Clojure / Noir：强制HTTPS，如果请求是http：//到https：//则重定向 [英] Clojure / Noir: Force HTTPS, redirect if the request was http:// to https://

问题描述

我想在我的网站上强制使用SSL。如果只有http

I'm trying to force SSL on my site. I want to have a ring style middle-ware to redirect the site to the same URL with https if it is only http

我写了下面的代码，但它不是一个环形样式的中间件将网站重定向到相同的URL与https除了检查请求方案并打印它应该重定向到的URL之外，真正做任何事情。

I wrote the following code but it doesn't really do anything besides check the request scheme and print the URL it should be redirecting to.

(defn https-url [request-url]
  (str (str (str (str "https://" (:server-name request-url) ":") (:server-port request-url))) (:uri request-url)))

(defn require-https
  [handler]
  (fn [request]
    (let [page-request (handler request)]
      (if (= (:scheme page-request) :http)
        (println (https-url page-request))))))

(server/add-middleware require-https)

如何将它实现到一个真正的应用程序？

How would I implement this into a real app?

我使用clojure 1.2和Noir。

I'm using clojure 1.2 with Noir.

注意：如何使用多个嵌套的str将多个字符串组合成一个字符串？ / p>

Side note: How do I combine multiple strings into one string with out using multiple nested str's?

推荐答案

您可以使用 ring.util.response / redirect ：

You can use ring.util.response/redirect:

(fn handler [request]
  (if need-to-redirect?
    ;; NB. target-url should be a string
    (ring.util.response/redirect target-url)
    ...))

对于旁注， str 是可变的：

(str "foo" 'bar "baz")
; => "foobarbaz"

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