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anonymous_login.go
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/
anonymous_login.go
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package kiosk
import (
"context"
"log"
"os"
"time"
"github.com/chromedp/chromedp"
)
// GrafanaKioskAnonymous creates a chrome-based kiosk using a local grafana-server account.
func GrafanaKioskAnonymous(cfg *Config, messages chan string) {
dir, err := os.MkdirTemp(os.TempDir(), "chromedp-kiosk")
if err != nil {
panic(err)
}
log.Println("Using temp dir:", dir)
defer os.RemoveAll(dir)
opts := generateExecutorOptions(dir, cfg)
allocCtx, cancel := chromedp.NewExecAllocator(context.Background(), opts...)
defer cancel()
// also set up a custom logger
taskCtx, cancel := chromedp.NewContext(allocCtx, chromedp.WithLogf(log.Printf))
defer cancel()
listenChromeEvents(taskCtx, consoleAPICall|targetCrashed)
// ensure that the browser process is started
if err := chromedp.Run(taskCtx); err != nil {
panic(err)
}
// Give browser time to load next page (this can be prone to failure, explore different options vs sleeping)
time.Sleep(2000 * time.Millisecond)
var generatedURL = GenerateURL(cfg.Target.URL, cfg.General.Mode, cfg.General.AutoFit, cfg.Target.IsPlayList)
log.Println("Navigating to ", generatedURL)
/*
Launch chrome and look for main-view element
*/
if err := chromedp.Run(taskCtx,
chromedp.Navigate(generatedURL),
chromedp.WaitVisible(`//div[@class="main-view"]`, chromedp.BySearch),
); err != nil {
panic(err)
}
// blocking wait
for {
messageFromChrome := <-messages
if err := chromedp.Run(taskCtx,
chromedp.Navigate(generatedURL),
); err != nil {
panic(err)
}
log.Println("Chromium output:", messageFromChrome)
}
}