public string ComposePost(PostItems itemsForPost)
{
var outgoingQueryString = HttpUtility.ParseQueryString(String.Empty);
outgoingQueryString.Add("__EVENTTARGET", itemsForPost.EventTarget);
outgoingQueryString.Add("__EVENTARGUMENT", itemsForPost.EventArgument);
outgoingQueryString.Add("__VIEWSTATE", itemsForPost.ViewState);
outgoingQueryString.Add("__VIEWSTATEGENERATOR", itemsForPost.ViewStateGenerator);
outgoingQueryString.Add("__EVENTVALIDATION", itemsForPost.EventValidation);
outgoingQueryString.Add("ctl00$txtPalavraChave", itemsForPost.PalavraChave);
outgoingQueryString.Add("ctl00$ContentPlaceHolder1$txtChaveAcessoCompleta", itemsForPost.ChaveAcessoCompleta);
outgoingQueryString.Add("ctl00$ContentPlaceHolder1$txtCaptcha", itemsForPost.Captcha);
outgoingQueryString.Add("ctl00$ContentPlaceHolder1$btnConsultar", itemsForPost.BtnConsultar);
outgoingQueryString.Add("ctl00$ContentPlaceHolder1$token", itemsForPost.Token);
outgoingQueryString.Add("ctl00$ContentPlaceHolder1$captchaSom", itemsForPost.CaptchaSom);
outgoingQueryString.Add("hiddenInputToUpdateATBuffer_CommonToolkitScripts", itemsForPost.CommomToolkitScripts);
return outgoingQueryString.ToString();
}
public string ComposePost(PostItems itemsForPost)
{
var outgoingQueryString = HttpUtility.ParseQueryString(String.Empty);
outgoingQueryString.Add("__EVENTTARGET", itemsForPost.EventTarget);
outgoingQueryString.Add("__EVENTARGUMENT", itemsForPost.EventArgument);
outgoingQueryString.Add("__VIEWSTATE", itemsForPost.ViewState);
outgoingQueryString.Add("__VIEWSTATEGENERATOR", itemsForPost.ViewStateGenerator);
outgoingQueryString.Add("__EVENTVALIDATION", itemsForPost.EventValidation);
outgoingQueryString.Add("ctl00$txtPalavraChave", itemsForPost.PalavraChave);
outgoingQueryString.Add("ctl00$ContentPlaceHolder1$txtChaveAcessoCompleta", itemsForPost.ChaveAcessoCompleta);
outgoingQueryString.Add("ctl00$ContentPlaceHolder1$txtCaptcha", itemsForPost.Captcha);
outgoingQueryString.Add("ctl00$ContentPlaceHolder1$btnConsultar", itemsForPost.BtnConsultar);
outgoingQueryString.Add("ctl00$ContentPlaceHolder1$token", itemsForPost.Token);
outgoingQueryString.Add("ctl00$ContentPlaceHolder1$captchaSom", itemsForPost.CaptchaSom);
outgoingQueryString.Add("hiddenInputToUpdateATBuffer_CommonToolkitScripts", itemsForPost.CommomToolkitScripts);
return(outgoingQueryString.ToString());
}
public void ValidatePost(PostItems itemsForPost)
{
if (!string.IsNullOrWhiteSpace(itemsForPost.EventTarget))
{
throw new InvalidOperationException("__EVENTTARGET deve ser vazio!");
}
if (!string.IsNullOrWhiteSpace(itemsForPost.EventArgument))
{
throw new InvalidOperationException("__EVENTARGUMENT deve ser vazio!");
}
if (string.IsNullOrWhiteSpace(itemsForPost.ViewState))
{
throw new InvalidOperationException("__VIEWSTATE deve possuir um valor!");
}
if (string.IsNullOrWhiteSpace(itemsForPost.EventValidation))
{
throw new InvalidOperationException("__EVENTVALIDATION deve possuir um valor!");
}
if (!string.IsNullOrWhiteSpace(itemsForPost.PalavraChave))
{
throw new InvalidOperationException("ctl00$txtPalavraChave deve ser vazia!");
}
if (string.IsNullOrWhiteSpace(itemsForPost.ChaveAcessoCompleta))
{
throw new InvalidOperationException("A chave de acesso não foi informada!");
}
if (string.IsNullOrWhiteSpace(itemsForPost.Captcha))
{
throw new InvalidOperationException("O captcha não foi informado!");
}
if (itemsForPost.CommomToolkitScripts != "1")
{
throw new InvalidOperationException("hiddenInputToUpdateATBuffer_CommonToolkitScripts possui um valor inválido.");
}
}
public void ValidatePost(PostItems itemsForPost)
{
