public void ComposePrivateMessage(string subject, string body, string to, string captchaId = "", string captchaAnswer = "")
{
if (User == null)
{
throw new Exception("User can not be null.");
}
var request = _webAgent.CreatePost(ComposeMessageUrl);
_webAgent.WritePostBody(request.GetRequestStream(), new
{
api_type = "json",
subject,
text = body,
to,
uh = User.Modhash,
iden = captchaId,
captcha = captchaAnswer
});
var response = request.GetResponse();
var result = _webAgent.GetResponseString(response.GetResponseStream());
var json = JObject.Parse(result);
ICaptchaSolver solver = CaptchaSolver; // Prevent race condition
if (json["json"]["errors"].Any() && json["json"]["errors"][0][0].ToString() == "BAD_CAPTCHA" && solver != null)
{
captchaId = json["json"]["captcha"].ToString();
CaptchaResponse captchaResponse = solver.HandleCaptcha(new Captcha(captchaId));
if (!captchaResponse.Cancel) // Keep trying until we are told to cancel
{
ComposePrivateMessage(subject, body, to, captchaId, captchaResponse.Answer);
}
}
}
private Post Submit(SubmitData data)
{
if (Reddit.User == null)
{
throw new RedditException("No user logged in.");
}
var request = WebAgent.CreatePost(SubmitLinkUrl);
WebAgent.WritePostBody(request.GetRequestStream(), data);
var json = WebAgent.ExecuteRequest(request);
ICaptchaSolver solver = Reddit.CaptchaSolver;
if (json["errors"].Any() && json["errors"][0][0].ToString() == "BAD_CAPTCHA" &&
solver != null)
{
data.Iden = json["captcha"].ToString();
CaptchaResponse captchaResponse = solver.HandleCaptcha(new Captcha(data.Iden));
// We throw exception due to this method being expected to return a valid Post object, but we cannot
// if we got a Captcha error.
if (captchaResponse.Cancel)
{
throw new CaptchaFailedException("Captcha verification failed when submitting " + data.Kind + " post");
}
data.Captcha = captchaResponse.Answer;
return(Submit(data));
}
return(new Post(Reddit, json, WebAgent));
}
public CaptchaResponse HandleCaptcha(Captcha captcha)
{
Console.WriteLine("Captcha required! The captcha ID is {0}", captcha.Id);
Console.WriteLine("You can find the captcha image at this url: {0}", captcha.Url);
Console.WriteLine("Please input your captcha response or empty string to cancel:");
var response = Console.ReadLine();
CaptchaResponse captchaResponse = new CaptchaResponse(string.IsNullOrEmpty(response) ? null : response);
return captchaResponse;
}
/// <summary>
///
/// Compose a private message.
/// </summary>
/// <param name="subject">message subject</param>
/// <param name="body">markdown body</param>
/// <param name="to">target author or subreddit</param>
/// <param name="fromSubReddit">The subreddit to send the message as (optional).</param>
/// <param name="captchaId"></param>
/// <param name="captchaAnswer"></param>
/// <remarks>If <paramref name="fromSubReddit"/> is passed in then the message is sent from the subreddit. the sender must be a mod of the specified subreddit.</remarks>
/// <exception cref="AuthenticationException">Thrown when a subreddit is passed in and the user is not a mod of that sub.</exception>
public void ComposePrivateMessage(string subject, string body, string to, string fromSubReddit = "", string captchaId = "", string captchaAnswer = "")
{
if (User == null)
{
throw new Exception("User can not be null.");
}
if (!string.IsNullOrWhiteSpace(fromSubReddit))
{
var subReddit = this.GetSubreddit(fromSubReddit);
var modNameList = subReddit.Moderators.Select(b => b.Name).ToList();
if (!modNameList.Contains(User.Name))
{
throw new AuthenticationException(
string.Format(
@"User {0} is not a moderator of subreddit {1}.",
User.Name,
subReddit.Name));
}
}
var request = WebAgent.CreatePost(ComposeMessageUrl);
WebAgent.WritePostBody(request.GetRequestStream(), new
{
api_type = "json",
subject,
text = body,
to,
from_sr = fromSubReddit,
uh = User.Modhash,
iden = captchaId,
captcha = captchaAnswer
});
var response = request.GetResponse();
var result = WebAgent.GetResponseString(response.GetResponseStream());
var json = JObject.Parse(result);
ICaptchaSolver solver = CaptchaSolver; // Prevent race condition
if (json["json"]["errors"].Any() && json["json"]["errors"][0][0].ToString() == "BAD_CAPTCHA" && solver != null)
{
captchaId = json["json"]["captcha"].ToString();
CaptchaResponse captchaResponse = solver.HandleCaptcha(new Captcha(captchaId));
if (!captchaResponse.Cancel) // Keep trying until we are told to cancel
{
ComposePrivateMessage(subject, body, to, fromSubReddit, captchaId, captchaResponse.Answer);
}
}
else if (json["json"]["errors"].Any())
{
throw new Exception("Error when composing message. Error: " + json["json"]["errors"][0][0].ToString());
}
}
public CaptchaResponse HandleCaptcha(Captcha captcha)
{
Console.WriteLine("Captcha required! The captcha ID is {0}", captcha.Id);
Console.WriteLine("You can find the captcha image at this url: {0}", captcha.Url);
Console.WriteLine("Please input your captcha response or empty string to cancel:");
var response = Console.ReadLine();
CaptchaResponse captchaResponse = new CaptchaResponse(string.IsNullOrEmpty(response) ? null : response);
return(captchaResponse);
}
private Post Submit(SubmitData data)
{
if (Reddit.User == null)
{
throw new RedditException("No user logged in.");
}
var request = WebAgent.CreatePost(SubmitLinkUrl);
WebAgent.WritePostBody(request.GetRequestStream(), data);
var response = request.GetResponse();
var result = WebAgent.GetResponseString(response.GetResponseStream());
var json = JToken.Parse(result);
ICaptchaSolver solver = Reddit.CaptchaSolver;
if (json["json"]["errors"].Any() && json["json"]["errors"][0][0].ToString() == "BAD_CAPTCHA" &&
solver != null)
{
data.Iden = json["json"]["captcha"].ToString();
CaptchaResponse captchaResponse = solver.HandleCaptcha(new Captcha(data.Iden));
// We throw exception due to this method being expected to return a valid Post object, but we cannot
// if we got a Captcha error.
if (captchaResponse.Cancel)
{
throw new CaptchaFailedException("Captcha verification failed when submitting " + data.Kind + " post");
}
data.Captcha = captchaResponse.Answer;
return(Submit(data));
}
else if (json["json"]["errors"].Any() && json["json"]["errors"][0][0].ToString() == "ALREADY_SUB")
{
throw new DuplicateLinkException(String.Format("Post failed when submitting. The following link has already been submitted: {0}", SubmitLinkUrl));
}
return(new Post(Reddit, json["json"], WebAgent));
}
