激进的更新

scripts/Generate-DeltaPackage.ps1

@@ -0,0 +1,184 @@
+# Generate-DeltaPackage.ps1
+# 生成增量更新包 (delta.zip + files.json)
+
+param(
+    [Parameter(Mandatory=$true)]
+    [string]$PreviousVersion,
+    
+    [Parameter(Mandatory=$true)]
+    [string]$CurrentVersion,
+    
+    [Parameter(Mandatory=$true)]
+    [string]$PreviousDir,
+    
+    [Parameter(Mandatory=$true)]
+    [string]$CurrentDir,
+    
+    [Parameter(Mandatory=$true)]
+    [string]$OutputDir
+)
+
+$ErrorActionPreference = "Stop"
+
+Write-Host "=== 生成增量更新包 ===" -ForegroundColor Cyan
+Write-Host "从版本: $PreviousVersion"
+Write-Host "到版本: $CurrentVersion"
+Write-Host "上一版本目录: $PreviousDir"
+Write-Host "当前版本目录: $CurrentDir"
+Write-Host "输出目录: $OutputDir"
+Write-Host ""
+
+# 确保输出目录存在
+New-Item -ItemType Directory -Force -Path $OutputDir | Out-Null
+
+# 计算文件 SHA256
+function Get-FileSha256 {
+    param([string]$Path)
+    $hash = Get-FileHash -Path $Path -Algorithm SHA256
+    return $hash.Hash.ToLower()
+}
+
+# 获取目录中所有文件的相对路径和哈希
+function Get-FileManifest {
+    param([string]$RootDir)
+    
+    $manifest = @{}
+    $files = Get-ChildItem -Path $RootDir -Recurse -File
+    
+    foreach ($file in $files) {
+        $relativePath = $file.FullName.Substring($RootDir.Length).TrimStart('\', '/')
+        $relativePath = $relativePath.Replace('\', '/')
+        
+        $manifest[$relativePath] = @{
+            Path = $relativePath
+            Sha256 = Get-FileSha256 -Path $file.FullName
+            Size = $file.Length
+        }
+    }
+    
+    return $manifest
+}
+
+Write-Host "扫描上一版本文件..." -ForegroundColor Yellow
+$previousManifest = Get-FileManifest -RootDir $PreviousDir
+
+Write-Host "扫描当前版本文件..." -ForegroundColor Yellow
+$currentManifest = Get-FileManifest -RootDir $CurrentDir
+
+# 分析文件变更
+$changedFiles = @()
+$reusedFiles = @()
+$deletedFiles = @()
+
+Write-Host "分析文件变更..." -ForegroundColor Yellow
+
+# 检查新增和修改的文件
+foreach ($path in $currentManifest.Keys) {
+    $currentFile = $currentManifest[$path]
+    
+    if ($previousManifest.ContainsKey($path)) {
+        $previousFile = $previousManifest[$path]
+        
+        if ($currentFile.Sha256 -eq $previousFile.Sha256) {
+            # 文件未变更,可以复用
+            $reusedFiles += @{
+                Path = $path
+                Action = "reuse"
+                Sha256 = $currentFile.Sha256
+                Size = $currentFile.Size
+            }
+        } else {
+            # 文件已修改
+            $changedFiles += @{
+                Path = $path
+                Action = "replace"
+                Sha256 = $currentFile.Sha256
+                Size = $currentFile.Size
+                ArchivePath = $path
+            }
+        }
+    } else {
+        # 新增文件
+        $changedFiles += @{
+            Path = $path
+            Action = "add"
+            Sha256 = $currentFile.Sha256
+            Size = $currentFile.Size
+            ArchivePath = $path
+        }
+    }
+}
+
+# 检查删除的文件
+foreach ($path in $previousManifest.Keys) {
+    if (-not $currentManifest.ContainsKey($path)) {
+        $deletedFiles += @{
+            Path = $path
+            Action = "delete"
+        }
+    }
+}
+
+Write-Host "变更统计:" -ForegroundColor Green
+Write-Host "  新增/修改: $($changedFiles.Count) 个文件"
+Write-Host "  复用: $($reusedFiles.Count) 个文件"
+Write-Host "  删除: $($deletedFiles.Count) 个文件"
+Write-Host ""
+
+# 创建临时目录用于打包
+$tempDir = Join-Path $OutputDir "temp_delta"
+if (Test-Path $tempDir) {
+    Remove-Item -Path $tempDir -Recurse -Force
+}
+New-Item -ItemType Directory -Force -Path $tempDir | Out-Null
+
+# 复制变更的文件到临时目录
+Write-Host "复制变更文件..." -ForegroundColor Yellow
+foreach ($file in $changedFiles) {
+    $sourcePath = Join-Path $CurrentDir $file.Path
+    $destPath = Join-Path $tempDir $file.Path
+    $destDir = Split-Path -Parent $destPath
+    
+    if (-not (Test-Path $destDir)) {
+        New-Item -ItemType Directory -Force -Path $destDir | Out-Null
+    }
+    
+    Copy-Item -Path $sourcePath -Destination $destPath -Force
+}
+
+# 创建 delta.zip
+$deltaZipPath = Join-Path $OutputDir "delta-$PreviousVersion-to-$CurrentVersion.zip"
+Write-Host "创建增量包: $deltaZipPath" -ForegroundColor Yellow
+
+if (Test-Path $deltaZipPath) {
+    Remove-Item -Path $deltaZipPath -Force
+}
+
+Compress-Archive -Path "$tempDir\*" -DestinationPath $deltaZipPath -CompressionLevel Optimal
+
+# 清理临时目录
+Remove-Item -Path $tempDir -Recurse -Force
+
+# 生成 files.json
+$filesJson = @{
+    FromVersion = $PreviousVersion
+    ToVersion = $CurrentVersion
+    GeneratedAt = (Get-Date).ToUniversalTime().ToString("o")
+    Files = @($changedFiles + $reusedFiles + $deletedFiles)
+}
+
+$filesJsonPath = Join-Path $OutputDir "files-$CurrentVersion.json"
+Write-Host "生成文件清单: $filesJsonPath" -ForegroundColor Yellow
+
+$filesJson | ConvertTo-Json -Depth 10 | Set-Content -Path $filesJsonPath -Encoding UTF8
+
+# 计算增量包大小
+$deltaSize = (Get-Item $deltaZipPath).Length
+$deltaSizeMB = [math]::Round($deltaSize / 1MB, 2)
+
+Write-Host ""
+Write-Host "=== 完成 ===" -ForegroundColor Green
+Write-Host "增量包大小: $deltaSizeMB MB"
+Write-Host "输出文件:"
+Write-Host "  - $deltaZipPath"
+Write-Host "  - $filesJsonPath"

