From 33d921f1a9bc2d3ba809fa55f3e4f65bad8ae730 Mon Sep 17 00:00:00 2001
From: cxfksword <718792+cxfksword@users.noreply.github.com>
Date: Fri, 23 Dec 2022 21:45:29 +0800
Subject: [PATCH] Optimize douban cookie

---
 Jellyfin.Plugin.MetaShark/Api/DoubanApi.cs    | 76 +++++++++++++------
 .../Configuration/configPage.html             |  8 +-
 2 files changed, 58 insertions(+), 26 deletions(-)

diff --git a/Jellyfin.Plugin.MetaShark/Api/DoubanApi.cs b/Jellyfin.Plugin.MetaShark/Api/DoubanApi.cs
index fe58491..f0f58f5 100644
--- a/Jellyfin.Plugin.MetaShark/Api/DoubanApi.cs
+++ b/Jellyfin.Plugin.MetaShark/Api/DoubanApi.cs
@@ -39,6 +39,8 @@ namespace Jellyfin.Plugin.MetaShark.Api
         const string HTTP_USER_AGENT = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36 Edg/93.0.961.44";
         private readonly ILogger<DoubanApi> _logger;
         private HttpClient httpClient;
+        private CookieContainer _cookieContainer;
+        private string oldLoadedCookies = string.Empty;
         private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.Options;
         private readonly IMemoryCache _memoryCache;
         private static readonly object _lock = new object();
@@ -83,7 +85,7 @@ namespace Jellyfin.Plugin.MetaShark.Api
             _memoryCache = new MemoryCache(new MemoryCacheOptions());
 
             var handler = new HttpClientHandlerEx();
-            this.SetDoubanCookie(handler.CookieContainer);
+            this._cookieContainer = handler.CookieContainer;
             httpClient = new HttpClient(handler, true);
             httpClient.Timeout = TimeSpan.FromSeconds(10);
             httpClient.DefaultRequestHeaders.Add("user-agent", HTTP_USER_AGENT);
@@ -93,34 +95,52 @@ namespace Jellyfin.Plugin.MetaShark.Api
 
 
 
-        private void SetDoubanCookie(CookieContainer cookieContainer)
+        private void EnsureLoadDoubanCookie()
         {
             var configCookie = Plugin.Instance?.Configuration.DoubanCookies.Trim() ?? string.Empty;
-            if (string.IsNullOrEmpty(configCookie))
-            {
-                return;
-            }
 
-            var uri = new Uri("https://douban.com/");
-            var arr = configCookie.Split(';');
-            foreach (var str in arr)
+            lock (_lock)
             {
-                var cookieArr = str.Split('=');
-                if (cookieArr.Length != 2)
+                if (oldLoadedCookies != configCookie)
                 {
-                    continue;
+                    oldLoadedCookies = configCookie;
+
+                    var uri = new Uri("https://douban.com/");
+
+                    // 清空旧的cookie
+                    var cookies = _cookieContainer.GetCookies(uri);
+                    foreach (Cookie co in cookies)
+                    {
+                        co.Expires = DateTime.Now.Subtract(TimeSpan.FromDays(1));
+                    }
+
+
+                    // 附加新的cookie
+                    if (!string.IsNullOrEmpty(configCookie))
+                    {
+                        var arr = configCookie.Split(';');
+                        foreach (var str in arr)
+                        {
+                            var cookieArr = str.Split('=');
+                            if (cookieArr.Length != 2)
+                            {
+                                continue;
+                            }
+
+                            var key = cookieArr[0].Trim();
+                            var value = cookieArr[1].Trim();
+                            try
+                            {
+                                _cookieContainer.Add(new Cookie(key, value, "/", ".douban.com"));
+                            }
+                            catch (Exception ex)
+                            {
+                                this._logger.LogError(ex, ex.Message);
+                            }
+                        }
+                    }
                 }
 
-                var key = cookieArr[0].Trim();
-                var value = cookieArr[1].Trim();
-                try
-                {
-                    cookieContainer.Add(new Cookie(key, value, "/", ".douban.com"));
-                }
-                catch (Exception ex)
-                {
-                    this._logger.LogError(ex, ex.Message);
-                }
             }
         }
 
