feat(chromium): add failOnResourceLoadingFailed and failOnResourceHttpStatusCodes form fields

pkg/modules/chromium/browser.go

@@ -299,13 +299,25 @@ func (b *chromiumBrowser) do(ctx context.Context, logger *zap.Logger, url string
 	})
 
 	var (
-		invalidHttpStatusCode   error
+		invalidHttpStatusCode           error
-		invalidHttpStatusCodeMu sync.RWMutex
+		invalidHttpStatusCodeMu         sync.RWMutex
+		invalidResourceHttpStatusCode   error
+		invalidResourceHttpStatusCodeMu sync.RWMutex
 	)
 
-	// See https://github.com/gotenberg/gotenberg/issues/613.
+	// See:
-	if len(options.FailOnHttpStatusCodes) != 0 {
+	// https://github.com/gotenberg/gotenberg/issues/613.
-		listenForEventResponseReceived(taskCtx, logger, url, options.FailOnHttpStatusCodes, &invalidHttpStatusCode, &invalidHttpStatusCodeMu)
+	// https://github.com/gotenberg/gotenberg/issues/1021.
+	if len(options.FailOnHttpStatusCodes) != 0 || len(options.FailOnResourceHttpStatusCodes) != 0 {
+		listenForEventResponseReceived(taskCtx, logger, eventResponseReceivedOptions{
+			mainPageUrl:                     url,
+			failOnHttpStatusCodes:           options.FailOnHttpStatusCodes,
+			invalidHttpStatusCode:           &invalidHttpStatusCode,
+			invalidHttpStatusCodeMu:         &invalidHttpStatusCodeMu,
+			failOnResourceOnHttpStatusCode:  options.FailOnResourceHttpStatusCodes,
+			invalidResourceHttpStatusCode:   &invalidResourceHttpStatusCode,
+			invalidResourceHttpStatusCodeMu: &invalidResourceHttpStatusCodeMu,
+		})
 	}
 
 	var (
@@ -319,14 +331,22 @@ func (b *chromiumBrowser) do(ctx context.Context, logger *zap.Logger, url string
 	}
 
 	var (
-		loadingFailed   error
+		loadingFailed           error
-		loadingFailedMu sync.RWMutex
+		loadingFailedMu         sync.RWMutex
+		resourceLoadingFailed   error
+		resourceLoadingFailedMu sync.RWMutex
 	)
 
 	// See:
-	// https://github.com/gotenberg/gotenberg/issues/913
+	// https://github.com/gotenberg/gotenberg/issues/913.
-	// https://github.com/gotenberg/gotenberg/issues/959
+	// https://github.com/gotenberg/gotenberg/issues/959.
-	listenForEventLoadingFailed(taskCtx, logger, &loadingFailed, &loadingFailedMu)
+	// https://github.com/gotenberg/gotenberg/issues/1021.
+	listenForEventLoadingFailed(taskCtx, logger, eventLoadingFailedOptions{
+		loadingFailed:           &loadingFailed,
+		loadingFailedMu:         &loadingFailedMu,
+		resourceLoadingFailed:   &resourceLoadingFailed,
+		resourceLoadingFailedMu: &resourceLoadingFailedMu,
+	})
 
 	err = chromedp.Run(taskCtx, tasks...)
 	if err != nil {
@@ -355,6 +375,14 @@ func (b *chromiumBrowser) do(ctx context.Context, logger *zap.Logger, url string
 		return fmt.Errorf("%v: %w", invalidHttpStatusCode, ErrInvalidHttpStatusCode)
 	}
 
+	// See https://github.com/gotenberg/gotenberg/issues/1021.
+	invalidResourceHttpStatusCodeMu.RLock()
+	defer invalidResourceHttpStatusCodeMu.RUnlock()
+
+	if invalidResourceHttpStatusCode != nil {
+		return fmt.Errorf("%v: %w", invalidResourceHttpStatusCode, ErrInvalidResourceHttpStatusCode)
+	}
+
 	// See https://github.com/gotenberg/gotenberg/issues/262.
 	consoleExceptionsMu.RLock()
 	defer consoleExceptionsMu.RUnlock()
@@ -364,8 +392,8 @@ func (b *chromiumBrowser) do(ctx context.Context, logger *zap.Logger, url string
 	}
 
 	// See:
-	// https://github.com/gotenberg/gotenberg/issues/913
+	// https://github.com/gotenberg/gotenberg/issues/913.
-	// https://github.com/gotenberg/gotenberg/issues/959
+	// https://github.com/gotenberg/gotenberg/issues/959.
 	loadingFailedMu.RLock()
 	defer loadingFailedMu.RUnlock()
 
