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Add context to the mediaapi database (#250)

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This commit is contained in:
Mark Haines 2017-09-21 15:44:00 +01:00 committed by GitHub
parent a7773d3d3d
commit 7596c19f3a
8 changed files with 242 additions and 59 deletions
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16
src/github.com/matrix-org/dendrite/mediaapi/storage/media_repository_table.go
View file

@ -15,6 +15,7 @@
package storage
import (
"context"
"database/sql"
"time"
@ -74,9 +75,12 @@ func (s *mediaStatements) prepare(db *sql.DB) (err error) {
}.prepare(db)
}
func (s *mediaStatements) insertMedia(mediaMetadata *types.MediaMetadata) error {
func (s *mediaStatements) insertMedia(
ctx context.Context, mediaMetadata *types.MediaMetadata,
) error {
mediaMetadata.CreationTimestamp = types.UnixMs(time.Now().UnixNano() / 1000000)
_, err := s.insertMediaStmt.Exec(
_, err := s.insertMediaStmt.ExecContext(
ctx,
mediaMetadata.MediaID,
mediaMetadata.Origin,
mediaMetadata.ContentType,
@ -89,13 +93,15 @@ func (s *mediaStatements) insertMedia(mediaMetadata *types.MediaMetadata) error
return err
}
func (s *mediaStatements) selectMedia(mediaID types.MediaID, mediaOrigin gomatrixserverlib.ServerName) (*types.MediaMetadata, error) {
func (s *mediaStatements) selectMedia(
ctx context.Context, mediaID types.MediaID, mediaOrigin gomatrixserverlib.ServerName,
) (*types.MediaMetadata, error) {
mediaMetadata := types.MediaMetadata{
MediaID: mediaID,
Origin: mediaOrigin,
}
err := s.selectMediaStmt.QueryRow(
mediaMetadata.MediaID, mediaMetadata.Origin,
err := s.selectMediaStmt.QueryRowContext(
ctx, mediaMetadata.MediaID, mediaMetadata.Origin,
).Scan(
&mediaMetadata.ContentType,
&mediaMetadata.FileSizeBytes,

37
src/github.com/matrix-org/dendrite/mediaapi/storage/storage.go
View file

@ -15,6 +15,7 @@
package storage
import (
"context"
"database/sql"
// Import the postgres database driver.
@ -44,15 +45,19 @@ func Open(dataSourceName string) (*Database, error) {
// StoreMediaMetadata inserts the metadata about the uploaded media into the database.
// Returns an error if the combination of MediaID and Origin are not unique in the table.
func (d *Database) StoreMediaMetadata(mediaMetadata *types.MediaMetadata) error {
return d.statements.media.insertMedia(mediaMetadata)
func (d *Database) StoreMediaMetadata(
ctx context.Context, mediaMetadata *types.MediaMetadata,
) error {
return d.statements.media.insertMedia(ctx, mediaMetadata)
}
// GetMediaMetadata returns metadata about media stored on this server.
// The media could have been uploaded to this server or fetched from another server and cached here.
// Returns nil metadata if there is no metadata associated with this media.
func (d *Database) GetMediaMetadata(mediaID types.MediaID, mediaOrigin gomatrixserverlib.ServerName) (*types.MediaMetadata, error) {
mediaMetadata, err := d.statements.media.selectMedia(mediaID, mediaOrigin)
func (d *Database) GetMediaMetadata(
ctx context.Context, mediaID types.MediaID, mediaOrigin gomatrixserverlib.ServerName,
) (*types.MediaMetadata, error) {
mediaMetadata, err := d.statements.media.selectMedia(ctx, mediaID, mediaOrigin)
if err != nil && err == sql.ErrNoRows {
return nil, nil
}
@ -61,15 +66,25 @@ func (d *Database) GetMediaMetadata(mediaID types.MediaID, mediaOrigin gomatrixs
// StoreThumbnail inserts the metadata about the thumbnail into the database.
// Returns an error if the combination of MediaID and Origin are not unique in the table.
func (d *Database) StoreThumbnail(thumbnailMetadata *types.ThumbnailMetadata) error {
return d.statements.thumbnail.insertThumbnail(thumbnailMetadata)
func (d *Database) StoreThumbnail(
ctx context.Context, thumbnailMetadata *types.ThumbnailMetadata,
) error {
return d.statements.thumbnail.insertThumbnail(ctx, thumbnailMetadata)
}
// GetThumbnail returns metadata about a specific thumbnail.
// The media could have been uploaded to this server or fetched from another server and cached here.
// Returns nil metadata if there is no metadata associated with this thumbnail.
func (d *Database) GetThumbnail(mediaID types.MediaID, mediaOrigin gomatrixserverlib.ServerName, width, height int, resizeMethod string) (*types.ThumbnailMetadata, error) {
thumbnailMetadata, err := d.statements.thumbnail.selectThumbnail(mediaID, mediaOrigin, width, height, resizeMethod)
func (d *Database) GetThumbnail(
ctx context.Context,
mediaID types.MediaID,
mediaOrigin gomatrixserverlib.ServerName,
width, height int,
resizeMethod string,
) (*types.ThumbnailMetadata, error) {
thumbnailMetadata, err := d.statements.thumbnail.selectThumbnail(
ctx, mediaID, mediaOrigin, width, height, resizeMethod,
)
if err != nil && err == sql.ErrNoRows {
return nil, nil
}
@ -79,8 +94,10 @@ func (d *Database) GetThumbnail(mediaID types.MediaID, mediaOrigin gomatrixserve
// GetThumbnails returns metadata about all thumbnails for a specific media stored on this server.
// The media could have been uploaded to this server or fetched from another server and cached here.
// Returns nil metadata if there are no thumbnails associated with this media.
func (d *Database) GetThumbnails(mediaID types.MediaID, mediaOrigin gomatrixserverlib.ServerName) ([]*types.ThumbnailMetadata, error) {
thumbnails, err := d.statements.thumbnail.selectThumbnails(mediaID, mediaOrigin)
func (d *Database) GetThumbnails(
ctx context.Context, mediaID types.MediaID, mediaOrigin gomatrixserverlib.ServerName,
) ([]*types.ThumbnailMetadata, error) {
thumbnails, err := d.statements.thumbnail.selectThumbnails(ctx, mediaID, mediaOrigin)
if err != nil && err == sql.ErrNoRows {
return nil, nil
}

