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lockbitchat 0f8399ec88 feat(security,ui): self-host React deps, Tailwind, fonts; strict CSP; local QR; better selection state 
Replace CDN React/ReactDOM/Babel with local libs; remove Babel and inline scripts
Build Tailwind locally, add safelist; switch to assets/tailwind.css
Self-host Font Awesome and Inter (CSS + woff2); remove external font CDNs
Implement strict CSP (no unsafe-inline/eval; scripts/styles/fonts from self)
Extract inline handlers; move PWA scripts to external files
Add local QR code generation (qrcode lib) and remove api.qrserver.com
Improve SessionTypeSelector visual selection (highlighted background and ring)
Keep PWA working with service worker and offline assets
Refs: CSP hardening, offline-first, no external dependencies
2025-09-08 16:04:58 -04:00

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<h1><a href="index.html">All files</a> parser-sync.js</h1>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">"use strict";
&nbsp;
let hasSyncZlib = true;
let zlib = require("zlib");
let inflateSync = require("./sync-inflate");
<span class="missing-if-branch" title="if path not taken" >I</span>if (!zlib.deflateSync) {
<span class="cstat-no" title="statement not covered" > hasSyncZlib = false;</span>
}
let SyncReader = require("./sync-reader");
let FilterSync = require("./filter-parse-sync");
let Parser = require("./parser");
let bitmapper = require("./bitmapper");
let formatNormaliser = require("./format-normaliser");
&nbsp;
module.exports = function (buffer, options) {
<span class="missing-if-branch" title="if path not taken" >I</span>if (!hasSyncZlib) {
<span class="cstat-no" title="statement not covered" > throw new Error(</span>
"To use the sync capability of this library in old node versions, please pin pngjs to v2.3.0"
);
}
&nbsp;
let err;
function handleError(_err_) {
err = _err_;
}
&nbsp;
let metaData;
function handleMetaData(_metaData_) {
metaData = _metaData_;
}
&nbsp;
function handleTransColor(transColor) {
metaData.transColor = transColor;
}
&nbsp;
function handlePalette(palette) {
metaData.palette = palette;
}
&nbsp;
function handleSimpleTransparency() {
metaData.alpha = true;
}
&nbsp;
let gamma;
function handleGamma(_gamma_) {
gamma = _gamma_;
}
&nbsp;
let inflateDataList = [];
function handleInflateData(inflatedData) {
inflateDataList.push(inflatedData);
}
&nbsp;
let reader = new SyncReader(buffer);
&nbsp;
let parser = new Parser(options, {
read: reader.read.bind(reader),
error: handleError,
metadata: handleMetaData,
gamma: handleGamma,
palette: handlePalette,
transColor: handleTransColor,
inflateData: handleInflateData,
simpleTransparency: handleSimpleTransparency,
});
&nbsp;
parser.start();
reader.process();
&nbsp;
if (err) {
throw err;
}
&nbsp;
//join together the inflate datas
let inflateData = Buffer.concat(inflateDataList);
inflateDataList.length = 0;
&nbsp;
let inflatedData;
if (metaData.interlace) {
inflatedData = zlib.inflateSync(inflateData);
} else {
let rowSize =
((metaData.width * metaData.bpp * metaData.depth + 7) &gt;&gt; 3) + 1;
let imageSize = rowSize * metaData.height;
inflatedData = inflateSync(inflateData, {
chunkSize: imageSize,
maxLength: imageSize,
});
}
inflateData = null;
&nbsp;
<span class="missing-if-branch" title="if path not taken" >I</span>if (!inflatedData || !inflatedData.length) {
<span class="cstat-no" title="statement not covered" > throw new Error("bad png - invalid inflate data response");</span>
}
&nbsp;
let unfilteredData = FilterSync.process(inflatedData, metaData);
inflateData = null;
&nbsp;
let bitmapData = bitmapper.dataToBitMap(unfilteredData, metaData);
unfilteredData = null;
&nbsp;
let normalisedBitmapData = formatNormaliser(bitmapData, metaData);
&nbsp;
metaData.data = normalisedBitmapData;
metaData.gamma = gamma || 0;
&nbsp;
return metaData;
};
&nbsp;</pre></td></tr></table></pre>
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