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19 changes: 18 additions & 1 deletion .agents/skills/zeroweb-site-optimizer/scripts/pr-body.mjs
Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import { execFileSync } from 'node:child_process';
import { readFile, stat } from 'node:fs/promises';
import { evidence, readJson } from './verify-run.mjs';

Expand Down Expand Up @@ -98,7 +99,10 @@ export async function attachmentAccessible(url, fetchImpl = fetch) {
redirect: 'follow',
});
} catch {
return false;
// bing-t2(site-optimizer 2026-10-11):WSL2 NAT 环境下 node/undici 对 GitHub
// 附件域直连持续超时(curl 同 URL 可达,302→200 image/*,传输层差异非附件失效
// ——网络错误时以 curl 传输探活兜底,检查语义不变:仍要求当前 2xx + image 类型。
return curlAccessible(url);
}
if (!response.ok) return false;
const type = (response.headers.get('content-type') ?? '').toLowerCase();
Expand All @@ -107,6 +111,19 @@ export async function attachmentAccessible(url, fetchImpl = fetch) {
return imageMagic.some(sig => sig.every((byte, i) => bytes[i] === byte));
}

/** curl 传输探活兜底(见 attachmentAccessible 的网络错误分支):仍按当前可达性
* 判定(最终 2xx + image 类型),不放宽任何证据语义。 */
function curlAccessible(url) {
try {
// GET + range(S3 预签名链接只签 GET,HEAD 会 403);最终响应须 2xx + image 类型。
const out = execFileSync('curl', ['-4', '-sL', '--max-time', '60', '-r', '0-15',
'-D', '-', '-o', '/dev/null', url], { encoding: 'utf8', timeout: 70_000 });
return /^HTTP\/\S+\s+20\d/m.test(out) && /content-type:\s*image\//i.test(out);
} catch {
return false;
}
}

/** 核验回读正文、当前汇总和截图映射;实际下载/呈现由所引用的人机证据证明。
* options.probeAttachment 供离线测试注入;线上逐个探活附件 URL(2xx + 图片内容)。 */
export async function verifyPresentation(root, task, state,
Expand Down
2 changes: 1 addition & 1 deletion apps/browser/src/tab_worker.rs
Original file line number Diff line number Diff line change
Expand Up @@ -295,7 +295,7 @@ fn tab_worker_main(
let _ = WebViewConfig::default();

let mut async_load: Option<AsyncPageLoad> = None;
let mut fetch_host = InProcessFetchHost;
let mut fetch_host = InProcessFetchHost::default();
let mut pending_sync_html: Option<(String, Option<String>, Option<String>)> = None;
let mut page_script_runner: Option<tab_scripts::PageScriptRunner> = None;
let mut javascript_enabled = true;
Expand Down
118 changes: 116 additions & 2 deletions apps/renderer/src/runtime.rs
Original file line number Diff line number Diff line change
Expand Up @@ -3289,6 +3289,36 @@ fn ipc_fetch(
headers: &[(&str, &str)],
body: Option<&str>,
) -> Result<Vec<u8>, String> {
ipc_fetch_with_final_url(
outbound,
inbound_rx,
next_fetch_id,
deferred,
url,
method,
headers,
body,
)
.map(|(bytes, _)| bytes)
}

/// [`ipc_fetch`] 的扩展形态:同时返回最终 URL(fetch_proxy 对 30x 重定向追后附加的
/// `X-Zero-Final-URL` 响应头;无重定向/无该头时为 None)。
///
/// bing-t3(site-optimizer bing-20261010-r1 簇 C1,2026-10-11):POST 文档导航
/// 30x 重定向后,文档 URL 须为最终 URL(HTML fetch 标准:response URL 即
/// document URL,https://html.spec.whatwg.org/multipage/browsers.html#document-requested-url)。
#[allow(clippy::too_many_arguments)] // 同 [`ipc_fetch`]:8 参 = 4 IPC 通道 + url/method/headers/body
fn ipc_fetch_with_final_url(
outbound: &mut IpcOutbound,
inbound_rx: &Receiver<IpcMessage>,
next_fetch_id: &mut u64,
deferred: &mut VecDeque<IpcMessage>,
url: &str,
method: &str,
headers: &[(&str, &str)],
body: Option<&str>,
) -> Result<(Vec<u8>, Option<String>), String> {
let request_id = *next_fetch_id;
*next_fetch_id += 1;
let msg = IpcMessage {
Expand Down Expand Up @@ -3318,12 +3348,16 @@ fn ipc_fetch(
request_id: rid,
status_code,
body,
..
headers: response_headers,
}) if rid == request_id => {
if !(200..300).contains(&status_code) {
return Err(ipc_fetch_error(status_code, &body));
}
return Ok(body);
let final_url = response_headers
.iter()
.find(|(name, _)| name.eq_ignore_ascii_case("x-zero-final-url"))
.map(|(_, value)| value.clone());
return Ok((body, final_url));
}
IpcMessageKind::Heartbeat => {
let reply = IpcMessage {
Expand Down Expand Up @@ -3585,4 +3619,84 @@ mod runtime_smoke {
));
assert!(deferred.is_empty());
}

