/
tokenresolver.go
56 lines (44 loc) · 1.74 KB
/
tokenresolver.go
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package middlewares
import (
"net/http"
"github.com/kyma-project/kyma/components/connector-service/internal/apperrors"
"github.com/kyma-project/kyma/components/connector-service/internal/clientcontext"
"github.com/kyma-project/kyma/components/connector-service/internal/httphelpers"
"github.com/kyma-project/kyma/components/connector-service/internal/tokens"
)
type ExtenderConstructor func() clientcontext.ContextExtender
type tokenResolverMiddleware struct {
tokenManager tokens.Manager
extenderConstructor ExtenderConstructor
}
func NewTokenResolverMiddleware(tokenManager tokens.Manager, extenderConstructor ExtenderConstructor) *tokenResolverMiddleware {
return &tokenResolverMiddleware{
tokenManager: tokenManager,
extenderConstructor: extenderConstructor,
}
}
func (cc *tokenResolverMiddleware) Middleware(handler http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
token := r.URL.Query().Get("token")
if token == "" {
httphelpers.RespondWithErrorAndLog(w, apperrors.Forbidden("Token not provided."))
return
}
connectorClientContext := cc.extenderConstructor()
err := cc.tokenManager.Resolve(token, connectorClientContext)
if err != nil {
if err.Code() == apperrors.CodeNotFound {
httphelpers.RespondWithErrorAndLog(w, apperrors.Forbidden("Invalid token."))
} else {
httphelpers.RespondWithErrorAndLog(w, apperrors.Internal("Failed to resolve token."))
}
return
}
reqWithCtx := r.WithContext(connectorClientContext.ExtendContext(r.Context()))
writerWithStatus := httphelpers.WriterWithStatus{ResponseWriter: w}
handler.ServeHTTP(&writerWithStatus, reqWithCtx)
if writerWithStatus.IsSuccessful() {
cc.tokenManager.Delete(token)
}
})
}