n8n
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n8n Workflow Automation Tool
109 lines • 6.4 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
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};
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.WorkflowWebhookTriggerResourceResolver = void 0;
const backend_common_1 = require("@n8n/backend-common");
const config_1 = require("@n8n/config");
const db_1 = require("@n8n/db");
const di_1 = require("@n8n/di");
const n8n_workflow_1 = require("n8n-workflow");
const oauth2_triggers_1 = require("../../../constants/oauth2-triggers");
const url_service_1 = require("../../../services/url.service");
const webhook_service_1 = require("../../../webhooks/webhook.service");
const workflow_finder_service_1 = require("../../../workflows/workflow-finder.service");
const utils_1 = require("./utils");
let WorkflowWebhookTriggerResourceResolver = class WorkflowWebhookTriggerResourceResolver {
constructor(config, webhookService, workflowRepository, urlService, logger, workflowFinderService) {
this.config = config;
this.webhookService = webhookService;
this.workflowRepository = workflowRepository;
this.urlService = urlService;
this.logger = logger;
this.workflowFinderService = workflowFinderService;
this.id = 'workflow-webhook-trigger';
this.scopes = utils_1.WEBHOOK_TRIGGER_SCOPES;
}
async resolveByUrl(resourceUrl) {
const pathname = (0, utils_1.resourceUrlToWebhookPath)(resourceUrl, this.urlService.getWebhookBaseUrl());
if (pathname === undefined) {
this.logger.debug(`Resource URL is not under the webhook base URL: ${resourceUrl}`);
return undefined;
}
return await this.resolveByPath(pathname, new URL(resourceUrl).search);
}
async resolveByPath(pathname, search) {
if (!(0, oauth2_triggers_1.isWebhookOAuth2Enabled)()) {
return undefined;
}
if (!pathname.startsWith(`/${this.config.endpoints.webhook}/`)) {
return undefined;
}
const requestedMethod = (0, utils_1.parseMethodParam)(new URLSearchParams(search).get('method'));
const path = (0, utils_1.trimSlashes)(pathname.slice(this.config.endpoints.webhook.length + 1));
this.logger.debug(`Resolving workflow webhook trigger resource for path: ${path}`);
const webhooks = await this.webhookService.findTriggerWebhooksByPath(path, requestedMethod);
const row = requestedMethod
? webhooks.find((webhook) => webhook.method === requestedMethod)
: webhooks.length === 1
? webhooks[0]
: undefined;
if (!row) {
this.logger.debug(`No webhook at path ${path} for method ${requestedMethod ?? '(unspecified)'}`);
return undefined;
}
const triggerMethods = webhooks.map((webhook) => webhook.method);
return await this.resolveWebhookNode(row.workflowId, row.node, (0, utils_1.webhookResourcePath)(row.webhookPath, row.webhookId), row.method, triggerMethods);
}
async resolveWebhookNode(workflowId, nodeName, resourcePath, requestedMethod, triggerMethods) {
const workflow = await this.workflowRepository.findOne({
where: { id: workflowId },
relations: { activeVersion: true },
});
if (!workflow?.activeVersion) {
this.logger.debug(`No active version found for workflow with ID: ${workflowId}`);
return undefined;
}
const node = workflow.activeVersion.nodes.find((n) => n.name === nodeName);
if (!node) {
this.logger.debug(`No node found with name ${nodeName} in active version of workflow with ID: ${workflowId}`);
return undefined;
}
if (node.type === n8n_workflow_1.WEBHOOK_NODE_TYPE &&
!node.disabled &&
node.parameters.authentication === 'n8nOAuth2') {
const baseUrl = `${(0, utils_1.trimTrailingSlash)(this.urlService.getWebhookBaseUrl())}/${this.config.endpoints.webhook}/${resourcePath}`;
const urlFor = (method) => `${baseUrl}${(0, utils_1.methodQueryString)(method)}`;
const methods = [...new Set(triggerMethods.map((method) => method.toUpperCase()))].sort();
const requireExecute = node.parameters.requireExecuteAccess !== false;
return {
id: `workflow-webhook:${workflow.id}:${resourcePath}`,
getResourceUrl: () => urlFor(requestedMethod),
getAudiences: () => methods.map(urlFor),
scopes: utils_1.WEBHOOK_TRIGGER_SCOPES,
displayName: workflow.name,
authorize: async (user) => {
if (requireExecute) {
return (await this.workflowFinderService.findWorkflowIdsWithScopeForUser([workflow.id], user, ['workflow:execute'])).has(workflow.id);
}
return true;
},
};
}
this.logger.debug(`Node with name ${nodeName} in active version of workflow with ID: ${workflowId} is not an enabled webhook trigger with n8nOAuth2 authentication`);
return undefined;
}
};
exports.WorkflowWebhookTriggerResourceResolver = WorkflowWebhookTriggerResourceResolver;
exports.WorkflowWebhookTriggerResourceResolver = WorkflowWebhookTriggerResourceResolver = __decorate([
(0, di_1.Service)(),
__metadata("design:paramtypes", [config_1.GlobalConfig, webhook_service_1.WebhookService, db_1.WorkflowRepository, url_service_1.UrlService, backend_common_1.Logger, workflow_finder_service_1.WorkflowFinderService])
], WorkflowWebhookTriggerResourceResolver);
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