How to upload an html form containing a pdf file from an extension written in JavaScript to a URL?

i need send form adobe illustrator extension url.

previously using c++ write plugin same functionality indesign.

 

to implement extension photoshop , illustrator used html5 ui, jquery, angularjs implement functionalities of extension.

now need send pdf url in form of html form.

 

we using curl c++ purpose. can use js same here?

 

i tried use ajax turned out cannot make cross-domain call it, , extension doesn't have domain name or ip or anything. extension running photoshop , illustrator , need upload form (containing pdf) url.

how can it?

 

any appreciated. have added c++ code function below.

 

	bool wpconnection::uploadpdftoserver( const char* pdfpath, const char* urlinfo )
	{

    bool16 uploadstatus = false;

 

    try // abhishek

    {

	// url
	char connectionurl[256] = {0};

 

	// update project panel tree
	const char* username = g_wpdetailsvector.at(0).c_str();
	const char* password = g_wpdetailsvector.at(1).c_str();
	const char* projectid = g_wpdetailsvector.at(2).c_str();
	const char* statusid = g_wpdetailsvector.at(3).c_str();
	const char* pagenumber = g_wpdetailsvector.at(4).c_str();

 

	strcpy(connectionurl, urlinfo);
	strcat(connectionurl, "/indd_filetransfer.asp?");
	strcat(connectionurl, "username=");
	strcat(connectionurl, username);
	strcat(connectionurl, "&password=");
	strcat(connectionurl, password);
	strcat(connectionurl, "&project_id=");
	strcat(connectionurl, projectid);
	strcat(connectionurl, "&status_id=");
	strcat(connectionurl, statusid);
	strcat(connectionurl, "&item_numbers=");
	strcat(connectionurl, pagenumber);

 

	curlcode result = curle_failed_init;
	struct curl_httppost *formpost=null;
	struct curl_httppost *lastptr=null;
	curl_formadd(&formpost,
				&lastptr,
				curlform_copyname, "file",
				curlform_file, pdfpath,
				curlform_contenttype, "pdf",
				curlform_end);

 

	if(fcurl)
	{
	// clearing connection info
		this->clearconnectioninfo();
	//set options curl easy handle
		curl_easy_setopt(fcurl, curlopt_url, connectionurl);
		curl_easy_setopt(fcurl, curlopt_httppost, formpost);
		result = curl_easy_setopt (fcurl, curlopt_noprogress, false);
		result = curl_easy_setopt (fcurl, curlopt_progressfunction, progress_callback);
		//don't verify peer.
		curl_easy_setopt(fcurl, curlopt_ssl_verifypeer, false);
	//use proxy information
		if( g_useproxy == ktrue )
		{
			curl_easy_setopt( fcurl, curlopt_proxy, g_wpdetailsvector.at(5).c_str() );
			if( g_proxyauthentication == ktrue )
			{
				curl_easy_setopt( fcurl, curlopt_proxyuserpwd, g_wpdetailsvector.at(6).c_str() );
			}
		}

 

		result = curl_easy_perform(fcurl);
		this->getconnectioninfo(fcurl);

 

		curl_formfree(formpost);
	}

 

	if( (result == curle_ok) && (fhttpstatus == 200) /*&& (fresponsestatus == -1)*/)
	{
		g_uploadpercent = 100;
		uploadstatus = true;
	}
	else
	{
		g_uploaderror = true;
	}

    }

    catch(...)

    {

g_uploaderror = true;

    }

 

    return uploadstatus;

}

can't use standard html form upload page action?

 

<form method="post" enctype="multipart/form-data" action="http://www.mysite.com/upload.php">

<input name="pdf_file" type="file" />

<input type="submit" />

</form>

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