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github-actions
2025-08-23 17:48:37 +00:00
parent b8d972c95f
commit dfb4a3fa2c

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@@ -1,123 +1,31 @@
importScripts("https://cdn.jsdelivr.net/npm/localforage@1.10.0/dist/localforage.min.js");
const THREADS_KEY = "threads_v1";
const TARGET_SUBSTRING = "openrouter.ai/api/v1/chat/completions"; const TARGET_SUBSTRING = "openrouter.ai/api/v1/chat/completions";
const LOG = (...a) => { const STATE_TTL_MS = 24 * 60 * 60 * 1e3;
console.log("[sw-debug]", ...a); const state = {
totalIntercepted: 0,
activeStreams: {},
// streamId -> { url, startedAt, bytes, lastProgressAt, status }
lastStreamSummary: null
// summary of last finished stream
}; };
const gid = () => Math.random().toString(36).slice(2, 9) + "-" + Date.now().toString(36); const gid = () => Math.random().toString(36).slice(2, 9) + "-" + Date.now().toString(36);
async function readThreads() { async function broadcast(msg) {
try { try {
const v = await localforage.getItem(THREADS_KEY);
return Array.isArray(v) ? v : [];
} catch (e) {
LOG("readThreads err", e);
return [];
}
}
async function writeThreads(arr) {
try {
await localforage.setItem(THREADS_KEY, arr);
} catch (e) {
LOG("writeThreads err", e);
throw e;
}
}
function pickThread(threads) {
if (!threads || !threads.length) return null;
threads.sort((a, b) => (b.updatedAt || 0) - (a.updatedAt || 0));
return threads[0];
}
async function upsertStreamMessage(streamId, text, meta = {}) {
const threads = await readThreads();
let th = pickThread(threads);
const now = Date.now();
if (!th) {
th = { id: "sw-" + gid(), title: "Missed while backgrounded", pinned: false, updatedAt: now, messages: [] };
threads.unshift(th);
}
let msgIndex = -1;
for (let i = th.messages.length - 1; i >= 0; i--) {
if (th.messages[i] && th.messages[i].sw_streamId === streamId) {
msgIndex = i;
break;
}
}
const contentParts = [{ type: "text", text }];
if (msgIndex >= 0) {
const ex = th.messages[msgIndex];
ex.content = text;
ex.contentParts = contentParts;
ex.updatedAt = now;
ex._sw_lastSave = now;
ex._sw_meta = Object.assign({}, ex._sw_meta || {}, meta);
} else {
th.messages.push({
id: "swmsg-" + gid(),
role: "assistant",
content: text,
contentParts,
kind: "assistant",
sw_saved: true,
sw_streamId: streamId,
createdAt: now,
updatedAt: now,
_sw_meta: meta
});
}
th.updatedAt = now;
await writeThreads(threads);
return { threadId: th.id };
}
async function finalizeStream(streamId, meta = {}) {
const threads = await readThreads();
const th = pickThread(threads);
if (!th) return;
for (let i = th.messages.length - 1; i >= 0; i--) {
const m = th.messages[i];
if (m && m.sw_streamId === streamId) {
m._sw_meta = Object.assign({}, m._sw_meta || {}, meta, { completeAt: Date.now() });
m.updatedAt = Date.now();
th.updatedAt = Date.now();
break;
}
}
await writeThreads(threads);
const clientsList = await self.clients.matchAll({ includeUncontrolled: true, type: "window" }); const clientsList = await self.clients.matchAll({ includeUncontrolled: true, type: "window" });
for (const c of clientsList) { for (const c of clientsList) {
try {
c.postMessage({ type: "stream-saved", streamId, meta });
} catch (e) {
}
}
}
async function listSwStreams() {
const threads = await readThreads();
const found = [];
for (const t of threads || []) {
for (const m of t.messages || []) {
if (m && m.sw_streamId) found.push({
threadId: t.id,
threadTitle: t.title,
messageId: m.id,
sw_streamId: m.sw_streamId,
snippet: (m.content || "").slice(0, 200),
updatedAt: m.updatedAt
});
}
}
return found;
}
async function notifyClients(msg) {
try {
const list = await self.clients.matchAll({ includeUncontrolled: true, type: "window" });
for (const c of list) {
try { try {
c.postMessage(msg); c.postMessage(msg);
} catch (e) { } catch (e) {
} }
} }
} catch (e) { } catch (e) {
LOG("notifyClients err", e); }
