helpers.go

// Copyright 2015 Constantin Karataev. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file contains some helper function to form data for requests

package webmoney

import (
	"fmt"
	"golang.org/x/text/encoding/charmap"
	"os"
	"strings"
	"time"
)

// function return reqn params for webmoney request
// each subsequent more as the previews
func Reqn() string {
	nanoseconds := fmt.Sprintf("%03.f", float32(time.Now().Nanosecond()/1000000))
	loc, err := time.LoadLocation("Europe/Moscow")
	if err != nil {
		panic(err)
	}
	if os.Getenv("USE_OLD_REQN") != "" {
		loc, _ = time.LoadLocation("UTC")
		return time.Now().In(loc).Format("060102150405") + nanoseconds[0:2]
	}
	return time.Now().In(loc).Format("20060102150405") + nanoseconds
}

// Utf8ToWin encode string from utf8 to cp1251
func Utf8ToWin(s string) (string, error) {
	encoder := charmap.Windows1251.NewEncoder()
	return encoder.String(s)
}

func DebugLog(v ...interface{}) {
	if strings.ToUpper(os.Getenv("LOG_LEVEL")) == "TRACE" {
		fmt.Println(v...)
	}
}

func DebugLogf(format string, v ...interface{}) {
	if strings.ToUpper(os.Getenv("LOG_LEVEL")) == "TRACE" {
		fmt.Printf(format, v...)
	}
}