27
src/github.com/matrix-org/dendrite/mediaapi/storage/thumbnail_table.go
View file

@ -15,6 +15,7 @@
package storage
import (
"context"
"database/sql"
"time"
@ -82,9 +83,12 @@ func (s *thumbnailStatements) prepare(db *sql.DB) (err error) {
}.prepare(db)
}
func (s *thumbnailStatements) insertThumbnail(thumbnailMetadata *types.ThumbnailMetadata) error {
func (s *thumbnailStatements) insertThumbnail(
ctx context.Context, thumbnailMetadata *types.ThumbnailMetadata,
) error {
thumbnailMetadata.MediaMetadata.CreationTimestamp = types.UnixMs(time.Now().UnixNano() / 1000000)
_, err := s.insertThumbnailStmt.Exec(
_, err := s.insertThumbnailStmt.ExecContext(
ctx,
thumbnailMetadata.MediaMetadata.MediaID,
thumbnailMetadata.MediaMetadata.Origin,
thumbnailMetadata.MediaMetadata.ContentType,
@ -97,7 +101,13 @@ func (s *thumbnailStatements) insertThumbnail(thumbnailMetadata *types.Thumbnail
return err
}
func (s *thumbnailStatements) selectThumbnail(mediaID types.MediaID, mediaOrigin gomatrixserverlib.ServerName, width, height int, resizeMethod string) (*types.ThumbnailMetadata, error) {
func (s *thumbnailStatements) selectThumbnail(
ctx context.Context,
mediaID types.MediaID,
mediaOrigin gomatrixserverlib.ServerName,
width, height int,
resizeMethod string,
) (*types.ThumbnailMetadata, error) {
thumbnailMetadata := types.ThumbnailMetadata{
MediaMetadata: &types.MediaMetadata{
MediaID: mediaID,
@ -109,7 +119,8 @@ func (s *thumbnailStatements) selectThumbnail(mediaID types.MediaID, mediaOrigin
ResizeMethod: resizeMethod,
},
}
err := s.selectThumbnailStmt.QueryRow(
err := s.selectThumbnailStmt.QueryRowContext(
ctx,
thumbnailMetadata.MediaMetadata.MediaID,
thumbnailMetadata.MediaMetadata.Origin,
thumbnailMetadata.ThumbnailSize.Width,
@ -123,9 +134,11 @@ func (s *thumbnailStatements) selectThumbnail(mediaID types.MediaID, mediaOrigin
return &thumbnailMetadata, err
}
func (s *thumbnailStatements) selectThumbnails(mediaID types.MediaID, mediaOrigin gomatrixserverlib.ServerName) ([]*types.ThumbnailMetadata, error) {
rows, err := s.selectThumbnailsStmt.Query(
mediaID, mediaOrigin,
func (s *thumbnailStatements) selectThumbnails(
ctx context.Context, mediaID types.MediaID, mediaOrigin gomatrixserverlib.ServerName,
) ([]*types.ThumbnailMetadata, error) {
rows, err := s.selectThumbnailsStmt.QueryContext(
ctx, mediaID, mediaOrigin,
)
if err != nil {
return nil, err

