feat(stealth): many stealth improvements

crates/obscura-cdp/src/domains/browser.rs

@@ -4,10 +4,10 @@ pub async fn handle(method: &str, _params: &Value) -> Result<Value, String> {
     match method {
         "getVersion" => Ok(json!({
             "protocolVersion": "1.3",
-            "product": "Obscura/0.1.0",
+            "product": "Chrome/145.0.0.0",
-            "revision": "0",
+            "revision": "@0000000000000000000000000000000000000000",
-            "userAgent": "Obscura/0.1.0 (Headless Browser)",
+            "userAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36",
-            "jsVersion": "N/A",
+            "jsVersion": "14.5.0.0",
         })),
         "close" => {
             Ok(json!({}))

crates/obscura-cdp/src/server.rs

@@ -146,27 +146,13 @@ pub async fn start_with_full_serve_options(
 
     let (ws_tx, mut ws_rx) = mpsc::channel::<std::net::TcpStream>(MAX_PENDING_WS_HANDOFFS);
 
-    // Issue #225: coordinate Ctrl-C shutdown across the accept thread, the
+    // Ctrl-C / graceful shutdown coordination.
-    // LocalSet accept loop, and `cdp_processor`. The flag is the guaranteed
-    // path: the accept thread checks it between connections and stops, which
-    // drops its `ws_tx` clone and closes the channel. The notify is the fast
-    // path: it wakes the LocalSet accept loop immediately instead of waiting
-    // for the next TCP connection. `cdp_processor` sets both when it catches
-    // Ctrl-C.
     let shutdown_flag = Arc::new(AtomicBool::new(false));
     let shutdown_notify = Arc::new(Notify::new());
 
     // Dedicated accept thread: drains the kernel backlog immediately and
     // handles HTTP endpoints (/json/version, /json, /json/protocol) with
     // blocking I/O so they never contend with the LocalSet's V8 work.
-    //
-    // Lifecycle note: this thread is detached (no `join` handle) and runs for
-    // the process lifetime accepting connections until the shutdown flag is
-    // set. The blocking `incoming()` only re-checks the flag once the next
-    // connection arrives, so prompt Ctrl-C shutdown relies on the LocalSet
-    // loop exiting via the notify: once `start_with_*` and `main` return the
-    // process exits and this thread goes with it. The flag still matters on
-    // the slow path so the thread stops and drops `ws_tx`, closing the channel.
     let accept_flag = shutdown_flag.clone();
     std::thread::Builder::new()
         .name("obscura-cdp-accept".into())
@@ -195,18 +181,15 @@ pub async fn start_with_full_serve_options(
 
             let _processor_handle = tokio::task::spawn_local(cdp_processor(
                 msg_rx, proxy, stealth, user_agent, allow_file_access, storage_dir,
-                allow_private_network, shutdown_flag.clone(), shutdown_notify.clone(),
+                allow_private_network,
+                shutdown_flag,
+                shutdown_notify.clone(),
             ));
 
-            // Issue #225: exit on either the channel closing (accept thread
-            // stopped and dropped its ws_tx) or a shutdown notification from
-            // cdp_processor on Ctrl-C. Waiting only on ws_rx.recv() would hang
-            // forever because the accept thread keeps a ws_tx clone alive.
-            let accept_notify = shutdown_notify.clone();
             loop {
                 let stream = tokio::select! {
                     stream = ws_rx.recv() => stream,
-                    _ = accept_notify.notified() => None,
+                    _ = shutdown_notify.notified() => None,
                 };
                 let stream = match stream {
                     Some(s) => s,
@@ -319,11 +302,11 @@ fn handle_http_json_blocking(
 
     let body = match endpoint {
         "version" => serde_json::to_string_pretty(&json!({
-            "Browser": "Obscura/0.1.0",
+            "Browser": "Chrome/145.0.0.0",
             "Protocol-Version": "1.3",
-            "User-Agent": "Obscura/0.1.0 (Headless Browser)",
+            "User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36",
-            "V8-Version": "N/A",
+            "V8-Version": "14.5.0.0",
-            "WebKit-Version": "N/A",
+            "WebKit-Version": "537.36",
             "webSocketDebuggerUrl": format!("ws://127.0.0.1:{}/devtools/browser", port),
         }))?,
         "list" => serde_json::to_string_pretty(&json!([{
@@ -404,11 +387,6 @@ async fn cdp_processor(
                 },
                 _ = &mut shutdown => {
                     tracing::info!("Shutdown signal received");
-                    // Issue #225: stop the accept thread (flag) and wake the
-                    // LocalSet accept loop (notify) so the process can exit.
-                    // notify_one fires before the synchronous save_cookies
-                    // below, but the loop only reacts once this task yields,
-                    // which is after save_cookies has run.
                     shutdown_flag.store(true, Ordering::Relaxed);
                     shutdown_notify.notify_one();
                     break;
@@ -879,10 +857,10 @@ fn fast_path_response(text: &str) -> Option<String> {
         "Browser.getVersion" => {
             Some(json!({
                 "protocolVersion": "1.3",
-                "product": "Obscura/0.1.0",
+                "product": "Chrome/145.0.0.0",
-                "revision": "0",
+                "revision": "@0000000000000000000000000000000000000000",
-                "userAgent": "Obscura/0.1.0",
+                "userAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36",
-                "jsVersion": "V8",
+                "jsVersion": "14.5.0.0",
             }))
         }
         "Browser.setDownloadBehavior" | "Browser.getWindowBounds" => {

crates/obscura-cdp/tests/concurrent_navigations.rs

@@ -111,7 +111,7 @@ async fn one_client(port: u16, id_base: u64) -> Result<(), String> {
 }
 
 #[tokio::test(flavor = "current_thread")]
-#[ignore = "boots a real CDP server; opt-in with --ignored"]
+
 async fn concurrency_5_does_not_abort_v8() {
     let port = pick_port().await;
     let local = tokio::task::LocalSet::new();

crates/obscura-cdp/tests/concurrent_navigations_with_fetch.rs

@@ -173,7 +173,7 @@ async fn one_client_with_fetch(port: u16, id_base: u64, target_url: &str) -> Res
 
 /// PR #36 maintainer's exact repro.
 #[tokio::test(flavor = "current_thread")]
-#[ignore = "boots a real CDP server + makes outbound HTTP; opt-in with --ignored"]
+
 async fn fetch_intercept_concurrency_5_does_not_abort_v8() {
     // Use example.com first — minimal subresources but real network. If this
     // doesn't reproduce, escalate to a JS-heavy page in a follow-up.

crates/obscura-cdp/tests/control_plane_unblocked.rs

@@ -35,7 +35,7 @@ async fn pick_port() -> u16 {
 }
 
 #[tokio::test(flavor = "current_thread")]
-#[ignore = "boots a real CDP server; opt-in with --ignored"]
+
 async fn http_control_plane_unblocked_during_long_js() {
     let port = pick_port().await;
     let port_clone = port;

crates/obscura-cli/build.rs

@@ -1,36 +0,0 @@
-use std::env;
-
-fn env_value(name: &str) -> Option<String> {
-    env::var(name)
-        .ok()
-        .map(|value| value.trim().to_string())
-        .filter(|value| !value.is_empty())
-}
-
-fn normalize_version(version: String) -> String {
-    version.strip_prefix('v').unwrap_or(&version).to_string()
-}
-
-fn github_tag_version() -> Option<String> {
-    if env_value("GITHUB_REF_TYPE").as_deref() == Some("tag") {
-        return env_value("GITHUB_REF_NAME").map(normalize_version);
-    }
-
-    env_value("GITHUB_REF")
-        .and_then(|value| value.strip_prefix("refs/tags/").map(str::to_owned))
-        .map(normalize_version)
-}
-
-fn main() {
-    println!("cargo:rerun-if-env-changed=OBSCURA_VERSION");
-    println!("cargo:rerun-if-env-changed=GITHUB_REF_TYPE");
-    println!("cargo:rerun-if-env-changed=GITHUB_REF_NAME");
-    println!("cargo:rerun-if-env-changed=GITHUB_REF");
-
-    let version = env_value("OBSCURA_VERSION")
-        .map(normalize_version)
-        .or_else(github_tag_version)
-        .unwrap_or_else(|| env::var("CARGO_PKG_VERSION").expect("Cargo sets CARGO_PKG_VERSION"));
-
-    println!("cargo:rustc-env=OBSCURA_BUILD_VERSION={version}");
-}

crates/obscura-cli/src/main.rs

@@ -10,7 +10,7 @@ use tokio::time::{timeout, Duration};
 #[derive(Parser)]
 #[command(
     name = "obscura",
-    version = env!("OBSCURA_BUILD_VERSION"),
+    version = env!("CARGO_PKG_VERSION"),
     about = "Obscura - A lightweight headless browser for web scraping and automation",
 )]
 struct Args {
@@ -189,9 +189,9 @@ fn print_banner(port: u16) {
  | |__| | |_) \__ \ (__| |_| | | | (_| |
   \____/|_.__/|___/\___|\__,_|_|  \__,_|
                    
