FileProcessClient/utils/HttpUtils.cs

using FileProcessClient.domain;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Diagnostics;
using System.Net;
using System.Net.Http.Headers;
using System.Text.Json.Nodes;

namespace edu.huvtc.utils
{
    internal class HttpUtils
    {

        public static async Task<string> HttpClientPost(string url, string data)
        {
            string token = CommonUtils.getToken();

            var handler = new HttpClientHandler() { AutomaticDecompression = DecompressionMethods.None };

            handler.ServerCertificateCustomValidationCallback = (message, cert, chain, error) => true;

            string serverUrl = CommonUtils.getServerUrl();                        

            using (var httpclient = new HttpClient(handler))
            {
                try
                {
                    httpclient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token);

                    httpclient.BaseAddress = new Uri(serverUrl + url);

                    HttpContent content = new StringContent(data, System.Text.Encoding.UTF8, "application/json");

                    content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/json");

                    var response = await httpclient.PostAsync(url, content);

                    string responseString = await response.Content.ReadAsStringAsync();

                    //Trace.WriteLine(responseString);

                    return responseString;
                }
                catch (HttpRequestException e)
                {
                    // 捕获 HttpRequestException 异常以处理网络错误
                    //Console.WriteLine($"请求异常: {e.Message}");
                    MessageBox.Show("网络异常，请确认是否联网！");
                    return "";
                }
                catch (TaskCanceledException e)
                {
                    MessageBox.Show("请求超时！");
                    return "";
                }
                catch (Exception e)
                {
                    // 捕获其他异常
                    //Console.WriteLine($"其他异常: {e.Message}");
                    MessageBox.Show("发生未知错误");
                    return "503";
                }
            }

        }

        public static async Task<string> HttpClientGet(string url, string query)
        {
            string token = CommonUtils.getToken();

            url = CommonUtils.getServerUrl() + url;

            Trace.WriteLine(url);

            using (HttpClient client = new HttpClient())
            {
                try
                {
                    client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token);

                    var builder = new UriBuilder(url);

                    //var query = System.Web.HttpUtility.ParseQueryString(builder.Query);
                    //query["param1"] = "value1";
                    //query["param2"] = "value2";

                    builder.Query = query;

                    string str_url = builder.ToString();

                    HttpResponseMessage response = await client.GetAsync(str_url);


                    return await response.Content.ReadAsStringAsync();
                }
                catch (HttpRequestException e)
                {
                    // 捕获 HttpRequestException 异常以处理网络错误
                    //Console.WriteLine($"请求异常: {e.Message}");
                    MessageBox.Show("网络或服务器异常！");
                    return "";
                }
                catch (TaskCanceledException e)
                {
                    MessageBox.Show("请求超时！");
                    return "";
                }
                catch (Exception e)
                {
                    // 捕获其他异常
                    //Console.WriteLine($"其他异常: {e.Message}");
                    MessageBox.Show("发生未知错误");
                    return "";
                }

            }

        }

        public static async Task<bool> getUserInfo()
        {
            string token = CommonUtils.getToken();
            //Trace.WriteLine(token);
            if (token != null && token != "")
            {
                string url = CommonUtils.getApiUrl("user_info_url");
                string result = await HttpUtils.HttpClientGet(url, "");

                //Trace.WriteLine(result);
                if (result == "")
                {
                    return false;
                }
                JObject jsonObject = JObject.Parse(result);
                int code = (int)jsonObject["code"]!;
                if (code != 200)
                {
                    return false;
                }
                else
                {
                    string strUser = jsonObject["user"]!.ToString();

                    //Trace.WriteLine(strUser);

                    JObject obj = JObject.Parse(strUser);
                    int id = (int)obj["userId"]!;
                    string loginId = (string)obj["userName"]!;
                    string phone = (string)obj["phonenumber"]!;
                    string name = (string)obj["nickName"]!;
                    int deptId = (int)obj["deptId"]!;
                    User user = new User(id, name, loginId, phone, deptId);
                    CommonUtils.setUser(user);
                    return true;
                }
            }
            else
            {
                return false;
            }
        }

        public static async Task<bool> saveMediaFileInfo(MediaFileInfo mediaFileInfo)
        {
            var jsonString = JsonConvert.SerializeObject(mediaFileInfo);
            //Trace.WriteLine(jsonString);
            string url = CommonUtils.getApiUrl("save_media_file_url");
            string res = await HttpClientPost(url, jsonString);
            if (res == "")
            {
                return false;
            }
            return true;
        }

        public static async Task<List<ComboboxItem>> getVersionList()
        {
            string url = CommonUtils.getApiUrl("file_version_list_url");

            string res = await HttpUtils.HttpClientGet(url, "");
            //Trace.WriteLine(res);
            if (res == null)
            {
                return new List<ComboboxItem>();
            }

            List<ComboboxItem> list = new List<ComboboxItem>();
            JArray array = JArray.Parse(res);

            foreach (var item in array)
            {
                list.Add(new ComboboxItem(item["dictLabel"]!.ToString(), item["dictCode"]!.ToString()));
            }

            return list;
        }

        public static async Task<List<ComboboxItem>> getCameraList()
        {
            string url = CommonUtils.getApiUrl("camera_list_url");

            string res = await HttpUtils.HttpClientGet(url, "");
            if (res == null)
            {
                return new List<ComboboxItem>();
            }

            List<ComboboxItem> list = new List<ComboboxItem>();

            JArray array = JArray.Parse(res);

            foreach (var item in array)
            {
                list.Add(new ComboboxItem(item["duid"]!.ToString(), item["id"]!.ToString()));
            }

            return list;
        }

        public static async Task<bool> validateLogin(string username, string password)
        {
            JsonObject obj = new JsonObject();
            obj.Add("username", username);
            obj.Add("password", password);
            obj.Add("loginType", 1);
            string result = await HttpUtils.HttpClientPost("/login", obj.ToString());
            Trace.WriteLine("==================="+result);
            if (result == "")
            {
                return false;
            }
            JObject jsonObject = JObject.Parse(result);

            int code = (int)jsonObject["code"]!;
            if (code == 200)
            {
                string token = (string)jsonObject["token"]!;
                CommonUtils.setToken(token);
                return true;
            }
            else
            {
                return false;
            }
        }
    }
}