15
src/github.com/matrix-org/dendrite/mediaapi/thumbnailer/thumbnailer.go
View file

@ -15,6 +15,7 @@
package thumbnailer
import (
"context"
"fmt"
"math"
"os"
@ -130,8 +131,18 @@ func broadcastGeneration(dst types.Path, activeThumbnailGeneration *types.Active
delete(activeThumbnailGeneration.PathToResult, string(dst))
}
func isThumbnailExists(dst types.Path, config types.ThumbnailSize, mediaMetadata *types.MediaMetadata, db *storage.Database, logger *log.Entry) (bool, error) {
thumbnailMetadata, err := db.GetThumbnail(mediaMetadata.MediaID, mediaMetadata.Origin, config.Width, config.Height, config.ResizeMethod)
func isThumbnailExists(
ctx context.Context,
dst types.Path,
config types.ThumbnailSize,
mediaMetadata *types.MediaMetadata,
db *storage.Database,
logger *log.Entry,
) (bool, error) {
thumbnailMetadata, err := db.GetThumbnail(
ctx, mediaMetadata.MediaID, mediaMetadata.Origin,
config.Width, config.Height, config.ResizeMethod,
)
if err != nil {
logger.Error("Failed to query database for thumbnail.")
return false, err

49
src/github.com/matrix-org/dendrite/mediaapi/thumbnailer/thumbnailer_bimg.go
View file

@ -17,6 +17,7 @@
package thumbnailer
import (
"context"
"os"
"time"
@ -28,7 +29,16 @@ import (
)
// GenerateThumbnails generates the configured thumbnail sizes for the source file
func GenerateThumbnails(src types.Path, configs []config.ThumbnailSize, mediaMetadata *types.MediaMetadata, activeThumbnailGeneration *types.ActiveThumbnailGeneration, maxThumbnailGenerators int, db *storage.Database, logger *log.Entry) (busy bool, errorReturn error) {
func GenerateThumbnails(
ctx context.Context,
src types.Path,
configs []config.ThumbnailSize,
mediaMetadata *types.MediaMetadata,
activeThumbnailGeneration *types.ActiveThumbnailGeneration,
maxThumbnailGenerators int,
db *storage.Database,
logger *log.Entry,
) (busy bool, errorReturn error) {
buffer, err := bimg.Read(string(src))
if err != nil {
logger.WithError(err).WithField("src", src).Error("Failed to read src file")
@ -37,7 +47,10 @@ func GenerateThumbnails(src types.Path, configs []config.ThumbnailSize, mediaMet
img := bimg.NewImage(buffer)
for _, config := range configs {
// Note: createThumbnail does locking based on activeThumbnailGeneration
busy, err = createThumbnail(src, img, config, mediaMetadata, activeThumbnailGeneration, maxThumbnailGenerators, db, logger)
busy, err = createThumbnail(
ctx, src, img, config, mediaMetadata, activeThumbnailGeneration,
maxThumbnailGenerators, db, logger,
)
if err != nil {
logger.WithError(err).WithField("src", src).Error("Failed to generate thumbnails")
return false, err
@ -50,7 +63,16 @@ func GenerateThumbnails(src types.Path, configs []config.ThumbnailSize, mediaMet
}