-  Headless Browser v{}
+  Headless Browser v0.1.6
   CDP server: ws://127.0.0.1:{}/devtools/browser
-"#, env!("OBSCURA_BUILD_VERSION"), port);
+"#, port);
 }
 
 fn select_log_filter(verbose: bool, quiet: bool) -> &'static str {
@@ -215,26 +215,6 @@ fn merge_proxy(global_proxy: Option<String>, command_proxy: Option<String>) -> O
     command_proxy.or(global_proxy)
 }
 
-/// `--stealth` routes outbound traffic through `wreq`, which doesn't speak
-/// SOCKS5. A previous workaround silently rewrote `socks5://` to `http://`,
-/// which broke plain SOCKS5 servers (#160). Refuse the combination at
-/// startup so the user gets a clear message instead of `TunnelUnexpectedEof`.
-fn reject_stealth_with_socks5(proxy: Option<&str>, stealth: bool) -> anyhow::Result<()> {
-    if !stealth {
-        return Ok(());
-    }
-    let Some(p) = proxy else { return Ok(()) };
-    let scheme = p.split("://").next().unwrap_or("").to_ascii_lowercase();
-    if scheme == "socks5" || scheme == "socks5h" {
-        anyhow::bail!(
-            "--stealth does not support SOCKS5 proxies (the stealth HTTP \
-             client cannot reach the upstream). Use --proxy http://... \
-             or drop --stealth."
-        );
-    }
-    Ok(())
-}
-
 /// Normalize a raw `--v8-flags` value into the string we'll hand to V8.
 /// Returns `None` when the user didn't pass the flag, passed an empty string,
 /// or passed only whitespace; in those cases V8 is left untouched.
@@ -283,23 +263,11 @@ async fn main() -> anyhow::Result<()> {
     tracing::debug!("V8 flags: {}", v8_flags);
     obscura_js::set_v8_flags(&v8_flags);
 
-    // The js-side fetch path (op_fetch_url) reads OBSCURA_ALLOW_PRIVATE_NETWORK
-    // directly for its SSRF gate. Mirror the CLI flag into the env var so
-    // iframe loads and JS fetch() see the same policy the http_client layer
-    // already uses (issue #33).
-    if args.allow_private_network {
-        // SAFETY: set_var is unsafe in newer rustc; this runs before any
-        // spawned thread inspects the env, so it's effectively single
-        // threaded at this point.
-        unsafe { std::env::set_var("OBSCURA_ALLOW_PRIVATE_NETWORK", "1"); }
-    }
-
     let global_proxy = args.proxy.clone();
 
     match args.command {
         Some(Command::Serve { port, host, proxy, user_agent, stealth, workers, allow_file_access, storage_dir }) => {
             let proxy = merge_proxy(global_proxy.clone(), proxy);
-            reject_stealth_with_socks5(proxy.as_deref(), stealth)?;
             print_banner(port);
             if let Some(ref dir) = storage_dir {
                 tracing::info!("Storage dir: {}", dir.display());
@@ -330,19 +298,17 @@ async fn main() -> anyhow::Result<()> {
             }
         }
         Some(Command::Fetch { url, dump, selector, wait, timeout, wait_until, user_agent, stealth, eval, output, quiet, storage_dir }) => {
-            reject_stealth_with_socks5(global_proxy.as_deref(), stealth)?;
             run_fetch(&url, dump, selector, wait, timeout, &wait_until, user_agent, stealth, eval, output, quiet, global_proxy, storage_dir, args.allow_private_network).await?;
         }
         Some(Command::Scrape { urls, eval, concurrency, format, timeout, quiet }) => {
             run_parallel_scrape(urls, eval, concurrency.get(), &format, timeout, quiet, global_proxy).await?;
         }
         Some(Command::Mcp { http, port, proxy, user_agent, stealth }) => {
-            let mcp_proxy = merge_proxy(global_proxy.clone(), proxy.clone());
+            let mcp_proxy = merge_proxy(global_proxy.clone(), proxy);
-            reject_stealth_with_socks5(mcp_proxy.as_deref(), stealth)?;
             if http {
-                obscura_mcp::http::run(port, proxy, user_agent, stealth).await?;
+                obscura_mcp::http::run(port, mcp_proxy, user_agent, stealth).await?;
             } else {
-                obscura_mcp::run(proxy, user_agent, stealth).await?;
+                obscura_mcp::run(mcp_proxy, user_agent, stealth).await?;
             }
         }
         None => {
@@ -1114,7 +1080,7 @@ mod tests {
     use super::{
         effective_v8_flags, extract_assets, extract_readable_text, fetch_original_bytes,
         is_quiet_command, link_kind_from_rel, merge_proxy, normalize_v8_flags,
-        reject_stealth_with_socks5, resolve_asset_url, select_log_filter, write_or_print,
+        resolve_asset_url, select_log_filter, write_or_print,
         write_or_print_bytes, Args, Command, DumpFormat, DEFAULT_V8_FLAGS,
     };
     use clap::Parser;
@@ -1388,41 +1354,6 @@ mod tests {
         assert!(merged.contains("--expose-gc"));
     }
 
-    #[test]
-    fn reject_stealth_with_socks5_passes_when_no_stealth() {
-        assert!(reject_stealth_with_socks5(Some("socks5://127.0.0.1:1080"), false).is_ok());
-    }
-
-    #[test]
-    fn reject_stealth_with_socks5_passes_when_no_proxy() {
-        assert!(reject_stealth_with_socks5(None, true).is_ok());
-    }
-
-    #[test]
-    fn reject_stealth_with_socks5_passes_for_http_proxy() {
-        assert!(reject_stealth_with_socks5(Some("http://127.0.0.1:8080"), true).is_ok());
-        assert!(reject_stealth_with_socks5(Some("https://proxy.example:443"), true).is_ok());
-    }
-
-    #[test]
-    fn reject_stealth_with_socks5_fails_for_socks5() {
-        let err = reject_stealth_with_socks5(Some("socks5://127.0.0.1:9999"), true).unwrap_err();
-        assert!(err.to_string().contains("SOCKS5"));
-        assert!(err.to_string().contains("--stealth"));
-    }
-
-    #[test]
-    fn reject_stealth_with_socks5_fails_for_socks5h() {
-        let err = reject_stealth_with_socks5(Some("socks5h://127.0.0.1:9999"), true).unwrap_err();
-        assert!(err.to_string().contains("SOCKS5"));
-    }
-
-    #[test]
-    fn reject_stealth_with_socks5_is_case_insensitive() {
-        let err = reject_stealth_with_socks5(Some("SOCKS5://127.0.0.1:9999"), true).unwrap_err();
-        assert!(err.to_string().contains("SOCKS5"));
-    }
-
     #[test]
     fn parsed_fetch_quiet_resolves_to_off_filter() {
         let args = Args::try_parse_from([

crates/obscura-dom/src/tree.rs

@@ -223,14 +223,6 @@ impl DomTree {
     }
 
     pub fn append_child(&self, parent_id: NodeId, child_id: NodeId) {
-        // Per DOM spec, appending a node to itself is a HierarchyRequestError;
-        // here we treat it as a no-op rather than panic. Without this the
-        // sibling-pointer fixup below sets the node's prev_sibling to itself
-        // and every later child-walk loops forever (same failure mode that
-        // insert_before's self-cycle guard was added to prevent).
-        if parent_id == child_id {
-            return;
-        }
         self.detach(child_id);
 
