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Cross-origin resource sharing (CORS)

Cross-origin resource sharing (CORS) is a mechanism that allows restricted resources on a web page to be accessed from another domain outside the domain from which the first resource was served. CORS also relies on a mechanism by which browsers make a “preflight” request to the server hosting the cross-origin resource, in order to check that the server will permit the actual request. In that preflight, the browser sends headers that indicate the HTTP method and headers that will be used in the actual request. For security reasons, browsers restrict cross-origin HTTP requests initiated from scripts. For example, fetch() and XMLHttpRequest follow the same-origin policy. This means that a web application using those APIs can only request resources from the same origin the application was loaded from unless the response from other origins includes the right CORS headers.

Resource types

Invocations of fetch() or XMLHttpRequest
Web Fonts (for cross-domain font usage in @font-face within CSS), so that servers can deploy TrueType fonts that can only be loaded cross-origin and used by websites that are permitted to do so
WebGL textures
Images/video frames drawn to a canvas using drawImage()
CSS shapes from images
scripts
iframes

GitHub: https://github.com/topics/cors
Wikipedia: https://en.wikipedia.org/wiki/Cross-origin_resource_sharing
Created by: WHATWG, Matt Oshry, Brad Porter, Michael Bodell, Tellme Networks
Released: May 2006
Related Topics: xhr, ajax, jsonp, content-security-policy,
Last updated: 2025-01-16 00:06:15 UTC
JSON Representation

https://github.com/orion-inc/ezi-authentication-web-service

:rocket: A simple yet elegant typescript express server for the ezi-reporting systems. Contains all the necessary endpoints for making things better and simple.

authentication authorization body-parser cors expressjs mongodb mongoose nodejs nodemon pm2 typescript

Last synced: 15 Jan 2025

https://github.com/muthupandi-b/passwordresetbackend

The Password Reset Functionality project provides a robust solution for user authentication, specifically focusing on the password reset process. In today's digital landscape, user security is paramount, and allowing users to recover access to their accounts in a safe and user-friendly manner is essential.

cors dotenv expressjs jwt-authentication nodejs nodemailer nodemon

Last synced: 08 Jan 2025

https://github.com/bqardi/sunes-ostebiks

Skoleopgave, hvor vi laver fetch kald til vores (oste) API.

api cors express fetch skoleopgave token

Last synced: 15 Jan 2025

https://github.com/mtwn105/slice

Split Your Expenses with Friends using Node.js

angular angular10 bulma cors css expenses hacktoberfest html javascript jwt mongodb mongoose nodejs npm scss slice split typescript

Last synced: 15 Jan 2025

https://github.com/felixkamau/mpesa-react-payment-form

A React.js application integrating M-Pesa Daraja API Express for seamless mobile payment processing. This project includes a payment form that securely handles transactions with M-Pesa, providing a user-friendly interface for initiating payments.

axios axios-react cors daraja-api daraja-mpesa express-js javascriptt mpesa-payments reactjs

Last synced: 21 Dec 2024

https://github.com/zhangzhuang15/jslook

展示javascript基础知识、web前端开发专题技术点、面经.

ajax babel cors css interview-questions javascript nodejs tcp thread vue webpack websocket

Last synced: 11 Jan 2025

https://github.com/nazim1971/n-mart-server

cors express-js mongoose nodejs

Last synced: 21 Dec 2024

https://github.com/ashimasaini45/authentication-apis

Tech Stack: Express.js(Backend), MongoDB(Database)

axios bootstrap cors nodemailer plugins-api react-router

Last synced: 19 Dec 2024

https://github.com/walidbosso/springboot-angular-items-crud

This project is a full-stack CRUD (Create, Read, Update, Delete) application built with Spring Boot for the backend and Angular for the frontend. It enables the management of items with features such as routing, CORS handling, and integration with a MySQL database.

angular axios bootstrap cors crud dto-pattern full-stack h2-database items jdbc lombok mysql routing service spring-boot sweetalert2

Last synced: 29 Nov 2024

https://github.com/dodul01/teamvist-server

The server-side codebase for TeamVista Employee Management Website is responsible for handling backend logic, database interactions, and API endpoints.

api cors expressjs middleware mongodb nodejs

Last synced: 19 Dec 2024

https://github.com/dodul01/bookease-server

The BookEase Server Repository is the backend foundation of the hotel booking website, responsible for handling user authentication, room booking processes, and the management of user reviews.

cors express-js middleware mongodb nodejs-server nodejsapi