add URLRedirect #4
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Summary by CodeRabbit
Summary by CodeRabbit
流程概览此次更改在 变更
时序图基本重定向流程（redirect 方法）sequenceDiagram
participant 客户端
participant URLRedirect
客户端->>URLRedirect: GET /redirect?url=目标URL
URLRedirect->>客户端: 返回 "redirect:目标URL"
带安全校验的重定向流程（sendRedirect_seccode 方法）sequenceDiagram
participant 客户端
participant URLRedirect
participant SecurityUtil
participant HttpServletResponse
客户端->>URLRedirect: 请求 sendRedirect_seccode(url)
URLRedirect->>SecurityUtil: 校验 URL
alt URL 合法
URLRedirect->>HttpServletResponse: 发送 302 重定向
else URL 非法
URLRedirect->>HttpServletResponse: 发送 403 错误
end
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Actionable comments posted: 4
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📒 Files selected for processing (1)
src/main/java/org/joychou/controller/URLRedirect2.java(1 hunks)
🔇 Additional comments (2)
src/main/java/org/joychou/controller/URLRedirect2.java (2)
1-26: 注意：文件名与类名不匹配文件名是
URLRedirect2.java，但类名是URLRedirect。这种不一致可能会导致混淆和维护问题。建议保持文件名和类名的一致性。
81-92: 安全实现方式良好这个方法正确地实现了URL验证，是一个很好的安全实践。不过，可以考虑添加日志记录以便于追踪问题。
建议小幅改进：
@RequestMapping("/sendRedirect/sec") @ResponseBody public void sendRedirect_seccode(HttpServletRequest request, HttpServletResponse response) throws IOException { String url = request.getParameter("url"); if (SecurityUtil.checkURL(url) == null) { + // 记录被阻止的URL重定向尝试 + // logger.warn("Blocked redirect attempt to: " + url); response.setStatus(HttpServletResponse.SC_FORBIDDEN); response.getWriter().write("url forbidden"); return; } response.sendRedirect(url); }
| @RequestMapping("/sendRedirect") | ||
| @ResponseBody | ||
| public static void sendRedirect(HttpServletRequest request, HttpServletResponse response) throws IOException { | ||
| String url = request.getParameter("url"); | ||
| response.sendRedirect(url); // 302 redirect | ||
| } |
There was a problem hiding this comment.
静态方法和开放式重定向漏洞
- 控制器中不应使用静态方法，这可能会导致Spring依赖注入失效
- 该方法未对URL参数进行验证，存在开放式重定向漏洞
建议进行以下修改：
@RequestMapping("/sendRedirect")
@ResponseBody
- public static void sendRedirect(HttpServletRequest request, HttpServletResponse response) throws IOException {
+ public void sendRedirect(HttpServletRequest request, HttpServletResponse response) throws IOException {
String url = request.getParameter("url");
+ if (SecurityUtil.checkURL(url) == null) {
+ response.setStatus(HttpServletResponse.SC_FORBIDDEN);
+ response.getWriter().write("url forbidden");
+ return;
+ }
response.sendRedirect(url); // 302 redirect
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| @RequestMapping("/sendRedirect") | |
| @ResponseBody | |
| public static void sendRedirect(HttpServletRequest request, HttpServletResponse response) throws IOException { | |
| String url = request.getParameter("url"); | |
| response.sendRedirect(url); // 302 redirect | |
| } | |
| @RequestMapping("/sendRedirect") | |
| @ResponseBody | |
| public void sendRedirect(HttpServletRequest request, HttpServletResponse response) throws IOException { | |
| String url = request.getParameter("url"); | |
| if (SecurityUtil.checkURL(url) == null) { | |
| response.setStatus(HttpServletResponse.SC_FORBIDDEN); | |
| response.getWriter().write("url forbidden"); | |
| return; | |
| } | |
| response.sendRedirect(url); // 302 redirect | |
| } |
| /** | ||
| * http://localhost:8080/urlRedirect/redirect?url=http://www.baidu.com | ||
| */ | ||
| @GetMapping("/redirect") | ||
| public String redirect(@RequestParam("url") String url) { | ||
| return "redirect:" + url; | ||
| } |
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存在开放式重定向漏洞
该方法未对URL参数进行验证，直接拼接到重定向字符串中，容易被攻击者利用进行钓鱼攻击。
建议实现URL验证逻辑，类似于sendRedirect_seccode方法中的安全检查：
@GetMapping("/redirect")
public String redirect(@RequestParam("url") String url) {
+ if (SecurityUtil.checkURL(url) == null) {
+ return "redirect:/error";
+ }
return "redirect:" + url;
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| /** | |
| * http://localhost:8080/urlRedirect/redirect?url=http://www.baidu.com | |
| */ | |
| @GetMapping("/redirect") | |
| public String redirect(@RequestParam("url") String url) { | |
| return "redirect:" + url; | |
| } | |
| /** | |
| * http://localhost:8080/urlRedirect/redirect?url=http://www.baidu.com | |
| */ | |
| @GetMapping("/redirect") | |
| public String redirect(@RequestParam("url") String url) { | |
| if (SecurityUtil.checkURL(url) == null) { | |
| return "redirect:/error"; | |
| } | |
| return "redirect:" + url; | |
| } |
| @RequestMapping("/setHeader") | ||
| @ResponseBody | ||
| public static void setHeader(HttpServletRequest request, HttpServletResponse response) { | ||
| String url = request.getParameter("url"); | ||
| response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY); // 301 redirect | ||
| response.setHeader("Location", url); | ||
| } |
There was a problem hiding this comment.
