82 lines
3.0 KiB
C#
82 lines
3.0 KiB
C#
using System;
|
|
using System.Threading.Tasks;
|
|
using System.Net.Http;
|
|
using System.Collections.Generic;
|
|
using Newtonsoft.Json;
|
|
|
|
namespace LeanCloud.Common {
|
|
public class LCAppRouter {
|
|
private readonly string appId;
|
|
|
|
private readonly string server;
|
|
|
|
private LCAppServer appServer;
|
|
|
|
public LCAppRouter(string appId, string server) {
|
|
if (!IsInternalApp(appId) && string.IsNullOrEmpty(server)) {
|
|
// 国内节点必须配置自定义域名
|
|
throw new Exception("Please init with your server url.");
|
|
}
|
|
this.appId = appId;
|
|
this.server = server;
|
|
}
|
|
|
|
public async Task<string> GetApiServer() {
|
|
// 优先返回用户自定义域名
|
|
if (!string.IsNullOrEmpty(server)) {
|
|
return server;
|
|
}
|
|
LCAppServer appServ = await FetchAppServer();
|
|
return appServ.ApiServer;
|
|
}
|
|
|
|
public async Task<string> GetRealtimeServer() {
|
|
if (!string.IsNullOrEmpty(server)) {
|
|
return server;
|
|
}
|
|
LCAppServer appServ = await FetchAppServer();
|
|
return appServ.PushServer;
|
|
}
|
|
|
|
async Task<LCAppServer> FetchAppServer() {
|
|
// 判断节点地区
|
|
if (!IsInternalApp(appId)) {
|
|
// 国内节点必须配置自定义域名
|
|
throw new Exception("Please init with your server url.");
|
|
}
|
|
// 向 App Router 请求地址
|
|
if (appServer == null || !appServer.IsValid) {
|
|
try {
|
|
HttpRequestMessage request = new HttpRequestMessage {
|
|
RequestUri = new Uri($"https://app-router.com/2/route?appId={appId}"),
|
|
Method = HttpMethod.Get
|
|
};
|
|
HttpClient client = new HttpClient();
|
|
LCHttpUtils.PrintRequest(client, request);
|
|
HttpResponseMessage response = await client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead);
|
|
request.Dispose();
|
|
|
|
string resultString = await response.Content.ReadAsStringAsync();
|
|
response.Dispose();
|
|
LCHttpUtils.PrintResponse(response, resultString);
|
|
|
|
Dictionary<string, object> data = JsonConvert.DeserializeObject<Dictionary<string, object>>(resultString);
|
|
appServer = new LCAppServer(data);
|
|
} catch (Exception e) {
|
|
LCLogger.Error(e.Message);
|
|
// 拉取服务地址失败后，使用国际节点的默认服务地址
|
|
appServer = LCAppServer.GetInternalFallbackAppServer(appId);
|
|
}
|
|
}
|
|
return appServer;
|
|
}
|
|
|
|
private static bool IsInternalApp(string appId) {
|
|
if (appId.Length < 9) {
|
|
return false;
|
|
}
|
|
string suffix = appId.Substring(appId.Length - 9);
|
|
return suffix == "-MdYXbMMI";
|
|
}
|
|
}
|
|
} |