apache-autoindex-parse/dist/src-Dc2VUN4U.js

parse apache's autoindex html files

//#region src/lib.ts
function trimTrailingSlash(path) {
	if (path === "/") return path;
	return path.endsWith("/") ? path.slice(0, -1) : path;
}
function trimLeadingSlash(path) {
	if (path.startsWith("/")) return path.slice(1);
	return path;
}

//#endregion
//#region src/index.ts
/**
* Parses HTML content of an auto-indexed directory listing into a structured format.
*
* @param {string} html - The HTML content of the auto-indexed directory page to parse
* @param {AutoIndexFormat?} format - Optional format specification of the auto-index page (will be inferred if not provided)
* @returns {Entry[]} An array of entries representing the parsed directory structure, or empty array if parsing fails
*
* @example
* ```ts
* import { parse } from 'apache-autoindex-parse';
*
* const html = await fetch('http://example.com/files/').then(res => res.text());
* const result = parse(html);
* console.log(result); // Array of file and directory entries
* ```
*/
function parse(html, format) {
	let entries = [];
	if (!html) return entries;
	if (!format) format = inferFormat(html);
	if (format === "F0") entries = parseF0(html);
	if (format === "F1") entries = parseF1(html);
	if (format === "F2") entries = parseF2(html);
	return entries;
}
/**
* Infers the AutoIndexFormat from HTML content.
*
* This function examines the links on the page to determine the format
* of an Apache AutoIndex page. It looks for URL parameters that indicate
* the format (e.g., "F=2" in "?C=N;O=D;F=2").
*
* @param {string} html - The HTML content to analyze
* @returns {AutoIndexFormat} The inferred format as an AutoIndexFormat string (e.g., "F0", "F1", "F2", etc.)
*/
function inferFormat(html) {
	const formatMatch = html.match(/href="[^"]*[?&]F=(\d)[^"]*"/);
	if (formatMatch && formatMatch[1]) return `F${formatMatch[1]}`;
	const hasPre = /<pre[^>]*>/.test(html);
	const hasTable = /<table[^>]*>/.test(html);
	if (hasPre) return "F1";
	if (hasTable) return "F2";
	return "F0";
}
function parseF0(html) {
	const entries = [];
	const linkRegex = /<li[^>]*>\s*<a\s+href="([^"]*)"[^>]*>([^<]+)<\/a>\s*<\/li>/gi;
	let match;
	while ((match = linkRegex.exec(html)) !== null) {
		const [, href, name] = match;
		if (!href || !name || name.trim() === "Parent Directory") continue;
		const cleanName = name.trim();
		if (href.endsWith("/")) entries.push({
			type: "directory",
			name: trimTrailingSlash(cleanName),
			path: trimTrailingSlash(href),
			lastModified: void 0
		});
		else entries.push({
			type: "file",
			name: trimTrailingSlash(cleanName),
			path: trimTrailingSlash(href),
			lastModified: void 0
		});
	}
	return entries;
}
function parseF1(html) {
	const entries = [];
	const preMatch = html.match(/<pre[^>]*>([\s\S]*?)<\/pre>/i);
	if (!preMatch || !preMatch[1]) return entries;
	const preContent = preMatch[1];
	const linkRegex = /<a\s+href="([^"]*)"[^>]*>([^<]*)<\/a>([^<\n]*)/gi;
	let match;
	while ((match = linkRegex.exec(preContent)) !== null) {
		const [, href, name, afterText] = match;
		if (!href || !name || name.trim() === "Parent Directory" || href.startsWith("?")) continue;
		const cleanName = name.trim();
		const isDirectory = href.endsWith("/");
		let lastModified;
		if (afterText) {
			const dateMatch = afterText.match(/(\d{2}-\w{3}-\d{4}\s+\d{2}:\d{2}|\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2})/);
			if (dateMatch && dateMatch[0]) {
				const date = new Date(dateMatch[0]);
				if (!Number.isNaN(date.getTime())) lastModified = date.getTime();
			}
		}
		if (isDirectory) entries.push({
			type: "directory",
			name: trimTrailingSlash(cleanName),
			path: trimTrailingSlash(href),
			lastModified
		});
		else entries.push({
			type: "file",
			name: trimTrailingSlash(cleanName),
			path: trimTrailingSlash(href),
			lastModified
		});
	}
	return entries;
}
function parseF2(html) {
	const entries = [];
	const rowRegex = /<tr[^>]*>([\s\S]*?)<\/tr>/gi;
	let match;
	while ((match = rowRegex.exec(html)) !== null) {
		const rowContent = match[1];
		if (!rowContent) continue;
		if (/<th[^>]*>/.test(rowContent) || /<hr[^>]*>/.test(rowContent)) continue;
		const cellRegex = /<td[^>]*>([\s\S]*?)<\/td>/gi;
		const cells = [];
		let cellMatch;
		while ((cellMatch = cellRegex.exec(rowContent)) !== null) if (cellMatch[1] !== void 0) cells.push(cellMatch[1]);
		if (cells.length < 3) continue;
		const iconCell = cells[0];
		const linkCell = cells[1];
		const dateCell = cells[2];
		if (iconCell && /alt="\[PARENTDIR\]"/.test(iconCell)) continue;
		if (!linkCell) continue;
		const linkMatch = linkCell.match(/<a\s+href="([^"]*)"[^>]*>([^<]*)<\/a>/i);
		if (!linkMatch || !linkMatch[1] || !linkMatch[2]) continue;
		const [, href, name] = linkMatch;
		if (href === "/" || name.trim() === "Parent Directory") continue;
		const cleanName = name.trim();
		if (!cleanName) continue;
		const isDirectory = iconCell && /alt="\[DIR\]"/.test(iconCell) || href.endsWith("/");
		let lastModified;
		if (dateCell) {
			const dateText = dateCell.replace(/<[^>]*>/g, "").trim();
			if (dateText && dateText !== "\xA0" && dateText !== "&nbsp;") {
				const date = new Date(dateText);
				if (!Number.isNaN(date.getTime())) lastModified = date.getTime();
			}
		}
		if (isDirectory) entries.push({
			type: "directory",
			name: trimTrailingSlash(cleanName),
			path: trimTrailingSlash(href),
			lastModified
		});
		else entries.push({
			type: "file",
			name: trimTrailingSlash(cleanName),
			path: trimTrailingSlash(href),
			lastModified
		});
	}
	return entries;
}

//#endregion
export { trimTrailingSlash as i, parse as n, trimLeadingSlash as r, inferFormat as t };