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Open-IM-Server/internal/rpc/third/tool.go

64 lines
1.6 KiB

package third
import (
"context"
"errors"
"fmt"
"github.com/OpenIMSDK/Open-IM-Server/pkg/common/mcontext"
"github.com/OpenIMSDK/Open-IM-Server/pkg/common/tokenverify"
"github.com/OpenIMSDK/Open-IM-Server/pkg/errs"
"github.com/OpenIMSDK/Open-IM-Server/pkg/proto/third"
"strings"
"unicode/utf8"
)
func toPbMapArray(m map[string][]string) []*third.KeyValues {
res := make([]*third.KeyValues, 0, len(m))
for key := range m {
res = append(res, &third.KeyValues{
Key: key,
Values: m[key],
})
}
return res
}
func checkUploadName(ctx context.Context, name string) error {
if name == "" {
return errs.ErrArgs.Wrap("name is empty")
}
if name[0] == '/' {
return errs.ErrArgs.Wrap("name cannot start with `/`")
}
if err := checkValidObjectName(name); err != nil {
return errs.ErrArgs.Wrap(err.Error())
}
opUserID := mcontext.GetOpUserID(ctx)
if opUserID == "" {
return errs.ErrNoPermission.Wrap("opUserID is empty")
}
if !tokenverify.IsManagerUserID(opUserID) {
if !strings.HasPrefix(name, opUserID+"/") {
return errs.ErrNoPermission.Wrap(fmt.Sprintf("name must start with `%s/`", opUserID))
}
}
return nil
}
func checkValidObjectNamePrefix(objectName string) error {
if len(objectName) > 1024 {
return errors.New("object name cannot be longer than 1024 characters")
}
if !utf8.ValidString(objectName) {
return errors.New("object name with non UTF-8 strings are not supported")
}
return nil
}
func checkValidObjectName(objectName string) error {
if strings.TrimSpace(objectName) == "" {
return errors.New("object name cannot be empty")
}
return checkValidObjectNamePrefix(objectName)
}