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mirror of https://github.com/nitezs/sub2clash.git synced 2024-12-23 21:54:42 -05:00
sub2clash/parser/shadowsocks.go
2024-04-23 14:39:16 +08:00

92 lines
2.1 KiB
Go

package parser
import (
"net/url"
"strings"
"sub2clash/constant"
"sub2clash/model"
)
func ParseShadowsocks(proxy string) (model.Proxy, error) {
if !strings.HasPrefix(proxy, constant.ShadowsocksPrefix) {
return model.Proxy{}, &ParseError{Type: ErrInvalidPrefix, Raw: proxy}
}
proxy = strings.TrimPrefix(proxy, constant.ShadowsocksPrefix)
urlParts := strings.SplitN(proxy, "@", 2)
if len(urlParts) != 2 {
return model.Proxy{}, &ParseError{
Type: ErrInvalidStruct,
Message: "missing character '@' in url",
Raw: proxy,
}
}
var serverAndPort []string
if !strings.Contains(urlParts[0], ":") {
decoded, err := DecodeBase64(urlParts[0])
if err != nil {
return model.Proxy{}, &ParseError{
Type: ErrInvalidStruct,
Message: "invalid base64 encoded",
Raw: proxy,
}
}
urlParts[0] = decoded
}
credentials := strings.SplitN(urlParts[0], ":", 2)
if len(credentials) != 2 {
return model.Proxy{}, &ParseError{
Type: ErrInvalidStruct,
Message: "missing server host or port",
Raw: proxy,
}
}
method, password := credentials[0], credentials[1]
serverInfo := strings.SplitN(urlParts[1], "#", 2)
serverAndPort = strings.SplitN(serverInfo[0], ":", 2)
server, portStr := serverAndPort[0], serverAndPort[1]
if len(serverInfo) != 2 {
return model.Proxy{}, &ParseError{
Type: ErrInvalidStruct,
Message: "missing server host or port",
Raw: proxy,
}
}
port, err := ParsePort(portStr)
if err != nil {
return model.Proxy{}, &ParseError{
Type: ErrInvalidPort,
Message: err.Error(),
Raw: proxy,
}
}
var remarks string
if len(serverInfo) == 2 {
unescape, err := url.QueryUnescape(serverInfo[1])
if err != nil {
return model.Proxy{}, &ParseError{
Type: ErrInvalidStruct,
Message: "cannot unescape remarks",
Raw: proxy,
}
}
remarks = strings.TrimSpace(unescape)
} else {
remarks = strings.TrimSpace(server + ":" + portStr)
}
result := model.Proxy{
Type: "ss",
Cipher: method,
Password: password,
Server: server,
Port: port,
Name: remarks,
}
return result, nil
}