sftpgo-mirror/httpd/api_metadata.go
2021-12-16 18:18:36 +01:00

110 lines
2.4 KiB
Go

package httpd
import (
"fmt"
"net/http"
"sync"
"time"
"github.com/go-chi/render"
"github.com/drakkan/sftpgo/v2/dataprovider"
"github.com/drakkan/sftpgo/v2/logger"
"github.com/drakkan/sftpgo/v2/util"
)
var (
activeMetadataChecks metadataChecks
)
type metadataCheck struct {
// Username to which the metadata check refers
Username string `json:"username"`
// check start time as unix timestamp in milliseconds
StartTime int64 `json:"start_time"`
}
// metadataChecks holds the active metadata checks
type metadataChecks struct {
sync.RWMutex
checks []metadataCheck
}
func (c *metadataChecks) get() []metadataCheck {
c.RLock()
defer c.RUnlock()
checks := make([]metadataCheck, len(c.checks))
copy(checks, c.checks)
return checks
}
func (c *metadataChecks) add(username string) bool {
c.Lock()
defer c.Unlock()
for idx := range c.checks {
if c.checks[idx].Username == username {
return false
}
}
c.checks = append(c.checks, metadataCheck{
Username: username,
StartTime: util.GetTimeAsMsSinceEpoch(time.Now()),
})
return true
}
func (c *metadataChecks) remove(username string) bool {
c.Lock()
defer c.Unlock()
for idx := range c.checks {
if c.checks[idx].Username == username {
lastIdx := len(c.checks) - 1
c.checks[idx] = c.checks[lastIdx]
c.checks = c.checks[:lastIdx]
return true
}
}
return false
}
func getMetadataChecks(w http.ResponseWriter, r *http.Request) {
r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
render.JSON(w, r, activeMetadataChecks.get())
}
func startMetadataCheck(w http.ResponseWriter, r *http.Request) {
r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
user, err := dataprovider.UserExists(getURLParam(r, "username"))
if err != nil {
sendAPIResponse(w, r, err, "", getRespStatus(err))
return
}
if !activeMetadataChecks.add(user.Username) {
sendAPIResponse(w, r, err, fmt.Sprintf("Another check is already in progress for user %#v", user.Username),
http.StatusConflict)
return
}
go doMetadataCheck(user) //nolint:errcheck
sendAPIResponse(w, r, err, "Check started", http.StatusAccepted)
}
func doMetadataCheck(user dataprovider.User) error {
defer activeMetadataChecks.remove(user.Username)
err := user.CheckMetadataConsistency()
if err != nil {
logger.Warn(logSender, "", "error checking metadata for user %#v: %v", user.Username, err)
return err
}
logger.Debug(logSender, "", "metadata check completed for user: %#v", user.Username)
return nil
}