adding random token at the end of generated names. Fixes #14

src/account.rs

@@ -245,17 +245,26 @@ pub fn check_token(token: &str) -> bool {
 }
 
 // generates a new token
-pub fn gen_token() -> String {
+pub fn gen_token(size: usize) -> String {
     // Using /dev/random to generate random bytes
     let mut r = OsRng;
 
-    let mut my_secure_bytes = vec![0u8; 45];
+    let mut my_secure_bytes = vec![0u8; size];
     r.fill_bytes(&mut my_secure_bytes);
     base64::encode_config(my_secure_bytes, URL_SAFE_NO_PAD)
 }
 
+// generates a random username composed of
+// an adjective, a name and a 4-byte base64-encoded token.
+// with the default list, that represents:
+// 141 * 880 = 124 080
+// 255^4 / 2 = 2 114 125 312 (we lose approx. the half because of uppercase)
+// 2 114 125 312 * 124 080 = 2.623206687*10^14 possible combinations??
 pub fn gen_name() -> String {
-    format!("{}{}", list_rand(&ADJ_LIST), list_rand(&NAME_LIST))
+    // uppercasing gen_token because NC would probably refuse two
+    // users with the same name but a different case
+    // and that'd be a pain to debug
+    format!("{}{}-{}", list_rand(&ADJ_LIST), list_rand(&NAME_LIST), gen_token(4).to_uppercase())
 }
 
 pub fn list_rand(list: &[String]) -> &String {

src/forward.rs

@@ -218,7 +218,8 @@ pub async fn forward_register(
     }
 
     let nc_username = gen_name();
-    let nc_password = gen_token();
+    println!("gen_name: {}", nc_username);
+    let nc_password = gen_token(45);
     // attempts to create the account
     create_account(&client, &nc_username, &nc_password, lang.clone()).await?;
 
@@ -229,7 +230,7 @@ pub async fn forward_register(
         crash(lang.clone(), "error_forwardregister_pool")
     })?;
 
-    let token = gen_token();
+    let token = gen_token(45);
 
     // store the result in DB
     let form_result = Form::insert(