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Fix bug where workspace era uploaded files won't load on team era codebase (#3907)

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* WIP

* Added comment for explaination

* Lint fix

* move file if found in channel directory

* lint fixes

Co-authored-by: Scott Bishel <scott.bishel@mattermost.com>
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
This commit is contained in:
Harshil Sharma 2022-10-06 01:46:03 +05:30 committed by GitHub
parent 9e861a62a6
commit 2c27d2626e
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 38 additions and 1 deletions
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21
server/api/files.go
View file

@ -2,12 +2,15 @@ package api
import (
"encoding/json"
"errors"
"io"
"net/http"
"path/filepath"
"strings"
"time"
"github.com/mattermost/focalboard/server/app"
"github.com/gorilla/mux"
"github.com/mattermost/focalboard/server/model"
"github.com/mattermost/focalboard/server/services/audit"
@ -144,10 +147,26 @@ func (a *API) handleServeFile(w http.ResponseWriter, r *http.Request) {
}
fileReader, err := a.app.GetFileReader(board.TeamID, boardID, filename)
if err != nil {
if err != nil && !errors.Is(err, app.ErrFileNotFound) {
a.errorResponse(w, r, err)
return
}
if errors.Is(err, app.ErrFileNotFound) && board.ChannelID != "" {
// prior to moving from workspaces to teams, the filepath was constructed from
// workspaceID, which is the channel ID in plugin mode.
// If a file is not found from team ID as we tried above, try looking for it via
// channel ID.
fileReader, err = a.app.GetFileReader(board.ChannelID, boardID, filename)
if err != nil {
a.errorResponse(w, r, err)
return
}
// move file to team location
// nothing to do if there is an error
_ = a.app.MoveFile(board.ChannelID, board.TeamID, boardID, filename)
}
defer fileReader.Close()
http.ServeContent(w, r, filename, time.Now(), fileReader)
auditRec.Success()

18
server/app/files.go
View file

@ -17,6 +17,7 @@ import (
const emptyString = "empty"
var errEmptyFilename = errors.New("IsFileArchived: empty filename not allowed")
var ErrFileNotFound = errors.New("file not found")
func (a *App) SaveFile(reader io.Reader, teamID, rootID, filename string) (string, error) {
// NOTE: File extension includes the dot
@ -111,6 +112,8 @@ func (a *App) GetFileReader(teamID, rootID, filename string) (filestore.ReadClos
)
}
}
} else if !exists {
return nil, ErrFileNotFound
}
reader, err := a.filesBackend.Reader(filePath)
@ -120,3 +123,18 @@ func (a *App) GetFileReader(teamID, rootID, filename string) (filestore.ReadClos
return reader, nil
}
func (a *App) MoveFile(channelID, teamID, boardID, filename string) error {
oldPath := filepath.Join(channelID, boardID, filename)
newPath := filepath.Join(teamID, boardID, filename)
err := a.filesBackend.MoveFile(oldPath, newPath)
if err != nil {
a.logger.Error("ERROR moving file",
mlog.String("old", oldPath),
mlog.String("new", newPath),
mlog.Err(err),
)
return err
}
return nil
}