@@ -373,6 +401,13 @@ func (b *chromiumBrowser) do(ctx context.Context, logger *zap.Logger, url string
 		return fmt.Errorf("%v: %w", loadingFailed, ErrLoadingFailed)
 	}
 
+	// See https://github.com/gotenberg/gotenberg/issues/1021.
+	if options.FailOnResourceLoadingFailed {
+		if resourceLoadingFailed != nil {
+			return fmt.Errorf("%v: %w", resourceLoadingFailed, ErrResourceLoadingFailed)
+		}
+	}
+
 	return nil
 }
 

pkg/modules/chromium/browser_test.go

@@ -446,6 +446,44 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 			expectError:   true,
 			expectedError: ErrInvalidHttpStatusCode,
 		},
+		{
+			scenario: "ErrInvalidResourceHttpStatusCode",
+			browser: newChromiumBrowser(
+				browserArguments{
+					binPath:          os.Getenv("CHROMIUM_BIN_PATH"),
+					wsUrlReadTimeout: 5 * time.Second,
+					allowList:        regexp2.MustCompile("", 0),
+					denyList:         regexp2.MustCompile("", 0),
+				},
+			),
+			fs: func() *gotenberg.FileSystem {
+				fs := gotenberg.NewFileSystem()
+
+				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
+				if err != nil {
+					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+				}
+
+				err = os.WriteFile(fmt.Sprintf("%s/style.css", fs.WorkingDirPath()), []byte("body{font-family: Arial, Helvetica, sans-serif;}"), 0o755)
+				if err != nil {
+					t.Fatalf("expected no error but got: %v", err)
+				}
+
+				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<html><head><link rel=\"stylesheet\" type=\"text/css\" href=\"style.css\"></head><body><h1>ErrInvalidResourceHttpStatusCode</h1></body></html>"), 0o755)
+				if err != nil {
+					t.Fatalf("expected no error but got: %v", err)
+				}
+
+				return fs
+			}(),
+			options: PdfOptions{
+				Options: Options{FailOnResourceHttpStatusCodes: []int64{200}},
+			},
+			noDeadline:    false,
+			start:         true,
+			expectError:   true,
+			expectedError: ErrInvalidResourceHttpStatusCode,
+		},
 		{
 			scenario: "ErrConsoleExceptions",
 			browser: newChromiumBrowser(
@@ -505,6 +543,39 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 			expectError:   true,
 			expectedError: ErrLoadingFailed,
 		},
+		{
+			scenario: "ErrResourceLoadingFailed",
+			browser: newChromiumBrowser(
+				browserArguments{
+					binPath:          os.Getenv("CHROMIUM_BIN_PATH"),
+					wsUrlReadTimeout: 5 * time.Second,
+					allowList:        regexp2.MustCompile("", 0),
+					denyList:         regexp2.MustCompile("", 0),
+				},
+			),
+			fs: func() *gotenberg.FileSystem {
+				fs := gotenberg.NewFileSystem()
+
+				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
+				if err != nil {
+					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+				}
+
+				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<html><head><link rel=\"stylesheet\" type=\"text/css\" href=\"http://localhost:100/style.css\"></head><body><h1>ErrResourceLoadingFailed</h1></body></html>"), 0o755)
+				if err != nil {
+					t.Fatalf("expected no error but got: %v", err)
+				}
+
+				return fs
+			}(),
+			options: PdfOptions{
+				Options: Options{FailOnResourceLoadingFailed: true},
+			},
+			noDeadline:    false,
+			start:         true,
+			expectError:   true,
+			expectedError: ErrResourceLoadingFailed,
+		},
 		{
 			scenario: "clear cache",
 			browser: newChromiumBrowser(
@@ -1537,6 +1608,44 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 			expectError:   true,
 			expectedError: ErrInvalidHttpStatusCode,
 		},
+		{
+			scenario: "ErrInvalidResourceHttpStatusCode",
+			browser: newChromiumBrowser(
+				browserArguments{
+					binPath:          os.Getenv("CHROMIUM_BIN_PATH"),
+					wsUrlReadTimeout: 5 * time.Second,
+					allowList:        regexp2.MustCompile("", 0),
+					denyList:         regexp2.MustCompile("", 0),
+				},
+			),
+			fs: func() *gotenberg.FileSystem {
+				fs := gotenberg.NewFileSystem()
+
+				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
+				if err != nil {
+					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+				}
+
+				err = os.WriteFile(fmt.Sprintf("%s/style.css", fs.WorkingDirPath()), []byte("body{font-family: Arial, Helvetica, sans-serif;}"), 0o755)
+				if err != nil {
+					t.Fatalf("expected no error but got: %v", err)
+				}
+
+				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<html><head><link rel=\"stylesheet\" type=\"text/css\" href=\"style.css\"></head><body><h1>ErrInvalidResourceHttpStatusCode</h1></body></html>"), 0o755)
+				if err != nil {
+					t.Fatalf("expected no error but got: %v", err)
+				}
+
+				return fs
+			}(),
+			options: ScreenshotOptions{
+				Options: Options{FailOnResourceHttpStatusCodes: []int64{299}},
+			},
+			noDeadline:    false,
+			start:         true,
+			expectError:   true,
+			expectedError: ErrInvalidResourceHttpStatusCode,
+		},
 		{
 			scenario: "ErrConsoleExceptions",
 			browser: newChromiumBrowser(
@@ -1580,7 +1689,6 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 					denyList:         regexp2.MustCompile("", 0),
 				},
 			),
-
 			fs: func() *gotenberg.FileSystem {
 				fs := gotenberg.NewFileSystem()
 
