feat: sync keyMatch5 from Go to Java (#449)

Author: sukidayou

examples/keymatch5_model.conf

@@ -0,0 +1,11 @@
+[request_definition]
+r = sub, obj, act
+
+[policy_definition]
+p = sub, obj, act
+
+[policy_effect]
+e = some(where (p.eft == allow))
+
+[matchers]
+m = r.sub == p.sub && keyMatch5(r.obj, p.obj) && regexMatch(r.act, p.act)

examples/keymatch5_policy.csv

@@ -0,0 +1,2 @@
+p, alice, /alice_data/{resource}/.*, GET
+p, alice, /alice_data2/{id}/using/{resId}/.*, GET

src/main/java/org/casbin/jcasbin/util/BuiltInFunctions.java

@@ -37,6 +37,7 @@ public class BuiltInFunctions {
 
     private static final Pattern KEY_MATCH2_PATTERN = Pattern.compile(":[^/]+");
     private static final Pattern KEY_MATCH3_PATTERN = Pattern.compile("\\{[^/]+\\}");
+    private static final Pattern KEY_MATCH5_PATTERN = Pattern.compile("\\{[^/]+\\}");
 
     /**
      * validate the variadic string parameter size
@@ -206,10 +207,14 @@ public static boolean keyMatch4(String key1, String key2) {
      */
     public static boolean keyMatch5(String key1, String key2) {
         int i = key1.indexOf('?');
-        if (i == -1) {
-            return key1.equals(key2);
+        if (i != -1) {
+            key1 = key1.substring(0,i);
         }
-        return key1.substring(0, i).equals(key2);
+
+        key2 = key2.replace("/*", "/.*");
+        key2 = KEY_MATCH5_PATTERN.matcher(key2).replaceAll("[^/]+");
+
+        return regexMatch(key1, "^" + key2 + "$");
     }
 
     /**

src/test/java/org/casbin/jcasbin/main/BuiltInFunctionsUnitTest.java

@@ -127,11 +127,43 @@ public void testKeyMatch4Func() {
 
     @Test
     public void testKeyMatch5Func() {
+        testKeyMatch5("/alice_data/hello/123", "/alice_data/{resource}/.*", true);
+
         testKeyMatch5("/parent/child?status=1&type=2", "/parent/child", true);
         testKeyMatch5("/parent?status=1&type=2", "/parent/child", false);
+
         testKeyMatch5("/parent/child/?status=1&type=2", "/parent/child/", true);
         testKeyMatch5("/parent/child/?status=1&type=2", "/parent/child", false);
         testKeyMatch5("/parent/child?status=1&type=2", "/parent/child/", false);
+
+        testKeyMatch5("/foo", "/foo", true);
+        testKeyMatch5("/foo", "/foo*", true);
+        testKeyMatch5("/foo", "/foo/*", false);
+        testKeyMatch5("/foo/bar", "/foo", false);
+        testKeyMatch5("/foo/bar", "/foo*", false);
+        testKeyMatch5("/foo/bar", "/foo/*", true);
+        testKeyMatch5("/foobar", "/foo", false);
+        testKeyMatch5("/foobar", "/foo*", false);
+        testKeyMatch5("/foobar", "/foo/*", false);
+
+        testKeyMatch5("/", "/{resource}", false);
+        testKeyMatch5("/resource1", "/{resource}", true);
+        testKeyMatch5("/myid", "/{id}/using/{resId}", false);
+        testKeyMatch5("/myid/using/myresid", "/{id}/using/{resId}", true);
+
+        testKeyMatch5("/proxy/myid", "/proxy/{id}/*", false);
+        testKeyMatch5("/proxy/myid/", "/proxy/{id}/*", true);
+        testKeyMatch5("/proxy/myid/res", "/proxy/{id}/*", true);
+        testKeyMatch5("/proxy/myid/res/res2", "/proxy/{id}/*", true);
+        testKeyMatch5("/proxy/myid/res/res2/res3", "/proxy/{id}/*", true);
+        testKeyMatch5("/proxy/", "/proxy/{id}/*", false);
+
+        testKeyMatch5("/proxy/myid?status=1&type=2", "/proxy/{id}/*", false);
+        testKeyMatch5("/proxy/myid/", "/proxy/{id}/*", true);
+        testKeyMatch5("/proxy/myid/res?status=1&type=2", "/proxy/{id}/*", true);
+        testKeyMatch5("/proxy/myid/res/res2?status=1&type=2", "/proxy/{id}/*", true);
+        testKeyMatch5("/proxy/myid/res/res2/res3?status=1&type=2", "/proxy/{id}/*", true);
+        testKeyMatch5("/proxy/", "/proxy/{id}/*", false);
     }
 
     @Test