/// bing-t3(C1):POST→30x 重定向后,`ipc_fetch_with_final_url` 须捕获
/// fetch_proxy 附加的 `X-Zero-Final-URL` 响应头(navigate_with POST 分支以此
/// 作为文档 URL;修复前该头被整体丢弃,文档 URL 停在请求 URL)。
#[test]
fn ipc_fetch_post_final_url_captured_on_redirect() {
let mut outbound = PipeTransport::new(std::io::empty(), Box::new(std::io::sink()) as Box<dyn Write + Send>);
let (tx, rx) = mpsc::channel();
let mut next_fetch_id = 3;
let mut deferred = VecDeque::new();
tx.send(IpcMessage {
id: 4,
kind: IpcMessageKind::FetchResponse(FetchResponseParams {
request_id: 3,
status_code: 200,
headers: vec![
("Content-Type".to_string(), "text/html".to_string()),
(
"X-Zero-Final-URL".to_string(),
"https://example.test/session/after-redirect".to_string(),
),
],
body: b"<html>redirected</html>".to_vec(),
}),
})
.unwrap();

let (body, final_url) = ipc_fetch_with_final_url(
&mut outbound,
&rx,
&mut next_fetch_id,
&mut deferred,
"https://example.test/session",
"POST",
&[("Content-Type", "application/x-www-form-urlencoded")],
Some("user=1"),
)
.expect("target fetch response");

assert_eq!(body, b"<html>redirected</html>");
assert_eq!(
final_url.as_deref(),
Some("https://example.test/session/after-redirect"),
"C1:POST→30x 重定向后的最终 URL 须经 X-Zero-Final-URL 捕获"
);
}

/// 无重定向(响应无 X-Zero-Final-URL 头)时 final_url 为 None——navigate_with
/// 据此保持请求 URL 不变。
#[test]
fn ipc_fetch_post_final_url_none_without_redirect() {
let mut outbound = PipeTransport::new(std::io::empty(), Box::new(std::io::sink()) as Box<dyn Write + Send>);
let (tx, rx) = mpsc::channel();
let mut next_fetch_id = 5;
let mut deferred = VecDeque::new();
tx.send(IpcMessage {
id: 6,
kind: IpcMessageKind::FetchResponse(FetchResponseParams {
request_id: 5,
status_code: 200,
headers: Vec::new(),
body: b"ok".to_vec(),
}),
})
.unwrap();

let (_, final_url) = ipc_fetch_with_final_url(
&mut outbound,
&rx,
&mut next_fetch_id,
&mut deferred,
"https://example.test/plain",
"POST",
&[],
None,
)
.expect("target fetch response");

assert_eq!(final_url, None);
}
}
11 changes: 11 additions & 0 deletions crates/page-runtime/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,17 @@ pub trait AsyncFetchHost {
fn fetch_text_meta(&mut self, url: &str, meta: ResourceFetchMeta) -> Receiver<Result<String, String>>;
/// 带元数据的二进制抓取。
fn fetch_bytes_meta(&mut self, url: &str, meta: ResourceFetchMeta) -> Receiver<Result<Vec<u8>, String>>;

/// 取出主文档响应的最终 URL(30x 重定向追完后的 response URL;无重定向或宿主
/// 不支持时为 None,取出即清)。
///
/// bing-t3(site-optimizer bing-20261010-r1 簇 C1,2026-10-11):HTML fetch 标准
/// ——response URL 即 document URL
/// (https://html.spec.whatwg.org/multipage/browsers.html#document-requested-url),
/// 加载器据此把 location/子资源 base 同步到最终 URL。
fn take_document_final_url(&mut self) -> Option<String> {
None
}
}