@@ -1597,6 +1705,39 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 			expectError:   true,
 			expectedError: ErrLoadingFailed,
 		},
+		{
+			scenario: "ErrResourceLoadingFailed",
+			browser: newChromiumBrowser(
+				browserArguments{
+					binPath:          os.Getenv("CHROMIUM_BIN_PATH"),
+					wsUrlReadTimeout: 5 * time.Second,
+					allowList:        regexp2.MustCompile("", 0),
+					denyList:         regexp2.MustCompile("", 0),
+				},
+			),
+			fs: func() *gotenberg.FileSystem {
+				fs := gotenberg.NewFileSystem()
+
+				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
+				if err != nil {
+					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+				}
+
+				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<html><head><link rel=\"stylesheet\" type=\"text/css\" href=\"http://localhost:100/style.css\"></head><body><h1>ErrResourceLoadingFailed</h1></body></html>"), 0o755)
+				if err != nil {
+					t.Fatalf("expected no error but got: %v", err)
+				}
+
+				return fs
+			}(),
+			options: ScreenshotOptions{
+				Options: Options{FailOnResourceLoadingFailed: true},
+			},
+			noDeadline:    false,
+			start:         true,
+			expectError:   true,
+			expectedError: ErrResourceLoadingFailed,
+		},
 		{
 			scenario: "clear cache",
 			browser: newChromiumBrowser(

pkg/modules/chromium/chromium.go

@@ -38,14 +38,22 @@ var (
 	// matches with one of the entry in [Options.FailOnHttpStatusCodes].
 	ErrInvalidHttpStatusCode = errors.New("invalid HTTP status code")
 
+	// ErrInvalidResourceHttpStatusCode happens when the status code from one
+	// or more resources matches with one of the entry in
+	// [Options.FailOnResourceHttpStatusCodes].
+	ErrInvalidResourceHttpStatusCode = errors.New("invalid resource HTTP status code")
+
 	// ErrConsoleExceptions happens when there are exceptions in the Chromium
 	// console. It also happens only if the [Options.FailOnConsoleExceptions]
 	// is set to true.
 	ErrConsoleExceptions = errors.New("console exceptions")
 
-	// ErrLoadingFailed happens when a URL failed to load.
+	// ErrLoadingFailed happens when the main page failed to load.
 	ErrLoadingFailed = errors.New("loading failed")
 
+	// ErrResourceLoadingFailed happens when one or more resources failed to load.
+	ErrResourceLoadingFailed = errors.New("resource loading failed")
+
 	// PDF specific.
 
