Move all files from /scripts/pi-hole/ to /scripts/

Signed-off-by: yubiuser <github@yubiuser.dev>

scripts/js/gravity.js

@@ -0,0 +1,106 @@
+/* Pi-hole: A black hole for Internet advertisements
+ *  (c) 2017 Pi-hole, LLC (https://pi-hole.net)
+ *  Network-wide ad blocking via your own hardware.
+ *
+ *  This file is copyright under the latest version of the EUPL.
+ *  Please see LICENSE file for your rights under this license. */
+
+function eventsource() {
+  var alInfo = $("#alInfo");
+  var alSuccess = $("#alSuccess");
+  var ta = $("#output");
+
+  // https://caniuse.com/fetch - everything except IE
+  // This is fine, as we dropped support for IE a while ago
+  if (typeof fetch !== "function") {
+    ta.show();
+    ta.html("Updating lists of ad-serving domains is not supported with this browser!");
+    return;
+  }
+
+  ta.html("");
+  ta.show();
+  alInfo.show();
+  alSuccess.hide();
+
+  // eslint-disable-next-line compat/compat
+  fetch("/api/action/gravity", {
+    method: "POST",
+    headers: { "X-CSRF-TOKEN": $('meta[name="csrf-token"]').attr("content") },
+  })
+    // Retrieve its body as ReadableStream
+    .then(response => {
+      const reader = response.body.getReader();
+      return new ReadableStream({
+        start(controller) {
+          return pump();
+          function pump() {
+            return reader.read().then(({ done, value }) => {
+              // When no more data needs to be consumed, close the stream
+              if (done) {
+                controller.close();
+                alInfo.hide();
+                $("#gravityBtn").prop("disabled", false);
+                return;
+              }
+
+              // Enqueue the next data chunk into our target stream
+              controller.enqueue(value);
+              var string = new TextDecoder().decode(value);
+              parseLines(ta, string);
+
+              if (string.indexOf("Done.") !== -1) {
+                alSuccess.show();
+              }
+
+              return pump();
+            });
+          }
+        },
+      });
+    })
+    .catch(error => console.error(error)); // eslint-disable-line no-console
+}
+
+$("#gravityBtn").on("click", function () {
+  $("#gravityBtn").prop("disabled", true);
+  eventsource();
+});
+
+// Handle hiding of alerts
+$(function () {
+  $("[data-hide]").on("click", function () {
+    $(this)
+      .closest("." + $(this).attr("data-hide"))
+      .hide();
+  });
+
+  // Do we want to start updating immediately?
+  // gravity.lp?go
+  var searchString = window.location.search.substring(1);
+  if (searchString.indexOf("go") !== -1) {
+    $("#gravityBtn").prop("disabled", true);
+    eventsource();
+  }
+});
+
+function parseLines(ta, str) {
+  // str can contain multiple lines.
+  // We want to split the text before an "OVER" escape sequence to allow overwriting previous line when needed
+
+  // Splitting the text on "\r"
+  var lines = str.split(/(?=\r)/g);
+
+  for (let i = 0; i < lines.length; i++) {
+    if (lines[i][0] === "\r") {
+      // This line starts with the "OVER" sequence. Replace them with "\n" before print
+      lines[i] = lines[i].replaceAll("\r", "\n").replaceAll("\r", "\n");
+
+      // Last line from the textarea will be overwritten, so we remove it
+      ta.text(ta.text().substring(0, ta.text().lastIndexOf("\n")));
+    }
+
+    // Append the new text to the end of the output
+    ta.append(lines[i]);
+  }
+}