feat: add responsive styles for navigation and header in noscript section

This commit is contained in:
Florian Sylvain
2025-09-16 21:50:55 +02:00
parent 8b400135c9
commit 4bf902bb55
2 changed files with 360 additions and 598 deletions
+36
View File
@@ -12,6 +12,42 @@
<title>Portfolio Florian Sylvain - Développeur web fullstack</title> <title>Portfolio Florian Sylvain - Développeur web fullstack</title>
<link rel="stylesheet" href="style.css"> <link rel="stylesheet" href="style.css">
<noscript>
<style>
.reveal {
opacity: 1 !important;
transform: none !important;
}
@media (max-width: 760px) {
.site-nav {
position: static !important;
display: flex !important;
flex-direction: column !important;
background: transparent !important;
border: none !important;
padding: 0 !important;
box-shadow: none !important;
gap: 0 !important;
}
.menu-toggle {
display: none !important;
}
.site-header {
height: auto !important;
padding: 16px 0 !important;
}
.site-header .inner {
flex-direction: column !important;
gap: 16px !important;
}
}
</style>
</noscript>
</head> </head>
<body id="top"> <body id="top">
+254 -528
View File
@@ -7,70 +7,106 @@ const crypto = require("crypto");
const PORT = process.env.PORT || 3000; const PORT = process.env.PORT || 3000;
const ROOT = __dirname; const ROOT = __dirname;
const cspHashes = { class AssetProcessor {
scripts: new Set(), constructor() {
styles: new Set(), this.files = new Map();
}; this.cspHashes = { scripts: new Set(), styles: new Set() };
}
function calculateHash(content, algorithm = "sha256") { hash(content, algorithm = "sha256") {
return crypto return crypto
.createHash(algorithm) .createHash(algorithm)
.update(content, "utf8") .update(content, "utf8")
.digest("base64"); .digest("base64");
} }
function extractInlineContent(html) { etag(buf) {
const scriptMatches = let h = 2166136261 >>> 0;
html.match(/<script(?![^>]*src=)[^>]*>([\s\S]*?)<\/script>/gi) || []; for (let i = 0; i < buf.length; i++) {
const styleMatches = html.match(/<style[^>]*>([\s\S]*?)<\/style>/gi) || []; h ^= buf[i];
h = Math.imul(h, 16777619);
cspHashes.scripts.clear();
cspHashes.styles.clear();
scriptMatches.forEach((match) => {
const content = match.replace(/<script[^>]*>|<\/script>/gi, "").trim();
if (content) {
const hash = calculateHash(content);
cspHashes.scripts.add(`'sha256-${hash}'`);
console.log(`Inline script hash: sha256-${hash}`);
} }
return `W/"${(h >>> 0).toString(16)}-${buf.length}"`;
}
async compress(buf) {
const result = { raw: buf };
try {
const [br, gz] = await Promise.all([
new Promise((resolve) => {
zlib.brotliCompress(
buf,
{
params: {
[zlib.constants.BROTLI_PARAM_QUALITY]: 6,
[zlib.constants.BROTLI_PARAM_SIZE_HINT]:
buf.length,
},
},
(err, compressed) => resolve(err ? null : compressed)
);
}),
new Promise((resolve) => {
zlib.gzip(buf, { level: 9 }, (err, compressed) =>
resolve(err ? null : compressed)
);
}),
]);
if (br) result.br = br;
if (gz) result.gz = gz;
} catch {}
return result;
}
extractCSPHashes(html) {
this.cspHashes.scripts.clear();
this.cspHashes.styles.clear();
(
html.match(/<script(?![^>]*src=)[^>]*>([\s\S]*?)<\/script>/gi) || []
