86 lines
2.9 KiB
Go
86 lines
2.9 KiB
Go
package linknorm
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import (
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"fmt"
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"net/url"
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"strings"
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"vpnclient/internal/config"
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"vpnclient/internal/protocols/awg"
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"vpnclient/internal/protocols/hysteria2"
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"vpnclient/internal/protocols/naive"
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"vpnclient/internal/protocols/xray"
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)
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// LooksLikeSubscriptionURL reports whether raw is a plain http(s) URL without
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// userinfo — i.e. a subscription URL rather than a naive proxy share link
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// (which always carries user:pass@). Callers should route such input into the
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// subscription import flow instead of the proxy-URI parser.
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func LooksLikeSubscriptionURL(raw string) bool {
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raw = strings.TrimSpace(raw)
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lower := strings.ToLower(raw)
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if !strings.HasPrefix(lower, "http://") && !strings.HasPrefix(lower, "https://") {
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return false
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}
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u, err := url.Parse(raw)
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if err != nil || u.Host == "" {
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return false
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}
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return u.User == nil
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}
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// Normalize normalizes a share/proxy URI for the given protocol (or auto-detect).
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func Normalize(proto config.Protocol, raw string) (normalized string, detected config.Protocol, remark string, err error) {
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raw = strings.TrimSpace(raw)
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if raw == "" {
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return "", proto, "", fmt.Errorf("пустая ссылка")
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}
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if proto == "" {
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proto = config.DetectProtocol(raw)
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}
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switch proto {
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case config.ProtocolHysteria2:
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u, rem, err := hysteria2.NormalizeShareLink(raw)
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return u, config.ProtocolHysteria2, rem, err
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case config.ProtocolAWG:
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u, rem, err := awg.NormalizeShareLink(raw)
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return u, config.ProtocolAWG, rem, err
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case config.ProtocolVLESS, config.ProtocolVMess, config.ProtocolTrojan:
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u, rem, err := xray.NormalizeShareLink(raw)
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if err != nil {
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return "", proto, "", err
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}
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detected = xray.DetectProtocol(u)
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if detected == "" {
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detected = proto
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}
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return u, detected, rem, nil
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case config.ProtocolNaive, "":
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if awg.Detect(raw) {
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u, rem, err := awg.NormalizeShareLink(raw)
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return u, config.ProtocolAWG, rem, err
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}
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// Safety net: a bare http(s) URL without user:pass@ is a subscription
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// URL, not a naive proxy link — callers should have routed it to the
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// subscription import flow (see LooksLikeSubscriptionURL).
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if LooksLikeSubscriptionURL(raw) {
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return "", config.ProtocolNaive, "", fmt.Errorf("это URL-ссылка конфигурации (нет логина и пароля) — вставьте её в поле «Добавить конфигурацию» или сохраните ещё раз: импорт запустится автоматически")
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}
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if xray.Detect(raw) {
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u, rem, err := xray.NormalizeShareLink(raw)
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return u, xray.DetectProtocol(raw), rem, err
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}
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u, rem, err := naive.ParseShareLink(raw)
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if err != nil {
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if hysteria2.Detect(raw) {
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u2, rem2, err2 := hysteria2.NormalizeShareLink(raw)
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return u2, config.ProtocolHysteria2, rem2, err2
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}
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return "", config.ProtocolNaive, "", err
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}
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return u, config.ProtocolNaive, rem, nil
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default:
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return "", proto, "", fmt.Errorf("unsupported protocol %q", proto)
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}
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}
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