n8n/packages/cli/src/Interfaces.ts

/* eslint-disable @typescript-eslint/naming-convention */
import type { Application } from 'express';
import type {
	ExecutionError,
	ICredentialDataDecryptedObject,
	ICredentialsDecrypted,
	ICredentialsEncrypted,
	IDataObject,
	IDeferredPromise,
	IExecuteResponsePromiseData,
	IPinData,
	IRun,
	IRunData,
	IRunExecutionData,
	ITaskData,
	ITelemetrySettings,
	ITelemetryTrackProperties,
	IWorkflowBase,
	CredentialLoadingDetails,
	Workflow,
	WorkflowActivateMode,
	WorkflowExecuteMode,
	ExecutionStatus,
	IExecutionsSummary,
	FeatureFlags,
	WorkflowSettings,
	AuthenticationMethod,
} from 'n8n-workflow';

import type { ActiveWorkflowRunner } from '@/ActiveWorkflowRunner';

import type { WorkflowExecute } from 'n8n-core';

import type PCancelable from 'p-cancelable';
import type { FindOperator, Repository } from 'typeorm';

import type { ChildProcess } from 'child_process';

import type { AuthIdentity, AuthProviderType } from '@db/entities/AuthIdentity';
import type { AuthProviderSyncHistory } from '@db/entities/AuthProviderSyncHistory';
import type { InstalledNodes } from '@db/entities/InstalledNodes';
import type { InstalledPackages } from '@db/entities/InstalledPackages';
import type { Role } from '@db/entities/Role';
import type { Settings } from '@db/entities/Settings';
import type { SharedCredentials } from '@db/entities/SharedCredentials';
import type { SharedWorkflow } from '@db/entities/SharedWorkflow';
import type { TagEntity } from '@db/entities/TagEntity';
import type { User } from '@db/entities/User';
import type { WebhookEntity } from '@db/entities/WebhookEntity';
import type { WorkflowEntity } from '@db/entities/WorkflowEntity';
import type { WorkflowStatistics } from '@db/entities/WorkflowStatistics';
import type { WorkflowTagMapping } from '@db/entities/WorkflowTagMapping';
import type { EventDestinations } from '@db/entities/MessageEventBusDestinationEntity';
import type { ExecutionMetadata } from '@db/entities/ExecutionMetadata';

export interface IActivationError {
	time: number;
	error: {
		message: string;
	};
}

export interface IQueuedWorkflowActivations {
	activationMode: WorkflowActivateMode;
	lastTimeout: number;
	timeout: NodeJS.Timeout;
	workflowData: IWorkflowDb;
}

export interface ICredentialsTypeData {
	[key: string]: CredentialLoadingDetails;
}

export interface ICredentialsOverwrite {
	[key: string]: ICredentialDataDecryptedObject;
}

export interface IDatabaseCollections {
	AuthIdentity: Repository<AuthIdentity>;
	AuthProviderSyncHistory: Repository<AuthProviderSyncHistory>;
	Credentials: Repository<ICredentialsDb>;
	Execution: Repository<IExecutionFlattedDb>;
	Workflow: Repository<WorkflowEntity>;
	Webhook: Repository<WebhookEntity>;
	Tag: Repository<TagEntity>;
	WorkflowTagMapping: Repository<WorkflowTagMapping>;
	Role: Repository<Role>;
	User: Repository<User>;
	SharedCredentials: Repository<SharedCredentials>;
	SharedWorkflow: Repository<SharedWorkflow>;
	Settings: Repository<Settings>;
	InstalledPackages: Repository<InstalledPackages>;
	InstalledNodes: Repository<InstalledNodes>;
	WorkflowStatistics: Repository<WorkflowStatistics>;
	EventDestinations: Repository<EventDestinations>;
	ExecutionMetadata: Repository<ExecutionMetadata>;
}

// ----------------------------------
//               tags
// ----------------------------------

export interface ITagToImport {
	id: string;
	name: string;
	createdAt?: string;
	updatedAt?: string;
}

export type UsageCount = {
	usageCount: number;
};

export type ITagWithCountDb = Pick<TagEntity, 'id' | 'name' | 'createdAt' | 'updatedAt'> &
	UsageCount;

