2019-10-10 14:37:08 -05:00
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// Copyright 2015 Matthew Holt and The Caddy Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package caddyhttp
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import (
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"context"
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"crypto/tls"
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"crypto/x509"
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"encoding/pem"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/caddyserver/caddy/v2"
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)
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func TestHTTPVarReplacement(t *testing.T) {
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req, _ := http.NewRequest("GET", "/", nil)
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repl := caddy.NewReplacer()
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ctx := context.WithValue(req.Context(), caddy.ReplacerCtxKey, repl)
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req = req.WithContext(ctx)
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req.Host = "example.com:80"
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req.RemoteAddr = "localhost:1234"
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clientCert := []byte(`-----BEGIN CERTIFICATE-----
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MIIB9jCCAV+gAwIBAgIBAjANBgkqhkiG9w0BAQsFADAYMRYwFAYDVQQDDA1DYWRk
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eSBUZXN0IENBMB4XDTE4MDcyNDIxMzUwNVoXDTI4MDcyMTIxMzUwNVowHTEbMBkG
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A1UEAwwSY2xpZW50LmxvY2FsZG9tYWluMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCB
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iQKBgQDFDEpzF0ew68teT3xDzcUxVFaTII+jXH1ftHXxxP4BEYBU4q90qzeKFneF
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z83I0nC0WAQ45ZwHfhLMYHFzHPdxr6+jkvKPASf0J2v2HDJuTM1bHBbik5Ls5eq+
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fVZDP8o/VHKSBKxNs8Goc2NTsr5b07QTIpkRStQK+RJALk4x9QIDAQABo0swSTAJ
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BgNVHRMEAjAAMAsGA1UdDwQEAwIHgDAaBgNVHREEEzARgglsb2NhbGhvc3SHBH8A
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AAEwEwYDVR0lBAwwCgYIKwYBBQUHAwIwDQYJKoZIhvcNAQELBQADgYEANSjz2Sk+
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eqp31wM9il1n+guTNyxJd+FzVAH+hCZE5K+tCgVDdVFUlDEHHbS/wqb2PSIoouLV
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3Q9fgDkiUod+uIK0IynzIKvw+Cjg+3nx6NQ0IM0zo8c7v398RzB4apbXKZyeeqUH
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9fNwfEi+OoXR6s+upSKobCmLGLGi9Na5s5g=
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-----END CERTIFICATE-----`)
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block, _ := pem.Decode(clientCert)
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if block == nil {
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t.Fatalf("failed to decode PEM certificate")
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}
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cert, err := x509.ParseCertificate(block.Bytes)
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if err != nil {
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t.Fatalf("failed to decode PEM certificate: %v", err)
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}
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req.TLS = &tls.ConnectionState{
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Version: tls.VersionTLS13,
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HandshakeComplete: true,
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ServerName: "foo.com",
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CipherSuite: tls.TLS_AES_256_GCM_SHA384,
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PeerCertificates: []*x509.Certificate{cert},
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NegotiatedProtocol: "h2",
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NegotiatedProtocolIsMutual: true,
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}
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res := httptest.NewRecorder()
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addHTTPVarsToReplacer(repl, req, res)
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for i, tc := range []struct {
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input string
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expect string
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}{
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{
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input: "{http.request.scheme}",
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expect: "https",
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},
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{
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input: "{http.request.host}",
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expect: "example.com",
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},
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{
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input: "{http.request.port}",
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expect: "80",
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},
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{
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input: "{http.request.hostport}",
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expect: "example.com:80",
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},
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{
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input: "{http.request.remote.host}",
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expect: "localhost",
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},
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{
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input: "{http.request.remote.port}",
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expect: "1234",
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},
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{
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input: "{http.request.host.labels.0}",
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expect: "com",
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},
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{
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input: "{http.request.host.labels.1}",
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expect: "example",
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},
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{
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input: "{http.request.host.labels.2}",
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expect: "<empty>",
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},
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{
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input: "{http.request.tls.cipher_suite}",
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expect: "TLS_AES_256_GCM_SHA384",
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},
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{
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input: "{http.request.tls.proto}",
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expect: "h2",
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},
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{
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input: "{http.request.tls.proto_mutual}",
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expect: "true",
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},
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{
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input: "{http.request.tls.resumed}",
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expect: "false",
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},
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{
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input: "{http.request.tls.server_name}",
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expect: "foo.com",
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},
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{
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input: "{http.request.tls.version}",
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expect: "tls1.3",
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},
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{
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input: "{http.request.tls.client.fingerprint}",
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expect: "9f57b7b497cceacc5459b76ac1c3afedbc12b300e728071f55f84168ff0f7702",
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},
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{
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input: "{http.request.tls.client.issuer}",
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expect: "CN=Caddy Test CA",
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},
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{
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input: "{http.request.tls.client.serial}",
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expect: "2",
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},
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{
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input: "{http.request.tls.client.subject}",
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expect: "CN=client.localdomain",
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},
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{
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input: "{http.request.tls.client.san.dns_names}",
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expect: "[localhost]",
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},
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{
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input: "{http.request.tls.client.san.dns_names.0}",
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expect: "localhost",
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},
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{
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input: "{http.request.tls.client.san.dns_names.1}",
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expect: "<empty>",
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},
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{
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input: "{http.request.tls.client.san.ips}",
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expect: "[127.0.0.1]",
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},
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{
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input: "{http.request.tls.client.san.ips.0}",
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expect: "127.0.0.1",
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},
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} {
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actual := repl.ReplaceAll(tc.input, "<empty>")
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if actual != tc.expect {
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t.Errorf("Test %d: Expected placeholder %s to be '%s' but got '%s'",
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i, tc.input, tc.expect, actual)
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}
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}
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}
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