import { IHookFunctions, IWebhookFunctions, } from 'n8n-core'; import { IDataObject, INodeType, INodeTypeDescription, IWebhookResponseData, NodeOperationError, } from 'n8n-workflow'; import { getAutomaticSecret, getEvents, mapResource, webexApiRequest, webexApiRequestAllItems, } from './GenericFunctions'; import { createHmac, } from 'crypto'; export class CiscoWebexTrigger implements INodeType { description: INodeTypeDescription = { displayName: 'Webex by Cisco Trigger', name: 'ciscoWebexTrigger', icon: 'file:ciscoWebex.png', group: ['trigger'], version: 1, subtitle: '={{$parameter["resource"] + ":" + $parameter["event"]}}', description: 'Starts the workflow when Cisco Webex events occur.', defaults: { name: 'Webex Trigger', color: '#29b6f6', }, inputs: [], outputs: ['main'], credentials: [ { name: 'ciscoWebexOAuth2Api', required: true, }, ], webhooks: [ { name: 'default', httpMethod: 'POST', responseMode: 'onReceived', path: 'webhook', }, ], properties: [ { displayName: 'Resource', name: 'resource', type: 'options', options: [ { name: 'Attachment Action', value: 'attachmentAction', }, { name: 'Meeting', value: 'meeting', }, { name: 'Membership', value: 'membership', }, { name: 'Message', value: 'message', }, // { // name: 'Telephony Call', // value: 'telephonyCall', // }, { name: 'Recording', value: 'recording', }, { name: 'Room', value: 'room', }, { name: '*', value: 'all', }, ], default: 'meeting', required: true, }, ...getEvents(), { displayName: 'Resolve Data', name: 'resolveData', type: 'boolean', displayOptions: { show: { resource: [ 'attachmentAction', ], }, }, default: true, description: 'By default the response only contain a reference to the data the user inputed. If this option gets activated, it will resolve the data automatically.', }, { displayName: 'Filters', name: 'filters', type: 'collection', placeholder: 'Add Filter', default: {}, options: [ { displayName: 'Has Files', name: 'hasFiles', type: 'boolean', displayOptions: { show: { '/resource': [ 'message', ], '/event': [ 'created', 'deleted', ], }, }, default: false, description: 'Limit to messages which contain file content attachments', }, { displayName: 'Is Locked', name: 'isLocked', type: 'boolean', displayOptions: { show: { '/resource': [ 'room', ], '/event': [ 'created', 'updated', ], }, }, default: false, description: 'Limit to rooms that are locked', }, { displayName: 'Is Moderator', name: 'isModerator', type: 'boolean', displayOptions: { show: { '/resource': [ 'membership', ], '/event': [ 'created', 'updated', 'deleted', ], }, }, default: false, description: 'Limit to moderators of a room', }, { displayName: 'Mentioned People', name: 'mentionedPeople', type: 'string', displayOptions: { show: { '/resource': [ 'message', ], '/event': [ 'created', 'deleted', ], }, }, default: '', description: `Limit to messages which contain these mentioned people, by person ID; accepts me as a shorthand for your own person ID; separate multiple values with commas`, }, { displayName: 'Message ID', name: 'messageId', type: 'string', displayOptions: { show: { '/resource': [ 'attachmentAction', ], '/event': [ 'created', ], }, }, default: '', description: 'Limit to a particular message, by ID', }, { displayName: 'Owned By', name: 'ownedBy', displayOptions: { show: { '/resource': [ 'meeting', ], }, }, type: 'string', default: '', }, { displayName: 'Person Email', name: 'personEmail', type: 'string', displayOptions: { show: { '/resource': [ 'membership', ], '/event': [ 'created', 'updated', 'deleted', ], }, }, default: '', description: 'Limit to a particular person, by email', }, { displayName: 'Person Email', name: 'personEmail', type: 'string', displayOptions: { show: { '/resource': [ 'message', ], '/event': [ 'created', 'deleted', ], }, }, default: '', description: 'Limit to a particular person, by email', }, { displayName: 'Person ID', name: 'personId', type: 'string', displayOptions: { show: { '/resource': [ 'attachmentAction', ], '/event': [ 'created', ], }, }, default: '', description: 'Limit to a particular person, by ID', }, { displayName: 'Person ID', name: 'personId', type: 'string', displayOptions: { show: { '/resource': [ 'membership', ], '/event': [ 'created', 'updated', 'deleted', ], }, }, default: '', description: 'Limit to a particular person, by ID', }, { displayName: 'Person ID', name: 'personId', type: 'string', displayOptions: { show: { '/resource': [ 'message', ], '/event': [ 'created', 'deleted', ], }, }, default: '', description: 'Limit to a particular person, by ID', }, { displayName: 'Room ID', name: 'roomId', type: 'string', displayOptions: { show: { '/resource': [ 'attachmentAction', ], '/event': [ 'created', ], }, }, default: '', description: 'Limit to a particular room, by ID', }, { displayName: 'Room ID', name: 'roomId', type: 'string', displayOptions: { show: { '/resource': [ 'membership', ], '/event': [ 'created', 'updated', 'deleted', ], }, }, default: '', description: 'Limit to a particular room, by ID', }, { displayName: 'Room ID', name: 'roomId', type: 'string', displayOptions: { show: { '/resource': [ 'message', ], '/event': [ 'created', 'updated', ], }, }, default: '', description: 'Limit to a particular room, by ID', }, { displayName: 'Room Type', name: 'roomType', type: 'options', options: [ { name: 'Direct', value: 'direct', }, { name: 'Group', value: 'group', }, ], displayOptions: { show: { '/resource': [ 'message', ], '/event': [ 'created', 'deleted', ], }, }, default: '', description: `Limit to a particular room type`, }, { displayName: 'Type', name: 'type', type: 'options', options: [ { name: 'Direct', value: 'direct', }, { name: 