mirror of
https://github.com/caddyserver/caddy.git
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259 lines
7.9 KiB
Go
259 lines
7.9 KiB
Go
// 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 rewrite
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import (
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"net/http"
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"testing"
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"github.com/caddyserver/caddy/v2"
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)
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func TestRewrite(t *testing.T) {
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repl := caddy.NewReplacer()
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for i, tc := range []struct {
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input, expect *http.Request
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rule Rewrite
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}{
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{
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input: newRequest(t, "GET", "/"),
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expect: newRequest(t, "GET", "/"),
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},
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{
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rule: Rewrite{Method: "GET", URI: "/"},
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input: newRequest(t, "GET", "/"),
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expect: newRequest(t, "GET", "/"),
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},
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{
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rule: Rewrite{Method: "POST"},
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input: newRequest(t, "GET", "/"),
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expect: newRequest(t, "POST", "/"),
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},
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{
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rule: Rewrite{URI: "/foo"},
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input: newRequest(t, "GET", "/"),
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expect: newRequest(t, "GET", "/foo"),
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},
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{
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rule: Rewrite{URI: "/foo"},
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input: newRequest(t, "GET", "/bar"),
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expect: newRequest(t, "GET", "/foo"),
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},
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{
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rule: Rewrite{URI: "foo"},
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input: newRequest(t, "GET", "/"),
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expect: newRequest(t, "GET", "foo"),
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},
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{
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rule: Rewrite{URI: "/foo{http.request.uri.path}"},
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input: newRequest(t, "GET", "/bar"),
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expect: newRequest(t, "GET", "/foo/bar"),
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},
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{
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rule: Rewrite{URI: "/?c=d"},
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input: newRequest(t, "GET", "/"),
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expect: newRequest(t, "GET", "/?c=d"),
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},
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{
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rule: Rewrite{URI: "/?c=d"},
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input: newRequest(t, "GET", "/?a=b"),
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expect: newRequest(t, "GET", "/?c=d"),
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},
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{
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rule: Rewrite{URI: "?c=d"},
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input: newRequest(t, "GET", "/foo"),
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expect: newRequest(t, "GET", "/foo?c=d"),
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},
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{
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rule: Rewrite{URI: "/?c=d"},
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input: newRequest(t, "GET", "/foo"),
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expect: newRequest(t, "GET", "/?c=d"),
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},
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{
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rule: Rewrite{URI: "/?{http.request.uri.query}&c=d"},
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input: newRequest(t, "GET", "/"),
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expect: newRequest(t, "GET", "/?c=d"),
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},
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{
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rule: Rewrite{URI: "/foo?{http.request.uri.query}&c=d"},
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input: newRequest(t, "GET", "/"),
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expect: newRequest(t, "GET", "/foo?c=d"),
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},
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{
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rule: Rewrite{URI: "?{http.request.uri.query}&c=d"},
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input: newRequest(t, "GET", "/foo"),
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expect: newRequest(t, "GET", "/foo?c=d"),
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},
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{
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rule: Rewrite{URI: "{http.request.uri.path}?{http.request.uri.query}&c=d"},
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input: newRequest(t, "GET", "/foo"),
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expect: newRequest(t, "GET", "/foo?c=d"),
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},
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{
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rule: Rewrite{URI: "{http.request.uri.path}?{http.request.uri.query}&c=d"},
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input: newRequest(t, "GET", "/foo"),
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expect: newRequest(t, "GET", "/foo?c=d"),
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},
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{
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rule: Rewrite{URI: "/index.php?{http.request.uri.query}&c=d"},
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input: newRequest(t, "GET", "/foo"),
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expect: newRequest(t, "GET", "/index.php?c=d"),
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},
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{
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rule: Rewrite{URI: "?a=b&c=d"},
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input: newRequest(t, "GET", "/foo"),
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expect: newRequest(t, "GET", "/foo?a=b&c=d"),
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},
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{
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rule: Rewrite{URI: "/index.php?{http.request.uri.query}&c=d"},
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input: newRequest(t, "GET", "/?a=b"),
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expect: newRequest(t, "GET", "/index.php?a=b&c=d"),
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},
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{
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rule: Rewrite{URI: "/index.php?c=d&{http.request.uri.query}"},
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input: newRequest(t, "GET", "/?a=b"),
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expect: newRequest(t, "GET", "/index.php?c=d&a=b"),
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},
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{
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rule: Rewrite{URI: "/index.php?{http.request.uri.query}&p={http.request.uri.path}"},
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input: newRequest(t, "GET", "/foo/bar?a=b"),
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expect: newRequest(t, "GET", "/index.php?a=b&p=%2Ffoo%2Fbar"),
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},
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{
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rule: Rewrite{URI: "{http.request.uri.path}?"},
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input: newRequest(t, "GET", "/foo/bar?a=b&c=d"),
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expect: newRequest(t, "GET", "/foo/bar"),
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},
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{
