/**
* Sends HTTP Headers
*
* @return void
*/
private function _setHttpHeaders()
{
$filename = "";
$description = "";
$mimeType = "";
// Evaluate data upon export type request
switch ($this->type) {
case EXPORT_TYPE_DOCBOOK:
$filename = "phpmyfaq_docbook.xml";
$description = "phpMyFaq DocBook export file";
// http://www.docbook.org/specs/wd-docbook-docbook-4.5CR1.html#a.mimetype
$mimeType = "application/docbook+xml";
break;
case EXPORT_TYPE_PDF:
$filename = "phpmyfaq.pdf";
$description = "phpMyFaq PDF export file";
$mimeType = "application/pdf";
break;
case EXPORT_TYPE_XHTML:
$filename = "phpmyfaq.xhtml";
$description = "phpMyFaq XHTML export file";
$mimeType = "text/html";
// Why not: text/html or text/xml?
// See e.g.: http://www.hixie.ch/advocacy/xhtml
// Unfortunaltelly IE doesn't handle it correctly :(
// so currenctly we must use text/html as default.
// See e.g.: http://keystonewebsites.com/articles/mime_type.php
if (isset($_SERVER["HTTP_ACCEPT"]) && !(strpos($_SERVER["HTTP_ACCEPT"], "application/xhtml+xml") === false)) {
$mimeType = "application/xhtml+xml";
}
break;
case EXPORT_TYPE_XML:
$filename = "phpmyfaq.xml";
$description = "phpMyFaq XML export file";
$mimeType = "text/xml";
break;
// In this case no default statement is required:
// the one above is just for clean coding style
// In this case no default statement is required:
// the one above is just for clean coding style
default:
$filename = "phpmyfaq.pmf";
$description = "Generic file";
$mimeType = "application/octet-stream";
break;
}
// Set the correct HTTP headers:
// 1. Prevent proxies&browsers caching
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Expires: 0");
header("Cache-Control: private, no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
header("Pragma: no-cache");
// 2. Set the correct values for file streaming
header("Content-Type: " . $mimeType);
if ($this->disposition == self::HTTP_CONTENT_DISPOSITION_ATTACHMENT && isset($_SERVER["HTTP_USER_AGENT"]) && !(strpos($_SERVER["HTTP_USER_AGENT"], "MSIE") === false)) {
header("Content-Type: application/force-download");
}
// RFC2616, �19.5.1: $filename must be a quoted-string
header("Content-Disposition: " . $this->disposition . "; filename=\"" . PMF_Export::getExportTimestamp() . "_" . $filename . "\"");
if (!empty($description)) {
header("Content-Description: " . $description);
}
header("Content-Transfer-Encoding: binary");
// Deny partial downloads (opposite to: "Accept-Ranges: bytes")
header("Accept-Ranges: none");
header("Content-Length: " . $this->size);
}
/**
* Sends HTTP Headers
*
* @return void
*/
private function _setHttpHeaders()
{
$filename = $description = $mimeType = '';
// Evaluate data upon export type request
switch ($this->type) {
case 'pdf':
$filename = "phpmyfaq.pdf";
$description = "phpMyFaq PDF export file";
$mimeType = "application/pdf";
break;
case 'xhtml':
$filename = "phpmyfaq.xhtml";
$description = "phpMyFaq XHTML export file";
$mimeType = "text/html";
// Why not: text/html or text/xml?
// See e.g.: http://www.hixie.ch/advocacy/xhtml
// Unfortunaltelly IE doesn't handle it correctly :(
// so currenctly we must use text/html as default.
// See e.g.: http://keystonewebsites.com/articles/mime_type.php
if (isset($_SERVER["HTTP_ACCEPT"]) && !(strpos($_SERVER["HTTP_ACCEPT"], "application/xhtml+xml") === false)) {
$mimeType = "application/xhtml+xml";
}
break;
case 'xml':
$filename = "phpmyfaq.xml";
$description = "phpMyFaq XML export file";
$mimeType = "text/xml";
break;
case 'csv':
$filename = "phpmyfaq.csv";
$description = "phpMyFaq CSV export file";
$mimeType = "text/csv";
break;
// In this case no default statement is required:
// the one above is just for clean coding style
// In this case no default statement is required:
// the one above is just for clean coding style
default:
$filename = "phpmyfaq.pmf";
$description = "Generic file";
$mimeType = "application/octet-stream";
break;
}
// Set the correct HTTP headers:
// 1. Prevent proxies&browsers caching
$this->response->headers->set("Last-Modified", gmdate("D, d M Y H:i:s") . " GMT");
$this->response->headers->set("Expires", "0");
$this->response->headers->set("Cache-Control", "private, no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
$this->response->headers->set("Pragma", "no-cache");
// 2. Set the correct values for file streaming
if ($this->disposition == self::HTTP_CONTENT_DISPOSITION_ATTACHMENT && isset($_SERVER["HTTP_USER_AGENT"]) && !(strpos($_SERVER["HTTP_USER_AGENT"], "MSIE") === false)) {
$this->response->headers->set("Content-Type", "application/force-download");
} else {
$this->response->headers->set("Content-Type", $mimeType);
}
// RFC2616, �19.5.1: $filename must be a quoted-string
$this->response->headers->set("Content-Disposition", $this->disposition . "; filename=\"" . PMF_Export::getExportTimestamp() . "_" . $filename . "\"");
if (!empty($description)) {
$this->response->headers->set("Content-Description", $description);
}
$this->response->headers->set("Content-Transfer-Encoding", "binary");
$this->response->headers->set("Accept-Ranges", "none");
$this->response->headers->set("Content-Length", $this->size);
}
