n8n
Version:
n8n Workflow Automation Tool
112 lines • 5.17 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ChatHubExtractor = exports.CHATHUB_EXTRACTOR_NAME = void 0;
exports.extractAuthenticationMetadata = extractAuthenticationMetadata;
const backend_common_1 = require("@n8n/backend-common");
const decorators_1 = require("@n8n/decorators");
const di_1 = require("@n8n/di");
const n8n_core_1 = require("n8n-core");
const n8n_workflow_1 = require("n8n-workflow");
const zod_1 = require("zod");
const auth_service_1 = require("../../auth/auth.service");
const EncryptedMetadataSchema = zod_1.z.object({
encryptedMetadata: zod_1.z.string(),
});
const ChatHubAuthenticationMetadataSchema = zod_1.z.object({
authToken: zod_1.z.string(),
browserId: zod_1.z.string().optional(),
method: zod_1.z.string(),
endpoint: zod_1.z.string(),
});
exports.CHATHUB_EXTRACTOR_NAME = 'ChatHubExtractor';
function extractAuthenticationMetadata(req) {
const authService = di_1.Container.get(auth_service_1.AuthService);
const authToken = authService.getCookieToken(req);
if (!authToken) {
throw new Error('No authentication token found');
}
return {
authToken,
browserId: authService.getBrowserId(req),
method: authService.getMethod(req),
endpoint: authService.getEndpoint(req),
};
}
let ChatHubExtractor = class ChatHubExtractor {
constructor(logger, cipher) {
this.logger = logger;
this.cipher = cipher;
this.hookDescription = {
name: exports.CHATHUB_EXTRACTOR_NAME,
displayName: 'Chat Hub Extractor',
options: [],
};
this.logger = this.logger.scoped('chat-hub');
}
isApplicableToTriggerNode(_nodeType) {
return false;
}
async execute(options) {
if (!options.triggerItems || options.triggerItems.length === 0) {
this.logger.debug('No trigger items found, skipping ChatHubExtractor hook.');
throw new Error('No trigger items found, skipping ChatHubExtractor hook.');
}
const [triggerItem] = options.triggerItems;
const encryptedMetadataResult = EncryptedMetadataSchema.safeParse(triggerItem);
delete triggerItem.encryptedMetadata;
if (encryptedMetadataResult.success) {
try {
const decrypted = await this.cipher.decryptV2(encryptedMetadataResult.data.encryptedMetadata);
const parsed = (0, n8n_workflow_1.jsonParse)(decrypted);
const chatHubInformation = ChatHubAuthenticationMetadataSchema.safeParse(parsed);
if (chatHubInformation.success) {
return {
triggerItems: options.triggerItems,
contextUpdate: {
credentials: {
version: 1,
identity: chatHubInformation.data.authToken,
metadata: {
source: 'chat-hub-injected',
browserId: chatHubInformation.data.browserId,
method: chatHubInformation.data.method,
endpoint: chatHubInformation.data.endpoint,
},
},
},
};
}
else {
this.logger.warn('Invalid format for encryptedMetadata in chathub extractor', {
errors: chatHubInformation.error.errors,
});
}
}
catch (error) {
this.logger.error('Failed to decrypt/parse encrypted chat metadata', {
error: (0, n8n_workflow_1.ensureError)(error),
});
}
}
else {
this.logger.warn('No encryptedMetadata found in trigger item for ChatHubExtractor.');
}
throw new Error('No valid Chat Hub authentication metadata could be extracted.');
}
};
exports.ChatHubExtractor = ChatHubExtractor;
exports.ChatHubExtractor = ChatHubExtractor = __decorate([
(0, decorators_1.ContextEstablishmentHook)(),
__metadata("design:paramtypes", [backend_common_1.Logger,
n8n_core_1.Cipher])
], ChatHubExtractor);
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