server/node_modules/jose/dist/browser/jwe/general/decrypt.js

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+import { flattenedDecrypt } from '../flattened/decrypt.js';
+import { JWEDecryptionFailed, JWEInvalid } from '../../util/errors.js';
+import isObject from '../../lib/is_object.js';
+export async function generalDecrypt(jwe, key, options) {
+    if (!isObject(jwe)) {
+        throw new JWEInvalid('General JWE must be an object');
+    }
+    if (!Array.isArray(jwe.recipients) || !jwe.recipients.every(isObject)) {
+        throw new JWEInvalid('JWE Recipients missing or incorrect type');
+    }
+    if (!jwe.recipients.length) {
+        throw new JWEInvalid('JWE Recipients has no members');
+    }
+    for (const recipient of jwe.recipients) {
+        try {
+            return await flattenedDecrypt({
+                aad: jwe.aad,
+                ciphertext: jwe.ciphertext,
+                encrypted_key: recipient.encrypted_key,
+                header: recipient.header,
+                iv: jwe.iv,
+                protected: jwe.protected,
+                tag: jwe.tag,
+                unprotected: jwe.unprotected,
+            }, key, options);
+        }
+        catch (_a) {
+        }
+    }
+    throw new JWEDecryptionFailed();
+}

server/node_modules/jose/dist/browser/jwe/general/encrypt.js

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+import { FlattenedEncrypt, unprotected } from '../flattened/encrypt.js';
+import { JWEInvalid } from '../../util/errors.js';
+import generateCek from '../../lib/cek.js';
+import isDisjoint from '../../lib/is_disjoint.js';
+import encryptKeyManagement from '../../lib/encrypt_key_management.js';
+import { encode as base64url } from '../../runtime/base64url.js';
+import validateCrit from '../../lib/validate_crit.js';
+class IndividualRecipient {
+    constructor(enc, key, options) {
+        this.parent = enc;
+        this.key = key;
+        this.options = options;
+    }
+    setUnprotectedHeader(unprotectedHeader) {
+        if (this.unprotectedHeader) {
+            throw new TypeError('setUnprotectedHeader can only be called once');
+        }
+        this.unprotectedHeader = unprotectedHeader;
+        return this;
+    }
+    addRecipient(...args) {
+        return this.parent.addRecipient(...args);
+    }
+    encrypt(...args) {
+        return this.parent.encrypt(...args);
+    }
+    done() {
+        return this.parent;
+    }
+}
+export class GeneralEncrypt {
+    constructor(plaintext) {
+        this._recipients = [];
+        this._plaintext = plaintext;
+    }
+    addRecipient(key, options) {
+        const recipient = new IndividualRecipient(this, key, { crit: options === null || options === void 0 ? void 0 : options.crit });
+        this._recipients.push(recipient);
+        return recipient;
+    }
+    setProtectedHeader(protectedHeader) {
+        if (this._protectedHeader) {
+            throw new TypeError('setProtectedHeader can only be called once');
+        }
+        this._protectedHeader = protectedHeader;
+        return this;
+    }
+    setSharedUnprotectedHeader(sharedUnprotectedHeader) {
+        if (this._unprotectedHeader) {
+            throw new TypeError('setSharedUnprotectedHeader can only be called once');
+        }
+        this._unprotectedHeader = sharedUnprotectedHeader;
+        return this;
+    }
+    setAdditionalAuthenticatedData(aad) {
+        this._aad = aad;
+        return this;
+    }
+    async encrypt(options) {
+        var _a, _b, _c;
+        if (!this._recipients.length) {
+            throw new JWEInvalid('at least one recipient must be added');
+        }
+        options = { deflateRaw: options === null || options === void 0 ? void 0 : options.deflateRaw };
+        if (this._recipients.length === 1) {
+            const [recipient] = this._recipients;
+            const flattened = await new FlattenedEncrypt(this._plaintext)
+                .setAdditionalAuthenticatedData(this._aad)
+                .setProtectedHeader(this._protectedHeader)
+                .setSharedUnprotectedHeader(this._unprotectedHeader)
+                .setUnprotectedHeader(recipient.unprotectedHeader)
+                .encrypt(recipient.key, { ...recipient.options, ...options });
+            let jwe = {
+                ciphertext: flattened.ciphertext,
+                iv: flattened.iv,
+                recipients: [{}],
+                tag: flattened.tag,
+            };
+            if (flattened.aad)
+                jwe.aad = flattened.aad;
+            if (flattened.protected)
+                jwe.protected = flattened.protected;
+            if (flattened.unprotected)
