httpserver.js

"use strict";

var http = require('http');
var url = require('url');
var fs = require('fs');


var mimetypes = {
    '.dvb' : 'application/dvbsubs',
    '.srt' : 'application/x-subrip',
    '.mks' : 'application/x-matroska',
    '.ssa' : 'text/x-ssa',
    '.ass' : 'text/x-ssa',
    '.vtt' : 'text/vtt',
    '.sub' : 'text/vnd.dvb.subtitle',
    '.mka' : 'audio/x-matroska',
    '.oga' : 'audio/ogg',
    '.opus' : 'audio/ogg',
    '.cda' : 'application/x-cda',
    '.ape' : 'audio/x-ape',
    '.amr' : 'audio/amr',
    '.awb' : 'audio/amr-wb',
    '.aac' : 'audio/aac',
    '.wav' : 'audio/wav',
    '.mp3' : 'audio/mpeg',
    '.aff' : 'audio/aiff',
    '.aif' : 'audio/aiff',
    '.aiff' : 'audio/aiff',
    '.flac' : 'audio/flac',
    '.alac' : 'audio/alac',
    '.abc' : 'text/vnd.abc',
    '.tga' : 'image/x-targa',
    '.webp' : 'image/webp',
    '.ico' : 'image/vnd.microsoft.icon',
    '.heic' : 'image/heic',
    '.heif' : 'image/heif',
    '.tiff' : 'image/tiff',
    '.tif' : 'image/tiff',
    '.jpeg' : 'image/jpeg',
    '.jpg' : 'image/jpeg',
    '.png' : 'image/png',
    '.apng' : 'image/apng',
    '.gif' : 'image/gif',
    '.bmp' : 'image/bmp',
    '.svg' : 'image/svg+xml',
    '.psd' : 'image/vnd.adobe.photoshop',
    '.gv' : 'text/vnd.graphviz',
    '.dot' : 'text/vnd.graphviz',
    '.xdot' : 'text/vnd.graphviz',
    '.proto' : 'application/x+protobuf',
    '.ps' : 'application/postscript',
    '.sql' : 'application/sql',
    '.swf' : 'application/x-shockwave-flash',
    '.rss' : 'application/rss+xml',
    '.opml' : 'text/x-opml',
    '.jar' : 'application/java-archive',
    '.js' : 'application/javascript',
    '.css' : 'text/css',
    '.htm' : 'text/html',
    '.html' : 'text/html',
    '.txt' : 'text/plain',
    '.md' : 'text/markdown',
    '.ics' : 'text/calendar',
    '.rtf' : 'application/rtf',
    '.pdf' : 'application/pdf',
    '.epub' : 'application/epub+zip',
    '.json' : 'application/json',
    '.map' : 'application/json',
    '.dtd' : 'application/xml-dtd',
    '.xml' : 'application/xml',
    '.xsd' : 'text/xml',
    '.yaml' : 'text/yaml',
    '.yml' : 'text/yaml',
    '.csv' : 'text/csv',
    '.tsv' : 'text/tab-separated-values',
    '.ttf' : 'application/x-font-ttf',
    '.otf' : 'font/otf',
    '.woff' : 'font/woff',
    '.eot' : 'font/x-eot',
    '.gf' : 'application/x-tex-gf',
    '.avi' : 'video/x-msvideo',
    '.ivf' : 'video/x-ivf',
    '.flv' : 'video/flv',
    '.jpgv' : 'video/jpeg',
    '.mjpeg' : 'video/x-motion-jpeg',
    '.mjpg' : 'video/x-motion-jpeg',
    '.ogv' : 'video/ogg',
    '.webm' : 'video/webm',
    '.mpg' : 'video/mpeg',
    '.mpeg' : 'video/mpeg',
    '.mp4' : 'video/mp4',
    '.m4v' : 'video/mp4',
    '.m4s' : 'video/iso.segment',
    '.f4v' : 'video/x-f4v',
    '.f4f' : 'video/f4f',
    '.f4m' : 'application/f4m+xml',
    '.bik' : 'video/vnd.radgametools.bink',
    '.xvid' : 'video/xvid',
    '.cast' : 'application/x-asciicast',
    '.qt' : 'video/quicktime',
    '.mov' : 'video/quicktime',
    '.mkv' : 'video/x-matroska',
    '.mk3d' : 'video/x-matroska-3d',
    '.mxf' : 'application/mxf',
    '.gxf' : 'application/gxf',
    '.ism' : 'application/vnd.ms-sstr+xml',
    '.m3u8' : 'application/x-mpegURL',
    '.ts' : 'video/MP2T',
    '.mpd' : 'application/dash+xml',
    '.mpp' : 'application/dash-patch+xml',
    '.har' : 'application/har+json',
    '.hdf' : 'application/x-hdf',
    '.rdf' : 'application/rdf+xml',
    '.owl' : 'application/owl+xml',
    '.obo' : 'text/obo',
    '.ttl' : 'text/turtle',
    '.nt' : 'application/n-triples',
    '.n3' : 'text/n3',
    '.jsonld' : 'application/ld+json',
    '.conllu' : 'text/x-conllu',
    '.spdx' : 'application/spdx+json',
    '.smil' : 'application/smil+xml',
    '.mtl' : 'model/mtl',
    '.obj' : 'model/obj',
    '.stl' : 'model/stl',
    '.usda' : 'model/vnd.usda',
    '.usdz' : 'model/vnd.usdz+zip',
    '.glb' : 'model/gltf-binary',
    '.gltf' : 'model/gltf+json',
    '.fbx' : 'application/fbx',
    '.dae' : 'model/vnd.collada+xml',
    '.x3d' : 'model/x3d+xml',
    '.vrml' : 'model/vrml',
    '.blend' : 'application/x-blender',
    '.wad' : 'application/x-doom',
    '.bsp' : 'application/vnd.valve.source.compiled-map',
    '.mpq' : 'application/vnd.blizzard-archive-mopaq',
    '.sgf' : 'application/x-go-sgf',
    '.pgn' : 'application/vnd.chess-pgn',
    '.emf' : 'application/x-msmetafile',
    '.emz' : 'application/x-msmetafile+zip',
    '.eml' : 'message/rfc822',
    '.msg' : 'application/vnd.ms-outlook',
    '.lzma' : 'application/x-lzma',
    '.tar' : 'application/x-tar',
    '.br' : 'application/x-brotli',
    '.bz' : 'application/x-bzip',
    '.bz1' : 'application/x-bzip1',
    '.bz2' : 'application/x-bzip2',
    '.gz' : 'application/x-gzip',
    '.xz' : 'application/x-xz',
    '.lz' : 'application/x-lzip',
    '.z' : 'application/x-compress',
    '.zip' : 'application/zip',
    '.rar' : 'application/vnd.rar',
    '.zst' : 'application/zstd',
    '.7z' : 'application/x-7z-compressed'
}

