Bugfix/#597 headers panic (#598)

* Remodeled HTTPHeaders

* Remodeled HTTPCookies

e2e/tests/dynamic/page/cookies/delete.fql

@@ -15,7 +15,7 @@ COOKIE_DEL(doc, COOKIE_GET(doc, "x-e2e"), "x-e2e-2")
 LET cookie1 = COOKIE_GET(doc, "x-e2e")
 LET cookie2 = COOKIE_GET(doc, "x-e2e-2")
 
-T::EQ(cookie1, "none")
+T::EQ(cookie1, NONE)
-T::EQ(cookie2, "none")
+T::EQ(cookie2, NONE)
 
 RETURN NONE

e2e/tests/dynamic/page/cookies/get.fqlx

@@ -7,6 +7,6 @@ LET cookiesPath = LENGTH(doc.cookies) > 0 ? "ok" : "false"
 LET cookie = COOKIE_GET(doc, "x-ferret")
 LET expected = "ok e2e"
 
-T::LEN(doc.cookies
+T::LEN(doc.cookies, 1)
 
 RETURN T::EQ(cookiesPath + " " + cookie.value, expected)

e2e/tests/dynamic/page/cookies/load_with.fql

@@ -7,8 +7,9 @@ LET doc = DOCUMENT(url, {
     }]
 })
 
-LET cookiesPath = LENGTH(doc.cookies) > 0 ? "ok" : "false"
 LET cookie = COOKIE_GET(doc, "x-e2e")
-LET expected = "ok test"
 
-RETURN T::EQ(cookiesPath + " " + cookie.value, expected)
+T::NOT::NONE(cookie)
+T::EQ(cookie.value, "test")
+
+RETURN NONE

examples/headers.fql

@@ -0,0 +1,5 @@
+LET proxy_header = {"Proxy-Authorization": ["Basic e40b7d5eff464a4fb51efed2d1a19a24"]}
+
+LET doc = DOCUMENT("https://google.com", { headers: proxy_header})
+
+RETURN doc

pkg/drivers/cdp/driver.go

@@ -36,7 +36,7 @@ type Driver struct {
 
 func NewDriver(opts ...Option) *Driver {
 	drv := new(Driver)
-	drv.options = newOptions(opts)
+	drv.options = NewOptions(opts)
 	drv.dev = devtool.New(drv.options.Address)
 
 	return drv
@@ -137,43 +137,11 @@ func (drv *Driver) createConnection(ctx context.Context, keepCookies bool) (*rpc
 }
 
 func (drv *Driver) setDefaultParams(params drivers.Params) drivers.Params {
-	if params.UserAgent == "" {
-		params.UserAgent = drv.options.UserAgent
-	}
-
 	if params.Viewport == nil {
 		params.Viewport = defaultViewport
 	}
 
-	if drv.options.Headers != nil && params.Headers == nil {
+	return drivers.SetDefaultParams(drv.options.Options, params)
-		params.Headers = make(drivers.HTTPHeaders)
-	}
-
-	// set default headers
-	for k, v := range drv.options.Headers {
-		_, exists := params.Headers[k]
-
-		// do not override user's set values
-		if !exists {
-			params.Headers[k] = v
-		}
-	}
-
-	if drv.options.Cookies != nil && params.Cookies == nil {
-		params.Cookies = make(drivers.HTTPCookies)
-	}
-
-	// set default cookies
-	for k, v := range drv.options.Cookies {
-		_, exists := params.Cookies[k]
-
-		// do not override user's set values
-		if !exists {
-			params.Cookies[k] = v
-		}
-	}
-
-	return params
 }
 
 func (drv *Driver) init(ctx context.Context) error {

pkg/drivers/cdp/helpers.go

@@ -51,12 +51,6 @@ func enableFeatures(ctx context.Context, client *cdp.Client, params drivers.Para
 		func() error {
 			ua := common.GetUserAgent(params.UserAgent)
 
-			//logger.
-			//	Debug().
-			//	Timestamp().
-			//	Str("user-agent", ua).
-			//	Msg("using User-Agent")
-
 			// do not use custom user agent
 			if ua == "" {
 				return nil

pkg/drivers/cdp/network/manager.go

@@ -34,7 +34,7 @@ type (
 		mu                 sync.Mutex
 		logger             *zerolog.Logger
 		client             *cdp.Client
-		headers            drivers.HTTPHeaders
+		headers            *drivers.HTTPHeaders
 		eventLoop          *events.Loop
 		cancel             context.CancelFunc
 		responseListenerID events.ListenerID
@@ -53,12 +53,12 @@ func New(
 	m := new(Manager)
 	m.logger = logger
 	m.client = client
-	m.headers = make(drivers.HTTPHeaders)
+	m.headers = drivers.NewHTTPHeaders()
 	m.eventLoop = events.NewLoop()
 	m.cancel = cancel
 	m.response = new(sync.Map)
 
-	if len(options.Cookies) > 0 {
+	if options.Cookies != nil && len(options.Cookies) > 0 {
 		for url, cookies := range options.Cookies {
 			if err := m.setCookiesInternal(ctx, url, cookies); err != nil {
 				return nil, err
@@ -66,7 +66,7 @@ func New(
 		}
 	}
 
-	if len(options.Headers) > 0 {
+	if options.Headers != nil && options.Headers.Length() > 0 {
 		if err := m.setHeadersInternal(ctx, options.Headers); err != nil {
 			return nil, err
 		}
@@ -104,7 +104,7 @@ func New(
 
 	m.responseListenerID = m.eventLoop.AddListener(responseReceived, m.onResponse)
 
-	if len(options.Filter.Patterns) > 0 {
+	if options.Filter != nil && len(options.Filter.Patterns) > 0 {
 		el2 := events.NewLoop()
 
 		err = m.client.Fetch.Enable(ctx, toFetchArgs(options.Filter.Patterns))
@@ -147,87 +147,100 @@ func (m *Manager) Close() error {
 	return nil
 }
 
-func (m *Manager) GetCookies(ctx context.Context) (drivers.HTTPCookies, error) {
+func (m *Manager) GetCookies(ctx context.Context) (*drivers.HTTPCookies, error) {
 	repl, err := m.client.Network.GetAllCookies(ctx)
 
 	if err != nil {
 		return nil, errors.Wrap(err, "failed to get cookies")
 	}
 
-	cookies := make(drivers.HTTPCookies)
+	cookies := drivers.NewHTTPCookies()
 
 	if repl.Cookies == nil {
 		return cookies, nil
 	}
 
 	for _, c := range repl.Cookies {
-		cookies[c.Name] = toDriverCookie(c)
+		cookies.Set(toDriverCookie(c))
 	}
 
 	return cookies, nil
 }
 
-func (m *Manager) SetCookies(ctx context.Context, url string, cookies drivers.HTTPCookies) error {
+func (m *Manager) SetCookies(ctx context.Context, url string, cookies *drivers.HTTPCookies) error {
 	m.mu.Lock()
 	defer m.mu.Unlock()
 
 	return m.setCookiesInternal(ctx, url, cookies)
 }
 
-func (m *Manager) setCookiesInternal(ctx context.Context, url string, cookies drivers.HTTPCookies) error {
+func (m *Manager) setCookiesInternal(ctx context.Context, url string, cookies *drivers.HTTPCookies) error {
-	if len(cookies) == 0 {
+	if cookies == nil {
+		return errors.Wrap(core.ErrMissedArgument, "cookies")
+	}
+
+	if cookies.Length() == 0 {
 		return nil
 	}
 
-	params := make([]network.CookieParam, 0, len(cookies))
+	params := make([]network.CookieParam, 0, cookies.Length())
 
-	for _, c := range cookies {
+	cookies.ForEach(func(value drivers.HTTPCookie, _ values.String) bool {
-		params = append(params, fromDriverCookie(url, c))
+		params = append(params, fromDriverCookie(url, value))
-	}
+
+		return true
+	})
 
 	return m.client.Network.SetCookies(ctx, network.NewSetCookiesArgs(params))
 }
 
-func (m *Manager) DeleteCookies(ctx context.Context, url string, cookies drivers.HTTPCookies) error {
+func (m *Manager) DeleteCookies(ctx context.Context, url string, cookies *drivers.HTTPCookies) error {
 	m.mu.Lock()
 	defer m.mu.Unlock()
 
