From 040d338ae0f460966b578c3d26d1c51a6205dc1e Mon Sep 17 00:00:00 2001
From: antifallobst <antifallobst@systemausfall.org>
Date: Thu, 17 Aug 2023 00:57:08 +0200
Subject: [PATCH] feat(api): fully implemented the authenticate endpoint

---
 src/accounts.rs             | 12 +++++++++++-
 src/api/account/handlers.rs | 15 ++++++++++++---
 2 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/src/accounts.rs b/src/accounts.rs
index 17b2eb9..cb22ffc 100644
--- a/src/accounts.rs
+++ b/src/accounts.rs
@@ -93,7 +93,7 @@ impl Account {
             Err(e) => Err(Error::new(e)),
         }
     }
-    
+
     pub async fn from_email(pool: &MySqlPool, email: &String) -> Result<Option<Self>> {
         match sqlx::query!(r#"SELECT * FROM Accounts WHERE email = ?;"#, email)
             .fetch_one(pool)
@@ -115,4 +115,14 @@ impl Account {
             Err(e) => Err(Error::new(e)),
         }
     }
+
+    pub async fn check_password(&self, password: String) -> Result<bool> {
+        let hash = PasswordHash::new(self.password.as_str())
+            .map_err(|_| anyhow::Error::msg("Failed to parse the password hash"))?;
+
+        match Pbkdf2.verify_password(password.as_bytes(), &hash) {
+            Ok(_) => Ok(true),
+            Err(_) => Ok(false),
+        }
+    }
 }
diff --git a/src/api/account/handlers.rs b/src/api/account/handlers.rs
index fad0686..6f8b625 100644
--- a/src/api/account/handlers.rs
+++ b/src/api/account/handlers.rs
@@ -102,10 +102,19 @@ pub async fn authenticate(
         return Ok(data::AuthenticateResponse::Blocked);
     }
 
+    let account = match Account::from_username(pool, &request.username).await? {
+        Some(a) => a,
+        None => return Ok(data::AuthenticateResponse::UserNotFound),
+    };
+
+    if !account.check_password(request.password).await? {
+        return Ok(data::AuthenticateResponse::WrongPassword);
+    }
+
+    let token = AuthToken::new(pool, account.id, chrono::Duration::days(7)).await?;
+
     Ok(data::AuthenticateResponse::Success(
-        data::AuthenticateSuccess {
-            token: "not_a_valid_token".to_string(),
-        },
+        data::AuthenticateSuccess { token: token.token },
     ))
 }