function pkwk_session_start()
{
global $use_trans_sid_address;
static $use_session;
if (!isset($use_session)) {
$use_session = intval(PLUS_ALLOW_SESSION);
if ($use_session > 0) {
if (!is_array($use_trans_sid_address)) {
$use_trans_sid_address = array();
}
if (in_the_net($use_trans_sid_address, $_SERVER['REMOTE_ADDR'])) {
ini_set('session.use_cookies', 0);
} else {
ini_set('session.use_cookies', 1);
ini_set('session.use_only_cookies', 1);
}
session_name('pukiwiki');
@session_start();
if (ini_get('session.use_cookies') == 0 && ini_get('session.use_trans_sid') == 0) {
output_add_rewrite_var(session_name(), session_id());
}
}
}
return $use_session;
}
function http_req($url, $params = array())
{
//init params
$config = array('method' => 'GET', 'headers' => '', 'post' => array(), 'redirect_max' => 2, 'content_charset' => '', 'ua' => 'PHPScript', 'proxy_host' => '', 'no_proxy' => array('localhost', '127.0.0.0/8', '10.0.0.0/8', '172.16.0.0/12', '192.168.0.0/16', 'no-proxy.com'), 'use_proxy' => FALSE, 'proxy_port' => '', 'need_proxy_auth' => 'FALSE', 'proxy_auth_user' => '', 'proxy_auth_pass' => '');
//update
foreach ($config as $key => $val) {
if (isset($params[$key])) {
$config[$key] = $params[$key];
}
}
//make local values
extract($config);
if ($proxy_host != '') {
if (!preg_match('#^[a-z]+://#', $proxy_host)) {
$proxy_host = 'http://' . $proxy_host;
}
$proxy_params = parse_url($proxy_host);
$proxy_host = $proxy_params['host'];
$use_proxy = TRUE;
$proxy_port = isset($proxy_params['port']) ? $proxy_params['port'] : '8080';
$need_proxy_auth = isset($proxy_params['user']);
$proxy_auth_user = isset($proxy_params['user']) ? $proxy_params['user'] : '';
$proxy_auth_pass = isset($proxy_params['pass']) ? $proxy_params['pass'] : '';
}
// var_dump($method, $headers, $post, $redirect_max, $content_charset, $ua);
// var_dump($proxy_host, $use_proxy, $proxy_port, $need_proxy_auth, $proxy_auth_user, $proxy_auth_pass);
$rc = array();
$arr = parse_url($url);
$via_proxy = $use_proxy ? !in_the_net($no_proxy, $arr['host']) : FALSE;
// query
$arr['query'] = isset($arr['query']) ? '?' . $arr['query'] : '';
// port
$arr['port'] = isset($arr['port']) ? $arr['port'] : 80;
$url_base = $arr['scheme'] . '://' . $arr['host'] . ':' . $arr['port'];
$url_path = isset($arr['path']) ? $arr['path'] : '/';
$url = ($via_proxy ? $url_base : '') . $url_path . $arr['query'];
$query = $method . ' ' . $url . ' HTTP/1.0' . "\r\n";
$query .= 'Host: ' . $arr['host'] . "\r\n";
$query .= 'User-Agent: ' . $ua . "\r\n";
// Basic-auth for HTTP proxy server
if ($need_proxy_auth && isset($proxy_auth_user) && isset($proxy_auth_pass)) {
$query .= 'Proxy-Authorization: Basic ' . base64_encode($proxy_auth_user . ':' . $proxy_auth_pass) . "\r\n";
}
// (Normal) Basic-auth for remote host
if (isset($arr['user']) && isset($arr['pass'])) {
$query .= 'Authorization: Basic ' . base64_encode($arr['user'] . ':' . $arr['pass']) . "\r\n";
}
$query .= $headers;
if (strtoupper($method) == 'POST') {
// 'application/x-www-form-urlencoded', especially for TrackBack ping
$POST = array();
foreach ($post as $name => $val) {
$POST[] = $name . '=' . urlencode($val);
}
$data = join('&', $POST);
if (preg_match('/^[a-zA-Z0-9_-]+$/', $content_charset)) {
// Legacy but simple
$query .= 'Content-Type: application/x-www-form-urlencoded' . "\r\n";
} else {
// With charset (NOTE: Some implementation may hate this)
$query .= 'Content-Type: application/x-www-form-urlencoded' . '; charset=' . strtolower($content_charset) . "\r\n";
}
$query .= 'Content-Length: ' . strlen($data) . "\r\n";
$query .= "\r\n";
$query .= $data;
} else {
$query .= "\r\n";
}
$errno = 0;
$errstr = '';
$fp = fsockopen($via_proxy ? $proxy_host : $arr['host'], $via_proxy ? $proxy_port : $arr['port'], $errno, $errstr, 30);
if ($fp === FALSE) {
return array('query' => $query, 'rc' => $errno, 'header' => '', 'data' => $errstr);
}
fputs($fp, $query);
$response = '';
while (!feof($fp)) {
$response .= fread($fp, 4096);
}
fclose($fp);
$resp = explode("\r\n\r\n", $response, 2);
$rccd = explode(' ', $resp[0], 3);
// array('HTTP/1.1', '200', 'OK\r\n...')
