/
api_quota.go
194 lines (181 loc) · 6.21 KB
/
api_quota.go
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package httpd
import (
"errors"
"net/http"
"github.com/go-chi/render"
"github.com/drakkan/sftpgo/common"
"github.com/drakkan/sftpgo/dataprovider"
"github.com/drakkan/sftpgo/logger"
"github.com/drakkan/sftpgo/vfs"
)
const (
quotaUpdateModeAdd = "add"
quotaUpdateModeReset = "reset"
)
func getQuotaScans(w http.ResponseWriter, r *http.Request) {
render.JSON(w, r, common.QuotaScans.GetUsersQuotaScans())
}
func getVFolderQuotaScans(w http.ResponseWriter, r *http.Request) {
render.JSON(w, r, common.QuotaScans.GetVFoldersQuotaScans())
}
func updateUserQuotaUsage(w http.ResponseWriter, r *http.Request) {
r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
var u dataprovider.User
err := render.DecodeJSON(r.Body, &u)
if err != nil {
sendAPIResponse(w, r, err, "", http.StatusBadRequest)
return
}
if u.UsedQuotaFiles < 0 || u.UsedQuotaSize < 0 {
sendAPIResponse(w, r, errors.New("Invalid used quota parameters, negative values are not allowed"),
"", http.StatusBadRequest)
return
}
mode, err := getQuotaUpdateMode(r)
if err != nil {
sendAPIResponse(w, r, err, "", http.StatusBadRequest)
return
}
user, err := dataprovider.UserExists(u.Username)
if err != nil {
sendAPIResponse(w, r, err, "", getRespStatus(err))
return
}
if mode == quotaUpdateModeAdd && !user.HasQuotaRestrictions() && dataprovider.GetQuotaTracking() == 2 {
sendAPIResponse(w, r, errors.New("this user has no quota restrictions, only reset mode is supported"),
"", http.StatusBadRequest)
return
}
if !common.QuotaScans.AddUserQuotaScan(user.Username) {
sendAPIResponse(w, r, err, "A quota scan is in progress for this user", http.StatusConflict)
return
}
defer common.QuotaScans.RemoveUserQuotaScan(user.Username)
err = dataprovider.UpdateUserQuota(user, u.UsedQuotaFiles, u.UsedQuotaSize, mode == quotaUpdateModeReset)
if err != nil {
sendAPIResponse(w, r, err, "", getRespStatus(err))
} else {
sendAPIResponse(w, r, err, "Quota updated", http.StatusOK)
}
}
func updateVFolderQuotaUsage(w http.ResponseWriter, r *http.Request) {
r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
var f vfs.BaseVirtualFolder
err := render.DecodeJSON(r.Body, &f)
if err != nil {
sendAPIResponse(w, r, err, "", http.StatusBadRequest)
return
}
if f.UsedQuotaFiles < 0 || f.UsedQuotaSize < 0 {
sendAPIResponse(w, r, errors.New("Invalid used quota parameters, negative values are not allowed"),
"", http.StatusBadRequest)
return
}
mode, err := getQuotaUpdateMode(r)
if err != nil {
sendAPIResponse(w, r, err, "", http.StatusBadRequest)
return
}
folder, err := dataprovider.GetFolderByPath(f.MappedPath)
if err != nil {
sendAPIResponse(w, r, err, "", getRespStatus(err))
return
}
if !common.QuotaScans.AddVFolderQuotaScan(folder.MappedPath) {
sendAPIResponse(w, r, err, "A quota scan is in progress for this folder", http.StatusConflict)
return
}
defer common.QuotaScans.RemoveVFolderQuotaScan(folder.MappedPath)
err = dataprovider.UpdateVirtualFolderQuota(folder, f.UsedQuotaFiles, f.UsedQuotaSize, mode == quotaUpdateModeReset)
if err != nil {
sendAPIResponse(w, r, err, "", getRespStatus(err))
} else {
sendAPIResponse(w, r, err, "Quota updated", http.StatusOK)
}
}
func startQuotaScan(w http.ResponseWriter, r *http.Request) {
r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
if dataprovider.GetQuotaTracking() == 0 {
sendAPIResponse(w, r, nil, "Quota tracking is disabled!", http.StatusForbidden)
return
}
var u dataprovider.User
err := render.DecodeJSON(r.Body, &u)
if err != nil {
sendAPIResponse(w, r, err, "", http.StatusBadRequest)
return
}
user, err := dataprovider.UserExists(u.Username)
if err != nil {
sendAPIResponse(w, r, err, "", getRespStatus(err))
return
}
if common.QuotaScans.AddUserQuotaScan(user.Username) {
go doQuotaScan(user) //nolint:errcheck
sendAPIResponse(w, r, err, "Scan started", http.StatusAccepted)
} else {
sendAPIResponse(w, r, err, "Another scan is already in progress", http.StatusConflict)
}
}
func startVFolderQuotaScan(w http.ResponseWriter, r *http.Request) {
r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
if dataprovider.GetQuotaTracking() == 0 {
sendAPIResponse(w, r, nil, "Quota tracking is disabled!", http.StatusForbidden)
return
}
var f vfs.BaseVirtualFolder
err := render.DecodeJSON(r.Body, &f)
if err != nil {
sendAPIResponse(w, r, err, "", http.StatusBadRequest)
return
}
folder, err := dataprovider.GetFolderByPath(f.MappedPath)
if err != nil {
sendAPIResponse(w, r, err, "", getRespStatus(err))
return
}
if common.QuotaScans.AddVFolderQuotaScan(folder.MappedPath) {
go doFolderQuotaScan(folder) //nolint:errcheck
sendAPIResponse(w, r, err, "Scan started", http.StatusAccepted)
} else {
sendAPIResponse(w, r, err, "Another scan is already in progress", http.StatusConflict)
}
}
func doQuotaScan(user dataprovider.User) error {
defer common.QuotaScans.RemoveUserQuotaScan(user.Username)
fs, err := user.GetFilesystem("")
if err != nil {
logger.Warn(logSender, "", "unable scan quota for user %#v error creating filesystem: %v", user.Username, err)
return err
}
numFiles, size, err := fs.ScanRootDirContents()
if err != nil {
logger.Warn(logSender, "", "error scanning user home dir %#v: %v", user.Username, err)
return err
}
err = dataprovider.UpdateUserQuota(user, numFiles, size, true)
logger.Debug(logSender, "", "user home dir scanned, user: %#v, error: %v", user.Username, err)
return err
}
func doFolderQuotaScan(folder vfs.BaseVirtualFolder) error {
defer common.QuotaScans.RemoveVFolderQuotaScan(folder.MappedPath)
fs := vfs.NewOsFs("", "", nil).(*vfs.OsFs)
numFiles, size, err := fs.GetDirSize(folder.MappedPath)
if err != nil {
logger.Warn(logSender, "", "error scanning folder %#v: %v", folder.MappedPath, err)
return err
}
err = dataprovider.UpdateVirtualFolderQuota(folder, numFiles, size, true)
logger.Debug(logSender, "", "virtual folder %#v scanned, error: %v", folder.MappedPath, err)
return err
}
func getQuotaUpdateMode(r *http.Request) (string, error) {
mode := quotaUpdateModeReset
if _, ok := r.URL.Query()["mode"]; ok {
mode = r.URL.Query().Get("mode")
if mode != quotaUpdateModeReset && mode != quotaUpdateModeAdd {
return "", errors.New("Invalid mode")
}
}
return mode, nil
}