-	if len(cookies) == 0 {
+	if cookies == nil {
+		return errors.Wrap(core.ErrMissedArgument, "cookies")
+	}
+
+	if cookies.Length() == 0 {
 		return nil
 	}
 
 	var err error
 
-	for _, c := range cookies {
+	cookies.ForEach(func(value drivers.HTTPCookie, _ values.String) bool {
-		err = m.client.Network.DeleteCookies(ctx, fromDriverCookieDelete(url, c))
+		err = m.client.Network.DeleteCookies(ctx, fromDriverCookieDelete(url, value))
 
 		if err != nil {
-			break
+			return false
-		}
 		}
 
+		return true
+	})
+
 	return err
 }
 
-func (m *Manager) GetHeaders(_ context.Context) (drivers.HTTPHeaders, error) {
+func (m *Manager) GetHeaders(_ context.Context) (*drivers.HTTPHeaders, error) {
-	copied := make(drivers.HTTPHeaders)
+	m.mu.Lock()
+	defer m.mu.Unlock()
 
-	for k, v := range m.headers {
+	if m.headers == nil {
-		copied[k] = v
+		return drivers.NewHTTPHeaders(), nil
 	}
 
-	return copied, nil
+	return m.headers.Clone().(*drivers.HTTPHeaders), nil
 }
 
-func (m *Manager) SetHeaders(ctx context.Context, headers drivers.HTTPHeaders) error {
+func (m *Manager) SetHeaders(ctx context.Context, headers *drivers.HTTPHeaders) error {
 	m.mu.Lock()
 	defer m.mu.Unlock()
 
 	return m.setHeadersInternal(ctx, headers)
 }
 
-func (m *Manager) setHeadersInternal(ctx context.Context, headers drivers.HTTPHeaders) error {
+func (m *Manager) setHeadersInternal(ctx context.Context, headers *drivers.HTTPHeaders) error {
-	if len(headers) == 0 {
+	if headers.Length() == 0 {
 		return nil
 	}
 
@@ -461,7 +474,7 @@ func (m *Manager) onResponse(_ context.Context, message interface{}) (out bool)
 	response := drivers.HTTPResponse{
 		StatusCode: msg.Response.Status,
 		Status:     msg.Response.StatusText,
-		Headers:    make(drivers.HTTPHeaders),
+		Headers:    drivers.NewHTTPHeaders(),
 	}
 
 	deserialized := make(map[string]string)

pkg/drivers/cdp/network/options.go

@@ -6,7 +6,7 @@ import (
 )
 
 type (
-	Cookies map[string]drivers.HTTPCookies
+	Cookies map[string]*drivers.HTTPCookies
 
 	Filter struct {
 		Patterns []drivers.ResourceFilter
@@ -14,8 +14,8 @@ type (
 
 	Options struct {
 		Cookies Cookies
-		Headers drivers.HTTPHeaders
+		Headers *drivers.HTTPHeaders
-		Filter  Filter
+		Filter  *Filter
 	}
 )
 

pkg/drivers/cdp/options.go

@@ -4,13 +4,9 @@ import "github.com/MontFerret/ferret/pkg/drivers"
 
 type (
 	Options struct {
-		Name        string
+		*drivers.Options
-		Proxy       string
-		UserAgent   string
 		Address     string
 		KeepCookies bool
-		Headers     drivers.HTTPHeaders
-		Cookies     drivers.HTTPCookies
 	}
 
 	Option func(opts *Options)
@@ -18,8 +14,9 @@ type (
 
 const DefaultAddress = "http://127.0.0.1:9222"
 
-func newOptions(setters []Option) *Options {
+func NewOptions(setters []Option) *Options {
 	opts := new(Options)
+	opts.Options = new(drivers.Options)
 	opts.Name = DriverName
 	opts.Address = DefaultAddress
 
@@ -40,13 +37,13 @@ func WithAddress(address string) Option {
 
 func WithProxy(address string) Option {
 	return func(opts *Options) {
-		opts.Proxy = address
+		drivers.WithProxy(address)(opts.Options)
 	}
 }
 
 func WithUserAgent(value string) Option {
 	return func(opts *Options) {
-		opts.UserAgent = value
+		drivers.WithUserAgent(value)(opts.Options)
 	}
 }
 
@@ -58,50 +55,30 @@ func WithKeepCookies() Option {
 
 func WithCustomName(name string) Option {
 	return func(opts *Options) {
-		opts.Name = name
+		drivers.WithCustomName(name)(opts.Options)
 	}
 }
 
-func WithHeader(name string, value []string) Option {
+func WithHeader(name string, header []string) Option {
 	return func(opts *Options) {
-		if opts.Headers == nil {
+		drivers.WithHeader(name, header)(opts.Options)
-			opts.Headers = make(drivers.HTTPHeaders)
-		}
-
-		opts.Headers[name] = value
 	}
 }
 
-func WithHeaders(headers drivers.HTTPHeaders) Option {
+func WithHeaders(headers *drivers.HTTPHeaders) Option {
 	return func(opts *Options) {
-		if opts.Headers == nil {
+		drivers.WithHeaders(headers)(opts.Options)
-			opts.Headers = make(drivers.HTTPHeaders)
-		}
-
-		for k, v := range headers {
-			opts.Headers[k] = v
-		}
 	}
 }
 
 func WithCookie(cookie drivers.HTTPCookie) Option {
 	return func(opts *Options) {
-		if opts.Cookies == nil {
+		drivers.WithCookie(cookie)(opts.Options)
-			opts.Cookies = make(drivers.HTTPCookies)
-		}
-
-		opts.Cookies[cookie.Name] = cookie
 	}
 }
 
 func WithCookies(cookies []drivers.HTTPCookie) Option {
 	return func(opts *Options) {
-		if opts.Cookies == nil {
+		drivers.WithCookies(cookies)(opts.Options)
-			opts.Cookies = make(drivers.HTTPCookies)
-		}
-
-		for _, c := range cookies {
-			opts.Cookies[c.Name] = c
-		}
 	}
 }

pkg/drivers/cdp/options_test.go

@@ -0,0 +1,71 @@
+package cdp_test
+
+import (
+	"testing"
+	"time"
+
+	. "github.com/smartystreets/goconvey/convey"
+
+	"github.com/MontFerret/ferret/pkg/drivers"
+	"github.com/MontFerret/ferret/pkg/drivers/cdp"
+)
+
+func TestNewOptions(t *testing.T) {
+	Convey("Should create driver options with initial values", t, func() {
+		opts := cdp.NewOptions([]cdp.Option{})
+		So(opts.Options, ShouldNotBeNil)
+		So(opts.Name, ShouldEqual, cdp.DriverName)
+		So(opts.Address, ShouldEqual, cdp.DefaultAddress)
+	})
+
+	Convey("Should use setters to set values", t, func() {
+		expectedName := cdp.DriverName + "2"
+		expectedAddress := "0.0.0.0:9222"
+		expectedUA := "Mozilla"
+		expectedProxy := "https://proxy.com"
+
+		opts := cdp.NewOptions([]cdp.Option{
+			cdp.WithCustomName(expectedName),
+			cdp.WithAddress(expectedAddress),
+			cdp.WithUserAgent(expectedUA),
+			cdp.WithProxy(expectedProxy),
+			cdp.WithKeepCookies(),
+			cdp.WithCookie(drivers.HTTPCookie{
+				Name:     "Session",
+				Value:    "fsdfsdfs",
+				Path:     "dfsdfsd",
+				Domain:   "sfdsfs",
+				Expires:  time.Time{},
+				MaxAge:   0,
+				Secure:   false,
+				HTTPOnly: false,
+				SameSite: 0,
+			}),
+			cdp.WithCookies([]drivers.HTTPCookie{
+				{
+					Name:     "Use",
+					Value:    "Foos",
+					Path:     "",
+					Domain:   "",
+					Expires:  time.Time{},
+					MaxAge:   0,
+					Secure:   false,
+					HTTPOnly: false,
+					SameSite: 0,
+				},
+			}),
+			cdp.WithHeader("Authorization", []string{"Bearer dfsd7f98sd9fsd9fsd"}),
+			cdp.WithHeaders(drivers.NewHTTPHeadersWith(map[string][]string{
+				"x-correlation-id": {"232483833833839"},
+			})),
+		})
+		So(opts.Options, ShouldNotBeNil)
+		So(opts.Name, ShouldEqual, expectedName)
+		So(opts.Address, ShouldEqual, expectedAddress)
+		So(opts.UserAgent, ShouldEqual, expectedUA)
+		So(opts.Proxy, ShouldEqual, expectedProxy)
+		So(opts.KeepCookies, ShouldBeTrue)
+		So(opts.Cookies.Length(), ShouldEqual, 2)
+		So(opts.Headers.Length(), ShouldEqual, 2)
+	})
+}

