options: parse retry-after header

and set ignoreInvalidCookies by default

Author: myfreeer

lib/options.js

@@ -6,15 +6,20 @@ const logger = {
 
 const MAX_RETRY = 25;
 const MAX_RETRY_DELAY = 5000;
+const MAX_RETRY_AFTER = 60000;
 /**
  * @type {Partial<DownloaderOptions>}
  */
 const defaultOptions = {
   req: {
     maxRedirects: 15,
+    // RequestError: Cookie has domain set to a public suffix
+    // https://developer.mozilla.org/zh-CN/docs/Mozilla/QA/Marionette/Client
+    ignoreInvalidCookies: true,
     retry: {
       decompress: true,
       limit: MAX_RETRY,
+      maxRetryAfter: MAX_RETRY_AFTER,
       /**
        * if you would like to implement it yourself,
        * set error.retryLimitExceeded to 1 or true if
@@ -55,6 +60,25 @@ const defaultOptions = {
           error.response && error.response.statusCode === 429) {
           // add random delay
           delay += 3000 + Math.random() * 3000;
+          if (error.response.headers &&
+            error.response.headers['retry-after']) {
+            let retryAfter = parseInt(error.response.headers['retry-after']);
+            if (Number.isNaN(retryAfter)) {
+              retryAfter = Date.parse(error.response.headers['retry-after']) - Date.now();
+            } else {
+              retryAfter *= 1000;
+            }
+            if (!isNaN(retryAfter)) {
+              retryAfter |= 0;
+              if (retryOptions.maxRetryAfter) {
+                if (retryAfter <= retryOptions.maxRetryAfter) {
+                  delay = retryAfter;
+                }
+              } else {
+                delay = retryAfter;
+              }
+            }
+          }
         }
         delay |= 0;
         return delay;