131 lines
2.8 KiB
Go
131 lines
2.8 KiB
Go
package controller
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import (
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"errors"
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"git.lumeweb.com/LumeWeb/portal/cid"
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"git.lumeweb.com/LumeWeb/portal/controller/response"
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"git.lumeweb.com/LumeWeb/portal/logger"
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"git.lumeweb.com/LumeWeb/portal/middleware"
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"git.lumeweb.com/LumeWeb/portal/service/files"
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"github.com/kataras/iris/v12"
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"go.uber.org/zap"
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"io"
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)
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type FilesController struct {
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Controller
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}
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func (f *FilesController) BeginRequest(ctx iris.Context) {
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middleware.VerifyJwt(ctx)
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}
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func (f *FilesController) EndRequest(ctx iris.Context) {
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}
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func (f *FilesController) PostUpload() {
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ctx := f.Ctx
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file, meta, err := f.Ctx.FormFile("file")
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if internalErrorCustom(ctx, err, errors.New("invalid file data")) {
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logger.Get().Debug("invalid file data", zap.Error(err))
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return
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}
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upload, err := files.Upload(file, meta.Size, nil)
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if internalError(ctx, err) {
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logger.Get().Debug("failed uploading file", zap.Error(err))
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return
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}
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cidString, err := cid.EncodeString(upload.Hash, uint64(meta.Size))
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if internalError(ctx, err) {
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logger.Get().Debug("failed creating cid", zap.Error(err))
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return
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}
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err = ctx.JSON(&response.UploadResponse{Cid: cidString})
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if err != nil {
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logger.Get().Error("failed to create response", zap.Error(err))
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}
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}
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func (f *FilesController) GetDownloadBy(cidString string) {
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ctx := f.Ctx
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hashHex, valid := validateCid(cidString, true, ctx)
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if !valid {
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return
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}
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download, err := files.Download(hashHex)
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if internalError(ctx, err) {
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logger.Get().Debug("failed fetching file", zap.Error(err))
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return
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}
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err = ctx.StreamWriter(func(w io.Writer) error {
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_, err = io.Copy(w, download)
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_ = download.(io.Closer).Close()
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return err
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})
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if internalError(ctx, err) {
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logger.Get().Debug("failed streaming file", zap.Error(err))
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}
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}
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func (f *FilesController) GetStatusBy(cidString string) {
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ctx := f.Ctx
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hashHex, valid := validateCid(cidString, false, ctx)
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if !valid {
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return
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}
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status := files.Status(hashHex)
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var statusCode string
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switch status {
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case files.STATUS_UPLOADED:
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statusCode = "uploaded"
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break
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case files.STATUS_UPLOADING:
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statusCode = "uploading"
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break
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case files.STATUS_NOT_FOUND:
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statusCode = "uploading"
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break
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}
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f.respondJSON(&response.StatusResponse{Status: statusCode})
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}
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func validateCid(cidString string, validateStatus bool, ctx iris.Context) (string, bool) {
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_, err := cid.Valid(cidString)
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if sendError(ctx, err, iris.StatusBadRequest) {
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logger.Get().Debug("invalid cid", zap.Error(err))
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return "", false
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}
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cidObject, _ := cid.Decode(cidString)
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hashHex := cidObject.StringHash()
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if validateStatus {
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status := files.Status(hashHex)
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if status == files.STATUS_NOT_FOUND {
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err := errors.New("cid not found")
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sendError(ctx, errors.New("cid not found"), iris.StatusNotFound)
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logger.Get().Debug("cid not found", zap.Error(err))
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return "", false
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}
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}
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return hashHex, true
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}
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