pkg/drivers/cdp/page.go

@@ -2,7 +2,6 @@ package cdp
 
 import (
 	"context"
-	"github.com/MontFerret/ferret/pkg/drivers/cdp/templates"
 	"hash/fnv"
 	"io"
 	"regexp"
@@ -18,6 +17,7 @@ import (
 	"github.com/MontFerret/ferret/pkg/drivers/cdp/dom"
 	"github.com/MontFerret/ferret/pkg/drivers/cdp/input"
 	net "github.com/MontFerret/ferret/pkg/drivers/cdp/network"
+	"github.com/MontFerret/ferret/pkg/drivers/cdp/templates"
 	"github.com/MontFerret/ferret/pkg/drivers/common"
 	"github.com/MontFerret/ferret/pkg/runtime/core"
 	"github.com/MontFerret/ferret/pkg/runtime/logging"
@@ -73,16 +73,14 @@ func LoadHTMLPage(
 		Headers: params.Headers,
 	}
 
-	if len(params.Cookies) > 0 {
+	if params.Cookies != nil && params.Cookies.Length() > 0 {
-		netOpts.Cookies = make(map[string]drivers.HTTPCookies)
+		netOpts.Cookies = make(map[string]*drivers.HTTPCookies)
 		netOpts.Cookies[params.URL] = params.Cookies
 	}
 
-	if params.Ignore != nil {
+	if params.Ignore != nil && len(params.Ignore.Resources) > 0 {
-		if len(params.Ignore.Resources) > 0 {
 		netOpts.Filter.Patterns = params.Ignore.Resources
 	}
-	}
 
 	netManager, err := net.New(logger, client, netOpts)
 
@@ -358,21 +356,21 @@ func (p *HTMLPage) GetFrame(ctx context.Context, idx values.Int) (core.Value, er
 	return frames.Get(idx), nil
 }
 
-func (p *HTMLPage) GetCookies(ctx context.Context) (drivers.HTTPCookies, error) {
+func (p *HTMLPage) GetCookies(ctx context.Context) (*drivers.HTTPCookies, error) {
 	p.mu.Lock()
 	defer p.mu.Unlock()
 
 	return p.network.GetCookies(ctx)
 }
 
-func (p *HTMLPage) SetCookies(ctx context.Context, cookies drivers.HTTPCookies) error {
+func (p *HTMLPage) SetCookies(ctx context.Context, cookies *drivers.HTTPCookies) error {
 	p.mu.Lock()
 	defer p.mu.Unlock()
 
 	return p.network.SetCookies(ctx, p.getCurrentDocument().GetURL().String(), cookies)
 }
 
-func (p *HTMLPage) DeleteCookies(ctx context.Context, cookies drivers.HTTPCookies) error {
+func (p *HTMLPage) DeleteCookies(ctx context.Context, cookies *drivers.HTTPCookies) error {
 	p.mu.Lock()
 	defer p.mu.Unlock()
 

pkg/drivers/cookies.go

@@ -13,21 +13,27 @@ import (
 	"github.com/wI2L/jettison"
 )
 
-type HTTPCookies map[string]HTTPCookie
+type HTTPCookies struct {
-
+	values map[string]HTTPCookie
-func NewHTTPCookies() HTTPCookies {
-	return make(HTTPCookies)
 }
 
-func (c HTTPCookies) MarshalJSON() ([]byte, error) {
+func NewHTTPCookies() *HTTPCookies {
-	return jettison.MarshalOpts(map[string]HTTPCookie(c), jettison.NoHTMLEscaping())
+	return NewHTTPCookiesWith(make(map[string]HTTPCookie))
 }
 
-func (c HTTPCookies) Type() core.Type {
+func NewHTTPCookiesWith(values map[string]HTTPCookie) *HTTPCookies {
+	return &HTTPCookies{values}
+}
+
+func (c *HTTPCookies) MarshalJSON() ([]byte, error) {
+	return jettison.MarshalOpts(c.values, jettison.NoHTMLEscaping())
+}
+
+func (c *HTTPCookies) Type() core.Type {
 	return HTTPCookiesType
 }
 
-func (c HTTPCookies) String() string {
+func (c *HTTPCookies) String() string {
 	j, err := c.MarshalJSON()
 
 	if err != nil {
@@ -37,21 +43,21 @@ func (c HTTPCookies) String() string {
 	return string(j)
 }
 
-func (c HTTPCookies) Compare(other core.Value) int64 {
+func (c *HTTPCookies) Compare(other core.Value) int64 {
 	if other.Type() != HTTPCookiesType {
 		return Compare(HTTPCookiesType, other.Type())
 	}
 
-	oc := other.(HTTPCookies)
+	oc := other.(*HTTPCookies)
 
 	switch {
-	case len(c) > len(oc):
+	case len(c.values) > len(oc.values):
 		return 1
-	case len(c) < len(oc):
+	case len(c.values) < len(oc.values):
 		return -1
 	}
 
-	for name := range c {
+	for name := range c.values {
 		cEl, cExists := c.Get(values.NewString(name))
 
 		if !cExists {
@@ -74,20 +80,20 @@ func (c HTTPCookies) Compare(other core.Value) int64 {
 	return 0
 }
 
-func (c HTTPCookies) Unwrap() interface{} {
+func (c *HTTPCookies) Unwrap() interface{} {
-	return map[string]HTTPCookie(c)
+	return c.values
 }
 
-func (c HTTPCookies) Hash() uint64 {
+func (c *HTTPCookies) Hash() uint64 {
 	hash := fnv.New64a()
 
 	hash.Write([]byte(c.Type().String()))
 	hash.Write([]byte(":"))
 	hash.Write([]byte("{"))
 
-	keys := make([]string, 0, len(c))
+	keys := make([]string, 0, len(c.values))
 
-	for key := range c {
+	for key := range c.values {
 		keys = append(keys, key)
 	}
 
@@ -100,7 +106,7 @@ func (c HTTPCookies) Hash() uint64 {
 		hash.Write([]byte(key))
 		hash.Write([]byte(":"))
 
-		el := c[key]
+		el := c.values[key]
 
 		bytes := make([]byte, 8)
 		binary.LittleEndian.PutUint64(bytes, el.Hash())
@@ -117,47 +123,59 @@ func (c HTTPCookies) Hash() uint64 {
 	return hash.Sum64()
 }
 
-func (c HTTPCookies) Copy() core.Value {
+func (c *HTTPCookies) Copy() core.Value {
-	copied := make(HTTPCookies)
+	return NewHTTPCookiesWith(c.values)
+}
 
-	for k, v := range c {
+func (c *HTTPCookies) Clone() core.Cloneable {
-		copied[k] = v
+	clone := make(map[string]HTTPCookie)
+
+	for _, cookie := range c.values {
+		clone[cookie.Name] = cookie
 	}
 
-	return copied
+	return NewHTTPCookiesWith(clone)
 }
 
-func (c HTTPCookies) Length() values.Int {
+func (c *HTTPCookies) Length() values.Int {
-	return values.NewInt(len(c))
+	return values.NewInt(len(c.values))
 }
 
