feat: support Freemarker SpEL packer

2026-09-23 23:41:52 +08:00 · 2026-08-30 21:19:42 +08:00
parent 305bc0e12c
commit 70935d6ab1
14 changed files with 161 additions and 25 deletions
@@ -0,0 +1,35 @@
+package com.reajason.javaweb.vul.springboot3.controller;
+
+import freemarker.template.Configuration;
+import freemarker.template.Template;
+import freemarker.template.TemplateException;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.io.IOException;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author ReaJason
+ * @since 2026/8/30
+ */
+@RestController
+@RequestMapping("/freemarker")
+public class FreemarkerController {
+    @PostMapping
+    public String freemarker(@RequestParam String data) throws IOException, TemplateException {
+        Configuration configuration = new Configuration();
+        configuration.setDefaultEncoding("UTF-8");
+        Map<String, Object> input = new HashMap<>();
+        input.put("object", new Object());
+        Template template = new Template("templateName", new StringReader(data), configuration);
+        StringWriter output = new StringWriter();
+        template.process(input, output);
+        return output.toString();
+    }
+}