Issue 5146 - Part 2: Process http response in C++

lib/synchronizer.js

Index: lib/synchronizer.js
===================================================================
--- a/lib/synchronizer.js
+++ b/lib/synchronizer.js
@@ -140,27 +140,24 @@
   {
     let subscription = Subscription.fromURL(downloadable.url);
     FilterNotifier.triggerListeners("subscription.downloading", subscription);
   },
 
   _onDownloadSuccess(downloadable, responseText, errorCallback,
                      redirectCallback)
   {
-    let lines = responseText.split(/[\r\n]+/);
-    let headerMatch = /\[Adblock(?:\s*Plus\s*([\d.]+)?)?\]/i.exec(lines[0]);
-    if (!headerMatch)
-      return errorCallback("synchronize_invalid_data");
-    let minVersion = headerMatch[1];
-
     let parser = DownloadableSubscription.parseDownload();
 
-    // Process filters
-    for (let line of lines)
-      parser.process(line);
+    if (!parser.process(responseText))
+    {
+      let {error} = parser;
+      parser.delete();
+      return errorCallback(error);
+    }
 
     if (parser.redirect)
     {
       let {redirect} = parser;
       parser.delete();
       return redirectCallback(redirect);
     }
 
@@ -203,21 +200,16 @@
       {
         url = null;
       }
 
       if (url && (url.protocol == "http:" || url.protocol == "https:"))
         subscription.homepage = url.href;
     }
 
-    if (minVersion)
-      subscription.requiredVersion = minVersion;
-    else
-      delete subscription.requiredVersion;
-
     let expirationInterval = DEFAULT_EXPIRATION_INTERVAL;
     let expiration = parser.finalize(subscription);
     if (expiration != 0)
       expirationInterval = expiration;
 
     let [
       softExpiration,
       hardExpiration