规则页:全局分流规则的编辑与规则组管理
新增 RulesPage.vue 和规则、规则组、ini 导入三个对话框,纯逻辑放在 shared/rules.ts。拆分规则字符串复用 vendor 的 splitRuleFields——引号和 嵌套括号里的逗号不会被当成字段分隔;目标之后的选项段原样拼回,改一条 规则不会丢掉它的 no-resolve 尾巴。规则组的缓存路径显式生成:不写 path 时内核按 url 哈希自己算一个,那个路径这里算不出来。
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/**
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* 分流规则与规则组(rule-providers)的纯逻辑。
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*
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* 拆分规则字符串只为显示和编辑常见字段,不为每种规则类型建模——内核认识的类型
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* 比界面需要的多得多,拆不明白的(逻辑规则、子规则)由界面按原文整行编辑。
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* 拆分用 vendor 的 splitRuleFields:它认得引号和嵌套括号,`AND`/`OR` 这类载荷里
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* 的逗号不会被当成字段分隔。
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*/
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import { splitRuleFields } from '../vendor/config-editor/index.ts'
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import type { ConfigObject } from '../vendor/config-editor/index.ts'
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/** 一条分流规则拆开的样子。extras 是目标之后的选项段(如 no-resolve),原样保留。 */
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export interface ParsedRule {
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type: string
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/** MATCH 没有载荷,为 null */
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payload: string | null
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/** 目标出站。拆不出来(字段不够)时为 null */
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target: string | null
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extras: string[]
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}
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export function parseRule(rule: string): ParsedRule {
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const fields = splitRuleFields(rule)
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const type = fields[0] ?? ''
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if (type.toUpperCase() === 'MATCH') {
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return { type, payload: null, target: fields[1] ?? null, extras: fields.slice(2) }
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}
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return { type, payload: fields[1] ?? null, target: fields[2] ?? null, extras: fields.slice(3) }
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}
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/** 拼回一行规则。空字段不写,所以 MATCH 不会多出一个空载荷段。 */
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export function buildRule(parsed: ParsedRule): string {
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return [parsed.type, parsed.payload, parsed.target, ...parsed.extras]
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.filter((part): part is string => part !== null && part !== '')
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.join(',')
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}
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/**
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* 界面能按「类型,载荷,目标」结构化编辑的规则。
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*
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* 逻辑规则和子规则的结构不是这个形状,让它们进表单只会把原文拆坏,按整行编辑。
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*/
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const RAW_ONLY_TYPES = new Set(['AND', 'OR', 'NOT', 'SUB-RULE'])
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export function isStructuredEditable(rule: string): boolean {
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const parsed = parseRule(rule)
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if (RAW_ONLY_TYPES.has(parsed.type.toUpperCase())) return false
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return parsed.target !== null
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}
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/** 第一条 MATCH 的下标。它之后的规则永远到不了。没有 MATCH 返回 -1。 */
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export function firstMatchIndex(rules: string[]): number {
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return rules.findIndex((rule) => parseRule(rule).type.toUpperCase() === 'MATCH')
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}
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/** 把新规则插到第一条 MATCH 之前;没有 MATCH 就加在末尾。 */
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export function insertBeforeMatch(rules: string[], additions: string[]): string[] {
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const at = firstMatchIndex(rules)
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const index = at < 0 ? rules.length : at
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return [...rules.slice(0, index), ...additions, ...rules.slice(index)]
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}
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/** 上移或下移一条规则。越界时原样返回。 */
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export function moveRule(rules: string[], index: number, delta: -1 | 1): string[] {
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const to = index + delta
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if (index < 0 || index >= rules.length || to < 0 || to >= rules.length) return rules
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const next = [...rules]
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next[index] = rules[to]!
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next[to] = rules[index]!
