mirror of
https://github.com/nitezs/sub2clash.git
synced 2024-12-24 10:54:43 -05:00
182 lines
5.0 KiB
Go
182 lines
5.0 KiB
Go
package controller
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import (
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"crypto/sha256"
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"encoding/hex"
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"errors"
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"go.uber.org/zap"
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"gopkg.in/yaml.v3"
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"net/url"
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"regexp"
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"sort"
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"strings"
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"sub2clash/logger"
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"sub2clash/model"
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"sub2clash/parser"
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"sub2clash/utils"
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"sub2clash/validator"
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)
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func BuildSub(clashType model.ClashType, query validator.SubValidator, template string) (
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*model.Subscription, error,
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) {
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// 定义变量
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var temp = &model.Subscription{}
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var sub = &model.Subscription{}
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var err error
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var templateBytes []byte
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// 加载模板
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if query.Template != "" {
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template = query.Template
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}
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_, err = url.ParseRequestURI(template)
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if err != nil {
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templateBytes, err = utils.LoadTemplate(template)
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if err != nil {
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logger.Logger.Debug(
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"load template failed", zap.String("template", template), zap.Error(err),
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)
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return nil, errors.New("加载模板失败: " + err.Error())
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}
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} else {
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templateBytes, err = utils.LoadSubscription(template, query.Refresh)
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if err != nil {
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logger.Logger.Debug(
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"load template failed", zap.String("template", template), zap.Error(err),
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)
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return nil, errors.New("加载模板失败: " + err.Error())
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}
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}
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// 解析模板
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err = yaml.Unmarshal(templateBytes, &temp)
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if err != nil {
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logger.Logger.Debug("parse template failed", zap.Error(err))
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return nil, errors.New("解析模板失败: " + err.Error())
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}
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var proxyList []model.Proxy
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// 加载订阅
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for i := range query.Subs {
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data, err := utils.LoadSubscription(query.Subs[i], query.Refresh)
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if err != nil {
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logger.Logger.Debug(
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"load subscription failed", zap.String("url", query.Subs[i]), zap.Error(err),
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)
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return nil, errors.New("加载订阅失败: " + err.Error())
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}
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// 解析订阅
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err = yaml.Unmarshal(data, &sub)
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if err != nil {
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reg, _ := regexp.Compile("(ssr|ss|vmess|trojan|http|https)://")
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if reg.Match(data) {
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p := utils.ParseProxy(strings.Split(string(data), "\n")...)
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proxyList = append(proxyList, p...)
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} else {
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// 如果无法直接解析,尝试Base64解码
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base64, err := parser.DecodeBase64(string(data))
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if err != nil {
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logger.Logger.Debug(
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"parse subscription failed", zap.String("url", query.Subs[i]),
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zap.String("data", string(data)),
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zap.Error(err),
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)
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return nil, errors.New("加载订阅失败: " + err.Error())
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}
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p := utils.ParseProxy(strings.Split(base64, "\n")...)
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proxyList = append(proxyList, p...)
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}
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} else {
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proxyList = append(proxyList, sub.Proxies...)
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}
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}
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// 将新增节点都添加到临时变量 t 中,防止策略组排序错乱
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var t = &model.Subscription{}
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utils.AddProxy(t, query.AutoTest, query.Lazy, clashType, proxyList...)
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// 处理自定义代理
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utils.AddProxy(
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t, query.AutoTest, query.Lazy, clashType,
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utils.ParseProxy(query.Proxies...)...,
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)
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// 排序策略组
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switch query.Sort {
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case "sizeasc":
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sort.Sort(model.ProxyGroupsSortBySize(t.ProxyGroups))
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case "sizedesc":
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sort.Sort(sort.Reverse(model.ProxyGroupsSortBySize(t.ProxyGroups)))
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case "nameasc":
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sort.Sort(model.ProxyGroupsSortByName(t.ProxyGroups))
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case "namedesc":
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sort.Sort(sort.Reverse(model.ProxyGroupsSortByName(t.ProxyGroups)))
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default:
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sort.Sort(model.ProxyGroupsSortByName(t.ProxyGroups))
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}
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// 合并新节点和模板
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MergeSubAndTemplate(temp, t)
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// 处理自定义规则
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for _, v := range query.Rules {
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if v.Prepend {
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utils.PrependRules(temp, v.Rule)
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} else {
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utils.AppendRules(temp, v.Rule)
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}
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}
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// 处理自定义 ruleProvider
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for _, v := range query.RuleProviders {
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hash := sha256.Sum224([]byte(v.Url))
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name := hex.EncodeToString(hash[:])
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provider := model.RuleProvider{
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Type: "http",
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Behavior: v.Behavior,
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Url: v.Url,
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Path: "./" + name + ".yaml",
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Interval: 3600,
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}
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if v.Prepend {
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utils.PrependRuleProvider(
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temp, v.Name, v.Group, provider,
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)
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} else {
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utils.AppenddRuleProvider(
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temp, v.Name, v.Group, provider,
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)
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}
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}
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return temp, nil
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}
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func MergeSubAndTemplate(temp *model.Subscription, sub *model.Subscription) {
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// 只合并节点、策略组
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// 统计所有国家策略组名称
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var countryGroupNames []string
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for _, proxyGroup := range sub.ProxyGroups {
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if proxyGroup.IsCountryGrop {
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countryGroupNames = append(
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countryGroupNames, proxyGroup.Name,
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)
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}
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}
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// 将订阅中的节点添加到模板中
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temp.Proxies = append(temp.Proxies, sub.Proxies...)
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// 将订阅中的策略组添加到模板中
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skipGroups := []string{"全球直连", "广告拦截", "手动切换"}
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for i := range temp.ProxyGroups {
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skip := false
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for _, v := range skipGroups {
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if strings.Contains(temp.ProxyGroups[i].Name, v) {
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if v == "手动切换" {
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proxies := make([]string, 0, len(sub.Proxies))
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for _, p := range sub.Proxies {
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proxies = append(proxies, p.Name)
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}
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temp.ProxyGroups[i].Proxies = proxies
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}
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skip = true
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continue
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}
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}
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if !skip {
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temp.ProxyGroups[i].Proxies = append(temp.ProxyGroups[i].Proxies, countryGroupNames...)
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}
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}
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temp.ProxyGroups = append(temp.ProxyGroups, sub.ProxyGroups...)
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}
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