n8n
Version:
n8n Workflow Automation Tool
269 lines • 13 kB
JavaScript
;
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exports.WorkflowExecutionService = void 0;
const typedi_1 = require("typedi");
const n8n_workflow_1 = require("n8n-workflow");
const execution_repository_1 = require("../databases/repositories/execution.repository");
const workflow_repository_1 = require("../databases/repositories/workflow.repository");
const WorkflowHelpers = __importStar(require("../WorkflowHelpers"));
const NodeTypes_1 = require("../NodeTypes");
const WorkflowRunner_1 = require("../WorkflowRunner");
const WorkflowExecuteAdditionalData = __importStar(require("../WorkflowExecuteAdditionalData"));
const TestWebhooks_1 = require("../webhooks/TestWebhooks");
const Logger_1 = require("../Logger");
const config_1 = require("@n8n/config");
const subworkflow_policy_checker_service_1 = require("../subworkflows/subworkflow-policy-checker.service");
let WorkflowExecutionService = class WorkflowExecutionService {
constructor(logger, executionRepository, workflowRepository, nodeTypes, testWebhooks, workflowRunner, globalConfig, subworkflowPolicyChecker) {
this.logger = logger;
this.executionRepository = executionRepository;
this.workflowRepository = workflowRepository;
this.nodeTypes = nodeTypes;
this.testWebhooks = testWebhooks;
this.workflowRunner = workflowRunner;
this.globalConfig = globalConfig;
this.subworkflowPolicyChecker = subworkflowPolicyChecker;
}
async runWorkflow(workflowData, node, data, additionalData, mode, responsePromise) {
const nodeExecutionStack = [
{
node,
data: {
main: data,
},
source: null,
},
];
const executionData = {
startData: {},
resultData: {
runData: {},
},
executionData: {
contextData: {},
metadata: {},
nodeExecutionStack,
waitingExecution: {},
waitingExecutionSource: {},
},
};
const runData = {
userId: additionalData.userId,
executionMode: mode,
executionData,
workflowData,
};
return await this.workflowRunner.run(runData, true, undefined, undefined, responsePromise);
}
async executeManually({ workflowData, runData, startNodes, destinationNode }, user, pushRef) {
const pinData = workflowData.pinData;
const pinnedTrigger = this.selectPinnedActivatorStarter(workflowData, startNodes === null || startNodes === void 0 ? void 0 : startNodes.map((nodeData) => nodeData.name), pinData);
if (pinnedTrigger === null &&
(runData === undefined ||
startNodes === undefined ||
startNodes.length === 0 ||
destinationNode === undefined)) {
const additionalData = await WorkflowExecuteAdditionalData.getBase(user.id);
const needsWebhook = await this.testWebhooks.needsWebhook(user.id, workflowData, additionalData, runData, pushRef, destinationNode);
if (needsWebhook)
return { waitingForWebhook: true };
}
workflowData.active = false;
const data = {
destinationNode,
executionMode: 'manual',
runData,
pinData,
pushRef,
startNodes,
workflowData,
userId: user.id,
};
const hasRunData = (node) => runData !== undefined && !!runData[node.name];
if (pinnedTrigger && !hasRunData(pinnedTrigger)) {
data.startNodes = [{ name: pinnedTrigger.name, sourceData: null }];
}
const executionId = await this.workflowRunner.run(data);
return {
executionId,
};
}
async executeErrorWorkflow(workflowId, workflowErrorData, runningProject) {
var _a, _b;
try {
const workflowData = await this.workflowRepository.findOneBy({ id: workflowId });
if (workflowData === null) {
this.logger.error(`Calling Error Workflow for "${workflowErrorData.workflow.id}". Could not find error workflow "${workflowId}"`, { workflowId });
return;
}
const executionMode = 'error';
const workflowInstance = new n8n_workflow_1.Workflow({
id: workflowId,
name: workflowData.name,
nodeTypes: this.nodeTypes,
nodes: workflowData.nodes,
connections: workflowData.connections,
active: workflowData.active,
staticData: workflowData.staticData,
settings: workflowData.settings,
});
try {
const failedNode = ((_a = workflowErrorData.execution) === null || _a === void 0 ? void 0 : _a.lastNodeExecuted)
? workflowInstance.getNode((_b = workflowErrorData.execution) === null || _b === void 0 ? void 0 : _b.lastNodeExecuted)
: undefined;
await this.subworkflowPolicyChecker.check(workflowInstance, workflowErrorData.workflow.id, failedNode !== null && failedNode !== void 0 ? failedNode : undefined);