}
function cleanupState() {
const now = Date.now();
for (const k of Object.keys(state.activeStreams)) {
if (now - (state.activeStreams[k].lastProgressAt || state.activeStreams[k].startedAt) > STATE_TTL_MS) {
delete state.activeStreams[k];
}
} }
} }
self.addEventListener("install", (e) => { self.addEventListener("install", (e) => {
@@ -127,107 +35,125 @@ self.addEventListener("activate", (e) => {
e.waitUntil(self.clients.claim()); e.waitUntil(self.clients.claim());
}); });
self.addEventListener("fetch", (event) => { self.addEventListener("fetch", (event) => {
const reqUrl = event.request.url || "";
if (new URL(reqUrl).pathname === "/__sw_tee_test") {
event.respondWith((async () => {
const probeId = new URL(reqUrl).searchParams.get("probeId") || gid();
LOG("Received tee-test probe", probeId);
const encoder = new TextEncoder();
const stream = new ReadableStream({
start(ctrl) {
let count = 0;
const id = setInterval(() => {
count++;
const chunk = `probe(${probeId}) chunk ${count}
`;
ctrl.enqueue(encoder.encode(chunk));
if (count >= 6) {
clearInterval(id);
ctrl.close();
}
}, 300);
}
});
const [clientBranch, swBranch] = stream.tee();
(async () => {
try { try {
const reader = swBranch.getReader(); const url = String(event.request.url || "");
const dec = new TextDecoder("utf-8"); if (!url.includes(TARGET_SUBSTRING)) return;
let collected = ""; event.respondWith((async () => {
let bytes = 0; const upstream = await fetch(event.request);
if (!upstream || !upstream.body) return upstream;
const streamId = "sw-" + gid();
const meta = { url, startedAt: Date.now(), bytes: 0, lastProgressAt: Date.now(), status: "started" };
state.totalIntercepted = (state.totalIntercepted || 0) + 1;
state.activeStreams[streamId] = meta;
broadcast({ type: "sw-intercept-start", streamId, meta });
const [clientStream, swStream] = upstream.body.tee();
const savePromise = (async () => {
try {
const reader = swStream.getReader();
const decoder = new TextDecoder("utf-8");
let decodedSoFar = "";
let chunkCount = 0;
let lastBroadcastMs = 0;
const BROADCAST_THROTTLE_MS = 800;
const BROADCAST_BYTES = 16 * 1024;
while (true) { while (true) {
const { value, done } = await reader.read(); const { value, done } = await reader.read();
if (done) break; if (done) break;
const chunkText = dec.decode(value, { stream: true }); chunkCount++;
collected += chunkText; const bytes = value ? value.byteLength || 0 : 0;
bytes += value && value.byteLength ? value.byteLength : chunkText.length; meta.bytes += bytes;
await upsertStreamMessage("probe-" + probeId, collected, { probeId, bytesSoFar: bytes }); meta.lastProgressAt = Date.now();
await notifyClients({ type: "tee-probe-chunk", probeId, bytes, snippet: chunkText.slice(0, 200) }); try {
decodedSoFar += decoder.decode(value, { stream: true });
} catch (e) {
} }
await finalizeStream("probe-" + probeId, { totalBytes: bytes, probeId }); const now = Date.now();
LOG("tee-probe: save complete", probeId, "bytes", bytes); if (now - lastBroadcastMs > BROADCAST_THROTTLE_MS || meta.bytes >= (meta._lastBroadcastBytes || 0) + BROADCAST_BYTES) {
await notifyClients({ type: "tee-probe-complete", probeId, totalBytes: bytes }); meta._lastBroadcastBytes = meta.bytes;
lastBroadcastMs = now;
broadcast({
type: "sw-intercept-progress",
streamId,
meta: { bytes: meta.bytes, lastProgressAt: meta.lastProgressAt, snippet: decodedSoFar.slice(-1024) }
});
}
}
meta.status = "finished";
meta.endedAt = Date.now();
state.lastStreamSummary = {
streamId,
url,
startedAt: meta.startedAt,
endedAt: meta.endedAt,
totalBytes: meta.bytes
};
delete state.activeStreams[streamId];
broadcast({ type: "sw-intercept-end", streamId, meta: { totalBytes: meta.bytes, endedAt: meta.endedAt } });
} catch (err) { } catch (err) {
LOG("tee-probe save error", err); meta.status = "error";
await notifyClients({ type: "tee-probe-error", probeId, error: String(err) }); meta.error = String(err && err.message ? err.message : err);
