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main.go
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main.go
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package main
import (
"bytes"
"crypto/tls"
"crypto/x509"
enc "encoding/base64"
"encoding/json"
"fmt"
"io"
"log"
"net/http"
"net/url"
"os"
"strings"
"time"
)
// JSON STRUCTS
type secret struct {
Path string `json:"id"`
}
type config struct{
Configuration struct {
Conjur struct {
Account string
}
}
}
type token struct {
Access_token string `json:"access_token"`
Token_type string `json:"token_type"`
Expires_in int `json:"expires_in"`
}
type safeObject struct {
Retention int `json:"numberOfDaysRetention"`
Safe string `json:"safeName"`
Desc string `json:"description"`
}
type safeperm struct {
ManageSafe bool `json:"manageSafe"`
ManageSafeMembers bool `json:"manageSafeMembers"`
ViewSafeMembers bool `json:"viewSafeMembers"`
ViewAuditLog bool `json:"viewAuditLog"`
UseAccounts bool `json:"useAccounts"`
RetrieveAccounts bool `json:"retrieveAccounts"`
ListAccounts bool `json:"listAccounts"`
AddAccounts bool `json:"addAccounts"`
UpdateAccountContent bool `json:"updateAccountContent"`
UpdateAccountProperties bool `json:"updateAccountProperties"`
RenameAccounts bool `json:"renameAccounts"`
DeleteAccounts bool `json:"deleteAccounts"`
UnlockAccounts bool `json:"unlockAccounts"`
}
type credential struct {
Safe string `json:"safeName"`
User string `json:"userName"`
Pass string `json:"secret"`
Address string `json:"address"`
Platform string `json:"platformId"`
FriendlyName string `json:"name"`
Type string `json:"secretType"`
Props accountProps `json:"platformAccountProperties"`
Settings accountSetting `json:"secretManagement"`
}
type accountProps struct {
Port string `json:"port"`
DBName string `json:"database"`
}
type accountSetting struct {
AutoMgm bool `json:"automaticManagementEnabled"`
}
type member struct {
Member string `json:"memberName"`
MemberType string `json:"memberType"`
SafePerm safeperm `json:"permissions"`
}
type syncMember struct {
Member string `json:"memberName"`
MemberType string `json:"memberType"`
SafePerm syncPerm `json:"permissions"`
}
type syncPerm struct {
UseAccounts bool `json:"useAccounts"`
RetrieveAccounts bool `json:"retrieveAccounts"`
ListAccounts bool `json:"listAccounts"`
Access bool `json:"accessWithoutConfirmation"`
}
// GLOBAL VARIABLE DECLARES
var (
// Convert this to manifest data
strategy = os.Getenv("AUTHN_STRATEGY") //: api/k8s
TOKEN = os.Getenv("CONJUR_TOKEN_PATH") //if authn_strategy->k8s
baseConjurUri = os.Getenv("CONJUR_URL") //cloud
host = os.Getenv("CONJUR_AUTHN_LOGIN") //if k8s, not needed
api = os.Getenv("CONJUR_AUTHN_KEY") //-> Set to blank to avoid go error, but do not implement.
