100 lines
3.4 KiB
JavaScript
100 lines
3.4 KiB
JavaScript
const logger = require('winston');
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const { getClaimByClaimId, getClaimByName } = require('../controllers/serveController.js');
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const { postToStats, sendGoogleAnalytics } = require('../controllers/statsController.js');
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const errorHandlers = require('../helpers/libraries/errorHandlers.js');
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function serveFile ({ fileName, fileType, filePath }, res) {
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logger.info(`serving file ${fileName}`);
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// set default options
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let options = {
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headers: {
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'X-Content-Type-Options': 'nosniff',
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'Content-Type' : fileType,
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},
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};
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// adjust default options as needed
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switch (fileType) {
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case 'image/jpeg':
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break;
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case 'image/gif':
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break;
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case 'image/png':
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break;
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case 'video/mp4':
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break;
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default:
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logger.warn('sending file with unknown type as .jpeg');
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options['headers']['Content-Type'] = 'image/jpeg';
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break;
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}
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// send file
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res.status(200).sendFile(filePath, options);
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}
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function sendAnalyticsAndLog (headers, ip, originalUrl) {
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// google analytics
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sendGoogleAnalytics('serve', headers, ip, originalUrl);
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}
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module.exports = (app) => {
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// route to serve a specific asset
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app.get('/:name/:claim_id', ({ headers, ip, originalUrl, params }, res) => {
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sendAnalyticsAndLog(headers, ip, originalUrl);
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// begin image-serve processes
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getClaimByClaimId(params.name, params.claim_id)
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.then(fileInfo => {
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// check to make sure a file was found
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if (!fileInfo) {
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res.status(307).render('noClaims');
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return;
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}
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// serve the file or the show route
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if (headers['accept']) { // note: added b/c some requests errored out due to no accept param in header
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const mimetypes = headers['accept'].split(',');
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if (mimetypes.includes('text/html')) {
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postToStats('show', originalUrl, ip, 'success');
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res.status(200).render('showLite', { fileInfo });
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} else {
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postToStats('serve', originalUrl, ip, 'success');
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serveFile(fileInfo, res);
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}
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} else {
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postToStats('serve', originalUrl, ip, 'success');
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serveFile(fileInfo, res);
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}
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})
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.catch(error => {
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errorHandlers.handleRequestError('serve', originalUrl, ip, error, res);
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});
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});
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// route to serve the winning claim
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app.get('/:name', ({ headers, ip, originalUrl, params }, res) => {
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sendAnalyticsAndLog(headers, ip, originalUrl);
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// begin image-serve processes
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getClaimByName(params.name)
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.then(fileInfo => {
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// check to make sure a file was found
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if (!fileInfo) {
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res.status(307).render('noClaims');
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return;
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}
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// serve the file or the show route
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if (headers['accept']) { // note: added b/c some requests errored out due to no accept param in header
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const mimetypes = headers['accept'].split(',');
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if (mimetypes.includes('text/html')) {
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postToStats('show', originalUrl, ip, 'success');
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res.status(200).render('showLite', { fileInfo });
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} else {
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postToStats('serve', originalUrl, ip, 'success');
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serveFile(fileInfo, res);
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}
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} else {
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postToStats('serve', originalUrl, ip, 'success');
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serveFile(fileInfo, res);
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}
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})
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.catch(error => {
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errorHandlers.handleRequestError('serve', originalUrl, ip, error, res);
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});
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});
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};
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