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feedwordpresshttpauthenticator.class.php
169 lines (143 loc) · 4.75 KB
/
feedwordpresshttpauthenticator.class.php
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<?php
class FeedWordPressHTTPAuthenticator {
var $args = array();
function __construct () {
add_filter('use_curl_transport', array($this, 'digest_do_it'), 2, 1000);
foreach (array('fsockopen', 'fopen', 'streams', 'http_extension') as $transport) :
add_filter("use_{$transport}_transport", array($this, 'digest_dont'), 2, 1000);
endforeach;
add_filter('pre_http_request', array($this, 'pre_http_request'), 10, 3);
add_action('http_api_curl', array($this, 'set_auth_options'), 1000, 3);
} /* FeedWordPressHTTPAuthenticator::__construct () */
function methods_available () {
$methods = array('-' => 'None');
if ($this->have_curl(array('authentication' => 'digest'))) :
$methods = array_merge(array(
'digest' => 'Digest',
), $methods);
endif;
if (
$this->have_curl(array('authentication' => 'basic'))
or $this->have_streams(array('authentication' => 'basic'))
) :
$methods = array_merge(array(
'basic' => 'Basic',
), $methods);
endif;
return $methods;
}
function pre_http_request ($pre, $args, $url) {
$this->args = wp_parse_args($args, array(
'authentication' => NULL,
'username' => NULL,
'password' => NULL,
));
// Ruh roh...
$auth = $this->args['authentication'];
if (is_null($auth) or (strlen($auth) == 0)) :
$this->args['authentication'] = '-';
endif;
switch ($this->args['authentication']) :
case '-' :
// No HTTP Auth method. Remove this stuff.
$this->args['authentication'] = NULL;
$this->args['username'] = NULL;
$this->args['password'] = NULL;
break;
case 'basic' :
if ($this->have_curl($args, $url)) :
// Don't need to do anything. http_api_curl hook takes care
// of it.
break;
elseif ($this->have_streams($args, $url)) :
// curl has a nice native way to jam in the username and
// passwd but streams and fsockopen do not. So we have to
// make a recursive call with the credentials in the URL.
// Wee ha!
$method = $this->args['authentication'];
$credentials = $this->args['username'];
if ( !is_null($this->args['password'])) :
$credentials .= ':'.$args['password'];
endif;
// Remove these so we don't recurse all the way down
unset($this->args['authentication']);
unset($this->args['username']);
unset($this->args['password']);
$url = preg_replace('!(https?://)!', '$1'.$credentials.'@', $url);
// Subsidiary request
$pre = wp_remote_request($url, $this->args);
break;
endif;
case 'digest' :
if ($this->have_curl($args, $url)) :
// Don't need to do anything. http_api_curl hook takes care
// of it.
break;
endif;
default :
if (is_callable('WP_Http', '_get_first_available_transport')) :
$trans = WP_Http::_get_first_available_transport($args, $url);
if ( ! $trans) :
$trans = WP_Http::_get_first_available_transport(array(), $url);
endif;
elseif (is_callable('WP_Http', '_getTransport')) :
$transports = WP_Http::_getTransport($args); // absolutely deprecated & removed. (gwyneth 20230920)
$trans = get_class(reset($transports));
else :
$trans = 'HTTP';
endif;
$pre = new WP_Error('http_request_failed',
sprintf(
__('%s cannot use %s authentication with the %s transport.'),
__CLASS__,
$args['authentication'],
$trans
)
);
endswitch;
return $pre;
} /* FeedWordPressHTTPAuthenticator::pre_http_request () */
function have_curl ($args, $url = NULL) {
return WP_Http_Curl::test($args);
}
function have_streams ($args, $url = NULL) {
return WP_Http_Streams::test($args);
}
function need_curl ($args) {
$args = wp_parse_args($args, array(
'authentication' => NULL,
));
switch ($args['authentication']) :
case 'digest' :
$use = true;
break;
default :
$use = false;
endswitch;
return $use;
} /* FeedWordPressHTTPAuthenticator::need_curl () */
function digest_do_it ($use, $args) {
return $this->if_curl($use, $args, true);
} /* FeedWordPerssHTTPAuthenticator::digest_do_it () */
function digest_dont ($use, $args) {
return $this->if_curl($use, $args, false);
} /* FeedWordPressHTTPAuthenticator::digest_dont () */
function if_curl ($use, $args, $what) {
if ($this->need_curl($args)) :
$use = $what;
endif;
return $use;
} /* FeedWordPressHTTPAuthenticator::if_curl () */
function set_auth_options ($handle, $r, $url) {
if ('digest'==$this->args['authentication']) :
curl_setopt($handle, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
endif;
if ( !is_null($this->args['username'])) :
$userPass = $this->args['username'];
if ( !is_null($this->args['password'])) :
$userPass .= ':'.$this->args['password'];
endif;
curl_setopt($handle, CURLOPT_USERPWD, $userPass);
endif;
} /* FeedWordPressHTTPAuthenticator::set_auth_options() */
} /* class FeedWordPressHTTPAuthenticator */