-func (c HTTPCookies) Keys() []values.String {
+func (c *HTTPCookies) Keys() []values.String {
-	keys := make([]values.String, 0, len(c))
+	result := make([]values.String, 0, len(c.values))
 
-	for k := range c {
+	for k := range c.values {
-		keys = append(keys, values.NewString(k))
+		result = append(result, values.NewString(k))
 	}
 
-	return keys
+	return result
 }
 
-func (c HTTPCookies) Get(key values.String) (core.Value, values.Boolean) {
+func (c *HTTPCookies) Values() []HTTPCookie {
-	value, found := c[key.String()]
+	result := make([]HTTPCookie, 0, len(c.values))
+
+	for _, v := range c.values {
+		result = append(result, v)
+	}
+
+	return result
+}
+
+func (c *HTTPCookies) Get(key values.String) (HTTPCookie, values.Boolean) {
+	value, found := c.values[key.String()]
 
 	if found {
 		return value, values.True
 	}
 
-	return values.None, values.False
+	return HTTPCookie{}, values.False
 }
 
-func (c HTTPCookies) Set(key values.String, value core.Value) {
+func (c *HTTPCookies) Set(cookie HTTPCookie) {
-	if cookie, ok := value.(HTTPCookie); ok {
+	c.values[cookie.Name] = cookie
-		c[key.String()] = cookie
-	}
 }
 
-func (c HTTPCookies) GetIn(ctx context.Context, path []core.Value) (core.Value, error) {
+func (c *HTTPCookies) GetIn(ctx context.Context, path []core.Value) (core.Value, error) {
 	if len(path) == 0 {
 		return values.None, nil
 	}
@@ -170,7 +188,7 @@ func (c HTTPCookies) GetIn(ctx context.Context, path []core.Value) (core.Value,
 		return values.None, err
 	}
 
-	cookie, found := c[segment.String()]
+	cookie, found := c.values[segment.String()]
 
 	if found {
 		if len(path) == 1 {
@@ -182,3 +200,11 @@ func (c HTTPCookies) GetIn(ctx context.Context, path []core.Value) (core.Value,
 
 	return values.None, nil
 }
+
+func (c *HTTPCookies) ForEach(predicate func(value HTTPCookie, key values.String) bool) {
+	for key, val := range c.values {
+		if !predicate(val, values.NewString(key)) {
+			break
+		}
+	}
+}

pkg/drivers/cookies_test.go

@@ -0,0 +1,65 @@
+package drivers_test
+
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	. "github.com/smartystreets/goconvey/convey"
+	"github.com/wI2L/jettison"
+
+	"github.com/MontFerret/ferret/pkg/drivers"
+)
+
+func TestHTTPCookies(t *testing.T) {
+	Convey("HTTPCookies", t, func() {
+		Convey(".MarshalJSON", func() {
+			Convey("Should serialize cookies", func() {
+				expires := time.Now()
+				headers := drivers.NewHTTPCookiesWith(map[string]drivers.HTTPCookie{
+					"Session": {
+						Name:     "Session",
+						Value:    "asdfg",
+						Path:     "/",
+						Domain:   "www.google.com",
+						Expires:  expires,
+						MaxAge:   0,
+						Secure:   true,
+						HTTPOnly: true,
+						SameSite: drivers.SameSiteLaxMode,
+					},
+				})
+
+				out, err := headers.MarshalJSON()
+
+				t, e := expires.MarshalJSON()
+				So(e, ShouldBeNil)
+
+				expected := fmt.Sprintf(`{"Session":{"domain":"www.google.com","expires":%s,"http_only":true,"max_age":0,"name":"Session","path":"/","same_site":"Lax","secure":true,"value":"asdfg"}}`, string(t))
+
+				So(err, ShouldBeNil)
+				So(string(out), ShouldEqual, expected)
+			})
+
+			Convey("Should set proper values", func() {
+				headers := drivers.NewHTTPCookies()
+
+				headers.Set(drivers.HTTPCookie{
+					Name:     "Authorization",
+					Value:    "e40b7d5eff464a4fb51efed2d1a19a24",
+					Path:     "/",
+					Domain:   "www.google.com",
+					Expires:  time.Now(),
+					MaxAge:   0,
+					Secure:   false,
+					HTTPOnly: false,
+					SameSite: 0,
+				})
+
+				_, err := jettison.MarshalOpts(headers, jettison.NoHTMLEscaping())
+
+				So(err, ShouldBeNil)
+			})
+		})
+	})
+}

pkg/drivers/driver.go

@@ -11,7 +11,7 @@ type (
 	ctxKey struct{}
 
 	ctxValue struct {
-		opts    *options
+		opts    *globalOptions
 		drivers map[string]Driver
 	}
 
@@ -23,7 +23,7 @@ type (
 	}
 )
 
-func WithContext(ctx context.Context, drv Driver, opts ...Option) context.Context {
+func WithContext(ctx context.Context, drv Driver, opts ...GlobalOption) context.Context {
 	ctx, value := resolveValue(ctx)
 
 	value.drivers[drv.Name()] = drv
@@ -63,7 +63,7 @@ func resolveValue(ctx context.Context) (context.Context, *ctxValue) {
 
 	if !ok {
 		value = &ctxValue{
-			opts:    &options{},
+			opts:    &globalOptions{},
 			drivers: make(map[string]Driver),
 		}
 

pkg/drivers/headers.go

@@ -17,40 +17,50 @@ import (
 )
 
 // HTTPHeaders HTTP header object
-type HTTPHeaders map[string][]string
+type HTTPHeaders struct {
-
+	values map[string][]string
-func NewHTTPHeaders(values map[string][]string) HTTPHeaders {
-	return HTTPHeaders(values)
 }
 
-func (h HTTPHeaders) Type() core.Type {
+func NewHTTPHeaders() *HTTPHeaders {
+	return NewHTTPHeadersWith(make(map[string][]string))
+}
+
+func NewHTTPHeadersWith(values map[string][]string) *HTTPHeaders {
+	return &HTTPHeaders{values}
+}
+
+func (h *HTTPHeaders) Length() values.Int {
+	return values.NewInt(len(h.values))
+}
+
+func (h *HTTPHeaders) Type() core.Type {
 	return HTTPHeaderType
 }
 
-func (h HTTPHeaders) String() string {
+func (h *HTTPHeaders) String() string {
 	var buf bytes.Buffer
 
-	for k := range h {
+	for k := range h.values {
 		buf.WriteString(fmt.Sprintf("%s=%s;", k, h.Get(k)))
 	}
 
 	return buf.String()
 }
 
-func (h HTTPHeaders) Compare(other core.Value) int64 {
+func (h *HTTPHeaders) Compare(other core.Value) int64 {
 	if other.Type() != HTTPHeaderType {
 		return Compare(HTTPHeaderType, other.Type())
 	}
 
-	oh := other.(HTTPHeaders)
+	oh := other.(*HTTPHeaders)
 
-	if len(h) > len(oh) {
+	if len(h.values) > len(oh.values) {
 		return 1
-	} else if len(h) < len(oh) {
+	} else if len(h.values) < len(oh.values) {
 		return -1
 	}
 
-	for k := range h {
+	for k := range h.values {
 		c := strings.Compare(h.Get(k), oh.Get(k))
 
 		if c != 0 {
@@ -61,20 +71,20 @@ func (h HTTPHeaders) Compare(other core.Value) int64 {
 	return 0
 }
 
-func (h HTTPHeaders) Unwrap() interface{} {
+func (h *HTTPHeaders) Unwrap() interface{} {
-	return h
+	return h.values
 }
 
-func (h HTTPHeaders) Hash() uint64 {
+func (h *HTTPHeaders) Hash() uint64 {
 	hash := fnv.New64a()
 
 	hash.Write([]byte(h.Type().String()))
 	hash.Write([]byte(":"))
 	hash.Write([]byte("{"))
 
-	keys := make([]string, 0, len(h))
+	keys := make([]string, 0, len(h.values))
 
-	for key := range h {
+	for key := range h.values {
 		keys = append(keys, key)
 	}
 
