[BATIK-1247] Parsing short relative hyper refrences in jar packed svg files causes java.lang.IndexOutOfBoundsException

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 1.10
• Component/s: Utilities
• Assignee: Unassigned
• Reporter: Mario Förster
• Created: 21/Dec/18 13:08
• Updated: 21/Dec/18 13:08

Description

If there is a short relative hyper refrence less four chars length in total within a svg file which is packed into a jar file. Loading it will cause an java.lang.IndexOutOfBoundsException to be thrown.

example file:

 

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="320" height="320" viewBox="0 0 320 320" stroke-linecap="round" stroke="#000">
  <defs>
    <path id="r" d="m160,160l0,0 0,0">
    </path>
  </defs>
  <use xlink:href="#r"/>
</svg>

 

 

Point of failure:

org.apache.batik.util.ParsedURLJarProtocolHandler - parseURL Method

String start = urlStr.substring(0, JAR.length()+1).toLowerCase();

 

Problem should be solved by adding an additional check within org.apache.batik.util.ParsedURLJarProtocolHandler 's parseURL method or by using startsWith string method ...