mirror of
https://github.com/labstack/echo.git
synced 2024-11-24 08:22:21 +02:00
262 lines
7.7 KiB
Go
262 lines
7.7 KiB
Go
package middleware
|
|
|
|
import (
|
|
"io"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"net/url"
|
|
"regexp"
|
|
"testing"
|
|
|
|
"github.com/labstack/echo/v4"
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func TestRewriteAfterRouting(t *testing.T) {
|
|
e := echo.New()
|
|
// middlewares added with `Use()` are executed after routing is done and do not affect which route handler is matched
|
|
e.Use(RewriteWithConfig(RewriteConfig{
|
|
Rules: map[string]string{
|
|
"/old": "/new",
|
|
"/api/*": "/$1",
|
|
"/js/*": "/public/javascripts/$1",
|
|
"/users/*/orders/*": "/user/$1/order/$2",
|
|
},
|
|
}))
|
|
e.GET("/public/*", func(c echo.Context) error {
|
|
return c.String(http.StatusOK, c.Param("*"))
|
|
})
|
|
e.GET("/*", func(c echo.Context) error {
|
|
return c.String(http.StatusOK, c.Param("*"))
|
|
})
|
|
|
|
var testCases = []struct {
|
|
whenPath string
|
|
expectRoutePath string
|
|
expectRequestPath string
|
|
expectRequestRawPath string
|
|
}{
|
|
{
|
|
whenPath: "/api/users",
|
|
expectRoutePath: "api/users",
|
|
expectRequestPath: "/users",
|
|
expectRequestRawPath: "",
|
|
},
|
|
{
|
|
whenPath: "/js/main.js",
|
|
expectRoutePath: "js/main.js",
|
|
expectRequestPath: "/public/javascripts/main.js",
|
|
expectRequestRawPath: "",
|
|
},
|
|
{
|
|
whenPath: "/users/jack/orders/1",
|
|
expectRoutePath: "users/jack/orders/1",
|
|
expectRequestPath: "/user/jack/order/1",
|
|
expectRequestRawPath: "",
|
|
},
|
|
{ // no rewrite rule matched. already encoded URL should not be double encoded or changed in any way
|
|
whenPath: "/user/jill/order/T%2FcO4lW%2Ft%2FVp%2F",
|
|
expectRoutePath: "user/jill/order/T%2FcO4lW%2Ft%2FVp%2F",
|
|
expectRequestPath: "/user/jill/order/T/cO4lW/t/Vp/", // this is equal to `url.Parse(tc.whenPath)` result
|
|
expectRequestRawPath: "/user/jill/order/T%2FcO4lW%2Ft%2FVp%2F",
|
|
},
|
|
{ // just rewrite but do not touch encoding. already encoded URL should not be double encoded
|
|
whenPath: "/users/jill/orders/T%2FcO4lW%2Ft%2FVp%2F",
|
|
expectRoutePath: "users/jill/orders/T%2FcO4lW%2Ft%2FVp%2F",
|
|
expectRequestPath: "/user/jill/order/T/cO4lW/t/Vp/", // this is equal to `url.Parse(tc.whenPath)` result
|
|
expectRequestRawPath: "/user/jill/order/T%2FcO4lW%2Ft%2FVp%2F",
|
|
},
|
|
{ // ` ` (space) is encoded by httpClient to `%20` when doing request to Echo. `%20` should not be double escaped or changed in any way when rewriting request
|
|
whenPath: "/api/new users",
|
|
expectRoutePath: "api/new users",
|
|
expectRequestPath: "/new users",
|
|
expectRequestRawPath: "",
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.whenPath, func(t *testing.T) {
|
|
target, _ := url.Parse(tc.whenPath)
|
|
