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WEB Bridge Sideband

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This commit is contained in:
Alexey
2026-09-08 21:29:32 +03:00
parent 4ca7418442
commit 021ad1fe68
23 changed files with 1169 additions and 13 deletions
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src/web/bridge.rs
+76
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@@ -32,17 +32,92 @@ pub(crate) fn render(
websocket_open_secs: u64,
reconnect_grace_secs: u64,
carrier_probe_coalesce_ms: u64,
bridge_diagnostics_enabled: bool,
rng: &SecureRandom,
) -> BridgePage {
let mut nonce = [0u8; 18];
rng.fill(&mut nonce);
let nonce = base64::engine::general_purpose::URL_SAFE_NO_PAD.encode(nonce);
let diagnostic_script = if bridge_diagnostics_enabled {
format!("<script nonce=\"__NONCE__\">\n{DIAGNOSTIC_RUNTIME}\n</script>\n")
} else {
String::new()
};
let diagnostic_hook = |method: &str| {
bridge_diagnostics_enabled
.then(|| {
format!("if(clientDiagnostics)try{{clientDiagnostics.{method}()}}catch(error){{}}")
})
.unwrap_or_default()
};
let diagnostic_runtime_started = if bridge_diagnostics_enabled {
format!("{}\n", diagnostic_hook("runtimeStarted"))
} else {
String::new()
};
let body = DOCUMENT
.replace("__DIAGNOSTIC_RUNTIME__\n", &diagnostic_script)
.replace("__RESPONSE_RUNTIME__", RESPONSE_RUNTIME)
.replace("__REQUEST_RUNTIME__", REQUEST_RUNTIME)
.replace("__BUFFER_RUNTIME__", BUFFER_RUNTIME)
.replace("__RECOVERY_RUNTIME__", RECOVERY_RUNTIME)
.replace("__RUNTIME__", RUNTIME)
.replace(
"__DIAGNOSTIC_BINDING__;\n",
if bridge_diagnostics_enabled {
"const clientDiagnostics=globalThis.TelemtBridgeDiagnostics;\n"
} else {
""
},
)
.replace(
"__DIAGNOSTIC_RUNTIME_STARTED__;\n",
&diagnostic_runtime_started,
)
.replace(
"__DIAGNOSTIC_BOUNDARY_ACTIVATED__;",
&diagnostic_hook("boundaryActivated"),
)
.replace(
"__STATUS_FUNCTION__",
if bridge_diagnostics_enabled {
"state=>{if(port&&!closed){port.postMessage({t:'status',state});if(clientDiagnostics)try{clientDiagnostics.statusPosted()}catch(error){}}}"
} else {
"state=>{if(port&&!closed)port.postMessage({t:'status',state})}"
},
)
.replace(
"__DIAGNOSTIC_HELLO_RECEIVED__;",
&diagnostic_hook("helloReceived"),
)
.replace(
"__HELLO_TIMEOUT_CALLBACK__",
if bridge_diagnostics_enabled {
"()=>{if(clientDiagnostics)try{clientDiagnostics.helloTimeout()}catch(error){}fail('timeout')}"
} else {
"()=>fail('timeout')"
},
)
.replace(
"__DIAGNOSTIC_CLIENT_CLOSE__;",
&diagnostic_hook("clientCloseBeforeHello"),
)
.replace(
"__PAGEHIDE_CALLBACK__",
if bridge_diagnostics_enabled {
"()=>{if(clientDiagnostics)try{clientDiagnostics.documentUnloadedBeforeHello()}catch(error){}fail('navigation')}"
} else {
"()=>fail('navigation')"
},
)
.replace(
"__DIAGNOSTIC_BOOTSTRAP_REPLACED__;",
if bridge_diagnostics_enabled {
"if(clientDiagnostics)try{clientDiagnostics.setBootstrap(bootstrap)}catch(error){}"
} else {
""
},
)
.replace("__NONCE__", &nonce)
.replace("__HOST__", host)
.replace("__BOOTSTRAP__", bootstrap)
@@ -88,6 +163,7 @@ pub(crate) fn render(
}
const DOCUMENT: &str = include_str!("bridge/document.html");
const DIAGNOSTIC_RUNTIME: &str = include_str!("bridge/diagnostic.js");
const RESPONSE_RUNTIME: &str = include_str!("bridge/response.js");
const REQUEST_RUNTIME: &str = include_str!("bridge/request.js");
const BUFFER_RUNTIME: &str = include_str!("bridge/buffers.js");