handle exception

app/src/main/java/foundation/e/apps/application/model/IntegrityVerificationTask.kt

@@ -91,41 +91,46 @@ class IntegrityVerificationTask(
             apkInputStream: BufferedInputStream,
             apkSignatureInputStream: InputStream,
             publicKeyInputStream: InputStream): Boolean {
+        try {
 
-        var jcaPGPObjectFactory =
-                JcaPGPObjectFactory(PGPUtil.getDecoderStream(apkSignatureInputStream))
-        val pgpSignatureList: PGPSignatureList
+            var jcaPGPObjectFactory =
+                    JcaPGPObjectFactory(PGPUtil.getDecoderStream(apkSignatureInputStream))
+            val pgpSignatureList: PGPSignatureList
 
-        val pgpObject = jcaPGPObjectFactory.nextObject()
-        if (pgpObject is PGPCompressedData) {
-            jcaPGPObjectFactory = JcaPGPObjectFactory(pgpObject.dataStream)
-            pgpSignatureList = jcaPGPObjectFactory.nextObject() as PGPSignatureList
-        } else {
-            pgpSignatureList = pgpObject as PGPSignatureList
-        }
+            val pgpObject = jcaPGPObjectFactory.nextObject()
+            if (pgpObject is PGPCompressedData) {
+                jcaPGPObjectFactory = JcaPGPObjectFactory(pgpObject.dataStream)
+                pgpSignatureList = jcaPGPObjectFactory.nextObject() as PGPSignatureList
+            } else {
+                pgpSignatureList = pgpObject as PGPSignatureList
+            }
 
-        val pgpPublicKeyRingCollection =
-                PGPPublicKeyRingCollection(
-                        PGPUtil.getDecoderStream(publicKeyInputStream),
-                        JcaKeyFingerprintCalculator())
+            val pgpPublicKeyRingCollection =
+                    PGPPublicKeyRingCollection(
+                            PGPUtil.getDecoderStream(publicKeyInputStream),
+                            JcaKeyFingerprintCalculator())
 
-        val signature = pgpSignatureList.get(0)
-        val key = pgpPublicKeyRingCollection.getPublicKey(signature.keyID)
+            val signature = pgpSignatureList.get(0)
+            val key = pgpPublicKeyRingCollection.getPublicKey(signature.keyID)
 
-        signature.init(BcPGPContentVerifierBuilderProvider(), key)
+            signature.init(BcPGPContentVerifierBuilderProvider(), key)
 
-        val buff = ByteArray(1024)
-        var read = apkInputStream.read(buff)
-        while (read != -1) {
-            signature.update(buff, 0, read)
-            read = apkInputStream.read(buff)
-        }
+            val buff = ByteArray(1024)
+            var read = apkInputStream.read(buff)
+            while (read != -1) {
+                signature.update(buff, 0, read)
+                read = apkInputStream.read(buff)
+            }
 
-        apkInputStream.close()
-        apkSignatureInputStream.close()
-        publicKeyInputStream.close()
+            apkInputStream.close()
+            apkSignatureInputStream.close()
+            publicKeyInputStream.close()
 
-        return signature.verify()
+            return signature.verify()
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+        return false;
 
     }
 }