backend signup

backend/src/auth/password.rs

@@ -1,8 +1,9 @@
 use anyhow::{anyhow, Result};
 use argon2::{
-    password_hash::{PasswordHash, PasswordVerifier},
+    password_hash::{PasswordHash, PasswordHasher, PasswordVerifier, SaltString},
     Argon2,
 };
+use rand::rngs::OsRng;
 
 pub fn verify_password(password: &str, password_hash: &str) -> Result<bool> {
     let parsed_hash = PasswordHash::new(password_hash).map_err(|err| anyhow!(err))?;
@@ -10,3 +11,11 @@ pub fn verify_password(password: &str, password_hash: &str) -> Result<bool> {
         .verify_password(password.as_bytes(), &parsed_hash)
         .is_ok())
 }
+
+pub fn hash_password(password: &str) -> Result<String> {
+    let salt = SaltString::generate(&mut OsRng);
+    let hash = Argon2::default()
+        .hash_password(password.as_bytes(), &salt)
+        .map_err(|err| anyhow!(err))?;
+    Ok(hash.to_string())
+}