req := httptest.NewRequest(http.MethodGet, target.String(), nil)
|
|
rec := httptest.NewRecorder()
|
|
|
|
e.ServeHTTP(rec, req)
|
|
|
|
assert.Equal(t, http.StatusOK, rec.Code)
|
|
assert.Equal(t, tc.expectRoutePath, rec.Body.String())
|
|
assert.Equal(t, tc.expectRequestPath, req.URL.Path)
|
|
assert.Equal(t, tc.expectRequestRawPath, req.URL.RawPath)
|
|
})
|
|
}
|
|
}
|
|
|
|
// Issue #1086
|
|
func TestEchoRewritePreMiddleware(t *testing.T) {
|
|
e := echo.New()
|
|
r := e.Router()
|
|
|
|
// Rewrite old url to new one
|
|
// middlewares added with `Pre()` are executed before routing is done and therefore change which handler matches
|
|
e.Pre(Rewrite(map[string]string{
|
|
"/old": "/new",
|
|
},
|
|
))
|
|
|
|
// Route
|
|
r.Add(http.MethodGet, "/new", func(c echo.Context) error {
|
|
return c.NoContent(http.StatusOK)
|
|
})
|
|
|
|
req := httptest.NewRequest(http.MethodGet, "/old", nil)
|
|
rec := httptest.NewRecorder()
|
|
e.ServeHTTP(rec, req)
|
|
assert.Equal(t, "/new", req.URL.EscapedPath())
|
|
assert.Equal(t, http.StatusOK, rec.Code)
|
|
}
|
|
|
|
// Issue #1143
|
|
func TestRewriteWithConfigPreMiddleware_Issue1143(t *testing.T) {
|
|
e := echo.New()
|
|
r := e.Router()
|
|
|
|
// middlewares added with `Pre()` are executed before routing is done and therefore change which handler matches
|
|
e.Pre(RewriteWithConfig(RewriteConfig{
|
|
Rules: map[string]string{
|
|
"/api/*/mgmt/proj/*/agt": "/api/$1/hosts/$2",
|
|
"/api/*/mgmt/proj": "/api/$1/eng",
|
|
},
|
|
}))
|
|
|
|
r.Add(http.MethodGet, "/api/:version/hosts/:name", func(c echo.Context) error {
|
|
return c.String(http.StatusOK, "hosts")
|
|
})
|
|
r.Add(http.MethodGet, "/api/:version/eng", func(c echo.Context) error {
|
|
return c.String(http.StatusOK, "eng")
|
|
})
|
|
|
|
for i := 0; i < 100; i++ {
|
|
req := httptest.NewRequest(http.MethodGet, "/api/v1/mgmt/proj/test/agt", nil)
|
|
rec := httptest.NewRecorder()
|
|
e.ServeHTTP(rec, req)
|
|
assert.Equal(t, "/api/v1/hosts/test", req.URL.EscapedPath())
|
|
assert.Equal(t, http.StatusOK, rec.Code)
|
|
|
|
defer rec.Result().Body.Close()
|
|
bodyBytes, _ := io.ReadAll(rec.Result().Body)
|
|
assert.Equal(t, "hosts", string(bodyBytes))
|
|
}
|
|
}
|
|
|
|
// Issue #1573
|
|
func TestEchoRewriteWithCaret(t *testing.T) {
|
|
e := echo.New()
|
|
|
|
e.Pre(RewriteWithConfig(RewriteConfig{
|
|
Rules: map[string]string{
|
|
"^/abc/*": "/v1/abc/$1",
|
|
},
|
|
}))
|
|
|
|
rec := httptest.NewRecorder()
|
|
|
|
var req *http.Request
|
|
|
|
req = httptest.NewRequest(http.MethodGet, "/abc/test", nil)
|
|
e.ServeHTTP(rec, req)
|
|
assert.Equal(t, "/v1/abc/test", req.URL.Path)
|
|
|
|
req = httptest.NewRequest(http.MethodGet, "/v1/abc/test", nil)
|
|
e.ServeHTTP(rec, req)
|
|
assert.Equal(t, "/v1/abc/test", req.URL.Path)
|
|
|
|
req = httptest.NewRequest(http.MethodGet, "/v2/abc/test", nil)