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return next
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}
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/** 一条规则的断引用:目标出站不存在,或者 RULE-SET 引用的规则组不存在。 */
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export interface RuleIssue {
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index: number
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kind: 'target' | 'rule-set'
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name: string
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}
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/**
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* 找出引用了不存在的出站或规则组的规则。
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*
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* 内核自带的校验命令不检查这类引用,只在有流量经过时才报错,所以保存前的自检
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* (vendor 的 validateDocument)和界面上的标注都要自己查。SUB-RULE 的目标段是
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* 子规则集合名而不是出站,跳过——那是路由页的段落,这里不认。
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*/
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export function findRuleIssues(
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rules: string[],
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outboundNames: ReadonlySet<string>,
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providerNames: ReadonlySet<string>,
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): RuleIssue[] {
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const issues: RuleIssue[] = []
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rules.forEach((rule, index) => {
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const parsed = parseRule(rule)
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const type = parsed.type.toUpperCase()
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if (type === 'RULE-SET' && parsed.payload !== null && !providerNames.has(parsed.payload)) {
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issues.push({ index, kind: 'rule-set', name: parsed.payload })
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}
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if (type !== 'SUB-RULE' && parsed.target !== null && !outboundNames.has(parsed.target)) {
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issues.push({ index, kind: 'target', name: parsed.target })
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}
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})
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return issues
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}
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/**
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* 「内网直连」预设:回环、私网和链路本地地址一律 DIRECT。
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*
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* no-resolve 是这类规则的固定尾巴:它们按目标 IP 匹配,让内核先做一次 DNS 解析
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* 才能匹配是白忙一场,还会拖慢纯 IP 的连接。
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*/
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export const LAN_DIRECT_RULES = [
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'IP-CIDR,127.0.0.0/8,DIRECT,no-resolve',
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'IP-CIDR,10.0.0.0/8,DIRECT,no-resolve',
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'IP-CIDR,172.16.0.0/12,DIRECT,no-resolve',
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'IP-CIDR,192.168.0.0/16,DIRECT,no-resolve',
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'IP-CIDR,169.254.0.0/16,DIRECT,no-resolve',
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'IP-CIDR6,::1/128,DIRECT,no-resolve',
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'IP-CIDR6,fc00::/7,DIRECT,no-resolve',
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'IP-CIDR6,fe80::/10,DIRECT,no-resolve',
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] as const
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/**
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* 预设里还没出现在规则表里的那几条。
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*
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* 按「类型,载荷」判重而不是整行比对:用户手写的 `IP-CIDR,192.168.0.0/16,DIRECT`
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* 没有 no-resolve 尾巴,语义上已经管住了这个网段,再塞一条带尾巴的是重复。
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*/
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export function missingLanRules(rules: string[]): string[] {
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const covered = new Set(
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rules.map((rule) => {
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const parsed = parseRule(rule)
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return `${parsed.type.toUpperCase()},${parsed.payload ?? ''}`
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}),
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)
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return LAN_DIRECT_RULES.filter((preset) => {
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const parsed = parseRule(preset)
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return !covered.has(`${parsed.type},${parsed.payload ?? ''}`)
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})
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}
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/** rules: 里引用了这个规则组的规则下标。删除规则组前拿它拦人。 */
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export function ruleSetReferences(rules: string[], providerName: string): number[] {
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const result: number[] = []
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rules.forEach((rule, index) => {
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const parsed = parseRule(rule)
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if (parsed.type.toUpperCase() === 'RULE-SET' && parsed.payload === providerName) {
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result.push(index)
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}
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})
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return result
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}
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/** 配置里的 rule-providers 段。不是映射就当没有。 */
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export function ruleProvidersOf(data: ConfigObject): Record<string, ConfigObject> {
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const value = data['rule-providers']
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if (typeof value !== 'object' || value === null || Array.isArray(value)) return {}
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return value as Record<string, ConfigObject>
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}
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/** 直接改传入的对象——调用方先 clone。providers 空了就把整个键去掉,不留空映射。 */
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export function setRuleProviders(data: ConfigObject, providers: Record<string, ConfigObject>): void {
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if (Object.keys(providers).length === 0) delete data['rule-providers']
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else data['rule-providers'] = providers
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}
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/** 配置里的分流规则表。不是数组就当没有;非字符串的条目自检会报,这里不呈现。 */
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export function rulesOf(data: ConfigObject): string[] {
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if (!Array.isArray(data.rules)) return []
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return data.rules.filter((rule): rule is string => typeof rule === 'string')
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}
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/** 同上。规则表空了就删掉 rules 键,不留空数组。 */
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export function setRules(data: ConfigObject, rules: string[]): void {
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if (rules.length === 0) delete data.rules
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else data.rules = rules
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}
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/** 给文件名和规则组名去重用。 */
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function safeName(text: string): string {
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return text.replace(/[^\p{L}\p{N}_-]+/gu, '-').replace(/^-+|-+$/g, '')
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}
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/** FNV-1a。只用来给名字去重,不是安全用途。 */
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function shortHash(text: string): string {
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let h = 0x811c9dc5
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for (let i = 0; i < text.length; i += 1) {
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h ^= text.charCodeAt(i)
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h = Math.imul(h, 0x01000193) >>> 0
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}
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return h.toString(16).padStart(8, '0')
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}
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/**
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* 一个 http 规则组的缓存文件落在哪。
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*
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* 不写 path 时内核按 url 哈希自己生成一个(rules/provider/parse.go:51),那个路径
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* 这里算不出来,所以补一个确定的。扩展名跟着格式走,翻目录时看得出里面是什么。
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*/
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export function ruleProviderPath(name: string, format: string): string {
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const ext = format === 'mrs' ? 'mrs' : format === 'text' ? 'txt' : 'yaml'
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return `./providers/rules/${safeName(name) || shortHash(name)}.${ext}`
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}
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/** 清单格式按来源的扩展名推断。拿不准时回到 yaml——那是内核没写 format 时的默认。 */
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export function inferRuleFormat(source: string): 'yaml' | 'text' | 'mrs' {
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const clean = (source.split(/[?#]/)[0] ?? '').toLowerCase()
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if (clean.endsWith('.mrs')) return 'mrs'
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if (clean.endsWith('.list') || clean.endsWith('.txt')) return 'text'
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return 'yaml'
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}
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/** ini 里一行 ruleset= 解析出来的东西。 */
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export interface IniRuleset {
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/** ini 里的目标组名(「🎯 全球直连」这类),导入时由用户映射到实际出站 */
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target: string
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kind: 'url' | 'file' | 'geoip' | 'geosite' | 'final'
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/** kind 为 url/file 时是来源,为 geoip/geosite 时是类别名,final 时为空 */
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source: string
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}
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/**
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* 解析 subconverter ini 里的 ruleset= 行。
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*
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* 以 ; 和 # 开头的是 ini 的注释,跳过。custom_proxy_group= 是 subconverter 自己的
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* 建组指令,和本项目的专属组体系冲突,不在解析范围内。
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* 来源以 [] 开头的是内联规则而不是清单:[]GEOIP,CN 这类直接生成规则,不建规则组;
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* []FINAL(以及 []MATCH)是兜底规则。
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*/
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export function parseIniRulesets(text: string): IniRuleset[] {
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const result: IniRuleset[] = []
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for (const line of text.split(/\r?\n/)) {
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const trimmed = line.trim()
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if (trimmed === '' || trimmed.startsWith(';') || trimmed.startsWith('#')) continue
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const match = /^ruleset\s*=\s*(.+)$/i.exec(trimmed)
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if (!match) continue
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const body = match[1]!
