/**
*
* Prepares $this->_headers, $this->_cookies, and $this->content for the
* request.
*
* @return array A sequential array where element 0 is a URI object,
* element 1 is string of headers (including cookies), and element 2 is a
* string of content.
*
* @todo Only generate $content on POST and PUT?
*
*/
protected function _prepareRequest()
{
// get the URI
if (!$this->_uri) {
throw $this->_exception('ERR_NO_URI');
} else {
$uri = clone $this->_uri;
}
// what kind of request is this?
$is_get = $this->_method == Solar_Http_Request::METHOD_GET;
$is_post = $this->_method == Solar_Http_Request::METHOD_POST;
$is_put = $this->_method == Solar_Http_Request::METHOD_PUT;
// do we have any body content?
if (is_array($this->content) && ($is_post || $is_put)) {
// is a POST or PUT with a data array.
// convert from array and force the content-type.
$content = http_build_query($this->content);
$content_type = 'application/x-www-form-urlencoded';
} elseif (is_array($this->content) && $is_get) {
// is a GET with a data array.
// merge the content array to the cloned uri query params.
$uri->query = array_merge($uri->query, $this->content);
// now clear out the content
$content = null;
$content_type = null;
} elseif (is_string($this->content)) {
// honor as set by the user
$content = $this->content;
$content_type = $this->_content_type;
} else {
// no recognizable content
$content = null;
$content_type = null;
}
// get a list of the headers as they are now
$list = $this->_headers;
// force the content-type header if needed
if ($content_type) {
if ($this->_charset) {
$content_type .= "; charset={$this->_charset}";
}
$list['Content-Type'] = $content_type;
}
// auto-set the content-length
if ($this->_config['auto_set_length']) {
if ($content) {
$list['Content-Length'] = strlen($content);
} else {
unset($list['Content-Length']);
}
}
// force the user-agent header if needed
if ($this->_user_agent) {
$list['User-Agent'] = $this->_user_agent;
}
// force the referer if needed
if ($this->_referer) {
$list['Referer'] = $this->_referer->get(true);
}
// convert the list of all header values to a sequential array
$headers = array();
foreach ($list as $key => $set) {
settype($set, 'array');
foreach ($set as $val) {
$headers[] = Solar_Mime::headerLine($key, $val);
}
}
// create additional cookies in the headers array
if ($this->_cookies) {
$val = array();
foreach ($this->_cookies as $name => $data) {
$val[] = "{$name}=" . urlencode($data);
}
$headers[] = Solar_Mime::headerLine('Cookie', implode(';', $val));
}
// done!
return array($uri, $headers, $content);
}