@@ -101,18 +111,28 @@ func (h HTTPHeaders) Hash() uint64 {
 	return hash.Sum64()
 }
 
-func (h HTTPHeaders) Copy() core.Value {
+func (h *HTTPHeaders) Copy() core.Value {
-	return *(&h)
+	return &HTTPHeaders{h.values}
 }
 
-func (h HTTPHeaders) MarshalJSON() ([]byte, error) {
+func (h *HTTPHeaders) Clone() core.Cloneable {
+	cp := make(map[string][]string)
+
+	for k, v := range h.values {
+		cp[k] = v
+	}
+
+	return &HTTPHeaders{cp}
+}
+
+func (h *HTTPHeaders) MarshalJSON() ([]byte, error) {
 	headers := map[string]string{}
 
-	for key, val := range h {
+	for key, val := range h.values {
 		headers[key] = strings.Join(val, ", ")
 	}
 
-	out, err := jettison.MarshalOpts(headers, jettison.NoHTMLEscaping())
+	out, err := jettison.MarshalOpts(headers)
 
 	if err != nil {
 		return nil, err
@@ -121,15 +141,25 @@ func (h HTTPHeaders) MarshalJSON() ([]byte, error) {
 	return out, err
 }
 
-func (h HTTPHeaders) Set(key, value string) {
+func (h *HTTPHeaders) Set(key, value string) {
-	textproto.MIMEHeader(h).Set(key, value)
+	textproto.MIMEHeader(h.values).Set(key, value)
 }
 
-func (h HTTPHeaders) Get(key string) string {
+func (h *HTTPHeaders) SetArr(key string, value []string) {
-	return textproto.MIMEHeader(h).Get(key)
+	h.values[key] = value
 }
 
-func (h HTTPHeaders) GetIn(_ context.Context, path []core.Value) (core.Value, error) {
+func (h *HTTPHeaders) Get(key string) string {
+	_, found := h.values[key]
+
+	if !found {
+		return ""
+	}
+
+	return textproto.MIMEHeader(h.values).Get(key)
+}
+
+func (h *HTTPHeaders) GetIn(_ context.Context, path []core.Value) (core.Value, error) {
 	if len(path) == 0 {
 		return values.None, nil
 	}
@@ -144,3 +174,11 @@ func (h HTTPHeaders) GetIn(_ context.Context, path []core.Value) (core.Value, er
 
 	return values.NewString(h.Get(segment.String())), nil
 }
+
+func (h *HTTPHeaders) ForEach(predicate func(value []string, key string) bool) {
+	for key, val := range h.values {
+		if !predicate(val, key) {
+			break
+		}
+	}
+}

pkg/drivers/headers_test.go

@@ -4,24 +4,35 @@ import (
 	"testing"
 
 	. "github.com/smartystreets/goconvey/convey"
+	"github.com/wI2L/jettison"
 
 	"github.com/MontFerret/ferret/pkg/drivers"
 )
 
-func TestHTTPHeader(t *testing.T) {
+func TestHTTPHeaders(t *testing.T) {
 	Convey("HTTPHeaders", t, func() {
 		Convey(".MarshalJSON", func() {
 			Convey("Should serialize header values", func() {
-				headers := make(drivers.HTTPHeaders)
+				headers := drivers.NewHTTPHeadersWith(map[string][]string{
-
+					"Content-Encoding": []string{"gzip"},
-				headers["Content-Encoding"] = []string{"gzip"}
+					"Content-Type":     []string{"text/html", "charset=utf-8"},
-				headers["Content-Type"] = []string{"text/html", "charset=utf-8"}
+				})
 
 				out, err := headers.MarshalJSON()
 
 				So(err, ShouldBeNil)
 				So(string(out), ShouldEqual, `{"Content-Encoding":"gzip","Content-Type":"text/html, charset=utf-8"}`)
 			})
+
+			Convey("Should set proper values", func() {
+				headers := drivers.NewHTTPHeaders()
+
+				headers.Set("Authorization", `["Basic e40b7d5eff464a4fb51efed2d1a19a24"]`)
+
+				_, err := jettison.MarshalOpts(headers, jettison.NoHTMLEscaping())
+
+				So(err, ShouldBeNil)
+			})
 		})
 	})
 }

pkg/drivers/helpers.go

@@ -2,6 +2,7 @@ package drivers
 
 import (
 	"github.com/MontFerret/ferret/pkg/runtime/core"
+	"github.com/MontFerret/ferret/pkg/runtime/values"
 )
 
 func ToPage(value core.Value) (HTMLPage, error) {
@@ -46,3 +47,48 @@ func ToElement(value core.Value) (HTMLElement, error) {
 		)
 	}
 }
+
+func SetDefaultParams(opts *Options, params Params) Params {
+	if params.Headers == nil && opts.Headers != nil {
+		params.Headers = NewHTTPHeaders()
+	}
+
+	// set default headers
+	if opts.Headers != nil {
+		opts.Headers.ForEach(func(value []string, key string) bool {
+			val := params.Headers.Get(key)
+
+			// do not override user's set values
+			if val == "" {
+				params.Headers.SetArr(key, value)
+			}
+
+			return true
+		})
+	}
+
+	if params.Cookies == nil && opts.Cookies != nil {
+		params.Cookies = NewHTTPCookies()
+	}
+
+	// set default cookies
+	if opts.Cookies != nil {
+		opts.Cookies.ForEach(func(value HTTPCookie, key values.String) bool {
+			_, exists := params.Cookies.Get(key)
+
+			// do not override user's set values
+			if !exists {
+				params.Cookies.Set(value)
+			}
+
+			return true
+		})
+	}
+
+	// set default user agent
+	if opts.UserAgent != "" && params.UserAgent == "" {
+		params.UserAgent = opts.UserAgent
+	}
+
+	return params
+}

pkg/drivers/helpers_test.go

@@ -0,0 +1,41 @@
+package drivers_test
+
+import (
+	"testing"
+	"time"
+
+	. "github.com/smartystreets/goconvey/convey"
+
+	"github.com/MontFerret/ferret/pkg/drivers"
+)
+
+func TestSetDefaultParams(t *testing.T) {
+	Convey("Should take values from Options if not present in Params", t, func() {
+		opts := &drivers.Options{
+			Name:      "Test",
+			UserAgent: "Mozilla",
+			Headers: drivers.NewHTTPHeadersWith(map[string][]string{
+				"Accept": {"application/json"},
+			}),
+			Cookies: drivers.NewHTTPCookiesWith(map[string]drivers.HTTPCookie{
+				"Session": drivers.HTTPCookie{
+					Name:     "Session",
+					Value:    "fsfsdfsd",
+					Path:     "",
+					Domain:   "",
+					Expires:  time.Time{},
+					MaxAge:   0,
+					Secure:   false,
+					HTTPOnly: false,
+					SameSite: 0,
+				},
+			}),
+		}
+
+		params := drivers.SetDefaultParams(opts, drivers.Params{})
+
+		So(params.UserAgent, ShouldEqual, opts.UserAgent)
+		So(params.Headers, ShouldNotBeNil)
+		So(params.Cookies, ShouldNotBeNil)
+	})
+}

pkg/drivers/http/driver.go

@@ -25,7 +25,7 @@ type Driver struct {
 
 func NewDriver(opts ...Option) *Driver {
 	drv := new(Driver)
-	drv.options = newOptions(opts)
+	drv.options = NewOptions(opts)
 
 	drv.client = newHTTPClient(drv.options)
 	drv.client.Concurrency = drv.options.Concurrency
@@ -96,63 +96,11 @@ func (drv *Driver) Open(ctx context.Context, params drivers.Params) (drivers.HTM
 	req.Header.Set("Cache-Control", "no-cache")
 	req.Header.Set("Pragma", "no-cache")
 
