From 9c7b548a9e8dbcf39360d3eb5eef9e5dad29e40b Mon Sep 17 00:00:00 2001
From: Vendicated <vendicated@riseup.net>
Date: Sat, 15 Oct 2022 20:56:21 +0200
Subject: [PATCH] BrowserExtension: Disable CSP

---
 browser/background.js | 25 ++++++++++++++++++++++++-
 browser/manifest.json |  4 +++-
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/browser/background.js b/browser/background.js
index 872134b..b79c94e 100644
--- a/browser/background.js
+++ b/browser/background.js
@@ -1 +1,24 @@
-// could use this in the future
+if (typeof browser === "undefined") {
+    var browser = chrome;
+}
+
+browser.webRequest.onHeadersReceived.addListener(({ responseHeaders, url }) => {
+    const cspIdx = responseHeaders.findIndex(h => h.name === "content-security-policy");
+    if (cspIdx !== -1)
+        responseHeaders.splice(cspIdx, 1);
+
+    if (url.endsWith(".css")) {
+        const contentType = responseHeaders.find(h => h.name === "content-type");
+        if (contentType)
+            contentType.value = "text/css";
+        else
+            responseHeaders.push({
+                name: "content-type",
+                value: "text/json"
+            });
+    }
+
+    return {
+        responseHeaders
+    };
+}, { urls: ["*://*.discord.com/*"] }, ["blocking", "responseHeaders"]);
diff --git a/browser/manifest.json b/browser/manifest.json
index c01bc44..2988ba9 100644
--- a/browser/manifest.json
+++ b/browser/manifest.json
@@ -22,7 +22,9 @@
         }
     ],
     "permissions": [
-        "*://*.discord.com/*"
+        "*://*.discord.com/*",
+        "webRequest",
+        "webRequestBlocking"
     ],
     "web_accessible_resources": [
         "dist/Vencord.js"