Merge branch 'master' into fix/fix-alert-94

Signed-off-by: aias00 <liuhongyu@apache.org>
Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
Co-authored-by: Calvin <naruse_shinji@163.com>
Co-authored-by: tomsun28 <tomsun28@outlook.com>

hertzbeat-alerter/src/main/java/org/apache/hertzbeat/alert/notice/impl/ServerChanAlertNotifyHandlerImpl.java

@@ -31,6 +31,8 @@ import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Component;
 
+import java.util.List;
+
 /**
  * Send alarm information through Server
  */
@@ -54,7 +56,16 @@ public class ServerChanAlertNotifyHandlerImpl extends AbstractAlertNotifyHandler
             HttpHeaders headers = new HttpHeaders();
             headers.setContentType(MediaType.APPLICATION_JSON);
             HttpEntity<ServerChanAlertNotifyHandlerImpl.ServerChanWebHookDto> httpEntity = new HttpEntity<>(serverChanWebHookDto, headers);
-            String webHookUrl = String.format(alerterProperties.getServerChanWebhookUrl(), receiver.getServerChanToken());
+            String sanitizedToken = receiver.getServerChanToken().replaceAll("[^a-zA-Z0-9_-]", "");
+            String webHookUrl = String.format(alerterProperties.getServerChanWebhookUrl(), sanitizedToken);
+            
+            // Validate the constructed URL against a whitelist
+            List<String> allowedBaseUrls = List.of("https://api.serverchan.com", "https://serverchan.example.com");
+            boolean isValidUrl = allowedBaseUrls.stream().anyMatch(webHookUrl::startsWith);
+            if (!isValidUrl) {
+                throw new AlertNoticeException("Invalid webhook URL: " + webHookUrl);
+            }
+            
             ResponseEntity<CommonRobotNotifyResp> responseEntity = restTemplate.postForEntity(webHookUrl,
                     httpEntity, CommonRobotNotifyResp.class);
             if (responseEntity.getStatusCode() == HttpStatus.OK) {

hertzbeat-alerter/src/main/java/org/apache/hertzbeat/alert/notice/impl/SlackAlertNotifyHandlerImpl.java

@@ -17,6 +17,7 @@
 
 package org.apache.hertzbeat.alert.notice.impl;
 
+import java.net.URI;
 import java.util.Objects;
 import lombok.Builder;
 import lombok.Data;
@@ -52,7 +53,12 @@ final class SlackAlertNotifyHandlerImpl extends AbstractAlertNotifyHandlerImpl {
             HttpHeaders headers = new HttpHeaders();
             headers.setContentType(MediaType.APPLICATION_JSON);
             HttpEntity<SlackNotifyDTO> slackNotifyEntity = new HttpEntity<>(slackNotify, headers);
-            var entity = restTemplate.postForEntity(receiver.getSlackWebHookUrl(), slackNotifyEntity, String.class);
+            String slackWebHookUrl = receiver.getSlackWebHookUrl();
+            if (!isValidSlackWebHookUrl(slackWebHookUrl)) {
+                log.warn("Invalid Slack Webhook URL: {}", slackWebHookUrl);
+                throw new AlertNoticeException("Invalid Slack Webhook URL");
+            }
+            var entity = restTemplate.postForEntity(slackWebHookUrl, slackNotifyEntity, String.class);
             if (entity.getStatusCode() == HttpStatus.OK && entity.getBody() != null) {
                 var body = entity.getBody();
                 if (Objects.equals(SUCCESS, body)) {
@@ -81,4 +87,21 @@ final class SlackAlertNotifyHandlerImpl extends AbstractAlertNotifyHandlerImpl {
         private String text;
     }
 
+
+    /**
+     * Validate if the Slack Webhook URL belongs to an allowed domain.
+     *
+     * @param url the Slack Webhook URL to validate
+     * @return true if the URL is valid, false otherwise
+     */
+    private boolean isValidSlackWebHookUrl(String url) {
+        try {
+            URI uri = new URI(url);
+            String host = uri.getHost();
+            return "hooks.slack.com".equals(host);
+        } catch (Exception e) {
+            log.warn("Error validating Slack Webhook URL: {}", url, e);
+            return false;
+        }
+    }
 }

hertzbeat-alerter/src/main/java/org/apache/hertzbeat/alert/notice/impl/TelegramBotAlertNotifyHandlerImpl.java

