feat(server): handle head method (#5003)

This implements some HEAD method handlers for various static resources and the /api/health endpoint.

api/openapi.yml

@@ -76,6 +76,14 @@ paths:
               schema:
                 $ref: '#/components/schemas/handlers.configuration.PasswordPolicyConfigurationBody'
   /api/health:
+    head:
+      tags:
+        - State
+      summary: Application Health
+      description: The health check endpoint provides information about the health of Authelia.
+      responses:
+        "200":
+          description: Successful Operation
     get:
       tags:
         - State

internal/handlers/handler_oidc_wellknown.go

@@ -1,8 +1,6 @@
 package handlers
 
 import (
-	"net/url"
-
 	"github.com/valyala/fasthttp"
 
 	"github.com/authelia/authelia/v4/internal/middlewares"
@@ -11,20 +9,11 @@ import (
 // OpenIDConnectConfigurationWellKnownGET handles requests to a .well-known endpoint (RFC5785) which returns the
 // OpenID Connect Discovery 1.0 metadata.
 //
-// https://datatracker.ietf.org/doc/html/rfc5785
+// RFC5785: Defining Well-Known URIs (https://datatracker.ietf.org/doc/html/rfc5785)
 //
-// https://openid.net/specs/openid-connect-discovery-1_0.html
+// OpenID Connect Discovery 1.0 (https://openid.net/specs/openid-connect-discovery-1_0.html)
 func OpenIDConnectConfigurationWellKnownGET(ctx *middlewares.AutheliaCtx) {
-	var (
+	if err := ctx.ReplyJSON(ctx.Providers.OpenIDConnect.GetOpenIDConnectWellKnownConfiguration(ctx.RootURL().String()), fasthttp.StatusOK); err != nil {
-		issuer *url.URL
-		err    error
-	)
-
-	issuer = ctx.RootURL()
-
-	wellKnown := ctx.Providers.OpenIDConnect.GetOpenIDConnectWellKnownConfiguration(issuer.String())
-
-	if err = ctx.ReplyJSON(wellKnown, fasthttp.StatusOK); err != nil {
 		ctx.Logger.Errorf("Error occurred in JSON encode: %+v", err)
 
 		// TODO: Determine if this is the appropriate error code here.
@@ -37,20 +26,11 @@ func OpenIDConnectConfigurationWellKnownGET(ctx *middlewares.AutheliaCtx) {
 // OAuthAuthorizationServerWellKnownGET handles requests to a .well-known endpoint (RFC5785) which returns the
 // OAuth 2.0 Authorization Server Metadata (RFC8414).
 //
-// https://datatracker.ietf.org/doc/html/rfc5785
+// RFC5785: Defining Well-Known URIs (https://datatracker.ietf.org/doc/html/rfc5785)
 //
-// https://datatracker.ietf.org/doc/html/rfc8414
+// RFC8414: OAuth 2.0 Authorization Server Metadata (https://datatracker.ietf.org/doc/html/rfc8414)
 func OAuthAuthorizationServerWellKnownGET(ctx *middlewares.AutheliaCtx) {
-	var (
+	if err := ctx.ReplyJSON(ctx.Providers.OpenIDConnect.GetOAuth2WellKnownConfiguration(ctx.RootURL().String()), fasthttp.StatusOK); err != nil {
-		issuer *url.URL
-		err    error
-	)
-
-	issuer = ctx.RootURL()
-
-	wellKnown := ctx.Providers.OpenIDConnect.GetOAuth2WellKnownConfiguration(issuer.String())
-
-	if err = ctx.ReplyJSON(wellKnown, fasthttp.StatusOK); err != nil {
 		ctx.Logger.Errorf("Error occurred in JSON encode: %+v", err)
 
 		// TODO: Determine if this is the appropriate error code here.

internal/server/asset.go

@@ -11,6 +11,7 @@ import (
 	"net/http"
 	"path"
 	"path/filepath"
+	"strconv"
 	"strings"
 
