How to simulate browser form POST method using PHP/cURL
I'm trying to simulate browser with POST method using PHP/cURL. When I looked at that live Http header it shows Content-Type: multipart/form-data .
I checked on the internet where it was suggested that cURL will send multipart/form-data when a custom headers is specified to Content-Type: multipart/form-data .
$headers = array(
'Content-Type' => 'multipart/form-data; boundary='.$boundary
);
This didn't work for me either when I print_r(curl_getinfo()) it showed
[content_type] => text/html; charset=UTF-8
Which means cURL sent a default headers
I also read that sending/uploading a file with cURL will cause data to be send as multipart/form-data . I created a file which curl uploaded but again when I ran curl_getinfo I got [content_type] => text/html; charset=UTF-8 [content_type] => text/html; charset=UTF-8
$data_array = array("field" => "@c:file_location.txt");
I also tried to read a file content so that the only thing sent would be content NOT ATTACHED FILE but this didn't work for me curl_getinfo shows [content_type] => text/html; charset=UTF-8 [content_type] => text/html; charset=UTF-8 .
$data_array = array("field" => "<c:file_location.txt"); // note @ replaced with <
Do I miss somthing here?
This is the referer
url
POST somepath HTTP/1.1 Host: www(dot)domain(dot)com User-Agent: Mozilla/5.0 (Windows) Gecko/13081217 Firefox/3 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-us,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 300 Connection: keep-alive Referer: url/some-file.php Content-Type: multipart/form-data; boundary=--------------------------$boundary Content-Length: $some_number ----------------------------$boundary Content-Disposition: form-data; name="$some_Value1" $some_text1 ----------------------------$boundary Content-Disposition: form-data; name="$some_Value2" $some_text2 ----------------------------$boundary Content-Disposition: form-data; name="$some_Value3" $some_text3 ----------------------------$boundary Content-Disposition: form-data; name="$some_Value4" $some_text4 ----------------------------$boundary Content-Disposition: form-data; name="$some_Value5" $some_text5 ----------------------------$boundary Content-Disposition: form-data; name="$some_Value6" $some_text6 ----------------------------$boundary Content-Disposition: form-data; name="$some_Value7" $some_text7 ----------------------------$boundary Content-Disposition: form-data; name="$some_Value8" $some_text8 ----------------------------$boundary Content-Disposition: form-data; name="$some_Value9" ----------------------------$boundary Content-Disposition: form-data; name="$some_Value10" ----------------------------$boundary--
Here is a piece of code.
<?
//Include files
set_time_limit(0);
include'body.php';
include'keyword.php';
include'bio.php';
include'summary.php';
include'headline.php';
include'category.php';
include'spin.php';
include'random-text.php';
$category = category();
$headline = headline() ;
$summary = summary();
$keyword = keyword();
$body = body();
$bio = bio();
$target="url";
$ref ="url_ref";
$c = "Content-Disposition: form-data; name=";
$boundary = "---------------------------".random_text();
$category = category();
$headline = headline() ;
$summary = summary();
$keyword = keyword();
$body = body();
$bio = bio();
// emulating content form as it appears on livehttp header
$data = "rn".$boundary."rn".$c.""pen_id"rnrn".$Auth_id."rn".$boundary."rn".$c.""cat_id"rnrn".category()."rn".$boundary."rn".$c.""title"rnrn".headline()."rn".$boundary."rn".$c.""meta_desc"rnrn".summary()."rn".$boundary."rn".$c.""meta_keys"rnrn".keyword()."rn".$boundary."rn".$c.""content"rnrn".body()."rn".$boundary."rn".$c.""author_bio"rnrn".bio()."rn".$boundary."rn".$c.""allow_comments"rnrnyrn".$boundary."rn".$c.""id"rnrnrn".$boundary."rn".$c.""action"rnrnrn".$boundary."--rn";
// inserting content into a file
$file = "C:file_path.txt";
$fh = fopen($file, 'w+') or die("Can't open file");
fwrite($fh,$data);
fclose($fh);
// pulling out content from a file as multipart/form-data
$data_array = array ("field" => "<C:file_path.txt");
$headers = array (
'POST /myhome/article/new HTTP/1.1',
'Host: url',
'User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.20) Gecko/20081217 Firefox/2.0.0.20 (.NET CLR 3.5.30729)',
'Accept: text/html,application/xhtml+xml,application/xml;q=0.9;q=0.8',
'Accept-Language: en-us,en;q=0.5',
'Accept-Encoding: gzip,deflate',
'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7',
'Keep-Alive: 300',
'Connection: keep-alive',
'Content-Type: multipart/form-data; boundary='.$boundary,
'Content-Length: '.strlen($data),
);
# Create the cURL session
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $target); // Define target site
curl_setopt($ch, CURLOPT_POST,1);
curl_setopt($ch, CURLOPT_HEADER, $headers); // No http head
//curl_setopt($ch, CURLOPT_REFERER, $ref);
curl_setopt($ch, CURLOPT_NOBODY, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); // Return page in string
curl_setopt($ch, CURLOPT_COOKIEJAR, "c:cookiecookies.txt"); // Tell cURL where to write
curl_setopt($ch, CURLOPT_COOKIEFILE, "c:cookiecookies.txt"); // Tell cURL which cookies
//curl_setopt($ch, CURLOPT_USERAGENT, $agent);
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_POSTFIELDS, "$data_array");
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE); // Follow redirects
curl_setopt($ch, CURLOPT_MAXREDIRS, 4);
# Execute the PHP/CURL session and echo the downloaded page
$page = curl_exec($ch);
$err = curl_error($ch);
$info =curl_getinfo($ch);
# Close the cURL session
curl_close($ch);
print_r($err);
print_r($info);
?>
You've not posted a coherent/consistent stream of code. Is the bit at the end what you expect to happen? Or something else?
You say "it didn't work" - sorry, but we need a lot more information to be able to help you diagnose the problem.
Was there an error message?
What are you trying to post the file to?
Does the receiving URL work with an HTTP form?
Can you provide an example of the form it works with?
Do you control the code at the receiving end?
How do you know it "doesn't work"?
Do you get an error message? If so, what?
The operation should be as simple as:
<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_URL, $THE_REMOTE_URL_YOU_ARE_POSTING_TO);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
"field" => "@c:file_location.txt", // note the double when used within double quotes
'a_number' => 12345.
'a_string' => "hello world"
));
$response = curl_exec($ch);
?>
The bad path might exaplin why curl_getinfo() is not telling you what you expect to see - looking at the actual data exchange might be a lot more helpful. C.
Try to use exec from PHP to call the COMMAND LINE VERSION OF CURL..
For Uploading a file, this did the trick for me..
Example: A Webform has an input box with name 'Filedata' used for uploading a file to their server And I want to upload myImage.jpg
So on a Linux commandline, (Assuming on in the folder of myImage.jpg )
curl -F "Filedata = @myImage.jpg;" 'http://siteyoursubmittingto.php'
If this works, you can call this from php using something like
exec ("curl -F 'Filedata = @myImage.jpg;' 'http://siteyoursubmittingto.php'");
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