// GenerateThumbnail generates the configured thumbnail size for the source file
func GenerateThumbnail(src types.Path, config types.ThumbnailSize, mediaMetadata *types.MediaMetadata, activeThumbnailGeneration *types.ActiveThumbnailGeneration, maxThumbnailGenerators int, db *storage.Database, logger *log.Entry) (busy bool, errorReturn error) {
func GenerateThumbnail(
ctx context.Context,
src types.Path,
config types.ThumbnailSize,
mediaMetadata *types.MediaMetadata,
activeThumbnailGeneration *types.ActiveThumbnailGeneration,
maxThumbnailGenerators int,
db *storage.Database,
logger *log.Entry,
) (busy bool, errorReturn error) {
buffer, err := bimg.Read(string(src))
if err != nil {
logger.WithError(err).WithFields(log.Fields{
@ -60,7 +82,10 @@ func GenerateThumbnail(src types.Path, config types.ThumbnailSize, mediaMetadata
}
img := bimg.NewImage(buffer)
// Note: createThumbnail does locking based on activeThumbnailGeneration
busy, err = createThumbnail(src, img, config, mediaMetadata, activeThumbnailGeneration, maxThumbnailGenerators, db, logger)
busy, err = createThumbnail(
ctx, src, img, config, mediaMetadata, activeThumbnailGeneration,
maxThumbnailGenerators, db, logger,
)
if err != nil {
logger.WithError(err).WithFields(log.Fields{
"src": src,
@ -75,7 +100,17 @@ func GenerateThumbnail(src types.Path, config types.ThumbnailSize, mediaMetadata
// createThumbnail checks if the thumbnail exists, and if not, generates it
// Thumbnail generation is only done once for each non-existing thumbnail.
func createThumbnail(src types.Path, img *bimg.Image, config types.ThumbnailSize, mediaMetadata *types.MediaMetadata, activeThumbnailGeneration *types.ActiveThumbnailGeneration, maxThumbnailGenerators int, db *storage.Database, logger *log.Entry) (busy bool, errorReturn error) {
func createThumbnail(
ctx context.Context,
src types.Path,
img *bimg.Image,
config types.ThumbnailSize,
mediaMetadata *types.MediaMetadata,
activeThumbnailGeneration *types.ActiveThumbnailGeneration,
maxThumbnailGenerators int,
db *storage.Database,
logger *log.Entry,
) (busy bool, errorReturn error) {
logger = logger.WithFields(log.Fields{
"Width": config.Width,
"Height": config.Height,
@ -111,7 +146,7 @@ func createThumbnail(src types.Path, img *bimg.Image, config types.ThumbnailSize
}()
}
exists, err := isThumbnailExists(dst, config, mediaMetadata, db, logger)
exists, err := isThumbnailExists(ctx, dst, config, mediaMetadata, db, logger)
if err != nil || exists {
return false, err
}
@ -147,7 +182,7 @@ func createThumbnail(src types.Path, img *bimg.Image, config types.ThumbnailSize
},
}
err = db.StoreThumbnail(thumbnailMetadata)
err = db.StoreThumbnail(ctx, thumbnailMetadata)
if err != nil {
logger.WithError(err).WithFields(log.Fields{
"ActualWidth": width,

