Basic check for insecure curl/wget requests

gradle-jdks-setup/src/test/java/com/palantir/gradle/jdks/setup/GradleJdksVulnerabilityChecks.java

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+/*
+ * (c) Copyright 2024 Palantir Technologies Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.palantir.gradle.jdks.setup;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.regex.Pattern;
+import org.junit.jupiter.api.Test;
+
+public class GradleJdksVulnerabilityChecks {
+    private static final Pattern CURL_INSECURE_PATTERN = Pattern.compile("curl\\s.*(-k|--insecure)");
+    private static final Pattern WGET_INSECURE_PATTERN = Pattern.compile("wget\\s.*--no-check-certificate");
+
+    @Test
+    public void calls_do_not_use_insecure_connections() throws IOException {
+        String content = Files.readString(Path.of("src/main/resources/gradle-jdks-functions.sh"));
+        if (CURL_INSECURE_PATTERN.matcher(content).find()) {
+            throw new RuntimeException("Insecure curl command found!");
+        }
+        if (WGET_INSECURE_PATTERN.matcher(content).find()) {
+            throw new RuntimeException("Insecure wget command found!");
+        }
+    }
+}