1 files changed, 55 insertions, 0 deletions
diff --git a/browser/app/nmhproxy/src/main.rs b/browser/app/nmhproxy/src/main.rs
new file mode 100644
index 0000000000..de9cd8c2a3
--- /dev/null
+++ b/browser/app/nmhproxy/src/main.rs
@@ -0,0 +1,55 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+mod commands;
+use commands::ResultCode;
+use std::io::Error;
+use std::io::ErrorKind;
+
+fn main() -> Result<(), Error> {
+    // The general structure of these functions is to print error cases to
+    // stdout so that the extension can read them and then do error-handling
+    // on that end.
+    let message_length: u32 =
+        commands::read_message_length(std::io::stdin()).or_else(|_| -> Result<u32, _> {
+            commands::generate_response("Failed to read message length", ResultCode::Error.into())
+                .expect("JSON error");
+            return Err(Error::new(
+                ErrorKind::InvalidInput,
+                "Failed to read message length",
+            ));
+        })?;
+    let message: String = commands::read_message_string(std::io::stdin(), message_length).or_else(
+        |_| -> Result<String, _> {
+            commands::generate_response("Failed to read message", ResultCode::Error.into())
+                .expect("JSON error");
+            return Err(Error::new(
+                ErrorKind::InvalidInput,
+                "Failed to read message",
+            ));
+        },
+    )?;
+    // Deserialize the message with the following expected format
+    let native_messaging_json: commands::FirefoxCommand =
+        serde_json::from_str(&message).or_else(|_| -> Result<commands::FirefoxCommand, _> {
+            commands::generate_response(
+                "Failed to deserialize message JSON",
+                ResultCode::Error.into(),
+            )
+            .expect("JSON error");
+            return Err(Error::new(
+                ErrorKind::InvalidInput,
+                "Failed to deserialize message JSON",
+            ));
+        })?;
+    commands::process_command(&native_messaging_json).or_else(|_| -> Result<bool, _> {
+        commands::generate_response("Failed to process command", ResultCode::Error.into())
+            .expect("JSON error");
+        return Err(Error::new(
+            ErrorKind::InvalidInput,
+            "Failed to process command",
+        ));
+    })?;
+    Ok(())
+}