From 238df77a1e4c7675857f5916e9c74f51bd50c541 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Thu, 25 Jul 2019 17:01:43 +0200
Subject: [PATCH] catch IllegalArgumentException when reading backup file

---
 .../eu/siacs/conversations/services/ImportBackupService.java  | 2 +-
 .../java/eu/siacs/conversations/ui/ImportBackupActivity.java  | 2 +-
 .../java/eu/siacs/conversations/utils/BackupFileHeader.java   | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/conversations/java/eu/siacs/conversations/services/ImportBackupService.java b/src/conversations/java/eu/siacs/conversations/services/ImportBackupService.java
index d8246a6af..66ebd7c3a 100644
--- a/src/conversations/java/eu/siacs/conversations/services/ImportBackupService.java
+++ b/src/conversations/java/eu/siacs/conversations/services/ImportBackupService.java
@@ -137,7 +137,7 @@ public class ImportBackupService extends Service {
                             } else {
                                 backupFiles.add(backupFile);
                             }
-                        } catch (IOException e) {
+                        } catch (IOException | IllegalArgumentException e) {
                             Log.d(Config.LOGTAG, "unable to read backup file ", e);
                         }
                     }
diff --git a/src/conversations/java/eu/siacs/conversations/ui/ImportBackupActivity.java b/src/conversations/java/eu/siacs/conversations/ui/ImportBackupActivity.java
index d6dbfd222..da4512465 100644
--- a/src/conversations/java/eu/siacs/conversations/ui/ImportBackupActivity.java
+++ b/src/conversations/java/eu/siacs/conversations/ui/ImportBackupActivity.java
@@ -124,7 +124,7 @@ public class ImportBackupActivity extends ActionBarActivity implements ServiceCo
         try {
             final ImportBackupService.BackupFile backupFile = ImportBackupService.BackupFile.read(this, uri);
             showEnterPasswordDialog(backupFile, finishOnCancel);
-        } catch (IOException e) {
+        } catch (IOException | IllegalArgumentException e) {
             Snackbar.make(binding.coordinator, R.string.not_a_backup_file, Snackbar.LENGTH_LONG).show();
         }
     }
diff --git a/src/main/java/eu/siacs/conversations/utils/BackupFileHeader.java b/src/main/java/eu/siacs/conversations/utils/BackupFileHeader.java
index bc86a5d24..5e8b80f81 100644
--- a/src/main/java/eu/siacs/conversations/utils/BackupFileHeader.java
+++ b/src/main/java/eu/siacs/conversations/utils/BackupFileHeader.java
@@ -49,7 +49,7 @@ public class BackupFileHeader {
     public static BackupFileHeader read(DataInputStream inputStream) throws IOException {
         final int version = inputStream.readInt();
         if (version > VERSION) {
-            throw new IllegalArgumentException("Backup File version was "+version+" but app only supports up to version "+VERSION);
+            throw new IllegalArgumentException("Backup File version was " + version + " but app only supports up to version " + VERSION);
         }
         String app = inputStream.readUTF();
         String jid = inputStream.readUTF();
@@ -59,7 +59,7 @@ public class BackupFileHeader {
         byte[] salt = new byte[16];
         inputStream.readFully(salt);
 
-        return new BackupFileHeader(app,Jid.of(jid),timestamp,iv,salt);
+        return new BackupFileHeader(app, Jid.of(jid), timestamp, iv, salt);
 
     }