).forEach((match) => {
const content = match.replace(/<\/?script[^>]*>/gi, "").trim();
if (content) this.cspHashes.scripts.add(this.hash(content));
}); });
styleMatches.forEach((match) => { (html.match(/<style[^>]*>([\s\S]*?)<\/style>/gi) || []).forEach(
const content = match.replace(/<style[^>]*>|<\/style>/gi, "").trim(); (match) => {
if (content) { const content = match.replace(/<\/?style[^>]*>/gi, "").trim();
const hash = calculateHash(content); if (content) this.cspHashes.styles.add(this.hash(content));
cspHashes.styles.add(`'sha256-${hash}'`);
console.log(`Inline style hash: sha256-${hash}`);
} }
}); );
} }
function generateCSP() { generateCSP() {
const scriptSources = Array.from(cspHashes.scripts); const scriptHashes = Array.from(this.cspHashes.scripts).map(
const styleSources = Array.from(cspHashes.styles); (h) => `'sha256-${h}'`
);
const styleHashes = Array.from(this.cspHashes.styles).map(
(h) => `'sha256-${h}'`
);
let scriptSrc = "'self'"; const scriptSrc = `'self'${
if (scriptSources.length > 0) { scriptHashes.length ? " " + scriptHashes.join(" ") : ""
scriptSrc += ` ${scriptSources.join(" ")}`; }`;
} const styleSrc = `'self'${
styleHashes.length
? " " + styleHashes.join(" ")
: " 'unsafe-inline'"
}`;
let styleSrc = "'self'"; return [
if (styleSources.length > 0) {
styleSrc += ` ${styleSources.join(" ")}`;
}
if (styleSources.length === 0) {
styleSrc += " 'unsafe-inline'";
}
const csp = [
"default-src 'self'", "default-src 'self'",
`script-src ${scriptSrc}`, `script-src ${scriptSrc}`,
`script-src-elem ${scriptSrc}`,
`style-src ${styleSrc}`, `style-src ${styleSrc}`,
`style-src-elem ${styleSrc}`,
"img-src 'self' https: data:", "img-src 'self' https: data:",
"font-src 'self'", "font-src 'self'",
"connect-src 'self'", "connect-src 'self'",
"media-src 'self'", "media-src 'self' data:",
"object-src 'none'", "object-src 'none'",
"child-src 'none'", "child-src 'none'",
"worker-src 'none'", "worker-src 'none'",
@@ -80,534 +116,223 @@ function generateCSP() {
"manifest-src 'self'", "manifest-src 'self'",
"upgrade-insecure-requests", "upgrade-insecure-requests",
].join("; "); ].join("; ");
return csp;
} }
function minifyCSS(src) { minifyCSS(src) {
let out = src return src
.replace(/\/\*[\s\S]*?\*\//g, "") .replace(/\/\*[\s\S]*?\*\//g, "")
.replace(/\s+/g, " ") .replace(/\s+/g, " ")
.replace(/\s*([{}:;,>+~\(\)\[\]'"*\/])\s*/g, "$1") .replace(/\s*([{}:;,>+~\(\)\[\]'"*\/])\s*/g, "$1")
.replace(/;}/g, "}") .replace(/;}/g, "}")
.replace(/\b0+(px|em|rem|vh|vw|%|s|ms)\b/g, "0") .replace(/\b0+(px|em|rem|vh|vw|%|s|ms)\b/g, "0")
.replace(/\b0+\.(\d+)/g, ".$1") .replace(
.replace(/#([0-9a-fA-F])\1([0-9a-fA-F])\2([0-9a-fA-F])\3\b/g, "#$1$2$3") /#([0-9a-fA-F])\1([0-9a-fA-F])\2([0-9a-fA-F])\3\b/g,
"#$1$2$3"
)
.replace( .replace(
/rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)/g, /rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)/g,
(m, r, g, b) => { (m, r, g, b) => {
const toHex = (n) => parseInt(n).toString(16).padStart(2, "0"); const hex = (n) =>
return `#${toHex(r)}${toHex(g)}${toHex(b)}`; parseInt(n).toString(16).padStart(2, "0");
