/// <summary>
/// AES 加密
/// </summary>
public static byte[] AESEncrypt(byte[] array, EnciphererKey key)
{
if (array.Length <= 0)
{
return(null);
}
RijndaelManaged rm = new RijndaelManaged
{
Key = Encoding.UTF8.GetBytes(key.Key),
Mode = CipherMode.ECB,
Padding = PaddingMode.PKCS7
};
if (key.KeyVector.Length == 0)
{
rm.GenerateIV();
key.KeyVector = rm.IV;
}
else
{
rm.IV = key.KeyVector;
}
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, rm.CreateEncryptor(), CryptoStreamMode.Write);
cs.Write(array, 0, array.Length);
cs.FlushFinalBlock();
byte[] cipherBytes = ms.ToArray();
cs.Close();
ms.Close();
return(cipherBytes);
}
private void LoadPlatformMainfest(string rootBundlePath, string folerPath, EnciphererKey keyAsset)
{
//从内存中加载&解密
byte[] datas = Encipherer.AESDecrypt(File.ReadAllBytes(rootBundlePath), keyAsset);
AssetBundle mainfestAssetBundle = AssetBundle.LoadFromMemory(datas);
_mainfest = mainfestAssetBundle.LoadAsset <AssetBundleManifest>("AssetBundleManifest"); //
string[] assetBundleNames = _mainfest.GetAllAssetBundles();
foreach (var item in assetBundleNames)
{
datas = Encipherer.AESDecrypt(File.ReadAllBytes(folerPath + "/" + item), keyAsset);
AssetBundle assetBundle = AssetBundle.LoadFromMemory(datas);
string[] assetNames = assetBundle.GetAllAssetNames();
if (assetBundle.isStreamedSceneAssetBundle)
{
assetNames = assetBundle.GetAllScenePaths();
}
foreach (var name in assetNames)
{
if (!_allAssets.ContainsKey(name))
{
_allAssets.Add(name, assetBundle);
}
}
}
mainfestAssetBundle.Unload(false);
}
/// <summary>
/// 设置资源的路径,默认是为只读路径:Application.streamingAssetsPath;
/// </summary>
/// <param name="path"></param>
public void SetResourcePath(PathType pathType, string rootAssetBundle = "AssetBundles/AssetBundles", bool isEncrypt = false)
{
switch (pathType)
{
case PathType.ReadOnly:
_readPath = Application.streamingAssetsPath;
break;
case PathType.ReadWrite:
_readPath = Application.persistentDataPath;
break;
case PathType.DataPath:
_readPath = Application.dataPath;
break;
case PathType.TemporaryCache:
_readPath = Application.temporaryCachePath;
break;
default:
_readPath = Application.streamingAssetsPath;
break;
}
string rootABPath = _readPath + "/" + rootAssetBundle;
string directionPath = _readPath;
int index = rootAssetBundle.LastIndexOf("/");
if (index > 0 && index < (rootAssetBundle.Length - 1))
{
directionPath += "/" + rootAssetBundle.Substring(0, index);
}
//加载mainfest文件
if (!isEncrypt)
{
LoadPlatformMainfest(rootABPath, directionPath);
}
else
{
EnciphererKey keyAsset = Resources.Load("Key") as EnciphererKey;
LoadPlatformMainfest(rootABPath, directionPath, keyAsset);
}
}
/// <summary>
/// 设置资源的路径,默认是为只读路径:Application.streamingAssetsPath;
/// </summary>
/// <param name="path"></param>
public void SetResourcePath(PathType pathType, string rootAssetBundle = "AssetBundles/AssetBundles", bool isEncrypt = false)
{
switch (pathType)
{
case PathType.ReadOnly:
_readPath = Application.streamingAssetsPath;
break;
case PathType.ReadWrite:
_readPath = Application.persistentDataPath;
break;
case PathType.DataPath:
_readPath = Application.dataPath;
break;
case PathType.TemporaryCache:
_readPath = Application.temporaryCachePath;
break;
default:
_readPath = Application.streamingAssetsPath;
break;
}
string rootAbPath = Path.Combine(_readPath, rootAssetBundle);
_readPath = Path.GetDirectoryName(rootAbPath);
