142 lines
3.5 KiB
Go
142 lines
3.5 KiB
Go
package s5
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import (
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"bytes"
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"errors"
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"git.lumeweb.com/LumeWeb/libs5-go/encoding"
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s5interface "git.lumeweb.com/LumeWeb/libs5-go/interfaces"
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"git.lumeweb.com/LumeWeb/libs5-go/types"
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"git.lumeweb.com/LumeWeb/portal/interfaces"
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"go.sia.tech/jape"
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"go.uber.org/zap"
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"io"
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"mime/multipart"
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"net/http"
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"strings"
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)
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var (
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_ s5interface.HTTPHandler = (*HttpHandlerImpl)(nil)
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)
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const (
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errMultiformParse = "Error parsing multipart form"
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errRetrievingFile = "Error retrieving the file"
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errReadFile = "Error reading the file"
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errClosingStream = "Error closing the stream"
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errUploadingFile = "Error uploading the file"
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)
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var (
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errUploadingFileErr = errors.New(errUploadingFile)
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)
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type HttpHandlerImpl struct {
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portal interfaces.Portal
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}
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func NewHttpHandler(portal interfaces.Portal) *HttpHandlerImpl {
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return &HttpHandlerImpl{portal: portal}
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}
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func (h *HttpHandlerImpl) SmallFileUpload(jc *jape.Context) {
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var rs io.ReadSeeker
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var bufferSize int64
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r := jc.Request
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contentType := r.Header.Get("Content-Type")
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if strings.HasPrefix(contentType, "multipart/form-data") {
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// Parse the multipart form
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err := r.ParseMultipartForm(h.portal.Config().GetInt64("core.post-upload-limit"))
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if jc.Check(errMultiformParse, err) != nil {
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h.portal.Logger().Error(errMultiformParse, zap.Error(err))
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return
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}
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// Retrieve the file from the form data
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file, _, err := r.FormFile("file")
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if jc.Check(errRetrievingFile, err) != nil {
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h.portal.Logger().Error(errRetrievingFile, zap.Error(err))
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return
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}
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defer func(file multipart.File) {
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err := file.Close()
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if err != nil {
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h.portal.Logger().Error(errClosingStream, zap.Error(err))
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}
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}(file)
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rs = file
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} else {
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data, err := io.ReadAll(r.Body)
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if jc.Check(errReadFile, err) != nil {
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h.portal.Logger().Error(errReadFile, zap.Error(err))
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return
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}
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buffer := bytes.NewReader(data)
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bufferSize = int64(buffer.Len())
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rs = buffer
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defer func(Body io.ReadCloser) {
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err := Body.Close()
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if err != nil {
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h.portal.Logger().Error(errClosingStream, zap.Error(err))
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}
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}(r.Body)
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}
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hash, err := h.portal.Storage().GetHash(rs)
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if err != nil {
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_ = jc.Error(errUploadingFileErr, http.StatusInternalServerError)
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h.portal.Logger().Error(errUploadingFile, zap.Error(err))
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return
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}
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if exists, upload := h.portal.Storage().FileExists(hash); exists {
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cid, err := encoding.CIDFromHash(hash, upload.Size, types.CIDTypeRaw)
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if err != nil {
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_ = jc.Error(errUploadingFileErr, http.StatusInternalServerError)
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h.portal.Logger().Error(errUploadingFile, zap.Error(err))
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return
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}
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cidStr, err := cid.ToString()
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if err != nil {
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_ = jc.Error(errUploadingFileErr, http.StatusInternalServerError)
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h.portal.Logger().Error(errUploadingFile, zap.Error(err))
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return
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}
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jc.Encode(map[string]string{"hash": cidStr})
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return
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}
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hash, err = h.portal.Storage().PutFile(rs, "s5", false)
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if err != nil {
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_ = jc.Error(errUploadingFileErr, http.StatusInternalServerError)
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h.portal.Logger().Error(errUploadingFile, zap.Error(err))
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return
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}
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cid, err := encoding.CIDFromHash(hash, uint64(bufferSize), types.CIDTypeRaw)
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if err != nil {
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_ = jc.Error(errUploadingFileErr, http.StatusInternalServerError)
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h.portal.Logger().Error(errUploadingFile, zap.Error(err))
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return
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}
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cidStr, err := cid.ToString()
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if err != nil {
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_ = jc.Error(errUploadingFileErr, http.StatusInternalServerError)
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h.portal.Logger().Error(errUploadingFile, zap.Error(err))
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return
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}
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jc.Encode(map[string]string{"hash": cidStr})
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}
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