How to use Resource method of rod Package

Best Rod code snippet using rod.Resource

renderman.go

Source:renderman.go

...13	"github.com/labstack/echo/v4"14	"github.com/labstack/echo/v4/middleware"15	"github.com/sirupsen/logrus"16)17var skippedResource = []string{18	"googletagmanager",19	"google-analytics",20	"facebook",21	"twitter",22	"service-worker",23}24var skippedResourceType = map[proto.NetworkResourceType]interface{}{25	proto.NetworkResourceTypeFont:  nil,26	proto.NetworkResourceTypeImage: nil,27	proto.NetworkResourceTypeMedia: nil,28}29var xhrAllowRequests = map[proto.NetworkResourceType]interface{}{30	proto.NetworkResourceTypePreflight: nil,31	proto.NetworkResourceTypeXHR:       nil,32	proto.NetworkResourceTypeFetch:     nil,33}34// Remote ...35type Renderman struct {36	*sync.RWMutex37	browser    *rod.Browser38	remoteUrl  string39	backendURL string40}41func newRenderman(backendUrl, remoteUrl string) *Renderman {42	renderman := &Renderman{backendURL: backendUrl, remoteUrl: remoteUrl, RWMutex: &sync.RWMutex{}}43	renderman.InitBrowser()44	return renderman45}46func (renderman *Renderman) GetBrowser() *rod.Browser {47	renderman.RLock()48	defer renderman.RUnlock()49	return renderman.browser50}51func (renderman *Renderman) InitBrowser() {52	renderman.Lock()53	defer renderman.Unlock()54	var l *launcher.Launcher55	if renderman.remoteUrl == "" {56		path, _ := launcher.LookPath()57		logrus.Info("chrome path :", path)58		l = launcher.New().Bin(path)59		l.Set("disable-web-security")60		l.Set("no-sandbox")61		l.Set("disable-setuid-sandbox")62		l.Set("disable-dev-shm-usage")63		l.Set("disable-accelerated-2d-canvas")64		l.Set("disable-gpu")65		l.Set("disable-notifications")66		l.Set("rod-keep-user-data-dir")67		// renderman.browser = rod.New().ControlURL(l.MustLaunch()).MustConnect()68	} else {69		// u := launcher.MustResolveURL(renderman.remoteUrl)70		l = launcher.MustNewManaged(renderman.remoteUrl)71	}72	renderman.browser = rod.New().ControlURL(l.MustLaunch()).MustConnect()73}74func (renderman *Renderman) CloseBrowser() {75	renderman.Lock()76	defer renderman.Unlock()77	renderman.browser.Close()78}79// Proxy is for serve as proxy80func (renderman *Renderman) Proxy(c echo.Context) {81	uri, err := url.Parse(renderman.backendURL)82	if err != nil {83		logrus.Error("unable parse url ", err)84	}85	config := middleware.ProxyConfig{86		Skipper:    middleware.DefaultSkipper,87		ContextKey: "target",88	}89	proxy := httputil.NewSingleHostReverseProxy(uri)90	proxy.ErrorHandler = func(resp http.ResponseWriter, req *http.Request, err error) {91		desc := uri.String()92		c.Set("_error", echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("remote %s unreachable, could not forward: %v", desc, err)))93		logrus.Error(err)94	}95	proxy.Transport = config.Transport96	proxy.ModifyResponse = config.ModifyResponse97	req := c.Request()98	res := c.Response()99	req.URL.Host = uri.Host100	req.URL.Scheme = uri.Scheme101	req.Header.Set("X-Forwarded-Host", req.Header.Get("Host"))102	req.Host = uri.Host103	if req.Header.Get(echo.HeaderXRealIP) == "" || c.Echo().IPExtractor != nil {104		req.Header.Set(echo.HeaderXRealIP, c.RealIP())105	}106	if req.Header.Get(echo.HeaderXForwardedProto) == "" {107		req.Header.Set(echo.HeaderXForwardedProto, c.Scheme())108	}109	proxy.ServeHTTP(res, req)110}111func (renderman *Renderman) FetchHeadless(url string) (Content, error) {112	browser := renderman.GetBrowser()113	page, err := browser.Page(proto.TargetCreateTarget{URL: ""})114	if err != nil {115		renderman.InitBrowser()116		return Content{}, err117	}118	router := page.HijackRequests()119	router.MustAdd("*", func(ctx *rod.Hijack) {120		// skip unused fetch request121		for _, skip := range skippedResource {122			if strings.Contains(fmt.Sprint(ctx.Request.URL()), skip) {123				logrus.WithFields(logrus.Fields{"type": "resource", "policies": "blocked"}).Info(ctx.Request.URL())124				ctx.Response.Fail(proto.NetworkErrorReasonBlockedByClient)125				return126			}127		}128		// Ensure xhr request is loaded129		if _, ok := xhrAllowRequests[ctx.Request.Type()]; ok {130			log := logrus.WithFields(logrus.Fields{"type": strings.ToLower(fmt.Sprint(ctx.Request.Type())), "policies": "allow"})131			log.Info(ctx.Request.Method(), " ", ctx.Request.URL())132			ctx.MustLoadResponse()133			// if err := ctx.LoadResponse(http.DefaultClient, true); err != nil {134			// 	log.Info("complete")135			// } else {136			// 	log.Errorf("failed %s", err.Error())137			// }138			// ctx.ContinueRequest(&proto.FetchContinueRequest{})139		}140		// skip asset resouce image and font141		if _, ok := skippedResourceType[ctx.Request.Type()]; ok {142			logrus.WithFields(logrus.Fields{"type": strings.ToLower(fmt.Sprint(ctx.Request.Type())), "policies": "blocked"}).Info(ctx.Request.URL())143			ctx.Response.Fail(proto.NetworkErrorReasonBlockedByClient)144			return145		}146		ctx.ContinueRequest(&proto.FetchContinueRequest{})147	})148	go router.Run()149	// wait := page.MustWaitNavigation() // wait until network is almost idle150	// wait := page.MustWaitRequestIdle()151	wait := page.WaitRequestIdle(1*time.Second, nil, []string{})152	if err := page.Navigate(url); err != nil {153		renderman.CloseBrowser()154		renderman.InitBrowser()155		logrus.Error("unable to navigate page ", err)...