|
|
e.ServeHTTP(rec, req)
|
|
assert.Equal(t, "/v2/abc/test", req.URL.Path)
|
|
}
|
|
|
|
// Verify regex used with rewrite
|
|
func TestEchoRewriteWithRegexRules(t *testing.T) {
|
|
e := echo.New()
|
|
|
|
e.Pre(RewriteWithConfig(RewriteConfig{
|
|
Rules: map[string]string{
|
|
"^/a/*": "/v1/$1",
|
|
"^/b/*/c/*": "/v2/$2/$1",
|
|
"^/c/*/*": "/v3/$2",
|
|
},
|
|
RegexRules: map[*regexp.Regexp]string{
|
|
regexp.MustCompile("^/x/.+?/(.*)"): "/v4/$1",
|
|
regexp.MustCompile("^/y/(.+?)/(.*)"): "/v5/$2/$1",
|
|
},
|
|
}))
|
|
|
|
var rec *httptest.ResponseRecorder
|
|
var req *http.Request
|
|
|
|
testCases := []struct {
|
|
requestPath string
|
|
expectPath string
|
|
}{
|
|
{"/unmatched", "/unmatched"},
|
|
{"/a/test", "/v1/test"},
|
|
{"/b/foo/c/bar/baz", "/v2/bar/baz/foo"},
|
|
{"/c/ignore/test", "/v3/test"},
|
|
{"/c/ignore1/test/this", "/v3/test/this"},
|
|
{"/x/ignore/test", "/v4/test"},
|
|
{"/y/foo/bar", "/v5/bar/foo"},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.requestPath, func(t *testing.T) {
|
|
req = httptest.NewRequest(http.MethodGet, tc.requestPath, nil)
|
|
rec = httptest.NewRecorder()
|
|
e.ServeHTTP(rec, req)
|
|
assert.Equal(t, tc.expectPath, req.URL.EscapedPath())
|
|
})
|
|
}
|
|
}
|
|
|
|
// Ensure correct escaping as defined in replacement (issue #1798)
|
|
func TestEchoRewriteReplacementEscaping(t *testing.T) {
|
|
e := echo.New()
|
|
|
|
// NOTE: these are incorrect regexps as they do not factor in that URI we are replacing could contain ? (query) and # (fragment) parts
|
|
// so in reality they append query and fragment part as `$1` matches everything after that prefix
|
|
e.Pre(RewriteWithConfig(RewriteConfig{
|
|
Rules: map[string]string{
|
|
"^/a/*": "/$1?query=param",
|
|
"^/b/*": "/$1;part#one",
|
|
},
|
|
RegexRules: map[*regexp.Regexp]string{
|
|
regexp.MustCompile("^/x/(.*)"): "/$1?query=param",
|
|
regexp.MustCompile("^/y/(.*)"): "/$1;part#one",
|
|
regexp.MustCompile("^/z/(.*)"): "/$1?test=1#escaped%20test",
|
|
},
|
|
}))
|
|
|
|
var rec *httptest.ResponseRecorder
|
|
var req *http.Request
|
|
|
|
testCases := []struct {
|
|
requestPath string
|
|
expect string
|
|
}{
|
|
{"/unmatched", "/unmatched"},
|
|
{"/a/test", "/test?query=param"},
|
|
{"/b/foo/bar", "/foo/bar;part#one"},
|
|
{"/x/test", "/test?query=param"},
|
|
{"/y/foo/bar", "/foo/bar;part#one"},
|
|
{"/z/foo/b%20ar", "/foo/b%20ar?test=1#escaped%20test"},
|
|
{"/z/foo/b%20ar?nope=1#yes", "/foo/b%20ar?nope=1#yes?test=1%23escaped%20test"}, // example of appending
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.requestPath, func(t *testing.T) {
|
|
req = httptest.NewRequest(http.MethodGet, tc.requestPath, nil)
|
|
rec = httptest.NewRecorder()
|
|
e.ServeHTTP(rec, req)
|
|
assert.Equal(t, tc.expect, req.URL.String())
|
|
})
|
|
}
|
|
}
|