Initial Commit

LICENSE

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+MIT License
+
+Copyright (c) 2022 TheBrokenRail
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# Force High-Resolution DisneyNOW
+This browser extension forces DisneyNOW to use their higher-resolution video stream by imitating the Android app.

manifest.json

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+{
+    "description": "This browser extension forces DisneyNOW to use their higher-resolution video stream by imitating the Android app.",
+    "manifest_version": 2,
+    "name": "Force High-Resolution DisneyNOW",
+    "version": "1.0",
+    "content_scripts": [
+        {
+            "matches": ["*://disneynow.com/*"],
+            "js": ["content.js"],
+            "run_at": "document_end"
+        }
+    ],
+    "web_accessible_resources": [
+        "page.js"
+    ],
+    "browser_specific_settings": {
+        "gecko": {
+            "id": "high-res-disneynow@thebrokenrail.com"
+        }
+    }
+}

src/content.js

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+const script = document.createElement('SCRIPT');
+script.src = chrome.runtime.getURL('page.js');
+script.onload = function() {
+    this.remove();
+};
+(document.head || document.documentElement).appendChild(script);

src/manifest.json

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+{
+    "description": "This extension forces DisneyNOW to use their higher-resolution HLS video stream instead of their low-resolution DASH video stream.",
+    "manifest_version": 2,
+    "name": "Force High-Resolution DisneyNOW",
+    "version": "1.0",
+    "content_scripts": [
+        {
+            "matches": ["*://disneynow.com/*"],
+            "js": ["content.js"],
+            "run_at": "document_end"
+        }
+    ],
+    "web_accessible_resources": [
+        "page.js"
+    ],
+    "browser_specific_settings": {
+        "gecko": {
+            "id": "high-res-disneynow@thebrokenrail.com"
+        }
+    }
+}

src/page.js

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+'use strict';
+
+// Constants
+const DEVICE_ID = '031_04'; // Found in the APK as @string/device_id
+const BRAND_ID = '011'; // Selected from the function mapBrandCode(), which is found in embed.min.js (a script loaded by the website)
+
+// Patch XMLHttpRequest.open
+const oldOpen = XMLHttpRequest.prototype.open;
+Object.defineProperty(XMLHttpRequest.prototype, 'open', {
+    value: function (method, url, ...args) {
+        // Flag
+        this._isTargetUrl = (new URL(url)).pathname.endsWith('/playmanifest_secure.json');
+
+        // Call Original Method
+        oldOpen.call(this, method, url, ...args);
+    },
+    enumerable: false,
+    configurable: false,
+    writable: false
+});
+
+// Patch XMLHttpRequest.send
+const oldSend = XMLHttpRequest.prototype.send;
+Object.defineProperty(XMLHttpRequest.prototype, 'send', {
+    value: function (body, ...args) {
+        // Check
+        if (body && this._isTargetUrl) {
+            // Parse Request Body
+            const params = new URLSearchParams(body);
+
+            // Pretend to be an Android device
+            if (params.has('device')) {
+                params.set('device', DEVICE_ID);
+            }
+            
+            // Switch brand to one without ads
+            if (params.has('brand')) {
+                params.set('brand', BRAND_ID);
+            }
+
+            // Apply Patch
+            body = params.toString();
+
+            // Verify
+            this.addEventListener("load", function () {
+                const obj = JSON.parse(this.responseText);
+                const assetUrl = new URL(obj.video.assets.asset[0].value);
+                console.log('Video Stream URL: ' + assetUrl);
+            });
+        }
+
+        // Call Original Method
+        oldSend.call(this, body, ...args);
+    },
+    enumerable: false,
+    configurable: false,
+    writable: false
+});