return `#${hex(r)}${hex(g)}${hex(b)}`;
} }
) )
.replace(/calc\(\s*([^)]+)\s*\)/g, (m, expr) => {
return `calc(${expr.replace(/\s+/g, "")})`;
})
.replace(/(['"])([a-zA-Z0-9\-_]+)\1/g, (m, q, val) => {
if (/^[a-zA-Z\-_][a-zA-Z0-9\-_]*$/.test(val)) return val;
return m;
})
.replace(
/([^{}]+)\{([^}]*)\}([^{}]+)\{([^}]*)\}/g,
(m, sel1, rules1, sel2, rules2) => {
if (rules1 === rules2) return `${sel1},${sel2}{${rules1}}`;
return m;
}
)
.replace(/[^{}]+\{\s*\}/g, "")
.replace(/(margin|padding):([^;]+)/g, (m, prop, vals) => {
const parts = vals.trim().split(/\s+/);
if (parts.length === 4) {
const [t, r, b, l] = parts;
if (t === r && r === b && b === l) return `${prop}:${t}`;
if (t === b && r === l) return `${prop}:${t} ${r}`;
} else if (parts.length === 2) {
const [tb, lr] = parts;
if (tb === lr) return `${prop}:${tb}`;
}
return m;
})
.replace(/border-radius:([^;]+)/g, (m, vals) => {
const parts = vals.trim().split(/\s+/);
if (parts.length === 4 && parts.every((p) => p === parts[0])) {
return `border-radius:${parts[0]}`;
}
return m;
})
.replace(
/-webkit-(transform|transition|animation|box-shadow|border-radius):/g,
"$1:"
)
.replace(
/-moz-(transform|transition|animation|box-shadow|border-radius):/g,
"$1:"
)
.replace(/-ms-(transform|transition|animation):/g, "$1:")
.replace(
/translate\(\s*([^,]+)\s*,\s*([^)]+)\s*\)/g,
"translate($1,$2)"
)
.replace(/scale\(\s*([^,]+)\s*,\s*([^)]+)\s*\)/g, (m, x, y) => {
return x === y ? `scale(${x})` : `scale(${x},${y})`;
})
.replace(/@media\s+([^{]+)\s*\{/g, "@media $1{")
.replace(/linear-gradient\(\s*([^)]+)\s*\)/g, (m, args) => {
return `linear-gradient(${args.replace(/\s*,\s*/g, ",")})`;
})
.replace(/radial-gradient\(\s*([^)]+)\s*\)/g, (m, args) => {
return `radial-gradient(${args.replace(/\s*,\s*/g, ",")})`;
})
.replace(/,\s+/g, ",") .replace(/,\s+/g, ",")
.replace(/:\s+/g, ":") .replace(/:\s+/g, ":")
.replace(/;\s+/g, ";") .replace(/;\s+/g, ";")
.replace(/\{\s+/g, "{") .replace(/\{\s+/g, "{")
.replace(/\s+\}/g, "}") .replace(/\s+\}/g, "}")
.replace(/>\s+/g, ">")
.replace(/\+\s+/g, "+")
.replace(/~\s+/g, "~");
return out.replace(/\r?\n/g, "").trim();
}
function minifyHTML(src) {
let out = src
.replace(/<!--(?!\[if)[\s\S]*?-->/g, "")
.replace(/>\s+</g, "><")
.replace(/>\s+([^<]+?)\s+</g, ">$1<")
.replace(/<style[^>]*>([\s\S]*?)<\/style>/gi, (m, css) => {
return m.replace(css, minifyCSS(css));
})
.replace(
/<link([^>]*)\s+onload=["']([^"']+)["']([^>]*)>/gi,
(match, before, onloadCode, after) => {
return `<link${before} data-onload="${onloadCode.replace(
/"/g,
"&quot;"
)}"${after}>`;
}
)
.replace(/\s+([\w-]+)=["']([^"'\s<>]+)["']/g, (m, attr, val) => {
if (/^[a-zA-Z0-9._:/-]+$/.test(val)) return ` ${attr}=${val}`;
return m;
})
.replace(/\s*=\s*/g, "=")
.replace(/\s+>/g, ">")
.replace(/\s{2,}/g, " ")
.replace(/<([^>]+)\s+>/g, "<$1>")
.replace(/\s+[\w-]+=["']["']/g, "")
.replace(/\s+type=["']text\/(javascript|css)["']/g, "");
return out.replace(/\r?\n/g, "").trim();
}
function minifyJS(src) {
let out = "";
let i = 0,
n = src.length;
let inStr = false,
strQuote = "",
inTemplate = false,
escape = false;
while (i < n) {
