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Salesforce.gs
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/**
* Saleforce Auth flow
* @see https://developer.salesforce.com/docs/atlas.en-us.api_rest.meta/api_rest/quickstart_oauth.htm
*/
var CLIENT_ID = '...';
var CLIENT_SECRET = '...';
/**
* Authorizes and makes a request to the Saleforce API.
*/
function run() {
var service = getService();
if (service.hasAccess()) {
var url = service.getToken().instance_url +
'/services/data/v24.0/chatter/users/me';
// Make the HTTP request using a wrapper function that handles expired
// sessions.
var response = withRetry(service, function() {
return UrlFetchApp.fetch(url, {
headers: {
Authorization: 'Bearer ' + service.getAccessToken(),
}
});
});
var result = JSON.parse(response.getContentText());
Logger.log(JSON.stringify(result, null, 2));
} else {
var authorizationUrl = service.getAuthorizationUrl();
Logger.log('Open the following URL and re-run the script: %s',
authorizationUrl);
}
}
/**
* Wrapper function that detects an expired session, refreshes the access token,
* and retries the request again.
* @param {OAuth2.Service_} service The service to refresh.
* @param {Function} func The function that makes the UrlFetchApp request
and returns the response.
* @return {UrlFetchApp.HTTPResponse} The HTTP response.
*/
function withRetry(service, func) {
var response;
var content;
try {
response = func();
content = response.getContentText();
} catch (e) {
content = e.toString();
}
if (content.indexOf('INVALID_SESSION_ID') !== -1) {
service.refresh();
return func();
}
return response;
}
/**
* Reset the authorization state, so that it can be re-tested.
*/
function reset() {
getService().reset();
}
/**
* Configures the service.
*/
function getService() {
return OAuth2.createService('Saleforce')
// Set the endpoint URLs.
.setAuthorizationBaseUrl(
'https://login.salesforce.com/services/oauth2/authorize')
.setTokenUrl('https://login.salesforce.com/services/oauth2/token')
// Set the client ID and secret.
.setClientId(CLIENT_ID)
.setClientSecret(CLIENT_SECRET)
// Set the name of the callback function that should be invoked to
// complete the OAuth flow.
.setCallbackFunction('authCallback')
// Set the property store where authorized tokens should be persisted.
.setPropertyStore(PropertiesService.getUserProperties())
// Set the scopes to be requested.
.setScope('chatter_api refresh_token');
}
/**
* Handles the OAuth callback.
*/
function authCallback(request) {
var service = getService();
var authorized = service.handleCallback(request);
if (authorized) {
return HtmlService.createHtmlOutput('Success!');
} else {
return HtmlService.createHtmlOutput('Denied.');
}
}
/**
* Logs the redict URI to register.
*/
function logRedirectUri() {
Logger.log(getService().getRedirectUri());
}