-	if drv.options.Headers != nil && params.Headers == nil {
+	params = drivers.SetDefaultParams(drv.options.Options, params)
-		params.Headers = make(drivers.HTTPHeaders)
-	}
-
-	// Set default headers
-	for k, v := range drv.options.Headers {
-		_, exists := params.Headers[k]
-
-		// do not override user's set values
-		if !exists {
-			params.Headers[k] = v
-		}
-	}
-
-	for k := range params.Headers {
-		req.Header.Add(k, params.Headers.Get(k))
-
-		logger.
-			Debug().
-			Timestamp().
-			Str("header", k).
-			Msg("set header")
-	}
-
-	if drv.options.Cookies != nil && params.Cookies == nil {
-		params.Cookies = make(drivers.HTTPCookies)
-	}
-
-	// set default cookies
-	for k, v := range drv.options.Cookies {
-		_, exists := params.Cookies[k]
-
-		// do not override user's set values
-		if !exists {
-			params.Cookies[k] = v
-		}
-	}
-
-	for _, c := range params.Cookies {
-		req.AddCookie(fromDriverCookie(c))
-
-		logger.
-			Debug().
-			Timestamp().
-			Str("cookie", c.Name).
-			Msg("set cookie")
-	}
 
 	req = req.WithContext(ctx)
 
-	var ua string
+	ua := common.GetUserAgent(params.UserAgent)
-
-	if params.UserAgent != "" {
-		ua = common.GetUserAgent(params.UserAgent)
-	} else {
-		ua = common.GetUserAgent(drv.options.UserAgent)
-	}
 
 	logger.
 		Debug().
@@ -197,7 +145,7 @@ func (drv *Driver) Open(ctx context.Context, params drivers.Params) (drivers.HTM
 	r := drivers.HTTPResponse{
 		StatusCode: resp.StatusCode,
 		Status:     resp.Status,
-		Headers:    drivers.HTTPHeaders(resp.Header),
+		Headers:    drivers.NewHTTPHeadersWith(resp.Header),
 	}
 
 	return NewHTMLPage(doc, params.URL, r, cookies)

pkg/drivers/http/driver_test.go

@@ -2,6 +2,7 @@ package http
 
 import (
 	"crypto/tls"
+	"github.com/MontFerret/ferret/pkg/drivers"
 	"net/http"
 	"reflect"
 	"testing"
@@ -25,14 +26,18 @@ func Test_newHTTPClientWithTransport(t *testing.T) {
 		{
 			name: "check transport exist with pester.New()",
 			args: args{options: &Options{
+				Options: &drivers.Options{
 					Proxy: "http://0.0.0.|",
+				},
 				HTTPTransport: httpTransport,
 			}},
 		},
 		{
 			name: "check transport exist with pester.NewExtendedClient()",
 			args: args{options: &Options{
+				Options: &drivers.Options{
 					Proxy: "http://0.0.0.0",
+				},
 				HTTPTransport: httpTransport,
 			}},
 		},
@@ -69,7 +74,9 @@ func Test_newHTTPClient(t *testing.T) {
 	convey.Convey("pester.New()", t, func() {
 		var (
 			client = newHTTPClient(&Options{
+				Options: &drivers.Options{
 					Proxy: "http://0.0.0.|",
+				},
 			})
 
 			rValue = reflect.ValueOf(client).Elem()
@@ -85,7 +92,9 @@ func Test_newHTTPClient(t *testing.T) {
 	convey.Convey("pester.NewExtend()", t, func() {
 		var (
 			client = newHTTPClient(&Options{
+				Options: &drivers.Options{
 					Proxy: "http://0.0.0.0",
+				},
 			})
 
 			rValue = reflect.ValueOf(client).Elem()

pkg/drivers/http/helpers.go

@@ -54,8 +54,8 @@ func outerHTML(s *goquery.Selection) (string, error) {
 	return buf.String(), nil
 }
 
-func toDriverCookies(cookies []*HTTP.Cookie) (drivers.HTTPCookies, error) {
+func toDriverCookies(cookies []*HTTP.Cookie) (*drivers.HTTPCookies, error) {
-	res := make(drivers.HTTPCookies)
+	res := drivers.NewHTTPCookies()
 
 	for _, c := range cookies {
 		dc, err := toDriverCookie(c)
@@ -64,7 +64,7 @@ func toDriverCookies(cookies []*HTTP.Cookie) (drivers.HTTPCookies, error) {
 			return nil, err
 		}
 
-		res[dc.Name] = dc
+		res.Set(dc)
 	}
 
 	return res, nil

pkg/drivers/http/options.go

@@ -1,11 +1,17 @@
 package http
 
 import (
-	"github.com/gobwas/glob"
 	stdhttp "net/http"
 
-	"github.com/MontFerret/ferret/pkg/drivers"
+	"github.com/gobwas/glob"
 	"github.com/sethgrid/pester"
+
+	"github.com/MontFerret/ferret/pkg/drivers"
+)
+
+var (
+	DefaultConcurrency = 3
+	DefaultMaxRetries  = 5
 )
 
 type (
@@ -17,25 +23,22 @@ type (
 	}
 
 	Options struct {
-		Name            string
+		*drivers.Options
 		Backoff         pester.BackoffStrategy
 		MaxRetries      int
 		Concurrency     int
-		Proxy           string
-		UserAgent       string
-		Headers         drivers.HTTPHeaders
-		Cookies         drivers.HTTPCookies
 		HTTPCodesFilter []compiledStatusCodeFilter
 		HTTPTransport   *stdhttp.Transport
 	}
 )
 
-func newOptions(setters []Option) *Options {
+func NewOptions(setters []Option) *Options {
 	opts := new(Options)
+	opts.Options = new(drivers.Options)
 	opts.Name = DriverName
 	opts.Backoff = pester.ExponentialBackoff
-	opts.Concurrency = 3
+	opts.Concurrency = DefaultConcurrency
-	opts.MaxRetries = 5
+	opts.MaxRetries = DefaultMaxRetries
 	opts.HTTPCodesFilter = make([]compiledStatusCodeFilter, 0, 5)
 
 	for _, setter := range setters {
@@ -77,63 +80,43 @@ func WithConcurrency(value int) Option {
 
 func WithProxy(address string) Option {
 	return func(opts *Options) {
-		opts.Proxy = address
+		drivers.WithProxy(address)(opts.Options)
 	}
 }
 
 func WithUserAgent(value string) Option {
 	return func(opts *Options) {
-		opts.UserAgent = value
+		drivers.WithUserAgent(value)(opts.Options)
 	}
 }
 
 func WithCustomName(name string) Option {
 	return func(opts *Options) {
-		opts.Name = name
+		drivers.WithCustomName(name)(opts.Options)
 	}
 }
 
 func WithHeader(name string, value []string) Option {
 	return func(opts *Options) {
-		if opts.Headers == nil {
+		drivers.WithHeader(name, value)(opts.Options)
-			opts.Headers = make(drivers.HTTPHeaders)
-		}
-
-		opts.Headers[name] = value
 	}
 }
 
-func WithHeaders(headers drivers.HTTPHeaders) Option {
+func WithHeaders(headers *drivers.HTTPHeaders) Option {
 	return func(opts *Options) {
-		if opts.Headers == nil {
+		drivers.WithHeaders(headers)(opts.Options)
-			opts.Headers = make(drivers.HTTPHeaders)
-		}
-
-		for k, v := range headers {
-			opts.Headers[k] = v
-		}
 	}
 }
 
 func WithCookie(cookie drivers.HTTPCookie) Option {
 	return func(opts *Options) {
-		if opts.Cookies == nil {
+		drivers.WithCookie(cookie)(opts.Options)
-			opts.Cookies = make(drivers.HTTPCookies)
-		}
-
-		opts.Cookies[cookie.Name] = cookie
 	}
 }
 
 func WithCookies(cookies []drivers.HTTPCookie) Option {
 	return func(opts *Options) {
-		if opts.Cookies == nil {
+		drivers.WithCookies(cookies)(opts.Options)
-			opts.Cookies = make(drivers.HTTPCookies)
-		}
-
-		for _, c := range cookies {
-			opts.Cookies[c.Name] = c
-		}
 	}
 }
 