const ch = src[i];
const next = src[i + 1];
if (inStr) {
out += ch;
if (!escape && ch === strQuote) {
inStr = false;
strQuote = "";
}
escape = !escape && ch === "\\";
i++;
continue;
}
if (inTemplate) {
out += ch;
if (!escape && ch === "`") {
inTemplate = false;
}
escape = !escape && ch === "\\";
i++;
continue;
}
if (ch === '"' || ch === "'") {
inStr = true;
strQuote = ch;
out += ch;
i++;
continue;
}
if (ch === "`") {
inTemplate = true;
out += ch;
i++;
continue;
}
if (ch === "/" && next === "*") {
i += 2;
while (i < n && !(src[i] === "*" && src[i + 1] === "/")) i++;
i += 2;
continue;
}
if (ch === "/" && next === "/") {
i += 2;
while (i < n && src[i] !== "\n") i++;
continue;
}
out += ch;
i++;
}
let finalOut = "";
inStr = false;
strQuote = "";
inTemplate = false;
escape = false;
for (let j = 0; j < out.length; j++) {
const ch = out[j];
const prev = finalOut[finalOut.length - 1];
if (inStr) {
finalOut += ch;
if (!escape && ch === strQuote) {
inStr = false;
strQuote = "";
}
escape = !escape && ch === "\\";
continue;
}
if (inTemplate) {
finalOut += ch;
if (!escape && ch === "`") {
inTemplate = false;
}
escape = !escape && ch === "\\";
continue;
}
if (ch === '"' || ch === "'") {
inStr = true;
strQuote = ch;
finalOut += ch;
continue;
}
if (ch === "`") {
inTemplate = true;
finalOut += ch;
continue;
}
if (/\s/.test(ch)) {
let k = j + 1;
while (k < out.length && /\s/.test(out[k])) k++;
const nxt = out[k];
if (
(/[a-zA-Z0-9_$]/.test(prev) && /[a-zA-Z0-9_$]/.test(nxt)) ||
(prev === "return" && /[a-zA-Z0-9_$"]/.test(nxt))
) {
finalOut += " ";
}
j = k - 1;
continue;
}
if (/[=;:,{}()<>+\-*\/\?|&!]/.test(ch) && finalOut.endsWith(" ")) {
finalOut = finalOut.slice(0, -1);
}
finalOut += ch;
}
return finalOut
.replace(/\r?\n/g, "") .replace(/\r?\n/g, "")
.replace(/;}/g, "}")
.replace(/===true/g, "")
.replace(/!==false/g, "")
.replace(/==true/g, "")
.replace(/!=false/g, "")
.replace(/\["([a-zA-Z_$][a-zA-Z0-9_$]*)"\]/g, ".$1")
.trim(); .trim();
} }
const files = new Map(); minifyHTML(src) {
return src
function contentTypeFor(fp) { .replace(/<!--(?!\[if)[\s\S]*?-->/g, "")
const ext = path.extname(fp).toLowerCase(); .replace(/>\s+</g, "><")
switch (ext) { .replace(/>\s+([^<]+?)\s+</g, ">$1<")
case ".html": .replace(/<style[^>]*>([\s\S]*?)<\/style>/gi, (m, css) =>
return "text/html; charset=utf-8"; m.replace(css, this.minifyCSS(css))
case ".css": )
return "text/css; charset=utf-8"; .replace(/\s+([\w-]+)=["']([^"'\s<>]+)["']/g, (m, attr, val) =>
case ".js": /^[a-zA-Z0-9._:/-]+$/.test(val) ? ` ${attr}=${val}` : m
return "application/javascript; charset=utf-8"; )
case ".webp": .replace(/\s*=\s*/g, "=")
return "image/webp"; .replace(/\s+>/g, ">")
case ".xml": .replace(/\s{2,}/g, " ")
return "application/xml; charset=utf-8"; .replace(/\s+type=["']text\/(javascript|css)["']/g, "")
case ".txt": .replace(/\r?\n/g, "")
return "text/plain; charset=utf-8"; .trim();
default:
return "application/octet-stream";
}
} }
function cacheControlFor(fp) { minifyJS(src) {
const ext = path.extname(fp).toLowerCase(); let out = src;
const preserveStrings = [];
let stringIndex = 0;