@@ -42,9 +42,14 @@ import org.springframework.stereotype.Component;
 final class TelegramBotAlertNotifyHandlerImpl extends AbstractAlertNotifyHandlerImpl {
 
     @Override
-    public void send(NoticeReceiver receiver, NoticeTemplate noticeTemplate, GroupAlert alert) throws AlertNoticeException {
+    public void send(NoticeReceiver receiver, NoticeTemplate noticeTemplate, GroupAlert alert)
+            throws AlertNoticeException {
         try {
-            String url = String.format(alerterProperties.getTelegramWebhookUrl(), receiver.getTgBotToken());
+            String token = receiver.getTgBotToken();
+            if (!isValidTelegramToken(token)) {
+                throw new AlertNoticeException("Invalid Telegram Bot Token");
+            }
+            String url = String.format(alerterProperties.getTelegramWebhookUrl(), token);
             TelegramBotNotifyDTO notifyBody = TelegramBotNotifyDTO.builder()
                     .chatId(receiver.getTgUserId())
                     .text(renderContent(noticeTemplate, alert))
@@ -54,7 +59,8 @@ final class TelegramBotAlertNotifyHandlerImpl extends AbstractAlertNotifyHandler
             HttpHeaders headers = new HttpHeaders();
             headers.setContentType(MediaType.APPLICATION_JSON);
             HttpEntity<TelegramBotNotifyDTO> telegramEntity = new HttpEntity<>(notifyBody, headers);
-            ResponseEntity<TelegramBotNotifyResponse> entity = restTemplate.postForEntity(url, telegramEntity, TelegramBotNotifyResponse.class);
+            ResponseEntity<TelegramBotNotifyResponse> entity = restTemplate.postForEntity(url, telegramEntity,
+                    TelegramBotNotifyResponse.class);
             if (entity.getStatusCode() == HttpStatus.OK && entity.getBody() != null) {
                 TelegramBotNotifyResponse body = entity.getBody();
                 if (body.ok) {
@@ -99,4 +105,10 @@ final class TelegramBotAlertNotifyHandlerImpl extends AbstractAlertNotifyHandler
         private String description;
     }
 
+    private boolean isValidTelegramToken(String token) {
+        // Adjusted pattern to match real Telegram Bot tokens like
+        // 110201543:AAHdqTcvCH1vGWJxfSeofSAs0K5PALDsaw
+        String tokenPattern = "^[0-9]+:[a-zA-Z0-9_-]+$";
+        return token != null && token.matches(tokenPattern);
+    }
 }

hertzbeat-alerter/src/main/java/org/apache/hertzbeat/alert/notice/impl/WeComRobotAlertNotifyHandlerImpl.java

@@ -57,7 +57,12 @@ final class WeComRobotAlertNotifyHandlerImpl extends AbstractAlertNotifyHandlerI
             HttpHeaders headers = new HttpHeaders();
             headers.setContentType(MediaType.APPLICATION_JSON);
             HttpEntity<WeWorkWebHookDto> httpEntity = new HttpEntity<>(weWorkWebHookDTO, headers);
-            String webHookUrl = alerterProperties.getWeWorkWebhookUrl() + receiver.getWechatId();
+            String wechatId = receiver.getWechatId();
+            if (!isValidWechatId(wechatId)) {
+                log.warn("Invalid WeChat ID: {}", wechatId);
+                throw new AlertNoticeException("Invalid WeChat ID provided.");
+            }
+            String webHookUrl = alerterProperties.getWeWorkWebhookUrl() + wechatId;
             ResponseEntity<CommonRobotNotifyResp> entity = restTemplate.postForEntity(webHookUrl, httpEntity, CommonRobotNotifyResp.class);
             if (entity.getStatusCode() == HttpStatus.OK) {
                 assert entity.getBody() != null;
@@ -170,4 +175,15 @@ final class WeComRobotAlertNotifyHandlerImpl extends AbstractAlertNotifyHandlerI
         }
 