//加载mainfest文件
if (isEncrypt)
{
_enciphererkeyAsset = Resources.Load("Key") as EnciphererKey;
if (_enciphererkeyAsset == null)
{
throw new GamekException("Resource EnciphererKey not Found");
}
}
LoadPlatformMainfest(rootAbPath);
}
/// <summary>
/// AES 解密
/// </summary>
public static string AesDecrypt(string str, EnciphererKey key)
{
if (string.IsNullOrEmpty(str))
{
return(null);
}
byte[] toEncryptArray = Convert.FromBase64String(str);
RijndaelManaged rm = new RijndaelManaged
{
Key = Encoding.UTF8.GetBytes(key.Key),
Mode = CipherMode.ECB,
Padding = PaddingMode.PKCS7
};
ICryptoTransform cTransform = rm.CreateDecryptor();
byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
return(Encoding.UTF8.GetString(resultArray));
}
public static void BuildAssetBundles()
{
string buildPath = EditorConfigInfo.BuildPath;
if (!Directory.Exists(buildPath))
{
Debug.LogError("Please set build path！");
return;
}
//打包资源
Debug.Log("开始打包！" + System.DateTime.Now.ToString("HH:mm:ss:fff"));
BuildAssetBundleOptions option = (BuildAssetBundleOptions)EditorConfigInfo.ZipMode;
BuildTarget target = (BuildTarget)EditorConfigInfo.BuildTarget;
BuildPipeline.BuildAssetBundles(buildPath, option, target);
Debug.Log("打包完成！" + System.DateTime.Now.ToString("HH:mm:ss:fff"));
//资源加密
if ((EncryptMode)EditorConfigInfo.EncryptMode == EncryptMode.AES)
{
string keyPath = Application.dataPath + "/Resources";
if (!Directory.Exists(keyPath))
{
Directory.CreateDirectory(keyPath);
}
if (!File.Exists(keyPath + "/Key.asset"))
{
EnciphererKey ek = ScriptableObject.CreateInstance <EnciphererKey>();
ek.GeneraterKey();
AssetDatabase.CreateAsset(ek, "Assets/Resources/Key.asset");
}
EnciphererKey keyAsset = Resources.Load("Key") as EnciphererKey;
DirectoryInfo dir = new DirectoryInfo(buildPath);
FileSystemInfo[] infos = dir.GetFileSystemInfos();
Debug.Log("开始加密！" + System.DateTime.Now.ToString("HH:mm:ss:fff"));
foreach (FileSystemInfo info in infos)
{
if (info is FileInfo)
{
if (info.Extension == "")
{
byte[] bs = File.ReadAllBytes(info.FullName);
byte[] cipbs = Encipherer.AESEncrypt(bs, keyAsset);
File.WriteAllBytes(info.FullName, cipbs);
Debug.Log("完成资源包 " + info.Name + " 的加密！" + System.DateTime.Now.ToString("HH:mm:ss:fff"));
}
}
}
Debug.Log("加密完成！" + System.DateTime.Now.ToString("HH:mm:ss:fff"));
}
//写入版本号信息
string assetVersionPath = buildPath + "/AssetVersion.txt";
AssetBundleVersionInfo version = new AssetBundleVersionInfo();
version.Version = EditorConfigInfo.AssetVersion;
version.IsEncrypt = (EncryptMode)EditorConfigInfo.EncryptMode == EncryptMode.AES;
version.Resources = new List <ResourcesInfo>();
int index = buildPath.LastIndexOf("/", StringComparison.Ordinal);
if (index > 0)
{
version.ManifestAssetBundle = buildPath.Substring(index + 1, buildPath.Length - index - 1);
}
DirectoryInfo dir1 = new DirectoryInfo(buildPath);
FileSystemInfo[] infos1 = dir1.GetFileSystemInfos();
foreach (FileSystemInfo info in infos1)
{
if (info is FileInfo)
{
if (info.Extension == "")
{
ResourcesInfo ri = new ResourcesInfo();
ri.Name = info.Name;
ri.Hash = info.GetHashCode().ToString();
version.Resources.Add(ri);
}
}
}
string content = JsonUtility.ToJson(version);
File.WriteAllText(assetVersionPath, content);
//版本号迭代
EditorConfigInfo.AssetVersion += 1;
SaveEditorConfigInfo();
AssetDatabase.Refresh();
//打开打包文件夹