}
catch (error) {
const initialNode = workflowInstance.getStartNode();
if (initialNode) {
const errorWorkflowPermissionError = new n8n_workflow_1.SubworkflowOperationError(`Another workflow: (ID ${workflowErrorData.workflow.id}) tried to invoke this workflow to handle errors.`, "Unfortunately current permissions do not allow this. Please check that this workflow's settings allow it to be called by others");
const fakeExecution = WorkflowHelpers.generateFailedExecutionFromError('error', errorWorkflowPermissionError, initialNode);
const fullExecutionData = {
data: fakeExecution.data,
mode: fakeExecution.mode,
finished: false,
startedAt: new Date(),
stoppedAt: new Date(),
workflowData,
waitTill: null,
status: fakeExecution.status,
workflowId: workflowData.id,
};
await this.executionRepository.createNewExecution(fullExecutionData);
}
this.logger.info('Error workflow execution blocked due to subworkflow settings', {
erroredWorkflowId: workflowErrorData.workflow.id,
errorWorkflowId: workflowId,
});
return;
}
let node;
let workflowStartNode;
const { errorTriggerType } = this.globalConfig.nodes;
for (const nodeName of Object.keys(workflowInstance.nodes)) {
node = workflowInstance.nodes[nodeName];
if (node.type === errorTriggerType) {
workflowStartNode = node;
}
}
if (workflowStartNode === undefined) {
this.logger.error(`Calling Error Workflow for "${workflowErrorData.workflow.id}". Could not find "${errorTriggerType}" in workflow "${workflowId}"`);
return;
}
const nodeExecutionStack = [];
nodeExecutionStack.push({
node: workflowStartNode,
data: {
main: [
[
{
json: workflowErrorData,
},
],
],
},
source: null,
});
const runExecutionData = {
startData: {},
resultData: {
runData: {},
},
executionData: {
contextData: {},
metadata: {},
nodeExecutionStack,
waitingExecution: {},
waitingExecutionSource: {},
},
};
const runData = {
executionMode,
executionData: runExecutionData,
workflowData,
projectId: runningProject.id,
};
await this.workflowRunner.run(runData);
}
catch (error) {
n8n_workflow_1.ErrorReporterProxy.error(error);
this.logger.error(`Calling Error Workflow for "${workflowErrorData.workflow.id}": "${error.message}"`, { workflowId: workflowErrorData.workflow.id });
}
}
selectPinnedActivatorStarter(workflow, startNodes, pinData) {
var _a, _b;
if (!pinData || !startNodes)
return null;
const allPinnedActivators = this.findAllPinnedActivators(workflow, pinData);
if (allPinnedActivators.length === 0)
return null;
const [firstPinnedActivator] = allPinnedActivators;
if ((startNodes === null || startNodes === void 0 ? void 0 : startNodes.length) === 0)
return firstPinnedActivator !== null && firstPinnedActivator !== void 0 ? firstPinnedActivator : null;
const [firstStartNodeName] = startNodes;
const parentNodeNames = new n8n_workflow_1.Workflow({
nodes: workflow.nodes,
connections: workflow.connections,
active: workflow.active,
nodeTypes: this.nodeTypes,
}).getParentNodes(firstStartNodeName);
if (parentNodeNames.length > 0) {
const parentNodeName = parentNodeNames.find((p) => p === firstPinnedActivator.name);
return (_a = allPinnedActivators.find((pa) => pa.name === parentNodeName)) !== null && _a !== void 0 ? _a : null;
}
return (_b = allPinnedActivators.find((pa) => pa.name === firstStartNodeName)) !== null && _b !== void 0 ? _b : null;
}
findAllPinnedActivators(workflow, pinData) {
return workflow.nodes
.filter((node) => !node.disabled &&
(pinData === null || pinData === void 0 ? void 0 : pinData[node.name]) &&
['trigger', 'webhook'].some((suffix) => node.type.toLowerCase().endsWith(suffix)) &&
node.type !== 'n8n-nodes-base.respondToWebhook')
.sort((a) => (a.type.endsWith('webhook') ? -1 : 1));
}
};
exports.WorkflowExecutionService = WorkflowExecutionService;
exports.WorkflowExecutionService = WorkflowExecutionService = __decorate([
(0, typedi_1.Service)(),
__metadata("design:paramtypes", [Logger_1.Logger,
execution_repository_1.ExecutionRepository,
workflow_repository_1.WorkflowRepository,
NodeTypes_1.NodeTypes,
TestWebhooks_1.TestWebhooks,
WorkflowRunner_1.WorkflowRunner,
config_1.GlobalConfig,
subworkflow_policy_checker_service_1.SubworkflowPolicyChecker])
], WorkflowExecutionService);
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