safe = os.Getenv("CONJUR_SAFE")
pasQuery = os.Getenv("CONJUR_PASQUERY")
opcQuery = os.Getenv("CONJUR_OPCQUERY")
opkQuery = os.Getenv("CONJUR_OPKQUERY")
selfSigned = os.Getenv("SELF_SIGNED")
safePrefix = os.Getenv("SAFE_PREFIX")
basePASUri = os.Getenv("PAS_URI")
tenant = os.Getenv("TENANT")
onboardBranch = os.Getenv("CONJUR_HOST_BRANCH")
P = os.Getenv("SERVICE_PORT")
// Defaults
USER = "default"
PASS = "default"
gt = "client_credentials"
pResult = false
cResult = false
sign = false
ticket = 1
req = fmt.Sprintf("%s%d", "CHG", ticket)
membership = false
syncUser = "Conjur Sync" //Sync user in pCloud
syncMemberType = "User" // Sync User to replicate to Conjur
CA_FILE = "/app/cloud.pem"
port = "443"
// Unitialized variables -> initialized in discovery
certData string
certKey string
pasUser string
pasPassword string
account string
// URLs
discoverPath = baseConjurUri + "/resources/" + account + "?kind=variable&search=" + safe + "/"
retrievalPath = baseConjurUri + "/secrets?variable_ids="
accountPath = baseConjurUri + "/info"
)
func httpClient(s bool) *http.Client {
// Construct httpClient using caCert pool
caCert, err := os.ReadFile(CA_FILE)
if err != nil {
log.Fatal(err)
}
caCertPool := x509.NewCertPool()
caCertPool.AppendCertsFromPEM(caCert)
c := &http.Client{
Transport: &http.Transport{
TLSHandshakeTimeout: 700 * time.Millisecond,
TLSClientConfig: &tls.Config{
RootCAs: caCertPool,
InsecureSkipVerify: s,
},
},
}
return c
}
func handleIdentityAuthn(client *http.Client) string {
authnUrl := "https://" + tenant + ".id.cyberark.cloud/oauth2/platformtoken"
method := "POST"
payload := strings.NewReader("client_id=" + url.QueryEscape(pasUser) + "&grant_type=" + gt + "&client_secret=" + pasPassword)
req, err := http.NewRequest(method, authnUrl, payload)
if err != nil {
log.Fatal(err)
}
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
res, err := client.Do(req)
if err != nil {
log.Fatal(err)
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
log.Fatal(err)
}
if res.StatusCode == 200 {
authzToken := token{}
jsonError := json.Unmarshal(body, &authzToken)
if jsonError != nil {
log.Fatal(jsonError)
}
return string(authzToken.Access_token)
} else {
log.Println(string(body))
log.Fatal("Failed to authenticate:", res.StatusCode)
}
log.Fatal("Unable to authenticate to ISPSS.")
return "Failed."
}
func checkFile() bool {
if _, err := os.Stat(TOKEN); err == nil {
return true
} else {
return false
}
}
func handleConjurAuthn(client *http.Client) string {
// Host API Key authentication with Conjur
// Refactor to use authn-k8s (jwt or cert)
// Implement check on authn methods
log.Printf("Using authentication strategy [%s]", strategy)
if strategy == "k8s" {
log.Println("Reading local authorization token.")
for {
status := checkFile()
if status {
token, err := os.ReadFile(TOKEN)
if err != nil {
log.Fatal(err)
}
log.Println("Encoding Token")
data := enc.StdEncoding.EncodeToString([]byte(token))
return string(data)
} else {
log.Println("Waiting for token to become available.")
time.Sleep(5 * time.Second)
}
}
} else if strategy == "api" {
// Encoding host converting / to %2F
encodedHost := url.QueryEscape(host)
authnUrl := baseConjurUri + "/authn/" + account + "/" + encodedHost + "/authenticate"
method := "POST"
payload := strings.NewReader(api)
req, err := http.NewRequest(method, authnUrl, payload)
if err != nil {
log.Fatal(err)
}
req.Header.Add("Accept-Encoding", "base64")
req.Header.Add("Content-Type", "text/plain")
res, err := client.Do(req)
if err != nil {
log.Fatal(err)
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
log.Fatal(err)
}
if res.StatusCode == 200 {
log.Println("Successfully authenticated as " + host + " to " + baseConjurUri)
return string(body)
} else {
log.Fatal("Failed to authenticate:", res.StatusCode)
}
}
log.Fatal("No strategy declared, check your configuration and rerun the application.")
return "Failed."