 	// ErrOmitBackgroundWithoutPrintBackground happens if
@@ -86,6 +94,14 @@ type Options struct {
 	// code from the main page matches with one of its entries.
 	FailOnHttpStatusCodes []int64
 
+	// FailOnResourceHttpStatusCodes sets if the conversion should fail if the
+	// status code from at least one resource matches with one if its entries.
+	FailOnResourceHttpStatusCodes []int64
+
+	// FailOnResourceLoadingFailed sets if the conversion should fail like the
+	// main page if Chromium fails to load at least one resource.
+	FailOnResourceLoadingFailed bool
+
 	// FailOnConsoleExceptions sets if the conversion should fail if there are
 	// exceptions in the Chromium console.
 	FailOnConsoleExceptions bool
@@ -124,17 +140,19 @@ type Options struct {
 // DefaultOptions returns the default values for Options.
 func DefaultOptions() Options {
 	return Options{
-		SkipNetworkIdleEvent:    true,
+		SkipNetworkIdleEvent:          true,
-		FailOnHttpStatusCodes:   []int64{499, 599},
+		FailOnHttpStatusCodes:         []int64{499, 599},
-		FailOnConsoleExceptions: false,
+		FailOnResourceHttpStatusCodes: nil,
-		WaitDelay:               0,
+		FailOnResourceLoadingFailed:   false,
-		WaitWindowStatus:        "",
+		FailOnConsoleExceptions:       false,
-		WaitForExpression:       "",
+		WaitDelay:                     0,
-		Cookies:                 nil,
+		WaitWindowStatus:              "",
-		UserAgent:               "",
+		WaitForExpression:             "",
-		ExtraHttpHeaders:        nil,
+		Cookies:                       nil,
-		EmulatedMediaType:       "",
+		UserAgent:                     "",
-		OmitBackground:          false,
+		ExtraHttpHeaders:              nil,
+		EmulatedMediaType:             "",
+		OmitBackground:                false,
 	}
 }
 

pkg/modules/chromium/events.go

@@ -3,6 +3,7 @@ package chromium
 import (
 	"context"
 	"fmt"
+	"net/http"
 	"slices"
 	"sync"
 
@@ -136,14 +137,36 @@ func listenForEventRequestPaused(ctx context.Context, logger *zap.Logger, option
 	})
 }
 
+type eventResponseReceivedOptions struct {
+	mainPageUrl                     string
+	failOnHttpStatusCodes           []int64
+	invalidHttpStatusCode           *error
+	invalidHttpStatusCodeMu         *sync.RWMutex
+	failOnResourceOnHttpStatusCode  []int64
+	invalidResourceHttpStatusCode   *error
+	invalidResourceHttpStatusCodeMu *sync.RWMutex
+}
+
 // listenForEventResponseReceived listens for an invalid HTTP status code that
-// is returned by the main page.
+// is returned by the main page or by one or more resources.
-// See https://github.com/gotenberg/gotenberg/issues/613.
+// See:
-func listenForEventResponseReceived(ctx context.Context, logger *zap.Logger, url string, failOnHttpStatusCodes []int64, invalidHttpStatusCode *error, invalidHttpStatusCodeMu *sync.RWMutex) {
+// https://github.com/gotenberg/gotenberg/issues/613.
+// https://github.com/gotenberg/gotenberg/issues/1021.
+func listenForEventResponseReceived(
+	ctx context.Context,
+	logger *zap.Logger,
+	options eventResponseReceivedOptions,
+) {
 	for _, code := range []int64{199, 299, 399, 499, 599} {
-		if slices.Contains(failOnHttpStatusCodes, code) {
+		if slices.Contains(options.failOnHttpStatusCodes, code) {
 			for i := code - 99; i <= code; i++ {
-				failOnHttpStatusCodes = append(failOnHttpStatusCodes, i)
+				options.failOnHttpStatusCodes = append(options.failOnHttpStatusCodes, i)
+			}
+		}
+
+		if slices.Contains(options.failOnResourceOnHttpStatusCode, code) {
+			for i := code - 99; i <= code; i++ {
+				options.failOnResourceOnHttpStatusCode = append(options.failOnResourceOnHttpStatusCode, i)
 			}
 		}
 	}
@@ -151,41 +174,53 @@ func listenForEventResponseReceived(ctx context.Context, logger *zap.Logger, url
 	chromedp.ListenTarget(ctx, func(ev interface{}) {
 		switch ev := ev.(type) {
 		case *network.EventResponseReceived:
-			if ev.Response.URL != url {
+			if ev.Response.URL == options.mainPageUrl {
+				logger.Debug(fmt.Sprintf("event EventResponseReceived fired for main page: %+v", ev.Response))
+
+				if slices.Contains(options.failOnHttpStatusCodes, ev.Response.Status) {
+					options.invalidHttpStatusCodeMu.Lock()
+					defer options.invalidHttpStatusCodeMu.Unlock()
+
+					*options.invalidHttpStatusCode = fmt.Errorf("%d: %s", ev.Response.Status, ev.Response.StatusText)
+				}
+
 				return
 			}
 