49
src/github.com/matrix-org/dendrite/mediaapi/thumbnailer/thumbnailer_nfnt.go
View file

@ -17,6 +17,7 @@
package thumbnailer
import (
"context"
"image"
"image/draw"
// Imported for gif codec
@ -35,7 +36,16 @@ import (
)
// GenerateThumbnails generates the configured thumbnail sizes for the source file
func GenerateThumbnails(src types.Path, configs []config.ThumbnailSize, mediaMetadata *types.MediaMetadata, activeThumbnailGeneration *types.ActiveThumbnailGeneration, maxThumbnailGenerators int, db *storage.Database, logger *log.Entry) (busy bool, errorReturn error) {
func GenerateThumbnails(
ctx context.Context,
src types.Path,
configs []config.ThumbnailSize,
mediaMetadata *types.MediaMetadata,
activeThumbnailGeneration *types.ActiveThumbnailGeneration,
maxThumbnailGenerators int,
db *storage.Database,
logger *log.Entry,
) (busy bool, errorReturn error) {
img, err := readFile(string(src))
if err != nil {
logger.WithError(err).WithField("src", src).Error("Failed to read src file")
@ -43,7 +53,10 @@ func GenerateThumbnails(src types.Path, configs []config.ThumbnailSize, mediaMet
}
for _, config := range configs {
// Note: createThumbnail does locking based on activeThumbnailGeneration
busy, err = createThumbnail(src, img, types.ThumbnailSize(config), mediaMetadata, activeThumbnailGeneration, maxThumbnailGenerators, db, logger)
busy, err = createThumbnail(
ctx, src, img, types.ThumbnailSize(config), mediaMetadata,
activeThumbnailGeneration, maxThumbnailGenerators, db, logger,
)
if err != nil {
logger.WithError(err).WithField("src", src).Error("Failed to generate thumbnails")
return false, err
@ -56,7 +69,16 @@ func GenerateThumbnails(src types.Path, configs []config.ThumbnailSize, mediaMet
}
// GenerateThumbnail generates the configured thumbnail size for the source file
func GenerateThumbnail(src types.Path, config types.ThumbnailSize, mediaMetadata *types.MediaMetadata, activeThumbnailGeneration *types.ActiveThumbnailGeneration, maxThumbnailGenerators int, db *storage.Database, logger *log.Entry) (busy bool, errorReturn error) {
func GenerateThumbnail(
ctx context.Context,
src types.Path,
config types.ThumbnailSize,
mediaMetadata *types.MediaMetadata,
activeThumbnailGeneration *types.ActiveThumbnailGeneration,
maxThumbnailGenerators int,
db *storage.Database,
logger *log.Entry,
) (busy bool, errorReturn error) {
img, err := readFile(string(src))
if err != nil {
logger.WithError(err).WithFields(log.Fields{
@ -65,7 +87,10 @@ func GenerateThumbnail(src types.Path, config types.ThumbnailSize, mediaMetadata
return false, err
}
// Note: createThumbnail does locking based on activeThumbnailGeneration
busy, err = createThumbnail(src, img, config, mediaMetadata, activeThumbnailGeneration, maxThumbnailGenerators, db, logger)
busy, err = createThumbnail(
ctx, src, img, config, mediaMetadata, activeThumbnailGeneration,
maxThumbnailGenerators, db, logger,
)
if err != nil {
logger.WithError(err).WithFields(log.Fields{
"src": src,
@ -107,7 +132,17 @@ func writeFile(img image.Image, dst string) (err error) {
// createThumbnail checks if the thumbnail exists, and if not, generates it
// Thumbnail generation is only done once for each non-existing thumbnail.
func createThumbnail(src types.Path, img image.Image, config types.ThumbnailSize, mediaMetadata *types.MediaMetadata, activeThumbnailGeneration *types.ActiveThumbnailGeneration, maxThumbnailGenerators int, db *storage.Database, logger *log.Entry) (busy bool, errorReturn error) {
func createThumbnail(
ctx context.Context,
src types.Path,
img image.Image,
config types.ThumbnailSize,
mediaMetadata *types.MediaMetadata,
activeThumbnailGeneration *types.ActiveThumbnailGeneration,
maxThumbnailGenerators int,
db *storage.Database,
logger *log.Entry,
) (busy bool, errorReturn error) {
logger = logger.WithFields(log.Fields{
"Width": config.Width,
"Height": config.Height,
@ -143,7 +178,7 @@ func createThumbnail(src types.Path, img image.Image, config types.ThumbnailSize
}()
}
exists, err := isThumbnailExists(dst, config, mediaMetadata, db, logger)
exists, err := isThumbnailExists(ctx, dst, config, mediaMetadata, db, logger)
if err != nil || exists {
return false, err
}
@ -179,7 +214,7 @@ func createThumbnail(src types.Path, img image.Image, config types.ThumbnailSize
},
}
err = db.StoreThumbnail(thumbnailMetadata)
err = db.StoreThumbnail(ctx, thumbnailMetadata)
if err != nil {
logger.WithError(err).WithFields(log.Fields{
"ActualWidth": width,

