438 lines
16 KiB
Rust
438 lines
16 KiB
Rust
//! 代理模块（mihomo 管理器）：按功能域拆分子模块。
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//!
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//! - [`MihomoManager`]：核心状态与目录/设置/配置/API 方法
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//! - [`kernel`]：内核安装与更新
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//! - [`profiles`]：订阅管理
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//! - [`system_proxy`]：Windows 系统代理开关
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//! - [`commands`]：Tauri 命令层
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mod commands;
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mod kernel;
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mod profiles;
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mod pseudo;
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mod system_proxy;
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mod types;
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pub use pseudo::is_pseudo_node;
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pub use system_proxy::get_system_proxy_windows;
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pub use types::{InstallProgress, KernelInfo, KernelUpdateInfo, ProfileMeta, ProxySettings, ProxyStatus};
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pub use commands::{
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proxy_activate_profile, proxy_check_kernel_update, proxy_clear_system_proxy, proxy_close_connection,
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proxy_delete_profile, proxy_get_connections, proxy_get_proxies, proxy_get_settings, proxy_get_system_proxy,
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proxy_import_profile, proxy_install_kernel, proxy_kernel_info, proxy_patch_configs, proxy_restart,
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proxy_save_settings, proxy_select_proxy, proxy_set_system_proxy, proxy_start, proxy_status, proxy_stop,
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proxy_test_delay, proxy_update_kernel, proxy_update_profile, proxy_version,
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};
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use reqwest::Client;
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use serde_yaml::Value as YamlValue;
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use std::fs;
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use std::path::PathBuf;
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use std::sync::Mutex;
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use std::time::{Duration, Instant};
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use tauri::AppHandle;
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use crate::process_manager::{ProcessManager, StartProcessParams};
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// ===================== MihomoManager =====================
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/// settings 内存缓存条目（短时复用，避免高频状态轮询反复读盘）
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struct SettingsCacheEntry {
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read_at: Instant,
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settings: ProxySettings,
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}
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pub struct MihomoManager {
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root: PathBuf,
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client: Client,
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settings_cache: Mutex<Option<SettingsCacheEntry>>,
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}
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impl MihomoManager {
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pub fn new(app_data_dir: PathBuf) -> Self {
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let root = app_data_dir.join("proxy");
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for d in ["cores", "mihomo", "profiles", "logs"] {
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fs::create_dir_all(root.join(d)).ok();
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}
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Self {
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root,
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client: Client::builder()
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// 默认 30s 兜底超时，防止遗漏显式 timeout 的请求永久悬挂
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.timeout(std::time::Duration::from_secs(30))
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.build()
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.unwrap_or_else(|_| Client::new()),
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settings_cache: Mutex::new(None),
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}
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}
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fn cores_dir(&self) -> PathBuf {
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self.root.join("cores")
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}
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pub fn kernel_path(&self) -> PathBuf {
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self.cores_dir().join("mihomo.exe")
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}
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fn mihomo_dir(&self) -> PathBuf {
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self.root.join("mihomo")
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}
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fn config_path(&self) -> PathBuf {
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self.mihomo_dir().join("config.yaml")
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}
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fn profiles_dir(&self) -> PathBuf {
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self.root.join("profiles")
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}
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#[allow(dead_code)]
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fn logs_dir(&self) -> PathBuf {
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self.root.join("logs")
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}
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fn settings_path(&self) -> PathBuf {
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self.root.join("settings.json")
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}
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// ---------- 设置 ----------
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pub fn load_settings(&self) -> ProxySettings {
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// 内存缓存：500ms 内复用（高频调用如状态轮询/测速避免反复读盘）
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if let Ok(cache) = self.settings_cache.lock() {
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if let Some(entry) = cache.as_ref() {
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if entry.read_at.elapsed() < Duration::from_millis(500) {
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return entry.settings.clone();
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}
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}
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}
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let mut settings = fs::read_to_string(self.settings_path())
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.ok()
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.and_then(|s| serde_json::from_str::<ProxySettings>(&s).ok())
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.unwrap_or_default();
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// 恢复机制：扫描磁盘 profile 文件，补全 settings.profiles
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// 防止 settings.json 损坏（如反序列化失败被 default 覆盖）导致订阅丢失
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if self.reconcile_profiles(&mut settings) {
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let _ = self.save_settings(&settings);
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}