// ----------------------------------
//            workflows
// ----------------------------------

// Almost identical to editor-ui.Interfaces.ts
export interface IWorkflowDb extends IWorkflowBase {
	id: string;
	tags?: TagEntity[];
}

export interface IWorkflowToImport extends IWorkflowBase {
	tags: ITagToImport[];
}

export interface IWorkflowResponse extends IWorkflowBase {
	id: string;
}

// ----------------------------------
//            credentials
// ----------------------------------

export interface ICredentialsBase {
	createdAt: Date;
	updatedAt: Date;
}

export interface ICredentialsDb extends ICredentialsBase, ICredentialsEncrypted {
	id: string;
	name: string;
	shared?: SharedCredentials[];
}

export type ICredentialsDecryptedDb = ICredentialsBase & ICredentialsDecrypted;

export type ICredentialsDecryptedResponse = ICredentialsDecryptedDb;

export type DatabaseType = 'mariadb' | 'postgresdb' | 'mysqldb' | 'sqlite';
export type SaveExecutionDataType = 'all' | 'none';

export interface IExecutionBase {
	id?: string;
	mode: WorkflowExecuteMode;
	startedAt: Date;
	stoppedAt?: Date; // empty value means execution is still running
	workflowId?: string; // To be able to filter executions easily //
	finished: boolean;
	retryOf?: string; // If it is a retry, the id of the execution it is a retry of.
	retrySuccessId?: string; // If it failed and a retry did succeed. The id of the successful retry.
	status: ExecutionStatus;
}

// Data in regular format with references
export interface IExecutionDb extends IExecutionBase {
	data: IRunExecutionData;
	waitTill?: Date | null;
	workflowData?: IWorkflowBase;
}

export interface IExecutionPushResponse {
	executionId?: string;
	waitingForWebhook?: boolean;
}

export interface IExecutionResponse extends IExecutionBase {
	id: string;
	data: IRunExecutionData;
	retryOf?: string;
	retrySuccessId?: string;
	waitTill?: Date | null;
	workflowData: IWorkflowBase;
}

// Flatted data to save memory when saving in database or transferring
// via REST API
export interface IExecutionFlatted extends IExecutionBase {
	data: string;
	workflowData: IWorkflowBase;
}

export interface IExecutionFlattedDb extends IExecutionBase {
	id: string;
	data: string;
	waitTill?: Date | null;
	workflowData: Omit<IWorkflowBase, 'pinData'>;
	status: ExecutionStatus;
}

export interface IExecutionFlattedResponse extends IExecutionFlatted {
	id: string;
	retryOf?: string;
}

export interface IExecutionResponseApi {
	id: string;
	mode: WorkflowExecuteMode;
	startedAt: Date;
	stoppedAt?: Date;
	workflowId?: string;
	finished: boolean;
	retryOf?: string;
	retrySuccessId?: string;
	data?: object;
	waitTill?: Date | null;
	workflowData: IWorkflowBase;
}
export interface IExecutionsListResponse {
	count: number;
	// results: IExecutionShortResponse[];
	results: IExecutionsSummary[];
	estimated: boolean;
}

export interface IExecutionsStopData {
	finished?: boolean;
	mode: WorkflowExecuteMode;
	startedAt: Date;
	stoppedAt?: Date;
	status: ExecutionStatus;
}

export interface IExecutionsCurrentSummary {
	id: string;
	retryOf?: string;
	startedAt: Date;
	mode: WorkflowExecuteMode;
	workflowId: string;
	status?: ExecutionStatus;
}

export interface IExecutionDeleteFilter {
	deleteBefore?: Date;
	filters?: IDataObject;
	ids?: string[];
}

export interface IExecutingWorkflowData {
	executionData: IWorkflowExecutionDataProcess;
	process?: ChildProcess;
	startedAt: Date;
	postExecutePromises: Array<IDeferredPromise<IRun | undefined>>;
	responsePromise?: IDeferredPromise<IExecuteResponsePromiseData>;
	workflowExecution?: PCancelable<IRun>;
	status: ExecutionStatus;
}

