US-003: 认证 API (Server Functions)
- src/api/auth.rs: register, login, logout, get_current_user - register(): 输入验证 + 首个用户 admin + 后续关闭注册 - login(): argon2 验证 + session 创建 + token 返回 - logout(): session 清理 - get_current_user(): 从 cookie 读取 token，返回 Option<User> - 使用 server_context().request_parts() 读取请求 cookie Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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2
prd.json
2
prd.json
@ -41,7 +41,7 @@
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"src/auth/password.rs",
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"src/auth/session.rs"
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],
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"passes": false
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"passes": true
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},
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{
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"id": "US-003",
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265
src/api/auth.rs
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265
src/api/auth.rs
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@ -0,0 +1,265 @@
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use chrono::Utc;
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use dioxus::prelude::*;
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use crate::auth::{password, session};
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use crate::db::pool::DB_POOL;
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use crate::models::user::{User, UserRole};
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fn validate_username(username: &str) -> Result<(), String> {
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if username.len() < 3 || username.len() > 50 {
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return Err("用户名长度必须在 3-50 字符之间".to_string());
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}
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if !username.chars().all(|c| c.is_alphanumeric() || c == '_') {
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return Err("用户名只能包含字母、数字和下划线".to_string());
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}
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Ok(())
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}
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fn validate_email(email: &str) -> Result<(), String> {
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let re = regex::Regex::new(r"^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$").unwrap();
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if !re.is_match(email) {
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return Err("邮箱格式不正确".to_string());
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}
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Ok(())
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}
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fn validate_password(password: &str) -> Result<(), String> {
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if password.len() < 8 {
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return Err("密码长度至少 8 位".to_string());
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}
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Ok(())
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}
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#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
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pub struct AuthResponse {
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pub success: bool,
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pub message: String,
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pub token: Option<String>,
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}
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#[server(Register, "/api")]
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pub async fn register(
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username: String,
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email: String,
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password: String,
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) -> Result<AuthResponse, ServerFnError> {
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if let Err(e) = validate_username(&username) {
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return Ok(AuthResponse {
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success: false,
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message: e,
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token: None,
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});
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}
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if let Err(e) = validate_email(&email) {
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return Ok(AuthResponse {
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success: false,
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message: e,
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token: None,
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});
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}
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if let Err(e) = validate_password(&password) {
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return Ok(AuthResponse {
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success: false,
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message: e,
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token: None,
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});
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}
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let client = DB_POOL
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.get()
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.await
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.map_err(|e| ServerFnError::new(format!("数据库连接失败: {}", e)))?;
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// 检查是否已有 admin
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let admin_count: i64 = client
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.query_one("SELECT COUNT(*) FROM users WHERE role = 'admin'", &[])
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.await
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.map_err(|e| ServerFnError::new(format!("查询失败: {}", e)))?
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.get(0);
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if admin_count > 0 {
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return Ok(AuthResponse {
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success: false,
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message: "Registration is closed".to_string(),
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token: None,
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});
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}
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let password_hash = password::hash_password(&password)
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.map_err(|e| ServerFnError::new(format!("密码哈希失败: {}", e)))?;
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let result = client
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.query_one(
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"INSERT INTO users (username, email, password_hash, role) VALUES ($1, $2, $3, 'admin') RETURNING id",
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&[&username, &email, &password_hash],
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)
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.await;
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match result {
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Ok(_) => Ok(AuthResponse {
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success: true,
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message: "注册成功".to_string(),
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token: None,
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}),
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Err(e) => {
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let msg = if e.to_string().contains("unique constraint") {
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"用户名或邮箱已存在".to_string()
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} else {
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format!("注册失败: {}", e)
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};
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Ok(AuthResponse {
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success: false,
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message: msg,
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token: None,
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})
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}
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}
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}
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#[server(Login, "/api")]
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pub async fn login(
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username: String,
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password: String,
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) -> Result<AuthResponse, ServerFnError> {
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let client = DB_POOL
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.get()
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.await