71
src/github.com/matrix-org/dendrite/mediaapi/writers/download.go
View file

@ -15,6 +15,7 @@
package writers
import (
"context"
"encoding/json"
"fmt"
"io"
@ -118,7 +119,9 @@ func Download(
return
}
metadata, err := dReq.doDownload(w, cfg, db, activeRemoteRequests, activeThumbnailGeneration)
metadata, err := dReq.doDownload(
req.Context(), w, cfg, db, activeRemoteRequests, activeThumbnailGeneration,
)
if err != nil {
// TODO: Handle the fact we might have started writing the response
dReq.jsonErrorResponse(w, util.ErrorResponse(err))
@ -192,6 +195,7 @@ func (r *downloadRequest) Validate() *util.JSONResponse {
}
func (r *downloadRequest) doDownload(
ctx context.Context,
w http.ResponseWriter,
cfg *config.Dendrite,
db *storage.Database,
@ -199,7 +203,9 @@ func (r *downloadRequest) doDownload(
activeThumbnailGeneration *types.ActiveThumbnailGeneration,
) (*types.MediaMetadata, error) {
// check if we have a record of the media in our database
mediaMetadata, err := db.GetMediaMetadata(r.MediaMetadata.MediaID, r.MediaMetadata.Origin)
mediaMetadata, err := db.GetMediaMetadata(
ctx, r.MediaMetadata.MediaID, r.MediaMetadata.Origin,
)
if err != nil {
return nil, errors.Wrap(err, "error querying the database")
}
@ -209,7 +215,9 @@ func (r *downloadRequest) doDownload(
return nil, nil
}
// If we do not have a record and the origin is remote, we need to fetch it and respond with that file
resErr := r.getRemoteFile(cfg, db, activeRemoteRequests, activeThumbnailGeneration)
resErr := r.getRemoteFile(
ctx, cfg, db, activeRemoteRequests, activeThumbnailGeneration,
)
if resErr != nil {
return nil, resErr
}
@ -217,12 +225,17 @@ func (r *downloadRequest) doDownload(
// If we have a record, we can respond from the local file
r.MediaMetadata = mediaMetadata
}
return r.respondFromLocalFile(w, cfg.Media.AbsBasePath, activeThumbnailGeneration, cfg.Media.MaxThumbnailGenerators, db, cfg.Media.DynamicThumbnails, cfg.Media.ThumbnailSizes)
return r.respondFromLocalFile(
ctx, w, cfg.Media.AbsBasePath, activeThumbnailGeneration,
cfg.Media.MaxThumbnailGenerators, db,
cfg.Media.DynamicThumbnails, cfg.Media.ThumbnailSizes,
)
}
// respondFromLocalFile reads a file from local storage and writes it to the http.ResponseWriter
// If no file was found then returns nil, nil
func (r *downloadRequest) respondFromLocalFile(
ctx context.Context,
w http.ResponseWriter,
absBasePath config.Path,
activeThumbnailGeneration *types.ActiveThumbnailGeneration,
@ -256,7 +269,10 @@ func (r *downloadRequest) respondFromLocalFile(
var responseFile *os.File
var responseMetadata *types.MediaMetadata
if r.IsThumbnailRequest {
thumbFile, thumbMetadata, resErr := r.getThumbnailFile(types.Path(filePath), activeThumbnailGeneration, maxThumbnailGenerators, db, dynamicThumbnails, thumbnailSizes)
thumbFile, thumbMetadata, resErr := r.getThumbnailFile(
ctx, types.Path(filePath), activeThumbnailGeneration, maxThumbnailGenerators,
db, dynamicThumbnails, thumbnailSizes,
)
if thumbFile != nil {
defer thumbFile.Close() // nolint: errcheck
}
@ -306,6 +322,7 @@ func (r *downloadRequest) respondFromLocalFile(
// Note: Thumbnail generation may be ongoing asynchronously.
// If no thumbnail was found then returns nil, nil, nil
func (r *downloadRequest) getThumbnailFile(
ctx context.Context,
filePath types.Path,
activeThumbnailGeneration *types.ActiveThumbnailGeneration,
maxThumbnailGenerators int,
@ -317,7 +334,10 @@ func (r *downloadRequest) getThumbnailFile(
var err error
if dynamicThumbnails {
thumbnail, err = r.generateThumbnail(filePath, r.ThumbnailSize, activeThumbnailGeneration, maxThumbnailGenerators, db)
thumbnail, err = r.generateThumbnail(
ctx, filePath, r.ThumbnailSize, activeThumbnailGeneration,
maxThumbnailGenerators, db,
)
if err != nil {
return nil, nil, err
}
@ -326,7 +346,9 @@ func (r *downloadRequest) getThumbnailFile(
// to trying to use a pre-generated thumbnail
if thumbnail == nil {
var thumbnails []*types.ThumbnailMetadata
thumbnails, err = db.GetThumbnails(r.MediaMetadata.MediaID, r.MediaMetadata.Origin)
thumbnails, err = db.GetThumbnails(
ctx, r.MediaMetadata.MediaID, r.MediaMetadata.Origin,
)
if err != nil {
return nil, nil, errors.Wrap(err, "error looking up thumbnails")
}
@ -343,7 +365,10 @@ func (r *downloadRequest) getThumbnailFile(
"Height": thumbnailSize.Height,
"ResizeMethod": thumbnailSize.ResizeMethod,
