IT WORKS almost

src/main/java/stirling/software/SPDF/config/AppConfig.java

@@ -7,12 +7,22 @@ import org.springframework.context.annotation.Configuration;
 public class AppConfig {
 	
 	
+	
+	@Bean(name = "rateLimit")
+    public boolean rateLimit() {
+        String appName = System.getProperty("rateLimit");
+        if (appName == null) 
+            appName = System.getenv("rateLimit");
+        System.out.println("rateLimit=" + appName);
+        return (appName != null) ? Boolean.valueOf(appName) : false;
+    }
+	
 	@Bean(name = "loginEnabled")
     public boolean loginEnabled() {
         String appName = System.getProperty("login.enabled");
         if (appName == null) 
             appName = System.getenv("login.enabled");
-        
+        System.out.println("loginEnabled=" + appName);
         return (appName != null) ? Boolean.valueOf(appName) : false;
     }
 	

src/main/java/stirling/software/SPDF/config/UserBasedRateLimitingFilter.java

@@ -6,6 +6,7 @@ import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.http.HttpStatus;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolder;
@@ -30,11 +31,21 @@ public class UserBasedRateLimitingFilter extends OncePerRequestFilter {
     @Autowired
     private UserDetailsService userDetailsService;
 
+    @Autowired
+    @Qualifier("rateLimit")
+    public boolean rateLimit;
+
     @Override
     protected void doFilterInternal(HttpServletRequest request,
                                     HttpServletResponse response,
                                     FilterChain filterChain) throws ServletException, IOException {
 
+        if (!rateLimit) {
+            // If rateLimit is not enabled, just pass all requests without rate limiting
+            filterChain.doFilter(request, response);
+            return;
+        }
+
         String method = request.getMethod();
 
         if (!"POST".equalsIgnoreCase(method)) {
@@ -43,14 +54,23 @@ public class UserBasedRateLimitingFilter extends OncePerRequestFilter {
             return;
         }
 
-    String identifier;
+        String identifier = null;
-    Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
 
+        // Check for API key in the request headers
+        String apiKey = request.getHeader("X-API-Key");
+        if (apiKey != null && !apiKey.trim().isEmpty()) {
+            identifier = "API_KEY_" + apiKey; // Prefix to distinguish between API keys and usernames
+        } else {
+            Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
             if (authentication != null && authentication.isAuthenticated()) {
                 UserDetails userDetails = (UserDetails) authentication.getPrincipal();
                 identifier = userDetails.getUsername();
-    } else {
+            }
-        identifier = request.getRemoteAddr(); // Use IP as identifier if not authenticated
+        }
+
+        // If neither API key nor an authenticated user is present, use IP address
+        if (identifier == null) {
+            identifier = request.getRemoteAddr();
         }
 
         Bucket userBucket = buckets.computeIfAbsent(identifier, k -> createUserBucket());
@@ -72,7 +92,7 @@ private Bucket createUserBucket() {
         Bandwidth limit = Bandwidth.classic(1000, Refill.intervally(1000, Duration.ofDays(1)));
         return Bucket.builder().addLimit(limit).build();
     }
-
 }
 
 
+

src/main/java/stirling/software/SPDF/config/security/CustomUserDetailsService.java

@@ -23,6 +23,7 @@ public class CustomUserDetailsService implements UserDetailsService {
     @Autowired
     private UserRepository userRepository;
 
+   
     @Override
     public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
         User user = userRepository.findByUsername(username)

src/main/java/stirling/software/SPDF/config/security/SecurityConfiguration.java

@@ -5,6 +5,7 @@ import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Lazy;
 import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
@@ -14,7 +15,7 @@ import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
-
+import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
 @Configuration
 public class SecurityConfiguration {
 
@@ -25,14 +26,23 @@ public class SecurityConfiguration {
     public PasswordEncoder passwordEncoder() {
         return new BCryptPasswordEncoder();
     }
+    @Autowired
+    @Lazy
+    private UserService userService;
     
