fix: [CI-5235]: added validation for ssh url

Author: devkimittal

960-api-services/src/main/java/io/harness/git/GitClientHelper.java

@@ -537,6 +537,13 @@ public static void validateURL(@NotNull String url) {
       throw new InvalidRequestException(
           format("Invalid repo url  %s,should start with either http:// , https:// , ssh:// or git@", url));
     }
+    if (url.startsWith("git@") && !url.contains(":")) {
+      throw new InvalidRequestException(
+          format("Invalid repo url  %s, valid ssh url formats are git@provider.com:username/repo, "
+                  + "ssh://provider.com/username/repo, "
+                  + "ssh://git@provider.com/username/repo",
+              url));
+    }
   }
 
   public static String getCompleteUrlForProjectLevelAzureConnector(String url, String repoName) {

960-api-services/src/test/java/io/harness/git/GitClientHelperTest.java

@@ -550,6 +550,10 @@ public void testValidateURL() {
     assertThatCode(() -> GitClientHelper.validateURL("ssh://github.com/smjt-h")).doesNotThrowAnyException();
     assertThatCode(() -> GitClientHelper.validateURL("git@github.com:smjt-h/goHelloWorldServer.git"))
         .doesNotThrowAnyException();
+    assertThatThrownBy(() -> GitClientHelper.validateURL("git@github.com/smjt-h/goHelloWorldServer.git"))
+        .isExactlyInstanceOf(InvalidRequestException.class);
+    assertThatCode(() -> GitClientHelper.validateURL("ssh://git@github.com/smjt-h/goHelloWorldServer.git"))
+        .doesNotThrowAnyException();
     assertThatCode(() -> GitClientHelper.validateURL("https://github.com/smjt-h/goHelloWorldServer.git"))
         .doesNotThrowAnyException();
   }