Facebook.gs

Author: oshliaer

samples/Facebook.gs

@@ -0,0 +1,72 @@
+/*
+ * Facebook oAuth 2.0 guide API requests
+ * https://developers.facebook.com/docs/facebook-login/manually-build-a-login-flow
+ * https://developers.facebook.com/apps/
+ */
+
+/*
+ * Authorizes and makes a request to the Facebook API.
+ */
+
+function run(e) {
+    var service = getService();
+    var html = '';
+    if (service.hasAccess()) {
+        // Takes info about the id 100002297950397
+        var url = 'https://graph.facebook.com/v2.6/100002297950397';
+        var response = UrlFetchApp.fetch(url, {
+            headers: {
+                'Authorization': 'Bearer ' + service.getAccessToken()
+            }
+        });
+        var contentText = JSON.stringify(JSON.parse(response.getContentText()), null, '  ');
+        html = Utilities.formatString('<pre>%s</pre>', contentText);
+    } else {
+        var authorizationUrl = service.getAuthorizationUrl();
+        html = Utilities.formatString('Open the following URL and re-run the script: <a href="%s" target="_blank">[+]</a>', authorizationUrl);
+    }
+    return HtmlService.createHtmlOutput(html);
+}
+
+/**
+ * Reset the authorization state, so that it can be re-tested.
+ */
+function reset() {
+    var service = getService();
+    service.reset();
+}
+
+/**
+ * Configures the service.
+ */
+function getService() {
+    return OAuth2.createService('Facebook')
+        // Set the endpoint URLs.
+        .setAuthorizationBaseUrl('https://www.facebook.com/dialog/oauth')
+        .setTokenUrl('https://graph.facebook.com/v2.3/oauth/access_token')
+
+    // Set the client ID and secret.
+    // You have to take care of this yourself
+    .setClientId(PropertiesService.getScriptProperties().getProperty('CLIENT_ID'))
+        .setClientSecret(PropertiesService.getScriptProperties().getProperty('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());
+}
+
+/**
+ * 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');
+    }
+}