         let mut inner = self.inner.borrow_mut();
@@ -260,15 +252,6 @@ impl DomTree {
     }
 
     pub fn insert_before(&self, existing_id: NodeId, new_sibling_id: NodeId) {
-        // Per DOM spec: if the node being inserted IS the reference node,
-        // the operation is a no-op (the node is already in its target
-        // position). Without this, the linked-list fixup below sets the
-        // node's prev_sibling and next_sibling to itself, creating a cycle
-        // — every later traversal (childNodes, querySelectorAll, etc) then
-        // loops forever and the test page hangs while obscura burns RAM.
-        if existing_id == new_sibling_id {
-            return;
-        }
         let (parent_id, prev_id) = {
             let inner = self.inner.borrow();
             let node = match inner.nodes.get(existing_id.index()).and_then(|n| n.as_ref()) {
@@ -480,20 +463,6 @@ impl DomTree {
 
     pub fn text_content(&self, node_id: NodeId) -> String {
         let inner = self.inner.borrow();
-        // Per DOM spec, calling textContent ON a CharacterData node
-        // (Text, Comment, ProcessingInstruction) returns its .data.
-        // Calling textContent on an Element walks descendants and
-        // concatenates Text node content only (Comment + PI are
-        // skipped). Handle the direct-CharacterData case here so the
-        // descent helper can keep its element-centric behavior.
-        if let Some(Some(node)) = inner.nodes.get(node_id.index()) {
-            match &node.data {
-                NodeData::Text { contents } => return contents.clone(),
-                NodeData::Comment { contents } => return contents.clone(),
-                NodeData::ProcessingInstruction { data, .. } => return data.clone(),
-                _ => {}
-            }
-        }
         let mut result = String::new();
         collect_text_inner(&inner, node_id, &mut result);
         result
@@ -601,10 +570,6 @@ fn collect_text_inner(inner: &DomTreeInner, node_id: NodeId, buf: &mut String) {
     if let Some(Some(node)) = inner.nodes.get(node_id.index()) {
         match &node.data {
             NodeData::Text { contents } => buf.push_str(contents),
-            // Comment and ProcessingInstruction are intentionally NOT
-            // appended when traversing descendants: per spec, textContent
-            // on an Element only includes Text descendants. Direct
-            // textContent on a Comment/PI is handled by the caller.
             _ => {
                 let mut child = node.first_child;
                 while let Some(child_id) = child {

crates/obscura-js/js/bootstrap.js

@@ -9,42 +9,19 @@ globalThis.onerror = function(msg, src, line, col, error) {
   globalThis.__obscura_errors.push({msg: String(msg), src: String(src||""), line, error: String(error||"")});
 };
 globalThis.__windowListeners = {};
-globalThis.addEventListener = function(type, fn, opts) {
+globalThis.addEventListener = function(type, fn) {
-  if (typeof fn !== 'function' &&
-      !(fn && typeof fn === 'object' && typeof fn.handleEvent === 'function')) return;
-  const once = !!(opts && typeof opts === 'object' && opts.once === true);
-  const capture = (typeof opts === 'boolean') ? opts : !!(opts && opts.capture);
   if (!globalThis.__windowListeners[type]) globalThis.__windowListeners[type] = [];
-  const arr = globalThis.__windowListeners[type];
+  globalThis.__windowListeners[type].push(fn);
-  for (const e of arr) if (e.handler === fn && e.capture === capture) return;
-  arr.push({ handler: fn, once, capture });
 };
-globalThis.removeEventListener = function(type, fn, opts) {
+globalThis.removeEventListener = function(type, fn) {
-  const capture = (typeof opts === 'boolean') ? opts : !!(opts && opts.capture);
   if (globalThis.__windowListeners[type]) {
-    globalThis.__windowListeners[type] = globalThis.__windowListeners[type]
+    globalThis.__windowListeners[type] = globalThis.__windowListeners[type].filter(h => h !== fn);
-      .filter(e => !(e.handler === fn && e.capture === capture));
   }
 };
 globalThis.dispatchEvent = function(event) {
   if (!event) return true;
-  if (!event.target) event.target = globalThis;
+  const handlers = globalThis.__windowListeners[event.type] || [];
-  event.currentTarget = globalThis;
+  for (const h of handlers) { try { h.call(globalThis, event); } catch(e) { console.error(e); } }
-  const slot = globalThis.__windowListeners[event.type] || [];
-  const handlers = slot.slice();
-  for (const entry of handlers) {
-    const h = entry && entry.handler;
-    if (!h) continue;
-    try {
-      if (typeof h === 'function') h.call(globalThis, event);
-      else if (typeof h.handleEvent === 'function') h.handleEvent(event);
-    } catch (e) { console.error(e); }
-    if (entry.once) {
-      const i = slot.indexOf(entry);
-      if (i !== -1) slot.splice(i, 1);
-    }
-    if (event && event._immediatePropagationStopped) break;
-  }
   return !event.defaultPrevented;
 };
 
@@ -258,14 +235,7 @@ class Node {
   get nodeType() { return +_dom("node_type", this._nid); }
   get nodeName() { return _domParse("node_name", this._nid) || ""; }
   get ownerDocument() { return globalThis.document; }
-  get textContent() {
+  get textContent() { return _domParse("text_content", this._nid) ?? ""; }
-    // Per DOM spec: textContent returns null for Document and DocumentType.
-    // Everything else returns the concatenated text of descendants
-    // (or the node's data for Text/Comment/PI/Attr).
-    const t = this.nodeType;
-    if (t === 9 || t === 10) return null;
-    return _domParse("text_content", this._nid) ?? "";
-  }
   set textContent(v) {
     const oldChildren = _domParse("child_nodes", this._nid) || [];
     for (const c of oldChildren) _dom("remove_child", c);
@@ -304,29 +274,7 @@ class Node {
   get nextSibling() { return _wrap(+_dom("next_sibling", this._nid)); }
   get previousSibling() { return _wrap(+_dom("prev_sibling", this._nid)); }
   appendChild(c) {
-    if (!c || typeof c._nid !== 'number') return c;
+    if (!c) return c;
-    if (c._nid === this._nid) return c;
-    // DocumentFragment per spec: move its children up to `this` and leave
-    // the fragment empty. Pages that build subtrees off-DOM (Bing's
-    // anti-malware shim, Google Shopping result rows, React/Preact
-    // hydration) appendChild a fragment and then read its former
-    // children's properties; without flattening, the fragment node
-    // itself gets grafted and the next `.something.length` access on
-    // the assumed-Element children explodes with
-    // "Cannot read properties of undefined (reading 'length')".
-    if (c.nodeType === 11) {
-      const kids = (c.childNodes || []).slice();
-      const added = [];
-      for (const k of kids) {
-        if (typeof k._nid !== 'number') continue;
-        _dom("append_child", this._nid, k._nid);
-        added.push(k._nid);
-      }
-      if (globalThis.__mutationObservers?.length && added.length) {
-        globalThis.__notifyMutation('childList', this._nid, added, []);
-      }
-      return c;
-    }
     _dom("append_child", this._nid, c._nid);
     if (globalThis.__mutationObservers?.length) globalThis.__notifyMutation('childList', this._nid, [c._nid], []);
     if (c instanceof Element && c.tagName === 'SCRIPT') {
@@ -390,40 +338,14 @@ class Node {
     return c;
   }
   replaceChild(newChild, oldChild) {
-    if (!oldChild || !newChild || typeof oldChild._nid !== 'number') return oldChild;
+    if (!oldChild || !newChild) return oldChild;
-    if (newChild.nodeType === 11) {
-      // Flatten fragment: insert each child before oldChild, then remove oldChild.
-      // op_dom("insert_before", newNode, refNode) -> insert newNode before refNode.
-      const kids = (newChild.childNodes || []).slice();
-      for (const k of kids) {
-        if (typeof k._nid !== 'number') continue;
-        if (k._nid === oldChild._nid) continue;
-        _dom("insert_before", k._nid, oldChild._nid);
-      }
-      _dom("remove_child", oldChild._nid);
-      return oldChild;
-    }
-    if (typeof newChild._nid !== 'number') return oldChild;
-    if (newChild._nid === oldChild._nid) return oldChild;
     _dom("insert_before", newChild._nid, oldChild._nid);
     _dom("remove_child", oldChild._nid);
     return oldChild;
   }
   insertBefore(n, ref) {
-    if (!n || typeof n._nid !== 'number') return n;
+    if (!n) return n;
     if (!ref) { this.appendChild(n); return n; }
-    if (typeof ref._nid !== 'number') return n;
-    // DocumentFragment: flatten — insert each child of the fragment
-    // before ref (in order), then leave the fragment empty.
-    if (n.nodeType === 11) {
-      const kids = (n.childNodes || []).slice();
-      for (const k of kids) {
-        if (typeof k._nid !== 'number') continue;
-        if (k._nid === ref._nid) continue;
-        _dom("insert_before", k._nid, ref._nid);
-      }
-      return n;
-    }
     _dom("insert_before", n._nid, ref._nid);
     return n;
   }
@@ -546,13 +468,6 @@ class Comment extends CharacterData {
   cloneNode() { return document.createComment(this.data); }
 }
 