$rc = (int) $rccd[1];
switch ($rc) {
case 301:
// Moved Permanently
// Moved Permanently
case 302:
// Moved Temporarily
$matches = array();
if (preg_match('/^Location: (.+)$/m', $resp[0], $matches) && --$redirect_max > 0) {
$url = trim($matches[1]);
if (!preg_match('/^https?:\\//', $url)) {
// Relative path to Absolute
if ($url[0] != '/') {
$url = substr($url_path, 0, strrpos($url_path, '/')) . '/' . $url;
}
$url = $url_base . $url;
// Add sheme, host
}
// Redirect
return http_request($url, $method, $headers, $post, $redirect_max);
}
}
return array('query' => $query, 'rc' => $rc, 'header' => $resp[0], 'data' => $resp[1]);
}
function tb_get_url($url)
{
global $use_proxy, $no_proxy;
// Don't go across HTTP-proxy server
$parse_url = parse_url($url);
if (empty($parse_url['host']) || $use_proxy && !in_the_net($no_proxy, $parse_url['host'])) {
return '';
}
$data = http_request($url);
if ($data['rc'] !== 200) {
return '';
}
$matches = array();
if (!preg_match_all('#<rdf:RDF[^>]*xmlns:trackback=[^>]*>(.*?)</rdf:RDF>#si', $data['data'], $matches, PREG_PATTERN_ORDER)) {
return '';
}
$obj = new TrackBack_XML();
foreach ($matches[1] as $body) {
$tb_url = $obj->parse($body, $url);
if ($tb_url !== FALSE) {
return $tb_url;
}
}
return '';
}
function http_request($url, $method = 'GET', $headers = '', $post = array(), $redirect_max = PKWK_HTTP_REQUEST_URL_REDIRECT_MAX, $content_charset = '')
{
global $use_proxy, $no_proxy, $proxy_host, $proxy_port;
global $need_proxy_auth, $proxy_auth_user, $proxy_auth_pass;
$rc = array();
$arr = parse_url($url);
$via_proxy = $use_proxy ? !in_the_net($no_proxy, $arr['host']) : FALSE;
// query
$arr['query'] = isset($arr['query']) ? '?' . $arr['query'] : '';
// port
$arr['port'] = isset($arr['port']) ? $arr['port'] : 80;
$url_base = $arr['scheme'] . '://' . $arr['host'] . ':' . $arr['port'];
$url_path = isset($arr['path']) ? $arr['path'] : '/';
$url = ($via_proxy ? $url_base : '') . $url_path . $arr['query'];
$query = $method . ' ' . $url . ' HTTP/1.0' . "\r\n";
$query .= 'Host: ' . $arr['host'] . "\r\n";
$query .= 'User-Agent: PukiWiki/' . S_VERSION . "\r\n";
// Basic-auth for HTTP proxy server
if ($need_proxy_auth && isset($proxy_auth_user) && isset($proxy_auth_pass)) {
$query .= 'Proxy-Authorization: Basic ' . base64_encode($proxy_auth_user . ':' . $proxy_auth_pass) . "\r\n";
}
// (Normal) Basic-auth for remote host
if (isset($arr['user']) && isset($arr['pass'])) {
$query .= 'Authorization: Basic ' . base64_encode($arr['user'] . ':' . $arr['pass']) . "\r\n";
}
$query .= $headers;
if (strtoupper($method) == 'POST') {
// 'application/x-www-form-urlencoded', especially for TrackBack ping
$POST = array();
foreach ($post as $name => $val) {
$POST[] = $name . '=' . urlencode($val);
}
$data = join('&', $POST);
if (preg_match('/^[a-zA-Z0-9_-]+$/', $content_charset)) {
// Legacy but simple
$query .= 'Content-Type: application/x-www-form-urlencoded' . "\r\n";
} else {
// With charset (NOTE: Some implementation may hate this)
$query .= 'Content-Type: application/x-www-form-urlencoded' . '; charset=' . strtolower($content_charset) . "\r\n";
}
$query .= 'Content-Length: ' . strlen($data) . "\r\n";
$query .= "\r\n";
$query .= $data;
} else {
$query .= "\r\n";
}
if ($arr['scheme'] === 'https') {
$arr['port'] = 443;
$arr['host'] = "ssl://{$arr['host']}";
}
$errno = 0;
$errstr = '';
$fp = fsockopen($via_proxy ? $proxy_host : $arr['host'], $via_proxy ? $proxy_port : $arr['port'], $errno, $errstr, 30);
if ($fp === FALSE) {
return array('query' => $query, 'rc' => $errno, 'header' => '', 'data' => $errstr);
}
fputs($fp, $query);
$response = '';
while (!feof($fp)) {
$response .= fread($fp, 4096);
}
fclose($fp);
$resp = explode("\r\n\r\n", $response, 2);
$rccd = explode(' ', $resp[0], 3);
// array('HTTP/1.1', '200', 'OK\r\n...')
