// Used for tests. Everytime its load key from file.
func RSAEncrypt(data []byte) ([]byte, error) {
pathToKey, cfgErr := cfg.GetStr(cfg.STR_KEYS_PATH)
if cfgErr != nil {
return nil, cfgErr
}
pemData, err := ioutil.ReadFile(pathToKey + "public_key.pem")
if err != nil {
return nil, err
}
// Extract the PEM-encoded data block
block, _ := pem.Decode(pemData)
if block == nil {
return nil, errors.New("Empty block.")
}
// Decode the RSA public key
key, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
return nil, err
}
pkey := key.(*rsa.PublicKey)
// Encrypt the data
out, err := rsa.EncryptPKCS1v15(rand.Reader, pkey, data)
if err != nil {
return nil, err
}
return out, nil
}
func connectToDB() error {
var err error
user, _ = cfg.GetStr(cfg.STR_DB_USER)
pass, _ = cfg.GetStr(cfg.STR_DB_PASS)
host, _ = cfg.GetStr(cfg.STR_DB_HOST)
port, _ = cfg.GetStr(cfg.STR_DB_PORT)
dbName, _ = cfg.GetStr(cfg.STR_DB_NAME)
db, err = sql.Open("mysql", user+":"+pass+"@tcp("+host+":"+port+")/"+dbName+"?parseTime=true")
if err != nil {
return err
}
return nil
}
// Should be run only once.
func loadPrivateKey() error {
pathToKey, cfgErr := cfg.GetStr(cfg.STR_KEYS_PATH)
if cfgErr != nil {
return cfgErr
}
pemData, err := ioutil.ReadFile(pathToKey + "private_key.pem")
if err != nil {
return err
}
block, _ := pem.Decode(pemData)
if block == nil {
return errors.New("Pem block is empty.")
}
if got, want := block.Type, "RSA PRIVATE KEY"; got != want {
return errors.New("Invalid pem block.")
}
priv, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
return errors.New("Bad private key.")
}
privateKey = priv
return nil
}
func sendAppleMsg(device string, msg *models.PushMessage) error {
pathToKey, cfgErr := cfg.GetStr(cfg.STR_KEYS_PATH)
if cfgErr != nil {
return cfgErr
}
apn, err := apns.NewClient("gateway.sandbox.push.apple.com:2195", pathToKey+"cert.pem", pathToKey+"key-noenc.pem")
if err != nil {
return err
}
apn.MAX_PAYLOAD_SIZE = 2048
payload := &ApplePayload{}
payload.Aps.Alert = msg.Message
payload.Aps.Title = "MastersLunch"
payload.Aps.Sound = "bingbong.aiff"
payload.Aps.Badge = 42
bytes, _ := json.Marshal(payload)
fmt.Printf("Notification sender debug: %v\n", string(bytes))
fmt.Printf("Notification sender debug: Trying to send Apple device notifications to %v\n", device)
err = apn.SendPayloadString(device, bytes, 5)
if err != nil {
fmt.Printf("Notification sender !!!ERROR: Sending notification to Apple device failed: %s\n", err.Error())
}
return err
}