From be43c7191a60448d5b5b91b28e908a54b0243a78 Mon Sep 17 00:00:00 2001 From: Roland Haeder Date: Wed, 6 Jan 2016 17:12:15 +0100 Subject: [PATCH] Initial import from my server. Signed-off-by: Roland Haeder --- PHProxy.class.php | 1047 +++++++++++++++++++++++++++++++++++++++++++++ docs/COPYING | 56 +++ docs/INSTALL.txt | 1 + index.php | 152 +++++++ javascript.js | 102 +++++ style.css | 98 +++++ url_form.php | 12 + 7 files changed, 1468 insertions(+) create mode 100644 PHProxy.class.php create mode 100644 docs/COPYING create mode 100644 docs/INSTALL.txt create mode 100644 index.php create mode 100644 javascript.js create mode 100644 style.css create mode 100644 url_form.php diff --git a/PHProxy.class.php b/PHProxy.class.php new file mode 100644 index 0000000..59f040e --- /dev/null +++ b/PHProxy.class.php @@ -0,0 +1,1047 @@ + 1, + 'remove_scripts' => 1, + 'accept_cookies' => 1, + 'show_images' => 1, + 'show_referer' => 1, + 'rotate13' => 0, + 'base64_encode' => 1, + 'strip_meta' => 0, + 'strip_title' => 0, + 'session_cookies' => 1 + ); + + // + // End Configurable vars + // + + // + // Edit the $config variables in index.php and javascript.js instead + // + + var $config = array + ( + 'url_var_name' => 'q', + 'flags_var_name' => 'hl', + 'get_form_name' => '__script_get_form', + 'proxy_url_form_name' => 'poxy_url_form', + 'proxy_settings_form_name' => 'poxy_settings_form', + 'max_file_size' => -1 + ); + + var $version; + var $script_url; + var $http_host; + var $url; + var $url_segments; + var $base; + + var $socket; + + + var $request_method; + var $request_headers; + var $basic_auth_header; + var $basic_auth_realm; + var $data_boundary; + var $post_body; + + var $response_headers; + var $response_code; + var $content_type; + var $content_length; + var $response_body; + + function PHProxy($config, $flags = 'previous') + { + $this->version = '0.4'; + $this->http_host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : (isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : 'localhost'); + $this->script_url = 'http' + . (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' ? 's' : '') + . '://' + . $this->http_host + . $_SERVER['PHP_SELF']; + $this->request_method = $_SERVER['REQUEST_METHOD']; + $this->config = $config; + $this->set_flags($flags); + + if ($this->flags['rotate13']) + { + function encode_url($url) + { + return rawurlencode(str_rot13($url)); + } + function decode_url($url) + { + return str_replace('&', '&', str_rot13(rawurldecode($url))); + } + } + else if ($this->flags['base64_encode']) + { + function encode_url($url) + { + return rawurlencode(base64_encode($url)); + } + function decode_url($url) + { + return str_replace('&', '&', base64_decode(rawurldecode($url))); + } + } + else + { + function encode_url($url) + { + return rawurlencode($url); + } + function decode_url($url) + { + return str_replace('&', '&', rawurldecode($url)); + } + } + } + + function start_transfer($url) + { + $this->set_url($url); + $this->open_socket(); + $this->http_basic_auth(); + $this->set_request_headers(); + $this->set_response(); + $this->http_basic_auth(); + } + + function open_socket() + { + $this->socket = @fsockopen($this->url_segments['host'], $this->url_segments['port'], $err_no, $err_str, 12); + + if ($this->socket === false) + { + $this->trigger_error("$err_no: $err_str (URL: {$this->url_segments['host']})", encode_url($this->url)); + } + } + + function set_response() + { + fwrite($this->socket, $this->request_headers); + + // Reset response headers and response body. + + $this->response_headers = ''; + $this->response_body = ''; + + // Get the response headers first to extract content-type. + do + { + $line = fgets($this->socket, 4096); + $this->response_headers .