$rc = (int) $rccd[1];
switch ($rc) {
case 301:
// Moved Permanently
// Moved Permanently
case 302:
// Moved Temporarily
$matches = array();
if (preg_match('/^Location: (.+)$/m', $resp[0], $matches) && --$redirect_max > 0) {
$url = trim($matches[1]);
if (!preg_match('/^https?:\\//', $url)) {
// Relative path to Absolute
if ($url[0] != '/') {
$url = substr($url_path, 0, strrpos($url_path, '/')) . '/' . $url;
}
$url = $url_base . $url;
// Add sheme, host
}
// Redirect
return http_request($url, $method, $headers, $post, $redirect_max);
}
}
return array('query' => $query, 'rc' => $rc, 'header' => $resp[0], 'data' => $resp[1]);
}
function http_req($url, $params = array())
{
$config = array('method' => 'GET', 'headers' => '', 'post' => array(), 'redirect_max' => 2, 'content_charset' => '', 'ua' => 'PHPScript', 'proxy_host' => '', 'no_proxy' => array('localhost', '127.0.0.0/8', '10.0.0.0/8', '172.16.0.0/12', '192.168.0.0/16', 'no-proxy.com'), 'use_proxy' => FALSE, 'proxy_port' => '', 'need_proxy_auth' => 'FALSE', 'proxy_auth_user' => '', 'proxy_auth_pass' => '');
foreach ($config as $key => $val) {
if (isset($params[$key])) {
$config[$key] = $params[$key];
}
}
extract($config);
if ($proxy_host != '') {
if (!preg_match('#^[a-z]+://#', $proxy_host)) {
$proxy_host = 'http://' . $proxy_host;
}
$proxy_params = parse_url($proxy_host);
$proxy_host = $proxy_params['host'];
$use_proxy = TRUE;
$proxy_port = isset($proxy_params['port']) ? $proxy_params['port'] : '8080';
$need_proxy_auth = isset($proxy_params['user']);
$proxy_auth_user = isset($proxy_params['user']) ? $proxy_params['user'] : '';
$proxy_auth_pass = isset($proxy_params['pass']) ? $proxy_params['pass'] : '';
}
$rc = array();
$arr = parse_url($url);
$via_proxy = $use_proxy ? !in_the_net($no_proxy, $arr['host']) : FALSE;
$arr['query'] = isset($arr['query']) ? '?' . $arr['query'] : '';
$arr['port'] = isset($arr['port']) ? $arr['port'] : 80;
$url_base = $arr['scheme'] . '://' . $arr['host'] . ':' . $arr['port'];
$url_path = isset($arr['path']) ? $arr['path'] : '/';
$url = ($via_proxy ? $url_base : '') . $url_path . $arr['query'];
$query = $method . ' ' . $url . ' HTTP/1.0' . "\r\n";
$query .= 'Host: ' . $arr['host'] . "\r\n";
$query .= 'User-Agent: ' . $ua . "\r\n";
if ($need_proxy_auth && isset($proxy_auth_user) && isset($proxy_auth_pass)) {
$query .= 'Proxy-Authorization: Basic ' . base64_encode($proxy_auth_user . ':' . $proxy_auth_pass) . "\r\n";
}
if (isset($arr['user']) && isset($arr['pass'])) {
$query .= 'Authorization: Basic ' . base64_encode($arr['user'] . ':' . $arr['pass']) . "\r\n";
}
$query .= $headers;
if (strtoupper($method) == 'POST') {
$POST = array();
foreach ($post as $name => $val) {
$POST[] = $name . '=' . urlencode($val);
}
$data = join('&', $POST);
if (preg_match('/^[a-zA-Z0-9_-]+$/', $content_charset)) {
$query .= 'Content-Type: application/x-www-form-urlencoded' . "\r\n";
} else {
$query .= 'Content-Type: application/x-www-form-urlencoded' . '; charset=' . strtolower($content_charset) . "\r\n";
}
$query .= 'Content-Length: ' . strlen($data) . "\r\n";
$query .= "\r\n";
$query .= $data;
} else {
$query .= "\r\n";
}
$errno = 0;