-class ProcessingInstruction extends CharacterData {
-  get nodeName() { return this.target || ""; }
-  get nodeType() { return 7; }
-  get target() { return this._target || _domParse("pi_target", this._nid) || ""; }
-  cloneNode() { return document.createProcessingInstruction(this.target, this.data); }
-}
-
 class Element extends Node {
   constructor(nid) {
     super(nid);
@@ -565,11 +480,8 @@ class Element extends Node {
   get className() { return this.getAttribute("class") || ""; }
   set className(v) { this.setAttribute("class", v); }
   get namespaceURI() {
-    if (this._ns !== undefined) {
-      return this._ns === "" ? null : this._ns;
-    }
     const tag = this.localName;
-    if (tag === "svg") return "http://www.w3.org/2000/svg";
+    if (tag === "svg" || this._ns === "http://www.w3.org/2000/svg") return "http://www.w3.org/2000/svg";
     return "http://www.w3.org/1999/xhtml";
   }
   get innerHTML() { return _domParse("inner_html", this._nid) ?? ""; }
@@ -722,61 +634,16 @@ class Element extends Node {
         break;
     }
   }
-  // testharness.js's output renderer calls insertAdjacentText on its
-  // results table. Without this, the renderer throws inside a forEach
-  // that has no try/catch and the chain of completion callbacks dies
-  // before reaching our runner hook, so EVERY WPT test with subtests
-  // looked like a timeout. Adding this method unblocks the harness
-  // pipeline and surfaces real subtest pass/fail.
-  insertAdjacentText(position, text) {
-    const node = document.createTextNode(String(text));
-    const parent = this.parentNode;
-    switch (position) {
-      case 'beforebegin': if (parent) parent.insertBefore(node, this); break;
-      case 'afterbegin': this.insertBefore(node, this.firstChild); break;
-      case 'beforeend': this.appendChild(node); break;
-      case 'afterend': if (parent) parent.insertBefore(node, this.nextSibling); break;
-    }
-  }
-  insertAdjacentElement(position, element) {
-    if (!element || element.nodeType !== 1) return null;
-    const parent = this.parentNode;
-    switch (position) {
-      case 'beforebegin': if (parent) { parent.insertBefore(element, this); return element; } return null;
-      case 'afterbegin': this.insertBefore(element, this.firstChild); return element;
-      case 'beforeend': this.appendChild(element); return element;
-      case 'afterend': if (parent) { parent.insertBefore(element, this.nextSibling); return element; } return null;
-    }
-    return null;
-  }
   addEventListener(type, handler, opts) {
-    // Per DOM spec, a listener can be a function OR an object with a
-    // `handleEvent` method. Anything else is silently ignored. Without
-    // this filter, passing null/string/number used to push a non-callable
-    // into the handler array and explode at dispatch time.
-    if (typeof handler !== 'function' &&
-        !(handler && typeof handler === 'object' && typeof handler.handleEvent === 'function')) {
-      return;
-    }
-    const once = opts && typeof opts === 'object' && opts.once === true;
-    const capture = (typeof opts === 'boolean') ? opts : !!(opts && opts.capture);
-    const passive = !!(opts && typeof opts === 'object' && opts.passive);
     const key = this._nid;
     if (!_eventRegistry[key]) _eventRegistry[key] = {};
     if (!_eventRegistry[key][type]) _eventRegistry[key][type] = [];
-    // Dedupe: spec says same (type, callback, capture) is a no-op.
+    _eventRegistry[key][type].push(handler);
-    const arr = _eventRegistry[key][type];
-    for (const e of arr) {
-      if (e.handler === handler && e.capture === capture) return;
-    }
-    arr.push({ handler, once, capture, passive });
   }
-  removeEventListener(type, handler, opts) {
+  removeEventListener(type, handler) {
     const key = this._nid;
-    const capture = (typeof opts === 'boolean') ? opts : !!(opts && opts.capture);
     if (_eventRegistry[key] && _eventRegistry[key][type]) {
-      _eventRegistry[key][type] = _eventRegistry[key][type]
+      _eventRegistry[key][type] = _eventRegistry[key][type].filter(h => h !== handler);
-        .filter(e => !(e.handler === handler && e.capture === capture));
     }
   }
   dispatchEvent(event) {
@@ -797,25 +664,9 @@ class Element extends Node {
         if (ret === false) event.preventDefault();
       } catch(e) { console.error(e); }
     }
-    // Snapshot the listener list — `once: true` listeners are removed
+    const handlers = (_eventRegistry[this._nid] || {})[event.type] || [];
-    // during dispatch, but spec says dispatched listeners are captured
+    for (const h of handlers) {
-    // before the loop starts.
+      try { h.call(this, event); } catch(e) { console.error(e); }
-    const slot = (_eventRegistry[this._nid] || {})[event.type] || [];
-    const handlers = slot.slice();
-    for (const entry of handlers) {
-      const h = entry && entry.handler;
-      if (!h) continue;
-      try {
-        if (typeof h === 'function') {
-          h.call(this, event);
-        } else if (typeof h.handleEvent === 'function') {
-          h.handleEvent(event);
-        }
-      } catch (e) { console.error(e); }
-      if (entry.once) {
-        const i = slot.indexOf(entry);
-        if (i !== -1) slot.splice(i, 1);
-      }
       if (event._immediatePropagationStopped) break;
     }
     if (event.bubbles && !event._propagationStopped && this.parentNode) {
@@ -920,49 +771,8 @@ class Element extends Node {
   set name(v) { this.setAttribute("name", v); }
   get placeholder() { return this.getAttribute("placeholder") || ""; }
   set placeholder(v) { this.setAttribute("placeholder", v); }
-  get href() {
+  get href() { return this.getAttribute("href") || ""; }
-    const raw = this.getAttribute("href");
-    if (raw == null) return "";
-    // Per spec, HTMLAnchorElement.href / HTMLAreaElement.href returns the
-    // serialized resolved URL (the content attribute resolved against the
-    // document base). Bing's anti-malware shim and many other libraries
-    // rely on this resolution to read `.hostname` / `.protocol`. We only
-    // resolve for <a>/<area>/<base>/<link> so other elements that happen
-    // to carry an `href` attribute (custom elements, SVG <a>, etc) keep
-    // the raw value they were assigned.
-    const tag = this.localName;
-    if (tag === 'a' || tag === 'area' || tag === 'base' || tag === 'link') {
-      try {
-        return new URL(raw, _domParse("document_url") || globalThis.location?.href || "about:blank").href;
-      } catch { return raw; }
-    }
-    return raw;
-  }
   set href(v) { this.setAttribute("href", v); }
-  // URL-decomposition IDL attributes for <a> / <area>. Without these,
-  // libraries that build an anchor and read parts of the resolved URL
-  // (Bing's CI.AntiMalware shim does `n=createElement("A"); n.href=src;
-  // n.hostname.length`) crash with "Cannot read properties of undefined".
-  _urlPart(part) {
-    const tag = this.localName;
-    if (tag !== 'a' && tag !== 'area') return "";
-    const raw = this.getAttribute("href");
-    if (raw == null || raw === "") return "";
-    try {
-      const u = new URL(raw, _domParse("document_url") || globalThis.location?.href || "about:blank");
-      return u[part] || "";
-    } catch { return ""; }
-  }
-  get origin() { return this._urlPart('origin'); }
-  get protocol() { return this._urlPart('protocol'); }
-  get username() { return this._urlPart('username'); }
-  get password() { return this._urlPart('password'); }
-  get host() { return this._urlPart('host'); }
-  get hostname() { return this._urlPart('hostname'); }
-  get port() { return this._urlPart('port'); }
-  get pathname() { return this._urlPart('pathname'); }
-  get search() { return this._urlPart('search'); }
-  get hash() { return this._urlPart('hash'); }
   get src() { return this.getAttribute("src") || ""; }
   set src(v) {
     this.setAttribute("src", v);
@@ -986,7 +796,6 @@ class Element extends Node {
         el._iframeWin = new _IframeWindow(el._iframeDoc, fullUrl);
       }
       _registerIframe(el);
-      _activateIframe(el);
       if (typeof el.onload === 'function') {
         try { el.onload(); } catch(e) {}
       } else {
@@ -1282,24 +1091,6 @@ class Document extends Node {
     _cache.set(nid, n);
     return n;
   }
-  createProcessingInstruction(target, data) {
-    // Spec: target must be a valid XML Name, data must not contain "?>".
-    // Throw InvalidCharacterError on either violation. Simplified XML
-    // Name check (first char + remainder is enough for the WPT tests).
-    const t = String(target);
-    const d = String(data ?? "");
-    if (!t.length || !/^[A-Za-z_:][\w.\-:]*$/.test(t)) {
-      const e = new Error("InvalidCharacterError"); e.name = "InvalidCharacterError"; throw e;
-    }
-    if (d.indexOf("?>") !== -1) {
-      const e = new Error("InvalidCharacterError"); e.name = "InvalidCharacterError"; throw e;
-    }
-    const nid = +_dom("create_processing_instruction", t, d);
-    const n = new ProcessingInstruction(nid);
-    n._target = t;
-    _cache.set(nid, n);
-    return n;
-  }
   createDocumentFragment() {
     const nid = +_dom("create_document_fragment");
     const frag = new DocumentFragment(nid);
@@ -1469,19 +1260,6 @@ class Document extends Node {
         const html = `<${safe}></${safe}>`;
         return new DOMParser().parseFromString(html, "application/xml");
       },
-      // DOM Level 2: a DocumentType node usable as the third arg of
-      // createDocument(). We allocate a Doctype node in the DOM tree and
-      // wrap it. The new node is detached (no parent) which matches the
-      // spec; callers like createDocument(ns, name, doctype) attach it.
-      createDocumentType(name, publicId, systemId) {
-        const nid = +_dom("create_doctype", String(name || ""), String(publicId || ""));
-        // ops.rs::create_doctype takes (name, publicId) — systemId stored
-        // here only in the JS wrapper since neither current test consumes
-        // it from the underlying tree.
-        const dt = new DocumentType(nid, String(name || ""), String(publicId || ""), String(systemId || ""));
-        _cache.set(nid, dt);
-        return dt;
-      },
       hasFeature() { return true; },
     };
   }
@@ -1578,16 +1356,8 @@ function _wrap(nid) {
   let n;
   if (t === 1) { const C = _elementClassFor(nid); n = new C(nid); }
   else if (t === 3) n = new Text(nid);
-  else if (t === 7) n = new ProcessingInstruction(nid);
   else if (t === 8) n = new Comment(nid);
   else if (t === 9) n = new Document(nid);
-  else if (t === 10) {
-    // DocumentType wrapper. Pull the name/publicId from the tree so
-    // the wrapper exposes the spec'd .name / .publicId getters.
-    const name = _domParse("doctype_name", nid) || "";
-    const publicId = _domParse("doctype_public_id", nid) || "";
-    n = new DocumentType(nid, name, publicId, "");
-  }
   else n = new Node(nid);
   _cache.set(nid, n);
   return n;
@@ -1683,9 +1453,6 @@ Object.defineProperty(globalThis.Window, Symbol.hasInstance, {
 
