Preserve all fields in parsed tokens. Add Etsy sample.

Author: Eric Koleda

samples/Etsy.gs

@@ -0,0 +1,85 @@
+/*
+ * This script must be published as a web app (Publish > Deploy as web app) in
+ * order to function. The web app URL is used instead of the normal callback
+ * URL to work around a limitation in the Etsy API's OAuth implementation
+ * (callback URLs are limited to 255 characters).
+ */
+
+var CONSUMER_KEY = '...';
+var CONSUMER_SECRET = '...';
+
+/**
+ * Authorizes and makes a request to the Etsy API.
+ */
+function run() {
+  var service = getService();
+  if (service.hasAccess()) {
+    var url = 'https://openapi.etsy.com/v2/users/__SELF__/profile';
+    var response = service.fetch(url);
+    var result = JSON.parse(response.getContentText());
+    Logger.log(JSON.stringify(result, null, 2));
+  } else {
+    service.authorize();
+    // Retrieve the authorization URL from the "login_url" field of the request
+    // token.
+    var authorizationUrl = service.getToken_().login_url;
+    Logger.log('Open the following URL and re-run the script: %s',
+        authorizationUrl);
+  }
+}
+
+/**
+ * Reset the authorization state, so that it can be re-tested.
+ */
+function reset() {
+  var service = getService();
+  service.reset();
+}
+
+/**
+ * Configures the service.
+ */
+function getService() {
+  var service = OAuth1.createService('Etsy')
+      // Set the endpoint URLs.
+      // Pass the desired scopes in the request token URL.
+      .setRequestTokenUrl('https://openapi.etsy.com/v2/oauth/request_token?scope=profile_r')
+      // The authorization URL isn't used, since Etsy sends it back in the
+      // "login_url" field of the request token.
+      .setAuthorizationUrl('N/A')
+      .setAccessTokenUrl('https://openapi.etsy.com/v2/oauth/access_token')
+
+      // Set the consumer key and secret.
+      .setConsumerKey(CONSUMER_KEY)
+      .setConsumerSecret(CONSUMER_SECRET)
+
+      // Set the name of the callback function in the script referenced
+      // above that should be invoked to complete the OAuth flow.
+      .setCallbackFunction('authCallback')
+
+      // Set the property store where authorized tokens should be persisted.
+      .setPropertyStore(PropertiesService.getUserProperties());
+
+  // Override the callback URL method to use the web app URL instead.
+  service.getCallbackUrl = function() {
+    return ScriptApp.getService().getUrl();
+  };
+
+  return service;
+}
+
+/**
+ * Handles GET requests to the web app.
+ */
+function doGet(request) {
+  // Determine if the request is part of an OAuth callback.
+  if (request.parameter.oauth_token) {
+    var service = getService();
+    var authorized = service.handleCallback(request);
+    if (authorized) {
+      return HtmlService.createHtmlOutput('Success!');
+    } else {
+      return HtmlService.createHtmlOutput('Denied');
+    }
+  }
+}

src/Service.gs

@@ -450,15 +450,15 @@ Service_.prototype.fetchInternal_ = function(url, params, opt_token,
  * @private
  */
 Service_.prototype.parseToken_ = function(content) {
-  var fields = content.split('&').reduce(function(result, pair) {
+  var token = content.split('&').reduce(function(result, pair) {
     var parts = pair.split('=');
     result[decodeURIComponent(parts[0])] = decodeURIComponent(parts[1]);
     return result;
   }, {});
-  return {
-    public: fields.oauth_token,
-    secret: fields.oauth_token_secret
-  };
+  // Set fields that the signing library expects.
+  token.public = token.oauth_token;
+  token.secret = token.oauth_token_secret;
+  return token;
 };
 
 /**