/// <summary>
/// The default captcha image provider
/// </summary>
public CaptchaImageProvider(
IRandomNumberProvider randomNumberProvider,
IOptions <DNTCaptchaOptions> options)
{
_randomNumberProvider = randomNumberProvider ?? throw new ArgumentNullException(nameof(randomNumberProvider));
_options = options == null ? throw new ArgumentNullException(nameof(options)) : options.Value;
}
private static void configOptions(IServiceCollection services, Action <DNTCaptchaOptions> options)
{
var captchaOptions = new DNTCaptchaOptions();
options?.Invoke(captchaOptions);
setCaptchaStorageProvider(services, captchaOptions);
setSerializationProvider(services, captchaOptions);
}
/// <summary>
/// display a numeric value using the equivalent text
/// </summary>
public ShowDigitsProvider(IOptions <DNTCaptchaOptions> options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
_captchaOptions = options.Value;
}
/// <summary>
/// Represents the storage to save the captcha tokens.
/// </summary>
public CookieCaptchaStorageProvider(
ICaptchaCryptoProvider captchaProtectionProvider,
ILogger <CookieCaptchaStorageProvider> logger,
IOptions <DNTCaptchaOptions> options)
{
_captchaProtectionProvider = captchaProtectionProvider ?? throw new ArgumentNullException(nameof(captchaProtectionProvider));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_options = options == null ? throw new ArgumentNullException(nameof(options)) : options.Value;
_logger.LogDebug("Using the CookieCaptchaStorageProvider.");
}
private static void setCaptchaStorageProvider(IServiceCollection services, DNTCaptchaOptions captchaOptions)
{
if (captchaOptions.CaptchaStorageProvider == null)
{
services.TryAddSingleton <ICaptchaStorageProvider, CookieCaptchaStorageProvider>();
}
else
{
services.TryAddSingleton(typeof(ICaptchaStorageProvider), captchaOptions.CaptchaStorageProvider);
}
}
private static void setSerializationProvider(IServiceCollection services, DNTCaptchaOptions captchaOptions)
{
if (captchaOptions.CaptchaSerializationProvider == null)
{
services.TryAddSingleton <ISerializationProvider, InMemorySerializationProvider>();
}
else
{
services.TryAddSingleton(typeof(ISerializationProvider), captchaOptions.CaptchaSerializationProvider);
}
}
/// <summary>
/// Represents the storage to save the captcha tokens.
/// </summary>
public DistributedCacheCaptchaStorageProvider(
ICaptchaCryptoProvider captchaProtectionProvider,
IDistributedCache distributedCache,
ILogger <DistributedCacheCaptchaStorageProvider> logger,
IOptions <DNTCaptchaOptions> options)
{
_captchaProtectionProvider = captchaProtectionProvider ?? throw new ArgumentNullException(nameof(captchaProtectionProvider));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_distributedCache = distributedCache ?? throw new ArgumentNullException(nameof(distributedCache));
_options = options == null ? throw new ArgumentNullException(nameof(options)) : options.Value;
_logger.LogDebug("Using the DistributedCacheCaptchaStorageProvider.");
}
private static void configOptions(IServiceCollection services, Action <DNTCaptchaOptions> options)
{
var captchaOptions = new DNTCaptchaOptions();
options?.Invoke(captchaOptions);
if (captchaOptions.CaptchaStorageProvider == null)
{
services.TryAddSingleton <ICaptchaStorageProvider, CookieCaptchaStorageProvider>();
}
else
{
services.TryAddSingleton(typeof(ICaptchaStorageProvider), captchaOptions.CaptchaStorageProvider);
}
}
/// <summary>
/// Serialization Provider
/// </summary>
public InMemorySerializationProvider(
IMemoryCache memoryCache,
ICaptchaCryptoProvider captchaProtectionProvider,
ILogger <InMemorySerializationProvider> logger,
IOptions <DNTCaptchaOptions> options)
{
_memoryCache = memoryCache ?? throw new ArgumentNullException(nameof(memoryCache));
if (logger == null)
{
throw new ArgumentNullException(nameof(logger));
}
_options = options == null ? throw new ArgumentNullException(nameof(options)) : options.Value;
_captchaProtectionProvider = captchaProtectionProvider ?? throw new ArgumentNullException(nameof(captchaProtectionProvider));
logger.LogDebug("Using the InMemorySerializationProvider.");
}
/// <summary>
/// Validates the input number.
