func handleSysRekeyUpdate(core *vault.Core) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method != "PUT" {
respondError(w, http.StatusMethodNotAllowed, nil)
return
}
// Parse the request
var req RekeyUpdateRequest
if err := parseRequest(r, &req); err != nil {
respondError(w, http.StatusBadRequest, err)
return
}
if req.Key == "" {
respondError(
w, http.StatusBadRequest,
errors.New("'key' must specified in request body as JSON"))
return
}
// Decode the key, which is hex encoded
key, err := hex.DecodeString(req.Key)
if err != nil {
respondError(
w, http.StatusBadRequest,
errors.New("'key' must be a valid hex-string"))
return
}
// Use the key to make progress on rekey
result, err := core.RekeyUpdate(key, req.Nonce)
if err != nil {
respondError(w, http.StatusBadRequest, err)
return
}
// Format the response
resp := &RekeyUpdateResponse{}
if result != nil {
resp.Complete = true
resp.Nonce = req.Nonce
// Encode the keys
keys := make([]string, 0, len(result.SecretShares))
for _, k := range result.SecretShares {
keys = append(keys, hex.EncodeToString(k))
}
resp.Keys = keys
resp.Backup = result.Backup
resp.PGPFingerprints = result.PGPFingerprints
}
respondOk(w, resp)
})
}
func handleSysRekeyUpdate(core *vault.Core, recovery bool) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
standby, _ := core.Standby()
if standby {
respondStandby(core, w, r.URL)
return
}
// Parse the request
var req RekeyUpdateRequest
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 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
}
}
// Use the key to make progress on rekey
result, err := core.RekeyUpdate(key, req.Nonce, recovery)
if err != nil {
respondError(w, http.StatusBadRequest, err)
return
}
// Format the response
resp := &RekeyUpdateResponse{}
if result != nil {
resp.Complete = true
resp.Nonce = req.Nonce
resp.Backup = result.Backup
resp.PGPFingerprints = result.PGPFingerprints
// Encode the keys
keys := make([]string, 0, len(result.SecretShares))
keysB64 := make([]string, 0, len(result.SecretShares))
for _, k := range result.SecretShares {
keys = append(keys, hex.EncodeToString(k))
keysB64 = append(keysB64, base64.StdEncoding.EncodeToString(k))
}
resp.Keys = keys
resp.KeysB64 = keysB64
}
respondOk(w, resp)
})
}