静态方法和开放式重定向漏洞
- 控制器中不应使用静态方法，这可能会导致Spring依赖注入失效
- 该方法未对URL参数进行验证，存在开放式重定向漏洞
建议进行以下修改：
@RequestMapping("/setHeader")
@ResponseBody
- public static void setHeader(HttpServletRequest request, HttpServletResponse response) {
+ public void setHeader(HttpServletRequest request, HttpServletResponse response) {
String url = request.getParameter("url");
+ if (SecurityUtil.checkURL(url) == null) {
+ response.setStatus(HttpServletResponse.SC_FORBIDDEN);
+ try {
+ response.getWriter().write("url forbidden");
+ } catch (IOException e) {
+ // 处理异常
+ }
+ return;
+ }
response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY); // 301 redirect
response.setHeader("Location", url);
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| @RequestMapping("/setHeader") | |
| @ResponseBody | |
| public static void setHeader(HttpServletRequest request, HttpServletResponse response) { | |
| String url = request.getParameter("url"); | |
| response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY); // 301 redirect | |
| response.setHeader("Location", url); | |
| } | |
| @RequestMapping("/setHeader") | |
| @ResponseBody | |
| public void setHeader(HttpServletRequest request, HttpServletResponse response) { | |
| String url = request.getParameter("url"); | |
| if (SecurityUtil.checkURL(url) == null) { | |
| response.setStatus(HttpServletResponse.SC_FORBIDDEN); | |
| try { | |
| response.getWriter().write("url forbidden"); | |
| } catch (IOException e) { | |
| // 处理异常 | |
| } | |
| return; | |
| } | |
| response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY); // 301 redirect | |
| response.setHeader("Location", url); | |
| } |
| @RequestMapping("/forward") | ||
| @ResponseBody | ||
| public static void forward(HttpServletRequest request, HttpServletResponse response) { | ||
| String url = request.getParameter("url"); | ||
| RequestDispatcher rd = request.getRequestDispatcher(url); | ||
| try { | ||
| rd.forward(request, response); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
静态方法和异常处理问题
- 控制器中不应使用静态方法，这可能会导致Spring依赖注入失效
- 该方法的异常处理不当，仅打印堆栈跟踪而不返回适当的错误响应
- 虽然注释中提到这是安全的代码，但如果没有对
url参数进行适当的验证，可能会受到路径遍历攻击
建议进行以下修改：
@RequestMapping("/forward")
@ResponseBody
- public static void forward(HttpServletRequest request, HttpServletResponse response) {
+ public void forward(HttpServletRequest request, HttpServletResponse response) {
String url = request.getParameter("url");
+ // 验证URL是否为内部路径，防止路径遍历攻击
+ if (url == null || url.contains("..") || !url.startsWith("/")) {
+ try {
+ response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
+ response.getWriter().write("Invalid URL path");
+ return;
+ } catch (IOException e) {
+ // 记录日志
+ }
+ return;
+ }
RequestDispatcher rd = request.getRequestDispatcher(url);
try {
rd.forward(request, response);
} catch (Exception e) {
- e.printStackTrace();
+ // 记录日志
+ try {
+ response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+ response.getWriter().write("Error forwarding request");
+ } catch (IOException ex) {
+ // 记录日志
+ }
}
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| @RequestMapping("/forward") | |
| @ResponseBody | |
| public static void forward(HttpServletRequest request, HttpServletResponse response) { | |
| String url = request.getParameter("url"); | |
| RequestDispatcher rd = request.getRequestDispatcher(url); | |
| try { | |
| rd.forward(request, response); | |
| } catch (Exception e) { | |
| e.printStackTrace(); | |
| } | |
| } | |
| @RequestMapping("/forward") | |
| @ResponseBody | |
| public void forward(HttpServletRequest request, HttpServletResponse response) { | |
| String url = request.getParameter("url"); | |
| // 验证URL是否为内部路径，防止路径遍历攻击 | |
| if (url == null || url.contains("..") || !url.startsWith("/")) { | |
| try { | |
| response.setStatus(HttpServletResponse.SC_BAD_REQUEST); | |
| response.getWriter().write("Invalid URL path"); | |
| return; | |
| } catch (IOException e) { | |
| // 记录日志 | |
| } | |
| return; | |
| } | |
| RequestDispatcher rd = request.getRequestDispatcher(url); | |
| try { | |
| rd.forward(request, response); | |
| } catch (Exception e) { | |
| // 记录日志 | |
| try { | |
| response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); | |
| response.getWriter().write("Error forwarding request"); | |
| } catch (IOException ex) { | |
| // 记录日志 | |
| } | |
| } | |
| } |
|
![github-advanced-security[bot]](https://avatars.githubusercontent.com/in/57789?s=60&v=4){kind=small}
| */ | ||
| @GetMapping("/redirect") | ||
| public String redirect(@RequestParam("url") String url) { | ||
| return "redirect:" + url; |
Check failure
Code scanning / SonarCloud
HTTP request redirections should not be open to forging attacks High
| public static void setHeader(HttpServletRequest request, HttpServletResponse response) { | ||
| String url = request.getParameter("url"); | ||
| response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY); // 301 redirect | ||
| response.setHeader("Location", url); |
Check failure
Code scanning / SonarCloud
HTTP request redirections should not be open to forging attacks High
| @ResponseBody | ||
| public static void sendRedirect(HttpServletRequest request, HttpServletResponse response) throws IOException { | ||
| String url = request.getParameter("url"); | ||
| response.sendRedirect(url); // 302 redirect |
Check failure
Code scanning / SonarCloud
HTTP request redirections should not be open to forging attacks High
| response.getWriter().write("url forbidden"); | ||
| return; | ||
| } | ||
| response.sendRedirect(url); |
Check failure
Code scanning / SonarCloud
HTTP request redirections should not be open to forging attacks High
|
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