// Simple check keys.
func KeysSimpleCheck(data string, option *options.SysOption) {
if privKey, err := option.GetPrivKey(); err == nil {
if pubKey, err := option.GetPubKey(); err == nil {
rand := helpers.NewSystemRandom()
mainPart := fmt.Sprint(
"%s.%s",
base64.StdEncoding.EncodeToString([]byte(rand.CreatePassword(64))),
base64.StdEncoding.EncodeToString([]byte(rand.CreatePassword(96))))
sig, err := jwt.SigningMethodRS256.Sign(mainPart, privKey)
if err == nil {
err := jwt.SigningMethodRS256.Verify(mainPart, sig, pubKey)
if err == nil {
log.Printf("Keys from '%s' is correct\n", option.KeyDir)
}
} else {
log.Fatalf("Can't ctrate signature: %s\n", err)
}
} else {
log.Fatalf("Can't open public key! Error: %s\n", err)
}
} else {
log.Fatalf("Can't open private key! Error: %s\n", err)
}
}
func sendCallMethod(
msg *CoreMsg,
serverBusyAccounting *helpers.ServerBusyAccounting,
serverMethods *helpers.ServerMethods) ([]*ServerCmd, error) {
//
var err error
var cmd, servCmd *ServerCmd
cid := (*msg).Cid
method := (*msg).Method
if serverMethods.IsPublic(method) {
if freeCid, exists := serverMethods.SearchFree(method, serverBusyAccounting); exists {
rand := helpers.NewSystemRandom()
task := rand.CreateTaskId()
taskInfo := fmt.Sprintf("{\"task\": \"%s\"}", task)
cmd = NewServerDataCmd(CmdOk, cid, &taskInfo)
execDataInst := execData{
Task: task,
Data: string((*msg).Data),
Method: method}
if data, dumpErr := dumps(execDataInst, false); dumpErr != nil {
err = dumpErr
} else {
servCmd = NewServerDataCmd(CmdCallMethod, freeCid, &data)
rllogger.Outputf(rllogger.LogDebug, "method '%s' -> %s", method, freeCid)
}
} else {
cmd = NewServerCmd(CmdWaitFree, cid)
}
} else {
cmd = NewServerCmd(CmdProblem, cid)
err = errors.New(fmt.Sprintf("Method '%s' not found", method))
}
return []*ServerCmd{cmd, servCmd}, err
}
func NewConnectionDataManager(options options.SysOption) *ConnectionDataManager {
rand := helpers.NewSystemRandom()
result := ConnectionDataManager{
rand: *rand,
options: options,
// all pointer set reserved now
storage: make([]*ConnectionDataStorageCell, GroupCount),
AsyncSafeObject: *(helpers.NewAsyncSafeObject())}
return &result
}
func sendAuthRequest(
cmd *ClientCmd,
context *helpers.ConnectionContext,
option HandlerParamsReader) (*ServerCmd, error) {
// Send server random key for auth
rand := helpers.NewSystemRandom()
key := rand.CreatePassword(option.GetDefaultKeySize())
contextData := ContextNewData{auth: false, data: key}
answer := ServerCmd{
contextUpdater: &contextData,
baseCmd: baseCmd{Data: key, Target: CmdAuthRequest}}
return &answer, nil
}
func sendAuthResult(
cmd *ClientCmd,
context *helpers.ConnectionContext,
option HandlerParamsReader) (*ServerCmd, error) {
// Check client hash
serverKey := context.GetTmpData()
var err error
var result *ServerCmd
if len(serverKey) == option.GetDefaultKeySize() {
requestData := (*cmd).Data
if len(requestData) > 0 {
if clientParts := strings.Split(requestData, ":"); len(clientParts) == 2 {
// clientParts[0] - hash from client clientParts[1] - client "salt"
line := fmt.Sprintf(
"%s%s%s",
// main key
option.GetSecretKey(),
// client key
clientParts[1],
// server key
serverKey)
if hashMethod(line, option) == clientParts[0] {
rand := helpers.NewSystemRandom()
keySize, node := option.GetCidConstructorData()
contextData := ContextNewData{auth: true}
// offer new cid
answer := ServerCmd{
contextUpdater: &contextData,
baseCmd: baseCmd{Cid: rand.CreateCid(keySize, node), Target: CmdClientData}}
result = &answer
} else {
err = errors.New("Auth failed!")
}
} else {
err = errors.New("Client data format error.")
}
} else {
err = errors.New("Client data not found.")
}
} else {
// incorrect
err = errors.New("Connection without auth request?")
}
return result, err
}