pkg/drivers/http/options_test.go

@@ -0,0 +1,85 @@
+package http_test
+
+import (
+	stdhttp "net/http"
+	"testing"
+	"time"
+
+	"github.com/sethgrid/pester"
+	. "github.com/smartystreets/goconvey/convey"
+
+	"github.com/MontFerret/ferret/pkg/drivers"
+	"github.com/MontFerret/ferret/pkg/drivers/http"
+)
+
+func TestNewOptions(t *testing.T) {
+	Convey("Should create driver options with initial values", t, func() {
+		opts := http.NewOptions([]http.Option{})
+		So(opts.Options, ShouldNotBeNil)
+		So(opts.Name, ShouldEqual, http.DriverName)
+		So(opts.Backoff, ShouldEqual, pester.ExponentialBackoff)
+		So(opts.Concurrency, ShouldEqual, http.DefaultConcurrency)
+		So(opts.MaxRetries, ShouldEqual, http.DefaultMaxRetries)
+		So(opts.HTTPCodesFilter, ShouldHaveLength, 0)
+	})
+
+	Convey("Should use setters to set values", t, func() {
+		expectedName := http.DriverName + "2"
+		expectedUA := "Mozilla"
+		expectedProxy := "https://proxy.com"
+		expectedMaxRetries := 2
+		expectedConcurrency := 10
+		expectedTransport := &stdhttp.Transport{}
+
+		opts := http.NewOptions([]http.Option{
+			http.WithCustomName(expectedName),
+			http.WithUserAgent(expectedUA),
+			http.WithProxy(expectedProxy),
+			http.WithCookie(drivers.HTTPCookie{
+				Name:     "Session",
+				Value:    "fsdfsdfs",
+				Path:     "dfsdfsd",
+				Domain:   "sfdsfs",
+				Expires:  time.Time{},
+				MaxAge:   0,
+				Secure:   false,
+				HTTPOnly: false,
+				SameSite: 0,
+			}),
+			http.WithCookies([]drivers.HTTPCookie{
+				{
+					Name:     "Use",
+					Value:    "Foos",
+					Path:     "",
+					Domain:   "",
+					Expires:  time.Time{},
+					MaxAge:   0,
+					Secure:   false,
+					HTTPOnly: false,
+					SameSite: 0,
+				},
+			}),
+			http.WithHeader("Authorization", []string{"Bearer dfsd7f98sd9fsd9fsd"}),
+			http.WithHeaders(drivers.NewHTTPHeadersWith(map[string][]string{
+				"x-correlation-id": {"232483833833839"},
+			})),
+			http.WithDefaultBackoff(),
+			http.WithMaxRetries(expectedMaxRetries),
+			http.WithConcurrency(expectedConcurrency),
+			http.WithAllowedHTTPCode(401),
+			http.WithAllowedHTTPCodes([]int{403, 404}),
+			http.WithCustomTransport(expectedTransport),
+		})
+		So(opts.Options, ShouldNotBeNil)
+		So(opts.Name, ShouldEqual, expectedName)
+		So(opts.UserAgent, ShouldEqual, expectedUA)
+		So(opts.Proxy, ShouldEqual, expectedProxy)
+		So(opts.Cookies.Length(), ShouldEqual, 2)
+		So(opts.Headers.Length(), ShouldEqual, 2)
+		So(opts.Backoff, ShouldEqual, pester.DefaultBackoff)
+		So(opts.MaxRetries, ShouldEqual, expectedMaxRetries)
+		So(opts.Concurrency, ShouldEqual, expectedConcurrency)
+		So(opts.HTTPCodesFilter, ShouldHaveLength, 3)
+		So(opts.HTTPTransport, ShouldEqual, expectedTransport)
+	})
+}

pkg/drivers/http/page.go

@@ -14,7 +14,7 @@ import (
 
 type HTMLPage struct {
 	document *HTMLDocument
-	cookies  drivers.HTTPCookies
+	cookies  *drivers.HTTPCookies
 	frames   *values.Array
 	response drivers.HTTPResponse
 }
@@ -23,7 +23,7 @@ func NewHTMLPage(
 	qdoc *goquery.Document,
 	url string,
 	response drivers.HTTPResponse,
-	cookies drivers.HTTPCookies,
+	cookies *drivers.HTTPCookies,
 ) (*HTMLPage, error) {
 	doc, err := NewRootHTMLDocument(qdoc, url)
 
@@ -84,10 +84,10 @@ func (p *HTMLPage) Hash() uint64 {
 }
 
 func (p *HTMLPage) Copy() core.Value {
-	cookies := make(drivers.HTTPCookies)
+	var cookies *drivers.HTTPCookies
 
-	for k, v := range p.cookies {
+	if p.cookies != nil {
-		cookies[k] = v
+		cookies = p.cookies.Copy().(*drivers.HTTPCookies)
 	}
 
 	page, err := NewHTMLPage(
@@ -168,11 +168,15 @@ func (p *HTMLPage) GetFrame(ctx context.Context, idx values.Int) (core.Value, er
 	return p.frames.Get(idx), nil
 }
 
-func (p *HTMLPage) GetCookies(_ context.Context) (drivers.HTTPCookies, error) {
+func (p *HTMLPage) GetCookies(_ context.Context) (*drivers.HTTPCookies, error) {
-	res := make(drivers.HTTPCookies)
+	res := drivers.NewHTTPCookies()
 
-	for n, v := range p.cookies {
+	if p.cookies != nil {
-		res[n] = v
+		p.cookies.ForEach(func(value drivers.HTTPCookie, _ values.String) bool {
+			res.Set(value)
+
+			return true
+		})
 	}
 
 	return res, nil
@@ -182,11 +186,11 @@ func (p *HTMLPage) GetResponse(_ context.Context) (drivers.HTTPResponse, error)
 	return p.response, nil
 }
 
-func (p *HTMLPage) SetCookies(_ context.Context, _ drivers.HTTPCookies) error {
+func (p *HTMLPage) SetCookies(_ context.Context, _ *drivers.HTTPCookies) error {
 	return core.ErrNotSupported
 }
 
-func (p *HTMLPage) DeleteCookies(_ context.Context, _ drivers.HTTPCookies) error {
+func (p *HTMLPage) DeleteCookies(_ context.Context, _ *drivers.HTTPCookies) error {
 	return core.ErrNotSupported
 }
 

pkg/drivers/options.go

@@ -1,15 +1,89 @@
 package drivers
 
 type (
-	options struct {
+	globalOptions struct {
 		defaultDriver string
 	}
 
-	Option func(drv Driver, opts *options)
+	GlobalOption func(drv Driver, opts *globalOptions)
+
+	Options struct {
+		Name      string
+		Proxy     string
+		UserAgent string
+		Headers   *HTTPHeaders
+		Cookies   *HTTPCookies
+	}
+
+	Option func(opts *Options)
 )
 
-func AsDefault() Option {
+func AsDefault() GlobalOption {
-	return func(drv Driver, opts *options) {
+	return func(drv Driver, opts *globalOptions) {
 		opts.defaultDriver = drv.Name()
 	}
 }
+
+func WithProxy(address string) Option {
+	return func(opts *Options) {
+		opts.Proxy = address
+	}
+}
+
+func WithUserAgent(value string) Option {
+	return func(opts *Options) {
+		opts.UserAgent = value
+	}
+}
+
+func WithCustomName(name string) Option {
+	return func(opts *Options) {
+		opts.Name = name
+	}
+}
+
+func WithHeader(name string, value []string) Option {
+	return func(opts *Options) {
+		if opts.Headers == nil {
+			opts.Headers = NewHTTPHeaders()
+		}
+
+		opts.Headers.SetArr(name, value)
+	}
+}
+
+func WithHeaders(headers *HTTPHeaders) Option {
+	return func(opts *Options) {
+		if opts.Headers == nil {
+			opts.Headers = NewHTTPHeaders()
+		}
+
+		headers.ForEach(func(value []string, key string) bool {
+			opts.Headers.SetArr(key, value)
+
+			return true
+		})
+	}
+}
+
+func WithCookie(cookie HTTPCookie) Option {
+	return func(opts *Options) {
+		if opts.Cookies == nil {
+			opts.Cookies = NewHTTPCookies()
+		}
+
+		opts.Cookies.Set(cookie)
+	}
+}
+
+func WithCookies(cookies []HTTPCookie) Option {
+	return func(opts *Options) {
+		if opts.Cookies == nil {
+			opts.Cookies = NewHTTPCookies()
+		}
+
+		for _, c := range cookies {
+			opts.Cookies.Set(c)
+		}
+	}
+}

