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Merged
MrTalon63 merged 5 commits into from
Mar 3, 2026
Merged

Push nightly to master #1

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9c56dba
Implement CCSDS CSV OMM (I love excel)
MrTalon63 Mar 2, 2026
69d6aff
Consolidate different formats into single handler
MrTalon63 Mar 3, 2026
a3e6c14
Fix routes
MrTalon63 Mar 3, 2026
ce7f527
I hate frontend, can we please go back to IRC
MrTalon63 Mar 3, 2026
d41b7ae
0.3.0 Baybeeeeeeeeeeeeeeee
MrTalon63 Mar 3, 2026
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2 changes: 1 addition & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@
"start": "bun run src/main.ts",
"dev": "bun run --watch src/main.ts"
},
"version": "0.2.0",
"version": "0.3.0",
"devDependencies": {
"@types/bun": "latest"
},
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6 changes: 5 additions & 1 deletion src/main.ts
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Expand Up @@ -4,6 +4,7 @@ import { wrap } from "@bogeychan/elysia-logger";

import tleRoute from "./routes/tle";
import jsonRoute from "./routes/json";
import csvRoute from "./routes/csv";
import noradRoute from "./routes/norad";

import index from "./pub/index.tsx";
Expand All @@ -24,16 +25,19 @@ new Elysia()
for (const group of config.allowedGroups) {
const tleTimestamp = await kv.get(`${group}_timestamp_tle`);
const jsonTimestamp = await kv.get(`${group}_timestamp_json`);
const csvTimestamp = await kv.get(`${group}_timestamp_csv`);
const lastUpdateTle = tleTimestamp ? new Date(tleTimestamp).toISOString() : "Never";
const lastUpdateJson = jsonTimestamp ? new Date(jsonTimestamp).toISOString() : "Never";
activeGroups.push({ name: group, lastUpdateTle, lastUpdateJson });
const lastUpdateCsv = csvTimestamp ? new Date(csvTimestamp).toISOString() : "Never";
activeGroups.push({ name: group, lastUpdateTle, lastUpdateJson, lastUpdateCsv });
}
return index({ activeGroups, cacheDuration: config.cacheDuration, maxReq: config.rateLimitMaxRequests, maxReqWindow: config.rateLimitWindow, version });
})

// Subroutes registers
.use(tleRoute) // Import TLE routes
.use(jsonRoute) // Import JSON routes
.use(csvRoute) // Import CSV routes
.use(noradRoute) // Import NORAD routes

.listen(config.port, () => {
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101 changes: 62 additions & 39 deletions src/pub/index.tsx
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
const index = ({ activeGroups, cacheDuration, maxReq, maxReqWindow, version }: { activeGroups: { name: string; lastUpdateTle: string; lastUpdateJson: string }[]; cacheDuration: number; maxReq: number; maxReqWindow: number; version: string }) => (
const index = ({ activeGroups, cacheDuration, maxReq, maxReqWindow, version }: { activeGroups: { name: string; lastUpdateTle: string; lastUpdateJson: string; lastUpdateCsv: string }[]; cacheDuration: number; maxReq: number; maxReqWindow: number; version: string }) => (
<html lang="en">
<head>
<meta charset="UTF-8" />
Expand All @@ -22,47 +22,70 @@ const index = ({ activeGroups, cacheDuration, maxReq, maxReqWindow, version }: {
<link rel="stylesheet" href="/styles.css" />
</head>
<body>
<h1>Welcome to ReTLEctor</h1>
<p>This is a simple web app to cache and return TLEs from Celestrak, so you can avoid getting blocked by their servers when you need to get TLEs for a large number of satellites (Or you testing shit).</p>
<header>
<div class="header-inner">
<div>
<h1>ReTLEctor</h1>
<p>Celestrak TLE caching proxy - v{version}</p>
</div>
<a class="header-gh" href="https://github.com/MrTalon63/ReTLEctor" target="_blank">
GitHub repository
</a>
</div>
</header>
<main>
<div class="card">
<h2>About</h2>
<p>A lightweight proxy that caches TLEs from Celestrak to prevent rate-limiting when fetching a lot of data.</p>
<p>
Supported formats: <br />
<strong>3LE</strong> - <code>/tle/[group]</code> <br />
<strong>JSON CCSDS OMM</strong> - <code>/json/[group]</code> <br />
<strong>CSV</strong> - <code>/csv/[group]</code>
</p>
<p>
Custom NORAD ID lookup (experimental, 3LE only): <code>/norad/[NORAD_ID]</code>
</p>
</div>

<p>
Currently supported formats are <strong>3LE</strong> under <code>/tle/[group]</code> and <strong>JSON CCSDS OMM</strong> under <code>/json/[group]</code>
</p>
<div class="card table-card">
<h2>Cached Groups</h2>
<div class="table-wrap">
<table>
<thead>
<tr>
<th>Group</th>
<th>Last Update (TLE)</th>
<th>Last Update (JSON)</th>
<th>Last Update (CSV)</th>
</tr>
</thead>
<tbody>
{activeGroups.map((group) => (
<tr>
<td data-label="Group">
<code>{group.name}</code>
</td>
<td data-label="Last Update (TLE)">{group.lastUpdateTle}</td>
<td data-label="Last Update (JSON)">{group.lastUpdateJson}</td>
<td data-label="Last Update (CSV)">{group.lastUpdateCsv}</td>
</tr>
))}
</tbody>
</table>
</div>
</div>

<p>
Custom NORAD ID requests are supported via <code>/norad/[NORAD_ID]</code>.<br />
Please note that this is very experimental and currently only in <strong>3LE</strong> format.
</p>

<h3>Table below represents the cached TLEs and their URIs as well as last update time:</h3>

<table>
<tr>
<th>TLE (group)</th>
<th>Last Update (TLE)</th>
<th>Last Update (JSON)</th>
</tr>
{activeGroups.map((group) => (
<tr>
<td>{group.name}</td>
<td>{group.lastUpdateTle}</td>
<td>{group.lastUpdateJson}</td>
</tr>
))}
</table>

<p>Data is updated every ~{cacheDuration / 1000 / 60} minutes.</p>
<p>
Current rate limit is {maxReq} requests per {maxReqWindow / 1000} seconds. That might change in the future, pay attention to the headers returned by the server.
</p>
<p>
Source code is available on{" "}
<a href="https://github.com/MrTalon63/retlector" target="_blank">
GitHub
<div class="meta">
<span>Cache refresh: ~{cacheDuration / 1000 / 60} min</span>
<span>
Rate limit: {maxReq} req / {maxReqWindow / 1000}s (Follow http headers for accurate rate limit info)
</span>
</div>
<a class="btn" href="https://github.com/MrTalon63/ReTLEctor" target="_blank">
View Source on GitHub
</a>
. Feel free to contribute!
</p>
<p>ReTLEctor version: {version}</p>
</main>
</body>
</html>
);
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