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gitea/vendor/github.com/go-chi/cors
6543 792b4dba2c
[Vendor] Update directly used dependencys (#15593)
* update github.com/blevesearch/bleve v2.0.2 -> v2.0.3

* github.com/denisenkom/go-mssqldb v0.9.0 -> v0.10.0

* github.com/editorconfig/editorconfig-core-go v2.4.1 -> v2.4.2

* github.com/go-chi/cors v1.1.1 -> v1.2.0

* github.com/go-git/go-billy v5.0.0 -> v5.1.0

* github.com/go-git/go-git v5.2.0 -> v5.3.0

* github.com/go-ldap/ldap v3.2.4 -> v3.3.0

* github.com/go-redis/redis v8.6.0 -> v8.8.2

* github.com/go-sql-driver/mysql v1.5.0 -> v1.6.0

* github.com/go-swagger/go-swagger v0.26.1 -> v0.27.0

* github.com/lib/pq v1.9.0 -> v1.10.1

* github.com/mattn/go-sqlite3 v1.14.6 -> v1.14.7

* github.com/go-testfixtures/testfixtures v3.5.0 -> v3.6.0

* github.com/issue9/identicon v1.0.1 -> v1.2.0

* github.com/klauspost/compress v1.11.8 -> v1.12.1

* github.com/mgechev/revive v1.0.3 -> v1.0.6

* github.com/microcosm-cc/bluemonday v1.0.7 -> v1.0.8

* github.com/niklasfasching/go-org v1.4.0 -> v1.5.0

* github.com/olivere/elastic v7.0.22 -> v7.0.24

* github.com/pelletier/go-toml v1.8.1 -> v1.9.0

* github.com/prometheus/client_golang v1.9.0 -> v1.10.0

* github.com/xanzy/go-gitlab v0.44.0 -> v0.48.0

* github.com/yuin/goldmark v1.3.3 -> v1.3.5

* github.com/6543/go-version v1.2.4 -> v1.3.1

* do github.com/lib/pq v1.10.0 -> v1.10.1 again ...
2021-04-22 20:08:53 -04:00
..
cors.go
go.mod [Vendor] Update directly used dependencys (#15593) 2021-04-22 20:08:53 -04:00
LICENSE
README.md [Vendor] Update directly used dependencys (#15593) 2021-04-22 20:08:53 -04:00
utils.go

CORS net/http middleware

go-chi/cors is a fork of github.com/rs/cors that provides a net/http compatible middleware for performing preflight CORS checks on the server side. These headers are required for using the browser native Fetch API.

This middleware is designed to be used as a top-level middleware on the chi router. Applying with within a r.Group() or using With() will not work without routes matching OPTIONS added.

Usage

func main() {
  r := chi.NewRouter()

  // Basic CORS
  // for more ideas, see: https://developer.github.com/v3/#cross-origin-resource-sharing
  r.Use(cors.Handler(cors.Options{
    // AllowedOrigins:   []string{"https://foo.com"}, // Use this to allow specific origin hosts
    AllowedOrigins:   []string{"https://*", "http://*"},
    // AllowOriginFunc:  func(r *http.Request, origin string) bool { return true },
    AllowedMethods:   []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
    AllowedHeaders:   []string{"Accept", "Authorization", "Content-Type", "X-CSRF-Token"},
    ExposedHeaders:   []string{"Link"},
    AllowCredentials: false,
    MaxAge:           300, // Maximum value not ignored by any of major browsers
  }))

  r.Get("/", func(w http.ResponseWriter, r *http.Request) {
    w.Write([]byte("welcome"))
  })

  http.ListenAndServe(":3000", r)
}

Credits

All credit for the original work of this middleware goes out to github.com/rs.