rod.go

Source:rod.go

...68		page := browser.MustPage()69		// Block loading any resources we don't need in headless70		// https://go-rod.github.io/#/network?id=blocking-certain-resources-from-loading71		router := page.HijackRequests()72		resources := []proto.NetworkResourceType{73			proto.NetworkResourceTypeFont,74			proto.NetworkResourceTypeImage,75			proto.NetworkResourceTypeMedia,76			proto.NetworkResourceTypeStylesheet,77			proto.NetworkResourceTypeWebSocket, // we don't need websockets to fetch html78		}79		router.MustAdd("*", func(ctx *rod.Hijack) {80			if slice.Contains(resources, ctx.Request.Type()) {81				ctx.Response.Fail(proto.NetworkErrorReasonBlockedByClient)82				return83			}84			ctx.ContinueRequest(&proto.FetchContinueRequest{})85		})86		go router.Run()87		// go to the url88		page.Timeout(navigateTimeout).MustNavigate(url)89		// follow any redirects90		// https://github.com/go-rod/rod/issues/640#issuecomment-117194137491		waitNavigation := page.Timeout(navigationTimeout).MustWaitNavigation()...

crawler.go

Source:crawler.go

...10)11//go:embed inject/filler.js12var FillerScript string13type Request struct {14	Type     p.NetworkResourceType `json:"type"`15	Method   string                `json:"method"`16	URL      string                `json:"url"`17	PostData string                `json:"data,omitempty"`18}19func NewRequest(url string) *Request {20	return &Request{21		Method: "GET",22		URL:    config.target.String(),23		Type:   p.NetworkResourceTypeDocument,24	}25}26func (r *Request) continueRequest(id p.FetchRequestID) p.FetchContinueRequest {27	return p.FetchContinueRequest{28		RequestID: id,29		URL:       r.URL,30		Method:    r.Method,31		PostData:  []byte(r.PostData),32	}33}34type Analyzer interface {35	Analyze(page *rod.Page, url string)36}37type Crawler struct {38	browser   *rod.Browser39	allow     []string40	limit     chan struct{}41	wg        sync.WaitGroup42	replays   sync.Map43	documents sync.Map44	blocked   sync.Map45}46func NewCrawler(browser *rod.Browser, limit int) *Crawler {47	go p.BrowserSetDownloadBehavior{Behavior: p.BrowserSetDownloadBehaviorBehaviorDeny}.Call(browser)48	crawler := &Crawler{49		browser: browser,50		limit:   make(chan struct{}, limit),51	}52	go browser.EachEvent(func(e *p.FetchRequestPaused) {53		id := e.RequestID54		req := Request{55			Type:     e.ResourceType,56			URL:      e.Request.URL,57			Method:   e.Request.Method,58			PostData: e.Request.PostData,59		}60		if e.ResourceType != p.NetworkResourceTypeDocument {61			go p.FetchContinueRequest{RequestID: id}.Call(browser)62		} else if replay, ok := crawler.replay(e.FrameID); ok {63			go replay.continueRequest(id).Call(browser)64			log.Println("[INFO] ", "Replay | Frame:", string(e.FrameID)[:6], replay)65			return66		} else {67			go p.FetchFailRequest{RequestID: id, ErrorReason: p.NetworkErrorReasonAborted}.Call(browser)68			crawler.Feed(&req)69		}70	})()71	return crawler72}73func (c *Crawler) Wait() {74	c.wg.Wait()...