 	"github.com/valyala/fasthttp"
@@ -64,8 +65,16 @@ func newPublicHTMLEmbeddedHandler() fasthttp.RequestHandler {
 		}
 
 		ctx.SetContentType(contentType)
+
+		switch {
+		case ctx.IsHead():
+			ctx.Response.ResetBody()
+			ctx.Response.SkipBody = true
+			ctx.Response.Header.Set(fasthttp.HeaderContentLength, strconv.Itoa(len(data)))
+		default:
 			ctx.SetBody(data)
 		}
+	}
 }
 
 func newLocalesPathResolver() func(ctx *fasthttp.RequestCtx) (supported bool, asset string) {
@@ -182,8 +191,15 @@ func newLocalesEmbeddedHandler() (handler fasthttp.RequestHandler) {
 
 		middlewares.SetContentTypeApplicationJSON(ctx)
 
+		switch {
+		case ctx.IsHead():
+			ctx.Response.ResetBody()
+			ctx.Response.SkipBody = true
+			ctx.Response.Header.Set(fasthttp.HeaderContentLength, strconv.Itoa(len(data)))
+		default:
 			ctx.SetBody(data)
 		}
+	}
 }
 
 func getEmbedETags(embedFS embed.FS, root string, etags map[string][]byte) {

internal/server/handlers.go

@@ -1,6 +1,7 @@
 package server
 
 import (
+	"fmt"
 	"net"
 	"os"
 	"path"
@@ -77,10 +78,10 @@ func handleError() func(ctx *fasthttp.RequestCtx, err error) {
 
 func handleNotFound(next fasthttp.RequestHandler) fasthttp.RequestHandler {
 	return func(ctx *fasthttp.RequestCtx) {
-		path := strings.ToLower(string(ctx.Path()))
+		uri := strings.ToLower(string(ctx.Path()))
 
 		for i := 0; i < len(dirsHTTPServer); i++ {
-			if path == dirsHTTPServer[i].name || strings.HasPrefix(path, dirsHTTPServer[i].prefix) {
+			if uri == dirsHTTPServer[i].name || strings.HasPrefix(uri, dirsHTTPServer[i].prefix) {
 				handlers.SetStatusCodeResponse(ctx, fasthttp.StatusNotFound)
 
 				return
@@ -91,6 +92,13 @@ func handleNotFound(next fasthttp.RequestHandler) fasthttp.RequestHandler {
 	}
 }
 
+func handleMethodNotAllowed(ctx *fasthttp.RequestCtx) {
+	middlewares.SetContentTypeTextPlain(ctx)
+
+	ctx.SetStatusCode(fasthttp.StatusMethodNotAllowed)
+	ctx.SetBodyString(fmt.Sprintf("%d %s", fasthttp.StatusMethodNotAllowed, fasthttp.StatusMessage(fasthttp.StatusMethodNotAllowed)))
+}
+
 //nolint:gocyclo
 func handleRouter(config *schema.Configuration, providers middlewares.Providers) fasthttp.RequestHandler {
 	log := logging.Logger()
@@ -115,29 +123,45 @@ func handleRouter(config *schema.Configuration, providers middlewares.Providers)
 	r := router.New()
 
 	// Static Assets.
+	r.HEAD("/", bridge(serveIndexHandler))
 	r.GET("/", bridge(serveIndexHandler))
 
 	for _, f := range filesRoot {
+		r.HEAD("/"+f, handlerPublicHTML)
 		r.GET("/"+f, handlerPublicHTML)
 	}
 
