From 654e2f38f7b9001c2d65069ab170d8f7b5762aa7 Mon Sep 17 00:00:00 2001
From: Maschell <Maschell@gmx.de>
Date: Sun, 16 Dec 2018 15:21:16 +0100
Subject: [PATCH] Ignore cases in filenames, EXT4 is case sensitive...

---
 .../implementations/NUSDataProviderLocal.java | 50 +++++++++++--------
 src/de/mas/wiiu/jnus/utils/FileUtils.java     | 15 ++++++
 2 files changed, 45 insertions(+), 20 deletions(-)

diff --git a/src/de/mas/wiiu/jnus/implementations/NUSDataProviderLocal.java b/src/de/mas/wiiu/jnus/implementations/NUSDataProviderLocal.java
index ba99ab7..1836068 100644
--- a/src/de/mas/wiiu/jnus/implementations/NUSDataProviderLocal.java
+++ b/src/de/mas/wiiu/jnus/implementations/NUSDataProviderLocal.java
@@ -26,6 +26,7 @@ import java.nio.file.Files;
 import de.mas.wiiu.jnus.NUSTitle;
 import de.mas.wiiu.jnus.Settings;
 import de.mas.wiiu.jnus.entities.content.Content;
+import de.mas.wiiu.jnus.utils.FileUtils;
 import de.mas.wiiu.jnus.utils.StreamUtils;
 import lombok.Getter;
 import lombok.extern.java.Log;
@@ -45,9 +46,9 @@ public final class NUSDataProviderLocal extends NUSDataProvider {
 
     @Override
     public InputStream getInputStreamFromContent(Content content, long offset) throws IOException {
-        File filepath = new File(getFilePathOnDisk(content));
-        if (!filepath.exists()) {
-            String errormsg = "Couldn't open \"" + filepath + "\", file does not exist";
+        File filepath = FileUtils.getFileIgnoringFilenameCases(getLocalPath(), content.getFilename());
+        if (filepath == null) {
+            String errormsg = "Couldn't open \"" + getLocalPath() + File.separator + content.getFilename() + "\", file does not exist";
             log.warning(errormsg);
             throw new FileNotFoundException(errormsg);
         }
@@ -58,38 +59,47 @@ public final class NUSDataProviderLocal extends NUSDataProvider {
 
     @Override
     public byte[] getContentH3Hash(Content content) throws IOException {
-        String h3Path = getLocalPath() + File.separator + String.format("%08X.h3", content.getID());
-        File h3File = new File(h3Path);
-        if (!h3File.exists()) {
-            String errormsg = "Couldn't open \"" + h3Path + "\", file does not exist";
+        String h3Filename = String.format("%08X.%s", content.getID(), Settings.H3_EXTENTION);
+        File filepath = FileUtils.getFileIgnoringFilenameCases(getLocalPath(), h3Filename);
+        if (filepath == null) {
+            String errormsg = "Couldn't open \"" + getLocalPath() + File.separator + h3Filename + "\", file does not exist";
             log.warning(errormsg);
             return new byte[0];
         }
-        return Files.readAllBytes(h3File.toPath());
+        return Files.readAllBytes(filepath.toPath());
     }
 
     @Override
     public byte[] getRawTMD() throws IOException {
-        String inputPath = getLocalPath();
-        String tmdPath = inputPath + File.separator + Settings.TMD_FILENAME;
-        File tmdFile = new File(tmdPath);
-        return Files.readAllBytes(tmdFile.toPath());
+        File file = FileUtils.getFileIgnoringFilenameCases(getLocalPath(), Settings.TMD_FILENAME);
+        if (file == null || file.exists()) {
+            String errormsg = "Couldn't open \"" + getLocalPath() + File.separator + Settings.TMD_FILENAME + "\", file does not exist";
+            log.warning(errormsg);
+            throw new FileNotFoundException(errormsg);
+        }
+        return Files.readAllBytes(file.toPath());
     }
 
     @Override
     public byte[] getRawTicket() throws IOException {
-        String inputPath = getLocalPath();
-        String ticketPath = inputPath + File.separator + Settings.TICKET_FILENAME;
-        File ticketFile = new File(ticketPath);
-        return Files.readAllBytes(ticketFile.toPath());
+        File file = FileUtils.getFileIgnoringFilenameCases(getLocalPath(), Settings.TICKET_FILENAME);
+        if (file == null || file.exists()) {
+            String errormsg = "Couldn't open \"" + getLocalPath() + File.separator + Settings.TICKET_FILENAME + "\", file does not exist";
+            log.warning(errormsg);
+            throw new FileNotFoundException(errormsg);
+        }
+        return Files.readAllBytes(file.toPath());
     }
 
     @Override
     public byte[] getRawCert() throws IOException {
-        String inputPath = getLocalPath();
-        String certPath = inputPath + File.separator + Settings.CERT_FILENAME;
-        File certFile = new File(certPath);
-        return Files.readAllBytes(certFile.toPath());
+        File file = FileUtils.getFileIgnoringFilenameCases(getLocalPath(), Settings.CERT_FILENAME);
+        if (file == null || file.exists()) {
+            String errormsg = "Couldn't open \"" + getLocalPath() + File.separator + Settings.CERT_FILENAME + "\", file does not exist";
+            log.warning(errormsg);
+            throw new FileNotFoundException(errormsg);
+        }
+        return Files.readAllBytes(file.toPath());
     }
 
     @Override
diff --git a/src/de/mas/wiiu/jnus/utils/FileUtils.java b/src/de/mas/wiiu/jnus/utils/FileUtils.java
index 1485f49..d9f9249 100644
--- a/src/de/mas/wiiu/jnus/utils/FileUtils.java
+++ b/src/de/mas/wiiu/jnus/utils/FileUtils.java
@@ -17,6 +17,7 @@
 package de.mas.wiiu.jnus.utils;
 
 import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -94,4 +95,18 @@ public final class FileUtils {
         tempFile.renameTo(outputFile);
     }
 
+    public static File getFileIgnoringFilenameCases(String folder, String filename) {
+        File filepath = new File(folder + File.separator + filename);
+        if (!filepath.exists()) {
+            // Try to find it ignoring cases.
+            File[] filesIngoringCases = new File(folder).listFiles(f -> f.getName().equalsIgnoreCase(filename));
+            if (filesIngoringCases.length == 1 && !filesIngoringCases[0].isDirectory()) {
+                return filesIngoringCases[0].getAbsoluteFile();
+            } else {
+                return null;
+            }
+        }
+        return filepath;
+    }
+
 }