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/**
Utilities is a node modules created to make tasks like
including html files easier for me programming.
*/
//used for file io
const fs = require('fs');
module.exports=
{
/**
* A function similar to the include statement in PHP
* This function writes a file to the output
*
* @param fileName the file to append to the result
*/
include: function(fileName)
{
return new Promise(function(resolve, reject)
{
try
{
resolve(fs.readFileSync(fileName));
}
catch (e)
{
console.log("Could not find " + fileName);
resolve("");
}
});
},
/**
* Method which return the contents of a file as a string
* @param fileName
* @return {*}
*/
getFileContents: function(fileName)
{
try
{
return fs.readFileSync(fileName);
}
catch (e)
{
console.log("Could not find " + fileName);
}
return '';
},
/**
* Returns all the contents of a file as a single line
* with no break lines.
*
* @param fileName
* @return {*}
*/
getFileLine: function(fileName)
{
try
{
return fs.readFileSync(fileName, "utf8").split('\n').join('');
}
catch (e)
{
console.log("Could not find " + fileName);
}
return '';
},
/**
* Function which is responsible for returning all post data.
*
* @param request sent by user in initial server call
* @return the post data
*/
getPostData: function(req)
{
return new Promise(function(resolve, reject)
{
if(req.method == 'POST')
{
var body = '';
req.on('data', function (data)
{
body += data;
//Kills request, don't steal my RAM!!
//You can only download so much ram ;)
if (body.length > 1e6)
{
req.connection.destroy();
reject();
}
});
req.on('end', function ()
{
resolve(body);
});
}
else
{
resolve(0);
}
});
},
/**
* Displays 404 error to user
*
* @param result
* @returns {*}
*/
print404: function()
{
return this.include("includes/html/404.html");
},
/**
* Displays 404 error to user
*
* @param result
* @returns {*}
*/
printWrongHost: function()
{
return this.include("includes/html/incorrectHost.html");
},
/**
* Displays 404 error to user
*
* @param result
* @returns {*}
*/
printBannedPage: function()
{
return this.include("includes/html/banHammer.html");
}
};