= $line; + } + while ($line != "\r\n"); + + $array = explode(' ', $this->response_headers); + $this->response_code = next($array); + $this->set_content_type(); + $this->set_content_length(); + + if ($this->flags['accept_cookies'] == 1) + { + $this->set_cookies(); + } + + if ($this->follow_location()) + { + fclose($this->socket); + $this->start_transfer($this->url); + } + else + { + // If content-type isn't html or xhtml, just dump the rest of the response back to the client since + // we don't need to do any further operations on it. And if the file were like a large movie file, it + // wouldn't fit in a variable without exceeding the memory limit alloted for the scipt. + + if (!in_array($this->content_type, array('text/html', 'application/xml+xhtml', 'application/xhtml+xml', 'text/css')) && (!$this->content_length || (int)$this->content_length <= $this->config['max_file_size'])) + { + // Impose no time limit since it might be a large file that would take a long while to download. + @set_time_limit(0); + $this->send_response_headers(); + fpassthru($this->socket); + fclose($this->socket); + exit(); + } + + // Read the HTML response in $this->response_body + do + { + $data = fread($this->socket, 8192); + $this->response_body .= $data; + + } + while (strlen($data) != 0); + + fclose($this->socket); + } + } + + function set_content_type() + { + if (preg_match("#content-type:([^\r\n]*)#i", $this->response_headers, $matches) && trim($matches[1]) != '') + { + $content_type_array = explode(';', $matches[1]); + $this->content_type = strtolower(trim($content_type_array[0])); + } + else + { + $this->content_type = 'text/html'; + } + } + + function set_content_length() + { + if (preg_match("#content-length:([^\r\n]*)#i", $this->response_headers, $matches) && trim($matches[1]) != '') + { + $this->content_length = trim($matches[1]); + } + else + { + $this->content_length = false; + } + } + + function http_basic_auth() + { + if (empty($this->response_code)) + { + if (isset($this->url_segments['user'], $this->url_segments['pass'])) + { + $this->set_authorization($this->url_segments['user'], $this->url_segments['pass']); + return true; + } + else if (($stored_auth = $this->get_cookies('AUTH')) != '') + { + $this->basic_auth_header = $stored_auth; + return true; + } + } + else if ($this->response_code == 401 && preg_match('#www-authenticate:\s*basic\s+(?:realm="(.*?)")?#i', $this->response_headers, $matches)) + { + header('Location: '. sprintf('%s?action=auth&server=%s&realm=%s&auth_url=%s', $this->script_url, encode_url($this->url_segments['host']), encode_url($matches[1]), encode_url($this->url))); + exit(); + } + return false; + } + + function set_authorization($username, $password) + { + $this->basic_auth_header = base64_encode(sprintf('%s:%s', $username, $password)); + setcookie(urlencode("AUTH;{$this->url_segments['host']}"), $this->basic_auth_header, 0, '', $this->http_host); + } + + function set_url($url) + { + $this->url = decode_url($url); + + if (strpos($this->url, '://') === false) + { + $this->url = 'http://' . $this->url; + } + + if ($this->parse_url($this->url, $this->url_segments)) + { + $this->base = $this->url_segments; + + if (!$this->is_allowed_host()) + { + exit(); + } + } + else + { + $this->trigger_error('Please supply a valid URL'); + } + } + + function parse_url($url, & $container) + { + $temp = @parse_url($url); + + if (!empty($temp)) + { + $temp['port'] = isset($temp['port']) ? $temp['port'] : 80; + $temp['path'] = isset($temp['path']) ? $temp['path'] : '/'; + $temp['file'] = substr($temp['path'], strrpos($temp['path'], '/')+1); + $temp['dir'] = substr($temp['path'], 0, strrpos($temp['path'], '/')); + $temp['base'] = $temp['scheme'] . '://' . $temp['host'] . ($temp['port'] != 80 ? ':' . $temp['port'] : '') . $temp['dir']; + $temp['prev_dir'] = $temp['path'] != '/' ? substr($temp['base'], 