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07c863637d
caddy/caddytest/integration/caddyfile_test.go
Emily ddb1d2c2b1
caddyhttp: add http.request.local{,.host,.port} placeholder (#6182) 
* caddyhttp: add `http.request.local{,.host,.port}` placeholder

This is the counterpart of `http.request.remote{,.host,.port}`.

`http.request.remote` operates on the remote client's address, while
`http.request.local` operates on the address the connection arrived on.

Take the following example:

- Caddy serving on `203.0.113.1:80`
- Client on `203.0.113.2`

`http.request.remote.host` would return `203.0.113.2` (client IP)

`http.request.local.host` would return `203.0.113.1` (server IP)
`http.request.local.port` would return `80` (server port)

I find this helpful for debugging setups with multiple servers and/or
multiple network paths (multiple IPs, AnyIP, Anycast).

Co-authored-by: networkException <git@nwex.de>

* caddyhttp: add unit test for `http.request.local{,.host,.port}`

* caddyhttp: add integration test for `http.request.local.port`

* caddyhttp: fix `http.request.local.host` placeholder handling with unix sockets

The implementation matches the one of `http.request.remote.host` now and
returns the unix socket path (just like `http.request.local` already did)
instead of an empty string.

---------

Co-authored-by: networkException <git@nwex.de>
2024-03-27 21:36:53 +00:00

812 lines
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package integration
import (
"net/http"
"net/url"
"testing"
"github.com/caddyserver/caddy/v2/caddytest"
)
func TestRespond(t *testing.T) {
// arrange
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
https_port 9443
grace_period 1ns
}
localhost:9080 {
respond /version 200 {
body "hello from localhost"
}
}
`, "caddyfile")
// act and assert
tester.AssertGetResponse("http://localhost:9080/version", 200, "hello from localhost")
}
func TestRedirect(t *testing.T) {
// arrange
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
https_port 9443
grace_period 1ns
}
localhost:9080 {
redir / http://localhost:9080/hello 301
respond /hello 200 {
body "hello from localhost"
}
}
`, "caddyfile")
// act and assert
tester.AssertRedirect("http://localhost:9080/", "http://localhost:9080/hello", 301)
// follow redirect
tester.AssertGetResponse("http://localhost:9080/", 200, "hello from localhost")
}
func TestDuplicateHosts(t *testing.T) {
// act and assert
caddytest.AssertLoadError(t,
`
localhost:9080 {
}
localhost:9080 {
}
`,
"caddyfile",
"ambiguous site definition")
}
func TestReadCookie(t *testing.T) {
localhost, _ := url.Parse("http://localhost")
cookie := http.Cookie{
Name: "clientname",
Value: "caddytest",
}
// arrange
tester := caddytest.NewTester(t)
tester.Client.Jar.SetCookies(localhost, []*http.Cookie{&cookie})
tester.InitServer(`
{
skip_install_trust
admin localhost:2999
http_port 9080
https_port 9443
grace_period 1ns
}
localhost:9080 {
templates {
root testdata
}
file_server {
root testdata
}
}
`, "caddyfile")
// act and assert
tester.AssertGetResponse("http://localhost:9080/cookie.html", 200, "<h2>Cookie.ClientName caddytest</h2>")
}
func TestReplIndex(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
skip_install_trust
admin localhost:2999
http_port 9080
https_port 9443
grace_period 1ns
}
localhost:9080 {
templates {
root testdata
}
file_server {
root testdata
index "index.{host}.html"
}
}
`, "caddyfile")
// act and assert
tester.AssertGetResponse("http://localhost:9080/", 200, "")
}
func TestInvalidPrefix(t *testing.T) {
type testCase struct {
config, expectedError string
}
failureCases := []testCase{
{
config: `wss://localhost`,
expectedError: `the scheme wss:// is only supported in browsers; use https:// instead`,
},
{
config: `ws://localhost`,
expectedError: `the scheme ws:// is only supported in browsers; use http:// instead`,
},
{
config: `someInvalidPrefix://localhost`,
expectedError: "unsupported URL scheme someinvalidprefix://",
},
{
config: `h2c://localhost`,
expectedError: `unsupported URL scheme h2c://`,
},
{
config: `localhost, wss://localhost`,
expectedError: `the scheme wss:// is only supported in browsers; use https:// instead`,
},
{
config: `localhost {
reverse_proxy ws://localhost"
}`,
expectedError: `the scheme ws:// is only supported in browsers; use http:// instead`,
},
{
config: `localhost {
reverse_proxy someInvalidPrefix://localhost"
}`,
expectedError: `unsupported URL scheme someinvalidprefix://`,
},
}
for _, failureCase := range failureCases {
caddytest.AssertLoadError(t, failureCase.config, "caddyfile", failureCase.expectedError)
}
}
