go-judge/cmd/executorserver/rest_executor/file_handler.go

108 lines
2.1 KiB
Go

package restexecutor
import (
"fmt"
"io"
"mime"
"net/http"
"os"
"path"
"github.com/criyle/go-judge/envexec"
"github.com/criyle/go-judge/filestore"
"github.com/gin-gonic/gin"
)
type fileHandle struct {
fs filestore.FileStore
}
func (f *fileHandle) fileGet(c *gin.Context) {
ids := f.fs.List()
c.JSON(http.StatusOK, ids)
}
func (f *fileHandle) filePost(c *gin.Context) {
fh, err := c.FormFile("file")
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
fi, err := fh.Open()
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
sf, err := f.fs.New()
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
defer sf.Close()
if _, err := sf.ReadFrom(fi); err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
id, err := f.fs.Add(fh.Filename, sf.Name())
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
c.JSON(http.StatusOK, id)
}
func (f *fileHandle) fileIDGet(c *gin.Context) {
type fileURI struct {
FileID string `uri:"fid"`
}
var uri fileURI
if err := c.ShouldBindUri(&uri); err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
name, file := f.fs.Get(uri.FileID)
if file == nil {
c.AbortWithStatus(http.StatusNotFound)
return
}
r, err := envexec.FileToReader(file)
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
if f, ok := r.(*os.File); ok {
defer f.Close()
}
content, err := io.ReadAll(r)
if err != nil {
c.AbortWithError(http.StatusInternalServerError, err)
return
}
typ := mime.TypeByExtension(path.Ext(name))
c.Header("Content-Disposition", fmt.Sprintf("attachment; filename=\"%s\"", name))
c.Data(http.StatusOK, typ, content)
}
func (f *fileHandle) fileIDDelete(c *gin.Context) {
type fileURI struct {
FileID string `uri:"fid"`
}
var uri fileURI
if err := c.ShouldBindUri(&uri); err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
ok := f.fs.Remove(uri.FileID)
if !ok {
c.AbortWithStatus(http.StatusNotFound)
return
}
c.Status(http.StatusOK)
}