0, strrpos($temp['base'], '/')+1) : $temp['base'] . '/'; + $container = $temp; + + return true; + + /* + URL: http://username:password@www.example.com:80/dir/dir/page.php?foo=bar&foo2=bar2#bookmark + scheme // http + host // www.example.com + port // 80 + user // username + pass // password + path // /dir/dir/page.php + query // foo=bar&foo2=bar2 + fragment // bookmark + file // page.php + dir // /dir/dir + base // http://www.example.com/dir/dir + prev_dir // http://www.example.com/dir/ + */ + } + + return false; + } + + function is_allowed_host() + { + if (!empty($this->banned_hosts)) + { + foreach ($this->banned_hosts as $host) + { + if (($host{0} == '.' && preg_match('#' . trim($host, '.') . '$#i', $this->url_segments['host'])) || strcasecmp($host, $this->url_segments['host']) == 0) + { + return false; + } + } + + return true; + } + + return true; + } + + function modify_urls() + { + // this was a bitch to code + // follows CGIProxy's logic of his HTML routine in some aspects + + $tags = array + ( + 'a' => array('href'), + 'img' => array('src', 'longdesc'), + 'image' => array('src', 'longdesc'), + 'body' => array('background'), + 'base' => array('href'), + 'frame' => array('src', 'longdesc'), + 'iframe' => array('src', 'longdesc'), + 'head' => array('profile'), + 'layer' => array('src'), + 'input' => array('src', 'usemap'), + 'form' => array('action'), + 'area' => array('href'), + 'link' => array('href', 'src', 'urn'), + 'meta' => array('content'), + 'param' => array('value'), + 'applet' => array('codebase', 'code', 'object', 'archive'), + 'object' => array('usermap', 'codebase', 'classid', 'archive', 'data'), + 'script' => array('src'), + 'select' => array('src'), + 'hr' => array('src'), + 'table' => array('background'), + 'tr' => array('background'), + 'th' => array('background'), + 'td' => array('background'), + 'bgsound' => array('src'), + 'blockquote' => array('cite'), + 'del' => array('cite'), + 'embed' => array('src'), + 'fig' => array('src', 'imagemap'), + 'ilayer' => array('src'), + 'ins' => array('cite'), + 'note' => array('src'), + 'overlay' => array('src', 'imagemap'), + 'q' => array('cite'), + 'ul' => array('src') + ); + + preg_match_all('#(<\s*style[^>]*>)(.*?)(<\s*/style[^>]*>)#is', $this->response_body, $matches, PREG_SET_ORDER); + + for ($i = 0, $count_i = count($matches); $i < $count_i; $i++) + { + $this->response_body = str_replace($matches[$i][0], $matches[$i][1]. $this->proxify_css($matches[$i][2]) .$matches[$i][3], $this->response_body); + } + + preg_match_all("#<\s*([a-zA-Z]+)([^>]+)>#", $this->response_body, $matches); + + for ($i = 0, $count_i = count($matches[0]); $i < $count_i; $i++) + { + $tag = strtolower($matches[1][$i]); + + if (!isset($tags[$tag]) || !preg_match_all("#([a-zA-Z\-\/]+)\s*(?:=\s*(?:\"([^\">]*)\"?|'([^'>]*)'?|([^'\"\s]*)))?#", $matches[2][$i], $m, PREG_SET_ORDER)) + { + continue; + } + + $rebuild = false; + $extra_html = $temp = ''; + $attrs = array(); + + for ($j = 0, $count_j = count($m); $j < $count_j; $attrs[strtolower($m[$j][1])] = (isset($m[$j][4]) ? $m[$j][4] : (isset($m[$j][3]) ? $m[$j][3] : (isset($m[$j][2]) ? $m[$j][2] : false))), $j++); + + switch ($tag) + { + case 'base': + if (isset($attrs['href'])) + { + $rebuild = true; + $this->parse_url($attrs['href'], $this->base); + $attrs['href'] = $this->proxify_url($attrs['href']); + } + break; + case 'body': + if ($this->flags['include_form']) + { + $rebuild = true; + ob_start(); + include_once 'url_form.php'; + $extra_html = "\n" . ob_get_contents(); + ob_end_clean(); + } + case 'meta': + if ($this->flags['strip_meta'] && isset($attrs['name']) && preg_match('#(keywords|description)#i', $attrs['name'])) + { + $this->response_body = str_replace($matches[0][$i], '', $this->response_body); + } + if (isset($attrs['http-equiv'], $attrs['content']) && strtolower($attrs['http-equiv']) === 'refresh') + { + if (preg_match('#^(\s*[0-9]+\s*;\s*url=)(.