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panic-report
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Oskari Alaranta 2025-10-27 04:10:37 +02:00
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BSD 2-Clause License
Copyright (c) 2025, Oskari Alaranta
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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# Front-end for banan-os kernel panics
banan-os generates a QR code on kernel panic. This QR code contains base64 encoded and zlib compressed debug logs. This project is used to view the panic logs from the scanned QR code.
## Dependencies
[pako](https://github.com/nodeca/pako) for inflating the zlib stream

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<!DOCTYPE html>
<html>
<head>
<title>panic report</title>
<script src="main.js"></script>
<script src="pako_inflate.min.js"></script>
</head>
<body>
<pre id="logs"></pre>
</body>
</html>

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window.addEventListener('load', function() {
const base64 = window.location.hash.substring(1)
const zlib = Uint8Array.fromBase64(base64, { alphabet: 'base64url' });
const uncompressed = pako.inflate(new Uint8Array(zlib));
let decoded = new TextDecoder().decode(uncompressed);
const match = /^\[\d+\.\d+\]/m.exec(decoded);
if (match)
decoded = decoded.substring(match.index);
document.getElementById('logs').textContent = decoded;
});

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