}
func discover(t string, client *http.Client, query string) string {
var sb strings.Builder
authnUrl := discoverPath + query
method := "GET"
req, err := http.NewRequest(method, authnUrl, nil)
if err != nil {
log.Println(err)
return "false"
}
tokenHeader := "Token token=\"" + t + "\""
req.Header.Add("Authorization", tokenHeader)
res, err := client.Do(req)
if err != nil {
log.Println(err)
return "false"
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
log.Println(err)
return "false"
}
secretPaths := []secret{}
jsonErr := json.Unmarshal(body, &secretPaths)
if jsonErr != nil {
log.Fatal(jsonErr)
}
log.Printf("Successfully found secrets, preparing paths for [%s]", query)
for _, values := range secretPaths {
sb.WriteString(values.Path + ",")
}
log.Println("Converting buffer to string.")
dirtyVariables := sb.String()
log.Println("Cleaning variables.")
cleanVariables := strings.TrimSuffix(dirtyVariables, ",")
return cleanVariables
}
func initSecrets(t string, client *http.Client, paths string) [2]string {
authnUrl := retrievalPath + paths
method := "GET"
req, err := http.NewRequest(method, authnUrl, nil)
if err != nil {
log.Fatal(err)
}
tokenHeader := "Token token=\"" + t + "\""
req.Header.Add("Authorization", tokenHeader)
res, err := client.Do(req)
if err != nil {
log.Fatal(err)
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
log.Fatal(err)
}
responseDecoded := make(map[string]string)
err = json.NewDecoder(bytes.NewBuffer(body)).Decode(&responseDecoded)
if err != nil {
log.Fatal("Error coding JSON response.")
}
for k, v := range responseDecoded {
lastIndex := strings.LastIndex(k, "/")
attrChk := k[lastIndex+1:]
if attrChk == "username" {
USER = v
}
if attrChk == "password" {
PASS = v
}
}
var payload [2]string
/*
* Working with discovery I build a mapped array as follows:
* payload[1] := USER
* payload[2] := PASS
*
* This is an example of implementing discovery and can be retrofit for any need.
*/
payload[0] = USER
payload[1] = PASS
return payload
}
func setConjurData(client *http.Client) {
log.Printf("Authenticating to [%s]", baseConjurUri)
token := handleConjurAuthn(client)
log.Printf("Discovering required secrets from [%s]", safe)
pasSecretPaths := discover(token, client, pasQuery)
certPath := discover(token, client, opcQuery)
keyPath := discover(token, client, opkQuery)
log.Printf("Found secrets, retrieving values.")
pasSecrets := initSecrets(token, client, pasSecretPaths)
certSecrets := initSecrets(token, client, certPath)
keySecrets := initSecrets(token, client, keyPath)
pasUser = pasSecrets[0]
pasPassword = pasSecrets[1]
certData = certSecrets[1]
certKey = keySecrets[1]
}
func addSync(client *http.Client, token string, safe string, ticket string) bool {
safesUrl := basePASUri + "/Safes/" + safe + "/Members/"
method := "POST"
// ACL SYNC
syncPermBlock := syncPerm{
UseAccounts: true,
RetrieveAccounts: true,
ListAccounts: true,
Access: true,
}
syncUser := syncMember{
Member: syncUser,
MemberType: syncMemberType,
SafePerm: syncPermBlock,
}
thisDat, err := json.Marshal(syncUser)
if err != nil {
log.Fatal(err)
}
req, err := http.NewRequest(method, safesUrl, bytes.NewBuffer(thisDat))
if err != nil {
log.Fatal(err)
}
tokenHeader := "Bearer " + token
req.Header.Add("Authorization", tokenHeader)
req.Header.Add("Content-Type", "application/json")
res, err := client.Do(req)
if err != nil {
log.Fatal(err)
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
log.Fatal(err)
}
if res.StatusCode == 201 || res.StatusCode == 200 {
return true
} else {
log.Printf("[%s] Error onboarding Synchronizer user code:%d", ticket, res.StatusCode)
log.Printf("[%s] %s", ticket, string(body))
return false
}
}
func updateMembers(client *http.Client, token string, safe string, group string, ticket string) bool {