+	r.HEAD("/favicon.ico", middlewares.AssetOverride(config.Server.AssetPath, 0, handlerPublicHTML))
 	r.GET("/favicon.ico", middlewares.AssetOverride(config.Server.AssetPath, 0, handlerPublicHTML))
+
+	r.HEAD("/static/media/logo.png", middlewares.AssetOverride(config.Server.AssetPath, 2, handlerPublicHTML))
 	r.GET("/static/media/logo.png", middlewares.AssetOverride(config.Server.AssetPath, 2, handlerPublicHTML))
+
+	r.HEAD("/static/{filepath:*}", handlerPublicHTML)
 	r.GET("/static/{filepath:*}", handlerPublicHTML)
 
 	// Locales.
+	r.HEAD("/locales/{language:[a-z]{1,3}}-{variant:[a-zA-Z0-9-]+}/{namespace:[a-z]+}.json", middlewares.AssetOverride(config.Server.AssetPath, 0, handlerLocales))
 	r.GET("/locales/{language:[a-z]{1,3}}-{variant:[a-zA-Z0-9-]+}/{namespace:[a-z]+}.json", middlewares.AssetOverride(config.Server.AssetPath, 0, handlerLocales))
+
+	r.HEAD("/locales/{language:[a-z]{1,3}}/{namespace:[a-z]+}.json", middlewares.AssetOverride(config.Server.AssetPath, 0, handlerLocales))
 	r.GET("/locales/{language:[a-z]{1,3}}/{namespace:[a-z]+}.json", middlewares.AssetOverride(config.Server.AssetPath, 0, handlerLocales))
 
 	// Swagger.
+	r.HEAD("/api/", bridge(serveOpenAPIHandler))
 	r.GET("/api/", bridge(serveOpenAPIHandler))
 	r.OPTIONS("/api/", policyCORSPublicGET.HandleOPTIONS)
+
+	r.HEAD("/api/index.html", bridge(serveOpenAPIHandler))
 	r.GET("/api/index.html", bridge(serveOpenAPIHandler))
 	r.OPTIONS("/api/index.html", policyCORSPublicGET.HandleOPTIONS)
+
+	r.HEAD("/api/openapi.yml", policyCORSPublicGET.Middleware(bridge(serveOpenAPISpecHandler)))
 	r.GET("/api/openapi.yml", policyCORSPublicGET.Middleware(bridge(serveOpenAPISpecHandler)))
 	r.OPTIONS("/api/openapi.yml", policyCORSPublicGET.HandleOPTIONS)
 
 	for _, file := range filesSwagger {
+		r.HEAD("/api/"+file, handlerPublicHTML)
 		r.GET("/api/"+file, handlerPublicHTML)
 	}
 
@@ -150,7 +174,9 @@ func handleRouter(config *schema.Configuration, providers middlewares.Providers)
 		WithPostMiddlewares(middlewares.Require1FA).
 		Build()
 
+	r.HEAD("/api/health", middlewareAPI(handlers.HealthGET))
 	r.GET("/api/health", middlewareAPI(handlers.HealthGET))
+
 	r.GET("/api/state", middlewareAPI(handlers.StateGET))
 
 	r.GET("/api/configuration", middleware1FA(handlers.ConfigurationGET))
@@ -356,7 +382,7 @@ func handleRouter(config *schema.Configuration, providers middlewares.Providers)
 	}
 
 	r.HandleMethodNotAllowed = true
-	r.MethodNotAllowed = handlers.Status(fasthttp.StatusMethodNotAllowed)
+	r.MethodNotAllowed = handleMethodNotAllowed
 	r.NotFound = handleNotFound(bridge(serveIndexHandler))
 
 	handler := middlewares.LogRequest(r.Handler)

internal/server/template.go

@@ -6,6 +6,7 @@ import (
 	"encoding/hex"
 	"fmt"
 	"os"
+	"path"
 	"path/filepath"
 	"strconv"
 	"strings"
@@ -25,7 +26,7 @@ import (
 // and generate a nonce to support a restrictive CSP while using material-ui.
 func ServeTemplatedFile(t templates.Template, opts *TemplatedFileOptions) middlewares.RequestHandler {
 	isDevEnvironment := os.Getenv(environment) == dev
-	ext := filepath.Ext(t.Name())
+	ext := path.Ext(t.Name())
 
 	return func(ctx *middlewares.AutheliaCtx) {
 		var err error
@@ -67,18 +68,34 @@ func ServeTemplatedFile(t templates.Template, opts *TemplatedFileOptions) middle
 			rememberMe = strconv.FormatBool(!provider.Config.DisableRememberMe)
 		}
 