-			logger.Debug(fmt.Sprintf("event EventResponseReceived fired for main page: %+v", ev.Response))
+			logger.Debug(fmt.Sprintf("event EventResponseReceived fired for a resource: %+v", ev.Response))
 
-			if slices.Contains(failOnHttpStatusCodes, ev.Response.Status) {
+			if slices.Contains(options.failOnResourceOnHttpStatusCode, ev.Response.Status) {
-				invalidHttpStatusCodeMu.Lock()
+				options.invalidResourceHttpStatusCodeMu.Lock()
-				defer invalidHttpStatusCodeMu.Unlock()
+				defer options.invalidResourceHttpStatusCodeMu.Unlock()
 
-				*invalidHttpStatusCode = fmt.Errorf("%d: %s", ev.Response.Status, ev.Response.StatusText)
+				*options.invalidResourceHttpStatusCode = multierr.Append(
+					*options.invalidResourceHttpStatusCode,
+					fmt.Errorf("%s - %d: %s", ev.Response.URL, ev.Response.Status, http.StatusText(int(ev.Response.Status))),
+				)
 			}
 		}
 	})
 }
 
+type eventLoadingFailedOptions struct {
+	loadingFailed           *error
+	loadingFailedMu         *sync.RWMutex
+	resourceLoadingFailed   *error
+	resourceLoadingFailedMu *sync.RWMutex
+}
+
 // listenForEventLoadingFailed listens for an event indicating that the main
-// page failed to load.
+// page or one or more resources failed to load.
 // See:
 // https://github.com/gotenberg/gotenberg/issues/913.
 // https://github.com/gotenberg/gotenberg/issues/959.
-func listenForEventLoadingFailed(ctx context.Context, logger *zap.Logger, loadingFailed *error, loadingFailedMu *sync.RWMutex) {
+// https://github.com/gotenberg/gotenberg/issues/1021.
+func listenForEventLoadingFailed(ctx context.Context, logger *zap.Logger, options eventLoadingFailedOptions) {
 	chromedp.ListenTarget(ctx, func(ev interface{}) {
 		switch ev := ev.(type) {
 		case *network.EventLoadingFailed:
 			logger.Debug(fmt.Sprintf("event EventLoadingFailed fired: %+v", ev.ErrorText))
 
-			if ev.Type != network.ResourceTypeDocument {
-				logger.Debug("skip EventLoadingFailed: is not resource type Document")
-				return
-			}
-
-			// Supposition: except iframe, an event loading failed with a
-			// resource type Document is about the main page.
-
 			// We are looking for common errors.
 			// TODO: sufficient?
 			errors := []string{
@@ -199,16 +234,35 @@ func listenForEventLoadingFailed(ctx context.Context, logger *zap.Logger, loadin
 				"net::ERR_ADDRESS_UNREACHABLE",
 				"net::ERR_BLOCKED_BY_CLIENT",
 				"net::ERR_BLOCKED_BY_RESPONSE",
+				"net::ERR_FILE_NOT_FOUND",
 			}
 			if !slices.Contains(errors, ev.ErrorText) {
 				logger.Debug(fmt.Sprintf("skip EventLoadingFailed: '%s' is not part of %+v", ev.ErrorText, errors))
 				return
 			}
 
-			loadingFailedMu.Lock()
+			if ev.Type == network.ResourceTypeDocument {
-			defer loadingFailedMu.Unlock()
+				// Supposition: except iframe, an event loading failed with a
+				// resource type Document is about the main page.
+				logger.Debug("event EventLoadingFailed fired for main page")
 
-			*loadingFailed = fmt.Errorf("%s", ev.ErrorText)
+				options.loadingFailedMu.Lock()
+				defer options.loadingFailedMu.Unlock()
+
+				*options.loadingFailed = fmt.Errorf("%s", ev.ErrorText)
+
+				return
+			}
+
+			logger.Debug("event EventLoadingFailed fired for a resource")
+
+			options.resourceLoadingFailedMu.Lock()
+			defer options.resourceLoadingFailedMu.Unlock()
+
+			*options.resourceLoadingFailed = multierr.Append(
+				*options.resourceLoadingFailed,
+				fmt.Errorf("resource %s: %s", ev.Type, ev.ErrorText),
+			)
 		}
 	})
 }

pkg/modules/chromium/routes.go

@@ -29,17 +29,19 @@ func FormDataChromiumOptions(ctx *api.Context) (*api.FormData, Options) {
 	defaultOptions := DefaultOptions()
 
