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CloudBuilder.Security/Policy/FileTypePolicy.cs

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+using CloudBuilder.Core.DatabaseAccessor.Entity;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CloudBuilder.Security.Policy
+{
+    public class FileTypePolicy
+    {
+        public const string VIDEO = "V";
+        public const string AUDIO = "A";
+        public const string PHOTO = "P";
+        public const string DOCUMENT = "D";
+        public const string LYRIC = "L";
+
+        public static string GetType(string value)
+        {
+            if (string.IsNullOrEmpty(value)) return DOCUMENT;
+            else if (value.ToLower().Contains(".lrc")) return LYRIC;
+
+            else if (value.ToLower().Contains(".jpg") || value.ToLower().Contains(".png") ||
+                value.ToLower().Contains(".webp") || value.ToLower().Contains(".bmp") ||
+                   value.ToLower().Contains(".gif") || value.ToLower().Contains(".jpeg")) return PHOTO;
+
+            else if (value.ToLower().Contains(".avi") || value.ToLower().Contains(".mpeg") ||
+                value.ToLower().Contains(".mov") || value.ToLower().Contains(".wmv") ||
+                value.ToLower().Contains(".mp4") || value.ToLower().Contains(".mkv") ||
+                value.ToLower().Contains(".flv") || value.ToLower().Contains(".rm")) return VIDEO;
+
+            else if (value.ToLower().Contains(".mp3") || value.ToLower().Contains(".wav") ||
+                value.ToLower().Contains(".flac") || value.ToLower().Contains(".ape") ||
+                value.ToLower().Contains(".wma") || value.ToLower().Contains(".mid")) return AUDIO;
+
+            return DOCUMENT;
+        }
+
+
+        public static bool IsAudio(string value)
+        {
+            return GetType(value) == AUDIO;
+        }
+
+        public static bool IsPhoto(string value)
+        {
+            return GetType(value) == PHOTO;
+        }
+
+        public static bool IsVideo(string value)
+        {
+            return GetType(value) == VIDEO;
+        }
+
+        public static bool IsLyric(string value)
+        {
+            return GetType(value) == LYRIC;
+        }
+
+
+        public static string PackUrl(IApplicationService service, string createdBy, string orderKey, string transcodeIndc)
+        {
+            string url = string.Empty;
+            var webRootPath = service.Configuration["FileServiceSettings:RequestPath"];
+            var phy = service.Configuration["FileServiceSettings:PhysicalFileDirectory"];
+
+            var fileExtension = Path.GetExtension(orderKey);//获取文件格式，拓展名
+            if (GetType(orderKey!) == FileTypePolicy.PHOTO)
+            {
+                if (transcodeIndc == YesNoPolicy.YES)
+                {
+                    var backup = service.Configuration["FileServiceSettings:BackupDmsFileDirectory"].Replace(phy, "");
+                    var filePath = $"{backup.Replace("\\", "/")}/{createdBy}/{fileExtension.Replace(".", "")}/";
+                    url = service.Configuration["applicationUrl"] + webRootPath + filePath + orderKey;
+                }
+                else
+                {
+                    var scale = service.Configuration["FileServiceSettings:ScaleDmsFileDirectory"].Replace(phy, "");
+                    var filePath = $"{scale.Replace("\\", "/")}/{createdBy}/{fileExtension.Replace(".", "")}/";
+                    url = service.Configuration["applicationUrl"] + webRootPath + filePath + orderKey;
+                }
+            }
+            else if (GetType(orderKey!) == FileTypePolicy.AUDIO)
+            {
+                var backup = service.Configuration["FileServiceSettings:BackupDmsFileDirectory"].Replace(phy, "");
+                var filePath = $"{backup.Replace("\\", "/")}/{createdBy}/{fileExtension.Replace(".", "")}/";
+                url = service.Configuration["applicationUrl"] + webRootPath + filePath + orderKey;
+            }
+            else if (GetType(orderKey!) == FileTypePolicy.VIDEO)
+            {
+                if (transcodeIndc == YesNoPolicy.YES)
+                {
+                    var upload = service.Configuration["FileServiceSettings:UploadDmsFileDirectory"].Replace(phy, "");
+                    var filePath = $"{upload.Replace("\\", "/")}/{createdBy}/m3u8/";
+                    url = service.Configuration["applicationUrl"] + webRootPath + filePath + Path.GetFileNameWithoutExtension(orderKey) + "/main.m3u8";
+                }
+                else
+                {
+                    var backup = service.Configuration["FileServiceSettings:BackupDmsFileDirectory"].Replace(phy, "");
+                    var filePath = $"{backup.Replace("\\", "/")}/{createdBy}/{fileExtension.Replace(".", "")}/";
+                    url = service.Configuration["applicationUrl"] + webRootPath + filePath + orderKey;
+                }
+            }
+
+            return url;
+        }
+
+        public static string PackSourceVideoUrl(IApplicationService service, string createdBy, string orderKey)
+        {
+            var webRootPath = service.Configuration["FileServiceSettings:RequestPath"];
+            var phy = service.Configuration["FileServiceSettings:PhysicalFileDirectory"];
+            var upload = service.Configuration["FileServiceSettings:BackupDmsFileDirectory"].Replace(phy, "");
+            var fileExtension = Path.GetExtension(orderKey);//获取文件格式，拓展名
+            var filePath = $"{upload.Replace("\\", "/")}/{createdBy}/{fileExtension.Replace(".", "")}/";
+            return service.Configuration["applicationUrl"] + webRootPath + filePath + orderKey;
+
+        }
+        public static string PackFilePath(IApplicationService service, string createdBy, string orderKey)
+        {
+            var backup = service.Configuration["FileServiceSettings:BackupDmsFileDirectory"]!;
+            var fileExtension = Path.GetExtension(orderKey).Replace(".", "");//获取文件格式，拓展名
+
+            return Path.Combine(backup, createdBy, fileExtension, orderKey);
+        }
+    }
+}