1 files changed, 118 insertions, 0 deletions
diff --git a/app/src/main/java/com/wireguard/config/BadConfigException.java b/app/src/main/java/com/wireguard/config/BadConfigException.java
new file mode 100644
index 00000000..7f794a35
--- /dev/null
+++ b/app/src/main/java/com/wireguard/config/BadConfigException.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright © 2018 WireGuard LLC. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.wireguard.config;
+
+import android.support.annotation.Nullable;
+
+import com.wireguard.crypto.KeyFormatException;
+
+public class BadConfigException extends Exception {
+    private final Location location;
+    private final Reason reason;
+    private final Section section;
+    @Nullable private final CharSequence text;
+
+    private BadConfigException(final Section section, final Location location,
+                               final Reason reason, @Nullable final CharSequence text,
+                               @Nullable final Throwable cause) {
+        super(cause);
+        this.section = section;
+        this.location = location;
+        this.reason = reason;
+        this.text = text;
+    }
+
+    public BadConfigException(final Section section, final Location location,
+                              final Reason reason, @Nullable final CharSequence text) {
+        this(section, location, reason, text, null);
+    }
+
+    public BadConfigException(final Section section, final Location location,
+                              final KeyFormatException cause) {
+        this(section, location, Reason.INVALID_KEY, null, cause);
+    }
+
+    public BadConfigException(final Section section, final Location location,
+                              @Nullable final CharSequence text,
+                              final NumberFormatException cause) {
+        this(section, location, Reason.INVALID_NUMBER, text, cause);
+    }
+
+    public BadConfigException(final Section section, final Location location,
+                              final ParseException cause) {
+        this(section, location, Reason.INVALID_VALUE, cause.getText(), cause);
+    }
+
+    public Location getLocation() {
+        return location;
+    }
+
+    public Reason getReason() {
+        return reason;
+    }
+
+    public Section getSection() {
+        return section;
+    }
+
+    @Nullable
+    public CharSequence getText() {
+        return text;
+    }
+
+    public enum Location {
+        TOP_LEVEL(""),
+        ADDRESS("Address"),
+        ALLOWED_IPS("AllowedIPs"),
+        DNS("DNS"),
+        ENDPOINT("Endpoint"),
+        EXCLUDED_APPLICATIONS("ExcludedApplications"),
+        LISTEN_PORT("ListenPort"),
+        MTU("MTU"),
+        PERSISTENT_KEEPALIVE("PersistentKeepalive"),
+        PRE_SHARED_KEY("PresharedKey"),
+        PRIVATE_KEY("PrivateKey"),
+        PUBLIC_KEY("PublicKey");
+
+        private final String name;
+
+        Location(final String name) {
+            this.name = name;
+        }
+
+        public String getName() {
+            return name;
+        }
+    }
+
+    public enum Reason {
+        INVALID_KEY,
+        INVALID_NUMBER,
+        INVALID_VALUE,
+        MISSING_ATTRIBUTE,
+        MISSING_SECTION,
+        MISSING_VALUE,
+        SYNTAX_ERROR,
+        UNKNOWN_ATTRIBUTE,
+        UNKNOWN_SECTION
+    }
+
+    public enum Section {
+        CONFIG("Config"),
+        INTERFACE("Interface"),
+        PEER("Peer");
+
+        private final String name;
+
+        Section(final String name) {
+            this.name = name;
+        }
+
+        public String getName() {
+            return name;
+        }
+    }
+}