 	var (
-		skipNetworkIdleEvent    bool
+		skipNetworkIdleEvent          bool
-		failOnHttpStatusCodes   []int64
+		failOnHttpStatusCodes         []int64
-		failOnConsoleExceptions bool
+		failOnResourceHttpStatusCodes []int64
-		waitDelay               time.Duration
+		failOnResourceLoadingFailed   bool
-		waitWindowStatus        string
+		failOnConsoleExceptions       bool
-		waitForExpression       string
+		waitDelay                     time.Duration
-		cookies                 []Cookie
+		waitWindowStatus              string
-		userAgent               string
+		waitForExpression             string
-		extraHttpHeaders        []ExtraHttpHeader
+		cookies                       []Cookie
-		emulatedMediaType       string
+		userAgent                     string
-		omitBackground          bool
+		extraHttpHeaders              []ExtraHttpHeader
+		emulatedMediaType             string
+		omitBackground                bool
 	)
 
 	form := ctx.FormData().
@@ -57,6 +59,20 @@ func FormDataChromiumOptions(ctx *api.Context) (*api.FormData, Options) {
 
 			return nil
 		}).
+		Custom("failOnResourceHttpStatusCodes", func(value string) error {
+			if value == "" {
+				failOnResourceHttpStatusCodes = defaultOptions.FailOnResourceHttpStatusCodes
+				return nil
+			}
+
+			err := json.Unmarshal([]byte(value), &failOnResourceHttpStatusCodes)
+			if err != nil {
+				return fmt.Errorf("unmarshal failOnResourceHttpStatusCodes: %w", err)
+			}
+
+			return nil
+		}).
+		Bool("failOnResourceLoadingFailed", &failOnResourceLoadingFailed, defaultOptions.FailOnResourceLoadingFailed).
 		Bool("failOnConsoleExceptions", &failOnConsoleExceptions, defaultOptions.FailOnConsoleExceptions).
 		Duration("waitDelay", &waitDelay, defaultOptions.WaitDelay).
 		String("waitWindowStatus", &waitWindowStatus, defaultOptions.WaitWindowStatus).
@@ -158,17 +174,19 @@ func FormDataChromiumOptions(ctx *api.Context) (*api.FormData, Options) {
 		Bool("omitBackground", &omitBackground, defaultOptions.OmitBackground)
 
 	options := Options{
-		SkipNetworkIdleEvent:    skipNetworkIdleEvent,
+		SkipNetworkIdleEvent:          skipNetworkIdleEvent,
-		FailOnHttpStatusCodes:   failOnHttpStatusCodes,
+		FailOnHttpStatusCodes:         failOnHttpStatusCodes,
-		FailOnConsoleExceptions: failOnConsoleExceptions,
+		FailOnResourceHttpStatusCodes: failOnResourceHttpStatusCodes,
-		WaitDelay:               waitDelay,
+		FailOnResourceLoadingFailed:   failOnResourceLoadingFailed,
-		WaitWindowStatus:        waitWindowStatus,
+		FailOnConsoleExceptions:       failOnConsoleExceptions,
-		WaitForExpression:       waitForExpression,
+		WaitDelay:                     waitDelay,
-		Cookies:                 cookies,
+		WaitWindowStatus:              waitWindowStatus,
-		UserAgent:               userAgent,
+		WaitForExpression:             waitForExpression,
-		ExtraHttpHeaders:        extraHttpHeaders,
+		Cookies:                       cookies,
-		EmulatedMediaType:       emulatedMediaType,
+		UserAgent:                     userAgent,
-		OmitBackground:          omitBackground,
+		ExtraHttpHeaders:              extraHttpHeaders,
+		EmulatedMediaType:             emulatedMediaType,
+		OmitBackground:                omitBackground,
 	}
 
 	return form, options
@@ -726,12 +744,22 @@ func handleChromiumError(err error, options Options) error {
 		)
 	}
 
