CSRF tokens

1 files changed, 80 insertions, 0 deletions

diff --git a/public/site.js b/public/site.js
new file mode 100644
index 0000000..21d51a7
--- /dev/null
+++ b/public/site.js
@@ -0,0 +1,80 @@
+$(function() {
+    var csrf = $("#csrf-token").val();
+    var editor = CodeMirror.fromTextArea($("#editor")[0], {
+        lineNumbers: true,
+        mode: "text/x-java",
+        theme: "eclipse",
+        tabSize: 4,
+        indentWithTabs: false,
+        smartIndent: true,
+        indentUnit: 4
+    });
+    editor.setSize(898, 500);
+
+    $("form").on("submit", function(e) {
+        e.preventDefault();
+
+        $("#loader").show();
+        $("#output").empty().hide();
+
+        $.ajax({
+            type: "POST",
+            url: location.href,
+            data: {
+                code: editor.getValue(),
+                csrf: csrf
+            },
+            dataType: "json",
+            success: function(data) {
+                $("#loader").hide();
+
+                if (!data.ok) {
+                    alert("Error: " + data.message);
+                    if (data.csrf)
+                        csrf = data.csrf;
+                    return;
+                }
+
+                csrf = data.csrf;
+
+                if (data.compile.status == 0) {
+                    if (data.run.status != null) {
+                        // program was executed
+                        $("#output").append(
+                            $("<h4></h4>").text(data.run.status == 0 ? "Executed successfully" : "Execution failed").css("color", data.run.status == 0 ? "green" : "red"),
+                        );
+
+                        if (data.run.stdout) {
+                            $("#output").append(
+                                $("<p></p>").text("Program output:"),
+                                $("<pre></pre>").append(
+                                    $("<code></code>").text(data.run.stdout)
+                                )
+                            );
+                        }
+
+                        if (data.run.stderr) {
+                            $("#output").append(
+                                $("<p></p>").text("Error output:"),
+                                $("<pre></pre>").append(
+                                    $("<code></code>").text(data.run.stderr)
+                                )
+                            );
+                        }
+                    }
+                } else {
+                    // compilation failed, stderr will contain compiler errors
+                    $("#output").append(
+                        $("<h4></h4>").text("Compilation failed").css("color", "red"),
+                        $("<p></p>").text("Compiler errors:"),
+                        $("<pre></pre>").append(
+                            $("<code></code>").text(data.compile.stderr)
+                        )
+                    );
+                }
+
+                $("#output").slideDown(400);
+            }
+        })
+    });
+});