'Group', value: 'group', }, ], displayOptions: { show: { '/resource': [ 'room', ], '/event': [ 'created', 'updated', ], }, }, default: '', description: `Limit to a particular room type`, }, // { // displayName: 'Call Type', // name: 'callType', // type: 'options', // options: [ // { // name: 'Emergency', // value: 'emergency', // }, // { // name: 'External', // value: 'external', // }, // { // name: 'Location', // value: 'location', // }, // { // name: 'Disconnected', // value: 'disconnected', // }, // { // name: 'Organization', // value: 'organization', // }, // { // name: 'Other', // value: 'other', // }, // { // name: 'Repair', // value: 'repair', // }, // ], // displayOptions: { // show: { // '/resource': [ // 'telephonyCall', // ], // '/event': [ // 'created', // 'deleted', // 'updated', // ], // }, // }, // default: '', // description: `Limit to a particular call type`, // }, // { // displayName: 'Person ID', // name: 'personId', // type: 'string', // displayOptions: { // show: { // '/resource': [ // 'telephonyCall', // ], // '/event': [ // 'created', // 'deleted', // 'updated', // ], // }, // }, // default: '', // description: 'Limit to a particular person, by ID', // }, // { // displayName: 'Personality', // name: 'personality', // type: 'options', // options: [ // { // name: 'Click To Dial', // value: 'clickToDial', // }, // { // name: 'Originator', // value: 'originator', // }, // { // name: 'Terminator', // value: 'terminator', // }, // ], // displayOptions: { // show: { // '/resource': [ // 'telephonyCall', // ], // '/event': [ // 'created', // 'deleted', // 'updated', // ], // }, // }, // default: '', // description: `Limit to a particular call personality`, // }, // { // displayName: 'State', // name: 'state', // type: 'options', // options: [ // { // name: 'Alerting', // value: 'alerting', // }, // { // name: 'Connected', // value: 'connected', // }, // { // name: 'Connecting', // value: 'connecting', // }, // { // name: 'Disconnected', // value: 'disconnected', // }, // { // name: 'Held', // value: 'held', // }, // { // name: 'Remote Held', // value: 'remoteHeld', // }, // ], // displayOptions: { // show: { // '/resource': [ // 'telephonyCall', // ], // '/event': [ // 'created', // 'deleted', // 'updated', // ], // }, // }, // default: '', // description: `Limit to a particular call state`, // }, ], }, ], }; // @ts-ignore (because of request) webhookMethods = { default: { async checkExists(this: IHookFunctions): Promise { const webhookUrl = this.getNodeWebhookUrl('default'); const webhookData = this.getWorkflowStaticData('node'); const resource = this.getNodeParameter('resource') as string; const event = this.getNodeParameter('event') as string; // Check all the webhooks which exist already if it is identical to the // one that is supposed to get created. const data = await webexApiRequestAllItems.call(this, 'items', 'GET', '/webhooks'); for (const webhook of data) { if (webhook.url === webhookUrl && webhook.resource === mapResource(resource) && webhook.event === event && webhook.status === 'active') { webhookData.webhookId = webhook.id as string; return true; } } return false; }, async create(this: IHookFunctions): Promise { const webhookData = this.getWorkflowStaticData('node'); const webhookUrl = this.getNodeWebhookUrl('default'); const event = this.getNodeParameter('event') as string; const resource = this.getNodeParameter('resource') as string; const filters = this.getNodeParameter('filters', {}) as IDataObject; const credentials = await this.getCredentials('ciscoWebexOAuth2Api'); if (credentials === undefined) { throw new NodeOperationError(this.getNode(), 'Credentials could not be obtained'); } const secret = getAutomaticSecret(credentials); const filter = []; for (const key of Object.keys(filters)) { if (key !== 'ownedBy') { filter.push(`${key}=${filters[key]}`); } } const endpoint = '/webhooks'; const body: IDataObject = { name: `n8n-webhook:${webhookUrl}`, targetUrl: webhookUrl, event, resource: mapResource(resource), }; if (filters.ownedBy) { body['ownedBy'] = filters.ownedBy as string; } body['secret'] = secret; if (filter.length) { body['filter'] = filter.join('&'); } const responseData = await webexApiRequest.call(this, 'POST', endpoint, body); if (responseData.id === undefined) { // Required data is missing so was not successful return false; } webhookData.webhookId = responseData.id as string; webhookData.secret = secret; return true; }, async delete(this: IHookFunctions): Promise { const webhookData = this.getWorkflowStaticData('node'); if (webhookData.webhookId !== undefined) { const endpoint = `/webhooks/${webhookData.webhookId}`; try { await webexApiRequest.call(this, 'DELETE', endpoint); } catch (error) { return false; } // Remove from the static workflow data so that it is clear // that no webhooks are registred anymore delete webhookData.webhookId; } return true; }, }, }; async webhook(this: IWebhookFunctions): Promise { let bodyData = this.getBodyData(); const webhookData = this.getWorkflowStaticData('node'); const headers = this.getHeaderData() as IDataObject; const req = this.getRequestObject(); const resolveData = this.getNodeParameter('resolveData', false) as boolean; //@ts-ignore const computedSignature = createHmac('sha1', webhookData.secret).update(req.rawBody).digest('hex'); if (headers['x-spark-signature'] !== computedSignature) { return {}; } if (resolveData) { const { data: { id } } = bodyData as { data: { id: string } }; bodyData = await webexApiRequest.call(this, 'GET', `/attachment/actions/${id}`); } return { workflowData: [ this.helpers.returnJsonArray(bodyData), ], }; } }