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ferret/pkg/browser/launcher.go
2018-09-18 16:42:38 -04:00

121 lines
2.6 KiB
Go

package browser
import (
"github.com/pkg/errors"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"runtime"
)
func Launch(setters ...Option) (*Browser, error) {
opts := &Options{
headless: false,
debuggingAddress: "0.0.0.0",
debuggingPort: 9222,
}
for _, setter := range setters {
setter(opts)
}
var flags Flags
if !opts.ignoreDefaultArgs {
flags = DefaultFlags()
} else {
flags = Flags{}
}
flags.Set("remote-debugging-port", opts.debuggingPort)
if opts.devtools {
flags.SetN("auto-open-devtools-for-tabs")
}
if opts.headless {
flags.SetN("headless")
flags.SetN("hide-scrollbars")
flags.SetN("mute-audio")
}
if runtime.GOOS == "windows" {
flags.SetN("disable-gpu")
}
temporaryUserDataDir := opts.userDataDir
if temporaryUserDataDir == "" && opts.noUserDataDir == false {
dirName, err := ioutil.TempDir(os.TempDir(), "ferret_dev_profile-")
if err != nil {
return nil, err
}
temporaryUserDataDir = dirName
}
workDir := filepath.Join(os.TempDir(), "ferret-chrome")
err := os.MkdirAll(workDir, 0700)
if err != nil {
return nil, errors.Errorf("cannot create working directory '%s'", workDir)
}
if temporaryUserDataDir != "" {
flags.Set("user-data-dir", temporaryUserDataDir)
}
chromeExecutable := opts.executablePath
if chromeExecutable == "" {
chromeExecutable = resolveExecutablePath()
if chromeExecutable == "" {
return nil, errors.New("Chrome not found")
}
}
cmd := exec.Command(chromeExecutable, flags.List()...)
cmd.Dir = workDir
err = cmd.Start()
if err != nil {
return nil, err
}
if opts.dumpio {
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
}
return &Browser{cmd, flags}, nil
}
func DefaultFlags() Flags {
return Flags{
"disable-background-networking": nil,
"disable-background-timer-throttling": nil,
"disable-breakpad": nil,
"disable-client-side-phishing-detection": nil,
"disable-default-apps": nil,
"disable-dev-shm-usage": nil,
"disable-extensions": nil,
"disable-features=site-per-process": nil,
"disable-hang-monitor": nil,
"disable-popup-blocking": nil,
"disable-prompt-on-repost": nil,
"disable-sync": nil,
"disable-translate": nil,
"metrics-recording-only": nil,
"no-first-run": nil,
"safebrowsing-disable-auto-update": nil,
"enable-automation": nil,
"password-store=basic": nil,
"use-mock-keychain": nil,
}
}