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How to use SetHeader method of rod Package

Best Rod code snippet using rod.SetHeader

hijack.go

Source:hijack.go

...191	defer func() { _ = res.Body.Close() }()192	h.Response.payload.ResponseCode = res.StatusCode193	for k, vs := range res.Header {194		for _, v := range vs {195			h.Response.SetHeader(k, v)196		}197	}198	if loadBody {199		b, err := ioutil.ReadAll(res.Body)200		if err != nil {201			return err202		}203		h.Response.payload.Body = b204	}205	return nil206}207// HijackRequest context208type HijackRequest struct {209	event *proto.FetchRequestPaused210	req   *http.Request211}212// Type of the resource213// èµæºçç±»å214func (ctx *HijackRequest) Type() proto.NetworkResourceType {215	return ctx.event.ResourceType216}217// Method of the request218// è¯·æ±çæ¹æ³219func (ctx *HijackRequest) Method() string {220	return ctx.event.Request.Method221}222// URL of the request223// è¯·æ±çURL224func (ctx *HijackRequest) URL() *url.URL {225	u, _ := url.Parse(ctx.event.Request.URL)226	return u227}228// Header via a key229// éè¿keyè·å¾ç¸åºçè¯·æ±å¤´çå¼230func (ctx *HijackRequest) Header(key string) string {231	return ctx.event.Request.Headers[key].String()232}233// Headers of request234// è¯·æ±çè¯·æ±å¤´235func (ctx *HijackRequest) Headers() proto.NetworkHeaders {236	return ctx.event.Request.Headers237}238// Body of the request, devtools API doesn't support binary data yet, only string can be captured.239// è¯·æ±ä½ï¼devtools APIè¿ä¸æ¯æäºè¿å¶æ°æ®ï¼åªè½æè·åç¬¦ä¸²ã240func (ctx *HijackRequest) Body() string {241	return ctx.event.Request.PostData242}243// JSONBody of the request244// è¯·æ±çJSONBody245func (ctx *HijackRequest) JSONBody() gson.JSON {246	return gson.NewFrom(ctx.Body())247}248// Req returns the underlaying http.Request instance that will be used to send the request.249// Reqè¿åå°ç¨äºåéè¯·æ±çhttp.Requestå®ä¾çåºå±ã250func (ctx *HijackRequest) Req() *http.Request {251	return ctx.req252}253// SetContext of the underlaying http.Request instance254// è®¾ç½®åºå±http.Requestå®ä¾çä¸ä¸æã255func (ctx *HijackRequest) SetContext(c context.Context) *HijackRequest {256	ctx.req = ctx.req.WithContext(c)257	return ctx258}259// SetBody of the request, if obj is []byte or string, raw body will be used, else it will be encoded as json.260// è®¾ç½®è¯·æ±çæ£æï¼å¦æobjæ¯[]åèæåç¬¦ä¸²ï¼å°ä½¿ç¨åå§æ£æï¼å¦åå°è¢«ç¼ç ä¸ºjsonã261func (ctx *HijackRequest) SetBody(obj interface{}) *HijackRequest {262	var b []byte263	switch body := obj.(type) {264	case []byte:265		b = body266	case string:267		b = []byte(body)268	default:269		b = utils.MustToJSONBytes(body)270	}271	ctx.req.Body = ioutil.NopCloser(bytes.NewBuffer(b))272	return ctx273}274// IsNavigation determines whether the request is a navigation request275// IsNavigation ç¡®å®è¯·æ±æ¯å¦æ¯ä¸ä¸ªå¯¼èªè¯·æ±276func (ctx *HijackRequest) IsNavigation() bool {277	return ctx.Type() == proto.NetworkResourceTypeDocument278}279// HijackResponse context280type HijackResponse struct {281	payload *proto.FetchFulfillRequest282	fail    *proto.FetchFailRequest283}284// Payload to respond the request from the browser.285// æ¥èªæµè§å¨è¯·æ±ååºç payload286func (ctx *HijackResponse) Payload() *proto.FetchFulfillRequest {287	return ctx.payload288}289// Body of the payload290// playload çä¸»ä½291func (ctx *HijackResponse) Body() string {292	return string(ctx.payload.Body)293}294// Headers returns the clone of response headers.295// è¿åååºå¤´çåé296// If you want to modify the response headers use HijackResponse.SetHeader .297// å¦ææ³ä¿®æ¹ååºå¤´è¯·ä½¿ç¨ï¼HijackResponse.SetHeader298func (ctx *HijackResponse) Headers() http.Header {299	header := http.Header{}300	for _, h := range ctx.payload.ResponseHeaders {301		header.Add(h.Name, h.Value)302	}303	return header304}305// SetHeader of the payload via key-value pairs306// éè¿é®å¼å¯¹å¿ä¸º playload è®¾ç½®ååºå¤´307func (ctx *HijackResponse) SetHeader(pairs ...string) *HijackResponse {308	for i := 0; i < len(pairs); i += 2 {309		ctx.payload.ResponseHeaders = append(ctx.payload.ResponseHeaders, &proto.FetchHeaderEntry{310			Name:  pairs[i],311			Value: pairs[i+1],312		})313	}314	return ctx315}316// SetBody of the payload, if obj is []byte or string, raw body will be used, else it will be encoded as json.317// è®¾ç½®ææè½½è·çä¸»ä½ï¼å¦æobjæ¯[]åèæåç¬¦ä¸²ï¼å°ä½¿ç¨åå§ä¸»ä½ï¼å¦åå°è¢«ç¼ç ä¸ºjsonã318func (ctx *HijackResponse) SetBody(obj interface{}) *HijackResponse {319	switch body := obj.(type) {320	case []byte:321		ctx.payload.Body = body...

