// 处理webview的URL请求 use log::debug; use tauri::http::{Request, Response, StatusCode}; use url::Url; use crate::action_handlers::get_action_handler; use crate::error::{Result, ZdbError}; use crate::error_printer::format_error; use crate::mdx_url_parser::parse_mdx_url; /// 处理MDX URL请求的函数 fn handle_mdx_url(url: &str, base_url: &str) -> Result>> { let action = parse_mdx_url(&url, base_url)?; // 使用action handler处理请求 let handler = get_action_handler(action) .ok_or_else(|| ZdbError::invalid_parameter(format!("Unsupported action: {:?}", action)))?; let response = handler.handle(&Url::parse(url)?, action)?; Ok(response) } /// 为响应添加 CORS headers fn add_cors_headers(response: &mut Response>) { response.headers_mut().insert("Access-Control-Allow-Origin", "*".parse().unwrap()); response.headers_mut().insert("Access-Control-Allow-Methods", "*".parse().unwrap()); response.headers_mut().insert("Access-Control-Allow-Headers", "*".parse().unwrap()); } pub fn handle_request(request: &Request>, base_url: &str) -> std::result::Result>, Box> { let uri = request.uri().to_string(); debug!("Handling request: {}", uri); match handle_mdx_url(&uri, base_url) { Ok(mut response) => { // 统一添加 CORS headers add_cors_headers(&mut response); Ok(response) }, Err(error) => { let error_message = format_error(&error); // Determine HTTP status code based on error type let status_code = if let ZdbError::KeyNotFound { .. } = &error { log::info!("Key not found: {}", uri); StatusCode::NOT_FOUND } else { log::error!("Error handling MDX URL {}: {}", uri, error_message); StatusCode::INTERNAL_SERVER_ERROR }; let error_html = format!( "

Error

Failed to load content: {}

", error_message ); let mut response = Response::new(error_html.into_bytes()); *response.status_mut() = status_code; response.headers_mut().insert("Content-Type", "text/html; charset=utf-8".parse().unwrap()); // 错误响应也添加 CORS headers add_cors_headers(&mut response); Ok(response) } } }