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FileInputStream: resolve resource urls obtained from URL.getPath() 

Ex. Aeon Flux, Petit Prince open files from JAR with code like:
new FileInputStream(ClassLoader.getResource("menu.bin").getPath());
-> "file:/tmp/libbluray-bdj-cache/100d22e59d6d4/VFSCache/BDMV/JAR/00001.jar!/menu.bin"

Fixes #5
This commit is contained in:
hpi1 2019-04-19 22:54:17 +03:00
parent 109bbb0089
commit 38bbd8e8b1
1 changed files with 22 additions and 0 deletions
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22
src/libbluray/bdj/java-j2se/java/io/FileInputStream.java
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@ -23,6 +23,7 @@ import java.lang.reflect.InvocationTargetException;
import org.videolan.BDJLoader;
import org.videolan.BDJXletContext;
import org.videolan.Logger;
import org.videolan.MountManager;
public class FileInputStream extends InputStream
{
@ -38,6 +39,27 @@ public class FileInputStream extends InputStream
public FileInputStream(File file) throws FileNotFoundException {
String name = file != null ? file.getPath() : null;
/* Resolve resource urls obtained from URL.getPath(). */
/* Ex. Aeon Flux, Petit Prince: file:/tmp/libbluray-bdj-cache/100d22e59d6d4/VFSCache/BDMV/JAR/00001.jar!/menu.bin */
if (name != null && name.startsWith("file:")) {
int idx;
if ((idx = name.indexOf(".jar!/")) > 0 || (idx = name.indexOf(".jar!\\")) > 0) {
try {
String mountPoint = MountManager.getMount(Integer.parseInt(name.substring(idx - 5, idx)));
if (mountPoint != null) {
name = mountPoint + name.substring(idx + 5);
getLogger().info("Fixing invalid resource url " + file + " --> " + name);
file = new File(name);
}
} catch (Exception e) {
getLogger().error("" + e);
}
}
}
if (name.startsWith("file:")) {
System.err.println("ERROR: URL in FileInputStream: " + name);
}
SecurityManager security = System.getSecurityManager();
if (security != null) {
security.checkRead(name);