Express Sendfile Vs Download HOT!

<div>I am unable to figure out what the absolute path is. I have public directory at the same level as server.js. I am doing the res.sendFile from with server.js. I have also declared app.use(express.static(path.join(__dirname, 'public')));</div><div></div><div></div><div>The express.static middleware is separate from res.sendFile, so initializing it with an absolute path to your public directory won't do anything to res.sendFile. You need to use an absolute path directly with res.sendFile. There are two simple ways to do it:</div><div></div><div></div><div></div><div></div><div></div><div>express sendfile vs download</div><div></div><div>Download File: https://t.co/AmLjUDcMWJ </div><div></div><div></div><div>When you use a regular expression for the route definition, capture groups are provided in the array using req.params[n], where n is the nth capture group. This rule is applied to unnamed wild card matches with string routes such as /file/*:</div><div></div><div></div><div>Now suppose you wanted to ignore logging requests for static files, but to continuelogging routes and middleware defined after logger(). You would simply move the call to express.static() to the top,before adding the logger middleware:</div><div></div><div></div><div>So I'm new to react and I'm trying to connect my express backend to my react frontend. Before I could just do res.sendFile() and send over the html file to the client, however res.sendFile doesn't work with react. Is there a way to render the react app without being too reliant on apis and all that (I just wanna render serverside).</div><div></div><div></div><div>I have confirmed that res.sendFile in any route (protected or not) in the present of express-openid-connect will cause the ERR_HTTP_HEADERS_SENT error. Downloading the sample project from the documentation and attempting to add either a static middleware along with requiresAuth() or using res.sendFile in ANY route (with or without requiresAuth) will result in the error.</div><div></div><div></div><div>Thankyou for your response , I knew I can setup express in lambda function but I thought it will be very heavy task,</div><div></div><div>and yes, I came to know about 10 sec limit very late when I coded the whole think up</div><div></div><div></div><div>So I was wondering if anyone could help me, I've hit a roadblock in my project where I am trying to set up a local server with nodejs and express. I have tried everything from google, stack overflow, and a myriad of blog articles on the topic - but no dice. I have tried writing different routes for each file, and that worked for the static JavaScript and Css files, but not for the images I have uploaded to my site. Also, writing each route for each file gets clunky and I don't think its the best way to serve static files. Here is my code for my app.js file: var express = require('express');</div><div></div><div></div><div></div><div></div><div></div><div></div><div>The first two lines require() (import) the express module and create an Express application. This object, which is traditionally named app, has methods for routing HTTP requests, configuring middleware, rendering HTML views, registering a template engine, and modifying application settings that control how the application behaves (e.g. the environment mode, whether route definitions are case sensitive, etc.)</div><div></div><div></div><div>The code below shows how we import a module by name, using the Express framework as an example. First we invoke the require() function, specifying the name of the module as a string ('express'), and calling the returned object to create an Express application. We can then access the properties and functions of the application object.</div><div></div><div></div><div>Often it is useful to group route handlers for a particular part of a site together and access them using a common route-prefix (e.g. a site with a Wiki might have all wiki-related routes in one file and have them accessed with a route prefix of /wiki/). In Express this is achieved by using the express.Router object. For example, we can create our wiki route in a module named wiki.js, and then export the Router object, as shown below:</div><div></div><div></div><div>You can use the express.static middleware to serve static files, including your images, CSS and JavaScript (static() is the only middleware function that is actually part of Express). For example, you would use the line below to serve images, CSS files, and JavaScript files from a directory named 'public' at the same level as where you call node:</div><div></div><div></div><div>In the first line, we imported the Express module, then in the second line we created an instance of the Express router to define routes separately, then we created an instance of Express app.js, then defined a public directory to serve static files using the express.static() as middleware, then we have created a router for root route, where we have used sendFile() method to send HTML file as a response, finally we have used the listen() method to make the application listen on port 3000.</div><div></div><div></div><div>As you may notice, we are using express.static() as middleware to set the static path. If you want to know more about express.static() method, check out: Serving Static Files in Express Framework</div><div></div><div></div><div>Emmet takes the snippets idea to a whole new level. You can type CSS-like expressions that can be dynamically parsed, and produce output depending on what you type in the abbreviation. Emmet is developed and optimized for web developers whose workflow depends on HTML/XML and CSS but can be used with programming languages too. Bookmark this: Emmet Cheat Sheet.</div><div></div><div></div><div>Express has this special function, app.use(), which mounts the specified middleware function or functions at the specified path. The middleware function is executed when the base of the requested path matches path. This special function, express.static(), is a built-in middleware function in Express. It serves static files and is based on serve-static.</div><div></div><div></div><div>We call express() in order to create our express application, denoted by the object app. We then create a method to handle a GET request for /api/getList that will send a json response with a list of items. We will call this from our React app later.</div><div></div><div></div><div>I am trying to make an express server that takes rtsp(am using ffmpeg) converted to hls/m3u8 and streams it upon request(so it can later be viewed on a client).I am still learning and am not too familiar, so any and all help is appreciated - if you have any resources that could help me in this endeavor or if you have a better way of doing this I would appreciate it.</div><div></div><div></div><div>The m3u8 file is a playlist file that tells the client what files exist and what it should request. Herein lies the problem. Your routes are a menu of what someone can request from a server. When a request hits the express server, it looks at the URL and tries to match it against registered routes. As an example, you've shown two routes:</div><div></div><div></div><div>I think my solution is susceptible to directory traversal, so you would need to sanitise the user input from the query parameters (or someone could request files that you don't intend to be available). Instead of that, you could configure the express server to host your output folder as a static directory.</div><div></div><div></div><div>Cd back into the root folder. This is where we initialise the Express app. Run npm init -y, and npm i express. This would install express in the root folder. After installation is complete, create a file named index.js. Here in this folder require the path module(a module provided to us by Node.js). Now set-up an Express server as usual.</div><div></div><div></div><div>The next step is to make the build folder that was created by npm run build static. To do this you need to call express.static() and pass in the path(absolute path) to express.static(). And express.static() has to be called in app.use() as a middleware. The question now becomes how do we get the absolute path to the build folder. The easiest way to do this is to make use of the path module we brought in earlier.</div><div></div><div></div><div>Normally, this (*)route is usually placed after all other routes because of the way express works(looking for the first route that matches the URL you're sending the request to), this gives you the opportunity to define other routes like /api/, so that you will not always have the react app served once any get request is sent. Because in reality you will want to have other get request you will be sending to that Express API apart from serving the React app.</div><div></div><div> df19127ead</div>