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* Allow IAP auth through idtoken from service account * Refactor ExecAllocatorOption setup into a utility function to fix duplication warning. Also allow self signed certificate for all login methods Co-authored-by: Brian Gann <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| package kiosk | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
||
| "fmt" | ||
| "io/ioutil" | ||
| "log" | ||
| "os" | ||
|
|
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| "github.com/chromedp/cdproto/cdp" | ||
| "github.com/chromedp/cdproto/fetch" | ||
|
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| "github.com/chromedp/chromedp" | ||
|
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| "google.golang.org/api/idtoken" | ||
| ) | ||
|
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| // GrafanaKioskGenericOauth creates a chrome-based kiosk using a oauth2 authenticated account | ||
| func GrafanaKioskIdToken(cfg *Config) { | ||
| dir, err := ioutil.TempDir("", "chromedp-example") | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| defer os.RemoveAll(dir) | ||
|
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| opts := generateExecutorOptions(dir, cfg.General.WindowPosition, cfg.Target.IgnoreCertificateErrors) | ||
|
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| allocCtx, cancel := chromedp.NewExecAllocator(context.Background(), opts...) | ||
| defer cancel() | ||
|
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| // also set up a custom logger | ||
| taskCtx, cancel := chromedp.NewContext(allocCtx, chromedp.WithLogf(log.Printf)) | ||
| defer cancel() | ||
|
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| listenChromeEvents(taskCtx, targetCrashed) | ||
|
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| // ensure that the browser process is started | ||
| if err := chromedp.Run(taskCtx); err != nil { | ||
| panic(err) | ||
| } | ||
|
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| var generatedURL = GenerateURL(cfg.Target.URL, cfg.General.Mode, cfg.General.AutoFit, cfg.Target.IsPlayList) | ||
| log.Println("Navigating to ", generatedURL) | ||
|
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| log.Printf("Token is using audience %s and reading from %s\n",cfg.IDTOKEN.Audience, cfg.IDTOKEN.KeyFile) | ||
| ts, err := idtoken.NewTokenSource(context.Background(), cfg.IDTOKEN.Audience, idtoken.WithCredentialsFile(cfg.IDTOKEN.KeyFile)) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
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| chromedp.ListenTarget(taskCtx, func(ev interface{}) { | ||
| switch ev := ev.(type) { | ||
| case *fetch.EventRequestPaused: | ||
| go func() { | ||
| fetchReq := fetch.ContinueRequest(ev.RequestID) | ||
| for k, v := range ev.Request.Headers { | ||
| fetchReq.Headers = append(fetchReq.Headers, &fetch.HeaderEntry{Name: k, Value: fmt.Sprintf("%v", v)}) | ||
| } | ||
| token, err := ts.Token() | ||
| if err != nil { | ||
| panic(fmt.Errorf("idtoken.NewClient: %v", err)) | ||
| } | ||
| fetchReq.Headers = append(fetchReq.Headers, &fetch.HeaderEntry{Name: "Authorization", Value: "Bearer " + token.AccessToken}) | ||
| fetchReq.Do(GetExecutor(taskCtx)) | ||
| }() | ||
| } | ||
| }) | ||
|
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| if err := chromedp.Run(taskCtx, enableFetch(generatedURL)); err != nil { | ||
| panic(err) | ||
| } | ||
| log.Println("Sleeping 2 seconds before exit.") | ||
| time.Sleep(2 * time.Second) | ||
| log.Println("Exit...") | ||
| } | ||
|
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| func GetExecutor(ctx context.Context) context.Context { | ||
| c := chromedp.FromContext(ctx) | ||
| return cdp.WithExecutor(ctx, c.Target) | ||
| } | ||
|
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|
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| func enableFetch(url string) chromedp.Tasks { | ||
| return chromedp.Tasks{ | ||
| fetch.Enable(), | ||
| chromedp.Navigate(url), | ||
| chromedp.WaitVisible("notinputPassword", chromedp.ByID), | ||
| } | ||
| } |
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