     }
+    
+    /**
+     * Validate the WeChat ID to ensure it meets the expected format.
+     *
+     * @param wechatId the WeChat ID to validate
+     * @return true if valid, false otherwise
+     */
+    private boolean isValidWechatId(String wechatId) {
+        // Example validation: ensure the ID is alphanumeric and non-empty
+        return StringUtils.isNotBlank(wechatId) && wechatId.matches("^[a-zA-Z0-9_-]+$");
+    }
 }

hertzbeat-alerter/src/test/java/org/apache/hertzbeat/alert/notice/impl/ServerChanAlertNotifyHandlerImplTest.java

@@ -20,6 +20,7 @@ package org.apache.hertzbeat.alert.notice.impl;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.lenient;
 import static org.mockito.Mockito.when;
 
 import org.apache.hertzbeat.alert.AlerterProperties;
@@ -48,7 +49,7 @@ import java.util.ResourceBundle;
  */
 @ExtendWith(MockitoExtension.class)
 class ServerChanAlertNotifyHandlerImplTest {
-
+    
     @Mock
     private RestTemplate restTemplate;
     
@@ -57,20 +58,21 @@ class ServerChanAlertNotifyHandlerImplTest {
     
     @Mock
     private ResourceBundle bundle;
-
+    
     @InjectMocks
     private ServerChanAlertNotifyHandlerImpl serverChanAlertNotifyHandler;
-
+    
     private NoticeReceiver receiver;
     private GroupAlert groupAlert;
     private NoticeTemplate template;
-
+    
     @BeforeEach
     public void setUp() {
         receiver = new NoticeReceiver();
         receiver.setId(1L);
         receiver.setName("test-receiver");
         receiver.setAccessToken("test-token");
+        receiver.setServerChanToken("SCT193569TSNm6xIabdjqeZPtOGOWcvU1e");
         
         groupAlert = new GroupAlert();
         SingleAlert singleAlert = new SingleAlert();
@@ -87,43 +89,31 @@ class ServerChanAlertNotifyHandlerImplTest {
         template.setName("test-template");
         template.setContent("test content");
         
-        when(alerterProperties.getServerChanWebhookUrl()).thenReturn("http://test.url/");
-        when(bundle.getString("alerter.notify.title")).thenReturn("Alert Notification");
+        lenient().when(alerterProperties.getServerChanWebhookUrl())
+                .thenReturn("https://api.serverchan.com/send/%s");
+        lenient().when(bundle.getString("alerter.notify.title")).thenReturn("Alert Notification");
     }
     
-
     @Test
     public void testNotifyAlertSuccess() {
         CommonRobotNotifyResp successResp = new CommonRobotNotifyResp();
         successResp.setErrCode(0);
         successResp.setMsg("success");
-        ResponseEntity<CommonRobotNotifyResp> responseEntity =
-                new ResponseEntity<>(successResp, HttpStatus.OK);
-
+        ResponseEntity<CommonRobotNotifyResp> responseEntity = new ResponseEntity<>(successResp, HttpStatus.OK);
+        
         when(restTemplate.postForEntity(
                 any(String.class),
                 any(),
-                eq(CommonRobotNotifyResp.class)
-        )).thenReturn(responseEntity);
+                eq(CommonRobotNotifyResp.class))).thenReturn(responseEntity);
         
         serverChanAlertNotifyHandler.send(receiver, template, groupAlert);
     }
-
+    
     @Test
-    public void testNotifyAlertFailure() {
-        CommonRobotNotifyResp failResp = new CommonRobotNotifyResp();
-        failResp.setCode(1);
-        failResp.setErrMsg("Test Error");
-        ResponseEntity<CommonRobotNotifyResp> responseEntity =
-                new ResponseEntity<>(failResp, HttpStatus.BAD_REQUEST);
-
-        when(restTemplate.postForEntity(
-                any(String.class),
-                any(),
-                eq(CommonRobotNotifyResp.class)
-        )).thenReturn(responseEntity);
+    public void testNotifyAlertWithInvalidUrl() {
+        when(alerterProperties.getServerChanWebhookUrl()).thenReturn("http://invalid-url.com/%s");
         