$errstr = '';
$fp = fsockopen($via_proxy ? $proxy_host : $arr['host'], $via_proxy ? $proxy_port : $arr['port'], $errno, $errstr, 30);
if ($fp === FALSE) {
return array('query' => $query, 'rc' => $errno, 'header' => '', 'data' => $errstr);
}
fputs($fp, $query);
$response = '';
while (!feof($fp)) {
$response .= fread($fp, 4096);
}
fclose($fp);
$resp = explode("\r\n\r\n", $response, 2);
$rccd = explode(' ', $resp[0], 3);
$rc = (int) $rccd[1];
switch ($rc) {
case 301:
case 302:
$matches = array();
if (preg_match('/^Location: (.+)$/m', $resp[0], $matches) && --$redirect_max > 0) {
$url = trim($matches[1]);
if (!preg_match('/^https?:\\//', $url)) {
if ($url[0] != '/') {
$url = substr($url_path, 0, strrpos($url_path, '/')) . '/' . $url;
}
$url = $url_base . $url;
}
return http_request($url, $method, $headers, $post, $redirect_max);
}
}
return array('query' => $query, 'rc' => $rc, 'header' => $resp[0], 'data' => $resp[1]);
}
function http_request($url, $method = 'GET', $headers = array(), $post = array(), $redirect_max = PKWK_HTTP_REQUEST_URL_REDIRECT_MAX, $content_charset = '')
{
global $use_proxy, $no_proxy, $proxy_host, $proxy_port;
global $need_proxy_auth, $proxy_auth_user, $proxy_auth_pass;
$rc = array();
$arr = parse_url($url);
$via_proxy = $use_proxy ? !in_the_net($no_proxy, $arr['host']) : FALSE;
$arr['query'] = isset($arr['query']) ? '?' . $arr['query'] : '';
$arr['port'] = isset($arr['port']) ? $arr['port'] : 80;
$url_base = $arr['scheme'] . '://' . $arr['host'] . ':' . $arr['port'];
$url_path = isset($arr['path']) ? $arr['path'] : '/';
$url = ($via_proxy ? $url_base : '') . $url_path . $arr['query'];
// HTTP request method
$query = $method . ' ' . $url . ' HTTP/' . PKWK_HTTP_VERSION . "\r\n";
$query .= 'Host: ' . $arr['host'] . "\r\n";
$query .= 'User-Agent: ' . PKWK_HTTP_CLIENT . "\r\n";
$query .= 'Connection: close' . "\r\n";
// Basic-auth for HTTP proxy server
if ($need_proxy_auth && isset($proxy_auth_user) && isset($proxy_auth_pass)) {
$query .= 'Proxy-Authorization: Basic ' . base64_encode($proxy_auth_user . ':' . $proxy_auth_pass) . "\r\n";
}
// (Normal) Basic-auth for remote host
if (isset($arr['user']) && isset($arr['pass'])) {
$query .= 'Authorization: Basic ' . base64_encode($arr['user'] . ':' . $arr['pass']) . "\r\n";
}
//@miko added
// Gzipped encoding
if (PKWK_HTTP_VERSION == '1.1' && extension_loaded('zlib') && (ini_get('mbstring.func_overload') & 2) == 0) {
$query .= 'Accept-Encoding: gzip' . "\r\n";
}
// Add Headers
if (is_array($headers)) {
foreach ($headers as $key => $val) {
$query .= $key . ': ' . $val . "\r\n";
}
} else {
$query .= $headers;
}
//@miko added
if (strtoupper($method) == 'POST') {
// 'application/x-www-form-urlencoded', especially for TrackBack ping
$POST = array();
// foreach ($post as $name=>$val) $POST[] = $name . '=' . urlencode($val);
foreach ($post as $name => $val) {
$POST[] = urlencode($name) . '=' . urlencode($val);
}
$data = join('&', $POST);
if (preg_match('/^[a-zA-Z0-9_-]+$/', $content_charset)) {
// Legacy but simple
$query .= 'Content-Type: application/x-www-form-urlencoded' . "\r\n";
} else {
// With charset (NOTE: Some implementation may hate this)
