DorianNiemiecSVRJS/svrjs
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Optimize check for compressible data

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Dorian Niemiec 2024-04-07 09:25:14 +02:00
parent 80943bf695
commit 86234d4795
1 changed files with 17 additions and 13 deletions
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svr.js
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@ -3846,21 +3846,25 @@ if (!cluster.isPrimary) {
var isCompressable = true;
try {
isCompressable = canCompress(href, dontCompress);
// Check for files not to compressed and compression enabling setting. Also check for browser quirks and adjust compression accordingly
if(configJSON.enableCompression !== true || !canCompress(href, dontCompress)) {
isCompressable = false; // Compression is disabled
} else if (ext != "html" && ext != "htm" && ext != "xhtml" && ext != "xht" && ext != "shtml") {
if (/^Mozilla\/4\.[0-9]+(( *\[[^)]*\] *| *)\([^)\]]*\))? *$/.test(req.headers["user-agent"]) && !(/https?:\/\/|[bB][oO][tT]|[sS][pP][iI][dD][eE][rR]|[sS][uU][rR][vV][eE][yY]|MSIE/.test(req.headers["user-agent"]))) {
isCompressable = false; // Netscape 4.x doesn't handle compressed data properly outside of HTML documents.
} else if (/^w3m\/[^ ]*$/.test(req.headers["user-agent"])) {
isCompressable = false; // w3m doesn't handle compressed data properly outside of HTML documents.
}
} else {
if (/^Mozilla\/4\.0[6-8](( *\[[^)]*\] *| *)\([^)\]]*\))? *$/.test(req.headers["user-agent"]) && !(/https?:\/\/|[bB][oO][tT]|[sS][pP][iI][dD][eE][rR]|[sS][uU][rR][vV][eE][yY]|MSIE/.test(req.headers["user-agent"]))) {
isCompressable = false; // Netscape 4.06-4.08 doesn't handle compressed data properly.
}
}
} catch (err) {
callServerError(500, err);
return;
}
// Check for browser quirks and adjust compression accordingly
if (ext != "html" && ext != "htm" && ext != "xhtml" && ext != "xht" && ext != "shtml" && /^Mozilla\/4\.[0-9]+(( *\[[^)]*\] *| *)\([^)\]]*\))? *$/.test(req.headers["user-agent"]) && !(/https?:\/\/|[bB][oO][tT]|[sS][pP][iI][dD][eE][rR]|[sS][uU][rR][vV][eE][yY]|MSIE/.test(req.headers["user-agent"]))) {
isCompressable = false; // Netscape 4.x doesn't handle compressed data properly outside of HTML documents.
} else if (/^Mozilla\/4\.0[6-8](( *\[[^)]*\] *| *)\([^)\]]*\))? *$/.test(req.headers["user-agent"]) && !(/https?:\/\/|[bB][oO][tT]|[sS][pP][iI][dD][eE][rR]|[sS][uU][rR][vV][eE][yY]|MSIE/.test(req.headers["user-agent"]))) {
isCompressable = false; // Netscape 4.06-4.08 doesn't handle compressed data properly.
} else if (ext != "html" && ext != "htm" && ext != "xhtml" && ext != "xht" && ext != "shtml" && /^w3m\/[^ ]*$/.test(req.headers["user-agent"])) {
isCompressable = false; // w3m doesn't handle compressed data properly outside of HTML documents.
}
// Handle partial content request
if (ext != "html" && req.headers["range"]) {
try {
@ -3984,13 +3988,13 @@ if (!cluster.isPrimary) {
try {
res.writeHead(200, http.STATUS_CODES[200], hdhds);
var resStream = {};
if (configJSON.enableCompression === true && ext != "br" && filelen > 256 && isCompressable && zlib.createBrotliCompress && acceptEncoding.match(/\bbr\b/)) {
if (ext != "br" && filelen > 256 && isCompressable && zlib.createBrotliCompress && acceptEncoding.match(/\bbr\b/)) {
resStream = zlib.createBrotliCompress();
resStream.pipe(res);
} else if (configJSON.enableCompression === true && ext != "zip" && filelen > 256 && isCompressable && acceptEncoding.match(/\bdeflate\b/)) {
} else if (ext != "zip" && filelen > 256 && isCompressable && acceptEncoding.match(/\bdeflate\b/)) {
resStream = zlib.createDeflateRaw();
resStream.pipe(res);
} else if (configJSON.enableCompression === true && ext != "gz" && filelen > 256 && isCompressable && acceptEncoding.match(/\bgzip\b/)) {
} else if (ext != "gz" && filelen > 256 && isCompressable && acceptEncoding.match(/\bgzip\b/)) {
resStream = zlib.createGzip();
resStream.pipe(res);
} else {