Auto-fill HTTP Proxies

Author: luckyrat

background/NetworkAuth.ts

@@ -58,7 +58,21 @@ class NetworkAuth {
                     return;
                 }
 
-                const url = new URL(requestDetails.url);
+                let originalUrl;
+
+                if (requestDetails.isProxy) {
+                    if (requestDetails.proxyInfo) {
+                        // Firefox
+                        originalUrl = requestDetails.proxyInfo.host;
+                    } else {
+                        // Chrome
+                        originalUrl = requestDetails.challenger.host;
+                    }
+                } else {
+                    originalUrl = requestDetails.url;
+                }
+
+                const url = new URL(originalUrl);
                 url.hostname = punycode.toUnicode(url.hostname);
 
                 kee.findLogins(url.href, null, requestDetails.realm, null, null, null, null, result => {

manifest.json

@@ -67,7 +67,8 @@
         "webRequest",
         "<all_urls>",
         "notifications",
-        "unlimitedStorage"
+        "unlimitedStorage",
+        "proxy"
     ],
     "web_accessible_resources" : [
 		"panels/*"

typedefs/browser.d.ts

@@ -3367,16 +3367,36 @@ declare namespace browser.webRequest {
         port: number;
     }
 
+    interface ProxyInfo {
+        host: string;
+        port: number;
+        type: string;
+        /* One of:
+
+            "http": HTTP proxy (or SSL CONNECT for HTTPS)
+            "https": HTTP proxying over TLS connection to proxy
+            "socks": SOCKS v5 proxy
+            "socks4": SOCKS v4 proxy
+            "direct": no proxy
+            "unknown": unknown proxy
+        */
+        username: string;
+        proxyDNS: boolean;
+        failoverTimeout: number;
+    }
+
     interface WebAuthenticationChallengeDetails extends WebResponseHeadersDetails {
         /** The authentication scheme, e.g. Basic or Digest. */
         scheme: string;
         /** The authentication realm provided by the server, if there is one. */
         realm?: string;
-        /** The server requesting authentication. */
+        /** The server requesting authentication. In Chrome, host is the proxy host if isProxy is true */
         challenger: WebAuthChallenger;
         /** True for Proxy-Authenticate, false for WWW-Authenticate. */
         isProxy: boolean;
-}
+        /** Firefox only. This property is present only if the request is being proxied. */
+        proxyInfo?: ProxyInfo;
+    }
 
     /** An object describing filters to apply to webRequest events. */
     interface RequestFilter {