From 4a85a55290b8a87bb8bad1e9f3c6fd1c620b4dc9 Mon Sep 17 00:00:00 2001
From: Bartha Maxime <231026@umons.ac.be>
Date: Wed, 6 Mar 2024 17:38:09 +0100
Subject: [PATCH] added Token and User Services

---
 .../herisson/Clyde/Services/TokenService.java | 36 +++++++++++++++++++
 .../herisson/Clyde/Services/UserService.java  | 36 +++++++++++++++++++
 2 files changed, 72 insertions(+)
 create mode 100644 backend/src/main/java/ovh/herisson/Clyde/Services/TokenService.java
 create mode 100644 backend/src/main/java/ovh/herisson/Clyde/Services/UserService.java

diff --git a/backend/src/main/java/ovh/herisson/Clyde/Services/TokenService.java b/backend/src/main/java/ovh/herisson/Clyde/Services/TokenService.java
new file mode 100644
index 0000000..b427735
--- /dev/null
+++ b/backend/src/main/java/ovh/herisson/Clyde/Services/TokenService.java
@@ -0,0 +1,36 @@
+package ovh.herisson.Clyde.Services;
+
+import org.springframework.stereotype.Service;
+import ovh.herisson.Clyde.Repositories.TokenRepository;
+import ovh.herisson.Clyde.Tables.Token;
+import ovh.herisson.Clyde.Tables.User;
+
+import java.nio.charset.StandardCharsets;
+import java.security.SecureRandom;
+import java.util.Date;
+
+@Service
+public class TokenService {
+
+    TokenRepository tokenRepo;
+
+    public TokenService(TokenRepository tokenRepo){
+        this.tokenRepo = tokenRepo;
+    }
+
+
+    public String generateNewToken(){
+        byte[] bytes = new byte[64];
+        new SecureRandom().nextBytes(bytes);
+        String token = new String(bytes, StandardCharsets.US_ASCII);
+        System.out.println(token);
+        return token;
+    }
+
+
+    //todo potentiellement return bool pour savoir si token bien add
+    public void saveToken(String token, User user, Date expirationDate){
+        tokenRepo.save(new Token(user,token));
+    }
+
+}
\ No newline at end of file
diff --git a/backend/src/main/java/ovh/herisson/Clyde/Services/UserService.java b/backend/src/main/java/ovh/herisson/Clyde/Services/UserService.java
new file mode 100644
index 0000000..b2c080d
--- /dev/null
+++ b/backend/src/main/java/ovh/herisson/Clyde/Services/UserService.java
@@ -0,0 +1,36 @@
+package ovh.herisson.Clyde.Services;
+
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.stereotype.Service;
+import ovh.herisson.Clyde.Repositories.UserRepository;
+import ovh.herisson.Clyde.Tables.User;
+
+@Service
+public class UserService {
+
+    private final UserRepository userRepo;
+    private final BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
+
+
+    public UserService(UserRepository userRepo){
+        this.userRepo = userRepo;
+    }
+
+
+    public User getUser(String identifier){
+        if (identifier == null) return null;
+        try {
+            int id = Integer.parseInt(identifier);
+            return userRepo.findById(id);
+        }
+        catch (NumberFormatException nfe){
+            return userRepo.findByEmail(identifier);
+        }
+    }
+
+
+    public boolean checkPassword(User user, String tryingPassword){
+        return passwordEncoder.matches(tryingPassword,  user.getPassword());
+    }
+
+}