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mediaapi/writers/upload: Factor out doUpload from Upload

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This commit is contained in:
Robert Swain 2017-05-26 17:34:58 +02:00
parent d83359dd51
commit 9ecf620ad9
1 changed files with 67 additions and 59 deletions
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126
src/github.com/matrix-org/dendrite/mediaapi/writers/upload.go
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@ -17,6 +17,7 @@ package writers
import (
"database/sql"
"fmt"
"io"
"net/http"
"net/url"
"path"
@ -56,65 +57,7 @@ func Upload(req *http.Request, cfg *config.MediaAPI, db *storage.Database) util.
return *resErr
}
r.Logger.WithFields(log.Fields{
"Origin": r.MediaMetadata.Origin,
"UploadName": r.MediaMetadata.UploadName,
"FileSizeBytes": r.MediaMetadata.FileSizeBytes,
"Content-Type": r.MediaMetadata.ContentType,
}).Info("Uploading file")
// The file data is hashed and the hash is used as the MediaID. The hash is useful as a
// method of deduplicating files to save storage, as well as a way to conduct
// integrity checks on the file data in the repository.
hash, bytesWritten, tmpDir, copyError := fileutils.WriteTempFile(req.Body, cfg.MaxFileSizeBytes, cfg.AbsBasePath)
if copyError != nil {
logFields := log.Fields{
"Origin": r.MediaMetadata.Origin,
"MediaID": r.MediaMetadata.MediaID,
}
if copyError == fileutils.ErrFileIsTooLarge {
logFields["MaxFileSizeBytes"] = cfg.MaxFileSizeBytes
}
r.Logger.WithError(copyError).WithFields(logFields).Warn("Error while transferring file")
fileutils.RemoveDir(tmpDir, r.Logger)
return util.JSONResponse{
Code: 400,
JSON: jsonerror.Unknown(fmt.Sprintf("Failed to upload")),
}
}
r.MediaMetadata.FileSizeBytes = bytesWritten
r.MediaMetadata.Base64Hash = hash
r.MediaMetadata.MediaID = types.MediaID(hash)
r.Logger.WithFields(log.Fields{
"MediaID": r.MediaMetadata.MediaID,
"Origin": r.MediaMetadata.Origin,
"Base64Hash": r.MediaMetadata.Base64Hash,
"UploadName": r.MediaMetadata.UploadName,
"FileSizeBytes": r.MediaMetadata.FileSizeBytes,
"Content-Type": r.MediaMetadata.ContentType,
}).Info("File uploaded")
// check if we already have a record of the media in our database and if so, we can remove the temporary directory
mediaMetadata, err := db.GetMediaMetadata(r.MediaMetadata.MediaID, r.MediaMetadata.Origin)
if err == nil {
r.MediaMetadata = mediaMetadata
fileutils.RemoveDir(tmpDir, r.Logger)
return util.JSONResponse{
Code: 200,
JSON: uploadResponse{
ContentURI: fmt.Sprintf("mxc://%s/%s", cfg.ServerName, r.MediaMetadata.MediaID),
},
}
} else if err != sql.ErrNoRows {
r.Logger.WithError(err).WithField("MediaID", r.MediaMetadata.MediaID).Warn("Failed to query database")
}
// TODO: generate thumbnails
resErr = r.storeFileAndMetadata(tmpDir, cfg.AbsBasePath, db)
if resErr != nil {
if resErr = r.doUpload(req.Body, cfg, db); resErr != nil {
return *resErr
}
@ -154,6 +97,71 @@ func parseAndValidateRequest(req *http.Request, cfg *config.MediaAPI) (*uploadRe
return r, nil
}
func (r *uploadRequest) doUpload(reqReader io.Reader, cfg *config.MediaAPI, db *storage.Database) *util.JSONResponse {
r.Logger.WithFields(log.Fields{
"Origin": r.MediaMetadata.Origin,
"UploadName": r.MediaMetadata.UploadName,
"FileSizeBytes": r.MediaMetadata.FileSizeBytes,
"Content-Type": r.MediaMetadata.ContentType,
}).Info("Uploading file")
// The file data is hashed and the hash is used as the MediaID. The hash is useful as a
// method of deduplicating files to save storage, as well as a way to conduct
// integrity checks on the file data in the repository.
hash, bytesWritten, tmpDir, copyError := fileutils.WriteTempFile(reqReader, cfg.MaxFileSizeBytes, cfg.AbsBasePath)
if copyError != nil {
logFields := log.Fields{
"Origin": r.MediaMetadata.Origin,
"MediaID": r.MediaMetadata.MediaID,
}
if copyError == fileutils.ErrFileIsTooLarge {
logFields["MaxFileSizeBytes"] = cfg.MaxFileSizeBytes
}
r.Logger.WithError(copyError).WithFields(logFields).Warn("Error while transferring file")
fileutils.RemoveDir(tmpDir, r.Logger)
return &util.JSONResponse{
Code: 400,
JSON: jsonerror.Unknown(fmt.Sprintf("Failed to upload")),
}
}
r.MediaMetadata.FileSizeBytes = bytesWritten
r.MediaMetadata.Base64Hash = hash
r.MediaMetadata.MediaID = types.MediaID(hash)
r.Logger.WithFields(log.Fields{
"MediaID": r.MediaMetadata.MediaID,
"Origin": r.MediaMetadata.Origin,
"Base64Hash": r.MediaMetadata.Base64Hash,
"UploadName": r.MediaMetadata.UploadName,
"FileSizeBytes": r.MediaMetadata.FileSizeBytes,
"Content-Type": r.MediaMetadata.ContentType,
}).Info("File uploaded")
// check if we already have a record of the media in our database and if so, we can remove the temporary directory
mediaMetadata, err := db.GetMediaMetadata(r.MediaMetadata.MediaID, r.MediaMetadata.Origin)
if err == nil {
r.MediaMetadata = mediaMetadata
fileutils.RemoveDir(tmpDir, r.Logger)
return &util.JSONResponse{
Code: 200,
JSON: uploadResponse{
ContentURI: fmt.Sprintf("mxc://%s/%s", cfg.ServerName, r.MediaMetadata.MediaID),
},
}
} else if err != sql.ErrNoRows {
r.Logger.WithError(err).WithField("MediaID", r.MediaMetadata.MediaID).Warn("Failed to query database")
}
// TODO: generate thumbnails
if resErr := r.storeFileAndMetadata(tmpDir, cfg.AbsBasePath, db); resErr != nil {
return resErr
}
return nil
}
// Validate validates the uploadRequest fields
func (r *uploadRequest) Validate(maxFileSizeBytes types.FileSizeBytes) *util.JSONResponse {
if r.MediaMetadata.FileSizeBytes < 1 {