safesUrl := basePASUri + "/Safes/" + safe + "/Members/"
method := "POST"
// ACL USER
permissionBlock := safeperm{
ManageSafe: true,
ManageSafeMembers: true,
ViewSafeMembers: true,
ViewAuditLog: true,
UseAccounts: true,
RetrieveAccounts: true,
ListAccounts: true,
AddAccounts: true,
UpdateAccountContent: true,
UpdateAccountProperties: true,
RenameAccounts: true,
DeleteAccounts: true,
UnlockAccounts: true,
}
thisUser := member{
Member: group,
MemberType: syncMemberType,
SafePerm: permissionBlock,
}
thisDat, err := json.Marshal(thisUser)
if err != nil {
log.Fatal(err)
}
log.Printf("[%s] %s", ticket, string(thisDat))
req, err := http.NewRequest(method, safesUrl, bytes.NewBuffer(thisDat))
if err != nil {
log.Fatal(err)
}
tokenHeader := "Bearer " + token
req.Header.Add("Authorization", tokenHeader)
req.Header.Add("Content-Type", "application/json")
res, err := client.Do(req)
if err != nil {
log.Fatal(err)
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
log.Fatal(err)
}
if res.StatusCode == 201 || res.StatusCode == 200 {
syncResult := addSync(client, token, safe, ticket)
if syncResult {
log.Printf("[%s] Onboarded Synchronizer.", ticket)
return true
} else {
log.Printf("[%s] Error onboarding Synchronizer.", ticket)
return false
}
} else {
log.Printf("[%s] Error onboarding membership code:%d", ticket, res.StatusCode)
log.Printf("[%s] %s", ticket, string(body))
return false
}
}
func onboardSafe(client *http.Client, token string, safe string, ticket string, group string) bool {
safesUrl := basePASUri + "/Safes"
method := "POST"
s := safeObject{
Safe: safe,
Desc: ticket,
Retention: 0,
}
payload, err := json.Marshal(s)
if err != nil {
log.Fatal(err)
}
req, err := http.NewRequest(method, safesUrl, bytes.NewBuffer(payload))
if err != nil {
log.Fatal(err)
}
tokenHeader := "Bearer " + token
req.Header.Add("Authorization", tokenHeader)
req.Header.Add("Content-Type", "application/json")
res, err := client.Do(req)
if err != nil {
log.Fatal(err)
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
log.Fatal(err)
}
log.Printf("[%s] %s" , ticket, string(body))
membership = updateMembers(client, token, safe, group, ticket)
if membership {
log.Printf("[%s] Onboarded safe and updated group membership.", ticket)
return true
} else {
log.Printf("[%s] Unable to update group membership.", ticket)
return false
}
}
func onboardCreds(client *http.Client, token string, pasObj [9]string, ticket string) bool {
safesUrl := basePASUri + "/Accounts/"
method := "POST"
props := accountProps{
DBName: pasObj[7],
Port: pasObj[6],
}
settings := accountSetting{
AutoMgm: true,
}
accountObject := credential{
FriendlyName: pasObj[5],
Address: pasObj[4],
User: pasObj[1],
Pass: pasObj[3],
Safe: pasObj[0],
Platform: pasObj[8],
Type: "password",
Props: props,
Settings: settings,
}
payload, err := json.Marshal(accountObject)
if err != nil {
log.Fatal(err)
}
req, err := http.NewRequest(method, safesUrl, bytes.NewBuffer(payload))
if err != nil {
log.Fatal(err)
}
tokenHeader := "Bearer " + token
req.Header.Add("Authorization", tokenHeader)
req.Header.Add("Content-Type", "application/json")
res, err := client.Do(req)
if err != nil {
log.Fatal(err)
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
log.Fatal(err)
}
if res.StatusCode == 201 || res.StatusCode == 200 {
log.Printf("[%s] Successfully onboarded credentials into %s", ticket, pasObj[0])
return true
} else {
log.Printf("[%s] Unable to add credentials to safe %d", ticket, res.StatusCode)
log.Println(string(body))
return false
}
}
func delSafe(client *http.Client, token string, safe string, ticket string) {
safesUrl := basePASUri + "/Safes/" + safe
method := "DELETE"
req, err := http.NewRequest(method, safesUrl, nil)
if err != nil {
log.Fatal(err)
}
tokenHeader := "Bearer " + token
req.Header.Add("Authorization", tokenHeader)