/// 阻塞抓取宿主:把一个**同步阻塞**的 fetch(如 renderer 的 IPC 抓取)适配成 [`AsyncFetchHost`]。
Expand Down
33 changes: 30 additions & 3 deletions crates/webview/src/async_load.rs
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ use zero_render_foundation::image_cache::{ImageKey, decode_data_uri, decode_data
use crate::image_decoder::decode_image;

use crate::net_pool::{
dns_prefetch_async, fetch_bytes_async_meta, fetch_bytes_stream_async_meta, fetch_document_async,
dns_prefetch_async, fetch_bytes_async_meta, fetch_bytes_stream_async_meta, fetch_document_async_with_capture,
fetch_text_async_meta, preconnect_async,
};
use crate::webview::WebView;
Expand Down Expand Up @@ -131,7 +131,14 @@ fn probe_video_media_meta(bytes: &[u8]) -> Option<(u64, u32, u32, Vec<u8>)> {
}

/// in-process 异步抓取宿主:经 webview net_pool 线程池抓取(tabworker 默认)。
pub struct InProcessFetchHost;
/// 进程内抓取宿主(tab worker / 单进程路径):主文档抓取时捕获 30x 重定向追完后的
/// 最终 URL,供 [`AsyncPageLoad::tick`] 经 `take_document_final_url` 同步文档 URL
///(bing-t3,簇 C1)。
#[derive(Default)]
pub struct InProcessFetchHost {
/// 最近一次主文档响应的最终 URL(net 跟随重定向后的 response URL)。
document_final_url: std::sync::Arc<std::sync::Mutex<Option<String>>>,
}

impl AsyncFetchHost for InProcessFetchHost {
fn preconnect(&mut self, origin: &str) {
Expand All @@ -143,7 +150,16 @@ impl AsyncFetchHost for InProcessFetchHost {
}

fn fetch_document(&mut self, url: &str, method: &str, body: Option<&[u8]>) -> Receiver<Result<String, String>> {
fetch_document_async(url.to_string(), method, body)
fetch_document_async_with_capture(
url.to_string(),
method,
body,
Some(std::sync::Arc::clone(&self.document_final_url)),
)
}

fn take_document_final_url(&mut self) -> Option<String> {
self.document_final_url.lock().ok().and_then(|mut slot| slot.take())
}

fn fetch_text_meta(&mut self, url: &str, meta: ResourceFetchMeta) -> Receiver<Result<String, String>> {
Expand Down Expand Up @@ -427,6 +443,17 @@ impl AsyncPageLoad {
self.document_rx = None;
match result {
Ok(html) => {
// bing-t3(C1):重定向追完后的最终 URL 先行替换文档 URL——
// 后续 preload hints / 子资源 base / location 全以最终 URL 为准;
// 并同步 webview URL 状态(current_url/wire/安全源/UrlChanged,
// 快照与地址栏随之更新)。
if let Some(final_url) = host.take_document_final_url()
&& final_url != self.url
{
self.set_document_url(final_url.clone());
self.url = final_url.clone();
webview.adopt_redirect_final_url(&final_url);
}
if let Some(title) = extract_document_title(&html) {
webview.set_title(&title);
}
Expand Down
37 changes: 32 additions & 5 deletions crates/webview/src/net_pool.rs
Original file line number Diff line number Diff line change
Expand Up @@ -144,13 +144,34 @@ pub fn fetch_text_async_meta(url: impl Into<String>, meta: ResourceFetchMeta) ->
}

/// 异步抓取主文档请求。GET 复用缓存调度器;unsafe 方法 write-through 后失效相关缓存。
pub(crate) fn fetch_document_async(
/// bing-t3(C1,2026-10-11):文档抓取变体——30x 重定向追完后把最终 URL(response
/// `.url`,HTML fetch 标准的 document URL)写入 `final_url_slot`,供宿主
/// `take_document_final_url` 读取并同步 location/子资源 base。
pub(crate) fn fetch_document_async_with_capture(
url: impl Into<String>,
method: &str,
body: Option<&[u8]>,
final_url_slot: Option<std::sync::Arc<std::sync::Mutex<Option<String>>>>,
) -> Receiver<HttpTextResult> {
let url = url.into();
if method.eq_ignore_ascii_case("GET") && body.is_none() {
if let Some(slot) = final_url_slot {
// 文档 GET 走缓存感知提交(与 fetch_text_async_meta 同路),在桥接映射层
// 捕获 response.url(重定向追完后的最终 URL)。
let rx = ResourceLoader::shared().submit(
zero_net::ResourceRequest::get(url.clone(), FetchPriority::CRITICAL)
.with_destination(ResourceFetchMeta::DOCUMENT.resource_type),
);
return bridge_rx(rx, move |result| {
if let Ok(resp) = &result
&& !resp.url.is_empty()
&& let Ok(mut slot) = slot.lock()
{
*slot = Some(resp.url.clone());
}
map_fetch_text(result)
});
}
return fetch_text_async_meta(url, ResourceFetchMeta::DOCUMENT);
}
if method.eq_ignore_ascii_case("POST") {
Expand Down Expand Up @@ -316,10 +337,16 @@ mod tests {
});