export interface IExternalHooks {
	credentials?: {
		create?: Array<{
			(this: IExternalHooksFunctions, credentialsData: ICredentialsEncrypted): Promise<void>;
		}>;
		delete?: Array<{ (this: IExternalHooksFunctions, credentialId: string): Promise<void> }>;
		update?: Array<{
			(this: IExternalHooksFunctions, credentialsData: ICredentialsDb): Promise<void>;
		}>;
	};
	workflow?: {
		activate?: Array<{ (this: IExternalHooksFunctions, workflowData: IWorkflowDb): Promise<void> }>;
		create?: Array<{ (this: IExternalHooksFunctions, workflowData: IWorkflowBase): Promise<void> }>;
		delete?: Array<{ (this: IExternalHooksFunctions, workflowId: string): Promise<void> }>;
		execute?: Array<{
			(
				this: IExternalHooksFunctions,
				workflowData: IWorkflowDb,
				mode: WorkflowExecuteMode,
			): Promise<void>;
		}>;
		update?: Array<{ (this: IExternalHooksFunctions, workflowData: IWorkflowDb): Promise<void> }>;
	};
}

export interface IExternalHooksFileData {
	[key: string]: {
		// eslint-disable-next-line @typescript-eslint/no-explicit-any
		[key: string]: Array<(...args: any[]) => Promise<void>>;
	};
}

export interface IExternalHooksFunctions {
	dbCollections: IDatabaseCollections;
}

export interface IExternalHooksClass {
	init(): Promise<void>;
	// eslint-disable-next-line @typescript-eslint/no-explicit-any
	run(hookName: string, hookParameters?: any[]): Promise<void>;
}

export interface IDiagnosticInfo {
	versionCli: string;
	databaseType: DatabaseType;
	notificationsEnabled: boolean;
	disableProductionWebhooksOnMainProcess: boolean;
	basicAuthActive: boolean;
	systemInfo: {
		os: {
			type?: string;
			version?: string;
		};
		memory?: number;
		cpus: {
			count?: number;
			model?: string;
			speed?: number;
		};
	};
	executionVariables: {
		[key: string]: string | number | boolean | undefined;
	};
	deploymentType: string;
	binaryDataMode: string;
	n8n_multi_user_allowed: boolean;
	smtp_set_up: boolean;
	ldap_allowed: boolean;
}

export interface ITelemetryUserDeletionData {
	user_id: string;
	target_user_old_status: 'active' | 'invited';
	migration_strategy?: 'transfer_data' | 'delete_data';
	target_user_id?: string;
	migration_user_id?: string;
}

export interface IInternalHooksClass {
	onN8nStop(): Promise<void>;
	onServerStarted(
		diagnosticInfo: IDiagnosticInfo,
		firstWorkflowCreatedAt?: Date,
	): Promise<unknown[]>;
	onPersonalizationSurveySubmitted(userId: string, answers: Record<string, string>): Promise<void>;
	onWorkflowCreated(user: User, workflow: IWorkflowBase, publicApi: boolean): Promise<void>;
	onWorkflowDeleted(user: User, workflowId: string, publicApi: boolean): Promise<void>;
	onWorkflowSaved(user: User, workflow: IWorkflowBase, publicApi: boolean): Promise<void>;
	onWorkflowBeforeExecute(executionId: string, data: IWorkflowExecutionDataProcess): Promise<void>;
	onWorkflowPostExecute(
		executionId: string,
		workflow: IWorkflowBase,
		runData?: IRun,
		userId?: string,
	): Promise<void>;
	onNodeBeforeExecute(
		executionId: string,
		workflow: IWorkflowBase,
		nodeName: string,
	): Promise<void>;
	onNodePostExecute(executionId: string, workflow: IWorkflowBase, nodeName: string): Promise<void>;
	onUserDeletion(userDeletionData: {
		user: User;
		telemetryData: ITelemetryUserDeletionData;
		publicApi: boolean;
	}): Promise<void>;
	onUserInvite(userInviteData: {
		user: User;
		target_user_id: string[];
		public_api: boolean;
		email_sent: boolean;
	}): Promise<void>;
	onUserReinvite(userReinviteData: {
		user: User;
		target_user_id: string;
		public_api: boolean;
	}): Promise<void>;
	onUserUpdate(userUpdateData: { user: User; fields_changed: string[] }): Promise<void>;
	onUserInviteEmailClick(userInviteClickData: { inviter: User; invitee: User }): Promise<void>;
	onUserPasswordResetEmailClick(userPasswordResetData: { user: User }): Promise<void>;
	onUserTransactionalEmail(
		userTransactionalEmailData: {
			user_id: string;
			message_type: 'Reset password' | 'New user invite' | 'Resend invite';
			public_api: boolean;
		},
		user?: User,
	): Promise<void>;
	onEmailFailed(failedEmailData: {
		user: User;
		message_type: 'Reset password' | 'New user invite' | 'Resend invite';
		public_api: boolean;
	}): Promise<void>;
	onUserCreatedCredentials(userCreatedCredentialsData: {
		user: User;
		credential_name: string;
		credential_type: string;
		credential_id: string;
		public_api: boolean;
	}): Promise<void>;