-		if err = t.Execute(ctx.Response.BodyWriter(), opts.CommonData(ctx.BasePath(), ctx.RootURLSlash().String(), nonce, logoOverride, rememberMe)); err != nil {
+		data := &bytes.Buffer{}
-			ctx.RequestCtx.Error("an error occurred", 503)
+
+		if err = t.Execute(data, opts.CommonData(ctx.BasePath(), ctx.RootURLSlash().String(), nonce, logoOverride, rememberMe)); err != nil {
+			ctx.RequestCtx.Error("an error occurred", fasthttp.StatusServiceUnavailable)
 			ctx.Logger.WithError(err).Errorf("Error occcurred rendering template")
 
 			return
 		}
+
+		switch {
+		case ctx.IsHead():
+			ctx.Response.ResetBody()
+			ctx.Response.SkipBody = true
+			ctx.Response.Header.Set(fasthttp.HeaderContentLength, strconv.Itoa(data.Len()))
+		default:
+			if _, err = data.WriteTo(ctx.Response.BodyWriter()); err != nil {
+				ctx.RequestCtx.Error("an error occurred", fasthttp.StatusServiceUnavailable)
+				ctx.Logger.WithError(err).Errorf("Error occcurred writing body")
+
+				return
+			}
+		}
 	}
 }
 
 // ServeTemplatedOpenAPI serves templated OpenAPI related files.
 func ServeTemplatedOpenAPI(t templates.Template, opts *TemplatedFileOptions) middlewares.RequestHandler {
-	ext := filepath.Ext(t.Name())
+	ext := path.Ext(t.Name())
 
 	spec := ext == extYML
 
@@ -103,12 +120,28 @@ func ServeTemplatedOpenAPI(t templates.Template, opts *TemplatedFileOptions) mid
 
 		var err error
 
-		if err = t.Execute(ctx.Response.BodyWriter(), opts.OpenAPIData(ctx.BasePath(), ctx.RootURLSlash().String(), nonce)); err != nil {
+		data := &bytes.Buffer{}
-			ctx.RequestCtx.Error("an error occurred", 503)
+
+		if err = t.Execute(data, opts.OpenAPIData(ctx.BasePath(), ctx.RootURLSlash().String(), nonce)); err != nil {
+			ctx.RequestCtx.Error("an error occurred", fasthttp.StatusServiceUnavailable)
 			ctx.Logger.WithError(err).Errorf("Error occcurred rendering template")
 
 			return
 		}
+
+		switch {
+		case ctx.IsHead():
+			ctx.Response.ResetBody()
+			ctx.Response.SkipBody = true
+			ctx.Response.Header.Set(fasthttp.HeaderContentLength, strconv.Itoa(data.Len()))
+		default:
+			if _, err = data.WriteTo(ctx.Response.BodyWriter()); err != nil {
+				ctx.RequestCtx.Error("an error occurred", fasthttp.StatusServiceUnavailable)
+				ctx.Logger.WithError(err).Errorf("Error occcurred writing body")
+
+				return
+			}
+		}
 	}
 }
 
@@ -139,6 +172,11 @@ func ETagRootURL(next middlewares.RequestHandler) middlewares.RequestHandler {
 
 		next(ctx)
 
+		if ctx.Response.SkipBody || ctx.Response.StatusCode() != fasthttp.StatusOK {
+			// Skip generating the ETag as the response body should be empty.
+			return
+		}
+
 		mu.Lock()
 
 		h.Write(ctx.Response.Body())

internal/suites/scenario_backend_protection_test.go

@@ -7,61 +7,69 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/suite"
+	"github.com/valyala/fasthttp"
 )
 