Resource

Using AI Code Generation

1import (2func main() {3    r := rod.New().MustConnect()4    defer r.MustClose()5    page.MustElement("input[name=q]").MustInput("rod")6    page.MustElement("input[name=btnK]").MustClick()7    page.MustWaitLoad()8}

Resource

Using AI Code Generation

1import (2func main() {3    browser := rod.New().MustConnect()4    page := browser.MustPage("")5}6import (7func main() {8    browser := rod.New().MustConnect()9    page := browser.MustPage("")10    fmt.Println(page.MustResources())11}12import (13func main() {14    browser := rod.New().MustConnect()15    page := browser.MustPage("")16    page.MustSetExtra(map[string]interface{}{17    })18}19import (20func main() {21    browser := rod.New().MustConnect()22    page := browser.MustPage("")23    page.MustSetOffline(true)24}25import (26func main() {27    browser := rod.New().MustConnect()28    page := browser.MustPage("")29    page.MustSetUserAgent("foo")30}31import (32func main() {33    browser := rod.New().MustConnect()34    page := browser.MustPage("")35    fmt.Println(page.MustTitle())36}37import (

Resource

Using AI Code Generation

1import (2func main() {3    page.Element("input[name=q]").Input("rod")4    page.Keyboard.Press("Enter")5    page.WaitLoad()6    fmt.Println(page.Resource())7}8import (9func main() {10    page.Element("input[name=q]").Input("rod")11    page.Keyboard.Press("Enter")12    page.WaitLoad()13    fmt.Println(page.Title())14}15import (16func main() {17    page.Element("input[name=q]").Input("rod")18    page.Keyboard.Press("Enter")19    page.WaitLoad()20    fmt.Println(page.URL())21}22import (23func main() {24    page.Element("input[name=q]").Input("rod")25    page.Keyboard.Press("Enter")26    page.WaitLoad()27    fmt.Println(page.Resource())28}29import (30func main() {31    page.Element("input[name=q]").Input("rod")32    page.Keyboard.Press("Enter")33    page.WaitRequestIdle()34    fmt.Println(page.Resource())35}

Resource

Using AI Code Generation

1import (2func main() {3	browser := rod.New().Connect()4	title := page.Title()5	fmt.Println(title)6	browser.Close()7}8import (9func main() {10	browser := rod.New().Connect()11	title := page.Title()12	fmt.Println(title)13	resource := page.Resource()14	fmt.Println(resource)15	browser.Close()16}17import (18func main() {19	browser := rod.New().Connect()20	title := page.Title()21	fmt.Println(title)22	resource := page.Resource()23	fmt.Println(resource)24	resource := page.Resource()25	fmt.Println(resource)26	browser.Close()27}28import (29func main() {30	browser := rod.New().Connect()31	title := page.Title()32	fmt.Println(title)33	resource := page.Resource()

Resource

Using AI Code Generation

1import (2func main() {3 b := rod.New().Connect()4 title := p.Element("title").Text()5 fmt.Println(title)6}

Resource

Using AI Code Generation

1import (2func main() {3	browser := rod.New().Timeout(30 * time.Second).Connect()4	page := browser.Page(url)5	fmt.Println(page)6}7import (8func main() {9	browser := rod.New().Timeout(30 * time.Second).Connect()10	page := browser.Page(url)11	page.Element("table").Text()12	fmt.Println(page)13}14error: cannot use "table" (type string) as type *rod.Element in argument to page.Element15import (16func main() {17	browser := rod.New().Timeout(30 * time.Second).Connect()18	page := browser.Page(url)19	page.Element("table").Text()20	fmt.Println(page)21}22error: cannot use "table" (type string) as type *rod.Element in argument to page.Element23import (24func main() {25	browser := rod.New().Timeout

Resource

Using AI Code Generation

1import "fmt"2func main() {3    r := rod.Resource{1}4    r.Use()5    fmt.Println(r)6}7import "fmt"8func main() {9    r := rod.Resource{1}10    r.Use()11    fmt.Println(r)12}13import "fmt"14func main() {15    r := rod.Resource{1}16    r.Use()17    fmt.Println(r)18}19import "fmt"20func main() {21    r := rod.Resource{1}22    r.Use()23    fmt.Println(r)24}25import "fmt"26func main() {27    r := rod.Resource{1}28    r.Use()29    fmt.Println(r)30}31import "fmt"32func main() {33    r := rod.Resource{1}34    r.Use()35    fmt.Println(r)36}37import "fmt"38func main() {39    r := rod.Resource{1}40    r.Use()41    fmt.Println(r)42}43import "fmt"44func main() {45    r := rod.Resource{1}46    r.Use()47    fmt.Println(r)48}49import "fmt"50func main() {51    r := rod.Resource{1}52    r.Use()53    fmt.Println(r)54}55import "fmt"56func main() {57    r := rod.Resource{1}58    r.Use()59    fmt.Println(r)60}61import "fmt"62func main() {63    r := rod.Resource{1}64    r.Use()65    fmt.Println(r)66}

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