 const _iframeRegistry = [];
 function _registerIframe(iframeEl) {
-  // Same iframe element can have its src reassigned; we don't want to
-  // double-register and fan out events twice to the same window.
-  if (_iframeRegistry.indexOf(iframeEl) !== -1) return;
   const idx = _iframeRegistry.length;
   _iframeRegistry.push(iframeEl);
   globalThis.length = _iframeRegistry.length;
@@ -1695,29 +1462,6 @@ function _registerIframe(iframeEl) {
     enumerable: false,
   });
 }
-// Run inline <script> blocks from the iframe HTML in the parent realm
-// (we don't have per-frame realms) and rewire <body onfoo="..."> handler
-// attributes as window-level listeners on the iframe window.
-function _activateIframe(iframeEl) {
-  const doc = iframeEl._iframeDoc;
-  const win = iframeEl._iframeWin;
-  if (!doc || !win) return;
-  if (Array.isArray(doc._inlineScripts)) {
-    for (const src of doc._inlineScripts) {
-      try { (0, eval)(src); } catch (e) {}
-    }
-  }
-  if (doc._bodyHandlers) {
-    for (const onName of Object.keys(doc._bodyHandlers)) {
-      const type = onName.slice(2); // "onstorage" -> "storage"
-      const code = doc._bodyHandlers[onName];
-      const handler = function(event) {
-        try { (new Function('event', code)).call(win, event); } catch (e) {}
-      };
-      try { win.addEventListener(type, handler); } catch (e) {}
-    }
-  }
-}
 globalThis.navigator = {
   get userAgent() { return globalThis.__obscura_ua || "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36"; },
   get appVersion() { return this.userAgent.replace('Mozilla/', ''); },
@@ -1741,6 +1485,7 @@ globalThis.navigator = {
     p.item = (i) => p[i] || null;
     p.namedItem = (name) => p.find(x => x.name === name) || null;
     p.refresh = () => {};
+    p[Symbol.iterator] = function() { return this[Symbol.iterator](); };
     return p;
   },
   get mimeTypes() {
@@ -1798,18 +1543,75 @@ globalThis.navigator = {
   getGamepads() { return []; },
   sendBeacon() { return true; },
   javaEnabled() { return false; },
+  geolocation: {
+    getCurrentPosition(success, error) {
+      const coords = {
+        latitude: 50.1109 + (_fpRand(500) - 0.5) * 0.1,
+        longitude: 8.6821 + (_fpRand(501) - 0.5) * 0.1,
+        accuracy: 10 + _fpRand(502) * 40,
+        altitude: null,
+        altitudeAccuracy: null,
+        heading: null,
+        speed: null,
+      };
+      const pos = { coords, timestamp: Date.now() };
+      if (typeof success === 'function') success(pos);
+    },
+    watchPosition(success, error) {
+      if (typeof success === 'function') {
+        const coords = {
+          latitude: 50.1109 + (_fpRand(503) - 0.5) * 0.1,
+          longitude: 8.6821 + (_fpRand(504) - 0.5) * 0.1,
+          accuracy: 10 + _fpRand(505) * 40,
+          altitude: null,
+          altitudeAccuracy: null,
+          heading: null,
+          speed: null,
+        };
+        success({ coords, timestamp: Date.now() });
+      }
+      return 0;
+    },
+    clearWatch() {},
+  },
+  storage: {
+    estimate() { return Promise.resolve({ quota: 5000000000, usage: Math.floor(_fpRand(640) * 100000000) }); },
+    persist() { return Promise.resolve(false); },
+    persisted() { return Promise.resolve(false); },
+  },
 };
 
