优化

app/src/main/java/io/legado/app/help/http/HttpHelper.kt

@@ -1,12 +1,19 @@
 package io.legado.app.help.http
 
 import kotlinx.coroutines.suspendCancellableCoroutine
+import okhttp3.Request
+import okhttp3.Response
 import kotlin.coroutines.resume
 
 @Suppress("unused")
 object HttpHelper {
 
-    
+    suspend fun newCall(builder: Request.Builder.() -> Unit, proxy: String? = null): Response {
+        val client = OkHttpHelper.getProxyClient(proxy)
+        val requestBuilder = Request.Builder().apply(builder)
+        return client.newCall(requestBuilder.build()).await()
+    }
+
     suspend fun ajax(params: AjaxWebView.AjaxParams): StrResponse =
         suspendCancellableCoroutine { block ->
             val webView = AjaxWebView()

app/src/main/java/io/legado/app/lib/webdav/WebDav.kt

@@ -1,5 +1,6 @@
 package io.legado.app.lib.webdav
 
+import io.legado.app.help.http.HttpHelper
 import io.legado.app.help.http.await
 import io.legado.app.help.http.okHttpClient
 import okhttp3.*
@@ -236,11 +237,10 @@ class WebDav(urlStr: String) {
         val url = httpUrl
         val auth = HttpAuth.auth
         if (url != null && auth != null) {
-            val requestBuilder = Request.Builder()
-                .url(url)
-                .addHeader("Authorization", Credentials.basic(auth.user, auth.pass))
-            return okHttpClient.newCall(request = requestBuilder.build()).await()
-                .body?.byteStream()
+            return HttpHelper.newCall({
+                url(url)
+                addHeader("Authorization", Credentials.basic(auth.user, auth.pass))
+            }).body?.byteStream()
         }
         return null
     }