lx-scan/node_modules/LXWebGui/lib/routes/browser.js

License eXtension to find 5-tuples of all installed packages: name, version, project home page, license (e. g. Apache v2, BSD) and required notice. It includes a GUI to edit information for each package and to enter information if necessary.

var fs = require("fs"); 
var lxu = require("lxutils"); 
var pa = require("path"); 
var _ = require("underscore"); 
var async = require("async"); 

module.exports.get = function (req,res) { 
	var host = req.get("Host");  
	var verbose = (req.query.verbose === "true"); 
	var type = req.query.type||""; 
	var scantype = req.query.scantype||""; 
	var caller = req.query.caller||req.url; 
	var jfile = req.query.jfile||""; 
	var path = req.query.path||""; 

	var rendering_arguments = { 
		verb: verbose.toString(), 
		ftype: type, 
		calling: caller, 
		jref: jfile, 
		pathname: path, 
		oldpath: req.query.oldpath||"", 
		scantype: scantype,
		host: host
	}; 




	
	// Set default path if one wasn't passed in the URL parameters
	if(path === "" || path === ".") { 
		path = process.env.HOME || process.env.USERPROFILE || process.env.HOMEPATH;
	}
	
	rendering_arguments.pathname = path = pa.resolve("/","~",path).replace(/\\/g,"\\\\"); 

	fs.stat(path, function (err, stats) { 
		if(err) {   
			if(err.code === "ENOENT") { 
				var url = "/browse?jfile="+jfile+"&caller="+caller; 
				if(type !=="") 
					url+="&type=" + type;
				if(verbose) 
					url+="&verbose=" + verbose;
				if(scantype)
					url+="&scantype=" + scantype; 
				path = pa.dirname(path)
				url +="&path=" + path; 
				res.redirect(url);
			} else { 
				console.log(err);
			}
			return; 
		} 
		if(!stats.isDirectory()) {  
			// If it isn't a directory, then we're going to assume that the user wanted to return with the file
			// indicated in the path
			if(pa.sep === "\\") { 
				// Double the back slashes so that the path plays nice with the templating engine 
				path = path.replace(/\//g,"\\"); 
				path = path.replace(/\\/g,"\\\\"); 
			}
			var url = "http://localhost:8888"+caller; 
			if(!/^.*\?.*$/.test(caller))
				url += "?"; 
			url+="&jfile="+jfile+"&verbose="+req.query.verbose+"&path="+path+"&oldpath="+req.query.oldpath+"&scantype="+scantype; 
			if(!/^.*type.*$/.test(caller)) {
				url+= ("&type="+type); 
			}
			res.redirect(url); 
		}
		else { 
			// Read the current directory, send file names and additional arguments on to templating engine
			fs.readdir(path, function (err,files) { 
				if(err) {
					throw err; 
				}

				// Remove files beginning with a "." (period) for now because they're mostly systems files
				files = _.filter(files,function (filename) { 
					return !(/^\..*$/).test(filename);
				}); 
				var node_modules_check = false; 
				async.map(files,
					function (file,callback) { 
						if(file === "node_modules") 
							node_modules_check = true; 
						fs.stat(pa.join(path,file),function (err,stats) { 
							if(err)
								return callback(err,null); 
							callback(null,{name:file,dir:stats.isDirectory()}); 
						}); 
					},function (error,results) { 
						results = _.union([{name:"..",dir:true}],results); 
						if(pa.sep === "\\") { 
							// Double the back slashes so that the path plays nice with the templating engine 
							path = path.replace(/\//g,"\\"); 
							path = path.replace(/\\/g,"\\\\"); 
						}
						rendering_arguments.title = "LX File Browser";
						rendering_arguments.filelist = results; 
						rendering_arguments.node_modules_check = node_modules_check;  
						res.render("browser",rendering_arguments); 
					}
				); 
			}); 
		} 
	}); 
};