public QRCodeConfig(QRCodeContent content)
{
background_color = content.BackColor;
code_scale = content.scale;
code_version = content.version;
EncodeMode = content.encode_mode;
EncodingString = content.encoding;
ErrorCorrection = content.checksum;
fore_color = content.ForeColor;
logo = content.logo;
if (logo == null && !content.logo_base64.isNull())
{
logo = ImageUtil.fromBase64(content.logo_base64);
}
if (logo == null && !content.logo_url.isNull())
{
//为了支持旧版, 可以将url中放入base64结构的内容
if (content.logo_url.StartsWith("[base64]"))
{
logo = ImageUtil.fromBase64(content.logo_url.Substring(8));
}
else
{
logo = ImageUtil.fromUrl(content.logo_url);
}
}
logo_height = content.logo_height;
logo_width = content.logo_width;
}
public async Task <TokenVm> CreateTokenByQRCodeAsync(QRCodeContent qRCodeContent,
string deviceTokenId = null,
string osName = null,
string deviceName = null,
string appName = null)
{
byte[] sequenceHash = GetSequenceHashSha512(qRCodeContent.Sequence);
using (MessengerDbContext context = contextFactory.Create())
{
var qrCode = await context.QRCodes
.FirstOrDefaultAsync(qr => qr.UserId == qRCodeContent.UserId && qr.SequenceHash.SequenceEqual(sequenceHash))
.ConfigureAwait(false);
if (qrCode == null)
{
throw new ObjectDoesNotExistsException("QR-code with the data was not found.");
}
Token token = new Token
{
AccessToken = RandomExtensions.NextString(64),
RefreshToken = RandomExtensions.NextString(64),
AccessTokenExpirationTime = DateTime.UtcNow.AddHours(TokensService.ACCESS_LIFETIME_HOUR).ToUnixTime(),
RefreshTokenExpirationTime = DateTime.UtcNow.AddHours(TokensService.REFRESH_LIFETIME_HOUR).ToUnixTime(),
AppName = appName,
DeviceName = deviceName,
OSName = osName,
DeviceTokenId = deviceTokenId,
UserId = qRCodeContent.UserId
};
await context.Tokens.AddAsync(token).ConfigureAwait(false);
context.QRCodes.Remove(qrCode);
await context.SaveChangesAsync().ConfigureAwait(false);
return(TokenConverter.GetTokenVm(token));
}
}
public static Image getQRCode(QRCodeContent content)
{
return getQRCode(content.content, new QRCodeConfig(content));
}