@@ -141,6 +161,8 @@ namespace Jellyfin.Plugin.MetaShark.Api
             }
 
 
+            EnsureLoadDoubanCookie();
+
             keyword = HttpUtility.UrlEncode(keyword);
             var url = $"https://www.douban.com/search?cat=1002&q={keyword}";
             var response = await httpClient.GetAsync(url, cancellationToken).ConfigureAwait(false);
@@ -206,6 +228,8 @@ namespace Jellyfin.Plugin.MetaShark.Api
                 return movie;
             }
 
+            EnsureLoadDoubanCookie();
+
             var url = $"https://movie.douban.com/subject/{sid}/";
             var response = await httpClient.GetAsync(url, cancellationToken).ConfigureAwait(false);
             if (!response.IsSuccessStatusCode)
@@ -314,6 +338,8 @@ namespace Jellyfin.Plugin.MetaShark.Api
                 return celebrities;
             }
 
+            EnsureLoadDoubanCookie();
+
             var list = new List<DoubanCelebrity>();
             var url = $"https://movie.douban.com/subject/{sid}/celebrities";
             var response = await httpClient.GetAsync(url, cancellationToken).ConfigureAwait(false);
@@ -381,6 +407,8 @@ namespace Jellyfin.Plugin.MetaShark.Api
                 return celebrity;
             }
 
+            EnsureLoadDoubanCookie();
+
             var url = $"https://movie.douban.com/celebrity/{id}/";
             var response = await httpClient.GetAsync(url, cancellationToken).ConfigureAwait(false);
             response.EnsureSuccessStatusCode();
@@ -454,6 +482,8 @@ namespace Jellyfin.Plugin.MetaShark.Api
                 return searchResult;
             }
 
+            EnsureLoadDoubanCookie();
+
 
             keyword = HttpUtility.UrlEncode(keyword);
             var url = $"https://movie.douban.com/celebrities/search?search_text={keyword}";
@@ -505,6 +535,8 @@ namespace Jellyfin.Plugin.MetaShark.Api
                 return photos;
             }
 
+            EnsureLoadDoubanCookie();
+
             var list = new List<DoubanPhoto>();
             var url = $"https://movie.douban.com/subject/{sid}/photos?type=W&start=0&sortby=size&size=a&subtype=a";
             var response = await httpClient.GetAsync(url, cancellationToken).ConfigureAwait(false);
diff --git a/Jellyfin.Plugin.MetaShark/Configuration/configPage.html b/Jellyfin.Plugin.MetaShark/Configuration/configPage.html
index 14f266d..4378b0e 100644
--- a/Jellyfin.Plugin.MetaShark/Configuration/configPage.html
+++ b/Jellyfin.Plugin.MetaShark/Configuration/configPage.html
@@ -25,8 +25,8 @@
                     <div class="inputContainer">
                         <label class="inputLabel inputLabelUnfocused" for="DoubanCookies">豆瓣网站cookie</label>
                         <textarea rows="5" is="emby-input" type="text" id="DoubanCookies" name="DoubanCookies"
-                            class="emby-input"></textarea>
-                        <div class="fieldDescription">可为空，填写可搜索到需登录访问的影片.(需重启才能生效)</div>
+                            class="emby-input" placeholder="_vwo_uuid_v2=1; __utmv=2; ..."></textarea>
+                        <div class="fieldDescription">可为空，填写可搜索到需登录访问的影片，使用分号“;”分隔格式cookie.</div>
                     </div>
 
                     <fieldset class="verticalSection verticalSection-extrabottompadding">
@@ -38,7 +38,7 @@
                                 <input id="EnableTmdb" name="EnableTmdb" type="checkbox" is="emby-checkbox" />
                                 <span>启用从TheMovieDb获取元数据</span>
                             </label>
-                            <div class="fieldDescription">勾选后，会尝试从TheMovieDb获取季度和剧集元数据</div>
+                            <div class="fieldDescription">勾选后，会尝试从TheMovieDb获取剧集元数据</div>
                         </div>
                         <div class="checkboxContainer checkboxContainer-withDescription">
                             <label class="emby-checkbox-label" for="EnableTmdbSearch">
@@ -78,7 +78,7 @@
                     Dashboard.showLoadingMsg();
                     ApiClient.getPluginConfiguration(TemplateConfig.pluginUniqueId).then(function (config) {
                         $('#current_version').text("v" + config.Version);
-                        
+
                         document.querySelector('#DoubanCookies').value = config.DoubanCookies;
                         document.querySelector('#EnableTmdb').checked = config.EnableTmdb;
                         document.querySelector('#EnableTmdbSearch').checked = config.EnableTmdbSearch;