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rule: Rewrite{URI: "?qs={http.request.uri.query}"},
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input: newRequest(t, "GET", "/foo?a=b&c=d"),
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expect: newRequest(t, "GET", "/foo?qs=a%3Db%26c%3Dd"),
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},
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{
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rule: Rewrite{URI: "/foo?{http.request.uri.query}#frag"},
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input: newRequest(t, "GET", "/foo/bar?a=b"),
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expect: newRequest(t, "GET", "/foo?a=b#frag"),
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},
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{
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rule: Rewrite{StripPathPrefix: "/prefix"},
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input: newRequest(t, "GET", "/foo/bar"),
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expect: newRequest(t, "GET", "/foo/bar"),
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},
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{
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rule: Rewrite{StripPathPrefix: "/prefix"},
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input: newRequest(t, "GET", "/prefix/foo/bar"),
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expect: newRequest(t, "GET", "/foo/bar"),
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},
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{
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rule: Rewrite{StripPathPrefix: "/prefix"},
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input: newRequest(t, "GET", "/foo/prefix/bar"),
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expect: newRequest(t, "GET", "/foo/prefix/bar"),
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},
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{
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rule: Rewrite{StripPathSuffix: "/suffix"},
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input: newRequest(t, "GET", "/foo/bar"),
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expect: newRequest(t, "GET", "/foo/bar"),
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},
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{
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rule: Rewrite{StripPathSuffix: "suffix"},
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input: newRequest(t, "GET", "/foo/bar/suffix"),
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expect: newRequest(t, "GET", "/foo/bar/"),
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},
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{
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rule: Rewrite{StripPathSuffix: "/suffix"},
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input: newRequest(t, "GET", "/foo/suffix/bar"),
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expect: newRequest(t, "GET", "/foo/suffix/bar"),
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},
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{
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rule: Rewrite{URISubstring: []replacer{{Find: "findme", Replace: "replaced"}}},
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input: newRequest(t, "GET", "/foo/bar"),
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expect: newRequest(t, "GET", "/foo/bar"),
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},
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{
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rule: Rewrite{URISubstring: []replacer{{Find: "findme", Replace: "replaced"}}},
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input: newRequest(t, "GET", "/foo/findme/bar"),
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expect: newRequest(t, "GET", "/foo/replaced/bar"),
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},
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} {
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// copy the original input just enough so that we can
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// compare it after the rewrite to see if it changed
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originalInput := &http.Request{
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Method: tc.input.Method,
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RequestURI: tc.input.RequestURI,
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URL: &*tc.input.URL,
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}
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// populate the replacer just enough for our tests
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repl.Set("http.request.uri.path", tc.input.URL.Path)
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repl.Set("http.request.uri.query", tc.input.URL.RawQuery)
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changed := tc.rule.rewrite(tc.input, repl, nil)
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if expected, actual := !reqEqual(originalInput, tc.input), changed; expected != actual {
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t.Errorf("Test %d: Expected changed=%t but was %t", i, expected, actual)
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}
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if expected, actual := tc.expect.Method, tc.input.Method; expected != actual {
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t.Errorf("Test %d: Expected Method='%s' but got '%s'", i, expected, actual)
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}
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if expected, actual := tc.expect.RequestURI, tc.input.RequestURI; expected != actual {
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t.Errorf("Test %d: Expected RequestURI='%s' but got '%s'", i, expected, actual)
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}
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if expected, actual := tc.expect.URL.String(), tc.input.URL.String(); expected != actual {
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t.Errorf("Test %d: Expected URL='%s' but got '%s'", i, expected, actual)
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}
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if expected, actual := tc.expect.URL.RequestURI(), tc.input.URL.RequestURI(); expected != actual {
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t.Errorf("Test %d: Expected URL.RequestURI()='%s' but got '%s'", i, expected, actual)
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}
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if expected, actual := tc.expect.URL.Fragment, tc.input.URL.Fragment; expected != actual {
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t.Errorf("Test %d: Expected URL.Fragment='%s' but got '%s'", i, expected, actual)
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}
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}
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}
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func newRequest(t *testing.T, method, uri string) *http.Request {
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req, err := http.NewRequest(method, uri, nil)
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if err != nil {
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t.Fatalf("error creating request: %v", err)
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}
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req.RequestURI = req.URL.RequestURI() // simulate incoming request
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return req
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}
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// reqEqual if r1 and r2 are equal enough for our purposes.
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func reqEqual(r1, r2 *http.Request) bool {
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if r1.Method != r2.Method {
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return false
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}
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if r1.RequestURI != r2.RequestURI {
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return false
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}
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if (r1.URL == nil && r2.URL != nil) || (r1.URL != nil && r2.URL == nil) {
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return false
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}
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if r1.URL == nil && r2.URL == nil {
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return true
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}
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return r1.URL.Scheme == r2.URL.Scheme &&
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r1.URL.Host == r2.URL.Host &&
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r1.URL.Path == r2.URL.Path &&
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r1.URL.RawPath == r2.URL.RawPath &&
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r1.URL.RawQuery == r2.URL.RawQuery &&
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r1.URL.Fragment == r2.URL.Fragment
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}
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