From 8c12c6939aab9106db14ec2d11d983bc5b29fb2c Mon Sep 17 00:00:00 2001
From: Niall Sheridan <nsheridan@gmail.com>
Date: Sun, 7 Jul 2019 21:33:44 +0100
Subject: Switch to modules

---
 vendor/github.com/gorilla/handlers/canonical.go | 74 -------------------------
 1 file changed, 74 deletions(-)
 delete mode 100644 vendor/github.com/gorilla/handlers/canonical.go

(limited to 'vendor/github.com/gorilla/handlers/canonical.go')

diff --git a/vendor/github.com/gorilla/handlers/canonical.go b/vendor/github.com/gorilla/handlers/canonical.go
deleted file mode 100644
index 8437fef..0000000
--- a/vendor/github.com/gorilla/handlers/canonical.go
+++ /dev/null
@@ -1,74 +0,0 @@
-package handlers
-
-import (
-	"net/http"
-	"net/url"
-	"strings"
-)
-
-type canonical struct {
-	h      http.Handler
-	domain string
-	code   int
-}
-
-// CanonicalHost is HTTP middleware that re-directs requests to the canonical
-// domain. It accepts a domain and a status code (e.g. 301 or 302) and
-// re-directs clients to this domain. The existing request path is maintained.
-//
-// Note: If the provided domain is considered invalid by url.Parse or otherwise
-// returns an empty scheme or host, clients are not re-directed.
-//
-// Example:
-//
-//  r := mux.NewRouter()
-//  canonical := handlers.CanonicalHost("http://www.gorillatoolkit.org", 302)
-//  r.HandleFunc("/route", YourHandler)
-//
-//  log.Fatal(http.ListenAndServe(":7000", canonical(r)))
-//
-func CanonicalHost(domain string, code int) func(h http.Handler) http.Handler {
-	fn := func(h http.Handler) http.Handler {
-		return canonical{h, domain, code}
-	}
-
-	return fn
-}
-
-func (c canonical) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	dest, err := url.Parse(c.domain)
-	if err != nil {
-		// Call the next handler if the provided domain fails to parse.
-		c.h.ServeHTTP(w, r)
-		return
-	}
-
-	if dest.Scheme == "" || dest.Host == "" {
-		// Call the next handler if the scheme or host are empty.
-		// Note that url.Parse won't fail on in this case.
-		c.h.ServeHTTP(w, r)
-		return
-	}
-
-	if !strings.EqualFold(cleanHost(r.Host), dest.Host) {
-		// Re-build the destination URL
-		dest := dest.Scheme + "://" + dest.Host + r.URL.Path
-		if r.URL.RawQuery != "" {
-			dest += "?" + r.URL.RawQuery
-		}
-		http.Redirect(w, r, dest, c.code)
-		return
-	}
-
-	c.h.ServeHTTP(w, r)
-}
-
-// cleanHost cleans invalid Host headers by stripping anything after '/' or ' '.
-// This is backported from Go 1.5 (in response to issue #11206) and attempts to
-// mitigate malformed Host headers that do not match the format in RFC7230.
-func cleanHost(in string) string {
-	if i := strings.IndexAny(in, " /"); i != -1 {
-		return in[:i]
-	}
-	return in
-}
-- 
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