}).Info("Pre-generating thumbnail for immediate response.")
thumbnail, err = r.generateThumbnail(filePath, *thumbnailSize, activeThumbnailGeneration, maxThumbnailGenerators, db)
thumbnail, err = r.generateThumbnail(
ctx, filePath, *thumbnailSize, activeThumbnailGeneration,
maxThumbnailGenerators, db,
)
if err != nil {
return nil, nil, err
}
@ -378,6 +403,7 @@ func (r *downloadRequest) getThumbnailFile(
}
func (r *downloadRequest) generateThumbnail(
ctx context.Context,
filePath types.Path,
thumbnailSize types.ThumbnailSize,
activeThumbnailGeneration *types.ActiveThumbnailGeneration,
@ -389,7 +415,10 @@ func (r *downloadRequest) generateThumbnail(
"Height": thumbnailSize.Height,
"ResizeMethod": thumbnailSize.ResizeMethod,
})
busy, err := thumbnailer.GenerateThumbnail(filePath, thumbnailSize, r.MediaMetadata, activeThumbnailGeneration, maxThumbnailGenerators, db, r.Logger)
busy, err := thumbnailer.GenerateThumbnail(
ctx, filePath, thumbnailSize, r.MediaMetadata,
activeThumbnailGeneration, maxThumbnailGenerators, db, r.Logger,
)
if err != nil {
return nil, errors.Wrap(err, "error creating thumbnail")
}
@ -397,7 +426,10 @@ func (r *downloadRequest) generateThumbnail(
return nil, nil
}
var thumbnail *types.ThumbnailMetadata
thumbnail, err = db.GetThumbnail(r.MediaMetadata.MediaID, r.MediaMetadata.Origin, thumbnailSize.Width, thumbnailSize.Height, thumbnailSize.ResizeMethod)
thumbnail, err = db.GetThumbnail(
ctx, r.MediaMetadata.MediaID, r.MediaMetadata.Origin,
thumbnailSize.Width, thumbnailSize.Height, thumbnailSize.ResizeMethod,
)
if err != nil {
return nil, errors.Wrap(err, "error looking up thumbnail")
}
@ -409,6 +441,7 @@ func (r *downloadRequest) generateThumbnail(
// regardless of how many download requests are received.
// Note: The named errorResponse return variable is used in a deferred broadcast of the metadata and error response to waiting goroutines.
func (r *downloadRequest) getRemoteFile(
ctx context.Context,
cfg *config.Dendrite,
db *storage.Database,
activeRemoteRequests *types.ActiveRemoteRequests,
@ -434,14 +467,20 @@ func (r *downloadRequest) getRemoteFile(
}()
// check if we have a record of the media in our database
mediaMetadata, err := db.GetMediaMetadata(r.MediaMetadata.MediaID, r.MediaMetadata.Origin)
mediaMetadata, err := db.GetMediaMetadata(
ctx, r.MediaMetadata.MediaID, r.MediaMetadata.Origin,
)
if err != nil {
return errors.Wrap(err, "error querying the database.")
}
if mediaMetadata == nil {
// If we do not have a record, we need to fetch the remote file first and then respond from the local file
err := r.fetchRemoteFileAndStoreMetadata(cfg.Media.AbsBasePath, *cfg.Media.MaxFileSizeBytes, db, cfg.Media.ThumbnailSizes, activeThumbnailGeneration, cfg.Media.MaxThumbnailGenerators)
err := r.fetchRemoteFileAndStoreMetadata(
ctx, cfg.Media.AbsBasePath, *cfg.Media.MaxFileSizeBytes, db,
cfg.Media.ThumbnailSizes, activeThumbnailGeneration,
cfg.Media.MaxThumbnailGenerators,
)
if err != nil {
return errors.Wrap(err, "error querying the database.")
}
@ -501,6 +540,7 @@ func (r *downloadRequest) broadcastMediaMetadata(activeRemoteRequests *types.Act
// fetchRemoteFileAndStoreMetadata fetches the file from the remote server and stores its metadata in the database
func (r *downloadRequest) fetchRemoteFileAndStoreMetadata(
ctx context.Context,
absBasePath config.Path,
maxFileSizeBytes config.FileSizeBytes,
db *storage.Database,
@ -521,7 +561,7 @@ func (r *downloadRequest) fetchRemoteFileAndStoreMetadata(
}).Info("Storing file metadata to media repository database")
// FIXME: timeout db request
if err := db.StoreMediaMetadata(r.MediaMetadata); err != nil {
if err := db.StoreMediaMetadata(ctx, r.MediaMetadata); err != nil {
// If the file is a duplicate (has the same hash as an existing file) then
// there is valid metadata in the database for that file. As such we only
// remove the file if it is not a duplicate.
@ -535,7 +575,10 @@ func (r *downloadRequest) fetchRemoteFileAndStoreMetadata(
}
go func() {
busy, err := thumbnailer.GenerateThumbnails(finalPath, thumbnailSizes, r.MediaMetadata, activeThumbnailGeneration, maxThumbnailGenerators, db, r.Logger)
busy, err := thumbnailer.GenerateThumbnails(
context.Background(), finalPath, thumbnailSizes, r.MediaMetadata,
activeThumbnailGeneration, maxThumbnailGenerators, db, r.Logger,
)
if err != nil {
r.Logger.WithError(err).Warn("Error generating thumbnails")
}

