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