scripts/Sign-FileMap.ps1

@@ -0,0 +1,65 @@
+# Sign-FileMap.ps1
+# 对 files.json 进行 RSA 签名
+
+param(
+    [Parameter(Mandatory=$true)]
+    [string]$FilesJsonPath,
+    
+    [Parameter(Mandatory=$true)]
+    [string]$PrivateKeyPath,
+    
+    [Parameter(Mandatory=$false)]
+    [string]$OutputPath
+)
+
+$ErrorActionPreference = "Stop"
+
+Write-Host "=== 签名文件清单 ===" -ForegroundColor Cyan
+Write-Host "文件清单: $FilesJsonPath"
+Write-Host "私钥: $PrivateKeyPath"
+Write-Host ""
+
+# 检查文件是否存在
+if (-not (Test-Path $FilesJsonPath)) {
+    Write-Error "文件清单不存在: $FilesJsonPath"
+    exit 1
+}
+
+if (-not (Test-Path $PrivateKeyPath)) {
+    Write-Error "私钥文件不存在: $PrivateKeyPath"
+    exit 1
+}
+
+# 确定输出路径
+if ([string]::IsNullOrWhiteSpace($OutputPath)) {
+    $OutputPath = "$FilesJsonPath.sig"
+}
+
+# 读取文件内容
+$jsonBytes = [System.IO.File]::ReadAllBytes($FilesJsonPath)
+
+# 读取私钥
+$privateKeyPem = Get-Content -Path $PrivateKeyPath -Raw
+
+# 使用 .NET 进行 RSA 签名
+Add-Type -AssemblyName System.Security.Cryptography
+
+$rsa = [System.Security.Cryptography.RSA]::Create()
+$rsa.ImportFromPem($privateKeyPem)
+
+# 生成签名
+$signature = $rsa.SignData(
+    $jsonBytes,
+    [System.Security.Cryptography.HashAlgorithmName]::SHA256,
+    [System.Security.Cryptography.RSASignaturePadding]::Pkcs1
+)
+
+# 转换为 Base64
+$signatureBase64 = [Convert]::ToBase64String($signature)
+
+# 写入签名文件
+Set-Content -Path $OutputPath -Value $signatureBase64 -Encoding ASCII
+
+Write-Host "=== 完成 ===" -ForegroundColor Green
+Write-Host "签名文件: $OutputPath"
+Write-Host "签名长度: $($signature.Length) 字节"