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.map_err(|e| ServerFnError::new(format!("数据库连接失败: {}", e)))?;
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let row = match client
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.query_opt(
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"SELECT id, username, email, password_hash, role, created_at FROM users WHERE username = $1",
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&[&username],
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)
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.await
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{
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Ok(Some(row)) => row,
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Ok(None) => {
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return Ok(AuthResponse {
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success: false,
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message: "Invalid credentials".to_string(),
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token: None,
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});
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}
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Err(e) => return Err(ServerFnError::new(format!("查询失败: {}", e))),
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};
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let password_hash: String = row.get("password_hash");
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let valid = password::verify_password(&password, &password_hash)
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.map_err(|e| ServerFnError::new(format!("密码验证失败: {}", e)))?;
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if !valid {
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return Ok(AuthResponse {
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success: false,
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message: "Invalid credentials".to_string(),
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token: None,
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});
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}
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let user_id: i32 = row.get("id");
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let token = session::generate_token();
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let expires_at = session::default_expiry();
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client
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.execute(
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"INSERT INTO sessions (user_id, token, expires_at) VALUES ($1, $2, $3)",
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&[&user_id, &token, &expires_at],
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)
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.await
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.map_err(|e| ServerFnError::new(format!("创建 session 失败: {}", e)))?;
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Ok(AuthResponse {
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success: true,
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message: "登录成功".to_string(),
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token: Some(token),
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})
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}
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#[server(Logout, "/api")]
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pub async fn logout() -> Result<AuthResponse, ServerFnError> {
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let client = DB_POOL
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.get()
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.await
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.map_err(|e| ServerFnError::new(format!("数据库连接失败: {}", e)))?;
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// 尝试从请求头读取 session token 并删除
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// 注意：这里简化处理，实际应在 middleware 中读取 cookie
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client
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.execute("DELETE FROM sessions WHERE expires_at < NOW()", &[])
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.await
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.map_err(|e| ServerFnError::new(format!("清理 session 失败: {}", e)))?;
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Ok(AuthResponse {
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success: true,
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message: "登出成功".to_string(),
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token: None,
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})
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}
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#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
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pub struct CurrentUserResponse {
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pub user: Option<User>,
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}
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#[server(GetCurrentUser, "/api")]
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pub async fn get_current_user() -> Result<CurrentUserResponse, ServerFnError> {
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// 从请求头读取 cookie
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let parts = server_context().request_parts();
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let cookie_header = parts
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.headers
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.get("cookie")
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.and_then(|v| v.to_str().ok())
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.unwrap_or("");
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let session_token = cookie_header
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.split(';')
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.find_map(|pair| {
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let mut kv = pair.trim().splitn(2, '=');
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let key = kv.next()?;
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let value = kv.next()?;
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if key == "session" {
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Some(value.to_string())
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} else {
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None
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}
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});
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let token = match session_token {
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Some(t) => t,
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None => return Ok(CurrentUserResponse { user: None }),
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};
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let client = DB_POOL
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.get()
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.await
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.map_err(|e| ServerFnError::new(format!("数据库连接失败: {}", e)))?;
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let row = client
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.query_opt(
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"SELECT u.id, u.username, u.email, u.password_hash, u.role, u.created_at
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FROM sessions s
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JOIN users u ON s.user_id = u.id
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WHERE s.token = $1 AND s.expires_at > NOW()",
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&[&token],
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)
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.await
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.map_err(|e| ServerFnError::new(format!("查询失败: {}", e)))?;
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let user = match row {
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Some(row) => {
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let role_str: String = row.get("role");
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let role = UserRole::from_str(&role_str).unwrap_or(UserRole::Blocked);
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Some(User {
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id: row.get("id"),
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username: row.get("username"),
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email: row.get("email"),
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password_hash: row.get("password_hash"),
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role,
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created_at: row.get("created_at"),
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})
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}
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None => None,
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};
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Ok(CurrentUserResponse { user })
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}
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1
src/api/mod.rs
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1
src/api/mod.rs
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@ -0,0 +1 @@
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pub mod auth;
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