	onUserSharedCredentials(userSharedCredentialsData: {
		user: User;
		credential_name: string;
		credential_type: string;
		credential_id: string;
		user_id_sharer: string;
		user_ids_sharees_added: string[];
		sharees_removed: number | null;
	}): Promise<void>;
	onUserPasswordResetRequestClick(userPasswordResetData: { user: User }): Promise<void>;
	onInstanceOwnerSetup(instanceOwnerSetupData: { user_id: string }, user?: User): Promise<void>;
	onUserSignup(
		user: User,
		userSignupData: {
			user_type: AuthProviderType;
			was_disabled_ldap_user: boolean;
		},
	): Promise<void>;
	onCommunityPackageInstallFinished(installationData: {
		user: User;
		input_string: string;
		package_name: string;
		success: boolean;
		package_version?: string;
		package_node_names?: string[];
		package_author?: string;
		package_author_email?: string;
		failure_reason?: string;
	}): Promise<void>;
	onCommunityPackageUpdateFinished(updateData: {
		user: User;
		package_name: string;
		package_version_current: string;
		package_version_new: string;
		package_node_names: string[];
		package_author?: string;
		package_author_email?: string;
	}): Promise<void>;
	onCommunityPackageDeleteFinished(deleteData: {
		user: User;
		package_name: string;
		package_version?: string;
		package_node_names?: string[];
		package_author?: string;
		package_author_email?: string;
	}): Promise<void>;
	onApiKeyCreated(apiKeyDeletedData: { user: User; public_api: boolean }): Promise<void>;
	onApiKeyDeleted(apiKeyDeletedData: { user: User; public_api: boolean }): Promise<void>;
}

export interface IVersionNotificationSettings {
	enabled: boolean;
	endpoint: string;
	infoUrl: string;
}

export interface IN8nUISettings {
	endpointWebhook: string;
	endpointWebhookTest: string;
	saveDataErrorExecution: WorkflowSettings.SaveDataExecution;
	saveDataSuccessExecution: WorkflowSettings.SaveDataExecution;
	saveManualExecutions: boolean;
	executionTimeout: number;
	maxExecutionTimeout: number;
	workflowCallerPolicyDefaultOption: WorkflowSettings.CallerPolicy;
	oauthCallbackUrls: {
		oauth1: string;
		oauth2: string;
	};
	timezone: string;
	urlBaseWebhook: string;
	urlBaseEditor: string;
	versionCli: string;
	n8nMetadata?: {
		[key: string]: string | number | undefined;
	};
	versionNotifications: IVersionNotificationSettings;
	instanceId: string;
	telemetry: ITelemetrySettings;
	posthog: {
		enabled: boolean;
		apiHost: string;
		apiKey: string;
		autocapture: boolean;
		disableSessionRecording: boolean;
		debug: boolean;
	};
	personalizationSurveyEnabled: boolean;
	defaultLocale: string;
	userManagement: IUserManagementSettings;
	sso: {
		saml: {
			loginLabel: string;
			loginEnabled: boolean;
		};
		ldap: {
			loginLabel: string;
			loginEnabled: boolean;
		};
	};
	publicApi: IPublicApiSettings;
	workflowTagsDisabled: boolean;
	logLevel: 'info' | 'debug' | 'warn' | 'error' | 'verbose' | 'silent';
	hiringBannerEnabled: boolean;
	templates: {
		enabled: boolean;
		host: string;
	};
	onboardingCallPromptEnabled: boolean;
	missingPackages?: boolean;
	executionMode: 'regular' | 'queue';
	pushBackend: 'sse' | 'websocket';
	communityNodesEnabled: boolean;
	deployment: {
		type: string;
	};
	isNpmAvailable: boolean;
	allowedModules: {
		builtIn?: string;
		external?: string;
	};
	enterprise: {
		sharing: boolean;
		ldap: boolean;
		saml: boolean;
		logStreaming: boolean;
		advancedExecutionFilters: boolean;
	};
	hideUsagePage: boolean;
	license: {
		environment: 'production' | 'staging';
	};
}