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// 刷新缓存
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if let Ok(mut cache) = self.settings_cache.lock() {
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*cache = Some(SettingsCacheEntry {
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read_at: Instant::now(),
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settings: settings.clone(),
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});
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}
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settings
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}
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/// 扫描磁盘 profile 文件，补全 settings.profiles 中缺失的条目。
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/// 返回 true 表示有变化需要保存。
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fn reconcile_profiles(&self, settings: &mut ProxySettings) -> bool {
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let mut changed = false;
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let existing_ids: std::collections::HashSet<String> =
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settings.profiles.iter().map(|p| p.id.clone()).collect();
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if let Ok(entries) = fs::read_dir(self.profiles_dir()) {
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for entry in entries.flatten() {
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let path = entry.path();
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if path.extension().and_then(|e| e.to_str()) != Some("yaml") {
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continue;
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}
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let Some(id) = path
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.file_stem()
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.and_then(|s| s.to_str())
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.map(|s| s.to_string())
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else {
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continue;
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};
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if existing_ids.contains(&id) {
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continue;
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}
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let size = fs::metadata(&path).map(|m| m.len()).unwrap_or(0);
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let updated_at = fs::metadata(&path)
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.and_then(|m| m.modified())
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.ok()
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.and_then(|t| t.duration_since(std::time::UNIX_EPOCH).ok())
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.and_then(|d| chrono::DateTime::from_timestamp(d.as_secs() as i64, 0))
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.map(|dt| dt.format("%Y-%m-%d %H:%M:%S").to_string())
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.unwrap_or_default();
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settings.profiles.push(ProfileMeta {
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added_at: updated_at.clone(),
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id: id.clone(),
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name: id,
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url: String::new(),
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updated_at,
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size,
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});
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changed = true;
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}
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}
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// 如果 currentProfile 为 null 但有 profile，设置为第一个
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if settings.current_profile.is_none() && !settings.profiles.is_empty() {
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settings.current_profile = Some(settings.profiles[0].id.clone());
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changed = true;
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}
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changed
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}
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pub fn save_settings(&self, settings: &ProxySettings) -> Result<(), String> {
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let s = serde_json::to_string_pretty(settings).map_err(|e| e.to_string())?;
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fs::write(self.settings_path(), s).map_err(|e| e.to_string())?;
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// 写盘成功后同步刷新内存缓存（避免旧缓存被后续 load_settings 复用）
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if let Ok(mut cache) = self.settings_cache.lock() {
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*cache = Some(SettingsCacheEntry {
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read_at: Instant::now(),
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settings: settings.clone(),
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});
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}
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Ok(())
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}
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// ---------- 配置生成 ----------
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/// 合并 profile + 控制器设置，生成运行时 config.yaml
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pub fn generate_config(&self) -> Result<(), String> {
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let settings = self.load_settings();
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let mut value: YamlValue = if let Some(id) = &settings.current_profile {
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let path = self.profiles_dir().join(format!("{}.yaml", id));
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if path.exists() {
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let content = fs::read_to_string(&path).map_err(|e| e.to_string())?;
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serde_yaml::from_str(&content).unwrap_or(YamlValue::Mapping(serde_yaml::Mapping::new()))
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} else {
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YamlValue::Mapping(serde_yaml::Mapping::new())
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}
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} else {
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YamlValue::Mapping(serde_yaml::Mapping::new())
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};
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if !value.is_mapping() {
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value = YamlValue::Mapping(serde_yaml::Mapping::new());
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}
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let m = value.as_mapping_mut().unwrap();
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m.insert(YamlValue::String("mixed-port".into()), YamlValue::Number(settings.mixed_port.into()));
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m.insert(
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YamlValue::String("external-controller".into()),
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YamlValue::String(settings.external_controller.clone()),
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);
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if !settings.secret.is_empty() {
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m.insert(YamlValue::String("secret".into()), YamlValue::String(settings.secret.clone()));
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}
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m.insert(YamlValue::String("mode".into()), YamlValue::String(settings.mode.clone()));
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m.insert(