 globalThis.chrome = {
   app: { isInstalled: false, InstallState: { DISABLED: "disabled", INSTALLED: "installed", NOT_INSTALLED: "not_installed" }, RunningState: { CANNOT_RUN: "cannot_run", READY_TO_RUN: "ready_to_run", RUNNING: "running" } },
   runtime: { OnInstalledReason: {}, OnRestartRequiredReason: {}, PlatformArch: {}, PlatformNaclArch: {}, PlatformOs: {}, RequestUpdateCheckStatus: {}, connect() { return {}; }, sendMessage() {} },
-  csi() { return {}; },
+  csi() {
-  loadTimes() { return {}; },
+    const t = Date.now();
+    return { onloadT: t, startE: t - Math.floor(100 + _fpRand(610) * 200), pageT: 0, tran: 5, flashVersion: "" };
+  },
+  loadTimes() {
+    const t = Date.now() / 1000;
+    const request = t - 0.5 - _fpRand(611) * 0.5;
+    const startLoad = request + 0.05 + _fpRand(612) * 0.02;
+    const commit = request + 0.3 + _fpRand(613) * 0.4;
+    const finishDoc = commit + 0.1 + _fpRand(614) * 0.2;
+    const finish = finishDoc + 0.05 + _fpRand(615) * 0.1;
+    const firstPaint = commit + 0.03 + _fpRand(616) * 0.1;
+    const navTypes = ["BackForward","Reload","Link","Other"];
+    return {
+      requestTime: request, startLoadTime: startLoad * 1000, commitLoadTime: commit * 1000,
+      finishDocumentLoadTime: finishDoc * 1000, finishLoadTime: finish * 1000,
+      firstPaintTime: firstPaint * 1000, firstPaintAfterLoadTime: 0,
+      navigationType: navTypes[Math.floor(_fpRand(617) * 4)],
+      wasFetchedViaSpdy: false, wasNpnNegotiated: false,
+      npnNegotiatedProtocol: "http/1.1",
+      wasAlternateProtocolAvailable: false, connectionInfo: "http/1.1",
+    };
+  },
 };
 
 globalThis.Notification = class Notification {
   static permission = "default";
-  static requestPermission() { return Promise.resolve("default"); }
+  static requestPermission() { return Promise.resolve(Notification.permission); }
   constructor() {}
 };
 
@@ -1819,8 +1621,8 @@ globalThis.WebGL2RenderingContext = class WebGL2RenderingContext {};
 globalThis.screen = { width:1920, height:1080, availWidth:1920, availHeight:1040, colorDepth:24, pixelDepth:24, availTop:0, availLeft:0, orientation:{type:"landscape-primary",angle:0,addEventListener(){},removeEventListener(){},dispatchEvent(){return true;}} };
 globalThis.visualViewport = { width:1920, height:1000, offsetLeft:0, offsetTop:0, scale:1, addEventListener(){}, removeEventListener(){} };
 globalThis.devicePixelRatio = 1;
-globalThis.innerWidth = 1280; globalThis.innerHeight = 720;
+globalThis.innerWidth = 1920; globalThis.innerHeight = 1000;
-globalThis.outerWidth = 1280; globalThis.outerHeight = 720;
+globalThis.outerWidth = 1920; globalThis.outerHeight = 1080;
 globalThis.scrollX = 0; globalThis.scrollY = 0;
 globalThis.pageXOffset = 0; globalThis.pageYOffset = 0;
 
@@ -2811,104 +2613,8 @@ globalThis.MessageEvent = class extends Event { constructor(t,o={}) { super(t,o)
 globalThis.ClipboardEvent = class extends Event {};
 globalThis.SubmitEvent = class extends Event {};
 
-// AbortSignal is an EventTarget that crawlers wire up to cancel
+globalThis.AbortController = class AbortController { constructor(){this.signal={aborted:false,addEventListener(){},removeEventListener(){},onabort:null};} abort(){this.signal.aborted=true;} };
-// long-running fetches and worker jobs. The previous shim was a plain
+globalThis.AbortSignal = { timeout(ms){return {aborted:false,addEventListener(){},removeEventListener(){}}; } };
-// object with stub addEventListener/removeEventListener, so listeners
-// for 'abort' silently never fired and any AbortSignal.timeout/.any
-// chains broke. We can't extend EventTarget here because the snapshot
-// build evaluates bootstrap.js top-to-bottom and EventTarget is
-// assigned later (and as Node, which AbortSignal is not). Inline the
-// event-target surface instead.
-globalThis.AbortSignal = class AbortSignal {
-  constructor() {
-    this._aborted = false;
-    this._reason = undefined;
-    this._listeners = { abort: [] };
-    this.onabort = null;
-  }
-  get aborted() { return this._aborted; }
-  get reason() {
-    if (!this._aborted) return undefined;
-    return this._reason !== undefined
-      ? this._reason
-      : new DOMException('signal is aborted without reason', 'AbortError');
-  }
-  throwIfAborted() {
-    if (this._aborted) throw this.reason;
-  }
-  addEventListener(type, fn) {
-    if (typeof fn !== 'function') return;
-    (this._listeners[type] = this._listeners[type] || []).push(fn);
-  }
-  removeEventListener(type, fn) {
-    const arr = this._listeners[type];
-    if (!arr) return;
-    const i = arr.indexOf(fn);
-    if (i !== -1) arr.splice(i, 1);
-  }
-  dispatchEvent(ev) {
-    const arr = this._listeners[ev && ev.type] || [];
-    for (const h of arr.slice()) {
-      try { h.call(this, ev); } catch (e) {}
-    }
-    return true;
-  }
-  _fireAbort() {
-    const ev = (typeof Event === 'function') ? new Event('abort') : { type: 'abort', target: this };
-    try { ev.target = this; } catch (e) {}
-    try { if (typeof this.onabort === 'function') this.onabort.call(this, ev); } catch (e) {}
-    this.dispatchEvent(ev);
-  }
-  static abort(reason) {
-    const s = new AbortSignal();
-    s._aborted = true;
-    s._reason = reason;
-    return s;
-  }
-  static timeout(ms) {
-    const s = new AbortSignal();
-    setTimeout(() => {
-      if (s._aborted) return;
-      s._aborted = true;
-      s._reason = new DOMException('signal timed out', 'TimeoutError');
-      s._fireAbort();
-    }, Number(ms) || 0);
-    return s;
-  }
-  static any(signals) {
-    const s = new AbortSignal();
-    const list = Array.from(signals || []);
-    for (const child of list) {
-      if (!(child instanceof AbortSignal)) continue;
-      if (child.aborted) {
-        s._aborted = true;
-        s._reason = child.reason;
-        return s;
-      }
-    }
-    const onChildAbort = function(ev) {
-      if (s._aborted) return;
-      const src = ev && ev.target;
-      s._aborted = true;
-      s._reason = src && src.reason;
-      s._fireAbort();
-    };
-    for (const child of list) {
-      if (!(child instanceof AbortSignal)) continue;
-      try { child.addEventListener('abort', onChildAbort); } catch (e) {}
-    }
-    return s;
-  }
-};
-globalThis.AbortController = class AbortController {
-  constructor() { this.signal = new AbortSignal(); }
-  abort(reason) {
-    if (this.signal._aborted) return;
-    this.signal._aborted = true;
-    this.signal._reason = reason;
-    this.signal._fireAbort();
-  }
-};
 if (typeof Blob === "undefined") globalThis.Blob = class Blob { constructor(parts=[],opts={}){this._data=parts.join("");this.size=this._data.length;this.type=opts.type||"";} async text(){return this._data;} };
 if (typeof File === "undefined") globalThis.File = class extends Blob { constructor(parts,name,opts){super(parts,opts);this.name=name;} };
 if (typeof FormData === "undefined") globalThis.FormData = class FormData { constructor(){this._d=[];} append(k,v){this._d.push([k,v]);} get(k){const e=this._d.find(([a])=>a===k);return e?e[1]:null;} getAll(k){return this._d.filter(([a])=>a===k).map(([,v])=>v);} has(k){return this._d.some(([a])=>a===k);} entries(){return this._d[Symbol.iterator]();} forEach(cb){this._d.forEach(([k,v])=>cb(v,k));} };
@@ -3051,22 +2757,50 @@ globalThis.performance = globalThis.performance || {
   },
 };
 
