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neeeeecka · Jul 28, 2020 · 3cd13d1 · 3cd13d1
commit 3cd13d1
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Showing 5 changed files with 151 additions and 0 deletions.
diff --git a/background.js b/background.js
diff --git a/content.js b/content.js
@@ -0,0 +1,106 @@
+const body = document.body;
+
+const bannedWord = "*Banned by StopSlogan*";
+
+const slogans = {};
+let slogansKeys = [];
+const bannedSlogans = [];
+
+// const url = "https://en.wikipedia.org/wiki/List_of_political_slogans";
+const url =
+  "https://en.wikipedia.org/w/api.php?" +
+  new URLSearchParams({
+    origin: "*",
+
+    action: "parse",
+    page: "List_of_political_slogans",
+    format: "json"
+  });
+//en.wikipedia.org/w/api.php?action=parse&format=json&origin=*&page=Most%20common%20words%20in%20Spanish'
+
+function parseNode(startNode) {
+  if (startNode.tagName == "LI") {
+    const key = startNode.innerText.toLowerCase();
+    slogans[key] = true;
+    slogansKeys.push(key);
+  }
+  startNode.childNodes.forEach(node => {
+    parseNode(node);
+  });
+}
+
+const callback = function(mutationsList, observer) {
+  // Use traditional 'for loops' for IE 11
+  for (let mutation of mutationsList) {
+    if (mutation.type === "childList") {
+      const node = mutation.target;
+      checkNodeRecursively(node);
+    }
+  }
+};
+
+fetch(url)
+  .then(response => response.json())
+  .then(parsed => parsed.parse.text)
+  .then(text => {
+    const domParser = new DOMParser();
+    let doc = domParser.parseFromString(text["*"], "text/html");
+    parseNode(doc);
+    checkNodeRecursively(body);
+    const observer = new MutationObserver(callback);
+    observer.observe(body, {
+      childList: true,
+      subtree: true
+    });
+  });
+
+function checkNode(startNode) {
+  if (startNode.nodeType == Node.TEXT_NODE) {
+    const value = startNode.nodeValue.toLowerCase();
+    if (deepCheck(value)) {
+      startNode.nodeValue = "*Banned by StopSlogan*";
+      bannedSlogans.push(value);
+    }
+  } else {
+    if (startNode.nodeType == Node.ELEMENT_NODE) {
+      if (startNode.tagName == "INPUT" || startNode.tagName == "TEXTAREA") {
+        if (deepCheck(startNode.value)) {
+          startNode.value = bannedWord;
+        }
+      } else {
+        if (startNode.childNodes.length == 0) {
+          if (deepCheck(startNode.innerText)) {
+            startNode.innerText = bannedWord;
+          }
+        }
+      }
+    }
+  }
+}
+
+function deepCheck(text) {
+  if (text == bannedWord || !text) {
+    return false;
+  }
+  text = text.toLowerCase();
+
+  if (slogans[text]) {
+    return true;
+  }
+  for (var i = 0; i < slogansKeys.length; i++) {
+    const key = slogansKeys[i];
+    if (text.includes(key)) {
+      return true;
+    }
+  }
+  return false;
+  //TODO: Levenshtein Distance Algorithm
+}
+
+function checkNodeRecursively(startNode) {
+  checkNode(startNode);
+
+  startNode.childNodes.forEach(node => {
+    checkNodeRecursively(node);
+  });
+}
diff --git a/logo.png b/logo.png
diff --git a/manifest.json b/manifest.json
@@ -0,0 +1,19 @@
+{
+  "manifest_version": 2,
+  "name": "StopSlogan",
+  "version": "0.1",
+  "content_scripts": [
+    {
+      "matches": ["<all_urls>"],
+      "js": ["content.js"]
+    }
+  ],
+  "background": {
+    "scripts": ["scripts/background.js"],
+    "persistent": false
+  },
+  "browser_action": {
+    "default_popup": "popup.html"
+  },
+  "permissions": ["activeTab"]
+}
diff --git a/popup.html b/popup.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Stop Slogan</title>
+  </head>
+  <style>
+    body {
+      background: rgb(24, 24, 24);
+      font-size: 1em;
+    }
+    .container {
+      width: 200px;
+    }
+    .h {
+      color: whitesmoke;
+      font-size: 0.8em;
+    }
+  </style>
+  <body>
+    <div class="container">
+      <span class="h">Currently banned slogans: </span>
+
+      <div></div>
+    </div>
+  </body>
+</html>