(improvement)(auth) 增强UserStrategy的可配置性 (#1949)

auth/api/src/main/java/com/tencent/supersonic/auth/api/authentication/config/AuthenticationConfig.java

@@ -18,6 +18,9 @@ public class AuthenticationConfig {
     @Value("${s2.authentication.include.path:/api}")
     private String includePath;
 
+    @Value("${s2.authentication.strategy:http}")
+    private String strategy;
+
     @Value("${s2.authentication.enable:false}")
     private boolean enabled;
 

auth/api/src/main/java/com/tencent/supersonic/auth/api/authentication/service/UserStrategy.java

@@ -7,6 +7,8 @@ import com.tencent.supersonic.common.pojo.User;
 
 public interface UserStrategy {
 
+    String getStrategyName();
+
     boolean accept(boolean isEnableAuthentication);
 
     User findUser(HttpServletRequest request, HttpServletResponse response);

auth/authentication/src/main/java/com/tencent/supersonic/auth/authentication/strategy/FakeUserStrategy.java

@@ -10,6 +10,13 @@ import org.springframework.stereotype.Service;
 @Service
 public class FakeUserStrategy implements UserStrategy {
 
+    public static final String STRATEGY_NAME = "fake";
+
+    @Override
+    public String getStrategyName() {
+        return STRATEGY_NAME;
+    }
+
     @Override
     public boolean accept(boolean isEnableAuthentication) {
         return !isEnableAuthentication;

auth/authentication/src/main/java/com/tencent/supersonic/auth/authentication/strategy/HttpHeaderUserStrategy.java

@@ -15,12 +15,18 @@ import java.util.Optional;
 @Service
 public class HttpHeaderUserStrategy implements UserStrategy {
 
+    public static final String STRATEGY_NAME = "http";
     private final TokenService tokenService;
 
     public HttpHeaderUserStrategy(TokenService tokenService) {
         this.tokenService = tokenService;
     }
 
+    @Override
+    public String getStrategyName() {
+        return STRATEGY_NAME;
+    }
+
     @Override
     public boolean accept(boolean isEnableAuthentication) {
         return isEnableAuthentication;

auth/authentication/src/main/java/com/tencent/supersonic/auth/authentication/strategy/UserStrategyFactory.java

@@ -9,6 +9,7 @@ import lombok.Data;
 import org.springframework.context.annotation.Configuration;
 
 import java.util.List;
+import java.util.Optional;
 
 @Configuration
 @Data
@@ -26,10 +27,26 @@ public class UserStrategyFactory {
 
     @PostConstruct
     public void setUserStrategy() {
-        for (UserStrategy userStrategy : userStrategyList) {
+
-            if (userStrategy.accept(authenticationConfig.isEnabled())) {
+        boolean enabled = authenticationConfig.isEnabled();
-                UserHolder.setStrategy(userStrategy);
+        if (!enabled) {
+            for (UserStrategy userStrategy : userStrategyList) {
+                if (userStrategy.accept(authenticationConfig.isEnabled())) {
+                    UserHolder.setStrategy(userStrategy);
+                }
             }
+            return;
+        }
+
+        String strategy = authenticationConfig.getStrategy();
+        Optional<UserStrategy> strategyOptional = userStrategyList.stream()
+                .filter(t -> t.accept(true) && strategy.equalsIgnoreCase(t.getStrategyName()))
+                .findAny();
+
+        if (strategyOptional.isPresent()) {
+            UserHolder.setStrategy(strategyOptional.get());
+        } else {
+            throw new IllegalStateException("strategy is not found: " + strategy);
         }
     }
 }