web.go

Source:web.go

1package provider2import (3	"bytes"4	"context"5	"errors"6	"fmt"7	"io"8	"net/http"9	"net/url"10	"regexp"11	"sync"12	"github.com/PuerkitoBio/goquery"13	"github.com/go-rod/rod"14	"github.com/go-rod/rod/lib/launcher"15	"github.com/go-rod/rod/lib/proto"16)17// Rod is very sensitive and for now, the best approach is to have a mutex at the package level protecting all the18// operations.19var webBrowserMutex sync.Mutex // nolint: gochecknoglobals20type webClient interface {21	Do(req *http.Request) (*http.Response, error)22}23type webClientTransport struct {24	client webClient25}26func (w webClientTransport) RoundTrip(req *http.Request) (*http.Response, error) {27	return w.client.Do(req)28}29type webConfigRegex struct {30	expression regexp.Regexp31	key        string32}33// WebConfig has the information to enhance the request.34type WebConfig struct {35	Header http.Header36}37// Web handle the verification of HTTP endpoints.38type Web struct {39	Config          WebConfig40	ConfigOverwrite map[string]WebConfig41	browser              *rod.Browser42	client               webClient43	regex                regexp.Regexp44	regexConfigOverwrite []webConfigRegex45}46// Init internal state.47func (w *Web) Init() error {48	if err := w.initRegex(); err != nil {49		return fmt.Errorf("fail to initialize the regex: %w", err)50	}51	if err := w.initRegexConfig(); err != nil {52		return fmt.Errorf("fail to initialize the regex config: %w", err)53	}54	w.initHTTP()55	if err := w.initBrowser(); err != nil {56		return fmt.Errorf("failed to initialize the browser: %w", err)57	}58	return nil59}60// Close the provider.61func (w *Web) Close() error {62	if err := w.browser.Close(); err != nil {63		return fmt.Errorf("failed to close the browser: %w", err)64	}65	return nil66}67// Authority checks if the web provider is responsible to process the entry.68func (w Web) Authority(uri string) bool {69	return w.regex.Match([]byte(uri))70}71// Valid check if the link is valid.72func (w Web) Valid(ctx context.Context, _, uri string) (bool, error) {73	req, err := http.NewRequestWithContext(ctx, http.MethodGet, uri, nil)74	if err != nil {75		return false, fmt.Errorf("fail to create the HTTP request: %w", err)76	}77	w.configRequest(req)78	resp, err := w.client.Do(req)79	if err != nil {80		return false, nil81	}82	defer resp.Body.Close()83	endpoint, err := url.Parse(uri)84	if err != nil {85		return false, fmt.Errorf("fail to parse uri: %w", err)86	}87	isValid := ((resp.StatusCode >= 200) && (resp.StatusCode < 300))88	if !isValid {89		return false, nil90	}91	validAnchor, err := w.validAnchor(resp.Body, endpoint.Fragment)92	if err != nil {93		return false, fmt.Errorf("fail to verify the anchor: %w", err)94	}95	if validAnchor {96		return true, nil97	}98	validAnchor, err = w.validAnchorBrowser(ctx, uri, endpoint.Fragment)99	if err != nil {100		return false, fmt.Errorf("fail to verify the anchor with a browser: %w", err)101	}102	return validAnchor, nil103}104func (w Web) validAnchor(body io.Reader, anchor string) (bool, error) {105	if anchor == "" {106		return true, nil107	}108	anchor = fmt.Sprintf("#%s", anchor)109	doc, err := goquery.NewDocumentFromReader(body)110	if err != nil {111		return false, fmt.Errorf("failt o parse the response: %w", err)112	}113	var found bool114	doc.Find("a").Each(func(_ int, selection *goquery.Selection) {115		if found {116			return117		}118		href, ok := selection.Attr("href")119		if !ok {120			return121		}122		found = (href == anchor)123	})124	return found, nil125}126func (w *Web) initRegex() error {127	expr := `^(http|https):\/\/`128	regex, err := regexp.Compile(expr)129	if err != nil {130		return