forked from svrjs/svrjs
Optimized HTTP compression functionality
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parent
ba3a247e49
commit
934f4dd475
1 changed files with 52 additions and 48 deletions
90
svr.js
90
svr.js
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@ -3630,39 +3630,6 @@ if (!cluster.isPrimary) {
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}
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}
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}
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}
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// Helper function to check if compression is allowed for the file
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function canCompress(path, list) {
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var canCompress = true;
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for (var i = 0; i < list.length; i++) {
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if (createRegex(list[i], true).test(path)) {
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canCompress = false;
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break;
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}
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}
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return canCompress;
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}
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var isCompressable = true;
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try {
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// Check for files not to compressed and compression enabling setting. Also check for browser quirks and adjust compression accordingly
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if(configJSON.enableCompression !== true || !canCompress(href, dontCompress)) {
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isCompressable = false; // Compression is disabled
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} else if (ext != "html" && ext != "htm" && ext != "xhtml" && ext != "xht" && ext != "shtml") {
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if (/^Mozilla\/4\.[0-9]+(( *\[[^)]*\] *| *)\([^)\]]*\))? *$/.test(req.headers["user-agent"]) && !(/https?:\/\/|[bB][oO][tT]|[sS][pP][iI][dD][eE][rR]|[sS][uU][rR][vV][eE][yY]|MSIE/.test(req.headers["user-agent"]))) {
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isCompressable = false; // Netscape 4.x doesn't handle compressed data properly outside of HTML documents.
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} else if (/^w3m\/[^ ]*$/.test(req.headers["user-agent"])) {
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isCompressable = false; // w3m doesn't handle compressed data properly outside of HTML documents.
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}
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} else {
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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"]))) {
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isCompressable = false; // Netscape 4.06-4.08 doesn't handle compressed data properly.
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}
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}
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} catch (err) {
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callServerError(500, err);
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return;
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}
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// Handle partial content request
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// Handle partial content request
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if (ext != "html" && req.headers["range"]) {
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if (ext != "html" && req.headers["range"]) {
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try {
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try {
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@ -3740,22 +3707,59 @@ if (!cluster.isPrimary) {
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callServerError(500, err);
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callServerError(500, err);
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}
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}
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} else {
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} else {
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// Helper function to check if compression is allowed for the file
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function canCompress(path, list) {
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var canCompress = true;
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for (var i = 0; i < list.length; i++) {
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if (createRegex(list[i], true).test(path)) {
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canCompress = false;
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break;
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}
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}
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return canCompress;
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}
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var useBrotli = (ext != "br" && filelen > 256 && zlib.createBrotliCompress && acceptEncoding.match(/\bbr\b/));
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var useDeflate = (ext != "zip" && filelen > 256 && zlib.createBrotliCompress && acceptEncoding.match(/\bdeflate\b/));
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var useGzip = (ext != "gz" && filelen > 256 && zlib.createBrotliCompress && acceptEncoding.match(/\bgzip\b/));
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var isCompressable = true;
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try {
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try {
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var hdhds = getCustomHeaders();
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// Check for files not to compressed and compression enabling setting. Also check for browser quirks and adjust compression accordingly
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var brNotImplementedBun = false;
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if((!useBrotli && !useDeflate && !useGzip) || configJSON.enableCompression !== true || !canCompress(href, dontCompress)) {
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isCompressable = false; // Compression is disabled
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} else if (ext != "html" && ext != "htm" && ext != "xhtml" && ext != "xht" && ext != "shtml") {
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if (/^Mozilla\/4\.[0-9]+(( *\[[^)]*\] *| *)\([^)\]]*\))? *$/.test(req.headers["user-agent"]) && !(/https?:\/\/|[bB][oO][tT]|[sS][pP][iI][dD][eE][rR]|[sS][uU][rR][vV][eE][yY]|MSIE/.test(req.headers["user-agent"]))) {
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isCompressable = false; // Netscape 4.x doesn't handle compressed data properly outside of HTML documents.
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} else if (/^w3m\/[^ ]*$/.test(req.headers["user-agent"])) {
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isCompressable = false; // w3m doesn't handle compressed data properly outside of HTML documents.
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}
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} else {
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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"]))) {
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isCompressable = false; // Netscape 4.06-4.08 doesn't handle compressed data properly.
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}
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}
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} catch (err) {
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callServerError(500, err);
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return;
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}
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// Bun 1.1 has definition for zlib.createBrotliCompress, but throws an error while invoking the function.
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// Bun 1.1 has definition for zlib.createBrotliCompress, but throws an error while invoking the function.
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if (process.isBun && configJSON.enableCompression === true) {
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if (process.isBun && useBrotli && isCompressable) {
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try {
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try {
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zlib.createBrotliCompress();
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zlib.createBrotliCompress();
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} catch (err) {
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} catch (err) {
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brNotImplementedBun = true;
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useBrotli = false;
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}
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}
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}
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}
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if (configJSON.enableCompression === true && ext != "br" && filelen > 256 && isCompressable && !brNotImplementedBun && zlib.createBrotliCompress && acceptEncoding.match(/\bbr\b/)) {
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try {
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var hdhds = getCustomHeaders();
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if (useBrotli && isCompressable) {
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hdhds["Content-Encoding"] = "br";
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hdhds["Content-Encoding"] = "br";
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} else if (configJSON.enableCompression === true && ext != "zip" && filelen > 256 && isCompressable && acceptEncoding.match(/\bdeflate\b/)) {
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} else if (useDeflate && isCompressable) {
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hdhds["Content-Encoding"] = "deflate";
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hdhds["Content-Encoding"] = "deflate";
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} else if (configJSON.enableCompression === true && ext != "gz" && filelen > 256 && isCompressable && acceptEncoding.match(/\bgzip\b/)) {
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} else if (useGzip && isCompressable) {
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hdhds["Content-Encoding"] = "gzip";
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hdhds["Content-Encoding"] = "gzip";
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} else {
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} else {
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if (ext == "html") {
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if (ext == "html") {
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@ -3794,13 +3798,13 @@ if (!cluster.isPrimary) {
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}).on("open", function () {
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}).on("open", function () {
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try {
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try {
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var resStream = {};
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var resStream = {};
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if (ext != "br" && filelen > 256 && isCompressable && !brNotImplementedBun && zlib.createBrotliCompress && acceptEncoding.match(/\bbr\b/)) {
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if (useBrotli && isCompressable) {
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resStream = zlib.createBrotliCompress();
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resStream = zlib.createBrotliCompress();
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resStream.pipe(res);
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resStream.pipe(res);
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} else if (ext != "zip" && filelen > 256 && isCompressable && acceptEncoding.match(/\bdeflate\b/)) {
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} else if (useDeflate && isCompressable) {
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resStream = zlib.createDeflateRaw();
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resStream = zlib.createDeflateRaw();
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resStream.pipe(res);
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resStream.pipe(res);
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} else if (ext != "gz" && filelen > 256 && isCompressable && acceptEncoding.match(/\bgzip\b/)) {
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} else if (useGzip && isCompressable) {
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resStream = zlib.createGzip();
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resStream = zlib.createGzip();
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resStream.pipe(res);
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resStream.pipe(res);
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} else {
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} else {
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