export interface IPersonalizationSurveyAnswers {
	email: string | null;
	codingSkill: string | null;
	companyIndustry: string[];
	companySize: string | null;
	otherCompanyIndustry: string | null;
	otherWorkArea: string | null;
	workArea: string[] | string | null;
}

export interface IUserSettings {
	isOnboarded?: boolean;
}

export interface IUserManagementSettings {
	enabled: boolean;
	showSetupOnFirstLoad?: boolean;
	smtpSetup: boolean;
	authenticationMethod: AuthenticationMethod;
}
export interface IActiveDirectorySettings {
	enabled: boolean;
}
export interface IPublicApiSettings {
	enabled: boolean;
	latestVersion: number;
	path: string;
	swaggerUi: {
		enabled: boolean;
	};
}

export interface IPackageVersions {
	cli: string;
}

export type IPushDataType = IPushData['type'];

export type IPushData =
	| PushDataExecutionFinished
	| PushDataExecutionStarted
	| PushDataExecuteAfter
	| PushDataExecuteBefore
	| PushDataConsoleMessage
	| PushDataReloadNodeType
	| PushDataRemoveNodeType
	| PushDataTestWebhook
	| PushDataNodeDescriptionUpdated
	| PushDataExecutionRecovered;

type PushDataExecutionRecovered = {
	data: IPushDataExecutionRecovered;
	type: 'executionRecovered';
};

type PushDataExecutionFinished = {
	data: IPushDataExecutionFinished;
	type: 'executionFinished';
};

type PushDataExecutionStarted = {
	data: IPushDataExecutionStarted;
	type: 'executionStarted';
};

type PushDataExecuteAfter = {
	data: IPushDataNodeExecuteAfter;
	type: 'nodeExecuteAfter';
};

type PushDataExecuteBefore = {
	data: IPushDataNodeExecuteBefore;
	type: 'nodeExecuteBefore';
};

type PushDataConsoleMessage = {
	data: IPushDataConsoleMessage;
	type: 'sendConsoleMessage';
};

type PushDataReloadNodeType = {
	data: IPushDataReloadNodeType;
	type: 'reloadNodeType';
};

type PushDataRemoveNodeType = {
	data: IPushDataRemoveNodeType;
	type: 'removeNodeType';
};

type PushDataTestWebhook = {
	data: IPushDataTestWebhook;
	type: 'testWebhookDeleted' | 'testWebhookReceived';
};

type PushDataNodeDescriptionUpdated = {
	data: undefined;
	type: 'nodeDescriptionUpdated';
};

export interface IPushDataExecutionRecovered {
	executionId: string;
}

export interface IPushDataExecutionFinished {
	data: IRun;
	executionId: string;
	retryOf?: string;
}

export interface IPushDataExecutionStarted {
	executionId: string;
	mode: WorkflowExecuteMode;
	startedAt: Date;
	retryOf?: string;
	workflowId: string;
	workflowName?: string;
}

export interface IPushDataNodeExecuteAfter {
	data: ITaskData;
	executionId: string;
	nodeName: string;
}

export interface IPushDataNodeExecuteBefore {
	executionId: string;
	nodeName: string;
}

export interface IPushDataReloadNodeType {
	name: string;
	version: number;
}

export interface IPushDataRemoveNodeType {
	name: string;
	version: number;
}

export interface IPushDataTestWebhook {
	executionId: string;
	workflowId: string;
}

