feat: 代理池均衡分发&批量添加代理节点

frontend/src/views/admin/proxy-node-batch.ts

@@ -0,0 +1,91 @@
+export interface BatchManualProxyNode {
+  name: string
+  proxy_url: string
+  username?: string
+  password?: string
+}
+
+export interface BatchProxyNodeParseResult {
+  nodes: BatchManualProxyNode[]
+  errors: string[]
+}
+
+const SUPPORTED_PROXY_PROTOCOLS = new Set(['http:', 'https:', 'socks5:', 'socks5h:'])
+
+export function parseBatchProxyNodeInput(input: string): BatchProxyNodeParseResult {
+  const entries = input
+    .split(/[\n,]+/)
+    .map(entry => entry.trim())
+    .filter(Boolean)
+
+  const nodes: BatchManualProxyNode[] = []
+  const errors: string[] = []
+
+  entries.forEach((entry, index) => {
+    try {
+      nodes.push(parseBatchProxyNodeEntry(entry))
+    } catch (err) {
+      const message = err instanceof Error ? err.message : '格式不正确'
+      errors.push(`第 ${index + 1} 条 ${entry}: ${message}`)
+    }
+  })
+
+  return { nodes, errors }
+}
+
+function parseBatchProxyNodeEntry(entry: string): BatchManualProxyNode {
+  let url: URL
+  try {
+    url = new URL(entry)
+  } catch {
+    throw new Error('必须是合法的代理 URL')
+  }
+
+  if (!SUPPORTED_PROXY_PROTOCOLS.has(url.protocol)) {
+    throw new Error('仅支持 http/https/socks5/socks5h 协议')
+  }
+
+  const host = url.hostname.trim()
+  if (!host) {
+    throw new Error('缺少主机地址')
+  }
+
+  const username = decodeUrlCredential(url.username, '用户名')
+  const password = decodeUrlCredential(url.password, '密码')
+  if (!username && password) {
+    throw new Error('包含密码时必须同时包含用户名')
+  }
+
+  const port = url.port || defaultProxyPort(url.protocol)
+  const proxyHost = url.host || `${host}:${port}`
+  const proxyUrl = `${url.protocol}//${proxyHost}`
+
+  return {
+    name: `${formatNodeNameHost(host)}:${port}`,
+    proxy_url: proxyUrl,
+    username: username || undefined,
+    password: password || undefined,
+  }
+}
+
+function defaultProxyPort(protocol: string): string {
+  if (protocol === 'https:') return '443'
+  if (protocol === 'socks5:' || protocol === 'socks5h:') return '1080'
+  return '80'
+}
+
+function decodeUrlCredential(value: string, field: string): string {
+  if (!value) return ''
+  try {
+    return decodeURIComponent(value)
+  } catch {
+    throw new Error(`${field}包含无效的 URL 编码`)
+  }
+}
+
+function formatNodeNameHost(host: string): string {
+  if (host.includes(':') && !host.startsWith('[')) {
+    return `[${host}]`
+  }
+  return host
+}