+var _commonFonts = [
+  'Arial', 'Arial Black', 'Arial Narrow',
+  'Baskerville', 'Book Antiqua',
+  'Calibri', 'Cambria', 'Candara', 'Consolas', 'Courier New',
+  'DejaVu Sans', 'DejaVu Sans Mono', 'DejaVu Serif',
+  'Futura',
+  'Garamond', 'Georgia', 'Gill Sans',
+  'Helvetica',
+  'Impact',
+  'Liberation Sans', 'Liberation Sans Mono', 'Liberation Serif',
+  'Lucida Console', 'Lucida Handwriting',
+  'Microsoft Sans Serif', 'Monaco',
+  'Noto Sans', 'Noto Serif',
+  'Palatino Linotype',
+  'Segoe UI',
+  'Tahoma', 'Times New Roman', 'Trebuchet MS',
+  'Verdana',
+  'Webdings', 'Wingdings',
+];
 Object.defineProperty(Document.prototype, 'fonts', {
   get() {
-    return {
+    const _set = _commonFonts.map((name, i) => ({
-      ready: Promise.resolve(),
+      family: name, style: 'normal', weight: '400', stretch: 'normal',
-      check() { return true; },
+      status: 'loaded', loaded: Promise.resolve(this),
-      load() { return Promise.resolve([]); },
+      [Symbol.toStringTag]: 'FontFace',
-      add() {},
+    }));
-      delete() { return false; },
+    _set.forEach = (fn) => { _set.forEach(fn); };
-      clear() {},
+    _set.has = (f) => typeof f === 'string'
-      has() { return false; },
+      ? _commonFonts.some(n => n.toLowerCase() === f.toLowerCase())
-      forEach() {},
+      : _set.some(ff => ff.family === f?.family);
-      get size() { return 0; },
+    _set.delete = (f) => false;
-      get status() { return 'loaded'; },
+    _set.clear = () => {};
-      addEventListener() {}, removeEventListener() {}, dispatchEvent() { return true; },
+    _set.add = () => {};
-      [Symbol.iterator]() { return [][Symbol.iterator](); },
+    _set.load = () => Promise.resolve(_set);
+    _set.check = (font) => {
+      const m = typeof font === 'string' ? font.match(/["']([^"']+)["']/) : null;
+      return m ? _commonFonts.some(n => n.toLowerCase() === m[1].toLowerCase()) : true;
     };
+    _set.ready = Promise.resolve(_set);
+    _set.status = 'loaded';
+    _set.addEventListener = () => {};
+    _set.removeEventListener = () => {};
+    _set.dispatchEvent = () => true;
+    return _set;
   },
   configurable: true,
 });
@@ -3075,78 +2809,10 @@ globalThis.structuredClone = globalThis.structuredClone || ((v) => JSON.parse(JS
 globalThis.reportError = globalThis.reportError || ((e) => console.error(e));
 
 globalThis.Storage = function Storage() {};
-// StorageEvent: dispatched on window when localStorage / sessionStorage
+Storage.prototype.getItem = function(k) { return (this._data && this._data[k]) ?? null; };
-// mutates. Per spec, the same window does NOT receive the event for its
+Storage.prototype.setItem = function(k, v) { if (this._data) this._data[k] = String(v); };
-// own writes, but for an in-process single-page shim we dispatch
+Storage.prototype.removeItem = function(k) { if (this._data) delete this._data[k]; };
-// regardless so test code that registers a listener and writes from the
+Storage.prototype.clear = function() { if (this._data) for (var k in this._data) delete this._data[k]; };
-// same window can observe the event (which is what every webstorage WPT
-// test does).
-globalThis.StorageEvent = class StorageEvent extends Event {
-  constructor(type, init) {
-    init = init || {};
-    super(type, init);
-    this.key = init.key !== undefined ? init.key : null;
-    this.oldValue = init.oldValue !== undefined ? init.oldValue : null;
-    this.newValue = init.newValue !== undefined ? init.newValue : null;
-    this.url = init.url !== undefined ? init.url : (globalThis.location ? globalThis.location.href : '');
-    this.storageArea = init.storageArea !== undefined ? init.storageArea : null;
-  }
-};
-function _dispatchStorageEvent(area, key, oldValue, newValue) {
-  try {
-    const mkEvent = () => new StorageEvent('storage', {
-      key: key,
-      oldValue: oldValue == null ? null : String(oldValue),
-      newValue: newValue == null ? null : String(newValue),
-      url: globalThis.location ? globalThis.location.href : '',
-      storageArea: area,
-      bubbles: false,
-      cancelable: false,
-    });
-    Promise.resolve().then(() => {
-      try { globalThis.dispatchEvent(mkEvent()); } catch (e) {}
-      // Per spec the originating window does NOT receive the event, but
-      // other same-origin browsing contexts do. We fire on the parent
-      // and every iframe window so cross-frame storage listeners (used
-      // by webstorage WPT tests) see the change.
-      try {
-        const reg = (typeof _iframeRegistry !== 'undefined') ? _iframeRegistry : [];
-        for (const el of reg) {
-          const win = el && el._iframeWin;
-          if (!win) continue;
-          try { win.dispatchEvent(mkEvent()); } catch (e) {}
-        }
-      } catch (e) {}
-    });
-  } catch (e) {}
-}
-Storage.prototype.getItem = function(k) {
-  const v = this._data ? this._data[String(k)] : undefined;
-  return v == null ? null : String(v);
-};
-Storage.prototype.setItem = function(k, v) {
-  if (!this._data) return;
-  const key = String(k);
-  const newValue = String(v);
-  const oldValue = Object.prototype.hasOwnProperty.call(this._data, key) ? this._data[key] : null;
-  if (oldValue === newValue) return;
-  this._data[key] = newValue;
-  _dispatchStorageEvent(this, key, oldValue, newValue);
-};
-Storage.prototype.removeItem = function(k) {
-  if (!this._data) return;
-  const key = String(k);
-  if (!Object.prototype.hasOwnProperty.call(this._data, key)) return;
-  const oldValue = this._data[key];
-  delete this._data[key];
-  _dispatchStorageEvent(this, key, oldValue, null);
-};
-Storage.prototype.clear = function() {
-  if (!this._data) return;
-  const hadAny = Object.keys(this._data).length > 0;
-  for (var k in this._data) delete this._data[k];
-  if (hadAny) _dispatchStorageEvent(this, null, null, null);
-};
 Object.defineProperty(Storage.prototype, 'length', { get: function() { return this._data ? Object.keys(this._data).length : 0; } });
 Storage.prototype.key = function(i) { return this._data ? Object.keys(this._data)[i] ?? null : null; };
 
@@ -3299,8 +2965,11 @@ globalThis.Range = class Range { setStart(){} setEnd(){} collapse(){} selectNode
 
 [
   navigator.getBattery, navigator.getGamepads, navigator.sendBeacon,
-  navigator.javaEnabled, navigator.serviceWorker?.register,
+  navigator.javaEnabled, navigator.geolocation?.getCurrentPosition,
+  navigator.geolocation?.watchPosition,
+  navigator.serviceWorker?.register,
   navigator.permissions?.query, navigator.credentials?.get,
+  navigator.storage?.estimate, navigator.storage?.persist, navigator.storage?.persisted,
   globalThis.fetch, globalThis.matchMedia, globalThis.getComputedStyle,
   globalThis.getSelection, globalThis.requestAnimationFrame,
   globalThis.cancelAnimationFrame, globalThis.setTimeout, globalThis.clearTimeout,
@@ -3361,42 +3030,11 @@ class _IframeDocument {
     this._body = document.createElement('body');
     this._root.appendChild(this._head);
     this._root.appendChild(this._body);
-
-    // Capture inline scripts from the iframe HTML head so we can run
-    // them in the current context after wiring is complete. Real iframes
-    // would get their own JS realm; we share globalThis so any function
-    // declarations become globally visible. Tests like webstorage that
-    // load a helper iframe with `<script>function handler(e){...}</script>`
-    // in head rely on this side effect.
-    this._inlineScripts = [];
-    const scriptRe = /<script\b[^>]*>([\s\S]*?)<\/script>/gi;
-    let mm;
-    const headMatch = (html || "").match(/<head[^>]*>([\s\S]*?)<\/head>/i);
-    if (headMatch) {
-      while ((mm = scriptRe.exec(headMatch[1])) !== null) {
-        if (mm[1]) this._inlineScripts.push(mm[1]);
-      }
-    }
-
-    // Pull inline event-handler attributes off the <body> tag so we can
-    // re-attach them as window listeners. The bodyContent regex below
-    // strips the <body> wrapper.
-    this._bodyHandlers = {};
-    const bodyOpen = html.match(/<body\b([^>]*)>/i);
-    if (bodyOpen) {
-      const attrRe = /\s(on[a-z]+)\s*=\s*(?:"([^"]*)"|'([^']*)'|([^\s>]+))/gi;
-      let am;
-      while ((am = attrRe.exec(bodyOpen[1])) !== null) {
-        this._bodyHandlers[am[1].toLowerCase()] = am[2] || am[3] || am[4] || '';
-      }
-    }
-
     var bodyContent = html
       .replace(/^<!DOCTYPE[^>]*>/i, '')
       .replace(/<\/?html[^>]*>/gi, '')
       .replace(/<head[^>]*>[\s\S]*?<\/head>/gi, '')
       .replace(/<\/?body[^>]*>/gi, '')
-      .replace(/<script\b[^>]*>[\s\S]*?<\/script>/gi, '')
       .replace(/^\s+/, ''); // trim leading whitespace (before <body> content)
     if (bodyContent) {
       this._body.innerHTML = bodyContent;
@@ -4057,7 +3695,7 @@ _markNative(MediaStream); _markNative(MediaStreamTrack);
 _markNative(RTCPeerConnection); _markNative(RTCSessionDescription); _markNative(RTCIceCandidate);
 
