/
vip.go
221 lines (192 loc) · 5.44 KB
/
vip.go
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package vip
import (
"bufio"
"encoding/json"
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"os"
"strconv"
"strings"
"time"
"github.com/Symantec/Dominator/lib/log"
"github.com/Symantec/keymaster/lib/webapi/v0/proto"
)
const vipCheckTimeoutSecs = 180
func startVIPPush(client *http.Client,
baseURL string,
userAgentString string,
logger log.DebugLogger) error {
VIPPushStartURL := baseURL + "/api/v0/vipPushStart"
req, err := http.NewRequest("GET", VIPPushStartURL, nil)
if err != nil {
return err
}
req.Header.Add("Accept", "application/json")
req.Header.Set("User-Agent", userAgentString)
pushStartResp, err := client.Do(req)
if err != nil {
logger.Printf("got error from pushStart")
logger.Println(err)
return err
}
defer pushStartResp.Body.Close()
// since we dont care about content we just consume it all.
io.Copy(ioutil.Discard, pushStartResp.Body)
if pushStartResp.StatusCode != 200 {
logger.Printf("got error from vipStart call %s", pushStartResp.Status)
err := errors.New("bad vip response code")
return err
}
//at this moment we dont actually return json data... so we can just return here
return nil
}
func checkVIPPollStatus(client *http.Client,
baseURL string,
userAgentString string,
logger log.DebugLogger) (bool, error) {
VIPPollCheckURL := baseURL + "/api/v0/vipPollCheck"
req, err := http.NewRequest("GET", VIPPollCheckURL, nil)
if err != nil {
return false, err
}
req.Header.Add("Accept", "application/json")
req.Header.Set("User-Agent", userAgentString)
pollCheckResp, err := client.Do(req)
if err != nil {
logger.Printf("got error from vipPollCheck")
logger.Println(err)
return false, err
}
defer pollCheckResp.Body.Close()
// we dont care about content (for now) so consume it all
io.Copy(ioutil.Discard, pollCheckResp.Body)
if pollCheckResp.StatusCode != 200 {
if pollCheckResp.StatusCode == 412 {
logger.Debugf(1, "got error from vipPollCheck call %s", pollCheckResp.Status)
return false, nil
}
logger.Printf("got error from vipPollCheck call %s", pollCheckResp.Status)
//err := errors.New("bad vip response code")
return false, nil
}
return true, nil
}
func doVIPPushCheck(client *http.Client,
baseURL string,
userAgentString string,
logger log.DebugLogger,
errorReturnDuration time.Duration) error {
err := startVIPPush(client, baseURL, userAgentString, logger)
if err != nil {
logger.Printf("got error from pushStart, will sleep to allow code to be entered")
logger.Println(err)
time.Sleep(errorReturnDuration)
return err
}
endTime := time.Now().Add(errorReturnDuration)
//initial sleep
for time.Now().Before(endTime) {
ok, err := checkVIPPollStatus(client, baseURL, userAgentString, logger)
if err != nil {
logger.Printf("got error from vipPollCheck, will sleep to allow code to be entered")
logger.Println(err)
time.Sleep(errorReturnDuration)
return err
}
if ok {
logger.Printf("") //To do a CR
return nil
}
time.Sleep(3 * time.Second)
}
err = errors.New("Vip Push Checked timeout out")
return err
}
func VIPAuthenticateWithToken(
client *http.Client,
baseURL string,
userAgentString string,
logger log.DebugLogger) error {
logger.Printf("top of doVIPAuthenticate")
// Read VIP token from client
reader := bufio.NewReader(os.Stdin)
fmt.Print("Enter VIP/OTP code (or wait for VIP push): ")
otpText, err := reader.ReadString('\n')
if err != nil {
logger.Debugf(0, "codeText: Failure to get string %s", err)
return err
}
otpText = strings.TrimSpace(otpText)
//fmt.Println(codeText)
logger.Debugf(1, "codeText: '%s'", otpText)
// TODO: add some client side validation that the codeText is actually a six digit
// integer
VIPLoginURL := baseURL + "/api/v0/vipAuth"
form := url.Values{}
form.Add("OTP", otpText)
//form.Add("password", string(password[:]))
req, err := http.NewRequest("POST", VIPLoginURL, strings.NewReader(form.Encode()))
if err != nil {
return err
}
req.Header.Add("Content-Length", strconv.Itoa(len(form.Encode())))
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
req.Header.Add("Accept", "application/json")
req.Header.Set("User-Agent", userAgentString)
loginResp, err := client.Do(req) //client.Get(targetUrl)
if err != nil {
logger.Printf("got error from req")
logger.Println(err)
// TODO: differentiate between 400 and 500 errors
// is OK to fail.. try next
return err
}
defer loginResp.Body.Close()
if loginResp.StatusCode != 200 {
logger.Printf("got error from login call %s", loginResp.Status)
return err
}
loginJSONResponse := proto.LoginResponse{}
//body := jsonrr.Result().Body
err = json.NewDecoder(loginResp.Body).Decode(&loginJSONResponse)
if err != nil {
return err
}
io.Copy(ioutil.Discard, loginResp.Body)
logger.Debugf(1, "This the login response=%v\n", loginJSONResponse)
return nil
}
func doVIPAuthenticate(
client *http.Client,
baseURL string,
userAgentString string,
logger log.DebugLogger) error {
timeout := time.Duration(time.Duration(vipCheckTimeoutSecs) * time.Second)
ch := make(chan error, 1)
go func() {
err := VIPAuthenticateWithToken(client, baseURL, userAgentString, logger)
ch <- err
}()
go func() {
err := doVIPPushCheck(client, baseURL,
userAgentString,
logger, timeout)
ch <- err
}()
select {
case err := <-ch:
if err != nil {
logger.Printf("Problem with vip ='%s'", err)
return err
}
return nil
case <-time.After(timeout):
err := errors.New("vip timeout")
return err
}
return nil
}