+                jwe.unprotected = flattened.unprotected;
+            if (flattened.encrypted_key)
+                jwe.recipients[0].encrypted_key = flattened.encrypted_key;
+            if (flattened.header)
+                jwe.recipients[0].header = flattened.header;
+            return jwe;
+        }
+        let enc;
+        for (let i = 0; i < this._recipients.length; i++) {
+            const recipient = this._recipients[i];
+            if (!isDisjoint(this._protectedHeader, this._unprotectedHeader, recipient.unprotectedHeader)) {
+                throw new JWEInvalid('JWE Protected, JWE Shared Unprotected and JWE Per-Recipient Header Parameter names must be disjoint');
+            }
+            const joseHeader = {
+                ...this._protectedHeader,
+                ...this._unprotectedHeader,
+                ...recipient.unprotectedHeader,
+            };
+            const { alg } = joseHeader;
+            if (typeof alg !== 'string' || !alg) {
+                throw new JWEInvalid('JWE "alg" (Algorithm) Header Parameter missing or invalid');
+            }
+            if (alg === 'dir' || alg === 'ECDH-ES') {
+                throw new JWEInvalid('"dir" and "ECDH-ES" alg may only be used with a single recipient');
+            }
+            if (typeof joseHeader.enc !== 'string' || !joseHeader.enc) {
+                throw new JWEInvalid('JWE "enc" (Encryption Algorithm) Header Parameter missing or invalid');
+            }
+            if (!enc) {
+                enc = joseHeader.enc;
+            }
+            else if (enc !== joseHeader.enc) {
+                throw new JWEInvalid('JWE "enc" (Encryption Algorithm) Header Parameter must be the same for all recipients');
+            }
+            validateCrit(JWEInvalid, new Map(), recipient.options.crit, this._protectedHeader, joseHeader);
+            if (joseHeader.zip !== undefined) {
+                if (!this._protectedHeader || !this._protectedHeader.zip) {
+                    throw new JWEInvalid('JWE "zip" (Compression Algorithm) Header MUST be integrity protected');
+                }
+            }
+        }
+        const cek = generateCek(enc);
+        let jwe = {
+            ciphertext: '',
+            iv: '',
+            recipients: [],
+            tag: '',
+        };
+        for (let i = 0; i < this._recipients.length; i++) {
+            const recipient = this._recipients[i];
+            const target = {};
+            jwe.recipients.push(target);
+            const joseHeader = {
+                ...this._protectedHeader,
+                ...this._unprotectedHeader,
+                ...recipient.unprotectedHeader,
+            };
+            const p2c = joseHeader.alg.startsWith('PBES2') ? 2048 + i : undefined;
+            if (i === 0) {
+                const flattened = await new FlattenedEncrypt(this._plaintext)
+                    .setAdditionalAuthenticatedData(this._aad)
+                    .setContentEncryptionKey(cek)
+                    .setProtectedHeader(this._protectedHeader)
+                    .setSharedUnprotectedHeader(this._unprotectedHeader)
+                    .setUnprotectedHeader(recipient.unprotectedHeader)
+                    .setKeyManagementParameters({ p2c })
+                    .encrypt(recipient.key, {
+                    ...recipient.options,
+                    ...options,
+                    [unprotected]: true,
+                });
+                jwe.ciphertext = flattened.ciphertext;
+                jwe.iv = flattened.iv;
+                jwe.tag = flattened.tag;
+                if (flattened.aad)
+                    jwe.aad = flattened.aad;
+                if (flattened.protected)
+                    jwe.protected = flattened.protected;
+                if (flattened.unprotected)
+                    jwe.unprotected = flattened.unprotected;
+                target.encrypted_key = flattened.encrypted_key;
+                if (flattened.header)
+                    target.header = flattened.header;
+                continue;
+            }
+            const { encryptedKey, parameters } = await encryptKeyManagement(((_a = recipient.unprotectedHeader) === null || _a === void 0 ? void 0 : _a.alg) ||
+                ((_b = this._protectedHeader) === null || _b === void 0 ? void 0 : _b.alg) ||
+                ((_c = this._unprotectedHeader) === null || _c === void 0 ? void 0 : _c.alg), enc, recipient.key, cek, { p2c });
+            target.encrypted_key = base64url(encryptedKey);
+            if (recipient.unprotectedHeader || parameters)
+                target.header = { ...recipient.unprotectedHeader, ...parameters };
+        }
+        return jwe;
+    }
+}