fmt.Errorf("fail to compile the expression '%s': %w", expr, err)131	}132	w.regex = *regex133	return nil134}135func (w *Web) initRegexConfig() error {136	w.regexConfigOverwrite = make([]webConfigRegex, 0, len(w.regexConfigOverwrite))137	for key := range w.ConfigOverwrite {138		regex, err := regexp.Compile(key)139		if err != nil {140			return fmt.Errorf("fail to compile the expression '%s': %w", key, err)141		}142		w.regexConfigOverwrite = append(w.regexConfigOverwrite, webConfigRegex{key: key, expression: *regex})143	}144	return nil145}146func (w *Web) initHTTP() {147	w.client = &http.Client{148		Transport: webClientTransport{client: http.DefaultClient},149		CheckRedirect: func(req *http.Request, via []*http.Request) error {150			switch req.Response.StatusCode {151			case http.StatusPermanentRedirect, http.StatusMovedPermanently:152				return nil153			default:154				return errors.New("redirect not allowed")155			}156		},157	}158}159func (w *Web) initBrowser() error {160	webBrowserMutex.Lock()161	defer webBrowserMutex.Unlock()162	launcherURL, err := launcher.New().Headless(true).Launch()163	if err != nil {164		return fmt.Errorf("failed to launch the browser: %w", err)165	}166	w.browser = rod.New().ControlURL(launcherURL)167	if err = w.browser.Connect(); err != nil {168		return fmt.Errorf("failed to connect to the browser: %w", err)169	}170	return nil171}172func (w Web) validAnchorBrowser(ctx context.Context, endpoint string, anchor string) (_ bool, err error) {173	webBrowserMutex.Lock()174	defer webBrowserMutex.Unlock()175	pctx, pctxCancel := context.WithCancel(ctx)176	defer pctxCancel()177	page, err := w.browser.Page(proto.TargetCreateTarget{})178	if err != nil {179		return false, fmt.Errorf("failed to create the browser page: %w", err)180	}181	defer func() {182		if perr := page.Close(); perr != nil {183			err = fmt.Errorf("failed to close the browser tab: %w", perr)184		}185	}()186	if _, err = page.Context(pctx).SetExtraHeaders(w.genHeaders(endpoint)); err != nil {187		return false, fmt.Errorf("failed to set the headers at the browser page: %w", err)188	}189	if err := page.Navigate(endpoint); err != nil {190		return false, fmt.Errorf("failed to navigate to the page: %w", err)191	}192	if err := page.WaitLoad(); err != nil {193		return false, fmt.Errorf("failed to wait for the page to load: %w", err)194	}195	result, err := page.Eval("", "document.documentElement.innerHTML", nil)196	if err != nil {197		return false, fmt.Errorf("failed to execute the javascript at the page: %w", err)198	}199	return w.validAnchor(bytes.NewBufferString(result.Value.String()), anchor)200}201func (w Web) configRequest(r *http.Request) {202	setHeader := func(header http.Header) {203		for key, values := range header {204			for _, value := range values {205				r.Header.Set(key, value)206			}207		}208	}209	setHeader(w.Config.Header)210	endpoint := r.URL.String()211	for _, cfg := range w.regexConfigOverwrite {212		if cfg.expression.Match([]byte(endpoint)) {213			setHeader(w.ConfigOverwrite[cfg.key].Header)214			return215		}216	}217}218func (w Web) genHeaders(endpoint string) []string {219	header := make(http.Header)220	setHeader := func(source http.Header) {221		for key, values := range source {222			for _, value := range values {223				header.Set(key, value)224			}225		}226	}227	setHeader(w.Config.Header)228	for _, cfg := range w.regexConfigOverwrite {229		if cfg.expression.MatchString(endpoint) {230			setHeader(w.ConfigOverwrite[cfg.key].Header)231			break232		}233	}234	results := make([]string, 0, len(header)*2)235	for key := range header {236		results = append(results, key, header.Get(key))237	}238	return results239}...