export interface IPushDataConsoleMessage {
	source: string;
	message: string;
}

export interface IResponseCallbackData {
	data?: IDataObject | IDataObject[];
	headers?: object;
	noWebhookResponse?: boolean;
	responseCode?: number;
}

export interface INodesTypeData {
	[key: string]: {
		className: string;
		sourcePath: string;
	};
}

export interface IWorkflowErrorData {
	// eslint-disable-next-line @typescript-eslint/no-explicit-any
	[key: string]: any;
	execution?: {
		id?: string;
		url?: string;
		retryOf?: string;
		error: ExecutionError;
		lastNodeExecuted: string;
		mode: WorkflowExecuteMode;
	};
	trigger?: {
		error: ExecutionError;
		mode: WorkflowExecuteMode;
	};
	workflow: {
		id?: string;
		name: string;
	};
}

export interface IProcessMessageDataHook {
	hook: string;
	// eslint-disable-next-line @typescript-eslint/no-explicit-any
	parameters: any[];
}

export interface IWorkflowExecutionDataProcess {
	destinationNode?: string;
	executionMode: WorkflowExecuteMode;
	executionData?: IRunExecutionData;
	runData?: IRunData;
	pinData?: IPinData;
	retryOf?: string;
	sessionId?: string;
	startNodes?: string[];
	workflowData: IWorkflowBase;
	userId: string;
}

export interface IWorkflowExecutionDataProcessWithExecution extends IWorkflowExecutionDataProcess {
	executionId: string;
	userId: string;
}

export interface IWorkflowExecuteProcess {
	startedAt: Date;
	workflow: Workflow;
	workflowExecute: WorkflowExecute;
}

export interface IWorkflowStatisticsCounts {
	productionSuccess: number;
	productionError: number;
	manualSuccess: number;
	manualError: number;
}

export interface IWorkflowStatisticsDataLoaded {
	dataLoaded: boolean;
}

export interface IWorkflowStatisticsTimestamps {
	productionSuccess: Date | null;
	productionError: Date | null;
	manualSuccess: Date | null;
	manualError: Date | null;
}

export type WhereClause = Record<string, { [key: string]: string | FindOperator<unknown> }>;

// ----------------------------------
//          community nodes
// ----------------------------------

export namespace CommunityPackages {
	export type ParsedPackageName = {
		packageName: string;
		rawString: string;
		scope?: string;
		version?: string;
	};

	export type AvailableUpdates = {
		[packageName: string]: {
			current: string;
			wanted: string;
			latest: string;
			location: string;
		};
	};

	export type PackageStatusCheck = {
		status: 'OK' | 'Banned';
		reason?: string;
	};
}

// ----------------------------------
//               telemetry
// ----------------------------------

export interface IExecutionTrackProperties extends ITelemetryTrackProperties {
	workflow_id: string;
	success: boolean;
	error_node_type?: string;
	is_manual: boolean;
}

// ----------------------------------
//               license
// ----------------------------------

export interface ILicenseReadResponse {
	usage: {
		executions: {
			limit: number;
			value: number;
			warningThreshold: number;
		};
	};
	license: {
		planId: string;
		planName: string;
	};
}

export interface ILicensePostResponse extends ILicenseReadResponse {
	managementToken: string;
}

export interface JwtToken {
	token: string;
	expiresIn: number;
}

export interface JwtPayload {
	id: string;
	email: string | null;
	password: string | null;
}

export interface PublicUser {
	id: string;
	email?: string;
	firstName?: string;
	lastName?: string;
	personalizationAnswers?: IPersonalizationSurveyAnswers | null;
	password?: string;
	passwordResetToken?: string;
	createdAt: Date;
	isPending: boolean;
	globalRole?: Role;
	signInType: AuthProviderType;
	disabled: boolean;
	inviteAcceptUrl?: string;
}

export interface CurrentUser extends PublicUser {
	featureFlags?: FeatureFlags;
}

export interface N8nApp {
	app: Application;
	restEndpoint: string;
	externalHooks: IExternalHooksClass;
	activeWorkflowRunner: ActiveWorkflowRunner;
}