spring-cloud/spring-cloud-gateway

Add CORS functionality to spring cloud gateway mvc

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#3302 opened on Mar 17, 2024

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enhancementhelp wantedin: server-webmvc

Description

I required cross origin functionality in spring gateway mvc but I am not able to use it E.g This metadata is not present in spring gateway mvc.

spring:
  cloud:
    gateway:
      routes:
      - id: cors_route
        uri: https://example.org
        predicates:
        - Path=/service/**
        metadata:
          cors
            allowedOrigins: '*'
            allowedMethods:
              - GET
              - POST
            allowedHeaders: '*'
            maxAge: 30

Contributor guide

Tech stack
javaspring
Domain
backendcloudapi
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
JavaSpring BootSpring Cloud Gateway basicsCORS
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50
Research direction
Review the existing CORS support in Spring Cloud Gateway for the non MVC variant. Investigate the GlobalFilter and GatewayFilter interfaces to understand how to add CORS configuration at the route level. Check the issue comments for any maintainer guidance on implementing this feature for the MVC variant.