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218 lines
5.3 KiB
218 lines
5.3 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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const whiskers = require('whiskers');
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const includes = require("../includes/includes");
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module.exports=
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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(result)
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{
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includes.include("includes/html/404.html").then(function(html)
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{
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result.write(html);
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result.end();
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})
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},
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constructAdminPage: function(request, result, templateFiller)
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{
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var templateContext = Object();
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var promises = [];
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promises.push(includes.fetchTemplate("admin/adminMain.html"));
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promises.push(includes.printAdminHeader(templateContext));
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promises.push(includes.printFooter(templateContext));
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if(module.exports.loggedIn(request))
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{
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templateContext.loggedIn = true;
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promises.push(templateFiller(templateContext));
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}
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else
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{
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//login
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const clientAddress = (request.headers['x-forwarded-for'] || '').split(',')[0]
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|| request.connection.remoteAddress;
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promises.push(require("../admin/login").main(request, clientAddress,templateContext));
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}
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Promise.all(promises).then(function(content)
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{
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result.write(whiskers.render(content[0], templateContext));
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result.end();
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}).catch(function(err)
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{
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console.log(err);
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throw err;
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});
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},
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adminPostPageWithOutput: function(request, result, templateFiller)
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{
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module.exports.getPostData(request).then(function(postData)
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{
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var templateContext = Object();
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var promises = [];
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promises.push(includes.fetchTemplate("admin/adminMain.html"));
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promises.push(includes.printAdminHeader(templateContext));
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promises.push(includes.printFooter(templateContext));
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if (module.exports.loggedIn(request))
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{
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templateContext.loggedIn = true;
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promises.push(templateFiller(templateContext, postData));
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}
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else
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{
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//login
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const clientAddress = (request.headers['x-forwarded-for'] || '').split(',')[0]
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|| request.connection.remoteAddress;
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promises.push(require("../admin/login").main(request, clientAddress, templateContext));
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}
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Promise.all(promises).then(function (content)
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{
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result.write(whiskers.render(content[0], templateContext));
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result.end();
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}).catch(function (err) {
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console.log(err);
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throw err;
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});
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});
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},
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adminPostRoute: function(request, templateFiller)
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{
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return new Promise(function(resolve, reject)
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{
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module.exports.getPostData(request).then(function(postData)
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{
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templateFiller(postData).then(function()
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{
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resolve();
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})
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}).catch(function(e)
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{
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reject(e);
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})
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})
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},
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loggedIn(request)
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{
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return(request.session && request.session.user);
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}
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};
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