out = out.replace(/(["'`])((?:\\.|(?!\1)[^\\])*?)\1/g, (match) => {
const placeholder = `__STRING_${stringIndex++}__`;
preserveStrings.push({ placeholder, original: match });
return placeholder;
});
out = out.replace(/\/\*[\s\S]*?\*\//g, "").replace(/\/\/.*$/gm, "");
out = out
.replace(/\s+/g, " ")
.replace(/\s*([=;:,{}()<>+\-*\/\?|&!])\s*/g, "$1")
.replace(/;}/g, "}")
.trim();
preserveStrings.forEach(({ placeholder, original }) => {
out = out.replace(placeholder, original);
});
return out;
}
getContentType(filePath) {
const ext = path.extname(filePath).toLowerCase();
const types = {
".html": "text/html; charset=utf-8",
".css": "text/css; charset=utf-8",
".js": "application/javascript; charset=utf-8",
".webp": "image/webp",
".xml": "application/xml; charset=utf-8",
".txt": "text/plain; charset=utf-8",
};
return types[ext] || "application/octet-stream";
}
getCacheControl(filePath) {
const ext = path.extname(filePath).toLowerCase();
if (ext === ".html") return "no-cache"; if (ext === ".html") return "no-cache";
if (ext === ".css" || ext === ".js") if ([".css", ".js", ".webp"].includes(ext))
return "public, max-age=31536000, immutable"; return "public, max-age=31536000, immutable";
if (ext === ".webp") return "public, max-age=31536000, immutable";
if (ext === ".xml" || ext === ".txt") return "public, max-age=3600";
return "public, max-age=3600"; return "public, max-age=3600";
} }
function etag(buf) { async processFile(relPath, minifier = null) {
let h = 2166136261 >>> 0; const absPath = path.join(ROOT, relPath);
for (let i = 0; i < buf.length; i++) { const content = await fs.promises.readFile(absPath);
h ^= buf[i]; const stats = await fs.promises.stat(absPath);
h = Math.imul(h, 16777619);
}
return 'W/"' + (h >>> 0).toString(16) + "-" + buf.length + '"';
}
function preCompress(buf) { let processedContent = content;
return new Promise((resolve) => {
const result = { raw: buf };
try {
zlib.brotliCompress(
buf,
{
params: {
[zlib.constants.BROTLI_PARAM_QUALITY]: 11,
[zlib.constants.BROTLI_PARAM_SIZE_HINT]: buf.length,
},
},
(err, br) => {
if (!err && br) result.br = br;
zlib.gzip(
buf,
{
level: 9,
windowBits: 15,
memLevel: 9,
},
(gzErr, gz) => {
if (!gzErr && gz) result.gz = gz;
resolve(result);
}
);
}
);
} catch {
zlib.gzip(buf, { level: 9 }, (gzErr, gz) => {
if (!gzErr && gz) result.gz = gz;
resolve(result);
});
}
});
}
function generateSRIHash(content) {
return crypto.createHash("sha384").update(content, "utf8").digest("base64");
}
async function loadAndMinify(relPath, minify) {
const abs = path.join(ROOT, relPath);
const src = await fs.promises.readFile(abs);
const ext = path.extname(relPath).toLowerCase();
const isBinaryFile = [
".webp",
".png",
".jpg",
".jpeg",
".gif",
".ico",
].includes(ext);
let body;
let processedContent;
if (isBinaryFile) {
body = src;
processedContent = null;
} else {
const originalContent = src.toString("utf8");
processedContent = originalContent;
if (relPath === "index.html") { if (relPath === "index.html") {
let htmlContent = content.toString("utf8");
const cssPath = path.join(ROOT, "style.css"); const cssPath = path.join(ROOT, "style.css");
