feat: mix handlers of proxy server in providers

app/client/common/utils.ts

@@ -1,4 +1,6 @@
-import { RequestMessage } from "./types";
+import { NextRequest } from "next/server";
+import { RequestMessage, ServerConfig } from "./types";
+import { cloneDeep } from "lodash-es";
 
 export function getMessageTextContent(message: RequestMessage) {
   if (typeof message.content === "string") {
@@ -24,3 +26,63 @@ export function getMessageImages(message: RequestMessage): string[] {
   }
   return urls;
 }
+
+export function getIP(req: NextRequest) {
+  let ip = req.ip ?? req.headers.get("x-real-ip");
+  const forwardedFor = req.headers.get("x-forwarded-for");
+
+  if (!ip && forwardedFor) {
+    ip = forwardedFor.split(",").at(0) ?? "";
+  }
+
+  return ip;
+}
+
+export function formatUrl(baseUrl?: string) {
+  if (baseUrl && !baseUrl.startsWith("http")) {
+    baseUrl = `https://${baseUrl}`;
+  }
+  if (baseUrl?.endsWith("/")) {
+    baseUrl = baseUrl.slice(0, -1);
+  }
+
+  return baseUrl;
+}
+
+function travel(
+  config: ServerConfig,
+  keys: Array<keyof ServerConfig>,
+  handle: (prop: any) => any,
+): ServerConfig {
+  const copiedConfig = cloneDeep(config);
+  keys.forEach((k) => {
+    copiedConfig[k] = handle(copiedConfig[k] as string) as never;
+  });
+  return copiedConfig;
+}
+
+export const makeUrlsUsable = (
+  config: ServerConfig,
+  keys: Array<keyof ServerConfig>,
+) => travel(config, keys, formatUrl);
+
+export const disableSystemApiKey = (
+  config: ServerConfig,
+  keys: Array<keyof ServerConfig>,
+  forbidden: boolean,
+) =>
+  travel(config, keys, (p) => {
+    return forbidden ? undefined : p;
+  });
+
+export function isSameOrigin(requestUrl: string) {
+  var a = document.createElement("a");
+  a.href = requestUrl;
+
+  // 检查协议、主机名和端口号是否与当前页面相同
+  return (
+    a.protocol === window.location.protocol &&
+    a.hostname === window.location.hostname &&
+    a.port === window.location.port
+  );
+}