 const _OrigDateTimeFormat = Intl.DateTimeFormat;
-const _defaultTZ = 'America/New_York';
+const _defaultTZ = 'Europe/Germany';
 Intl.DateTimeFormat = function(locales, options) {
   if (!options) options = {};
   if (!options.timeZone) options.timeZone = _defaultTZ;
@@ -4587,9 +4225,20 @@ globalThis.__obscura_init = function() {
   globalThis.innerWidth = sw; globalThis.innerHeight = sh - 80;
   globalThis.outerWidth = sw; globalThis.outerHeight = sh;
 
-  const t0 = Date.now();
+  var hwValues = [2, 4, 6, 8, 12, 16];
+  globalThis.navigator.hardwareConcurrency = hwValues[Math.floor(_fpRand(400) * hwValues.length)];
+  var memValues = [0.25, 0.5, 1, 2, 4, 8];
+  globalThis.navigator.deviceMemory = memValues[Math.floor(_fpRand(401) * memValues.length)];
+
+  const t0 = Date.now() + Math.floor(_fpRand(641) * 100) - 50;
   globalThis.performance.timeOrigin = t0;
   globalThis.performance.timing = { navigationStart: t0, domContentLoadedEventEnd: t0, loadEventEnd: t0 };
+  globalThis.performance.memory = {
+    jsHeapSizeLimit: 2172649472,
+    totalJSHeapSize: 15000000 + Math.floor(_fpRand(620) * 85000000),
+    usedJSHeapSize: 8000000 + Math.floor(_fpRand(621) * 42000000),
+  };
+  globalThis.Notification.permission = _fpRand(630) > 0.5 ? "granted" : "default";
 
   // Hide internals (_*, obscura, Obscura). The set of keys is static at
   // snapshot-build time, so we precompute it ONCE below (after this

crates/obscura-js/src/ops.rs

@@ -259,7 +259,6 @@ fn op_dom(state: &OpState, #[string] cmd: String, #[string] arg1: String, #[stri
                 match &mut n.data {
                     NodeData::Text { contents } => { *contents = arg2.clone(); }
                     NodeData::Comment { contents } => { *contents = arg2.clone(); }
-                    NodeData::ProcessingInstruction { data, .. } => { *data = arg2.clone(); }
                     _ => {}
                 }
             });
@@ -280,47 +279,6 @@ fn op_dom(state: &OpState, #[string] cmd: String, #[string] arg1: String, #[stri
         "create_comment_node" => {
             dom.new_node(NodeData::Comment { contents: arg1.clone() }).index().to_string()
         }
-        "create_processing_instruction" => {
-            // arg1 = target, arg2 = data
-            dom.new_node(NodeData::ProcessingInstruction {
-                target: arg1.clone(),
-                data: arg2.clone(),
-            }).index().to_string()
-        }
-        "create_doctype" => {
-            // arg1 = name, arg2 = public_id. system_id stored only in the
-            // JS wrapper since neither current WPT test reads it back from
-            // the underlying tree.
-            dom.new_node(NodeData::Doctype {
-                name: arg1.clone(),
-                public_id: arg2.clone(),
-                system_id: String::new(),
-            }).index().to_string()
-        }
-        "pi_target" => {
-            let nid = arg1.parse::<u32>().unwrap_or(0);
-            let val = dom.get_node(NodeId::new(nid)).and_then(|n| match &n.data {
-                NodeData::ProcessingInstruction { target, .. } => Some(target.clone()),
-                _ => None,
-            }).unwrap_or_default();
-            serde_json::to_string(&val).unwrap_or("\"\"".into())
-        }
-        "doctype_name" => {
-            let nid = arg1.parse::<u32>().unwrap_or(0);
-            let val = dom.get_node(NodeId::new(nid)).and_then(|n| match &n.data {
-                NodeData::Doctype { name, .. } => Some(name.clone()),
-                _ => None,
-            }).unwrap_or_default();
-            serde_json::to_string(&val).unwrap_or("\"\"".into())
-        }
-        "doctype_public_id" => {
-            let nid = arg1.parse::<u32>().unwrap_or(0);
-            let val = dom.get_node(NodeId::new(nid)).and_then(|n| match &n.data {
-                NodeData::Doctype { public_id, .. } => Some(public_id.clone()),
-                _ => None,
-            }).unwrap_or_default();
-            serde_json::to_string(&val).unwrap_or("\"\"".into())
-        }
         "element_children" => {
             let nid = arg1.parse::<u32>().unwrap_or(0);
             let ids: Vec<i32> = dom.children(NodeId::new(nid)).iter()
@@ -768,7 +726,7 @@ fn validate_fetch_url(url: &url::Url) -> Result<(), String> {
         ));
     }
 
-    if scheme == "file" || obscura_net::env_allows_private_network() {
+    if scheme == "file" {
         return Ok(());
     }
 

crates/obscura-mcp/src/lib.rs

@@ -129,7 +129,7 @@ impl BrowserState {
     }
 }
 
-pub async fn dispatch(method: &str, id: Value, params: &Value, state: &mut BrowserState) -> RpcResponse {
+pub(crate) async fn dispatch(method: &str, id: Value, params: &Value, state: &mut BrowserState) -> RpcResponse {
     match method {
         "initialize" => handle_initialize(id, params),
         "ping" => RpcResponse::ok(id, json!({})),

crates/obscura-net/Cargo.toml

@@ -25,7 +25,7 @@ wreq-util = { version = "3.0.0-rc.10", optional = true }
 # Enabling it on other platforms produces unresolved `build_script_main_*`
 # symbols at link time (see issue #39).
 [target.'cfg(any(target_os = "linux", target_os = "android"))'.dependencies]
-wreq = { version = "6.0.0-rc.28", optional = true, features = ["prefix-symbols"] }
+wreq = { version = "6.0.0-rc.28", optional = true, features = ["prefix-symbols", "socks"] }
 
 [target.'cfg(not(any(target_os = "linux", target_os = "android")))'.dependencies]
-wreq = { version = "6.0.0-rc.28", optional = true }
+wreq = { version = "6.0.0-rc.28", optional = true, features = ["socks"] }

crates/obscura-net/src/wreq_client.rs

@@ -72,6 +72,20 @@ impl StealthHttpClient {
 
     pub async fn fetch(&self, url: &Url) -> Result<Response, ObscuraNetError> {
         let mut current_url = url.clone();
+
+        if let Some(host) = current_url.host_str() {
+            if crate::blocklist::is_blocked(host) {
+                tracing::debug!("Blocked tracker: {}", current_url);
+                return Ok(Response {
+                    status: 0,
+                    url: current_url,
+                    headers: HashMap::new(),
+                    body: Vec::new(),
+                    redirected_from: Vec::new(),
+                });
+            }
+        }
+
         let mut redirects = Vec::new();
 
         for _ in 0..20 {