+	if errors.Is(err, ErrInvalidResourceHttpStatusCode) {
+		return api.WrapError(
+			err,
+			api.NewSentinelHttpError(
+				http.StatusConflict,
+				fmt.Sprintf("Invalid HTTP status code from resources:\n%s", strings.ReplaceAll(err.Error(), fmt.Sprintf(": %s", ErrInvalidResourceHttpStatusCode.Error()), "")),
+			),
+		)
+	}
+
 	if errors.Is(err, ErrConsoleExceptions) {
 		return api.WrapError(
 			err,
 			api.NewSentinelHttpError(
 				http.StatusConflict,
-				fmt.Sprintf("Chromium console exceptions:\n %s", strings.ReplaceAll(err.Error(), ErrConsoleExceptions.Error(), "")),
+				fmt.Sprintf("Chromium console exceptions:\n%s", strings.ReplaceAll(err.Error(), ErrConsoleExceptions.Error(), "")),
 			),
 		)
 	}
@@ -746,5 +774,15 @@ func handleChromiumError(err error, options Options) error {
 		)
 	}
 
+	if errors.Is(err, ErrResourceLoadingFailed) {
+		return api.WrapError(
+			err,
+			api.NewSentinelHttpError(
+				http.StatusConflict,
+				fmt.Sprintf("Chromium failed to load resources: %v", strings.ReplaceAll(err.Error(), fmt.Sprintf(": %s", ErrResourceLoadingFailed.Error()), "")),
+			),
+		)
+	}
+
 	return err
 }

pkg/modules/chromium/routes_test.go

@@ -72,6 +72,44 @@ func TestFormDataChromiumOptions(t *testing.T) {
 			compareWithoutDeepEqual: false,
 			expectValidationError:   false,
 		},
+		{
+			scenario: "invalid failOnResourceHttpStatusCodes form field",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetValues(map[string][]string{
+					"failOnResourceHttpStatusCodes": {
+						"foo",
+					},
+				})
+				return ctx
+			}(),
+			expectedOptions: func() Options {
+				options := DefaultOptions()
+				options.FailOnResourceHttpStatusCodes = nil
+				return options
+			}(),
+			compareWithoutDeepEqual: false,
+			expectValidationError:   true,
+		},
+		{
+			scenario: "valid failOnResourceHttpStatusCodes form field",
+			ctx: func() *api.ContextMock {
+				ctx := &api.ContextMock{Context: new(api.Context)}
+				ctx.SetValues(map[string][]string{
+					"failOnResourceHttpStatusCodes": {
+						`[399,499,599]`,
+					},
+				})
+				return ctx
+			}(),
+			expectedOptions: func() Options {
+				options := DefaultOptions()
+				options.FailOnResourceHttpStatusCodes = []int64{399, 499, 599}
+				return options
+			}(),
+			compareWithoutDeepEqual: false,
+			expectValidationError:   false,
+		},
 		{
 			scenario: "invalid cookies form field",
 			ctx: func() *api.ContextMock {
@@ -1592,6 +1630,18 @@ func TestConvertUrl(t *testing.T) {
 			expectHttpStatus:       http.StatusConflict,
 			expectOutputPathsCount: 0,
 		},
+		{
+			scenario: "ErrInvalidResourceHttpStatusCode",
+			ctx:      &api.ContextMock{Context: new(api.Context)},
+			api: &ApiMock{PdfMock: func(ctx context.Context, logger *zap.Logger, url, outputPath string, options PdfOptions) error {
+				return ErrInvalidResourceHttpStatusCode
+			}},
+			options:                DefaultPdfOptions(),
+			expectError:            true,
+			expectHttpError:        true,
+			expectHttpStatus:       http.StatusConflict,
+			expectOutputPathsCount: 0,
+		},
 		{
 			scenario: "ErrConsoleExceptions",
 			ctx:      &api.ContextMock{Context: new(api.Context)},
@@ -1616,6 +1666,18 @@ func TestConvertUrl(t *testing.T) {
 			expectHttpStatus:       http.StatusBadRequest,
 			expectOutputPathsCount: 0,
 		},
+		{
+			scenario: "ErrResourceLoadingFailed",
+			ctx:      &api.ContextMock{Context: new(api.Context)},
+			api: &ApiMock{PdfMock: func(ctx context.Context, logger *zap.Logger, url, outputPath string, options PdfOptions) error {
+				return ErrResourceLoadingFailed
+			}},
+			options:                DefaultPdfOptions(),
+			expectError:            true,
+			expectHttpError:        true,
+			expectHttpStatus:       http.StatusConflict,
+			expectOutputPathsCount: 0,
+		},
 		{
 			scenario: "error from Chromium",
 			ctx:      &api.ContextMock{Context: new(api.Context)},
@@ -1802,6 +1864,18 @@ func TestScreenshotUrl(t *testing.T) {
 			expectHttpStatus:       http.StatusConflict,
 			expectOutputPathsCount: 0,
 		},
+		{
+			scenario: "ErrInvalidResourceHttpStatusCode",
+			ctx:      &api.ContextMock{Context: new(api.Context)},
+			api: &ApiMock{ScreenshotMock: func(ctx context.Context, logger *zap.Logger, url, outputPath string, options ScreenshotOptions) error {
+				return ErrInvalidResourceHttpStatusCode
+			}},
+			options:                DefaultScreenshotOptions(),
+			expectError:            true,
+			expectHttpError:        true,
+			expectHttpStatus:       http.StatusConflict,
+			expectOutputPathsCount: 0,
+		},
 		{
 			scenario: "ErrConsoleExceptions",
 			ctx:      &api.ContextMock{Context: new(api.Context)},
@@ -1826,6 +1900,18 @@ func TestScreenshotUrl(t *testing.T) {
 			expectHttpStatus:       http.StatusBadRequest,
 			expectOutputPathsCount: 0,
 		},
+		{
+			scenario: "ErrResourceLoadingFailed",
+			ctx:      &api.ContextMock{Context: new(api.Context)},
+			api: &ApiMock{ScreenshotMock: func(ctx context.Context, logger *zap.Logger, url, outputPath string, options ScreenshotOptions) error {
+				return ErrResourceLoadingFailed
+			}},
+			options:                DefaultScreenshotOptions(),
+			expectError:            true,
+			expectHttpError:        true,
+			expectHttpStatus:       http.StatusConflict,
+			expectOutputPathsCount: 0,
+		},
 		{
 			scenario: "error from Chromium",
 			ctx:      &api.ContextMock{Context: new(api.Context)},

