添加项目文件。

2022-03-28 15:27:40 +08:00
parent b620fcb0cf
commit dc78fd1a09
898 changed files with 173053 additions and 0 deletions
@@ -0,0 +1,43 @@
+using System.Linq;
+using System.Text.RegularExpressions;
+using Microsoft.AspNetCore.Http;
+
+namespace IRaCIS.Core.Infrastructure
+{
+    public class IPHelper
+    {
+        /// <summary>
+        /// 是否为ip
+        /// </summary>
+        /// <param name="ip"></param>
+        /// <returns></returns>
+        public static bool IsIP(string ip)
+        {
+            return Regex.IsMatch(ip, @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$");
+        }
+
+        public static string GetIP(HttpRequest request)
+        {
+            if (request == null)
+            {
+                return "";
+            }
+
+            string ip = request.Headers["X-Real-IP"].FirstOrDefault();
+            if (string.IsNullOrEmpty(ip))
+            {
+                ip = request.Headers["X-Forwarded-For"].FirstOrDefault();
+            }
+            if (string.IsNullOrEmpty(ip))
+            {
+                ip = request.HttpContext?.Connection?.RemoteIpAddress?.ToString();
+            }
+            if (string.IsNullOrEmpty(ip) || !IsIP(ip))
+            {
+                ip = "127.0.0.1";
+            }
+
+            return ip;
+        }
+    }
+}
@@ -0,0 +1,20 @@
+using System.Security.Cryptography;
+using System.Text;
+
+namespace IRaCIS.Core.Infrastructure
+{
+    public class MD5Helper
+    {
+        public static string Md5(string target)
+        {
+            using (MD5 md5 = MD5.Create())
+            { // MD5非线程安全
+                byte[] bytes = md5.ComputeHash(Encoding.UTF8.GetBytes(target));
+                StringBuilder sb = new StringBuilder(32);
+                for (int i = 0; i < bytes.Length; ++i)
+                    sb.Append(bytes[i].ToString("x2"));
+                return sb.ToString();
+            }
+        }
+    }
+}
@@ -0,0 +1,52 @@
+using System;
+using System.IO;
+
+using ICSharpCode.SharpZipLib.Checksum;
+using ICSharpCode.SharpZipLib.Zip;
+
+namespace IRaCIS.Core.Infrastructure
+{
+    public  class ZipHelper
+    {
+        public static void CreateZip(string sourceFilePath, string destinationZipFilePath)
+        {
+            if (sourceFilePath[sourceFilePath.Length - 1] != Path.DirectorySeparatorChar)
+                sourceFilePath += Path.DirectorySeparatorChar;
+         
+                ZipOutputStream zipStream = new ZipOutputStream(File.Create(destinationZipFilePath));
+                zipStream.SetLevel(6);  // 压缩级别 0-9
+                CreateZipFiles(sourceFilePath, zipStream);
+                zipStream.Finish();
+                zipStream.Close();           
+        }
+       
+        private static void CreateZipFiles(string sourceFilePath, ZipOutputStream zipStream)
+        {
+            Crc32 crc = new Crc32();
+            string[] filesArray = Directory.GetFileSystemEntries(sourceFilePath);
+            foreach (string file in filesArray)
+            {
+                if (Directory.Exists(file))                     //如果当前是文件夹，递归
+                {
+                    CreateZipFiles(file, zipStream);
+                }
+                else                                            //如果是文件，开始压缩
+                {
+                    FileStream fileStream = File.OpenRead(file);
+                    byte[] buffer = new byte[fileStream.Length];
+                    fileStream.Read(buffer, 0, buffer.Length);
+                    string tempFile = file.Substring(sourceFilePath.LastIndexOf("\\") + 1);
+                    ZipEntry entry = new ZipEntry(tempFile);
+                    entry.DateTime = DateTime.Now;
+                    entry.Size = fileStream.Length;
+                    fileStream.Close();
+                    crc.Reset();
+                    crc.Update(buffer);
+                    entry.Crc = crc.Value;
+                    zipStream.PutNextEntry(entry);
+                    zipStream.Write(buffer, 0, buffer.Length);
+                }
+            }
+        }
+    }
+}