Apply Basic auth from URL userinfo

https://github.com/2dust/v2rayNG/issues/5583

V2rayNG/app/src/main/java/com/v2ray/ang/util/HttpUtil.kt

@@ -172,6 +172,9 @@ object HttpUtil {
                 .get()
                 .header("User-agent", finalUserAgent)
                 .header("Connection", "close")
+
+            applyEmbeddedBasicAuthHeader(currentUrl, requestBuilder)
+
             if (httpPort != 0 && !proxyUsername.isNullOrBlank() && !proxyPassword.isNullOrBlank()) {
                 requestBuilder.header("Proxy-Authorization", Credentials.basic(proxyUsername, proxyPassword))
             }
@@ -203,6 +206,20 @@ object HttpUtil {
         throw IOException("Too many redirects")
     }
 
+    private fun applyEmbeddedBasicAuthHeader(rawUrl: String, requestBuilder: Request.Builder) {
+        val parsed = runCatching { URL(rawUrl) }.getOrNull() ?: return
+        parsed.userInfo?.let { userInfo ->
+            val colon = userInfo.indexOf(':')
+            val user = runCatching {
+                Utils.decodeURIComponent(if (colon >= 0) userInfo.substring(0, colon) else userInfo)
+            }.getOrDefault(if (colon >= 0) userInfo.substring(0, colon) else userInfo)
+            val pass = runCatching {
+                Utils.decodeURIComponent(if (colon >= 0) userInfo.substring(colon + 1) else "")
+            }.getOrDefault(if (colon >= 0) userInfo.substring(colon + 1) else "")
+            requestBuilder.header("Authorization", Credentials.basic(user, pass))
+        }
+    }
+
     private fun buildOkHttpClient(
         timeout: Int,
         httpPort: Int,
@@ -290,4 +307,3 @@ object HttpUtil {
         }
     }
 }
-