cdrop — 跨 OS 剪贴板与文件传输服务
Commilitia Drop:自托管的跨设备剪贴板同步与点对点文件传输。 - 后端 Go(chi / SQLite WAL / SSE Hub / WebRTC signaling + 状态机 / Relay ring buffer),编译进单个 distroless 镜像(前端 go:embed)。 - 前端 React + TanStack Router + Zustand,自实现 SSE + WebRTC P2P,NAT 受阻时回退服务端中继;聚珍(Juzhen)CJK 综合排版。 - 桌面端 Wails v2(macOS / Windows),瘦客户端复用 web。 - 鉴权 OIDC PKCE(自建 Casdoor 等),refresh_token 信封加密存系统密钥库;iOS Shortcut 用 HS256 scoped token。 架构文档与变更记录见 docs 分支(PROJECT_BRIEF / FRONTEND_DESIGN / CHANGELOG)。 本次为公开发布初始提交:完整开发历史(含部署细节)留存于私有归档,公开仓库自此干净起步。
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@@ -0,0 +1,67 @@
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//go:build windows
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package platform
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import (
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"context"
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"golang.design/x/clipboard"
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)
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// windowsClipboard is the Windows Source backed by golang.design/x/clipboard
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// (pure syscall, no cgo): it watches the clipboard for local copies via
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// GetClipboardSequenceNumber polling and writes plain text back.
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type windowsClipboard struct {
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ready bool
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}
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// NewClipboardSource returns the platform clipboard Source (Windows). If the
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// clipboard can't be initialised it degrades to an inert source so the rest of
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// the sync wiring still runs.
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func NewClipboardSource() Source {
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return &windowsClipboard{ready: clipboard.Init() == nil}
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}
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func (c *windowsClipboard) Watch(ctx context.Context) <-chan ClipboardEvent {
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out := make(chan ClipboardEvent)
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go func() {
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defer close(out)
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if !c.ready {
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<-ctx.Done()
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return
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}
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changes := clipboard.Watch(ctx, clipboard.FmtText)
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for {
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select {
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case <-ctx.Done():
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return
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case data, ok := <-changes:
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if !ok {
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return
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}
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if data.Format != clipboard.FmtText || len(data.Bytes) == 0 {
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continue
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}
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// golang.design/x/clipboard surfaces only the text — the Windows
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// privacy formats (ExcludeClipboardContentFromMonitorProcessing /
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// CanUploadToCloudClipboard) aren't exposed, so Sensitive stays
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// false and the server's 5-min TTL is the backstop. A raw
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// EnumClipboardFormats check is a possible follow-up.
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select {
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case out <- ClipboardEvent{Text: string(data.Bytes)}:
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case <-ctx.Done():
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return
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}
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}
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}
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}()
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return out
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}
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func (c *windowsClipboard) Write(text string) error {
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if !c.ready {
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return nil
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}
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clipboard.Write(clipboard.FmtText, []byte(text))
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return nil
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}
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