win,build: try multiple timeservers when signing

PR-URL: https://github.com/nodejs/node/pull/9155
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: João Reis <reis@janeasystems.com>

tools/sign.bat

@@ -0,0 +1,15 @@
+@echo off
+
+set timeservers=(http://timestamp.globalsign.com/scripts/timestamp.dll http://timestamp.comodoca.com/authenticode http://timestamp.verisign.com/scripts/timestamp.dll http://tsa.starfieldtech.com)
+
+for %%s in %timeservers% do (
+    signtool sign /a /d "Node.js" /du "https://nodejs.org" /t %%s %1
+    if not ERRORLEVEL 1 (
+        echo Successfully signed %1 using timeserver %%s
+        exit /b 0
+    )
+    echo Signing %1 failed using %%s
+)
+
+echo Could not sign %1 using any available timeserver
+exit /b 1

vcbuild.bat

@@ -191,7 +191,7 @@ if "%target%" == "Clean" goto exit
 @rem Skip signing if the `nosign` option was specified.
 if defined nosign goto licensertf
 
-signtool sign /a /d "Node.js" /du "https://nodejs.org" /t http://timestamp.globalsign.com/scripts/timestamp.dll Release\node.exe
+call tools\sign.bat Release\node.exe
 if errorlevel 1 echo Failed to sign exe&goto exit
 
 :licensertf
@@ -269,7 +269,7 @@ msbuild "%~dp0tools\msvs\msi\nodemsi.sln" /m /t:Clean,Build /p:PlatformToolset=%
 if errorlevel 1 goto exit
 
 if defined nosign goto upload
-signtool sign /a /d "Node.js" /du "https://nodejs.org" /t http://timestamp.globalsign.com/scripts/timestamp.dll node-v%FULLVERSION%-%target_arch%.msi
+call tools\sign.bat node-v%FULLVERSION%-%target_arch%.msi
 if errorlevel 1 echo Failed to sign msi&goto exit
 
 :upload