if (!string.IsNullOrWhiteSpace(itemsForPost.EventTarget))
{
throw new InvalidOperationException("__EVENTTARGET deve ser vazio!");
}
if (!string.IsNullOrWhiteSpace(itemsForPost.EventArgument))
{
throw new InvalidOperationException("__EVENTARGUMENT deve ser vazio!");
}
if (string.IsNullOrWhiteSpace(itemsForPost.ViewState))
{
throw new InvalidOperationException("__VIEWSTATE deve possuir um valor!");
}
if (string.IsNullOrWhiteSpace(itemsForPost.EventValidation))
{
throw new InvalidOperationException("__EVENTVALIDATION deve possuir um valor!");
}
if (!string.IsNullOrWhiteSpace(itemsForPost.PalavraChave))
{
throw new InvalidOperationException("ctl00$txtPalavraChave deve ser vazia!");
}
if (string.IsNullOrWhiteSpace(itemsForPost.ChaveAcessoCompleta))
{
throw new InvalidOperationException("A chave de acesso não foi informada!");
}
if (string.IsNullOrWhiteSpace(itemsForPost.Captcha))
{
throw new InvalidOperationException("O captcha não foi informado!");
}
if (itemsForPost.CommomToolkitScripts != "1")
{
throw new InvalidOperationException("hiddenInputToUpdateATBuffer_CommonToolkitScripts possui um valor inválido.");
}
}
public DownloadedHtmlData Post(PostItems itemsForPost)
{
ValidatePost(itemsForPost);
var postData = ComposePost(itemsForPost);
byte[] byteArray = Encoding.UTF8.GetBytes(postData);
var request = (HttpWebRequest)WebRequest.Create("http://www.nfe.fazenda.gov.br/portal/consulta.aspx?tipoConsulta=completa&tipoConteudo=XbSeqxE8pl8=");
request.CookieContainer = sessionCookie;
request.UserAgent = UserAgent;
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = byteArray.Length;
var dataStream = request.GetRequestStream();
dataStream.Write(byteArray, 0, byteArray.Length);
dataStream.Close();
var pageResponse = request.GetResponse();
var docUserWebPage = new HtmlDocument();
docUserWebPage.Load(pageResponse.GetResponseStream());
var documentText = docUserWebPage.DocumentNode.InnerHtml;
if (documentText.Contains("Código da Imagem inválido."))
{
throw new InvalidDataException("Código da Imagem inválido. Tente novamente.");
}
if (documentText.Contains("NF-e INEXISTENTE na base nacional"))
{
throw new InvalidDataException("NF-e INEXISTENTE na base nacional.");
}
var printRequest = (HttpWebRequest)WebRequest.Create("http://www.nfe.fazenda.gov.br/portal/consultaImpressao.aspx?tipoConsulta=completa");
printRequest.CookieContainer = sessionCookie;
printRequest.UserAgent = UserAgent;
printRequest.ContentType = "application/x-www-form-urlencoded";
var printResponse = printRequest.GetResponse();
var printResponseStream = printResponse.GetResponseStream();
var printUserPage = new HtmlDocument();
printUserPage.Load(printResponseStream);
var result = new DownloadedHtmlData();
var spanChaveAcesso = printUserPage.GetElementbyId("lblChaveAcesso");
Check(spanChaveAcesso);
result.ChaveAcessso = spanChaveAcesso.InnerText.Trim();
result.DadosNfe = GetDataItems(printUserPage, "NFe");
var operationScience = printUserPage.DocumentNode.Descendants().Where(e => e.Id.Contains("CienciaOperacao")).ToList();
var scienceOperationsList = operationScience.Select(science => GetDataItems(printUserPage, science.Id)).ToList();
result.ScienceOperations = scienceOperationsList;
result.DadosEmitente = GetDataItems(printUserPage, "Emitente");
result.DadosDestinatario = GetDataItems(printUserPage, "DestRem");
result.Products = GetProducts(printUserPage);
result.Totais = GetDataItems(printUserPage, "Totais");
result.DadosTransporte = GetDataItems(printUserPage, "Transporte");
result.DadosCobranca = GetDataItems(printUserPage, "Cobranca");
result.InformacoesAdicionais = GetDataItems(printUserPage, "Inf");
