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⚡ Feature/salesforce jwt bearer (#1082)

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* Salesforce - OAuth 2.0 JWT Bearer Flow for Server-to-Server Integration

* ⚡ Small improvements

* ⚡ Small fix

Co-authored-by: Craig McElroy <craig@mcelroyfamily.com>
This commit is contained in:
Ricardo Espinoza
2020-10-28 18:07:35 -04:00
committed by GitHub
parent e9b49d78e1
commit 0b1688caf4
4 changed files with 168 additions and 14 deletions
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92
packages/nodes-base/nodes/Salesforce/GenericFunctions.ts
View File

@@ -13,19 +13,33 @@ import {
INodePropertyOptions,
} from 'n8n-workflow';
import * as moment from 'moment-timezone';
import * as jwt from 'jsonwebtoken';
export async function salesforceApiRequest(this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, method: string, endpoint: string, body: any = {}, qs: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
const credentials = this.getCredentials('salesforceOAuth2Api');
const subdomain = ((credentials!.accessTokenUrl as string).match(/https:\/\/(.+).salesforce\.com/) || [])[1];
const options: OptionsWithUri = {
method,
body: method === 'GET' ? undefined : body,
qs,
uri: `https://${subdomain}.salesforce.com/services/data/v39.0${uri || endpoint}`,
json: true,
};
const authenticationMethod = this.getNodeParameter('authentication', 0, 'oAuth2') as string;
try {
//@ts-ignore
return await this.helpers.requestOAuth2.call(this, 'salesforceOAuth2Api', options);
if (authenticationMethod === 'jwt') {
// https://help.salesforce.com/articleView?id=remoteaccess_oauth_jwt_flow.htm&type=5
const credentialsType = 'salesforceJwtApi';
const credentials = this.getCredentials(credentialsType);
const response = await getAccessToken.call(this, credentials as IDataObject);
const { instance_url, access_token } = response;
const options = getOptions.call(this, method, (uri || endpoint), body, qs, instance_url as string);
options.headers!.Authorization = `Bearer ${access_token}`;
//@ts-ignore
return await this.helpers.request(options);
} else {
// https://help.salesforce.com/articleView?id=remoteaccess_oauth_web_server_flow.htm&type=5
const credentialsType = 'salesforceOAuth2Api';
const credentials = this.getCredentials(credentialsType);
const subdomain = ((credentials!.accessTokenUrl as string).match(/https:\/\/(.+).salesforce\.com/) || [])[1];
const options = getOptions.call(this, method, (uri || endpoint), body, qs, `https://${subdomain}.salesforce.com`);
//@ts-ignore
return await this.helpers.requestOAuth2.call(this, credentialsType, options);
}
} catch (error) {
if (error.response && error.response.body && error.response.body[0] && error.response.body[0].message) {
// Try to return the error prettier
@@ -36,7 +50,6 @@ export async function salesforceApiRequest(this: IExecuteFunctions | IExecuteSin
}
export async function salesforceApiRequestAllItems(this: IExecuteFunctions | ILoadOptionsFunctions, propertyName: string, method: string, endpoint: string, body: any = {}, query: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
const returnData: IDataObject[] = [];
let responseData;
@@ -54,8 +67,6 @@ export async function salesforceApiRequestAllItems(this: IExecuteFunctions | ILo
return returnData;
}
/**
* Sorts the given options alphabetically
*
@@ -70,3 +81,56 @@ export function sortOptions(options: INodePropertyOptions[]): void {
return 0;
});
}
function getOptions(this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, method: string, endpoint: string, body: any, qs: IDataObject, instanceUrl: string): OptionsWithUri {
const options: OptionsWithUri = {
headers: {
'Content-Type': 'application/json',
},
method,
body: method === 'GET' ? undefined : body,
qs,
uri: `${instanceUrl}/services/data/v39.0${endpoint}`,
json: true
};
//@ts-ignore
return options;
}
function getAccessToken(this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, credentials: IDataObject): Promise<IDataObject> {
const now = moment().unix();
const authUrl = credentials.environment === 'sandbox' ? 'https://test.salesforce.com' : 'https://login.salesforce.com';
const signature = jwt.sign(
{
'iss': credentials.clientId as string,
'sub': credentials.username as string,
'aud': authUrl,
'exp': now + 3 * 60,
},
credentials.privateKey as string,
{
algorithm: 'RS256',
header: {
'alg': 'RS256',
},
}
);
const options: OptionsWithUri = {
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
},
method: 'POST',
form: {
grant_type: 'urn:ietf:params:oauth:grant-type:jwt-bearer',
assertion: signature,
},
uri: `${authUrl}/services/oauth2/token`,
json: true
};
//@ts-ignore
return this.helpers.request(options);
}