     @Autowired
     @Qualifier("loginEnabled")
     public boolean loginEnabledValue;
     
+    @Autowired
+    private UserAuthenticationFilter userAuthenticationFilter;
+    
     @Bean
     public SecurityFilterChain filterChain(HttpSecurity http) throws Exception  {
+    	http.addFilterBefore(userAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);
+        
     	if(loginEnabledValue) {
+    		
 	    	http.csrf().disable();
 	        http
 	            .formLogin(formLogin -> formLogin
@@ -74,5 +84,7 @@ public class SecurityConfiguration {
         return authProvider;
     }
     
+    
+    
 }
 

src/main/java/stirling/software/SPDF/config/security/UserService.java

@@ -14,6 +14,7 @@ import java.util.HashMap;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.security.core.Authentication;
+import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UsernameNotFoundException;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
@@ -88,6 +89,21 @@ public class UserService {
         return userRepository.findByApiKey(apiKey);
     }
     
+    public UserDetails loadUserByApiKey(String apiKey) {
+        User userOptional = userRepository.findByApiKey(apiKey);
+        if (userOptional != null) {
+            User user = userOptional;
+            // Convert your User entity to a UserDetails object with authorities
+            return new org.springframework.security.core.userdetails.User(
+                user.getUsername(),
+                user.getPassword(), // you might not need this for API key auth
+                getAuthorities(user)
+            );
+        }
+        return null;  // or throw an exception
+    }
+    
+
     public boolean validateApiKeyForUser(String username, String apiKey) {
         Optional<User> userOpt = userRepository.findByUsername(username);
         return userOpt.isPresent() && userOpt.get().getApiKey().equals(apiKey);

src/main/java/stirling/software/SPDF/controller/api/UserController.java

@@ -6,6 +6,8 @@ import java.util.Map;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
@@ -16,6 +18,7 @@ import org.springframework.web.bind.annotation.RequestParam;
 
 import jakarta.servlet.http.HttpServletRequest;
 import stirling.software.SPDF.config.security.UserService;
+import stirling.software.SPDF.model.User;
 
 @Controller
 public class UserController {
@@ -69,5 +72,32 @@ public class UserController {
         return "redirect:/addUsers";
     }
     
+    @PostMapping("/get-api-key")
+    public ResponseEntity<String> getApiKey(Principal principal) {
+        if (principal == null) {
+            return ResponseEntity.status(HttpStatus.FORBIDDEN).body("User not authenticated.");
+        }
+        String username = principal.getName();
+        String apiKey = userService.getApiKeyForUser(username);
+        if (apiKey == null) {
+            return ResponseEntity.status(HttpStatus.NOT_FOUND).body("API key not found for user.");
+        }
+        return ResponseEntity.ok(apiKey);
+    }
+
+    @PostMapping("/update-api-key")
+    public ResponseEntity<String> updateApiKey(Principal principal) {
+        if (principal == null) {
+            return ResponseEntity.status(HttpStatus.FORBIDDEN).body("User not authenticated.");
+        }
+        String username = principal.getName();
+        User user = userService.refreshApiKeyForUser(username);
+        String apiKey = user.getApiKey();
+        if (apiKey == null) {
+            return ResponseEntity.status(HttpStatus.NOT_FOUND).body("API key not found for user.");
+        }
+        return ResponseEntity.ok(apiKey);
+    }
+    
     