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const comma = body.indexOf(',')
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if (comma < 0) continue
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const target = body.slice(0, comma).trim()
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const source = body.slice(comma + 1).trim()
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if (target === '' || source === '') continue
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if (source.startsWith('[]')) {
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const inline = source.slice(2).trim()
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const geo = /^(GEOIP|GEOSITE)\s*,\s*(.+)$/i.exec(inline)
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if (geo) {
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result.push({
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target,
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kind: geo[1]!.toUpperCase() === 'GEOIP' ? 'geoip' : 'geosite',
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source: geo[2]!.trim(),
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})
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} else if (inline.toUpperCase() === 'FINAL' || inline.toUpperCase() === 'MATCH') {
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result.push({ target, kind: 'final', source: '' })
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}
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// 其它 [] 写法([]REJECT 这类)认不出来,跳过比生成一条错规则好
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continue
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}
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result.push({ target, kind: /^https?:\/\//i.test(source) ? 'url' : 'file', source })
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}
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return result
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}
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/** ini 导入的产物:一批规则组声明,加一批新规则。 */
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export interface IniImportPlan {
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providers: Record<string, ConfigObject>
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/** 普通规则,插在第一条 MATCH 之前 */
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rules: string[]
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/** ini 里 []FINAL 生成的兜底规则,加在整张表末尾 */
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finals: string[]
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}
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/**
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* 把 ini 的 ruleset 行变成规则组声明和规则。
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*
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* 每个来源生成一个规则组,名字取来源的文件名(去扩展名),和已有的、以及本次
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* 已生成的撞名时加序号。ACL4SSR 的清单是 classical 行为的 text 格式,行为按
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* classical 声明,格式按扩展名推断。
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* 目标组名由 mapping 逐个映射到实际出站,没映射的行跳过。
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*/
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export function planIniImport(
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entries: IniRuleset[],
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mapping: Readonly<Record<string, string>>,
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existingProviders: ReadonlySet<string>,
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): IniImportPlan {
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const providers: Record<string, ConfigObject> = {}
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const rules: string[] = []
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const finals: string[] = []
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const taken = new Set(existingProviders)
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/** 同一行 ruleset 重复出现时共用一个名字,不重复声明。 */
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const nameBySource = new Map<string, string>()
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const nameFor = (source: string): string => {
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const known = nameBySource.get(source)
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if (known) return known
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const base = (source.split(/[?#]/)[0] ?? '').split(/[\\/]/).pop() ?? ''
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const stem = safeName(base.replace(/\.(list|txt|yaml|yml|mrs)$/i, '')) || 'rules'
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let name = stem
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for (let i = 2; taken.has(name); i += 1) name = `${stem}-${String(i)}`
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taken.add(name)
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nameBySource.set(source, name)
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return name
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}
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for (const entry of entries) {
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const target = mapping[entry.target]
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if (!target) continue
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if (entry.kind === 'geoip') {
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rules.push(`GEOIP,${entry.source},${target}`)
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continue
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}
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if (entry.kind === 'geosite') {
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rules.push(`GEOSITE,${entry.source},${target}`)
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continue
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}
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if (entry.kind === 'final') {
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finals.push(`MATCH,${target}`)
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continue
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}
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const format = inferRuleFormat(entry.source)
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const name = nameFor(`${entry.kind}:${entry.source}`)
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if (!providers[name]) {
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providers[name] =
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entry.kind === 'url'
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? {
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type: 'http',
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behavior: 'classical',
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url: entry.source,
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path: ruleProviderPath(name, format),
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format,
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interval: 86400,
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}
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: { type: 'file', behavior: 'classical', path: entry.source, format }
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}
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rules.push(`RULE-SET,${name},${target}`)
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}
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return { providers, rules, finals }
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}
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