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// 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<Response<Vec<u8>>> {
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<Vec<u8>>) {
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<Vec<u8>>, base_url: &str) -> std::result::Result<Response<Vec<u8>>, Box<dyn std::error::Error>> {
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!(
"<html><body><h1>Error</h1><p>Failed to load content: {}</p></body></html>",
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)
}
}
}
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