-        assertThrows(AlertNoticeException.class, 
+        assertThrows(AlertNoticeException.class,
                 () -> serverChanAlertNotifyHandler.send(receiver, template, groupAlert));
     }
 }

hertzbeat-alerter/src/test/java/org/apache/hertzbeat/alert/notice/impl/SlackAlertNotifyHandlerImplTest.java

@@ -51,7 +51,7 @@ class SlackAlertNotifyHandlerImplTest {
 
     @Mock
     private RestTemplate restTemplate;
-    
+
     @Mock
     private ResourceBundle bundle;
 
@@ -68,18 +68,18 @@ class SlackAlertNotifyHandlerImplTest {
         receiver.setId(1L);
         receiver.setName("test-receiver");
         receiver.setAccessToken("test-token");
-        receiver.setSlackWebHookUrl("http://localhost:8080");
-        
+        receiver.setSlackWebHookUrl("https://hooks.slack.com/services/ABCDEF/GHIJKL/mnopqrstuvwxyz");
+
         groupAlert = new GroupAlert();
         SingleAlert singleAlert = new SingleAlert();
         singleAlert.setLabels(new HashMap<>());
         singleAlert.getLabels().put("severity", "critical");
         singleAlert.getLabels().put("alertname", "Test Alert");
-        
+
         List<SingleAlert> alerts = new ArrayList<>();
         alerts.add(singleAlert);
         groupAlert.setAlerts(alerts);
-        
+
         template = new NoticeTemplate();
         template.setId(1L);
         template.setName("test-template");
@@ -90,22 +90,18 @@ class SlackAlertNotifyHandlerImplTest {
 
     @Test
     public void testNotifyAlertSuccess() {
-        ResponseEntity<String> responseEntity = 
-            new ResponseEntity<>("ok", HttpStatus.OK);
-        
+        ResponseEntity<String> responseEntity = new ResponseEntity<>("ok", HttpStatus.OK);
+
         when(restTemplate.postForEntity(any(String.class), any(), eq(String.class))).thenReturn(responseEntity);
-        
+
         slackAlertNotifyHandler.send(receiver, template, groupAlert);
     }
 
     @Test
-    public void testNotifyAlertFailure() {
-        ResponseEntity<String> responseEntity =
-                new ResponseEntity<>("invalid_payload", HttpStatus.BAD_REQUEST);
+    public void testNotifyAlertWithInvalidUrl() {
+        receiver.setSlackWebHookUrl("http://localhost:8080");
 
-        when(restTemplate.postForEntity(any(String.class), any(), eq(String.class))).thenReturn(responseEntity);
-        
-        assertThrows(AlertNoticeException.class, 
+        assertThrows(AlertNoticeException.class,
                 () -> slackAlertNotifyHandler.send(receiver, template, groupAlert));
     }
 }

hertzbeat-alerter/src/test/java/org/apache/hertzbeat/alert/notice/impl/TelegramBotAlertNotifyHandlerImplTest.java

@@ -20,6 +20,7 @@ package org.apache.hertzbeat.alert.notice.impl;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.lenient;
 import static org.mockito.Mockito.when;
 
 import org.apache.hertzbeat.alert.AlerterProperties;
@@ -51,10 +52,10 @@ class TelegramBotAlertNotifyHandlerImplTest {
 
     @Mock
     private RestTemplate restTemplate;
-    
+
     @Mock
     private AlerterProperties alerterProperties;
-    
+
     @Mock
     private ResourceBundle bundle;
 
@@ -70,58 +71,57 @@ class TelegramBotAlertNotifyHandlerImplTest {
         receiver = new NoticeReceiver();
         receiver.setId(1L);
         receiver.setName("test-receiver");
-        receiver.setAccessToken("test-token");
+        receiver.setTgBotToken("123456:ABC-DEF1234ghIkl-zyx57W2v1u123ew11");
         receiver.setTgUserId("123456789"); // Telegram specific - chat ID
-        
+
         groupAlert = new GroupAlert();
         SingleAlert singleAlert = new SingleAlert();
         singleAlert.setLabels(new HashMap<>());
         singleAlert.getLabels().put("severity", "critical");
         singleAlert.getLabels().put("alertname", "Test Alert");
-        
+
         List<SingleAlert> alerts = new ArrayList<>();
         alerts.add(singleAlert);
         groupAlert.setAlerts(alerts);
-        
+
         template = new NoticeTemplate();
         template.setId(1L);
         template.setName("test-template");
         template.setContent("test content");
-        
-        when(alerterProperties.getTelegramWebhookUrl()).thenReturn("https://api.telegram.org/bot%s/sendMessage");
-        when(bundle.getString("alerter.notify.title")).thenReturn("Alert Notification");
+
+        lenient().when(alerterProperties.getTelegramWebhookUrl())
+                .thenReturn("https://api.telegram.org/bot%s/sendMessage");
+        lenient().when(bundle.getString("alerter.notify.title")).thenReturn("Alert Notification");
     }
 
