/
console.go
164 lines (149 loc) · 4.29 KB
/
console.go
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package main
import (
"encoding/json"
"fmt"
"github.com/AdRoll/hologram/log"
"github.com/spf13/cobra"
"io"
"net/http"
"net/url"
"os"
"os/exec"
"runtime"
"time"
)
func init() {
consoleCmd.Flags().Bool("new-session", false, "Start a new Google Chrome session. This allows use of multiple roles simultaneously.")
consoleCmd.Flags().Bool("show-url", false, "Show the federation URL used for sign-in.")
consoleCmd.Flags().Bool("no-launch", false, "Don't launch the browser.")
rootCmd.AddCommand(consoleCmd)
}
var consoleCmd = &cobra.Command{
Use: "console",
Short: "Open the AWS console in the default browser",
Run: func(cmd *cobra.Command, args []string) {
newSession, err := cmd.Flags().GetBool("new-session")
showUrl, err := cmd.Flags().GetBool("show-url")
noLaunch, err := cmd.Flags().GetBool("no-launch")
if err == nil {
err = launchConsole(newSession, showUrl, noLaunch)
}
if err != nil {
log.Errorf("%s", err)
os.Exit(1)
}
},
}
type HttpHologramCredentials struct {
Code string
LastUpdated string
Type string
AccessKeyId string
SecretAccessKey string
Token string
Expiration string
}
type HttpAwsCredentials struct {
SessionId string `json:"sessionId"`
SessionKey string `json:"sessionKey"`
SessionToken string `json:"sessionToken"`
}
type HttpFederationSigninToken struct {
SigninToken string
}
func launchConsole(newSession bool, showUrl bool, noLaunch bool) error {
federationUrlBase := "https://signin.aws.amazon.com/federation"
profileUrl := "http://169.254.169.254/latest/meta-data/iam/security-credentials/"
awsConsoleUrl := "https://console.aws.amazon.com/"
// Get the profile name from the metadata service
response, err := http.Get(profileUrl)
defer response.Body.Close()
if err != nil {
return err
}
profileBytes, err := io.ReadAll(response.Body)
if err != nil {
return err
}
profile := string(profileBytes)
// Get the credentials from the metadata service
metadataUrl := fmt.Sprintf("%v%v", profileUrl, profile)
response, err = http.Get(metadataUrl)
defer response.Body.Close()
if err != nil {
return err
}
if response.StatusCode != 200 {
return fmt.Errorf("error getting credentials. Try running 'hologram me'")
}
metadataBytes, err := io.ReadAll(response.Body)
if err != nil {
return err
}
credentials := HttpHologramCredentials{}
err = json.Unmarshal(metadataBytes, &credentials)
if err != nil {
return err
}
// Get the federation signin token
awsCreds := HttpAwsCredentials{
SessionId: credentials.AccessKeyId,
SessionKey: credentials.SecretAccessKey,
SessionToken: credentials.Token,
}
awsCredsJson, err := json.Marshal(awsCreds)
signinTokenUrl := fmt.Sprintf("%v?Action=getSigninToken&SessionDuration=43200&Session=%v", federationUrlBase, url.QueryEscape(string(awsCredsJson)))
response, err = http.Get(signinTokenUrl)
defer response.Body.Close()
if err != nil {
return err
}
signinToken_bytes, err := io.ReadAll(response.Body)
if err != nil {
return err
}
signinToken := HttpFederationSigninToken{}
err = json.Unmarshal(signinToken_bytes, &signinToken)
if err != nil {
return err
}
// Get the federation login URL
federationUrl := fmt.Sprintf("%v?Action=login&Issuer=Hologram&Destination=%v&SigninToken=%v", federationUrlBase, url.QueryEscape(awsConsoleUrl), signinToken.SigninToken)
// if --show-url is set, print the URL
if showUrl {
fmt.Println(federationUrl)
}
// if --no-launch is set, stop here
if noLaunch {
return nil
}
// Open the URL in the browser
var openArgs []string
switch runtime.GOOS {
case "darwin":
if newSession {
dateSeconds := time.Now().Unix()
userDataDir := fmt.Sprintf("/tmp/hologram_session_%v/", dateSeconds)
err := os.MkdirAll(userDataDir, 0755)
if err != nil {
return err
}
_, err = os.Create(fmt.Sprintf("%v/First Run", userDataDir))
if err != nil {
return err
}
openArgs = append(openArgs, "-na", "Google Chrome", "--args", "--user-data-dir="+userDataDir)
}
openArgs = append(openArgs, federationUrl)
err = exec.Command("open", openArgs...).Run()
case "linux":
if newSession {
fmt.Println("Warning: --new-session is not currently supported on Linux")
}
openArgs = append(openArgs, federationUrl)
err = exec.Command("xdg-open", openArgs...).Run()
default:
return fmt.Errorf("unsupported OS: %v", runtime.GOOS)
}
return err
}