result.NotaFiscalAvulsa = GetDataItems(printUserPage, "Avulsa");
return result;
}
public PostItems GetItemsForPost()
{
////Get items for post
var request = (HttpWebRequest)WebRequest.Create("http://www.nfe.fazenda.gov.br/portal/consulta.aspx?tipoConsulta=completa&tipoConteudo=XbSeqxE8pl8=");
sessionCookie = new CookieContainer();
request.CookieContainer = sessionCookie;
request.UserAgent = UserAgent;
var response = request.GetResponse();
var responseStream = response.GetResponseStream();
var doc = new HtmlDocument();
doc.Load(responseStream);
var itemsForPost = new PostItems
{
EventTarget = string.Empty,
EventArgument = string.Empty,
PalavraChave = string.Empty
};
var formElement = doc.GetElementbyId("aspnetForm");
if (formElement != null)
{
itemsForPost.FormAction = formElement.GetAttributeValue("action", "nodata");
}
else
{
throw new InvalidOperationException("Resposta sem um formulário web.");
}
var capcthElement = doc.GetElementbyId("ContentPlaceHolder1_imgCaptcha");
if (capcthElement != null)
itemsForPost.Base64Image = capcthElement.GetAttributeValue("src", "nosrc");
var viewStateElement = doc.GetElementbyId("__VIEWSTATE");
if (viewStateElement != null)
itemsForPost.ViewState = viewStateElement.GetAttributeValue("value", "novalue");
var viewStateGeneratorElement = doc.GetElementbyId("__VIEWSTATEGENERATOR");
if (viewStateGeneratorElement != null)
itemsForPost.ViewStateGenerator = viewStateGeneratorElement.GetAttributeValue("value", "novalue");
var eventValidationElement = doc.GetElementbyId("__EVENTVALIDATION");
if (eventValidationElement != null)
itemsForPost.EventValidation = eventValidationElement.GetAttributeValue("value", "novalue");
itemsForPost.BtnConsultar = "Continuar";
var eventTokenElement = doc.GetElementbyId("ContentPlaceHolder1_token");
if (eventTokenElement != null)
itemsForPost.Token = eventTokenElement.GetAttributeValue("value", "novalue");
var captchaSomElement = doc.GetElementbyId("ContentPlaceHolder1_captchaSom");
if (captchaSomElement != null)
itemsForPost.CaptchaSom = captchaSomElement.GetAttributeValue("value", "novalue");
itemsForPost.CommomToolkitScripts = "1";
return itemsForPost;
}
public PostItems GetItemsForPost()
{
////Get items for post
var request = (HttpWebRequest)WebRequest.Create("http://www.nfe.fazenda.gov.br/portal/consulta.aspx?tipoConsulta=completa&tipoConteudo=XbSeqxE8pl8=");
sessionCookie = new CookieContainer();
request.CookieContainer = sessionCookie;
request.UserAgent = UserAgent;
var response = request.GetResponse();
var responseStream = response.GetResponseStream();
var doc = new HtmlDocument();
doc.Load(responseStream);
var itemsForPost = new PostItems
{
EventTarget = string.Empty,
EventArgument = string.Empty,
PalavraChave = string.Empty
};
var formElement = doc.GetElementbyId("aspnetForm");
if (formElement != null)
{
itemsForPost.FormAction = formElement.GetAttributeValue("action", "nodata");
}
else
{
throw new InvalidOperationException("Resposta sem um formulário web.");
}
var capcthElement = doc.GetElementbyId("ContentPlaceHolder1_imgCaptcha");
if (capcthElement != null)
{
itemsForPost.Base64Image = capcthElement.GetAttributeValue("src", "nosrc");
}
var viewStateElement = doc.GetElementbyId("__VIEWSTATE");
if (viewStateElement != null)
{
itemsForPost.ViewState = viewStateElement.GetAttributeValue("value", "novalue");
}
var viewStateGeneratorElement = doc.GetElementbyId("__VIEWSTATEGENERATOR");
if (viewStateGeneratorElement != null)
{
itemsForPost.ViewStateGenerator = viewStateGeneratorElement.GetAttributeValue("value", "novalue");
}
