Implementation of 'encrypt'.

[rup.git] / src / main.rs

diff --git a/src/main.rs b/src/main.rs
index c5a7dc1..b86ce57 100644 (file)
--- a/src/main.rs
+++ b/src/main.rs
@@ -62,11 +62,10 @@ fn get_exe_name() -> String {
 
 fn print_usage() {
     println!("Usage:");
-    println!(" {} [--help] [--encrypt <message>]", get_exe_name());
+    println!(" {} [--help] [--encrypt <plain-text>|--decrypt <cipher-text>]", get_exe_name());
 }
 
 fn read_key() -> String {
-    use url::percent_encoding::percent_decode;
     let mut key = String::new();
     File::open(consts::FILE_KEY)
         .expect(&format!("Failed to open key file: {}", consts::FILE_KEY))
@@ -74,7 +73,7 @@ fn read_key() -> String {
         .expect(&format!("Failed to read key file: {}", consts::FILE_KEY));
 
     String::from(
-        percent_decode(key.as_bytes())
+        url::percent_encoding::percent_decode(key.as_bytes())
             .decode_utf8()
             .expect(&format!("Failed to decode key file: {}", consts::FILE_KEY))
     )
@@ -91,8 +90,21 @@ fn main() -> std::io::Result<()> {
     } else if let Some((position_arg_encrypt, _)) = args.iter().find_position(|arg| arg == &"--encrypt") {
         match args.iter().nth(position_arg_encrypt + 1) {
             Some(mess_to_encrypt) => {
+
                 let encrypted_mess = crypto::encrypt(&key, mess_to_encrypt);
-                println!("Encrypted message: {}", encrypted_mess);
+                let encrypted_mess_encoded = url::percent_encoding::utf8_percent_encode(&encrypted_mess, url::percent_encoding::DEFAULT_ENCODE_SET).to_string();
+                println!("Encrypted message percent-encoded: {}", encrypted_mess_encoded);
+            }
+            None => print_usage()
+        }
+
+        return Ok(());
+    } else if let Some((position_arg_decrypt, _)) = args.iter().find_position(|arg| arg == &"--decrypt") {
+        match args.iter().nth(position_arg_decrypt + 1) {
+            Some(cipher_text) => {
+                let cipher_text_decoded = url::percent_encoding::percent_decode(cipher_text.as_bytes()).decode_utf8().expect("Unable to decode encoded cipher text");
+                let plain_text = crypto::decrypt(&key, &cipher_text_decoded).unwrap();
+                println!("Decrypted message: {}", plain_text);
             }
             None => print_usage()
         }