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[bugfix] Wrap media in read closer (#941)

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* use readcloser for content.Content

* call media postdata function no matter what

* return a readcloser from data func

* tidy of logic of readertostore

* fix whoopsie
This commit is contained in:
tobi
2022-11-03 15:03:12 +01:00
committed by GitHub
parent bd05040133
commit 1dfa7fe0d5
15 changed files with 88 additions and 92 deletions
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4
internal/processing/account/update.go
View File

@ -192,7 +192,7 @@ func (p *processor) UpdateAvatar(ctx context.Context, avatar *multipart.FileHead
return nil, fmt.Errorf("UpdateAvatar: avatar with size %d exceeded max image size of %d bytes", avatar.Size, maxImageSize)
}
dataFunc := func(innerCtx context.Context) (io.Reader, int64, error) {
dataFunc := func(innerCtx context.Context) (io.ReadCloser, int64, error) {
f, err := avatar.Open()
return f, avatar.Size, err
}
@ -219,7 +219,7 @@ func (p *processor) UpdateHeader(ctx context.Context, header *multipart.FileHead
return nil, fmt.Errorf("UpdateHeader: header with size %d exceeded max image size of %d bytes", header.Size, maxImageSize)
}
dataFunc := func(innerCtx context.Context) (io.Reader, int64, error) {
dataFunc := func(innerCtx context.Context) (io.ReadCloser, int64, error) {
f, err := header.Open()
return f, header.Size, err
}

2
internal/processing/admin/createemoji.go
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@ -52,7 +52,7 @@ func (p *processor) EmojiCreate(ctx context.Context, account *gtsmodel.Account,
emojiURI := uris.GenerateURIForEmoji(emojiID)
data := func(innerCtx context.Context) (io.Reader, int64, error) {
data := func(innerCtx context.Context) (io.ReadCloser, int64, error) {
f, err := form.Image.Open()
return f, form.Image.Size, err
}

2
internal/processing/media/create.go
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@ -30,7 +30,7 @@ import (
)
func (p *processor) Create(ctx context.Context, account *gtsmodel.Account, form *apimodel.AttachmentRequest) (*apimodel.Attachment, gtserror.WithCode) {
data := func(innerCtx context.Context) (io.Reader, int64, error) {
data := func(innerCtx context.Context) (io.ReadCloser, int64, error) {
f, err := form.File.Open()
return f, form.File.Size, err
}

25
internal/processing/media/getfile.go
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@ -29,6 +29,7 @@ import (
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/media"
"github.com/superseriousbusiness/gotosocial/internal/uris"
)
@ -139,7 +140,7 @@ func (p *processor) getAttachmentContent(ctx context.Context, requestingAccount
// if it's the thumbnail that's requested then the user will have to wait a bit while we process the
// large version and derive a thumbnail from it, so use the normal recaching procedure: fetch the media,
// process it, then return the thumbnail data
data = func(innerCtx context.Context) (io.Reader, int64, error) {
data = func(innerCtx context.Context) (io.ReadCloser, int64, error) {
transport, err := p.transportController.NewTransportForUsername(innerCtx, requestingUsername)
if err != nil {
return nil, 0, err
@ -168,9 +169,9 @@ func (p *processor) getAttachmentContent(ctx context.Context, requestingAccount
bufferedReader := bufio.NewReaderSize(pipeReader, int(attachmentContent.ContentLength))
// the caller will read from the buffered reader, so it doesn't matter if they drop out without reading everything
attachmentContent.Content = bufferedReader
attachmentContent.Content = io.NopCloser(bufferedReader)
data = func(innerCtx context.Context) (io.Reader, int64, error) {
data = func(innerCtx context.Context) (io.ReadCloser, int64, error) {
transport, err := p.transportController.NewTransportForUsername(innerCtx, requestingUsername)
if err != nil {
return nil, 0, err
@ -195,17 +196,15 @@ func (p *processor) getAttachmentContent(ctx context.Context, requestingAccount
// close the pipewriter after data has been piped into it, so the reader on the other side doesn't block;
// we don't need to close the reader here because that's the caller's responsibility
postDataCallback = func(innerCtx context.Context) error {
// flush the buffered writer into the buffer of the reader...
if err := bufferedWriter.Flush(); err != nil {
return err
}
// close the underlying pipe writer when we're done with it
defer func() {
if err := pipeWriter.Close(); err != nil {
log.Errorf("getAttachmentContent: error closing pipeWriter: %s", err)
}
}()
// and close the underlying pipe writer
if err := pipeWriter.Close(); err != nil {
return err
}
return nil
// and flush the buffered writer into the buffer of the reader
return bufferedWriter.Flush()
}
}

14
internal/processing/media/getfile_test.go
View File

@ -91,10 +91,7 @@ func (suite *GetFileTestSuite) TestGetRemoteFileUncached() {
suite.NotNil(content)
b, err := io.ReadAll(content.Content)
suite.NoError(err)
if closer, ok := content.Content.(io.Closer); ok {
suite.NoError(closer.Close())
}
suite.NoError(content.Content.Close())
suite.Equal(suite.testRemoteAttachments[testAttachment.RemoteURL].Data, b)
suite.Equal(suite.testRemoteAttachments[testAttachment.RemoteURL].ContentType, content.ContentType)
@ -151,9 +148,7 @@ func (suite *GetFileTestSuite) TestGetRemoteFileUncachedInterrupted() {
suite.NoError(err)
// close the reader
if closer, ok := content.Content.(io.Closer); ok {
suite.NoError(closer.Close())
}
suite.NoError(content.Content.Close())
// the attachment should still be updated in the database even though the caller hung up
if !testrig.WaitFor(func() bool {
@ -201,10 +196,7 @@ func (suite *GetFileTestSuite) TestGetRemoteFileThumbnailUncached() {
suite.NotNil(content)
b, err := io.ReadAll(content.Content)
suite.NoError(err)
if closer, ok := content.Content.(io.Closer); ok {
suite.NoError(closer.Close())
}
suite.NoError(content.Content.Close())
suite.Equal(thumbnailBytes, b)
suite.Equal("image/jpeg", content.ContentType)