pkg/drivers/params.go

@@ -28,8 +28,8 @@ type (
 		URL         string
 		UserAgent   string
 		KeepCookies bool
-		Cookies     HTTPCookies
+		Cookies     *HTTPCookies
-		Headers     HTTPHeaders
+		Headers     *HTTPHeaders
 		Viewport    *Viewport
 		Ignore      *Ignore
 	}
@@ -37,8 +37,8 @@ type (
 	ParseParams struct {
 		Content     []byte
 		KeepCookies bool
-		Cookies     HTTPCookies
+		Cookies     *HTTPCookies
-		Headers     HTTPHeaders
+		Headers     *HTTPHeaders
 		Viewport    *Viewport
 	}
 )

pkg/drivers/response.go

@@ -14,7 +14,7 @@ import (
 type HTTPResponse struct {
 	StatusCode int
 	Status     string
-	Headers    HTTPHeaders
+	Headers    *HTTPHeaders
 }
 
 func (resp *HTTPResponse) Type() core.Type {
@@ -62,7 +62,7 @@ func (resp *HTTPResponse) Hash() uint64 {
 type responseMarshal struct {
 	StatusCode int          `json:"status_code"`
 	Status     string       `json:"status"`
-	Headers    HTTPHeaders `json:"headers"`
+	Headers    *HTTPHeaders `json:"headers"`
 }
 
 func (resp *HTTPResponse) MarshalJSON() ([]byte, error) {

pkg/drivers/value.go

@@ -196,11 +196,11 @@ type (
 
 		GetFrame(ctx context.Context, idx values.Int) (core.Value, error)
 
-		GetCookies(ctx context.Context) (HTTPCookies, error)
+		GetCookies(ctx context.Context) (*HTTPCookies, error)
 
-		SetCookies(ctx context.Context, cookies HTTPCookies) error
+		SetCookies(ctx context.Context, cookies *HTTPCookies) error
 
-		DeleteCookies(ctx context.Context, cookies HTTPCookies) error
+		DeleteCookies(ctx context.Context, cookies *HTTPCookies) error
 
 		GetResponse(ctx context.Context) (HTTPResponse, error)
 

pkg/stdlib/html/cookie_del.go

@@ -26,8 +26,8 @@ func CookieDel(ctx context.Context, args ...core.Value) (core.Value, error) {
 	}
 
 	inputs := args[1:]
-	var currentCookies drivers.HTTPCookies
+	var currentCookies *drivers.HTTPCookies
-	cookies := make(drivers.HTTPCookies)
+	cookies := drivers.NewHTTPCookies()
 
 	for _, c := range inputs {
 		switch cookie := c.(type) {
@@ -42,14 +42,14 @@ func CookieDel(ctx context.Context, args ...core.Value) (core.Value, error) {
 				currentCookies = current
 			}
 
-			found, isFound := currentCookies[cookie.String()]
+			found, isFound := currentCookies.Get(cookie)
 
 			if isFound {
-				cookies[cookie.String()] = found
+				cookies.Set(found)
 			}
 
 		case drivers.HTTPCookie:
-			cookies[cookie.Name] = cookie
+			cookies.Set(cookie)
 		default:
 			return values.None, core.TypeError(c.Type(), types.String, drivers.HTTPCookieType)
 		}

pkg/stdlib/html/cookie_get.go

@@ -40,7 +40,7 @@ func CookieGet(ctx context.Context, args ...core.Value) (core.Value, error) {
 		return values.None, err
 	}
 
-	cookie, found := cookies[name.String()]
+	cookie, found := cookies.Get(name)
 
 	if found {
 		return cookie, nil

pkg/stdlib/html/cookie_set.go

@@ -24,7 +24,7 @@ func CookieSet(ctx context.Context, args ...core.Value) (core.Value, error) {
 		return values.None, err
 	}
 
-	cookies := make(drivers.HTTPCookies)
+	cookies := drivers.NewHTTPCookies()
 
 	for _, c := range args[1:] {
 		cookie, err := parseCookie(c)
@@ -33,7 +33,7 @@ func CookieSet(ctx context.Context, args ...core.Value) (core.Value, error) {
 			return values.None, err
 		}
 
-		cookies[cookie.Name] = cookie
+		cookies.Set(cookie)
 	}
 
 	return values.None, page.SetCookies(ctx, cookies)

pkg/stdlib/html/document.go

@@ -168,7 +168,7 @@ func newPageLoadParams(url values.String, arg core.Value) (PageLoadParams, error
 
 				res.Cookies = cookies
 			default:
-				res.Cookies = make(drivers.HTTPCookies)
+				res.Cookies = drivers.NewHTTPCookies()
 			}
 		}
 
@@ -220,9 +220,13 @@ func newPageLoadParams(url values.String, arg core.Value) (PageLoadParams, error
 	return res, nil
 }
 
-func parseCookieObject(obj *values.Object) (drivers.HTTPCookies, error) {
+func parseCookieObject(obj *values.Object) (*drivers.HTTPCookies, error) {
+	if obj == nil {
+		return nil, errors.Wrap(core.ErrMissedArgument, "cookies")
+	}
+
 	var err error
-	res := make(drivers.HTTPCookies)
+	res := drivers.NewHTTPCookies()
 
 	obj.ForEach(func(value core.Value, _ string) bool {
 		cookie, e := parseCookie(value)
@@ -233,7 +237,7 @@ func parseCookieObject(obj *values.Object) (drivers.HTTPCookies, error) {
 			return false
 		}
 
-		res[cookie.Name] = cookie
+		res.Set(cookie)
 
 		return true
 	})
@@ -241,9 +245,13 @@ func parseCookieObject(obj *values.Object) (drivers.HTTPCookies, error) {
 	return res, err
 }
 
-func parseCookieArray(arr *values.Array) (drivers.HTTPCookies, error) {
+func parseCookieArray(arr *values.Array) (*drivers.HTTPCookies, error) {
+	if arr == nil {
+		return nil, errors.Wrap(core.ErrMissedArgument, "cookies")
+	}
+
 	var err error
-	res := make(drivers.HTTPCookies)
+	res := drivers.NewHTTPCookies()
 
 	arr.ForEach(func(value core.Value, _ int) bool {
 		cookie, e := parseCookie(value)
@@ -254,7 +262,7 @@ func parseCookieArray(arr *values.Array) (drivers.HTTPCookies, error) {
 			return false
 		}
 
-		res[cookie.Name] = cookie
+		res.Set(cookie)
 
 		return true
 	})
@@ -350,11 +358,25 @@ func parseCookie(value core.Value) (drivers.HTTPCookie, error) {
 	return cookie, err
 }
 
-func parseHeader(headers *values.Object) drivers.HTTPHeaders {
+func parseHeader(headers *values.Object) *drivers.HTTPHeaders {
-	res := make(drivers.HTTPHeaders)
+	res := drivers.NewHTTPHeaders()
 
 	headers.ForEach(func(value core.Value, key string) bool {
+		if value.Type() == types.Array {
+			value := value.(*values.Array)
+
+			keyValues := make([]string, 0, value.Length())
+
+			value.ForEach(func(v core.Value, idx int) bool {
+				keyValues = append(keyValues, v.String())
+
+				return true
+			})
+
+			res.SetArr(key, keyValues)
+		} else {
 			res.Set(key, value.String())
+		}
 
 		return true
 	})

pkg/stdlib/html/parse.go

@@ -132,7 +132,7 @@ func parseParseParams(content []byte, arg *values.Object) (ParseParams, error) {
 
 			res.Cookies = cookies
 		default:
-			res.Cookies = make(drivers.HTTPCookies)
+			res.Cookies = drivers.NewHTTPCookies()
 		}
 	}