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cloudreve/routers/controllers/file.go

97 lines
2.6 KiB

package controllers
import (
"context"
"github.com/HFO4/cloudreve/models"
"github.com/HFO4/cloudreve/pkg/filesystem"
"github.com/HFO4/cloudreve/pkg/filesystem/local"
"github.com/HFO4/cloudreve/pkg/serializer"
"github.com/HFO4/cloudreve/pkg/util"
"github.com/HFO4/cloudreve/service/explorer"
"github.com/gin-gonic/gin"
"net/url"
"strconv"
)
// Download 文件下载
func Download(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var service explorer.FileDownloadService
if err := c.ShouldBindUri(&service); err == nil {
res := service.Download(ctx, c)
if res.Code != 0 {
c.JSON(200, res)
}
} else {
c.JSON(200, ErrorResponse(err))
}
}
// FileUploadStream 本地策略流式上传
func FileUploadStream(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// 非本地策略时拒绝上传
if user, ok := c.Get("user"); ok && user.(*model.User).Policy.Type != "local" {
c.JSON(200, serializer.Err(serializer.CodePolicyNotAllowed, "当前上传策略无法使用", nil))
return
}
// 取得文件大小
fileSize, err := strconv.ParseUint(c.Request.Header.Get("Content-Length"), 10, 64)
if err != nil {
c.JSON(200, ErrorResponse(err))
return
}
// 解码文件名和路径
fileName, err := url.QueryUnescape(c.Request.Header.Get("X-FileName"))
filePath, err := url.QueryUnescape(c.Request.Header.Get("X-Path"))
if err != nil {
c.JSON(200, ErrorResponse(err))
return
}
fileData := local.FileStream{
MIMEType: c.Request.Header.Get("Content-Type"),
File: c.Request.Body,
Size: fileSize,
Name: fileName,
VirtualPath: util.DotPathToStandardPath(filePath),
}
// 创建文件系统
fs, err := filesystem.NewFileSystemFromContext(c)
if err != nil {
c.JSON(200, serializer.Err(serializer.CodePolicyNotAllowed, err.Error(), err))
return
}
// 给文件系统分配钩子
fs.Use("BeforeUpload", filesystem.HookValidateFile)
fs.Use("BeforeUpload", filesystem.HookValidateCapacity)
fs.Use("AfterUploadCanceled", filesystem.HookDeleteTempFile)
fs.Use("AfterUploadCanceled", filesystem.HookGiveBackCapacity)
fs.Use("AfterUpload", filesystem.GenericAfterUpload)
fs.Use("AfterValidateFailed", filesystem.HookDeleteTempFile)
fs.Use("AfterValidateFailed", filesystem.HookGiveBackCapacity)
// 执行上传
uploadCtx := context.WithValue(ctx, filesystem.GinCtx, c)
err = fs.Upload(uploadCtx, fileData)
if err != nil {
c.JSON(200, serializer.Err(serializer.CodeUploadFailed, err.Error(), err))
return
}
c.JSON(200, serializer.Response{
Code: 0,
Msg: "Pong",
})
}