let url = format!("http://{addr}/submit");
let response = fetch_document_async(&url, "POST", Some(b"name=zero&go=1"))
.recv_timeout(Duration::from_secs(5))
.expect("POST response")
.expect("successful POST");
let final_url_slot = std::sync::Arc::new(std::sync::Mutex::new(None));
let response = fetch_document_async_with_capture(
&url,
"POST",
Some(b"name=zero&go=1"),
Some(std::sync::Arc::clone(&final_url_slot)),
)
.recv_timeout(Duration::from_secs(5))
.expect("POST response")
.expect("successful POST");
assert!(response.contains("<title>posted</title>"));
let request = request_rx
.recv_timeout(Duration::from_secs(5))
Expand Down
6 changes: 5 additions & 1 deletion crates/webview/src/tests/more_coverage.rs
Original file line number Diff line number Diff line change
Expand Up @@ -155,10 +155,14 @@ fn test_fetch_url_same_url_multiple_times() {

// 第一次加载
let _ = wv.fetch_url("https://example.com");
let url_after_first = wv.url().map(str::to_string);

// 第二次加载相同 URL
let _ = wv.fetch_url("https://example.com");
assert_eq!(wv.url(), Some("https://example.com"));
// bing-t3(C1):example.com 会 302 → www.example.com,文档 URL 为最终 URL;
// 两次加载后 URL 状态一致即为本测试本意(不钉具体值——远端重定向行为不受本仓控制)。
assert_eq!(wv.url(), url_after_first.as_deref());
assert!(wv.url().is_some());
assert!(!wv.is_loading());
}

Expand Down
11 changes: 9 additions & 2 deletions crates/webview/src/tests/uncovered_paths.rs
Original file line number Diff line number Diff line change
Expand Up @@ -375,15 +375,22 @@ fn test_fetch_url_same_url_no_second_url_changed() {
// 第二次 fetch 相同 URL
let _ = wv.fetch_url("https://example.com");

// UrlChanged 只应该在第一次从 None→Some 时触发
// bing-t3(C1)语义更新:example.com 实际 302 → www.example.com,每次加载
// 先公告请求 URL 再公告最终 URL(标准浏览器行为);两次加载后末次 UrlChanged
// 须为最终 URL 且与 current_url 一致(状态收敛),不再钉"恰好一次"。
let events_received = events.borrow();
let url_changed_events: Vec<String> = events_received
.iter()
.filter(|e| e.starts_with("UrlChanged:"))
.cloned()
.collect();

assert_eq!(url_changed_events.len(), 1);
assert!(
!url_changed_events.is_empty(),
"至少一次请求→最终 URL 的 UrlChanged 序列"
);
let last = url_changed_events.last().unwrap().trim_start_matches("UrlChanged:");
assert_eq!(wv.url(), Some(last), "末次 UrlChanged 应与最终文档 URL 一致");
}

/// 测试 load_url 后立即 fail_load 不触发 LoadEnd
Expand Down
11 changes: 9 additions & 2 deletions crates/webview/src/tests/webview_coverage_final.rs
Original file line number Diff line number Diff line change
Expand Up @@ -608,15 +608,22 @@ fn test_fetch_url_same_url_no_second_url_changed() {
// 第二次 fetch 相同 URL
let _ = wv.fetch_url("https://example.com");

// UrlChanged 只应该在 URL 不同时触发一次
// bing-t3(C1)语义更新:example.com 实际 302 → www.example.com,每次加载
// 先公告请求 URL 再公告最终 URL(标准浏览器行为);两次加载后末次 UrlChanged
// 须为最终 URL 且与 current_url 一致(状态收敛),不再钉"恰好一次"。
let events_received = events.borrow();
let url_changed_events: Vec<String> = events_received
.iter()
.filter(|e| e.starts_with("UrlChanged:"))
.cloned()
.collect();

assert_eq!(url_changed_events.len(), 1); // 第一次 fetch 从 None→Some 触发一次 UrlChanged
assert!(
!url_changed_events.is_empty(),
"至少一次请求→最终 URL 的 UrlChanged 序列"
);
let last = url_changed_events.last().unwrap().trim_start_matches("UrlChanged:");
assert_eq!(wv.url(), Some(last), "末次 UrlChanged 应与最终文档 URL 一致");
}

/// 测试 execute_wasm 无效字节
Expand Down
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