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package controllers
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import (
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"context"
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"github.com/HFO4/cloudreve/pkg/filesystem"
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"github.com/HFO4/cloudreve/pkg/filesystem/fsctx"
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"github.com/HFO4/cloudreve/pkg/filesystem/local"
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"github.com/HFO4/cloudreve/pkg/serializer"
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"github.com/HFO4/cloudreve/service/explorer"
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"github.com/gin-gonic/gin"
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"net/url"
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"strconv"
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)
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// SlaveUpload 从机文件上传
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func SlaveUpload(c *gin.Context) {
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// 创建上下文
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ctx, cancel := context.WithCancel(context.Background())
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ctx = context.WithValue(ctx, fsctx.GinCtx, c)
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defer cancel()
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// 创建匿名文件系统
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fs, err := filesystem.NewAnonymousFileSystem()
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if err != nil {
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c.JSON(200, serializer.Err(serializer.CodePolicyNotAllowed, err.Error(), err))
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return
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}
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fs.Handler = local.Driver{}
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// 从请求中取得上传策略
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uploadPolicyRaw := c.GetHeader("X-Policy")
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if uploadPolicyRaw == "" {
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c.JSON(200, serializer.ParamErr("未指定上传策略", nil))
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return
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}
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// 解析上传策略
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uploadPolicy, err := serializer.DecodeUploadPolicy(uploadPolicyRaw)
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if err != nil {
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c.JSON(200, serializer.ParamErr("上传策略格式有误", err))
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return
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}
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ctx = context.WithValue(ctx, fsctx.UploadPolicyCtx, *uploadPolicy)
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// 取得文件大小
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fileSize, err := strconv.ParseUint(c.Request.Header.Get("Content-Length"), 10, 64)
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if err != nil {
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c.JSON(200, ErrorResponse(err))
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return
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}
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// 解码文件名和路径
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fileName, err := url.QueryUnescape(c.Request.Header.Get("X-FileName"))
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if err != nil {
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c.JSON(200, ErrorResponse(err))
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return
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}
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fileData := local.FileStream{
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MIMEType: c.Request.Header.Get("Content-Type"),
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File: c.Request.Body,
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Name: fileName,
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Size: fileSize,
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}
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// 给文件系统分配钩子
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fs.Use("BeforeUpload", filesystem.HookSlaveUploadValidate)
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fs.Use("AfterUploadCanceled", filesystem.HookDeleteTempFile)
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fs.Use("AfterUpload", filesystem.SlaveAfterUpload)
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fs.Use("AfterValidateFailed", filesystem.HookDeleteTempFile)
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// 执行上传
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err = fs.Upload(ctx, fileData)
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if err != nil {
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c.JSON(200, serializer.Err(serializer.CodeUploadFailed, err.Error(), err))
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return
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}
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c.JSON(200, serializer.Response{
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Code: 0,
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})
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}
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// SlaveDownload 从机文件下载,此请求返回的HTTP状态码不全为200
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func SlaveDownload(c *gin.Context) {
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// 创建上下文
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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var service explorer.SlaveDownloadService
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if err := c.ShouldBindUri(&service); err == nil {
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res := service.ServeFile(ctx, c, true)
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if res.Code != 0 {
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c.JSON(400, res)
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}
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} else {
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c.JSON(400, ErrorResponse(err))
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}
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}
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// SlavePreview 从机文件预览
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func SlavePreview(c *gin.Context) {
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// 创建上下文
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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var service explorer.SlaveDownloadService
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if err := c.ShouldBindUri(&service); err == nil {
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res := service.ServeFile(ctx, c, false)
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if res.Code != 0 {
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c.JSON(200, res)
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}
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} else {
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c.JSON(200, ErrorResponse(err))
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}
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}
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// SlaveThumb 从机文件缩略图
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func SlaveThumb(c *gin.Context) {
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// 创建上下文
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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var service explorer.SlaveFileService
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if err := c.ShouldBindUri(&service); err == nil {
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res := service.Thumb(ctx, c)
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if res.Code != 0 {
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c.JSON(200, res)
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}
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} else {
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c.JSON(200, ErrorResponse(err))
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}
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}
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// SlaveDelete 从机删除
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func SlaveDelete(c *gin.Context) {
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// 创建上下文
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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var service explorer.SlaveFilesService
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if err := c.ShouldBindJSON(&service); err == nil {
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res := service.Delete(ctx, c)
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c.JSON(200, res)
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} else {
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c.JSON(200, ErrorResponse(err))
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}
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}
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