testing.go

Source:testing.go

...90func injectData(ctx *rod.Hijack) {91	log.Println("Start: Intercept and modifying POST with data")92	//ctx.MustLoadResponse()93	body := "Injected response"94	ctx.Response.SetBody(body).SetHeader(95		"Access-Control-Allow-Origin", siteURL,96		"Access-Control-Expose-Headers", "Link",97		"Cache-Control", "public, max-age=60",98		"Content-Length", strconv.Itoa(len(body)),99		"Content-Type", "application/text",100		//"Date", "Mon, 16 May 2022 20:53:07 GMT",101		"Vary", "Origin",102	)103	log.Println("End: Intercept and modifying POST with data")104	//ctx.Response.Fail(proto.NetworkErrorReasonAddressUnreachable)105}106func injectEmpty(ctx *rod.Hijack) {107	log.Println("Start: Intercept and modifying POST with empty BODY")108	//ctx.MustLoadResponse()109	ctx.Response.SetBody([]byte{}).SetHeader(110		"Access-Control-Allow-Origin", siteURL,111		"Access-Control-Expose-Headers", "Link",112		"Cache-Control", "public, max-age=60",113		"Content-Length", "0",114		"Content-Type", "application/text",115		//"Date", "Mon, 16 May 2022 20:53:07 GMT",116		"Vary", "Origin",117	)118	log.Println("End: Intercept and modifying POST with empty BODY")119	//ctx.Response.Fail(proto.NetworkErrorReasonAddressUnreachable)120}...

SetHeader

Using AI Code Generation

1import "fmt"2type rod struct {3}4func (r *rod) SetHeader(length, diameter int) {5}6func main() {7r := &rod{}8r.SetHeader(10, 20)9fmt.Println(r.length, r.diameter)10}11import "fmt"12type rod struct {13}14func (r *rod) SetHeader(length, diameter int) {15}16func main() {17r := &rod{}18r.SetHeader(10, 20)19fmt.Println(r.length, r.diameter)20}