     @Test
     public void testNotifyAlertSuccess() {
-        TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse successResp = 
-            new TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse();
+        TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse successResp = new TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse();
         successResp.setOk(true);
         successResp.setDescription("Test Success");
-        
-        ResponseEntity<TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse> responseEntity = 
-            new ResponseEntity<>(successResp, HttpStatus.OK);
-        
-        when(restTemplate.postForEntity(any(String.class), any(), 
+
+        ResponseEntity<TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse> responseEntity = new ResponseEntity<>(
+                successResp, HttpStatus.OK);
+
+        when(restTemplate.postForEntity(any(String.class), any(),
                 eq(TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse.class))).thenReturn(responseEntity);
-        
+
         telegramBotAlertNotifyHandler.send(receiver, template, groupAlert);
     }
 
     @Test
     public void testNotifyAlertFailure() {
-        TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse successResp =
-                new TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse();
-        successResp.setOk(false);
-        successResp.setDescription("Test failed");
+        TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse failureResp = new TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse();
+        failureResp.setOk(false);
+        failureResp.setDescription("Test failed");
 
-        ResponseEntity<TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse> responseEntity =
-                new ResponseEntity<>(successResp, HttpStatus.BAD_REQUEST);
+        ResponseEntity<TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse> responseEntity = new ResponseEntity<>(
+                failureResp, HttpStatus.OK);
 
         when(restTemplate.postForEntity(any(String.class), any(),
                 eq(TelegramBotAlertNotifyHandlerImpl.TelegramBotNotifyResponse.class))).thenReturn(responseEntity);
-        
-        assertThrows(AlertNoticeException.class, 
+
+        assertThrows(AlertNoticeException.class,
                 () -> telegramBotAlertNotifyHandler.send(receiver, template, groupAlert));
     }
 }

hertzbeat-alerter/src/test/java/org/apache/hertzbeat/alert/notice/impl/WeComRobotAlertNotifyHandlerImplTest.java

@@ -48,7 +48,7 @@ import java.util.ResourceBundle;
  */
 @ExtendWith(MockitoExtension.class)
 class WeComRobotAlertNotifyHandlerImplTest {
-
+    
     @Mock
     private RestTemplate restTemplate;
     
@@ -57,20 +57,21 @@ class WeComRobotAlertNotifyHandlerImplTest {
     
     @Mock
     private ResourceBundle bundle;
-
+    
     @InjectMocks
     private WeComRobotAlertNotifyHandlerImpl weComRobotAlertNotifyHandler;
-
+    
     private NoticeReceiver receiver;
     private GroupAlert groupAlert;
     private NoticeTemplate template;
-
+    
     @BeforeEach
     public void setUp() {
         receiver = new NoticeReceiver();
         receiver.setId(1L);
         receiver.setName("test-receiver");
         receiver.setAccessToken("test-token");
+        receiver.setWechatId("test-wechat-id");
         
         groupAlert = new GroupAlert();
         SingleAlert singleAlert = new SingleAlert();
@@ -95,33 +96,29 @@ class WeComRobotAlertNotifyHandlerImplTest {
     public void testNotifyAlertSuccess() {
         CommonRobotNotifyResp successResp = new CommonRobotNotifyResp();
         successResp.setErrCode(0);
-        ResponseEntity<CommonRobotNotifyResp> responseEntity =
-                new ResponseEntity<>(successResp, HttpStatus.OK);
-
+        ResponseEntity<CommonRobotNotifyResp> responseEntity = new ResponseEntity<>(successResp, HttpStatus.OK);
+        
         when(restTemplate.postForEntity(
                 any(String.class),
                 any(),
-                eq(CommonRobotNotifyResp.class)
-        )).thenReturn(responseEntity);
+                eq(CommonRobotNotifyResp.class))).thenReturn(responseEntity);
         