*)#i', $attrs['content'], $content)) + { + $rebuild = true; + $attrs['content'] = $content[1] . $this->proxify_url($content[2]); + } + } + break; + case 'head': + if (isset($attrs['profile'])) + { + //space-separated list of urls + $rebuild = true; + $attrs['profile'] = implode(' ', array_map(array(&$this, 'proxify_url'), explode(' ', $attrs['profile']))); + } + break; + case 'applet': + if (isset($attrs['codebase'])) + { + $rebuild = true; + $temp = $this->base; + $this->parse_url($this->proxify_url(rtrim($attrs['codebase'], '/') . '/', false), $this->base); + unset($attrs['codebase']); + } + if (isset($attrs['code']) && strpos($attrs['code'], '/') !== false) + { + $rebuild = true; + $attrs['code'] = $this->proxify_url($attrs['code']); + } + if (isset($attrs['object'])) + { + $rebuild = true; + $attrs['object'] = $this->proxify_url($attrs['object']); + } + if (isset($attrs['archive'])) + { + $rebuild = true; + $attrs['archive'] = implode(',', array_map(array(&$this, 'proxify_url'), preg_split('#\s*,\s*#', $attrs['archive']))); + } + if (!empty($temp)) + { + $this->base = $temp; + } + break; + case 'object': + if (isset($attrs['usemap'])) + { + $rebuild = true; + $attrs['usemap'] = $this->proxify_url($attrs['usemap']); + } + if (isset($attrs['codebase'])) + { + $rebuild = true; + $temp = $this->base; + $this->parse_url($this->proxify_url(rtrim($attrs['codebase'], '/') . '/', false), $this->base); + unset($attrs['codebase']); + } + if (isset($attrs['data'])) + { + $rebuild = true; + $attrs['data'] = $this->proxify_url($attrs['data']); + } + if (isset($attrs['classid']) && !preg_match('#^clsid:#i', $attrs['classid'])) + { + $rebuild = true; + $attrs['classid'] = $this->proxify_url($attrs['classid']); + } + if (isset($attrs['archive'])) + { + $rebuild = true; + $attrs['archive'] = implode(' ', array_map(array(&$this, 'proxify_url'), explode(' ', $attrs['archive']))); + } + if (!empty($temp)) + { + $this->base = $temp; + } + break; + case 'param': + if (isset($attrs['valuetype'], $attrs['value']) && strtolower($attrs['valuetype']) == 'ref' && preg_match('#^[\w.+-]+://#', $attrs['value'])) + { + $rebuild = true; + $attrs['value'] = $this->proxify_url($attrs['value']); + } + break; + case 'form': + if (isset($attrs['action'])) + { + if (trim($attrs['action']) === '') + { + $rebuild = true; + $attrs['action'] = $this->url_segments['path']; + } + if (!isset($attrs['method']) || strtolower($attrs['method']) === 'get') + { + $rebuild = true; + $extra_html = ''; + $attrs['action'] = ''; + break; + } + } + default: + foreach ($tags[$tag] as $attr) + { + if (isset($attrs[$attr])) + { + $rebuild = true; + $attrs[$attr] = $this->proxify_url($attrs[$attr]); + } + } + break; + } + + if ($rebuild) + { + $new_tag = "<$tag"; + foreach ($attrs as $name => $value) + { + $delim = strpos($value, '"') && !strpos($value, "'") ? "'" : '"'; + $new_tag .= ' ' . $name . ($value !== false ? '=' . $delim . $value . $delim : ''); + } + + $this->response_body = str_replace($matches[0][$i], $new_tag . '>' . $extra_html, $this->response_body); + } + } + } + + function proxify_css($css) + { + preg_match_all('#url\s*\(\s*(([^)]*(\\\))*[^)]*)(\)|$)?#i', $css, $matches, PREG_SET_ORDER); + + for ($i = 0, $count = count($matches); $i < $count; $i++) + { + $css = str_replace($matches[$i][0], 'url(' . $this->proxify_css_url($matches[$i][1]) . ')', $css); + } + + preg_match_all("#@import\s*(?:\"([^\">]*)\"?|'([^'>]*)'?)