Delete certificate before writing

Closes qzind#796
RebeccaDeField · May 3, 2021 · a0127c8 · a0127c8
1 parent 6b39f81
commit a0127c8
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/qz/installer/certificate/CertificateManager.java b/src/qz/installer/certificate/CertificateManager.java
@@ -279,6 +279,10 @@ public CertificateManager createTrustedKeystore(File pemKey, File pemCert) throw
     }
 
     public static void writeCert(X509Certificate data, File dest) throws IOException {
+        // PEMWriter doesn't always clear the file, explicitly delete it, see issue #796
+        if(dest.exists()) {
+            dest.delete();
+        }
         JcaMiscPEMGenerator cert = new JcaMiscPEMGenerator(data);
         JcaPEMWriter writer = new JcaPEMWriter(new OutputStreamWriter(Files.newOutputStream(dest.toPath(), StandardOpenOption.CREATE)));
         writer.writeObject(cert.generate());