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package api4
import (
"fmt"
"net/http"
"testing"
"github.com/mattermost/mattermost-server/model"
"github.com/stretchr/testify/assert"
)
const (
acAllowOrigin = "Access-Control-Allow-Origin"
acExposeHeaders = "Access-Control-Expose-Headers"
acMaxAge = "Access-Control-Max-Age"
acAllowCredentials = "Access-Control-Allow-Credentials"
acAllowMethods = "Access-Control-Allow-Methods"
acAllowHeaders = "Access-Control-Allow-Headers"
)
func TestCORSRequestHandling(t *testing.T) {
for name, testcase := range map[string]struct {
AllowCorsFrom string
CorsExposedHeaders string
CorsAllowCredentials bool
ModifyRequest func(req *http.Request)
ExpectedAllowOrigin string
ExpectedExposeHeaders string
ExpectedAllowCredentials string
}{
"NoCORS": {
"",
"",
false,
func(req *http.Request) {
},
"",
"",
"",
},
"CORSEnabled": {
"http://somewhere.com",
"",
false,
func(req *http.Request) {
},
"",
"",
"",
},
"CORSEnabledStarOrigin": {
"*",
"",
false,
func(req *http.Request) {
req.Header.Set("Origin", "http://pre-release.mattermost.com")
},
"*",
"",
"",
},
"CORSEnabledStarNoOrigin": { // CORS spec requires this, not a bug.
"*",
"",
false,
func(req *http.Request) {
},
"",
"",
"",
},
"CORSEnabledMatching": {
"http://mattermost.com",
"",
false,
func(req *http.Request) {
req.Header.Set("Origin", "http://mattermost.com")
},
"http://mattermost.com",
"",
"",
},
"CORSEnabledMultiple": {
"http://spinmint.com http://mattermost.com",
"",
false,
func(req *http.Request) {
req.Header.Set("Origin", "http://mattermost.com")
},
"http://mattermost.com",
"",
"",
},
"CORSEnabledWithCredentials": {
"http://mattermost.com",
"",
true,
func(req *http.Request) {
req.Header.Set("Origin", "http://mattermost.com")
},
"http://mattermost.com",
"",
"true",
},
"CORSEnabledWithHeaders": {
"http://mattermost.com",
"x-my-special-header x-blueberry",
true,
func(req *http.Request) {
req.Header.Set("Origin", "http://mattermost.com")
},
"http://mattermost.com",
"X-My-Special-Header, X-Blueberry",
"true",
},
} {
t.Run(name, func(t *testing.T) {
th := SetupConfig(func(cfg *model.Config) {
*cfg.ServiceSettings.AllowCorsFrom = testcase.AllowCorsFrom
*cfg.ServiceSettings.CorsExposedHeaders = testcase.CorsExposedHeaders
*cfg.ServiceSettings.CorsAllowCredentials = testcase.CorsAllowCredentials
})
defer th.TearDown()
port := th.App.Srv.ListenAddr.Port
host := fmt.Sprintf("http://localhost:%v", port)
url := fmt.Sprintf("%v/api/v4/system/ping", host)
req, err := http.NewRequest("GET", url, nil)
if err != nil {
t.Fatal(err)
}
testcase.ModifyRequest(req)
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, http.StatusOK, resp.StatusCode)
assert.Equal(t, testcase.ExpectedAllowOrigin, resp.Header.Get(acAllowOrigin))
assert.Equal(t, testcase.ExpectedExposeHeaders, resp.Header.Get(acExposeHeaders))
assert.Equal(t, "", resp.Header.Get(acMaxAge))
assert.Equal(t, testcase.ExpectedAllowCredentials, resp.Header.Get(acAllowCredentials))
assert.Equal(t, "", resp.Header.Get(acAllowMethods))
assert.Equal(t, "", resp.Header.Get(acAllowHeaders))
})
}
}
|