if (fs.existsSync(cssPath)) { if (fs.existsSync(cssPath)) {
const cssContent = await fs.promises.readFile(cssPath, "utf8"); const cssContent = await fs.promises.readFile(cssPath, "utf8");
const minifiedCSS = minifyCSS(cssContent); htmlContent = htmlContent.replace(
processedContent = processedContent.replace(
/<link[^>]*href=["']style\.css["'][^>]*>/gi, /<link[^>]*href=["']style\.css["'][^>]*>/gi,
`<style>${minifiedCSS}</style>` `<style>${this.minifyCSS(cssContent)}</style>`
); );
} }
const jsPath = path.join(ROOT, "script.js"); const jsPath = path.join(ROOT, "script.js");
if (fs.existsSync(jsPath)) { if (fs.existsSync(jsPath)) {
const jsContent = await fs.promises.readFile(jsPath, "utf8"); const jsContent = await fs.promises.readFile(jsPath, "utf8");
const minifiedJS = minifyJS(jsContent); htmlContent = htmlContent.replace(
processedContent = processedContent.replace(
/<script[^>]*src=["']script\.js["'][^>]*><\/script>/gi, /<script[^>]*src=["']script\.js["'][^>]*><\/script>/gi,
`<script>${minifiedJS}</script>` `<script>${this.minifyJS(jsContent)}</script>`
); );
} }
extractInlineContent(processedContent); if (minifier) htmlContent = minifier(htmlContent);
this.extractCSPHashes(htmlContent);
processedContent = Buffer.from(htmlContent, "utf8");
} else if (minifier) {
processedContent = Buffer.from(
minifier(content.toString("utf8")),
"utf8"
);
} }
body = minify const compressed = await this.compress(processedContent);
? Buffer.from(minify(processedContent), "utf8")
: Buffer.from(processedContent, "utf8");
}
let sriHash = null; return {
if (relPath === "style.css" || relPath === "script.js") { path: "/" + relPath.replace(/\\/g, "/"),
sriHash = generateSRIHash(body.toString("utf8"));
console.log(`SRI hash for ${relPath}: sha384-${sriHash}`);
}
const compressed = await preCompress(body);
const stats = await fs.promises.stat(abs);
const originalSize = src.length;
const processedSize = body.length;
const brSize = compressed.br?.length || 0;
const gzSize = compressed.gz?.length || 0;
console.log(`${relPath}:`);
console.log(` Original: ${originalSize} bytes`);
if (!isBinaryFile && minify)
console.log(
` Minified: ${processedSize} bytes (${(
((originalSize - processedSize) / originalSize) *
100
).toFixed(1)}% reduction)`
);
if (brSize)
console.log(
` Brotli: ${brSize} bytes (${(
(brSize / originalSize) *
100
).toFixed(1)}% of original)`
);
if (gzSize)
console.log(
` Gzip: ${gzSize} bytes (${((gzSize / originalSize) * 100).toFixed(
1
)}% of original)`
);
console.log("");
const entry = {
path: relPath,
mtimeMs: stats.mtimeMs, mtimeMs: stats.mtimeMs,
type: contentTypeFor(relPath), type: this.getContentType(relPath),
cache: cacheControlFor(relPath), cache: this.getCacheControl(relPath),
body, body: processedContent,
etag: etag(body), etag: this.etag(processedContent),
br: compressed.br, br: compressed.br,
brEtag: compressed.br ? etag(compressed.br) : undefined, brEtag: compressed.br ? this.etag(compressed.br) : undefined,
gz: compressed.gz, gz: compressed.gz,
gzEtag: compressed.gz ? etag(compressed.gz) : undefined, gzEtag: compressed.gz ? this.etag(compressed.gz) : undefined,