         weComRobotAlertNotifyHandler.send(receiver, template, groupAlert);
     }
-
+    
     @Test
     public void testNotifyAlertFailure() {
         CommonRobotNotifyResp failResp = new CommonRobotNotifyResp();
         failResp.setCode(1);
         failResp.setErrMsg("Test Error");
-        ResponseEntity<CommonRobotNotifyResp> responseEntity =
-                new ResponseEntity<>(failResp, HttpStatus.OK);
-
+        ResponseEntity<CommonRobotNotifyResp> responseEntity = new ResponseEntity<>(failResp, HttpStatus.OK);
+        
         when(restTemplate.postForEntity(
                 any(String.class),
                 any(),
-                eq(CommonRobotNotifyResp.class)
-        )).thenReturn(responseEntity);
+                eq(CommonRobotNotifyResp.class))).thenReturn(responseEntity);
         
-        assertThrows(AlertNoticeException.class, 
+        assertThrows(AlertNoticeException.class,
                 () -> weComRobotAlertNotifyHandler.send(receiver, template, groupAlert));
     }
 }

hertzbeat-warehouse/src/main/java/org/apache/hertzbeat/warehouse/db/PromqlQueryExecutor.java

@@ -150,6 +150,7 @@ public abstract class PromqlQueryExecutor implements QueryExecutor {
             HttpEntity<Void> httpEntity = new HttpEntity<>(headers);
             URI uri;
             if (datasourceQuery.getTimeType().equals(RANGE)) {
+                validateDatasourceQuery(datasourceQuery);
                 uri = UriComponentsBuilder.fromHttpUrl(httpPromqlProperties.url() + QUERY_RANGE_PATH)
                         .queryParam(HTTP_QUERY_PARAM, datasourceQuery.getExpr())
                         .queryParam(HTTP_START_PARAM, datasourceQuery.getStart())
@@ -157,12 +158,14 @@ public abstract class PromqlQueryExecutor implements QueryExecutor {
                         .queryParam(HTTP_STEP_PARAM, datasourceQuery.getStep())
                         .build().toUri();
             } else if (datasourceQuery.getTimeType().equals(INSTANT)) {
+                validateDatasourceQuery(datasourceQuery);
                 uri = UriComponentsBuilder.fromHttpUrl(httpPromqlProperties.url() + QUERY_PATH)
                         .queryParam(HTTP_QUERY_PARAM, datasourceQuery.getExpr())
                         .build().toUri();
             } else {
                 throw new IllegalArgumentException(String.format("no such time type for query id {}.", datasourceQuery.getRefId()));
             }
+            validateUri(uri);
             ResponseEntity<PromQlQueryContent> responseEntity = restTemplate.exchange(uri, HttpMethod.GET, httpEntity,
                     PromQlQueryContent.class);
             if (responseEntity.getStatusCode().is2xxSuccessful()) {
@@ -214,4 +217,21 @@ public abstract class PromqlQueryExecutor implements QueryExecutor {
         return StringUtils.hasText(queryLanguage) && queryLanguage.equalsIgnoreCase(supportQueryLanguage);
     }
 
+    private void validateDatasourceQuery(DatasourceQuery datasourceQuery) {
+        if (!StringUtils.hasText(datasourceQuery.getExpr()) || datasourceQuery.getExpr().length() > 1000) {
+            throw new IllegalArgumentException("Invalid query expression");
+        }
+        if (datasourceQuery.getTimeType().equals(RANGE)) {
+            if (datasourceQuery.getStart() == null || datasourceQuery.getEnd() == null || datasourceQuery.getStep() == null) {
+                throw new IllegalArgumentException("Missing required parameters for range query");
+            }
+        }
+    }
+
+    private void validateUri(URI uri) {
+        String host = uri.getHost();
+        if (host == null || !host.equals(httpPromqlProperties.url().replace("http://", "").replace("https://", ""))) {
+            throw new IllegalArgumentException("Invalid URI host");
+        }
+    }
 }