 // WARNING: This scenario is intended to be used with TLS enabled in the authelia backend.
 
 type BackendProtectionScenario struct {
 	suite.Suite
+
+	client *http.Client
 }
 
 func NewBackendProtectionScenario() *BackendProtectionScenario {
 	return &BackendProtectionScenario{}
 }
 
+func (s *BackendProtectionScenario) SetupSuite() {
+	tr := &http.Transport{
+		TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, //nolint:gosec // Needs to be enabled in suites. Not used in production.
+	}
+
+	s.client = &http.Client{
+		Transport: tr,
+		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+			return http.ErrUseLastResponse
+		},
+	}
+}
+
 func (s *BackendProtectionScenario) AssertRequestStatusCode(method, url string, expectedStatusCode int) {
 	s.Run(url, func() {
 		req, err := http.NewRequest(method, url, nil)
 		s.Assert().NoError(err)
 
-		tr := &http.Transport{
+		res, err := s.client.Do(req)
-			TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, //nolint:gosec // Needs to be enabled in suites. Not used in production.
+
-		}
-		client := &http.Client{
-			Transport: tr,
-			CheckRedirect: func(req *http.Request, via []*http.Request) error {
-				return http.ErrUseLastResponse
-			},
-		}
-		res, err := client.Do(req)
 		s.Assert().NoError(err)
 		s.Assert().Equal(expectedStatusCode, res.StatusCode)
 	})
 }
 
 func (s *BackendProtectionScenario) TestProtectionOfBackendEndpoints() {
-	s.AssertRequestStatusCode("POST", fmt.Sprintf("%s/api/secondfactor/totp", AutheliaBaseURL), 403)
+	s.AssertRequestStatusCode(fasthttp.MethodPost, fmt.Sprintf("%s/api/secondfactor/totp", AutheliaBaseURL), 403)
-	s.AssertRequestStatusCode("POST", fmt.Sprintf("%s/api/secondfactor/webauthn/assertion", AutheliaBaseURL), 403)
+	s.AssertRequestStatusCode(fasthttp.MethodPost, fmt.Sprintf("%s/api/secondfactor/webauthn/assertion", AutheliaBaseURL), 403)
-	s.AssertRequestStatusCode("POST", fmt.Sprintf("%s/api/secondfactor/webauthn/attestation", AutheliaBaseURL), 403)
+	s.AssertRequestStatusCode(fasthttp.MethodPost, fmt.Sprintf("%s/api/secondfactor/webauthn/attestation", AutheliaBaseURL), 403)
-	s.AssertRequestStatusCode("POST", fmt.Sprintf("%s/api/user/info/2fa_method", AutheliaBaseURL), 403)
+	s.AssertRequestStatusCode(fasthttp.MethodPost, fmt.Sprintf("%s/api/user/info/2fa_method", AutheliaBaseURL), 403)
 
-	s.AssertRequestStatusCode("GET", fmt.Sprintf("%s/api/user/info", AutheliaBaseURL), 403)
+	s.AssertRequestStatusCode(fasthttp.MethodGet, fmt.Sprintf("%s/api/user/info", AutheliaBaseURL), 403)
-	s.AssertRequestStatusCode("GET", fmt.Sprintf("%s/api/configuration", AutheliaBaseURL), 403)
+	s.AssertRequestStatusCode(fasthttp.MethodGet, fmt.Sprintf("%s/api/configuration", AutheliaBaseURL), 403)
 
