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POUploading a file with cURL by using POST returns error "Bad Request (Invalid Number)"
 

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  1. POUploading a file with cURL by using POST returns error "Bad Request (Invalid Number)"
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    <p>I am attempting to upload a file using php to a website that allows files to be uploaded through a form. When I try to run the code, I get a "Bad Request (Invalid Number)" error. Then when I enabled the cURL to fail on error with <code>CURLOPT_FAILONERROR</code> I get a "400 error". I think I've typed in everything correctly, I've downloaded files from the same website on a similar form they have.</p> <pre><code>$Submitted_ImportFile = realpath($Submitted_ImportFile); $postdata = array( 'NOSAVE___Form_Submission_Token' =&gt; $NOSAVE___Form_Submission_Token, 'import_type' =&gt; $import_type, 'span_Customers_BillingAddresses' =&gt; $Customers_BillingAddresses, 'span_Customers_ShippingAddresses' =&gt; $Customers_ShippingAddresses, 'span_TrackingNumbers_status' =&gt; $TrackingNumbers_status, 'span_TrackingNumbers_email' =&gt; $TrackingNumbers_email, 'Submitted_ImportFile' =&gt; '@'.$Submitted_ImportFile, 'OVERWRITE' =&gt; $OVERWRITE, 'Submit' =&gt; 'Upload my files' ); foreach ($postdata as $key =&gt; $value) { if (strlen($value) &lt; 1) { unset($postdata[$key]); }; }; // $postdata_encoded = http_build_query($postdata).'&amp;Submitted_ImportFile=@'.$Submitted_ImportFile; $ch = curl_init(); curl_setopt ($ch, CURLOPT_URL, $url.'admin/db_import.asp?UploadID='.$UploadID); curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt ($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0'); curl_setopt ($ch, CURLOPT_TIMEOUT, 60); curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1); curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt ($ch, CURLOPT_COOKIEJAR, $cookie); curl_setopt ($ch, CURLOPT_REFERER, $url); // curl_setopt ($ch,CURLOPT_FAILONERROR, true); // Temporarly added to diagnose issue curl_setopt ($ch, CURLOPT_POSTFIELDS, $postdata); curl_setopt ($ch, CURLOPT_POST, 1); $output = curl_exec ($ch); // $error = curl_error($ch); // Returns a 400 error </code></pre> <p>Here is the array containing all the POST data that is sent:</p> <pre><code>Array ( [NOSAVE___Form_Submission_Token] =&gt; 0D047D55CF3644818EBFEEEF607AD65D [import_type] =&gt; Customers [Submitted_ImportFile] =&gt; @/home/kudchcx/public_html/alpha_test/Customers_test.csv [OVERWRITE] =&gt; Y [Submit] =&gt; Upload my files ) </code></pre> <p>I've checked the website forms and used javascript to make sure I have all the necessary fields. I am at a loss for this issue.</p>
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    1. USJack Cole
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    1. COAre you doing a separate CURL call to log into the site (and save the cookies into the Cookie Jar) before trying to upload this file? Also, are you able to do a plain old GET call to admin/db_import.asp and have it give you the HTML properly? (that will verify your cookies are correct)
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      1. POUploading a file with cURL by using POST returns error "Bad Request (Invalid Number)"
      1. USAdam Albright
    2. COYes. I also discovered this is an error remote side, not my side. Somehow my data isn't been sent the same way as when I do it in a browser. I suspect either the header for the POST is different, or the information regarding the file I'm sending is different (mimetype, or something).
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      1. POUploading a file with cURL by using POST returns error "Bad Request (Invalid Number)"
      1. USJack Cole
    3. COSo it turns out when setting the post options through an array, you have to have `CURLOPT_POST` come first. But then I kept on getting the login sreen, and it turned out my Cookie parameter was `CURLOPT_COOKIEJAR` when it should have been `CURLOPT_COOKIEFILE`, so it was resetting the cookie every time. Everything works now. Thanks for the cookie fix.
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      1. POUploading a file with cURL by using POST returns error "Bad Request (Invalid Number)"
      1. USJack Cole
 

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