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113 lines
3.4 KiB
TypeScript
113 lines
3.4 KiB
TypeScript
import {
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OptionsWithUri,
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} from 'request';
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import {
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IExecuteFunctions,
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IExecuteSingleFunctions,
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ILoadOptionsFunctions,
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} from 'n8n-core';
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import {
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IDataObject,
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IOAuth2Options,
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} from 'n8n-workflow';
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import * as _ from 'lodash';
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export async function slackApiRequest(this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, method: string, resource: string, body: object = {}, query: object = {}, headers: {} | undefined = undefined, option: {} = {}): Promise<any> { // tslint:disable-line:no-any
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const authenticationMethod = this.getNodeParameter('authentication', 0, 'accessToken') as string;
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let options: OptionsWithUri = {
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method,
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headers: headers || {
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'Content-Type': 'application/json; charset=utf-8',
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},
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body,
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qs: query,
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uri: `https://slack.com/api${resource}`,
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json: true,
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};
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options = Object.assign({}, options, option);
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if (Object.keys(body).length === 0) {
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delete options.body;
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}
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if (Object.keys(query).length === 0) {
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delete options.qs;
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}
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try {
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let response: any; // tslint:disable-line:no-any
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if (authenticationMethod === 'accessToken') {
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const credentials = this.getCredentials('slackApi');
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if (credentials === undefined) {
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throw new Error('No credentials got returned!');
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}
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options.headers!.Authorization = `Bearer ${credentials.accessToken}`;
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//@ts-ignore
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response = await this.helpers.request(options);
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} else {
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const oAuth2Options: IOAuth2Options = {
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tokenType: 'Bearer',
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property: 'authed_user.access_token',
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};
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//@ts-ignore
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response = await this.helpers.requestOAuth2.call(this, 'slackOAuth2Api', options, oAuth2Options);
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}
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if (response.ok === false) {
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throw new Error('Slack error response: ' + JSON.stringify(response));
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}
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return response;
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} catch (error) {
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if (error.statusCode === 401) {
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// Return a clear error
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throw new Error('The Slack credentials are not valid!');
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}
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if (error.response && error.response.body && error.response.body.message) {
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// Try to return the error prettier
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throw new Error(`Slack error response [${error.statusCode}]: ${error.response.body.message}`);
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}
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// If that data does not exist for some reason return the actual error
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throw error;
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}
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}
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export async function slackApiRequestAllItems(this: IExecuteFunctions | ILoadOptionsFunctions, propertyName: string ,method: string, endpoint: string, body: any = {}, query: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
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const returnData: IDataObject[] = [];
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let responseData;
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query.page = 1;
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query.count = 100;
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do {
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responseData = await slackApiRequest.call(this, method, endpoint, body, query);
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query.cursor = encodeURIComponent(_.get(responseData, 'response_metadata.next_cursor'));
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query.page++;
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returnData.push.apply(returnData, responseData[propertyName]);
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} while (
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(responseData.response_metadata !== undefined &&
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responseData.response_metadata.mext_cursor !== undefined &&
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responseData.response_metadata.next_cursor !== '' &&
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responseData.response_metadata.next_cursor !== null) ||
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(responseData.paging !== undefined &&
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responseData.paging.pages !== undefined &&
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responseData.paging.page !== undefined &&
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responseData.paging.page < responseData.paging.pages
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)
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);
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return returnData;
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}
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export function validateJSON(json: string | undefined): any { // tslint:disable-line:no-any
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let result;
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try {
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result = JSON.parse(json!);
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} catch (exception) {
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result = undefined;
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}
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return result;
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}
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