v0.9.1 fixes

apps/app/src/api/ads-init.js

@@ -21,3 +21,86 @@ document.addEventListener(
 window.open = (url, target, features) => {
   window.top.postMessage({ modrinthOpenUrl: url }, 'https://modrinth.com')
 }
+
+function muteAudioContext() {
+  if (window.AudioContext || window.webkitAudioContext) {
+    const AudioContext = window.AudioContext || window.webkitAudioContext
+    const originalCreateMediaElementSource = AudioContext.prototype.createMediaElementSource
+    const originalCreateMediaStreamSource = AudioContext.prototype.createMediaStreamSource
+    const originalCreateMediaStreamTrackSource = AudioContext.prototype.createMediaStreamTrackSource
+    const originalCreateBufferSource = AudioContext.prototype.createBufferSource
+    const originalCreateOscillator = AudioContext.prototype.createOscillator
+
+    AudioContext.prototype.createGain = function () {
+      const gain = originalCreateGain.call(this)
+      gain.gain.value = 0
+      return gain
+    }
+
+    AudioContext.prototype.createMediaElementSource = function (mediaElement) {
+      const source = originalCreateMediaElementSource.call(this, mediaElement)
+      source.connect(this.createGain())
+      return source
+    }
+
+    AudioContext.prototype.createMediaStreamSource = function (mediaStream) {
+      const source = originalCreateMediaStreamSource.call(this, mediaStream)
+      source.connect(this.createGain())
+      return source
+    }
+
+    AudioContext.prototype.createMediaStreamTrackSource = function (mediaStreamTrack) {
+      const source = originalCreateMediaStreamTrackSource.call(this, mediaStreamTrack)
+      source.connect(this.createGain())
+      return source
+    }
+
+    AudioContext.prototype.createBufferSource = function () {
+      const source = originalCreateBufferSource.call(this)
+      source.connect(this.createGain())
+      return source
+    }
+
+    AudioContext.prototype.createOscillator = function () {
+      const oscillator = originalCreateOscillator.call(this)
+      oscillator.connect(this.createGain())
+      return oscillator
+    }
+  }
+}
+
+function muteVideo(mediaElement) {
+  let count = Number(mediaElement.getAttribute('data-modrinth-muted-count') ?? 0)
+
+  if (!mediaElement.muted || mediaElement.volume !== 0) {
+    mediaElement.muted = true
+    mediaElement.volume = 0
+
+    mediaElement.setAttribute('data-modrinth-muted-count', count + 1)
+  }
+
+  if (count > 5) {
+    // Video is detected as malicious, so it is removed from the page
+    mediaElement.remove()
+  }
+}
+
+function muteVideos() {
+  document.querySelectorAll('video, audio').forEach(function (mediaElement) {
+    muteVideo(mediaElement)
+
+    if (!mediaElement.hasAttribute('data-modrinth-muted')) {
+      mediaElement.addEventListener('volumechange', () => muteVideo(mediaElement))
+
+      mediaElement.setAttribute('data-modrinth-muted', 'true')
+    }
+  })
+}
+
+document.addEventListener('DOMContentLoaded', () => {
+  muteVideos()
+  muteAudioContext()
+
+  const observer = new MutationObserver(muteVideos)
+  observer.observe(document.body, { childList: true, subtree: true })
+})