chromedp와 함께 Go SDK 사용하기

// go get github.com/chromedp/[email protected] (requires Go 1.25+)
package main

import (
    "context"
    "encoding/json"
    "fmt"
    "log"
    "net/url"
    "os"
    "time"
    "github.com/chromedp/cdproto/network"
    "github.com/chromedp/chromedp"
    solvethree "solvethree.com/sdk"
)

func main() { if err := run(); err != nil { log.Fatal(err) } }

func run() error {
    target,err:=url.Parse(os.Getenv("TARGET_URL"));if err!=nil||target.Scheme!="https"||target.Hostname()=="" { return fmt.Errorf("set an HTTPS TARGET_URL") }
    proxy,err:=url.Parse(os.Getenv("SOLVETHREE_PROXY"));if err!=nil||proxy.User!=nil { return fmt.Errorf("use an IP-allowlisted proxy without URL credentials") }
    client,err:=solvethree.NewClient(os.Getenv("SOLVETHREE_API_KEY"),nil);if err!=nil { return err }
    ctx,cancel:=context.WithTimeout(context.Background(),180*time.Second);defer cancel()
    result,err:=client.Solve(ctx,solvethree.TaskRequest{Site:target.Hostname(),Action:"login",Proxy:proxy.String()},solvethree.SolveOptions{})
    if err!=nil { return err }
    options:=append(chromedp.DefaultExecAllocatorOptions[:],chromedp.ProxyServer(proxy.String()),chromedp.UserAgent(result.Solution.UserAgent))
    allocator,closeAllocator:=chromedp.NewExecAllocator(context.Background(),options...);defer closeAllocator()
    browser,closeBrowser:=chromedp.NewContext(allocator);defer closeBrowser()
    browser,stop:=context.WithTimeout(browser,60*time.Second);defer stop()
    tokenJSON,err:=json.Marshal(result.Solution.Token);if err!=nil { return err }
    script:=`(token => {const field=document.querySelector('[name="g-recaptcha-response"]'); field.value=token; field.dispatchEvent(new Event('input',{bubbles:true}));})(`+string(tokenJSON)+`)`
    _,err=chromedp.Call(browser,network.SetExtraHTTPHeaders,network.SetExtraHTTPHeadersParams{Headers:network.Headers{"sec-ch-ua":result.Solution.SecChUA}})
    if err!=nil { return err }
    err=chromedp.Do(browser,
        chromedp.Navigate(target.String()),chromedp.WaitReady(chromedp.CSS(`[name="g-recaptcha-response"]`)),
        chromedp.Evaluate[chromedp.Void](script),chromedp.Click(chromedp.CSS(`button[type="submit"]`)),
        chromedp.WaitVisible(chromedp.ID("success")))
    if err!=nil { return err }
    // #success is this owned demo form's outcome. Adapt its selectors, token
    // parameter and success check to your application, including CSRF/session fields.
    return nil
}