SetHeader

Using AI Code Generation

1import (2func main() {3	browser := rod.New().ControlURL(launcher.New().MustLaunch()).MustConnect()4	page := browser.MustPage("")5	page.MustSetHeader("User-Agent", "Rod")6	page.MustReload()7	page.MustWaitLoad()8	title := page.MustTitle()9	println(title)10}11import (12func main() {13	browser := rod.New().ControlURL(launcher.New().MustLaunch()).MustConnect()14	page := browser.MustPage("")15	page.MustSetExtraHeaders(map[string]string{16	})17	page.MustReload()18	page.MustWaitLoad()19	title := page.MustTitle()20	println(title)21}22import (23func main() {24	browser := rod.New().ControlURL(launcher.New().MustLaunch()).MustConnect()25	page := browser.MustPage("")26	page.MustSetExtraHeaders(map[string]string{27	})28	page.MustReload()29	page.MustWaitLoad()

SetHeader

Using AI Code Generation

1import (2func main() {3        Devtools(false)4    defer l.Cleanup()5    browser := rod.New().ControlURL(l).MustConnect()6    page.MustSetHeader("User-Agent", "Rod")7    fmt.Println(page.MustGetHeader("User-Agent"))8}9import (10func main() {11        Devtools(false)12    defer l.Cleanup()13    browser := rod.New().ControlURL(l).MustConnect()14    page.MustSetExtraHeaders(map[string]interface{}{"User-Agent": "Rod"})15    fmt.Println(page.MustGetHeader("User-Agent"))16}

SetHeader

Using AI Code Generation

1import (2func main() {3	page.SetHeader("X-My-Header", "My-Value")4	fmt.Println(page.MustElement("pre").MustText())5}6{7  "headers": {8  }9}10page.SetHeaders(map[string]string)11import (12func main() {13	page.SetHeaders(map[string]string{14	})15	fmt.Println(page.MustElement("pre").MustText())16}17{18  "headers": {19  }20}

SetHeader

Using AI Code Generation

1import (2func main() {3    rod := &z01.Rod{}4    rod.SetHeader("Rodrigo")5    fmt.Println(rod.Header)6}7import (8func main() {9    rod := &z01.Rod{}10    rod.SetHeader("Rodrigo")11    fmt.Println(rod.Header)12    rod.SetHeader("Rodrigo Diez")13    fmt.Println(rod.Header)14}15import (16func main() {17    rod := &z01.Rod{}18    rod.SetHeader("Rodrigo")19    fmt.Println(rod.Header)20    rod.SetHeader("Rodrigo Diez")21    fmt.Println(rod.Header)22    rod.SetHeader("Rodrigo Diez Gutierrez")23    fmt.Println(rod.Header)24}25import (26func main() {27    rod := &z01.Rod{}28    rod.SetHeader("Rodrigo")29    fmt.Println(rod.Header)30    rod.SetHeader("Rodrigo Diez")31    fmt.Println(rod.Header)32    rod.SetHeader("Rodrigo Diez Gutierrez")33    fmt.Println(rod.Header)34    rod.SetHeader("Rodrigo Diez Gutierrez 01")35    fmt.Println(rod.Header)36}37import (38func main() {39    rod := &z01.Rod{}40    rod.SetHeader("Rodrigo")41    fmt.Println(rod.Header)42    rod.SetHeader("Rodrigo Diez")43    fmt.Println(rod.Header)44    rod.SetHeader("Rodrigo Diez Gutierrez")45    fmt.Println(rod.Header)46    rod.SetHeader("Rodrigo

SetHeader

Using AI Code Generation

1import "fmt"2func main() {3    rod.SetHeader()4    fmt.Println("rod length:", rod.length)5    fmt.Println("rod diameter:", rod.diameter)6    fmt.Println("rod weight:", rod.weight)7}

SetHeader

Using AI Code Generation

1import (2func main() {3	browser := rod.New().ControlURL(launcher.New().MustLaunch()).MustConnect()4	page.MustSetHeader("X-My-Header", "1")5	fmt.Println(page.MustGetHeader("X-My-Header"))6}

SetHeader

Using AI Code Generation

1import (2func main() {3 browser := rod.New().Connect()4 page.SetHeader("User-Agent", "Rod")5 fmt.Println(page)6}

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