Merge pull request #19556 from owen-mc/java/pr/19512

Java: Fix SpringRequestMappingMethod URL Extraction #2

Author: owen-mc

java/ql/lib/change-notes/2025-05-22-spring-request-mapping-value.md

@@ -0,0 +1,4 @@
+---
+category: deprecated
+---
+* The predicate `getValue()` on `SpringRequestMappingMethod` is now deprecated. Use `getAValue()` instead.

java/ql/lib/semmle/code/java/frameworks/spring/SpringController.qll

@@ -153,8 +153,16 @@ class SpringRequestMappingMethod extends SpringControllerMethod {
     result = this.getProducesExpr().(CompileTimeConstantExpr).getStringValue()
   }
 
-  /** Gets the "value" @RequestMapping annotation value, if present. */
-  string getValue() { result = requestMappingAnnotation.getStringValue("value") }
+  /** DEPRECATED: Use `getAValue()` instead. */
+  deprecated string getValue() { result = requestMappingAnnotation.getStringValue("value") }
+
+  /**
+   * Gets a "value" @RequestMapping annotation string value, if present.
+   *
+   * If the annotation element is defined with an array initializer, then the result will be one of the
+   * elements of that array. Otherwise, the result will be the single expression used as value.
+   */
+  string getAValue() { result = requestMappingAnnotation.getAStringArrayValue("value") }
 
   /** Gets the "method" @RequestMapping annotation value, if present. */
   string getMethodValue() {

java/ql/test/library-tests/frameworks/spring/controller/RequestController.expected

@@ -0,0 +1,18 @@
+import java
+import utils.test.InlineExpectationsTest
+private import semmle.code.java.frameworks.spring.SpringController
+
+module TestRequestController implements TestSig {
+  string getARelevantTag() { result = "RequestMappingURL" }
+
+  predicate hasActualResult(Location location, string element, string tag, string value) {
+    tag = "RequestMappingURL" and
+    exists(SpringRequestMappingMethod m |
+      m.getLocation() = location and
+      element = m.toString() and
+      value = "\"" + m.getAValue() + "\""
+    )
+  }
+}
+
+import MakeTest<TestRequestController>

java/ql/test/library-tests/frameworks/spring/controller/RequestController.ql

@@ -32,155 +32,156 @@
 
 public class Test {
 
-    static void sink(Object o) {}
+    static void sink(Object o) {
+    }
 
     @Controller
     static class NotTaintedTest {
         @RequestMapping("/")
-        public void get(WebRequest src) {
+        public void get(WebRequest src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(NativeWebRequest src) {
+        public void get(NativeWebRequest src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(ServletRequest src) {
+        public void get(ServletRequest src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(HttpSession src) {
+        public void get(HttpSession src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(PushBuilder src) {
+        public void get(PushBuilder src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(Principal src) {
+        public void get(Principal src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(HttpMethod src) {
+        public void get(HttpMethod src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(Locale src) {
+        public void get(Locale src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(TimeZone src) {
+        public void get(TimeZone src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(ZoneId src) {
+        public void get(ZoneId src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(OutputStream src) {
+        public void get(OutputStream src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(Writer src) {
+        public void get(Writer src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(RedirectAttributes src) {
+        public void get(RedirectAttributes src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(Errors src) {
+        public void get(Errors src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(SessionStatus src) {
+        public void get(SessionStatus src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(UriComponentsBuilder src) {
+        public void get(UriComponentsBuilder src) { // $ RequestMappingURL="/"
             sink(src);
         }
 
         @RequestMapping("/")
-        public void get(Pageable src) {
+        public void get(Pageable src) { // $ RequestMappingURL="/"
             sink(src);
         }
     }
 
     @Controller
     static class ExplicitlyTaintedTest {
         @RequestMapping("/")
-        public void get(InputStream src) {
+        public void get(InputStream src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
 
         @RequestMapping("/")
-        public void get(Reader src) {
+        public void get(Reader src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
 
         @RequestMapping("/")
-        public void matrixVariable(@MatrixVariable Object src) {
+        public void matrixVariable(@MatrixVariable Object src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
 
         @RequestMapping("/")
-        public void requestParam(@RequestParam Object src) {
+        public void requestParam(@RequestParam Object src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
 
         @RequestMapping("/")
-        public void requestHeader(@RequestHeader Object src) {
+        public void requestHeader(@RequestHeader Object src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
 
         @RequestMapping("/")
-        public void cookieValue(@CookieValue Object src) {
+        public void cookieValue(@CookieValue Object src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
 
         @RequestMapping("/")
-        public void requestPart(@RequestPart Object src) {
+        public void requestPart(@RequestPart Object src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
 
         @RequestMapping("/")
-        public void pathVariable(@PathVariable Object src) {
+        public void pathVariable(@PathVariable Object src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
 
         @RequestMapping("/")
-        public void requestBody(@RequestBody Object src) {
+        public void requestBody(@RequestBody Object src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
 
         @RequestMapping("/")
-        public void get(HttpEntity src) {
+        public void get(HttpEntity src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
 
         @RequestMapping("/")
-        public void requestAttribute(@RequestAttribute Object src) {
+        public void requestAttribute(@RequestAttribute Object src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
 
         @RequestMapping("/")
-        public void sessionAttribute(@SessionAttribute Object src) {
+        public void sessionAttribute(@SessionAttribute Object src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
     }
@@ -191,13 +192,20 @@ static class Pojo {
         }
 
         @RequestMapping("/")
-        public void get(String src) {
+        public void get(String src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
 
         @RequestMapping("/")
-        public void get1(Pojo src) {
+        public void get1(Pojo src) { // $ RequestMappingURL="/"
             sink(src); // $hasValueFlow
         }
     }
+
+    @Controller
+    static class MultipleValuesTest {
+        @RequestMapping({"/a", "/b"})
+        public void get(WebRequest src) { // $ RequestMappingURL="/a" RequestMappingURL="/b"
+        }
+    }
 }