func TestValidPrefix(t *testing.T) {
type testCase struct {
rawConfig, expectedResponse string
}
successCases := []testCase{
{
"localhost",
`{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":443"
],
"routes": [
{
"match": [
{
"host": [
"localhost"
]
}
],
"terminal": true
}
]
}
}
}
}
}`,
},
{
"https://localhost",
`{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":443"
],
"routes": [
{
"match": [
{
"host": [
"localhost"
]
}
],
"terminal": true
}
]
}
}
}
}
}`,
},
{
"http://localhost",
`{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":80"
],
"routes": [
{
"match": [
{
"host": [
"localhost"
]
}
],
"terminal": true
}
]
}
}
}
}
}`,
},
{
`localhost {
reverse_proxy http://localhost:3000
}`,
`{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":443"
],
"routes": [
{
"match": [
{
"host": [
"localhost"
]
}
],
"handle": [
{
"handler": "subroute",
"routes": [
{
"handle": [
{
"handler": "reverse_proxy",
"upstreams": [
{
"dial": "localhost:3000"
}
]
}
]
}
]
}
],
"terminal": true
}
]
}
}
}
}
}`,
},
{
`localhost {
reverse_proxy https://localhost:3000
}`,
`{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":443"
],
"routes": [
{
"match": [
{
"host": [
"localhost"
]
}
],
"handle": [
{
"handler": "subroute",
"routes": [
{
"handle": [
{
"handler": "reverse_proxy",
"transport": {
"protocol": "http",
"tls": {}
},
"upstreams": [
{
"dial": "localhost:3000"
}
]
}
]
}
]
}
],
"terminal": true
}
]
}
}
}
}
}`,
},
{
`localhost {
reverse_proxy h2c://localhost:3000
}`,
`{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":443"
],
"routes": [
{
"match": [
{
"host": [
"localhost"
]
}
],
"handle": [
{
"handler": "subroute",
"routes": [
{
"handle": [
{
"handler": "reverse_proxy",
"transport": {
"protocol": "http",
"versions": [
"h2c",
"2"
]
},
"upstreams": [
{
"dial": "localhost:3000"
}
]
}
]
}
]
}
],
"terminal": true
}
]
}
}
}
}
}`,
},
{
`localhost {
reverse_proxy localhost:3000
}`,
`{
"apps": {
"http": {
"servers": {
"srv0": {
"listen": [
":443"
],
"routes": [
{
"match": [
{
"host": [
"localhost"
]
}
],
"handle": [
{
"handler": "subroute",
"routes": [
{
"handle": [
{
"handler": "reverse_proxy",
"upstreams": [
{
"dial": "localhost:3000"
}
]
}
]
}
]
}
],
"terminal": true
}
]
}
}
}
}
}`,
},
}
for _, successCase := range successCases {
caddytest.AssertAdapt(t, successCase.rawConfig, "caddyfile", successCase.expectedResponse)
}
}
func TestUriReplace(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
}
:9080
uri replace "\}" %7D
uri replace "\{" %7B
respond "{query}"`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/endpoint?test={%20content%20}", 200, "test=%7B%20content%20%7D")
}
func TestUriOps(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
}
:9080
uri query +foo bar
uri query -baz
uri query taz test
uri query key=value example
uri query changethis>changed
respond "{query}"`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/endpoint?foo=bar0&baz=buz&taz=nottest&changethis=val", 200, "changed=val&foo=bar0&foo=bar&key%3Dvalue=example&taz=test")
}
// Tests the `http.request.local.port` placeholder.
// We don't test the very similar `http.request.local.host` placeholder,
// because depending on the host the test is running on, localhost might
// refer to 127.0.0.1 or ::1.
// TODO: Test each http version separately (especially http/3)
func TestHttpRequestLocalPortPlaceholder(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
}
:9080
respond "{http.request.local.port}"`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/", 200, "9080")
}
func TestSetThenAddQueryParams(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
}
:9080
uri query foo bar
uri query +foo baz
respond "{query}"`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/endpoint", 200, "foo=bar&foo=baz")
}
func TestSetThenDeleteParams(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
}
:9080
uri query bar foo{query.foo}
uri query -foo
respond "{query}"`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/endpoint?foo=bar", 200, "bar=foobar")
}
func TestRenameAndOtherOps(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
}
:9080
uri query foo>bar
uri query bar taz
uri query +bar baz
respond "{query}"`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/endpoint?foo=bar", 200, "bar=taz&bar=baz")
}
func TestReplaceOps(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
}
:9080
uri query foo bar baz
respond "{query}"`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/endpoint?foo=bar", 200, "foo=baz")
}
func TestReplaceWithReplacementPlaceholder(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
}
:9080
uri query foo bar {query.placeholder}
