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use gorilla mux for routing in server and kms

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This commit is contained in:
Frederik Ring 2019-07-06 15:10:39 +02:00
parent 4252ec39b2
commit 7971b7289a
2 changed files with 56 additions and 26 deletions
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40
shared/http/middleware.go
View File

@ -1,29 +1,59 @@
package http
import "net/http"
import (
"context"
"errors"
"net/http"
)
func CorsMiddleware(next http.Handler, origin string) http.Handler {
func CorsMiddleware(origin string) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Credentials", "true")
w.Header().Set("Access-Control-Allow-Methods", "POST,GET")
w.Header().Set("Access-Control-Allow-Origin", origin)
next.ServeHTTP(w, r)
})
}
}
func ContentTypeMiddleware(next http.Handler, contentType string) http.Handler {
func ContentTypeMiddleware(contentType string) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("Content-Type", contentType)
next.ServeHTTP(w, r)
})
}
}
func OptoutMiddleware(next http.Handler) http.Handler {
func OptoutMiddleware(cookieName string) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if _, err := r.Cookie("optout"); err == nil {
if _, err := r.Cookie(cookieName); err == nil {
w.WriteHeader(http.StatusNoContent)
return
}
next.ServeHTTP(w, r)
})
}
}
func UserCookieMiddleware(cookieKey string, contextKey interface{}) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
c, err := r.Cookie(cookieKey)
if err != nil {
RespondWithJSONError(w, err, http.StatusBadRequest)
return
}
if c.Value == "" {
RespondWithJSONError(w, errors.New("received blank user identifier"), http.StatusBadRequest)
return
}
r = r.WithContext(
context.WithValue(r.Context(), contextKey, c.Value),
)
next.ServeHTTP(w, r)
})
}
}

10
shared/http/middleware_test.go
View File

@ -8,9 +8,9 @@ import (
func TestCorsMiddleware(t *testing.T) {
t.Run("default", func(t *testing.T) {
wrapped := CorsMiddleware(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
wrapped := CorsMiddleware("https://www.example.net")(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("OK"))
}), "https://www.example.net")
}))
w := httptest.NewRecorder()
r := httptest.NewRequest(http.MethodGet, "/", nil)
wrapped.ServeHTTP(w, r)
@ -22,9 +22,9 @@ func TestCorsMiddleware(t *testing.T) {
func TestContentTypeMiddleware(t *testing.T) {
t.Run("default", func(t *testing.T) {
wrapped := ContentTypeMiddleware(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
wrapped := ContentTypeMiddleware("application/json")(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("OK"))
}), "application/json")
}))
w := httptest.NewRecorder()
r := httptest.NewRequest(http.MethodGet, "/", nil)
wrapped.ServeHTTP(w, r)
@ -35,7 +35,7 @@ func TestContentTypeMiddleware(t *testing.T) {
}
func TestOptoutMiddleware(t *testing.T) {
wrapped := OptoutMiddleware(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
wrapped := OptoutMiddleware("optout")(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("hey there"))
}))
t.Run("with header", func(t *testing.T) {