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sys_generate_root.go
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/
sys_generate_root.go
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package http
import (
"encoding/base64"
"encoding/hex"
"errors"
"fmt"
"net/http"
"github.com/hashicorp/vault/vault"
)
func handleSysGenerateRootAttempt(core *vault.Core, generateStrategy vault.GenerateRootStrategy) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case "GET":
handleSysGenerateRootAttemptGet(core, w, r)
case "POST", "PUT":
handleSysGenerateRootAttemptPut(core, w, r, generateStrategy)
case "DELETE":
handleSysGenerateRootAttemptDelete(core, w, r)
default:
respondError(w, http.StatusMethodNotAllowed, nil)
}
})
}
func handleSysGenerateRootAttemptGet(core *vault.Core, w http.ResponseWriter, r *http.Request) {
ctx, cancel := core.GetContext()
defer cancel()
// Get the current seal configuration
barrierConfig, err := core.SealAccess().BarrierConfig(ctx)
if err != nil {
respondError(w, http.StatusInternalServerError, err)
return
}
if barrierConfig == nil {
respondError(w, http.StatusBadRequest, fmt.Errorf(
"server is not yet initialized"))
return
}
sealConfig := barrierConfig
if core.SealAccess().RecoveryKeySupported() {
sealConfig, err = core.SealAccess().RecoveryConfig(ctx)
if err != nil {
respondError(w, http.StatusInternalServerError, err)
return
}
}
// Get the generation configuration
generationConfig, err := core.GenerateRootConfiguration()
if err != nil {
respondError(w, http.StatusInternalServerError, err)
return
}
// Get the progress
progress, err := core.GenerateRootProgress()
if err != nil {
respondError(w, http.StatusInternalServerError, err)
return
}
// Format the status
status := &GenerateRootStatusResponse{
Started: false,
Progress: progress,
Required: sealConfig.SecretThreshold,
Complete: false,
}
if generationConfig != nil {
status.Nonce = generationConfig.Nonce
status.Started = true
status.PGPFingerprint = generationConfig.PGPFingerprint
}
respondOk(w, status)
}
func handleSysGenerateRootAttemptPut(core *vault.Core, w http.ResponseWriter, r *http.Request, generateStrategy vault.GenerateRootStrategy) {
// Parse the request
var req GenerateRootInitRequest
if err := parseRequest(r, w, &req); err != nil {
respondError(w, http.StatusBadRequest, err)
return
}
if len(req.OTP) > 0 && len(req.PGPKey) > 0 {
respondError(w, http.StatusBadRequest, fmt.Errorf("only one of \"otp\" and \"pgp_key\" must be specified"))
return
}
// Attemptialize the generation
err := core.GenerateRootInit(req.OTP, req.PGPKey, generateStrategy)
if err != nil {
respondError(w, http.StatusBadRequest, err)
return
}
handleSysGenerateRootAttemptGet(core, w, r)
}
func handleSysGenerateRootAttemptDelete(core *vault.Core, w http.ResponseWriter, r *http.Request) {
err := core.GenerateRootCancel()
if err != nil {
respondError(w, http.StatusInternalServerError, err)
return
}
respondOk(w, nil)
}
func handleSysGenerateRootUpdate(core *vault.Core, generateStrategy vault.GenerateRootStrategy) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Parse the request
var req GenerateRootUpdateRequest
if err := parseRequest(r, w, &req); err != nil {
respondError(w, http.StatusBadRequest, err)
return
}
if req.Key == "" {
respondError(
w, http.StatusBadRequest,
errors.New("'key' must be specified in request body as JSON"))
return
}
// Decode the key, which is base64 or hex encoded
min, max := core.BarrierKeyLength()
key, err := hex.DecodeString(req.Key)
// We check min and max here to ensure that a string that is base64
// encoded but also valid hex will not be valid and we instead base64
// decode it
if err != nil || len(key) < min || len(key) > max {
key, err = base64.StdEncoding.DecodeString(req.Key)
if err != nil {
respondError(
w, http.StatusBadRequest,
errors.New("'key' must be a valid hex or base64 string"))
return
}
}
ctx, cancel := core.GetContext()
defer cancel()
// Use the key to make progress on root generation
result, err := core.GenerateRootUpdate(ctx, key, req.Nonce, generateStrategy)
if err != nil {
respondError(w, http.StatusBadRequest, err)
return
}
resp := &GenerateRootStatusResponse{
Complete: result.Progress == result.Required,
Nonce: req.Nonce,
Progress: result.Progress,
Required: result.Required,
Started: true,
EncodedToken: result.EncodedToken,
PGPFingerprint: result.PGPFingerprint,
}
if generateStrategy == vault.GenerateStandardRootTokenStrategy {
resp.EncodedRootToken = result.EncodedToken
}
respondOk(w, resp)
})
}
type GenerateRootInitRequest struct {
OTP string `json:"otp"`
PGPKey string `json:"pgp_key"`
}
type GenerateRootStatusResponse struct {
Nonce string `json:"nonce"`
Started bool `json:"started"`
Progress int `json:"progress"`
Required int `json:"required"`
Complete bool `json:"complete"`
EncodedToken string `json:"encoded_token"`
EncodedRootToken string `json:"encoded_root_token"`
PGPFingerprint string `json:"pgp_fingerprint"`
}
type GenerateRootUpdateRequest struct {
Nonce string
Key string
}