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Original file line number | Diff line number | Diff line change |
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package proxy | ||
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import ( | ||
"encoding/json" | ||
"errors" | ||
"math/rand" | ||
"net" | ||
"net/url" | ||
"regexp" | ||
"strconv" | ||
"strings" | ||
) | ||
|
||
var ( | ||
ErrorNotTrojanink = errors.New("not a correct trojan link") | ||
) | ||
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type Trojan struct { | ||
Base | ||
Password string `yaml:"password" json:"password"` | ||
ALPN []string `yaml:"alpn,omitempty" json:"alpn,omitempty"` | ||
SNI string `yaml:"sni,omitempty" json:"sni,omitempty"` | ||
SkipCertVerify bool `yaml:"skip-cert-verify,omitempty" json:"skip-cert-verify,omitempty"` | ||
UDP bool `yaml:"udp,omitempty" json:"udp,omitempty"` | ||
} | ||
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/** | ||
- name: "trojan" | ||
type: trojan | ||
server: server | ||
port: 443 | ||
password: yourpsk | ||
# udp: true | ||
# sni: example.com # aka server name | ||
# alpn: | ||
# - h2 | ||
# - http/1.1 | ||
# skip-cert-verify: true | ||
*/ | ||
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func (t Trojan) Identifier() string { | ||
return net.JoinHostPort(t.Server, strconv.Itoa(t.Port)) + t.Password | ||
} | ||
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func (t Trojan) String() string { | ||
data, err := json.Marshal(t) | ||
if err != nil { | ||
return "" | ||
} | ||
return string(data) | ||
} | ||
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func (t Trojan) ToClash() string { | ||
data, err := json.Marshal(t) | ||
if err != nil { | ||
return "" | ||
} | ||
return "- " + string(data) | ||
} | ||
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func (t Trojan) ToSurge() string { | ||
return "" | ||
} | ||
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func (t Trojan) Clone() Proxy { | ||
return &t | ||
} | ||
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func ParseTrojanLink(link string) (*Trojan, error) { | ||
if !strings.HasPrefix(link, "trojan://") || !strings.HasPrefix(link, "trojan-go://") { | ||
return nil, ErrorNotSSRLink | ||
} | ||
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/** | ||
trojan-go:// | ||
$(trojan-password) | ||
@ | ||
trojan-host | ||
: | ||
port | ||
/? | ||
sni=$(tls-sni.com)& | ||
type=$(original|ws|h2|h2+ws)& | ||
host=$(websocket-host.com)& | ||
path=$(/websocket/path)& | ||
encryption=$(ss;aes-256-gcm;ss-password)& | ||
plugin=$(...) | ||
#$(descriptive-text) | ||
*/ | ||
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uri, err := url.Parse(link) | ||
if err != nil { | ||
return nil, ErrorNotSSLink | ||
} | ||
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password := uri.User.Username() | ||
password, _ = url.QueryUnescape(password) | ||
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server := uri.Hostname() | ||
port, _ := strconv.Atoi(uri.Port()) | ||
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moreInfos := uri.Query() | ||
sni := moreInfos.Get("sni") | ||
sni, _ = url.QueryUnescape(sni) | ||
transformType := moreInfos.Get("type") | ||
transformType, _ = url.QueryUnescape(transformType) | ||
host := moreInfos.Get("host") | ||
host, _ = url.QueryUnescape(host) | ||
path := moreInfos.Get("path") | ||
path, _ = url.QueryUnescape(path) | ||
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alpn := make([]string, 0) | ||
if transformType == "h2" { | ||
alpn = append(alpn, "h2") | ||
} | ||
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if port == 0 { | ||
return nil, ErrorNotTrojanink | ||
} | ||
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return &Trojan{ | ||
Base: Base{ | ||
Name: strconv.Itoa(rand.Int()), | ||
Server: server, | ||
Port: port, | ||
Type: "trojan", | ||
}, | ||
Password: password, | ||
ALPN: alpn, | ||
UDP: true, | ||
SNI: host, | ||
SkipCertVerify: true, | ||
}, nil | ||
} | ||
|
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var ( | ||
trojanPlainRe = regexp.MustCompile("trojan(-go)?://([A-Za-z0-9+/_&?=@:%.-])+") | ||
) | ||
|
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func GrepTrojanLinkFromString(text string) []string { | ||
results := make([]string, 0) | ||
texts := strings.Split(text, "trojan://") | ||
for _, text := range texts { | ||
results = append(results, ssPlainRe.FindAllString("trojan://"+text, -1)...) | ||
} | ||
return results | ||
} |