init: writing pem files

src/commands/init.rs

@@ -1,14 +1,51 @@
 use clap::ArgMatches;
+use pem::{encode, Pem};
+use std::fs::File;
+use std::io::prelude::*;
 
 pub fn execute(matches: &ArgMatches) {
-    println!("Running client init!");
+    println!("Initialising client...");
 
     // don't unwrap it, pass it as it is, if it's None, choose a random
-    let provider_id = matches.value_of("providerID");
+    let id = matches.value_of("id");
+    let provider_id = matches.value_of("provider");
     let init_local = matches.is_present("local");
 
     println!(
-        "client init goes here with providerID: {:?} and running locally: {:?}",
-        provider_id, init_local
+        "id: {:?}, provider: {:?}, local: {:?}",
+        id, provider_id, init_local
+    );
+
+    write_pem_files();
+}
+
+fn write_pem_files() {
+    let key_directory = String::from("/home/dave/.nym/clients/foomp/config");
+    std::fs::create_dir_all(key_directory.clone()).unwrap();
+
+    let (private, public) = sphinx::crypto::keygen();
+    write_pem_file(
+        key_directory.clone(),
+        String::from("secret.pem"),
+        private.to_bytes().to_vec(),
+        String::from("SPHINX CURVE25519 PRIVATE KEY"),
+    );
+    write_pem_file(
+        key_directory.clone(),
+        String::from("public.pem"),
+        public.to_bytes().to_vec(),
+        String::from("SPHINX CURVE25519 PUBLIC KEY"),
     );
 }
+
+fn write_pem_file(directory: String, filename: String, data: Vec<u8>, tag: String) {
+    let pem = Pem {
+        tag,
+        contents: data,
+    };
+    let key = encode(&pem);
+
+    let full_path = directory + "/" + &filename;
+    let mut file = File::create(full_path).unwrap();
+    file.write_all(key.as_bytes()).unwrap();
+}