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YamlValue::String("log-level".into()),
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YamlValue::String(settings.log_level.clone()),
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);
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m.insert(YamlValue::String("allow-lan".into()), YamlValue::Bool(settings.allow_lan));
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// 日志写入文件，便于排查问题
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let log_file = self.logs_dir().join("mihomo.log");
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m.insert(
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YamlValue::String("log-file".into()),
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YamlValue::String(log_file.to_string_lossy().to_string()),
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);
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// Geo 数据库下载源（使用 jsdelivr 国内可访问镜像，避免无代理时 GitHub 超时）
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let mut geox = serde_yaml::Mapping::new();
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geox.insert(
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YamlValue::String("mmdb".into()),
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YamlValue::String("https://cdn.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/country.mmdb".into()),
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);
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geox.insert(
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YamlValue::String("geosite".into()),
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YamlValue::String("https://cdn.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geosite.dat".into()),
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);
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geox.insert(
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YamlValue::String("asn".into()),
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YamlValue::String("https://cdn.jsdelivr.net/gh/xishang0128/bdg@master/GeoLite2-ASN.mmdb".into()),
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);
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m.insert(YamlValue::String("geox-url".into()), YamlValue::Mapping(geox));
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let yaml = serde_yaml::to_string(&value).map_err(|e| e.to_string())?;
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fs::write(self.config_path(), yaml).map_err(|e| e.to_string())?;
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Ok(())
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}
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/// 构建启动 mihomo 所需的进程参数（含 prepare + config 生成）
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pub fn prepare_for_start(&self, app: &AppHandle) -> Result<StartProcessParams, String> {
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let info = self.prepare_kernel(app)?;
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if !info.exists {
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return Err(format!(
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"mihomo 内核未安装。请将 mihomo.exe 放置到 src-tauri/binaries/ 后重新运行，或直接放到：\n{}",
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self.cores_dir().to_string_lossy()
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));
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}
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self.generate_config()?;
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Ok(StartProcessParams {
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id: "proxy".into(),
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executable: self.kernel_path().to_string_lossy().to_string(),
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args: vec![
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"-d".into(),
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self.mihomo_dir().to_string_lossy().to_string(),
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"-f".into(),
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self.config_path().to_string_lossy().to_string(),
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],
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cwd: Some(self.mihomo_dir().to_string_lossy().to_string()),
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name: "mihomo".into(),
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restart_on_crash: true,
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max_restarts: 3,
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})
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}
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/// 应用启动时检查是否需要自动启动 mihomo 和系统代理
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pub fn auto_start_on_launch(&self, app: &AppHandle, pm: &ProcessManager) {
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let settings = self.load_settings();
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if !settings.auto_start {
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return;
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}
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match self.prepare_for_start(app) {
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Ok(params) => {
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if let Err(e) = pm.start(params) {
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crate::logger::log_error("mihomo", &format!("自动启动失败: {}", e));
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} else if settings.auto_system_proxy {
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// 启动成功后开启系统代理
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let addr = format!("127.0.0.1:{}", settings.mixed_port);
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let _ = system_proxy::set_system_proxy_windows(&addr);
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let mut s = settings;
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s.system_proxy = true;
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let _ = self.save_settings(&s);
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}
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}
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Err(e) => {
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crate::logger::log_warn("mihomo", &format!("自动启动跳过: {}", e));
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}
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}
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}
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/// 应用退出时清理：关闭系统代理
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pub fn cleanup_on_exit(&self) {
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let settings = self.load_settings();
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if settings.system_proxy || settings.auto_system_proxy {
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let _ = system_proxy::clear_system_proxy_windows();
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}
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}
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// ---------- mihomo API ----------
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fn api_url(&self, path: &str) -> String {
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let s = self.load_settings();
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format!("http://{}{}", s.external_controller, path)
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}
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fn api_bearer(&self) -> Option<String> {
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let s = self.load_settings();
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if s.secret.is_empty() {
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None
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} else {
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Some(format!("Bearer {}", s.secret))
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}
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}