sri: sriHash, };
}
async build() {
console.log("Building assets...");
const tasks = [
{ file: "index.html", minifier: this.minifyHTML.bind(this) },
{ file: "style.css", minifier: this.minifyCSS.bind(this) },
{ file: "script.js", minifier: this.minifyJS.bind(this) },
{ file: "favicon.webp" },
{ file: "profile.webp" },
{ file: "robots.txt" },
{ file: "sitemap.xml" },
];
await Promise.allSettled(
tasks.map(async ({ file, minifier }) => {
if (fs.existsSync(path.join(ROOT, file))) {
const entry = await this.processFile(file, minifier);
this.files.set(entry.path, entry);
return `${file}: processed`;
}
return `${file}: skipped`;
})
);
this.files.set("__csp__", this.generateCSP());
console.log("Build complete");
}
setSecurityHeaders(res) {
const headers = {
"X-Content-Type-Options": "nosniff",
"X-Frame-Options": "DENY",
"X-XSS-Protection": "1; mode=block",
"Referrer-Policy": "strict-origin-when-cross-origin",
"Strict-Transport-Security":
"max-age=31536000; includeSubDomains; preload",
"Permissions-Policy":
"geolocation=(), microphone=(), camera=(), payment=(), usb=(), magnetometer=(), gyroscope=(), speaker=()",
"Content-Security-Policy": this.files.get("__csp__"),
}; };
files.set("/" + relPath.replace(/\\/g, "/"), entry); Object.entries(headers).forEach(([key, value]) => {
if (value) res.setHeader(key, value);
});
} }
async function build() { serveFile(req, res, entry) {
console.log("Building and compressing files...\n"); this.setSecurityHeaders(res);
await loadAndMinify("index.html", minifyHTML);
await loadAndMinify("style.css", minifyCSS);
await loadAndMinify("script.js", minifyJS);
for (const f of [
"favicon.webp",
"profile.webp",
"robots.txt",
"sitemap.xml",
]) {
if (fs.existsSync(path.join(ROOT, f))) {
await loadAndMinify(f, null);
}
}
const cspPolicy = generateCSP();
files.set("__csp__", cspPolicy);
console.log("CSS and JavaScript have been inlined into HTML automatically");
console.log(
"CSP policy generated with secure hashes for all inline content"
);
}
function setSecurityHeaders(res) {
const cspPolicy = files.get("__csp__");
res.setHeader("X-Content-Type-Options", "nosniff");
res.setHeader("X-Frame-Options", "DENY");
res.setHeader("X-XSS-Protection", "1; mode=block");
res.setHeader("Referrer-Policy", "strict-origin-when-cross-origin");
res.setHeader(
"Strict-Transport-Security",
"max-age=31536000; includeSubDomains; preload"
);
res.setHeader(
"Permissions-Policy",
"geolocation=(), microphone=(), camera=(), payment=(), usb=(), magnetometer=(), gyroscope=(), speaker=()"
);
if (cspPolicy) {
res.setHeader("Content-Security-Policy", cspPolicy);
}
}
function negotiateEncoding(req) {
const ae = req.headers["accept-encoding"] || "";
const hasBr = /\bbr\b/.test(ae);
const hasGz = /\bgzip\b/.test(ae);
return { br: hasBr, gz: hasGz };
}
function serveEntry(req, res, entry) {
setSecurityHeaders(res);
res.setHeader("Content-Type", entry.type); res.setHeader("Content-Type", entry.type);
res.setHeader("Cache-Control", entry.cache); res.setHeader("Cache-Control", entry.cache);
res.setHeader("Vary", "Accept-Encoding"); res.setHeader("Vary", "Accept-Encoding");