37
src/github.com/matrix-org/dendrite/mediaapi/writers/upload.go
View file

@ -15,6 +15,7 @@
package writers
import (
"context"
"fmt"
"io"
"net/http"
@ -57,7 +58,7 @@ func Upload(req *http.Request, cfg *config.Dendrite, db *storage.Database, activ
return *resErr
}
if resErr = r.doUpload(req.Body, cfg, db, activeThumbnailGeneration); resErr != nil {
if resErr = r.doUpload(req.Context(), req.Body, cfg, db, activeThumbnailGeneration); resErr != nil {
return *resErr
}
@ -97,7 +98,13 @@ func parseAndValidateRequest(req *http.Request, cfg *config.Dendrite) (*uploadRe
return r, nil
}
func (r *uploadRequest) doUpload(reqReader io.Reader, cfg *config.Dendrite, db *storage.Database, activeThumbnailGeneration *types.ActiveThumbnailGeneration) *util.JSONResponse {
func (r *uploadRequest) doUpload(
ctx context.Context,
reqReader io.Reader,
cfg *config.Dendrite,
db *storage.Database,
activeThumbnailGeneration *types.ActiveThumbnailGeneration,
) *util.JSONResponse {
r.Logger.WithFields(log.Fields{
"UploadName": r.MediaMetadata.UploadName,
"FileSizeBytes": r.MediaMetadata.FileSizeBytes,
@ -134,7 +141,9 @@ func (r *uploadRequest) doUpload(reqReader io.Reader, cfg *config.Dendrite, db *
}).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)
mediaMetadata, err := db.GetMediaMetadata(
ctx, r.MediaMetadata.MediaID, r.MediaMetadata.Origin,
)
if err != nil {
r.Logger.WithError(err).Error("Error querying the database.")
resErr := jsonerror.InternalServerError()
@ -152,7 +161,10 @@ func (r *uploadRequest) doUpload(reqReader io.Reader, cfg *config.Dendrite, db *
}
}
if resErr := r.storeFileAndMetadata(tmpDir, cfg.Media.AbsBasePath, db, cfg.Media.ThumbnailSizes, activeThumbnailGeneration, cfg.Media.MaxThumbnailGenerators); resErr != nil {
if resErr := r.storeFileAndMetadata(
ctx, tmpDir, cfg.Media.AbsBasePath, db, cfg.Media.ThumbnailSizes,
activeThumbnailGeneration, cfg.Media.MaxThumbnailGenerators,
); resErr != nil {
return resErr
}
@ -208,7 +220,15 @@ func (r *uploadRequest) Validate(maxFileSizeBytes config.FileSizeBytes) *util.JS
// The order of operations is important as it avoids metadata entering the database before the file
// is ready, and if we fail to move the file, it never gets added to the database.
// Returns a util.JSONResponse error and cleans up directories in case of error.
func (r *uploadRequest) storeFileAndMetadata(tmpDir types.Path, absBasePath config.Path, db *storage.Database, thumbnailSizes []config.ThumbnailSize, activeThumbnailGeneration *types.ActiveThumbnailGeneration, maxThumbnailGenerators int) *util.JSONResponse {
func (r *uploadRequest) storeFileAndMetadata(
ctx context.Context,
tmpDir types.Path,
absBasePath config.Path,
db *storage.Database,
thumbnailSizes []config.ThumbnailSize,
activeThumbnailGeneration *types.ActiveThumbnailGeneration,
maxThumbnailGenerators int,
) *util.JSONResponse {
finalPath, duplicate, err := fileutils.MoveFileWithHashCheck(tmpDir, r.MediaMetadata, absBasePath, r.Logger)
if err != nil {
r.Logger.WithError(err).Error("Failed to move file.")
@ -221,7 +241,7 @@ func (r *uploadRequest) storeFileAndMetadata(tmpDir types.Path, absBasePath conf
r.Logger.WithField("dst", finalPath).Info("File was stored previously - discarding duplicate")
}
if err = db.StoreMediaMetadata(r.MediaMetadata); err != nil {
if err = db.StoreMediaMetadata(ctx, r.MediaMetadata); err != nil {
r.Logger.WithError(err).Warn("Failed to store metadata")
// If the file is a duplicate (has the same hash as an existing file) then
// there is valid metadata in the database for that file. As such we only
@ -236,7 +256,10 @@ func (r *uploadRequest) storeFileAndMetadata(tmpDir types.Path, absBasePath conf
}
go func() {
busy, err := thumbnailer.GenerateThumbnails(finalPath, thumbnailSizes, r.MediaMetadata, activeThumbnailGeneration, maxThumbnailGenerators, db, r.Logger)
busy, err := thumbnailer.GenerateThumbnails(
context.Background(), finalPath, thumbnailSizes, r.MediaMetadata,
activeThumbnailGeneration, maxThumbnailGenerators, db, r.Logger,
)
if err != nil {
r.Logger.WithError(err).Warn("Error generating thumbnails")
}