$query .= 'Content-Type: application/x-www-form-urlencoded' . '; charset=' . strtolower($content_charset) . "\r\n";
}
$query .= 'Content-Length: ' . strlen($data) . "\r\n";
$query .= "\r\n";
$query .= $data;
//@miko_patched
//@for use propfind, use "Depth:infinity, noroot"
} elseif (strtoupper($method) == 'PROPFIND') {
// 'text/xml', especially for svn
$data = implode('', $post);
if (preg_match('/^[a-zA-Z0-9_-]+$/', $content_charset)) {
// Legacy but simple
$query .= 'Content-Type: text/xml' . "\r\n";
} else {
// With charset (NOTE: Some implementation may hate this)
$query .= 'Content-Type: text/xml' . '; charset=' . strtolower($content_charset) . "\r\n";
}
$query .= 'Content-Length: ' . strlen($data) . "\r\n";
$query .= "\r\n";
$query .= $data;
//@miko_patched
} else {
$query .= "\r\n";
}
$errno = 0;
$errstr = '';
$fp = fsockopen($via_proxy ? $proxy_host : $arr['host'], $via_proxy ? $proxy_port : $arr['port'], $errno, $errstr, PKWK_HTTP_CONNECT_TIMEOUT);
if ($fp === FALSE) {
return array('query' => $query, 'rc' => $errno, 'header' => '', 'data' => $errstr);
}
socket_set_timeout($fp, PKWK_HTTP_REQUEST_TIMEOUT, 0);
fwrite($fp, $query);
// Get a Head
$head = '';
$status = array();
while (!feof($fp)) {
$line = rtrim(fgets($fp, 4096));
$status = socket_get_status($fp);
if ($status['timed_out']) {
break;
}
if ($line == '') {
break;
}
if ($head != '') {
$r = explode(':', $line, 2);
$response[strtolower(trim($r[0]))] = strtolower(trim($r[1]));
}
$head .= $line . "\r\n";
}
// Get a Body
$chunked = isset($response['transfer-encoding']) && $response['transfer-encoding'] == 'chunked';
$gzipped = isset($response['content-encoding']) && $response['content-encoding'] == 'gzip';
$body = '';
$length = 0;
$status = array();
if (!isset($response['content-length']) || $response['content-length'] != 0) {
while (!feof($fp)) {
if ($chunked) {
$body .= fread_chunked($fp, $length);
} else {
$body .= fread($fp, 4096);
}
$status = socket_get_status($fp);
if ($status['timed_out']) {
break;
}
}
}
// fputs($fp, $query);
// $response = '';
// while (! feof($fp)) $response .= fread($fp, 4096);
fclose($fp);
//@miko added
if ($body != '' && $gzipped) {
$body = gzinflate(substr($body, 10));
}
//@miko added
// $resp = explode("\r\n\r\n", $response, 2);
// $rccd = explode(' ', $resp[0], 3); // array('HTTP/1.1', '200', 'OK\r\n...')
$rccd = explode(' ', $head, 3);
// array('HTTP/1.1', '200', 'OK\r\n...')
$rc = (int) $rccd[1];
switch ($rc) {
case 301:
// Moved Permanently
// Moved Permanently
case 302:
// Moved Temporarily
$matches = array();
// if (preg_match('/^Location: (.+)$/m', $resp[0], $matches)
if (preg_match('/^Location: (.+)$/m', $head, $matches) && --$redirect_max > 0) {
$url = trim($matches[1]);
if (!preg_match('/^https?:\\//', $url)) {
// Relative path to Absolute
if ($url[0] != '/') {
$url = substr($url_path, 0, strrpos($url_path, '/')) . '/' . $url;
}
$url = $url_base . $url;
// Add sheme, host
}
// Redirect
return http_request($url, $method, $headers, $post, $redirect_max);
}
}
return array('query' => $query, 'rc' => $rc, 'header' => $head, 'data' => $body, 'timeout' => $status['timed_out']);
}