respond "{query}"`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/endpoint?placeholder=baz&foo=bar", 200, "foo=baz&placeholder=baz")
}
func TestReplaceWithKeyPlaceholder(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
}
:9080
uri query {query.placeholder} bar baz
respond "{query}"`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/endpoint?placeholder=foo&foo=bar", 200, "foo=baz&placeholder=foo")
}
func TestPartialReplacement(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
}
:9080
uri query foo ar az
respond "{query}"`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/endpoint?foo=bar", 200, "foo=baz")
}
func TestNonExistingSearch(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
}
:9080
uri query foo var baz
respond "{query}"`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/endpoint?foo=bar", 200, "foo=bar")
}
func TestReplaceAllOps(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
}
:9080
uri query * bar baz
respond "{query}"`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/endpoint?foo=bar&baz=bar", 200, "baz=baz&foo=baz")
}
func TestUriOpsBlock(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`
{
admin localhost:2999
http_port 9080
}
:9080
uri query {
+foo bar
-baz
taz test
}
respond "{query}"`, "caddyfile")
tester.AssertGetResponse("http://localhost:9080/endpoint?foo=bar0&baz=buz&taz=nottest", 200, "foo=bar0&foo=bar&taz=test")
}
func TestHandleErrorSimpleCodes(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`{
admin localhost:2999
http_port 9080
}
localhost:9080 {
root * /srv
error /private* "Unauthorized" 410
error /hidden* "Not found" 404
handle_errors 404 410 {
respond "404 or 410 error"
}
}`, "caddyfile")
// act and assert
tester.AssertGetResponse("http://localhost:9080/private", 410, "404 or 410 error")
tester.AssertGetResponse("http://localhost:9080/hidden", 404, "404 or 410 error")
}
func TestHandleErrorRange(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`{
admin localhost:2999
http_port 9080
}
localhost:9080 {
root * /srv
error /private* "Unauthorized" 410
error /hidden* "Not found" 404
handle_errors 4xx {
respond "Error in the [400 .. 499] range"
}
}`, "caddyfile")
// act and assert
tester.AssertGetResponse("http://localhost:9080/private", 410, "Error in the [400 .. 499] range")
tester.AssertGetResponse("http://localhost:9080/hidden", 404, "Error in the [400 .. 499] range")
}
func TestHandleErrorSort(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`{
admin localhost:2999
http_port 9080
}
localhost:9080 {
root * /srv
error /private* "Unauthorized" 410
error /hidden* "Not found" 404
error /internalerr* "Internal Server Error" 500
handle_errors {
respond "Fallback route: code outside the [400..499] range"
}
handle_errors 4xx {
respond "Error in the [400 .. 499] range"
}
}`, "caddyfile")
// act and assert
tester.AssertGetResponse("http://localhost:9080/internalerr", 500, "Fallback route: code outside the [400..499] range")
tester.AssertGetResponse("http://localhost:9080/hidden", 404, "Error in the [400 .. 499] range")
}
func TestHandleErrorRangeAndCodes(t *testing.T) {
tester := caddytest.NewTester(t)
tester.InitServer(`{
admin localhost:2999
http_port 9080
}
localhost:9080 {
root * /srv
error /private* "Unauthorized" 410
error /threehundred* "Moved Permanently" 301
error /internalerr* "Internal Server Error" 500
handle_errors 500 3xx {
respond "Error code is equal to 500 or in the [300..399] range"
}
handle_errors 4xx {
respond "Error in the [400 .. 499] range"
}
}`, "caddyfile")
// act and assert
tester.AssertGetResponse("http://localhost:9080/internalerr", 500, "Error code is equal to 500 or in the [300..399] range")
tester.AssertGetResponse("http://localhost:9080/threehundred", 301, "Error code is equal to 500 or in the [300..399] range")
tester.AssertGetResponse("http://localhost:9080/private", 410, "Error in the [400 .. 499] range")
}
func TestInvalidSiteAddressesAsDirectives(t *testing.T) {
type testCase struct {
config, expectedError string
}
failureCases := []testCase{
{
config: `
handle {
file_server
}`,
expectedError: `Caddyfile:2: parsed 'handle' as a site address, but it is a known directive; directives must appear in a site block`,
},
{
config: `
reverse_proxy localhost:9000 localhost:9001 {
file_server
}`,
expectedError: `Caddyfile:2: parsed 'reverse_proxy' as a site address, but it is a known directive; directives must appear in a site block`,
},
}
for _, failureCase := range failureCases {
caddytest.AssertLoadError(t, failureCase.config, "caddyfile", failureCase.expectedError)
}
}
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