unshorten url

Author: HoangTran0410

_metadata/generated_indexed_rulesets/_ruleset1

@@ -13,18 +13,47 @@
     "default_popup": "./popup/popup.html",
     "default_icon": "./assets/icon32.png"
   },
-  "permissions": ["tabs", "scripting", "storage", "cookies"],
-  "host_permissions": ["<all_urls>"],
+  "permissions": [
+    "tabs",
+    "scripting",
+    "storage",
+    "cookies",
+    "declarativeNetRequest",
+    "declarativeNetRequestFeedback",
+    "declarativeNetRequestWithHostAccess"
+  ],
+  "host_permissions": [
+    "<all_urls>"
+  ],
   "options_page": "./pages/options/options.html",
   "content_scripts": [
     {
-      "matches": ["<all_urls>"],
-      "js": ["content-scripts/document_start.js"],
+      "matches": [
+        "<all_urls>"
+      ],
+      "js": [
+        "content-scripts/document_start.js"
+      ],
       "run_at": "document_start"
     }
   ],
-  "web_accessible_resources": [{
-    "resources": ["content-scripts/*.js"],
-    "matches": ["<all_urls>"]
-  }]
-}
+  "web_accessible_resources": [
+    {
+      "resources": [
+        "content-scripts/*.js"
+      ],
+      "matches": [
+        "<all_urls>"
+      ]
+    }
+  ],
+  "declarative_net_request": {
+    "rule_resources": [
+      {
+        "id": "ruleset_1",
+        "enabled": true,
+        "path": "net-request-rules/rules.json"
+      }
+    ]
+  }
+}

background-scripts/background.js

@@ -0,0 +1 @@
+https://developer.chrome.com/docs/extensions/reference/declarativeNetRequest/

manifest.json

@@ -0,0 +1,28 @@
+[
+    {
+        "id": 1,
+        "priority": 1,
+        "action": {
+            "type": "modifyHeaders",
+            "requestHeaders": [
+                {
+                    "header": "Referer",
+                    "operation": "set",
+                    "value": "https://unshorten.it/"
+                },
+                {
+                    "header": "origin",
+                    "operation": "set",
+                    "value": "https://unshorten.it/"
+                }
+            ]
+        },
+        "condition": {
+            "domain": "extension://*",
+            "urlFilter": "https://unshorten.it/main/get_long_url",
+            "resourceTypes": [
+                "xmlhttprequest"
+            ]
+        }
+    }
+]

net-request-rules/README.md

@@ -160,6 +160,7 @@ const tabs = [
   {
     ...CATEGORY.unlock,
     scripts: [
+      s.unshorten,
       s.showHiddenFields,
       s.viewCookies,
       s.removeCookies,

net-request-rules/rules.json

@@ -106,6 +106,7 @@ import fb_getTokenLocmai from "./fb_getTokenLocmai.js";
 import fb_checkToken from "./fb_checkToken.js";
 import fb_getTokenCampaigns from "./fb_getTokenCampaigns.js";
 import test_script from "./test_script.js";
+import unshorten from "./unshorten.js";
 
 // inject badges
 const allScripts = {
@@ -220,6 +221,7 @@ const allScripts = {
   fb_getTokenLocmai: addBadge(fb_getTokenLocmai, BADGES.beta),
   fb_checkToken: addBadge(fb_checkToken, BADGES.new),
   fb_getTokenCampaigns: addBadge(fb_getTokenCampaigns, BADGES.new),
+  unshorten: addBadge(unshorten, BADGES.hot),
   test_script: test_script,
 };
 

popup/tabs.js

@@ -0,0 +1,85 @@
+export default {
+  icon: "https://lh3.googleusercontent.com/xwarvPJ490JDNBNlB4_nVOE3KEs-A6xI07luVNP--iQ7kipstjiSHf-S1rofE-ji9E0clqa_vkivURh42UOA3uXsmHw=w128-h128-e365-rj-sc0x00ffffff",
+  name: {
+    en: "Unshorten link",
+    vi: "Giải mã link rút gọn",
+  },
+  description: {
+    en: "Get origin URL of shortened url",
+    vi: "Lấy link gốc của link rút gọn",
+  },
+  runInExtensionContext: true,
+
+  func: async function () {
+    // Để script này hoạt động được, cần thêm rule modify header referer
+    // Chi tiết xem trong file rules.json
+
+    // https://unshorten.it/
+
+    async function getToken() {
+      let res = await fetch("https://unshorten.it/");
+      let text = await res.text();
+      let token = /name='csrfmiddlewaretoken' value='(.*)'/.exec(text)?.[1];
+      return token;
+    }
+
+    async function getLongUrl(shortURL, token) {
+      let formData = new FormData();
+      formData.append("short-url", shortURL);
+      formData.append("csrfmiddlewaretoken", token);
+
+      let res = await fetch("https://unshorten.it/main/get_long_url", {
+        method: "POST",
+        body: formData,
+      });
+      let json = await res.json();
+      if (json?.success) {
+        return json.long_url;
+      } else {
+        alert(json.message);
+        return null;
+      }
+    }
+
+    let shortenURL = prompt("Nhập URL đã rút gọn: ");
+    if (shortenURL) {
+      // faster way: open unshorten.it page
+      //   return window.open(
+      //     "http://unshorten.it/extensionloading.php?shortURL=" +
+      //       shortenURL +
+      //       "&source=chromeextension"
+      //   );
+
+      try {
+        let token = await getToken();
+        console.log(token);
+        let long_url = await getLongUrl(shortenURL, token);
+
+        if (long_url) prompt("Link gốc của " + shortenURL, long_url);
+        else alert("Không tìm thấy link gốc");
+      } catch (e) {
+        alert("Lỗi: " + e);
+      }
+    }
+  },
+};
+
+// modify header referer in manifest v3
+// https://stackoverflow.com/a/72739149/11898496
+
+// manifest v2 only, background script only
+// https://stackoverflow.com/a/31003808/11898496
+// https://stackoverflow.com/a/56141157/11898496
+// chrome.webRequest.onBeforeSendHeaders.addListener(
+//   function (details) {
+//     let headers = details.requestHeaders;
+//     headers.push({
+//       name: "Referer",
+//       value: "https://unshorten.it/",
+//     });
+//     console.log(headers);
+//     return { requestHeaders: headers };
+//   },
+//   { urls: ["https://unshorten.it/main/get_long_url"] },
+//   ["blocking", "requestHeaders", "extraHeaders"]
+// );