Add --upload_timeout bootstrap option (#2363)

src/main/java/JettyLauncher.java

@@ -42,6 +42,9 @@ public class JettyLauncher {
                         case "--max_file_size":
                             System.setProperty("gitbucket.maxFileSize", dim[1]);
                             break;
+                        case "--upload_timeout":
+                            System.setProperty("gitbucket.UploadTimeout", dim[1]);
+                            break;
                         case "--gitbucket.home":
                             System.setProperty("gitbucket.home", dim[1]);
                             break;

src/main/scala/gitbucket/core/util/FileUtil.scala

@@ -96,4 +96,10 @@ object FileUtil {
     else
       3 * 1024 * 1024
 
+  lazy val UploadTimeout =
+    if (System.getProperty("gitbucket.UploadTimeout") != null)
+      System.getProperty("gitbucket.UploadTimeout").toLong
+    else
+      3 * 10000
+
 }

src/main/twirl/gitbucket/core/helper/attached.scala.html

@@ -66,6 +66,8 @@ $(function(){
 @dropzone(clickable: Boolean, textareaId: Option[String]) = {
   url: '@context.path/upload/file/@repository.owner/@repository.name',
   maxFilesize: @{FileUtil.MaxFileSize / 1024 / 1024},
+  //timeout defaults to 30 secs
+  timeout: @{FileUtil.UploadTimeout},
   clickable: @clickable,
   previewTemplate: "<div class=\"dz-preview\">\n  <div class=\"dz-progress\"><span class=\"dz-upload\" data-dz-uploadprogress>Uploading your files...</span></div>\n  <div class=\"dz-error-message\"><span data-dz-errormessage></span></div>\n</div>",
   success: function(file, id) {

src/main/twirl/gitbucket/core/releases/form.scala.html

@@ -73,6 +73,8 @@ $(function(){
   $("#drop").dropzone({
     maxFilesize: @{gitbucket.core.util.FileUtil.MaxFileSize / 1024 / 1024},
     url: '@context.path/upload/release/@repository.owner/@repository.name/@helpers.encodeRefName(tag.name)',
+    //timeout defaults to 30 secs
+    timeout: @{gitbucket.core.util.FileUtil.UploadTimeout},
     previewTemplate: "<div class=\"dz-preview\">\n  <div class=\"dz-progress\"><span class=\"dz-upload\" data-dz-uploadprogress>Uploading your files...</span></div>\n  <div class=\"dz-error-message\"><span data-dz-errormessage></span></div>\n</div>",
     success: function(file, id) {
       var attach =