40 lines
1.0 KiB
Go
40 lines
1.0 KiB
Go
package middleware
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import (
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"context"
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"net/http"
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"github.com/justinas/alice"
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middlewareapi "github.com/oauth2-proxy/oauth2-proxy/pkg/apis/middleware"
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)
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type scopeKey string
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// requestScopeKey uses a typed string to reduce likelihood of clasing
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// with other context keys
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const requestScopeKey scopeKey = "request-scope"
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func NewScope() alice.Constructor {
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return addScope
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}
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// addScope injects a new request scope into the request context.
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func addScope(next http.Handler) http.Handler {
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return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
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scope := &middlewareapi.RequestScope{}
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contextWithScope := context.WithValue(req.Context(), requestScopeKey, scope)
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requestWithScope := req.WithContext(contextWithScope)
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next.ServeHTTP(rw, requestWithScope)
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})
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}
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// GetRequestScope returns the current request scope from the given request
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func GetRequestScope(req *http.Request) *middlewareapi.RequestScope {
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scope := req.Context().Value(requestScopeKey)
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if scope == nil {
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return nil
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}
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return scope.(*middlewareapi.RequestScope)
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}
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