var eventValidationElement = doc.GetElementbyId("__EVENTVALIDATION");
if (eventValidationElement != null)
{
itemsForPost.EventValidation = eventValidationElement.GetAttributeValue("value", "novalue");
}
itemsForPost.BtnConsultar = "Continuar";
var eventTokenElement = doc.GetElementbyId("ContentPlaceHolder1_token");
if (eventTokenElement != null)
{
itemsForPost.Token = eventTokenElement.GetAttributeValue("value", "novalue");
}
var captchaSomElement = doc.GetElementbyId("ContentPlaceHolder1_captchaSom");
if (captchaSomElement != null)
{
itemsForPost.CaptchaSom = captchaSomElement.GetAttributeValue("value", "novalue");
}
itemsForPost.CommomToolkitScripts = "1";
return(itemsForPost);
}
public DownloadedHtmlData Post(PostItems itemsForPost)
{
ValidatePost(itemsForPost);
var postData = ComposePost(itemsForPost);
byte[] byteArray = Encoding.UTF8.GetBytes(postData);
var request = (HttpWebRequest)WebRequest.Create("http://www.nfe.fazenda.gov.br/portal/consulta.aspx?tipoConsulta=completa&tipoConteudo=XbSeqxE8pl8=");
request.CookieContainer = sessionCookie;
request.UserAgent = UserAgent;
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = byteArray.Length;
var dataStream = request.GetRequestStream();
dataStream.Write(byteArray, 0, byteArray.Length);
dataStream.Close();
var pageResponse = request.GetResponse();
var docUserWebPage = new HtmlDocument();
docUserWebPage.Load(pageResponse.GetResponseStream());
var documentText = docUserWebPage.DocumentNode.InnerHtml;
if (documentText.Contains("Código da Imagem inválido."))
{
throw new InvalidDataException("Código da Imagem inválido. Tente novamente.");
}
if (documentText.Contains("NF-e INEXISTENTE na base nacional"))
{
throw new InvalidDataException("NF-e INEXISTENTE na base nacional.");
}
var printRequest = (HttpWebRequest)WebRequest.Create("http://www.nfe.fazenda.gov.br/portal/consultaImpressao.aspx?tipoConsulta=completa");
printRequest.CookieContainer = sessionCookie;
printRequest.UserAgent = UserAgent;
printRequest.ContentType = "application/x-www-form-urlencoded";
var printResponse = printRequest.GetResponse();
var printResponseStream = printResponse.GetResponseStream();
var printUserPage = new HtmlDocument();
printUserPage.Load(printResponseStream);
var result = new DownloadedHtmlData();
var spanChaveAcesso = printUserPage.GetElementbyId("lblChaveAcesso");
Check(spanChaveAcesso);
result.ChaveAcessso = spanChaveAcesso.InnerText.Trim();
result.DadosNfe = GetDataItems(printUserPage, "NFe");
var operationScience = printUserPage.DocumentNode.Descendants().Where(e => e.Id.Contains("CienciaOperacao")).ToList();
var scienceOperationsList = operationScience.Select(science => GetDataItems(printUserPage, science.Id)).ToList();
result.ScienceOperations = scienceOperationsList;
result.DadosEmitente = GetDataItems(printUserPage, "Emitente");
result.DadosDestinatario = GetDataItems(printUserPage, "DestRem");
result.Products = GetProducts(printUserPage);
result.Totais = GetDataItems(printUserPage, "Totais");
result.DadosTransporte = GetDataItems(printUserPage, "Transporte");
result.DadosCobranca = GetDataItems(printUserPage, "Cobranca");
result.InformacoesAdicionais = GetDataItems(printUserPage, "Inf");
result.NotaFiscalAvulsa = GetDataItems(printUserPage, "Avulsa");
return(result);
}
private void UpdateForm(PostItems itemsForPost)
{
var normalizedBase64Img = itemsForPost.Base64Image.Replace("data:image/png;base64,", string.Empty);
captchaPictureBox.Image = Helpers.Base64StringToBitmap(normalizedBase64Img);
}
private void InitializeForPost()
{
postItems = helper.GetItemsForPost();
UpdateForm(postItems);
}