 }

src/main/java/stirling/software/SPDF/model/ApiKeyAuthenticationToken.java

@@ -0,0 +1,49 @@
+package stirling.software.SPDF.model;
+import org.springframework.security.authentication.AbstractAuthenticationToken;
+import org.springframework.security.core.GrantedAuthority;
+
+import java.util.Collection;
+
+public class ApiKeyAuthenticationToken extends AbstractAuthenticationToken {
+
+    private final Object principal;
+    private Object credentials;
+
+    public ApiKeyAuthenticationToken(String apiKey) {
+        super(null);
+        this.principal = null;
+        this.credentials = apiKey;
+        setAuthenticated(false);
+    }
+
+    public ApiKeyAuthenticationToken(Object principal, String apiKey, Collection<? extends GrantedAuthority> authorities) {
+        super(authorities);
+        this.principal = principal;  // principal can be a UserDetails object
+        this.credentials = apiKey;
+        super.setAuthenticated(true); // this authentication is trusted
+    }
+
+    @Override
+    public Object getCredentials() {
+        return credentials;
+    }
+
+    @Override
+    public Object getPrincipal() {
+        return principal;
+    }
+
+    @Override
+    public void setAuthenticated(boolean isAuthenticated) throws IllegalArgumentException {
+        if (isAuthenticated) {
+            throw new IllegalArgumentException("Cannot set this token to trusted. Use constructor which takes a GrantedAuthority list instead.");
+        }
+        super.setAuthenticated(false);
+    }
+
+    @Override
+    public void eraseCredentials() {
+        super.eraseCredentials();
+        credentials = null;
+    }
+}

src/main/resources/templates/account.html

@@ -11,7 +11,7 @@
             <br> <br>
             <div class="container">
                 <div class="row justify-content-center">
-                    <div class="col-md-8">
+                    <div class="col-md-9">
 
                         <!-- User Settings Title -->
                         <h2 class="text-center" th:text="#{settings.accountSettings}">User Settings</h2>
@@ -58,6 +58,81 @@
                             </div>
                         </form>
 
+						<hr>
+						
+						<div class="card">
+					        <div class="card-header">
+					            Your API Key
+					        </div>
+					        <div class="card-body">
+					            <div class="input-group mb-3">
+					                <input type="password" class="form-control" id="apiKey" placeholder="Your API Key" readonly>
+					                <div class="input-group-append">
+					                    <button class="btn btn-outline-secondary" id="showBtn" type="button" onclick="showApiKey()">👁️ Show</button>
+					                    <button class="btn btn-outline-secondary" id="refreshBtn" type="button" onclick="refreshApiKey()">🔄 Refresh</button>
+					                </div>
+					            </div>
+					        </div>
+					    </div>
+					    
+					    <script>
+					    
+					    function showApiKey() {
+					        const apiKeyElement = document.getElementById("apiKey");
+					        if (apiKeyElement.type === "password") {
+					            apiKeyElement.type = "text";
+					        } else {
+					            apiKeyElement.type = "password";
+					        }
+					    }
+
+					    document.addEventListener("DOMContentLoaded", async function() {
+					        try {
+					            let response = await fetch('/get-api-key', { method: 'POST' });
+					            if (response.status === 200) {
+					                let apiKey = await response.text();
+					                manageUIState(apiKey);
+					            } else {
+					                manageUIState(null);
+					            }
+					        } catch (error) {
+					            console.error('There was an error:', error);
+					        }
+					    });
+
+					    async function refreshApiKey() {
+					        try {
+					            let response = await fetch('/update-api-key', { method: 'POST' });
+					            if (response.status === 200) {
+					                let apiKey = await response.text();
+					                manageUIState(apiKey);
+					                document.getElementById("apiKey").type = 'text';
+					            } else {
+					                alert('Error refreshing API key.');
+					            }
+					        } catch (error) {
+					            console.error('There was an error:', error);
+					        }
+					    }
+					    
+					    function manageUIState(apiKey) {
+					        const apiKeyElement = document.getElementById("apiKey");
+					        const showBtn = document.getElementById("showBtn");
+
+					        if (apiKey && apiKey.trim().length > 0) {
+					            apiKeyElement.value = apiKey;
+					            showBtn.disabled = false;
+					        } else {
+					            apiKeyElement.value = "";
+					            showBtn.disabled = true;
+					        }
+					    }
+
+					    
+					    
+					    </script>
+    
+    
                         <hr> <!-- Separator Line -->
                         
                         <h4>Sync browser settings with Account</h4>