n8n
Version:
n8n Workflow Automation Tool
153 lines • 7.66 kB
JavaScript
;
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exports.LiveWebhooks = void 0;
const di_1 = require("@n8n/di");
const n8n_core_1 = require("n8n-core");
const n8n_workflow_1 = require("n8n-workflow");
const workflow_repository_1 = require("../databases/repositories/workflow.repository");
const not_found_error_1 = require("../errors/response-errors/not-found.error");
const webhook_not_found_error_1 = require("../errors/response-errors/webhook-not-found.error");
const node_types_1 = require("../node-types");
const WebhookHelpers = __importStar(require("../webhooks/webhook-helpers"));
const webhook_service_1 = require("../webhooks/webhook.service");
const WorkflowExecuteAdditionalData = __importStar(require("../workflow-execute-additional-data"));
const workflow_static_data_service_1 = require("../workflows/workflow-static-data.service");
let LiveWebhooks = class LiveWebhooks {
constructor(logger, nodeTypes, webhookService, workflowRepository, workflowStaticDataService) {
this.logger = logger;
this.nodeTypes = nodeTypes;
this.webhookService = webhookService;
this.workflowRepository = workflowRepository;
this.workflowStaticDataService = workflowStaticDataService;
}
async getWebhookMethods(path) {
return await this.webhookService.getWebhookMethods(path);
}
async findAccessControlOptions(path, httpMethod) {
const webhook = await this.findWebhook(path, httpMethod);
const workflowData = await this.workflowRepository.findOne({
where: { id: webhook.workflowId },
select: ['nodes'],
});
const isChatWebhookNode = (type, webhookId) => type === n8n_workflow_1.CHAT_TRIGGER_NODE_TYPE && `${webhookId}/chat` === path;
const nodes = workflowData?.nodes;
const webhookNode = nodes?.find(({ type, parameters, typeVersion, webhookId }) => (parameters?.path === path &&
(parameters?.httpMethod ?? 'GET') === httpMethod &&
'webhook' in this.nodeTypes.getByNameAndVersion(type, typeVersion)) ||
isChatWebhookNode(type, webhookId));
return webhookNode?.parameters?.options;
}
async executeWebhook(request, response) {
const httpMethod = request.method;
const path = request.params.path;
this.logger.debug(`Received webhook "${httpMethod}" for path "${path}"`);
request.params = {};
const webhook = await this.findWebhook(path, httpMethod);
if (webhook.isDynamic) {
const pathElements = path.split('/').slice(1);
webhook.webhookPath.split('/').forEach((ele, index) => {
if (ele.startsWith(':')) {
request.params[ele.slice(1)] = pathElements[index];
}
});
}
const workflowData = await this.workflowRepository.findOne({
where: { id: webhook.workflowId },
relations: { shared: { project: { projectRelations: true } } },
});
if (workflowData === null) {
throw new not_found_error_1.NotFoundError(`Could not find workflow with id "${webhook.workflowId}"`);
}
const workflow = new n8n_workflow_1.Workflow({
id: webhook.workflowId,
name: workflowData.name,
nodes: workflowData.nodes,
connections: workflowData.connections,
active: workflowData.active,
nodeTypes: this.nodeTypes,
staticData: workflowData.staticData,
settings: workflowData.settings,
});
const additionalData = await WorkflowExecuteAdditionalData.getBase();
const webhookData = this.webhookService
.getNodeWebhooks(workflow, workflow.getNode(webhook.node), additionalData)
.find((w) => w.httpMethod === httpMethod && w.path === webhook.webhookPath);
const workflowStartNode = workflow.getNode(webhookData.node);
if (workflowStartNode === null) {
throw new not_found_error_1.NotFoundError('Could not find node to process webhook.');
}
return await new Promise((resolve, reject) => {
const executionMode = 'webhook';
void WebhookHelpers.executeWebhook(workflow, webhookData, workflowData, workflowStartNode, executionMode, undefined, undefined, undefined, request, response, async (error, data) => {
if (error !== null) {
return reject(error);
}
await this.workflowStaticDataService.saveStaticData(workflow);
resolve(data);
});
});
}
async findWebhook(path, httpMethod) {
if (path.endsWith('/')) {
path = path.slice(0, -1);
}
const webhook = await this.webhookService.findWebhook(httpMethod, path);
const webhookMethods = await this.getWebhookMethods(path);
if (webhook === null) {
throw new webhook_not_found_error_1.WebhookNotFoundError({ path, httpMethod, webhookMethods }, { hint: 'production' });
}
return webhook;
}
};
exports.LiveWebhooks = LiveWebhooks;
exports.LiveWebhooks = LiveWebhooks = __decorate([
(0, di_1.Service)(),
__metadata("design:paramtypes", [n8n_core_1.Logger,
node_types_1.NodeTypes,
webhook_service_1.WebhookService,
workflow_repository_1.WorkflowRepository,
workflow_static_data_service_1.WorkflowStaticDataService])
], LiveWebhooks);
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