Files
proton-bridge/pkg/pmapi/useragent.go
2020-09-08 08:43:05 +00:00

53 lines
1.5 KiB
Go

// Copyright (c) 2020 Proton Technologies AG
//
// This file is part of ProtonMail Bridge.
//
// ProtonMail Bridge is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ProtonMail Bridge is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>.
package pmapi
import (
"fmt"
"runtime"
"strings"
)
// removeBrackets handle unwanted brackets in client identification string and join with given joinBy parameter
// Mac OS X Mail/13.0 (3601.0.4) -> Mac OS X Mail/13.0-3601.0.4 (joinBy = "-")
func removeBrackets(s string, joinBy string) (r string) {
r = strings.ReplaceAll(s, " (", joinBy)
r = strings.ReplaceAll(r, "(", joinBy) // Should be faster than regex.
r = strings.ReplaceAll(r, ")", "")
return
}
func formatUserAgent(clientName, clientVersion, os string) string {
client := ""
if clientName != "" {
client = removeBrackets(clientName, "-")
if clientVersion != "" {
client += "/" + removeBrackets(clientVersion, "-")
}
}
if os == "" {
os = runtime.GOOS
}
os = removeBrackets(os, " ")
return fmt.Sprintf("%s (%s)", client, os)
}