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caddyhttp: Fix edgecase with auto HTTP->HTTPS logic (#4243)
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2 changed files with 31 additions and 0 deletions
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@ -103,3 +103,23 @@ func TestAutoHTTPRedirectsInsertedBeforeUserDefinedCatchAll(t *testing.T) {
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tester.AssertGetResponse("http://foo.localhost:9080/", 200, "Foo")
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tester.AssertGetResponse("http://baz.localhost:9080/", 200, "Baz")
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}
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func TestAutoHTTPRedirectsInsertedBeforeUserDefinedCatchAllWithNoExplicitHTTPSite(t *testing.T) {
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tester := caddytest.NewTester(t)
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tester.InitServer(`
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{
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http_port 9080
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https_port 9443
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local_certs
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}
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http://:9080 {
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respond "Foo"
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}
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bar.localhost {
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respond "Bar"
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}
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`, "caddyfile")
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tester.AssertRedirect("http://bar.localhost:9080/", "https://bar.localhost/", http.StatusPermanentRedirect)
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tester.AssertGetResponse("http://foo.localhost:9080/", 200, "Foo")
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tester.AssertGetResponse("http://baz.localhost:9080/", 200, "Foo")
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}
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@ -379,7 +379,9 @@ func (s *Server) hasTLSClientAuth() bool {
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// that it is after any other host matcher but before any "catch-all"
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// route without a host matcher.
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func (s *Server) findLastRouteWithHostMatcher() int {
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foundHostMatcher := false
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lastIndex := len(s.Routes)
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for i, route := range s.Routes {
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// since we want to break out of an inner loop, use a closure
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// to allow us to use 'return' when we found a host matcher
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@ -388,6 +390,7 @@ func (s *Server) findLastRouteWithHostMatcher() int {
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for _, matcher := range sets {
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switch matcher.(type) {
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case *MatchHost:
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foundHostMatcher = true
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return true
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}
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}
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@ -401,6 +404,14 @@ func (s *Server) findLastRouteWithHostMatcher() int {
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lastIndex = i + 1
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}
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}
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// If we didn't actually find a host matcher, return 0
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// because that means every defined route was a "catch-all".
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// See https://caddy.community/t/how-to-set-priority-in-caddyfile/13002/8
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if !foundHostMatcher {
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return 0
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}
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return lastIndex
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}
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