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  1. POHow to simulate browser form POST method using PHP/cURL
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    <p>I'm trying to simulate browser with <code>POST</code> method using PHP/cURL. When I looked at that live Http header it shows <code>Content-Type: multipart/form-data</code>. </p> <p>I checked on the internet where it was suggested that cURL will send <code>multipart/form-data</code> when a custom headers is specified to <code>Content-Type: multipart/form-data</code>. </p> <pre><code>$headers = array( 'Content-Type' =&gt; 'multipart/form-data; boundary='.$boundary ); </code></pre> <p>This didn't work for me either when I print_r(curl_getinfo()) it showed </p> <pre><code>[content_type] =&gt; text/html; charset=UTF-8 </code></pre> <p>Which means cURL sent a default headers</p> <p>I also read that sending/uploading a file with cURL will cause data to be send as <code>multipart/form-data</code>. I created a file which curl uploaded but again when I ran <code>curl_getinfo</code> I got <code>[content_type] =&gt; text/html; charset=UTF-8</code></p> <pre><code>$data_array = array("field" =&gt; "@c:\file_location.txt"); </code></pre> <p>I also tried to read a file content so that the only thing sent would be content NOT ATTACHED FILE but this didn't work for me curl_getinfo shows <code>[content_type] =&gt; text/html; charset=UTF-8</code>.</p> <pre><code>$data_array = array("field" =&gt; "&lt;c:\file_location.txt"); // note @ replaced with &lt; </code></pre> <p>Do I miss somthing here?</p> <p>This is the referer</p> <p>url</p> <pre> 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-- </pre> <p>Here is a piece of code.</p> <pre><code>&lt;? //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 $data = "\r\n".$boundary."\r\n".$c."\"pen_id\"\r\n\r\n".$Auth_id."\r\n".$boundary."\r\n".$c."\"cat_id\"\r\n\r\n".category()."\r\n".$boundary."\r\n".$c."\"title\"\r\n\r\n".headline()."\r\n".$boundary."\r\n".$c."\"meta_desc\"\r\n\r\n".summary()."\r\n".$boundary."\r\n".$c."\"meta_keys\"\r\n\r\n".keyword()."\r\n".$boundary."\r\n".$c."\"content\"\r\n\r\n".body()."\r\n".$boundary."\r\n".$c."\"author_bio\"\r\n\r\n".bio()."\r\n".$boundary."\r\n".$c."\"allow_comments\"\r\n\r\ny\r\n".$boundary."\r\n".$c."\"id\"\r\n\r\n\r\n".$boundary."\r\n".$c."\"action\"\r\n\r\n\r\n".$boundary."--\r\n"; // 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" =&gt; "&lt;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:\cookie\cookies.txt"); // Tell cURL where to write curl_setopt($ch, CURLOPT_COOKIEFILE, "c:\cookie\cookies.txt"); // Tell cURL which cookies //curl_setopt($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); ?&gt; </code></pre>
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