功能(文档与桌面):完善文件预览下载与客户端构建基线
- 保存文档版本原始文件名,规范下载响应并持久化上传目录\n- 增加 PDF.js 预览、桌面保存打开流程及统一错误反馈\n- 统一 Node.js 22.13 构建基线并收紧临时文件权限门禁\n- 补充迁移、单元测试、发布检查与运维文档
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export const getContentDispositionFilename = (header?: string | null): string | null => {
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if (!header) return null;
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const encoded = /filename\*\s*=\s*UTF-8''([^;]+)/i.exec(header)?.[1];
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if (encoded) {
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try {
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return decodeURIComponent(encoded.trim().replace(/^"|"$/g, ""));
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} catch {
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// Fall through to the ASCII filename when the RFC 5987 value is malformed.
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}
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}
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return /filename\s*=\s*"([^"]+)"|filename\s*=\s*([^;]+)/i.exec(header)?.slice(1).find(Boolean)?.trim() || null;
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};
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