test/testdata/chromium/html/index.html

@@ -2,6 +2,12 @@
 <html lang="en">
 <head>
     <meta charset="utf-8">
+    <!-- net::ERR_FILE_NOT_FOUND -->
+    <link rel="stylesheet" type="text/css" href="doesnotexist.css">
+    <!-- net::ERR_CONNECTION_REFUSED -->
+    <link rel="stylesheet" type="text/css" href="http://localhost:100/style.css">
+    <!-- 400 Bad Request -->
+    <link rel="stylesheet" type="text/css" href="https://httpstat.us/400">
     <link rel="stylesheet" type="text/css" href="style.css">
     <link href="https://fonts.googleapis.com/css?family=Montserrat" rel="stylesheet">
     <title>Gutenberg</title>
@@ -23,7 +29,7 @@
 
     <blockquote cite="https://sites.google.com/site/johanngutenbergper5/q">
         <p>It is a press, certainly, but a press from which shall flow in inexhaustible streams...Through it, God will spread His Word. A spring of truth shall flow from it: like a new star it shall scatter the darkness of ignorance, and cause a light heretofore unknown to shine amongst men.</p>
-        <footer>— <a href="https://sites.google.com/site/johanngutenbergper5/q">Johannes Gutenberg</a></cite></footer>
+        <footer>— <a href="https://sites.google.com/site/johanngutenbergper5/q">Johannes Gutenberg</a></footer>
     </blockquote>
 </div>
 

test/testdata/chromium/markdown/index.html

@@ -2,6 +2,12 @@
 <html lang="en">
 <head>
     <meta charset="utf-8">
+    <!-- net::ERR_FILE_NOT_FOUND -->
+    <link rel="stylesheet" type="text/css" href="doesnotexist.css">
+    <!-- net::ERR_CONNECTION_REFUSED -->
+    <link rel="stylesheet" type="text/css" href="http://localhost:100/style.css">
+    <!-- 400 Bad Request -->
+    <link rel="stylesheet" type="text/css" href="https://httpstat.us/400">
     <link rel="stylesheet" type="text/css" href="style.css">
     <link href="https://fonts.googleapis.com/css?family=Montserrat" rel="stylesheet">
     <title>Gutenberg</title>
@@ -15,7 +21,7 @@
 
     <blockquote cite="https://sites.google.com/site/johanngutenbergper5/q">
         <p>It is a press, certainly, but a press from which shall flow in inexhaustible streams...Through it, God will spread His Word. A spring of truth shall flow from it: like a new star it shall scatter the darkness of ignorance, and cause a light heretofore unknown to shine amongst men.</p>
-        <footer>— <a href="https://sites.google.com/site/johanngutenbergper5/q">Johannes Gutenberg</a></cite></footer>
+        <footer>— <a href="https://sites.google.com/site/johanngutenbergper5/q">Johannes Gutenberg</a></footer>
     </blockquote>
 </div>