-	s.AssertRequestStatusCode("POST", fmt.Sprintf("%s/api/secondfactor/totp/identity/start", AutheliaBaseURL), 403)
+	s.AssertRequestStatusCode(fasthttp.MethodPost, fmt.Sprintf("%s/api/secondfactor/totp/identity/start", AutheliaBaseURL), 403)
-	s.AssertRequestStatusCode("POST", fmt.Sprintf("%s/api/secondfactor/totp/identity/finish", AutheliaBaseURL), 403)
+	s.AssertRequestStatusCode(fasthttp.MethodPost, fmt.Sprintf("%s/api/secondfactor/totp/identity/finish", AutheliaBaseURL), 403)
-	s.AssertRequestStatusCode("POST", fmt.Sprintf("%s/api/secondfactor/webauthn/identity/start", AutheliaBaseURL), 403)
+	s.AssertRequestStatusCode(fasthttp.MethodPost, fmt.Sprintf("%s/api/secondfactor/webauthn/identity/start", AutheliaBaseURL), 403)
-	s.AssertRequestStatusCode("POST", fmt.Sprintf("%s/api/secondfactor/webauthn/identity/finish", AutheliaBaseURL), 403)
+	s.AssertRequestStatusCode(fasthttp.MethodPost, fmt.Sprintf("%s/api/secondfactor/webauthn/identity/finish", AutheliaBaseURL), 403)
 }
 
 func (s *BackendProtectionScenario) TestInvalidEndpointsReturn404() {
-	s.AssertRequestStatusCode("GET", fmt.Sprintf("%s/api/not_existing", AutheliaBaseURL), 404)
+	s.AssertRequestStatusCode(fasthttp.MethodGet, fmt.Sprintf("%s/api/not_existing", AutheliaBaseURL), 404)
-	s.AssertRequestStatusCode("HEAD", fmt.Sprintf("%s/api/not_existing", AutheliaBaseURL), 404)
+	s.AssertRequestStatusCode(fasthttp.MethodHead, fmt.Sprintf("%s/api/not_existing", AutheliaBaseURL), 404)
-	s.AssertRequestStatusCode("POST", fmt.Sprintf("%s/api/not_existing", AutheliaBaseURL), 404)
+	s.AssertRequestStatusCode(fasthttp.MethodPost, fmt.Sprintf("%s/api/not_existing", AutheliaBaseURL), 404)
 
-	s.AssertRequestStatusCode("GET", fmt.Sprintf("%s/api/not_existing/second", AutheliaBaseURL), 404)
+	s.AssertRequestStatusCode(fasthttp.MethodGet, fmt.Sprintf("%s/api/not_existing/second", AutheliaBaseURL), 404)
-	s.AssertRequestStatusCode("HEAD", fmt.Sprintf("%s/api/not_existing/second", AutheliaBaseURL), 404)
+	s.AssertRequestStatusCode(fasthttp.MethodHead, fmt.Sprintf("%s/api/not_existing/second", AutheliaBaseURL), 404)
-	s.AssertRequestStatusCode("POST", fmt.Sprintf("%s/api/not_existing/second", AutheliaBaseURL), 404)
+	s.AssertRequestStatusCode(fasthttp.MethodPost, fmt.Sprintf("%s/api/not_existing/second", AutheliaBaseURL), 404)
 }
 
