Use Post Data Instead Of A Web Browser?

Feb 12, 2010

I am creating that will use Post Data instead of a web browser. I am new to post and this is my first time using it. I decided to go with something easy, and just make a program to auto login to Facebook. When I try it out it doesn't log me in. There are no errors or anything, just doesn't work. My code is below if anyone wouldn't mind checking it out to see what is wrong.

Imports System.Net
Imports System.IO
Imports System.Text[code]....



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Submit Post Data Using COM Browser?

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Hey everyone I am having some trouble figuring out how to submit post data using the axwebbrowser control.

here's what I'd like to do:

1. In the event of a captcha, an inputbox shows up and asks the user for the captcha.

2. Submit the data entered into the inputbox using the POST method.[code]....

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<table>
<tr>

[Code]....

i'm trying to do away with webbrowsers (IE required) from my vb project.

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I've code this code below:

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[Code]....

The MsgBox() at the end shows the response, which as I've added to my script, echos the result from the $user and $pass variables which are supposed to retrieve those details being written to the stream above, but they show up empty.

I'm retrieving those values by doing: $user = $_POST["user"]; $pass = $_POST["pass"];

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[code]....

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this is my code right now:

[Code]...

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Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim strRemoteHost As String
Dim strURLPath As String
Dim RemotePort As Integer

[code]....

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Here's my code

theRequest.Method = "POST"
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[code].....

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[Serializable]
public class MyClass
{ [SoapAttribute]

[code]....

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[Code]...

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I just re did my question and added a few other scripts needed to pull everything together This is the small script I am using to receive the post and push the data into the SQL Server (2008 if that matters):

[Code]....

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so for example, i have this PHP function, which writes to a file:

<?php
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[Code]....

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I can grab info from a website uing httpwebrequest but i don't know how to post to a form :/Ive always used a webbrowser for this but its a tad slow.Here is what i use with a webbrowser:

Dim DBSplit() As String = Split(TextBox5.Text, "/")
WebBrowser1.Document.GetElementById("email").SetAttribute("value", TextBox1.Text)
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[code]....

How would i post this data to a form using httpwebrequest?

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Here is what I have so far:
Public Function MultiUpload(ByRef data As String, ByRef url As String) As String
Dim request As HttpWebRequest = DirectCast(WebRequest.Create(url), HttpWebRequest)
request.Method = "POST"
WebRequest.Create("[URL]")
request.ContentType = "application/x-www-form-urlencoded"
Dim postData As String = data
request.ContentLength = PostData.Length
request.ContentLength = PostData.Length
End Function

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vbnet
Public Class zWrapper
#Region " Variable Declaration "
Private _AllowRedirects = True, _UseGZIP As Boolean = True

[Code]....

It works fine for GET requests, but when I try a POST, it errors: Quote:

A first chance exception of type 'System.NullReferenceException' occurred in WindowsApplication1.exe
Request Error: Object reference not set to an instance of an object.

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[Code]...

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<html>
<body>
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<form enctype="multipart/form-data"

[Code]....

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[code]...

Or can I set it up in pairs like: "var1=value1&var2=value2"...for all required form fields? What is the difference between the 2?

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Code:
sub website1(vars)
'login here
'post some data

[code].....

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Function GetPage(ByVal Url As String) As String
Dim CookieJar As New Net.CookieContainer
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Dim Data As Byte() = Nothing

[code]....

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EDIT: It was easier than I thought when you don't need to do it silent in the background.

PHP
WebBrowser1.Document.GetElementById("username").SetAttribute("Value", txtPassword.Text)WebBrowser1.Document.GetElementById("password").SetAttribute("Value", txtPassword.Text)

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<edit on 10th March 2010.>

Changed thread type to QUESTION. I was then able to mark AS ANSWER the relevent post which now also immediately follows this post and so it is easier to find as suggested by forum user j2associates .

<edit> It is also my 3rd post in this thread,  the 8th one up, of my posts,  from the bottom ( for now ), as the forum format has changed yet again.I will leave the rest of this post( as is ) purely for historical reasons. I have been on these forums long enough to see 3 forum changes. <edit> 19th May, 2010> Link added to a video on the next line of text.

[code]....

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