package agent import ( "fmt" "net" "net/http" "net/http/httptest" "strings" "testing" "time" "github.com/stretchr/testify/require" "github.com/hashicorp/consul/testrpc" ) // extra endpoints that should be tested, and their allowed methods var extraTestEndpoints = map[string][]string{ "/v1/query": {"GET", "POST"}, "/v1/query/": {"GET", "PUT", "DELETE"}, "/v1/query/xxx/execute": {"GET"}, "/v1/query/xxx/explain": {"GET"}, } // These endpoints are ignored in unit testing for response codes var ignoredEndpoints = []string{"/v1/status/peers", "/v1/agent/monitor", "/v1/agent/reload"} // These have custom logic var customEndpoints = []string{"/v1/query", "/v1/query/"} // includePathInTest returns whether this path should be ignored for the purpose of testing its response code func includePathInTest(path string) bool { ignored := false for _, p := range ignoredEndpoints { if p == path { ignored = true break } } for _, p := range customEndpoints { if p == path { ignored = true break } } return !ignored } func newHttpClient(timeout time.Duration) *http.Client { return &http.Client{ Timeout: timeout, Transport: &http.Transport{ Dial: (&net.Dialer{ Timeout: timeout, }).Dial, TLSHandshakeTimeout: timeout, }, } } func TestHTTPAPI_MethodNotAllowed_OSS(t *testing.T) { // To avoid actually triggering RPCs that are allowed, lock everything down // with default-deny ACLs. This drops the test runtime from 11s to 0.6s. a := NewTestAgent(t, ` primary_datacenter = "dc1" acl { enabled = true default_policy = "deny" tokens { master = "sekrit" agent = "sekrit" } } `) defer a.Shutdown() // Use the master token here so the wait actually works. testrpc.WaitForTestAgent(t, a.RPC, "dc1", testrpc.WithToken("sekrit")) all := []string{"GET", "PUT", "POST", "DELETE", "HEAD", "OPTIONS"} client := newHttpClient(15 * time.Second) testMethodNotAllowed := func(t *testing.T, method string, path string, allowedMethods []string) { t.Run(method+" "+path, func(t *testing.T) { uri := fmt.Sprintf("http://%s%s", a.HTTPAddr(), path) req, _ := http.NewRequest(method, uri, nil) resp, err := client.Do(req) if err != nil { t.Fatal("client.Do failed: ", err) } defer resp.Body.Close() allowed := method == "OPTIONS" for _, allowedMethod := range allowedMethods { if allowedMethod == method { allowed = true break } } if allowed && resp.StatusCode == http.StatusMethodNotAllowed { t.Fatalf("method allowed: got status code %d want any other code", resp.StatusCode) } if !allowed && resp.StatusCode != http.StatusMethodNotAllowed { t.Fatalf("method not allowed: got status code %d want %d", resp.StatusCode, http.StatusMethodNotAllowed) } }) } for path, methods := range extraTestEndpoints { for _, method := range all { testMethodNotAllowed(t, method, path, methods) } } for path, methods := range allowedMethods { if includePathInTest(path) { for _, method := range all { testMethodNotAllowed(t, method, path, methods) } } } } func TestHTTPAPI_OptionMethod_OSS(t *testing.T) { a := NewTestAgent(t, `acl_datacenter = "dc1"`) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") testOptionMethod := func(path string, methods []string) { t.Run("OPTIONS "+path, func(t *testing.T) { uri := fmt.Sprintf("http://%s%s", a.HTTPAddr(), path) req, _ := http.NewRequest("OPTIONS", uri, nil) resp := httptest.NewRecorder() a.srv.Handler.ServeHTTP(resp, req) allMethods := append([]string{"OPTIONS"}, methods...) if resp.Code != http.StatusOK { t.Fatalf("options request: got status code %d want %d", resp.Code, http.StatusOK) } optionsStr := resp.Header().Get("Allow") if optionsStr == "" { t.Fatalf("options request: got empty 'Allow' header") } else if optionsStr != strings.Join(allMethods, ",") { t.Fatalf("options request: got 'Allow' header value of %s want %s", optionsStr, allMethods) } }) } for path, methods := range extraTestEndpoints { testOptionMethod(path, methods) } for path, methods := range allowedMethods { if includePathInTest(path) { testOptionMethod(path, methods) } } } func TestHTTPAPI_AllowedNets_OSS(t *testing.T) { a := NewTestAgent(t, ` acl_datacenter = "dc1" http_config { allow_write_http_from = ["127.0.0.1/8"] } `) defer a.Shutdown() testrpc.WaitForTestAgent(t, a.RPC, "dc1") testOptionMethod := func(path string, method string) { t.Run(method+" "+path, func(t *testing.T) { uri := fmt.Sprintf("http://%s%s", a.HTTPAddr(), path) req, _ := http.NewRequest(method, uri, nil) req.RemoteAddr = "192.168.1.2:5555" resp := httptest.NewRecorder() a.srv.Handler.ServeHTTP(resp, req) require.Equal(t, http.StatusForbidden, resp.Code, "%s %s", method, path) }) } for path, methods := range extraTestEndpoints { if !includePathInTest(path) { continue } for _, method := range methods { if method == http.MethodGet { continue } testOptionMethod(path, method) } } for path, methods := range allowedMethods { if !includePathInTest(path) { continue } for _, method := range methods { if method == http.MethodGet { continue } testOptionMethod(path, method) } } }