store ENV variables to serverSettings collection.

create new api endpoint: /api/serverSettings

Author: th37rose

server/api-service/lowcoder-domain/src/main/java/org/lowcoder/domain/serversetting/model/ServerSetting.java

@@ -0,0 +1,24 @@
+package org.lowcoder.domain.serversetting.model;
+
+import jakarta.persistence.Id;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.experimental.SuperBuilder;
+import lombok.extern.jackson.Jacksonized;
+import org.lowcoder.sdk.models.HasIdAndAuditing;
+import org.springframework.data.mongodb.core.mapping.Document;
+import org.springframework.http.MediaType;
+
+@Document(collection = "serverSettings")
+@Jacksonized
+@Getter
+@Setter
+@SuperBuilder
+@NoArgsConstructor
+public class ServerSetting {
+
+    @Id
+    private String key;
+    private String value;
+}

server/api-service/lowcoder-domain/src/main/java/org/lowcoder/domain/serversetting/service/ServerSettingRepository.java

@@ -0,0 +1,7 @@
+package org.lowcoder.domain.serversetting.service;
+
+import org.lowcoder.domain.serversetting.model.ServerSetting;
+import org.springframework.data.mongodb.repository.ReactiveMongoRepository;
+
+public interface ServerSettingRepository extends ReactiveMongoRepository<ServerSetting, String> {
+}

server/api-service/lowcoder-domain/src/main/java/org/lowcoder/domain/serversetting/service/ServerSettingService.java

@@ -0,0 +1,9 @@
+package org.lowcoder.domain.serversetting.service;
+
+import org.lowcoder.domain.serversetting.model.ServerSetting;
+import reactor.core.publisher.Flux;
+
+public interface ServerSettingService {
+
+    Flux<ServerSetting> findAll();
+}

server/api-service/lowcoder-domain/src/main/java/org/lowcoder/domain/serversetting/service/ServerSettingServiceImpl.java

@@ -0,0 +1,63 @@
+package org.lowcoder.domain.serversetting.service;
+
+import lombok.extern.slf4j.Slf4j;
+import org.lowcoder.domain.serversetting.model.ServerSetting;
+import org.lowcoder.sdk.exception.BizError;
+import org.lowcoder.sdk.exception.BizException;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+import javax.annotation.PostConstruct;
+import java.util.List;
+import java.util.Map;
+
+
+@Slf4j
+@Service
+public class ServerSettingServiceImpl implements ServerSettingService {
+    private final ServerSettingRepository repository;
+    private final List<String> EXCLUDED_KEYS = List.of("LOWCODER_MONGODB_EXPOSED",
+    "LOWCODER_PUID",
+    "LOWCODER_PGID",
+    "LOWCODER_MONGODB_URL",
+    "LOWCODER_REDIS_URL",
+    "LOWCODER_DB_ENCRYPTION_PASSWORD",
+    "LOWCODER_DB_ENCRYPTION_SALT",
+    "LOWCODER_API_KEY_SECRET",
+    "LOWCODER_ADMIN_SMTP_HOST",
+    "LOWCODER_ADMIN_SMTP_PORT",
+    "LOWCODER_ADMIN_SMTP_USERNAME",
+    "LOWCODER_ADMIN_SMTP_PASSWORD",
+    "LOWCODER_SUPERADMIN_PASSWORD",
+    "LOWCODER_SUPERADMIN_USERNAME");
+
+    @Autowired
+    public ServerSettingServiceImpl(ServerSettingRepository repository) {
+        this.repository = repository;
+    }
+
+    @Override
+    public Flux<ServerSetting> findAll() {
+        return repository.findAll();
+    }
+
+    @PostConstruct
+    public void saveEnvironmentVariables() {
+        Map<String, String> envVariables = System.getenv();
+        Flux.fromIterable(envVariables.keySet())
+                .map(key -> {
+                    String value = envVariables.getOrDefault(key, "");
+                    if(EXCLUDED_KEYS.contains(key)) {
+                        value = "stored on the server";
+                    }
+                    return ServerSetting.builder()
+                            .key(key)
+                            .value(value)
+                            .build();
+                })
+                .flatMap(repository::save)
+                .subscribe();
+    }
+}

server/api-service/lowcoder-infra/src/main/java/org/lowcoder/infra/constant/NewUrl.java

@@ -10,6 +10,7 @@ private NewUrl() {
     public static final String DATASOURCE_URL = PREFIX + "/datasources";
     public static final String USER_URL = PREFIX + "/users";
     public static final String CONFIG_URL = PREFIX + "/configs";
+    public static final String SERVER_SETTING_URL = PREFIX + "/serverSettings";
     public static final String GROUP_URL = PREFIX + "/groups";
     public static final String ASSET_URL = PREFIX + "/assets";
 

server/api-service/lowcoder-infra/src/main/java/org/lowcoder/infra/constant/Url.java

@@ -7,6 +7,7 @@ public final class Url {
     public static final String DATASOURCE_URL = BASE_URL + VERSION + "/datasources";
     public static final String USER_URL = BASE_URL + VERSION + "/users";
     public static final String CONFIG_URL = BASE_URL + VERSION + "/configs";
+    public static final String SERVER_SETTING_URL = BASE_URL + VERSION + "/serverSettings";
     public static final String GROUP_URL = BASE_URL + VERSION + "/groups";
     public static final String ASSET_URL = BASE_URL + VERSION + "/assets";
 

server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/config/ServerSettingController.java

@@ -0,0 +1,21 @@
+package org.lowcoder.api.config;
+
+import lombok.RequiredArgsConstructor;
+import org.lowcoder.api.framework.view.ResponseView;
+import org.lowcoder.domain.serversetting.model.ServerSetting;
+import org.lowcoder.domain.serversetting.service.ServerSettingRepository;
+import org.lowcoder.domain.serversetting.service.ServerSettingService;
+import org.springframework.web.bind.annotation.RestController;
+import reactor.core.publisher.Flux;
+
+@RequiredArgsConstructor
+@RestController
+public class ServerSettingController implements ServerSettingEndpoints
+{
+    private final ServerSettingService serverSettingService;
+    @Override
+    public Flux<ServerSetting> getServerSettings() {
+        return serverSettingService.findAll();
+    }
+
+}

server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/config/ServerSettingEndpoints.java

@@ -0,0 +1,27 @@
+package org.lowcoder.api.config;
+
+import io.swagger.v3.oas.annotations.Operation;
+import org.lowcoder.api.framework.view.ResponseView;
+import org.lowcoder.domain.serversetting.model.ServerSetting;
+import org.lowcoder.infra.constant.NewUrl;
+import org.lowcoder.infra.constant.Url;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import reactor.core.publisher.Flux;
+
+@RestController
+@RequestMapping(value = {Url.SERVER_SETTING_URL, NewUrl.SERVER_SETTING_URL})
+public interface ServerSettingEndpoints
+{
+	String TAG_SERVER_SETTING_MANAGEMENT = "Server Setting APIs";
+	
+	@Operation(
+			tags = TAG_SERVER_SETTING_MANAGEMENT,
+		    operationId = "serverSettings",
+		    summary = "Get Lowcoder server settings",
+		    description = "Retrieve the list of server settings for Lowcoder."
+	)
+    @GetMapping
+    Flux<ServerSetting> getServerSettings();
+}