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async fn api_get(&self, path: &str) -> Result<serde_json::Value, String> {
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let mut req = self.client.get(self.api_url(path));
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if let Some(b) = self.api_bearer() {
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req = req.header("Authorization", b);
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}
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// 显式超时：mihomo 卡死/未响应时命令立即返回，避免前端按钮永久转圈
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let resp = req
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.timeout(std::time::Duration::from_secs(10))
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.send()
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.await
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.map_err(|e| format!("请求 mihomo 失败: {}", e))?;
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if !resp.status().is_success() {
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return Err(format!("mihomo API 错误: {}", resp.status()));
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}
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resp.json().await.map_err(|e| e.to_string())
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}
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async fn api_request(
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&self,
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method: reqwest::Method,
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path: &str,
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body: Option<serde_json::Value>,
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) -> Result<(), String> {
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let mut req = self.client.request(method, self.api_url(path));
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if let Some(b) = self.api_bearer() {
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req = req.header("Authorization", b);
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}
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if let Some(b) = body {
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req = req.json(&b);
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}
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let resp = req
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.timeout(std::time::Duration::from_secs(10))
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.send()
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.await
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.map_err(|e| format!("请求 mihomo 失败: {}", e))?;
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if !resp.status().is_success() {
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return Err(format!("mihomo API 错误: {}", resp.status()));
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}
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Ok(())
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}
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pub async fn get_version(&self) -> Result<serde_json::Value, String> {
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self.api_get("/version").await
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}
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pub async fn get_proxies(&self) -> Result<serde_json::Value, String> {
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self.api_get("/proxies").await
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}
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pub async fn select_proxy(&self, group: &str, name: &str) -> Result<(), String> {
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self.api_request(
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reqwest::Method::PUT,
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&format!("/proxies/{}", url_encode(group)),
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Some(serde_json::json!({ "name": name })),
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)
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.await
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}
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pub async fn test_delay(&self, name: &str, url: &str, timeout: u32) -> Result<u32, String> {
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let path = format!(
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"/proxies/{}/delay?timeout={}&url={}",
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url_encode(name),
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timeout,
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url_encode(url)
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);
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let v = self.api_get(&path).await?;
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v.get("delay")
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.and_then(|d| d.as_u64())
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.map(|d| d as u32)
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.ok_or_else(|| {
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v.get("message")
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.and_then(|m| m.as_str())
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.map(|s| s.to_string())
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.unwrap_or_else(|| "测速失败".into())
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})
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}
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#[allow(dead_code)]
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pub async fn get_rules(&self) -> Result<serde_json::Value, String> {
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self.api_get("/rules").await
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}
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pub async fn get_connections(&self) -> Result<serde_json::Value, String> {
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self.api_get("/connections").await
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}
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pub async fn close_connection(&self, id: &str) -> Result<(), String> {
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self.api_request(
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reqwest::Method::DELETE,
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&format!("/connections/{}", url_encode(id)),
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None,
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)
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.await
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}
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pub async fn patch_configs(&self, body: serde_json::Value) -> Result<(), String> {
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self.api_request(reqwest::Method::PATCH, "/configs", Some(body)).await
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}
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}
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fn url_encode(s: &str) -> String {
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// 仅对路径段做最小编码，避免引入额外依赖
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let mut out = String::with_capacity(s.len());
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for b in s.bytes() {
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match b {
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b'A'..=b'Z' | b'a'..=b'z' | b'0'..=b'9' | b'-' | b'_' | b'.' | b'~' => {
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out.push(b as char);
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}
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_ => out.push_str(&format!("%{:02X}", b)),
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}
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}
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out
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}
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