/// </summary>
public DNTCaptchaValidatorService(
IHttpContextAccessor contextAccessor,
ILogger <DNTCaptchaValidatorService> logger,
ICaptchaCryptoProvider captchaProtectionProvider,
ICaptchaStorageProvider captchaStorageProvider,
Func <DisplayMode, ICaptchaTextProvider> captchaTextProvider,
IOptions <DNTCaptchaOptions> options
)
{
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_captchaProtectionProvider = captchaProtectionProvider ?? throw new ArgumentNullException(nameof(captchaProtectionProvider));
_captchaStorageProvider = captchaStorageProvider ?? throw new ArgumentNullException(nameof(captchaStorageProvider));
_captchaTextProvider = captchaTextProvider ?? throw new ArgumentNullException(nameof(captchaTextProvider));
_contextAccessor = contextAccessor ?? throw new ArgumentNullException(nameof(contextAccessor));
_captchaOptions = options == null ? throw new ArgumentNullException(nameof(options)) : options.Value;
}
/// <summary>
/// DNTCaptcha TagHelper
/// </summary>
public DNTCaptchaTagHelper(
ICaptchaCryptoProvider captchaProtectionProvider,
IRandomNumberProvider randomNumberProvider,
Func <DisplayMode, ICaptchaTextProvider> captchaTextProvider,
ICaptchaStorageProvider captchaStorageProvider,
IAntiforgery antiforgery,
ISerializationProvider serializationProvider,
IOptions <DNTCaptchaOptions> options
)
{
_captchaProtectionProvider = captchaProtectionProvider ?? throw new ArgumentNullException(nameof(captchaProtectionProvider));
_randomNumberProvider = randomNumberProvider ?? throw new ArgumentNullException(nameof(randomNumberProvider));
_captchaTextProvider = captchaTextProvider ?? throw new ArgumentNullException(nameof(captchaTextProvider));
_captchaStorageProvider = captchaStorageProvider ?? throw new ArgumentNullException(nameof(captchaStorageProvider));
_antiforgery = antiforgery ?? throw new ArgumentNullException(nameof(antiforgery));
_serializationProvider = serializationProvider ?? throw new ArgumentNullException(nameof(serializationProvider));
_captchaOptions = options == null ? throw new ArgumentNullException(nameof(options)) : options.Value;
}
/// <summary>
/// DNTCaptcha Api
/// </summary>
public DNTCaptchaApiProvider(
ICaptchaCryptoProvider captchaProtectionProvider,
IRandomNumberProvider randomNumberProvider,
Func <DisplayMode, ICaptchaTextProvider> captchaTextProvider,
ICaptchaStorageProvider captchaStorageProvider,
ISerializationProvider serializationProvider,
IHttpContextAccessor httpContextAccessor,
IUrlHelper urlHelper,
IOptions <DNTCaptchaOptions> options)
{
_captchaProtectionProvider = captchaProtectionProvider ?? throw new ArgumentNullException(nameof(captchaProtectionProvider));
_randomNumberProvider = randomNumberProvider ?? throw new ArgumentNullException(nameof(randomNumberProvider));
_captchaTextProvider = captchaTextProvider ?? throw new ArgumentNullException(nameof(captchaTextProvider));
_captchaStorageProvider = captchaStorageProvider ?? throw new ArgumentNullException(nameof(captchaStorageProvider));
_serializationProvider = serializationProvider ?? throw new ArgumentNullException(nameof(serializationProvider));
_httpContextAccessor = httpContextAccessor ?? throw new ArgumentNullException(nameof(httpContextAccessor));
_urlHelper = urlHelper ?? throw new ArgumentNullException(nameof(urlHelper));
_captchaOptions = options == null ? throw new ArgumentNullException(nameof(options)) : options.Value;
}