// Root ca for webmoney requests
const ROOT_CA = `
-----BEGIN CERTIFICATE-----
MIIFsTCCA5mgAwIBAgIQA7dHzSZ7uJdBxFycIWn+WjANBgkqhkiG9w0BAQUFADBr
MSswKQYDVQQLEyJXTSBUcmFuc2ZlciBDZXJ0aWZpY2F0aW9uIFNlcnZpY2VzMRgw
FgYDVQQKEw9XTSBUcmFuc2ZlciBMdGQxIjAgBgNVBAMTGVdlYk1vbmV5IFRyYW5z
ZmVyIFJvb3QgQ0EwHhcNMTAwMzEwMTczNDU2WhcNMzUwMzEwMTc0NDUxWjBrMSsw
KQYDVQQLEyJXTSBUcmFuc2ZlciBDZXJ0aWZpY2F0aW9uIFNlcnZpY2VzMRgwFgYD
VQQKEw9XTSBUcmFuc2ZlciBMdGQxIjAgBgNVBAMTGVdlYk1vbmV5IFRyYW5zZmVy
IFJvb3QgQ0EwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDFLJXtzEkZ
xLj1HIj9EhGvajFJ7RCHzF+MK2ZrAgxmmOafiFP6QD/aVjIexBqRb8SVy38xH+wt
hqkZgLMOGn8uDNpFieEMoX3ZRfqtCcD76KDySTOX1QUwHAzBfGuhe2ZQULUIjxdP
Ra4NDyvmXh4pE/s1+/7dGbUZs/JpYYaD2xxAt5PDTjylsKOk4FMb5kv6jzORkXku
5UKFGUXEXbbf1xzgYHMIzoeJGn+iPgVFYAvkkQyvxEaVj0lNE+q/ua761krgCo47
BiH1zMFzkv4uNHEZfe/lyHaozzbsu6yaK3EdrURSLuWrlxKy9yo3xDe9TPkzkhPe
JPbV7YgvUUtWSeAJpksBU8GCALEhSgXOfHckuJFj9QB3YecHBvjdSiAUuntwM/iH
vtSOXEUHxqW75E2Gq/2L4vBcxArXVdbUrVQDF3klzYu17OFgfe1hHHMHzgr4HBML
ZiRCcvNLqghBCVxu1DM15YDfw+wnNV/5dUPx60tiocmCZpJKTwVl8gc85QCPyREu
jey8F0kgdgssQosPWTTWDg7X4Ifw20VkplHZDr29K5HdwLe56TvOI/4H24XJdqpA
xoLBx9PL6ZXxH52wU0bSluL8/joXGzavFrhsXH7jJocH6tsFVzBZrmnVswbUMHDN
L3xSnr5fAAXXZa7UwHd3pq/fsdG7s9PByQIDAQABo1EwTzALBgNVHQ8EBAMCAYYw
DwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4EFgQUsTCnSwOZT4Q2HBN9V/TrafuIG8Mw
EAYJKwYBBAGCNxUBBAMCAQAwDQYJKoZIhvcNAQEFBQADggIBAAy5jHDFpVWtF209
N30I+LHsiqMaLUmYDeV6sUBJqmWAZav7pWnigiMLuJd9yRa/ow6yKlKPRi3sbKaB
wsAQ+xnz811nLFBBdS4PkwlHu1B7P4B2YbcqmF6k1QieJBZxOn7wledtnoBAkZ4d
6HEW1OM5cvCoyj8YAdJTZIBzn61aNt/viPvypIUQf6Ps6Q2daNEAj7DoxIY8crnO
aSIGdGmlT/y/edSqWv9Am5e9KXkJhQWMnGXh43wJYyHTetxVWPS43bW7gIUADYyc
KSH3isrBN5xQOFXMfL+lVHHSs7ap23DOo7xIDenm5PWz+QdDDFz3zLVeRovnkIdk
a/Wgk3f6rFfKB0y5POJ+BJvkorIYNZiN3dnmc6cDP840BUMv3BUrOe8iSy5lRr8m
R+daktbZfO8E/rAb3zEdN+KG/CNJfAnQvp6DT4LqY/J9pG+VusH5GpUwuXr7UqLw
End1LRp7qm28Cic7fegUnnUpkuF4ZFq8pWq8w59sOWlRuKBuWX46OghMrjgD0AN1
hlA2/d5ULImX70Q2te3xiS1vrQhu77mkb/jA4/9+YfeT7VMpbnC3OoHiZ2bjudKn
thlOs+AuUvzB4Tqo62VSF5+r0sYI593S+STmaZBAzsoaoEB7qxqKbEKCvXb9BlXk
L76xIOEkbSIdPIkGXM4aMo4mTVz7
-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
MIICPDCCAaUCEHC65B0Q2Sk0tjjKewPMur8wDQYJKoZIhvcNAQECBQAwXzELMAkG
A1UEBhMCVVMxFzAVBgNVBAoTDlZlcmlTaWduLCBJbmMuMTcwNQYDVQQLEy5DbGFz
cyAzIFB1YmxpYyBQcmltYXJ5IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTk2
MDEyOTAwMDAwMFoXDTI4MDgwMTIzNTk1OVowXzELMAkGA1UEBhMCVVMxFzAVBgNV
BAoTDlZlcmlTaWduLCBJbmMuMTcwNQYDVQQLEy5DbGFzcyAzIFB1YmxpYyBQcmlt
YXJ5IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIGfMA0GCSqGSIb3DQEBAQUAA4GN
ADCBiQKBgQDJXFme8huKARS0EN8EQNvjV69qRUCPhAwL0TPZ2RHP7gJYHyX3KqhE
BarsAx94f56TuZoAqiN91qyFomNFx3InzPRMxnVx0jnvT0Lwdd8KkMaOIG+YD/is
I19wKTakyYbnsZogy1Olhec9vn2a/iRFM9x2Fe0PonFkTGUugWhFpwIDAQABMA0G
CSqGSIb3DQEBAgUAA4GBALtMEivPLCYATxQT3ab7/AoRhIzzKBxnki98tsX63/Do
lbwdj2wsqFHMc9ikwFPwTtYmwHYBV4GSXiHx0bH/59AhWM1pF+NEHJwZRDmJXNyc
AA9WjQKZ7aKQRUzkuxCkPfAyAw7xzvjoyVGM5mKf5p/AfbdynMk2OmufTqj/ZA1k
-----END CERTIFICATE-----`