req.Header.Add("Content-Type", "application/json")
res, err := client.Do(req)
if err != nil {
log.Fatal(err)
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
log.Fatal(err)
}
if res.StatusCode == 204 {
log.Printf("[%s] Successfully deleted %s", ticket, safe)
} else {
log.Printf("[%s] Failed to delete %s", ticket, safe)
log.Println(string(body))
}
}
func check(v string) bool {
if v == "" {
return false
} else {
return true
}
}
func getTicket() string {
if ticket == 1 {
ticket++
return req
} else {
ticket++
req = fmt.Sprintf("%s%d", "CHG", ticket)
return req
}
}
func validateSafe(client *http.Client, token string, safe string, ticket string) bool {
var sb strings.Builder
url := baseConjurUri + "/resources/" + account + "?kind=group&search=" + safe + "/delegation/consumers&limit=1"
method := "GET"
req, err := http.NewRequest(method, url, nil)
if err != nil {
log.Println(err)
return false
}
tokenHeader := "Token token=\"" + token + "\""
req.Header.Add("Authorization", tokenHeader)
res, err := client.Do(req)
if err != nil {
log.Println(err)
return false
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
log.Println(err)
return false
}
safePath := []secret{}
jsonErr := json.Unmarshal(body, &safePath)
if jsonErr != nil {
log.Fatal(jsonErr)
}
log.Printf("[%s] Sending request [%s]", ticket, url)
for _, values := range safePath {
sb.WriteString(values.Path)
}
safeStr := safe + "/delegation/consumers"
safeCheck := strings.ContainsAny(safeStr, string(sb.String()))
return safeCheck
}
func entitleConjurHost(client *http.Client, token string, namespace string, serviceaccount string, safe string, ticket string) bool {
url := baseConjurUri + "/policies/" + account + "/policy/data/vault/" + safe + "/delegation"
method := "POST"
payload :=
`
# loaded into data/vault/` + safe + `/delegation
- !grant
role: !group consumers
member: !host /` + onboardBranch + `/system:serviceaccount:` + namespace + `:` + serviceaccount
req, err := http.NewRequest(method, url, strings.NewReader(payload))
if err != nil {
log.Println(err)
return false
}
tokenHeader := "Token token=\"" + token + "\""
req.Header.Add("Authorization", tokenHeader)
res, err := client.Do(req)
if err != nil {
log.Println(err)
return false
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
log.Println(err)
return false
}
entitled := false
if res.StatusCode == 201 {
entitled = true
log.Printf("[%s] Successfully entitled host to %s [%d]", ticket, safe, res.StatusCode)
log.Printf("[%s] %s", ticket, string(body))
return entitled
} else {
log.Printf("[%s] Failed entitled host to %s [%d]", ticket, safe, res.StatusCode)
log.Printf("[%s] %s", ticket, string(body))
return entitled
}
}
func onboardConjurHost(client *http.Client, token string, namespace string, serviceaccount string, cluster string, ticket string) bool {
url := baseConjurUri + "/policies/" + account + "/policy/" + onboardBranch
method := "POST"
ts := time.Now().Format("01-02-2006 15:04:05 Monday")
payload :=
`
- !host
id: system:serviceaccount:` + namespace + `:` + serviceaccount + `
annotations:
authn-jwt/` + cluster + `/kubernetes.io/namespace: ` + namespace + `
authn-jwt/` + cluster + `/kubernetes.io/serviceaccount/name: ` + serviceaccount + `
authn/api-key: true
ticket_number: ` + ticket + `
automation_creation_time: ` + ts + `
- !grant
role: !group authenticators
member: !host system:serviceaccount:` + namespace + `:` + serviceaccount
req, err := http.NewRequest(method, url, strings.NewReader(payload))
if err != nil {
log.Println(err)
return false
}
tokenHeader := "Token token=\"" + token + "\""
req.Header.Add("Authorization", tokenHeader)
res, err := client.Do(req)
if err != nil {
log.Println(err)
return false
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
log.Println(err)
return false