const enc = negotiateEncoding(req); const acceptEncoding = req.headers["accept-encoding"] || "";
let body = entry.body; let { body, etag: tag } = entry;
let tag = entry.etag;
if (enc.br && entry.br) { if (/\bbr\b/.test(acceptEncoding) && entry.br) {
body = entry.br; body = entry.br;
tag = entry.brEtag; tag = entry.brEtag;
res.setHeader("Content-Encoding", "br"); res.setHeader("Content-Encoding", "br");
} else if (enc.gz && entry.gz) { } else if (/\bgzip\b/.test(acceptEncoding) && entry.gz) {
body = entry.gz; body = entry.gz;
tag = entry.gzEtag; tag = entry.gzEtag;
res.setHeader("Content-Encoding", "gzip"); res.setHeader("Content-Encoding", "gzip");
} }
res.setHeader("ETag", tag); res.setHeader("ETag", tag);
if (req.headers["if-none-match"] === tag) { if (req.headers["if-none-match"] === tag) {
res.statusCode = 304; res.statusCode = 304;
return res.end(); return res.end();
@@ -617,44 +342,45 @@ function serveEntry(req, res, entry) {
res.end(body); res.end(body);
} }
function notFound(req, res) { handleRequest(req, res) {
setSecurityHeaders(res); const url = new URL(req.url, `http://${req.headers.host}`);
let pathname = url.pathname === "/" ? "/index.html" : url.pathname;
const entry = this.files.get(pathname);
if (entry) return this.serveFile(req, res, entry);
const fallbackPath = path.join(ROOT, pathname);
if (fs.existsSync(fallbackPath) && fs.statSync(fallbackPath).isFile()) {
const content = fs.readFileSync(fallbackPath);
const tempEntry = {
type: this.getContentType(fallbackPath),
cache: this.getCacheControl(fallbackPath),
body: content,
etag: this.etag(content),
};
return this.serveFile(req, res, tempEntry);
}
this.setSecurityHeaders(res);
res.statusCode = 404; res.statusCode = 404;
res.setHeader("Content-Type", "text/plain; charset=utf-8"); res.setHeader("Content-Type", "text/plain; charset=utf-8");
res.end("404 Not Found"); res.end("404 Not Found");
} }
function handler(req, res) {
const url = new URL(req.url, `http://${req.headers.host}`);
let pathname = url.pathname;
if (pathname === "/") pathname = "/index.html";
const entry = files.get(pathname);
if (entry) return serveEntry(req, res, entry);
const fallback = path.join(ROOT, pathname);
if (fs.existsSync(fallback) && fs.statSync(fallback).isFile()) {
const raw = fs.readFileSync(fallback);
const tmpEntry = {
type: contentTypeFor(fallback),
cache: cacheControlFor(fallback),
body: raw,
etag: etag(raw),
};
return serveEntry(req, res, tmpEntry);
}
return notFound(req, res);
} }
async function start() { async function start() {
await build(); const processor = new AssetProcessor();
const server = http.createServer(handler); await processor.build();
const server = http.createServer((req, res) =>
processor.handleRequest(req, res)
);
server.listen(PORT, () => { server.listen(PORT, () => {
console.log(`Server running on http://localhost:${PORT}`); console.log(`Server running on http://localhost:${PORT}`);
}); });
} }
start().catch((err) => { start().catch((err) => {
console.error("Failed to start server:", err); console.error("Server failed:", err);
process.exit(1); process.exit(1);
}); });