function handler(req,resp){
    var pu = url.parse(req.url);
    var p = process.cwd() + pu.pathname;
    console.log(pu.pathname);
    try{
        var s = fs.statSync(p);
    }
    catch(e){
        console.log(e.toString());
        resp.writeHead(404,{'Content-type':'text/html'});
        resp.end("<HTML>Not found</HTML>");
        return;
    }  
    
    if( s.isDirectory() ){
        var pfx = pu.pathname;
        if( pfx.length === 0 )
            pfx='/';
        if( pfx[0] !== '/' )
            pfx[0] = '/';
        if( pfx[pfx.length-1] != '/' )
            pfx += '/';
            
        var L = fs.readdirSync(p);
        resp.writeHead(200,{"Content-type":"text/html"});
        resp.write("<!DOCTYPE html>\n");
        resp.write("<html>\n");
        resp.write("<head><meta charset='utf-8'></head>");
        resp.write("<body><ul>");
        for(var i=0;i<L.length;++i){
            resp.write("<li><a href='"+pfx+L[i]+"'>"+L[i]+"</a></li>\n");
        }
        resp.end("</ul></body></html>");
    }
    else{
        var rs = fs.createReadStream(p);
        var i = p.lastIndexOf(".");
        var suffix;
        if( i === -1 )
            suffix='';
        else
            suffix = p.substr(i).toLowerCase();
        
        var mimetype;
        if( mimetypes[suffix] === undefined )
            mimetype='application/octet-stream';
        else
            mimetype=mimetypes[suffix];   
        
        resp.writeHead(200,{'Content-type':mimetype});
        rs.pipe(resp);
    }
}

var server = http.createServer(handler);
server.listen(8081,'127.0.0.1');
console.log("Listening on port 8081");