EditorUtility.OpenWithDefaultApp(buildPath);
}
public static void BuildAssetBundles()
{
string buildPath = EditorConfigInfo.BuildPath;
if (!Directory.Exists(buildPath))
{
Debug.LogError("Please set build path！");
return;
}
//平台资源的信息
string platformVersionPath = Path.Combine(buildPath, "AssetPlatformVersion.txt");
AssetPlatformVersionInfo assetPlatformVersionInfo = new AssetPlatformVersionInfo();
assetPlatformVersionInfo.Platforms = new List <string>();
//资源加密
EnciphererKey keyAsset = null;
if ((EncryptMode)EditorConfigInfo.EncryptMode == EncryptMode.AES)
{
string keyPath = Application.dataPath + "/Resources";
if (!Directory.Exists(keyPath))
{
Directory.CreateDirectory(keyPath);
}
if (!File.Exists(keyPath + "/Key.asset"))
{
EnciphererKey ek = ScriptableObject.CreateInstance <EnciphererKey>();
ek.GeneraterKey();
AssetDatabase.CreateAsset(ek, "Assets/Resources/Key.asset");
AssetDatabase.Refresh();
}
keyAsset = Resources.Load("Key") as EnciphererKey;
}
//根据各个平台打包
foreach (var item in EditorConfigInfo.BuildTargets)
{
//打包
BuildTarget target = (BuildTarget)item;
string targetName = target.ToString().ToLower();
//添加平台的信息
assetPlatformVersionInfo.Platforms.Add(targetName);
string targetBuildPath = Path.Combine(buildPath, targetName);
if (!Directory.Exists(targetBuildPath))
{
Directory.CreateDirectory(targetBuildPath);
}
Debug.Log("开始打包--" + targetName + System.DateTime.Now.ToString(" HH:mm:ss:fff"));
BuildAssetBundleOptions option = (BuildAssetBundleOptions)EditorConfigInfo.ZipMode;
BuildPipeline.BuildAssetBundles(targetBuildPath, option, target);
Debug.Log("打包完成--" + targetName + System.DateTime.Now.ToString(" HH:mm:ss:fff"));
//写入版本号信息
string assetVersionPath = targetBuildPath + "/AssetVersion.txt";
AssetBundleVersionInfo version = new AssetBundleVersionInfo();
version.ManifestAssetBundle = targetName;
version.Version = EditorConfigInfo.AssetVersion;
version.IsEncrypt = (EncryptMode)EditorConfigInfo.EncryptMode == EncryptMode.AES;
version.Resources = new List <ResourcesInfo>();
List <FileInfo> allFiles = GetAllFiles(targetBuildPath);
for (int i = 0; i < allFiles.Count; i++)
{
FileInfo fileInfo = allFiles[i];
if (fileInfo.Extension == ".manifest")
{
File.Delete(fileInfo.FullName);
}
else if (fileInfo.Name == "AssetVersion.txt")
{
continue;
}
//加密
else
{
byte[] bs = File.ReadAllBytes(fileInfo.FullName);
if (keyAsset != null)
{
byte[] cipbs = Encipherer.AESEncrypt(bs, keyAsset);
File.WriteAllBytes(fileInfo.FullName, cipbs);
//加密后md5的值应该刷新
bs = cipbs;
}
ResourcesInfo resourcesInfo = new ResourcesInfo();
string fullPath = Path.GetFullPath(targetBuildPath);
resourcesInfo.Name = fileInfo.FullName.Replace(fullPath + "\\", "");
System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
//计算字节数组的哈希值
byte[] toData = md5.ComputeHash(bs);
string fileMD5 = "";
for (int j = 0; j < toData.Length; j++)
{
fileMD5 += toData[j].ToString("x2");
}
resourcesInfo.MD5 = fileMD5;
version.Resources.Add(resourcesInfo);
}
}
//保存AssetVersion文件
string content = JsonUtility.ToJson(version);
File.WriteAllText(assetVersionPath, content);
}
//保存平台信息文件
string platformContent = JsonUtility.ToJson(assetPlatformVersionInfo);
File.WriteAllText(platformVersionPath, platformContent);
//版本号迭代
EditorConfigInfo.AssetVersion += 1;
SaveEditorConfigInfo();
AssetDatabase.Refresh();
//打开打包文件夹
EditorUtility.OpenWithDefaultApp(buildPath);
}