 func (s *BackendProtectionScenario) TestInvalidEndpointsReturn405() {

internal/suites/scenario_request_method_test.go

@@ -0,0 +1,106 @@
+package suites
+
+import (
+	"crypto/tls"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/valyala/fasthttp"
+)
+
+func NewRequestMethodScenario() *RequestMethodScenario {
+	return &RequestMethodScenario{}
+}
+
+type RequestMethodScenario struct {
+	suite.Suite
+
+	client *http.Client
+}
+
+func (s *RequestMethodScenario) SetupSuite() {
+	tr := &http.Transport{
+		TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, //nolint:gosec // Needs to be enabled in suites. Not used in production.
+	}
+
+	s.client = &http.Client{
+		Transport: tr,
+		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+			return http.ErrUseLastResponse
+		},
+	}
+}
+
+func (s *RequestMethodScenario) TestShouldRespondWithAppropriateMethodNotAllowedHeaders() {
+	testCases := []struct {
+		name     string
+		method   string
+		uri      string
+		expected []string
+	}{
+		{"RootPathShouldShowAllowedMethodsOnInvalidRequest", fasthttp.MethodPost, AutheliaBaseURL, []string{fasthttp.MethodGet, fasthttp.MethodHead, fasthttp.MethodOptions}},
+		{"OpenAPISpecificationShouldShowAllowedMethodsOnInvalidRequest", fasthttp.MethodPost, fmt.Sprintf("%s/api/openapi.yml", AutheliaBaseURL), []string{fasthttp.MethodGet, fasthttp.MethodHead, fasthttp.MethodOptions}},
+		{"LocalesShouldShowAllowedMethodsOnInvalidRequest", fasthttp.MethodPost, fmt.Sprintf("%s/locales/en/portal.json", AutheliaBaseURL), []string{fasthttp.MethodGet, fasthttp.MethodHead, fasthttp.MethodOptions}},
+	}
+
+	for _, tc := range testCases {
+		s.Run(tc.name, func() {
+			req, err := http.NewRequest(tc.method, tc.uri, nil)
+			s.Assert().NoError(err)
+
+			res, err := s.client.Do(req)
+
+			s.Assert().NoError(err)
+			s.Assert().Equal(fasthttp.StatusMethodNotAllowed, res.StatusCode)
+			s.Assert().Equal(strings.Join(tc.expected, ", "), res.Header.Get(fasthttp.HeaderAllow))
+		})
+	}
+}
+
+func (s *RequestMethodScenario) TestShouldRespondWithAppropriateResponseWithMethodHEAD() {
+	testCases := []struct {
+		name                  string
+		uri                   string
+		expectedStatus        int
+		expectedContentLength bool
+	}{
+		{"RootPathShouldShowContentLengthAndRespondOK", AutheliaBaseURL, fasthttp.StatusOK, true},
+		{"OpenAPISpecShouldShowContentLengthAndRespondOK", fmt.Sprintf("%s/api/openapi.yml", AutheliaBaseURL), fasthttp.StatusOK, true},
+		{"LocalesShouldShowContentLengthAndRespondOK", fmt.Sprintf("%s/locales/en/portal.json", AutheliaBaseURL), fasthttp.StatusOK, true},
+	}
+
+	for _, tc := range testCases {
+		s.Run(tc.name, func() {
+			req, err := http.NewRequest(fasthttp.MethodHead, tc.uri, nil)
+			s.Assert().NoError(err)
+
+			res, err := s.client.Do(req)
+
+			s.Assert().NoError(err)
+			s.Assert().Equal(tc.expectedStatus, res.StatusCode)
+
+			if tc.expectedContentLength {
+				s.Assert().NotEqual(0, res.ContentLength)
+			} else {
+				s.Assert().Equal(0, res.ContentLength)
+			}
+
+			data, err := io.ReadAll(res.Body)
+
+			s.Assert().NoError(err)
+			s.Assert().Len(data, 0)
+		})
+	}
+}
+
+func TestRunRequestMethod(t *testing.T) {
+	if testing.Short() {
+		t.Skip("skipping suite test in short mode")
+	}
+
+	suite.Run(t, NewRequestMethodScenario())
+}

internal/suites/suite_standalone_test.go

@@ -346,6 +346,10 @@ func (s *StandaloneSuite) TestResetPasswordScenario() {
 	suite.Run(s.T(), NewResetPasswordScenario())
 }
 
+func (s *StandaloneSuite) TestRequestMethodScenario() {
+	suite.Run(s.T(), NewRequestMethodScenario())
+}
+
 func (s *StandaloneSuite) TestAvailableMethodsScenario() {
 	suite.Run(s.T(), NewAvailableMethodsScenario([]string{"TIME-BASED ONE-TIME PASSWORD", "SECURITY KEY - WEBAUTHN"}))
 }