meta.lastProgressAt = Date.now();
delete state.activeStreams[streamId];
broadcast({ type: "sw-intercept-error", streamId, meta: { error: meta.error } });
console.error("sw: stream save error", err);
} }
})(); })();
return new Response(clientBranch, { status: 200, headers: { "Content-Type": "text/plain; charset=utf-8" } }); event.waitUntil(savePromise);
return new Response(clientStream, {
status: upstream.status,
statusText: upstream.statusText,
headers: upstream.headers
});
})()); })());
return; } catch (e) {
} console.error("sw: fetch handler error", e);
if (reqUrl.includes(TARGET_SUBSTRING)) { } finally {
event.respondWith(fetch(event.request)); cleanupState();
return;
} }
}); });
self.addEventListener("message", (event) => { self.addEventListener("message", (event) => {
const data = event.data || {}; const data = event.data || {};
try { try {
if (data && data.type === "PING") { if (data && data.type === "PING") {
(async () => { if (event.ports && event.ports[0]) {
const streams = await listSwStreams(); event.ports[0].postMessage({ type: "PONG", ts: Date.now(), ok: true });
const info = { } else if (event.source && typeof event.source.postMessage === "function") {
type: "PONG", try {
event.source.postMessage({ type: "PONG", ts: Date.now(), ok: true });
} catch (e) {
}
} else {
broadcast({ type: "PONG", ts: Date.now(), ok: true });
}
return;
}
if (data && data.type === "PING_STATUS") {
const reply = {
type: "PONG_STATUS",
ts: Date.now(), ts: Date.now(),
ok: true, totalIntercepted: state.totalIntercepted || 0,
canTeeProbe: true, activeStreams: Object.entries(state.activeStreams).map(([id, m]) => ({ streamId: id, url: m.url, bytes: m.bytes, status: m.status, startedAt: m.startedAt })),
savedStreamCount: streams.length, lastStreamSummary: state.lastStreamSummary || null
lastSaved: streams[0] || null
}; };
if (event.ports && event.ports[0]) { if (event.ports && event.ports[0]) {
event.ports[0].postMessage(info); event.ports[0].postMessage(reply);
} else if (event.source && typeof event.source.postMessage === "function") { } else if (event.source && typeof event.source.postMessage === "function") {
event.source.postMessage(info);
} else {
await notifyClients(info);
}
})();
return;
}
if (data && data.type === "list-sw-streams") {
(async () => {
const streams = await listSwStreams();
const payload = { type: "sw-streams-list", streams };
if (event.ports && event.ports[0]) event.ports[0].postMessage(payload);
else if (event.source && typeof event.source.postMessage === "function") event.source.postMessage(payload);
else await notifyClients(payload);
})();
return;
}
if (data && data.type === "run-tee-probe" && data.probeId) {
(async () => {
try { try {
const probeUrl = "/__sw_tee_test?probeId=" + encodeURIComponent(data.probeId); event.source.postMessage(reply);
if (event.ports && event.ports[0]) event.ports[0].postMessage({ type: "run-tee-probe-ok", probeId: data.probeId, probeUrl });
else if (event.source && typeof event.source.postMessage === "function") event.source.postMessage({ type: "run-tee-probe-ok", probeId: data.probeId, probeUrl });
} catch (e) { } catch (e) {
if (event.ports && event.ports[0]) event.ports[0].postMessage({ type: "run-tee-probe-error", error: String(e) });
} }
})(); } else {
broadcast(reply);
}
return; return;
} }
} catch (err) { if (data && data.type === "GET_STATE") {
LOG("message handler error", err); const snapshot = { totalIntercepted: state.totalIntercepted || 0, activeCount: Object.keys(state.activeStreams).length, last: state.lastStreamSummary || null };
if (event.ports && event.ports[0]) event.ports[0].postMessage({ type: "STATE", snapshot });
else if (event.source && event.source.postMessage) event.source.postMessage({ type: "STATE", snapshot });
return;
}
} catch (e) {
console.error("sw: message handler error", e);
} }
}); });