([^;]*)(;|$)#i", $css, $matches, PREG_SET_ORDER); + + for ($i = 0, $count = count($matches); $i < $count; $i++) + { + $delim = '"'; + $url = $matches[$i][2]; + + if (isset($matches[$i][3])) + { + $delim = "'"; + $url = $matches[$i][3]; + } + + $css = str_replace($matches[$i][0], '@import ' . $delim . $this->proxify_css_url($matches[$i][1]) . $delim . (isset($matches[$i][4]) ? $matches[$i][4] : ''), $css); + } + + return $css; + } + + function proxify_css_url($url) + { + $url = trim($url); + $delim = ''; + + if (strpos($url, '"') === 0) + { + $delim = '"'; + $url = trim($url, '"'); + } + else if (strpos($url, "'") === 0) + { + $delim = "'"; + $url = trim($url, "'"); + } + + $url = preg_replace('#\\\(.)#', '$1', $url); + $url = trim($url); + $url = $this->proxify_url($url); + $url = preg_replace('#([\(\),\s\'"\\\])#', '\\$1', $url); + + return $delim . $url . $delim; + } + + function set_flags($flags) + { + if (is_numeric($flags)) + { + setcookie('flags', $flags, time()+(4*7*24*60*60), '', $this->http_host); + $this->flags['include_form'] = $flags{0} == 1 ? 1 : 0; + $this->flags['remove_scripts'] = $flags{1} == 1 ? 1 : 0; + $this->flags['accept_cookies'] = $flags{2} == 1 ? 1 : 0; + $this->flags['show_images'] = $flags{3} == 1 ? 1 : 0; + $this->flags['show_referer'] = $flags{4} == 1 ? 1 : 0; + $this->flags['rotate13'] = $flags{5} == 1 ? 1 : 0; + $this->flags['base64_encode'] = $flags{6} == 1 ? 1 : 0; + $this->flags['strip_meta'] = $flags{7} == 1 ? 1 : 0; + $this->flags['strip_title'] = $flags{8} == 1 ? 1 : 0; + $this->flags['session_cookies'] = $flags{9} == 1 ? 1 : 0; + } + else if (isset($_COOKIE['flags']) && is_numeric($_COOKIE['flags']) && strlen($_COOKIE['flags']) == count($this->flags)) + { + $this->set_flags($_COOKIE['flags']); + } + else + { + $flags = ''; + foreach ($this->flags as $flag) + { + $flags .= $flag; + } + + $this->set_flags($flags); + } + } + + function set_request_headers() + { + $path = preg_replace('#/{2,}#', '/', $this->url_segments['path']); + $path = preg_replace('#([^.]+)(\.\/)*#', '$1', $path); + while ($path != ($path = preg_replace('#/[^/.]+/\.\./#', '/', $path))); + $path = preg_replace('#^/(\.\./)*#', '/', $path); + // @TODO Rewrite this to avoid an @ + $path = @preg_replace('#[^a-zA-Z0-9$\-_.+!*\'(),;/?:@=&]+#e', "'%'.dechex(ord('$0'))", $path); + + // @TODO Rewrite this to avoid an @ + $headers = "{$this->request_method} $path" . (isset($this->url_segments['query']) ? '?' . @preg_replace('#[^a-zA-Z0-9$\-_.+!*\'(),;/?:@=&]+#e', "urlencode('$0')", urldecode($this->url_segments['query'])) : '') . " HTTP/1.0\r\n"; + $headers .= "Host: {$this->url_segments['host']}:{$this->url_segments['port']}\r\n"; + + if (isset($_SERVER['HTTP_USER_AGENT'])) + { + $headers .= 'User-Agent: ' . $_SERVER['HTTP_USER_AGENT'] . "\r\n"; + } + if (isset($_SERVER['HTTP_ACCEPT'])) + { + $headers .= 'Accept: ' . $_SERVER['HTTP_ACCEPT'] . "\r\n"; + } + else + { + $headers .= "Accept: */*;q=0.1\r\n"; + } + if ($this->flags['show_referer'] == 1) + { + $headers .= "Referer: {$this->url_segments['base']}\r\n"; + } + if (($cookies = $this->get_cookies('COOKIE')) != '') + { + $headers .= "Cookie: $cookies\r\n"; + } + if (!empty($this->basic_auth_header)) + { + $headers .= "Authorization: Basic {$this->basic_auth_header}\r\n"; + } + if ($this->request_method == 'POST') + { + if (!empty($_FILES) && (bool)ini_get('file_uploads')) + { + $this->data_boundary = 'PHProxy-' . md5(uniqid(rand(), true)); + $this->set_post_body('FILES/VARS', $_POST); + $this->set_post_body('FILES/FILES', $_FILES); + $headers .= "Content-Type: multipart/form-data; boundary={$this->data_boundary}\r\n"; + $headers .= "Content-Length: " . strlen($this->post_body) . "\r\n\r\n"; + $headers .= $this->post_body; + $headers .= "--{$this->data_boundary}--"; + } + else + { + $this->set_post_body('POST/VARS', $_POST); + $headers .= "Content-Type: application/x-www-form-urlencoded\r\n"; + $headers .= "Content-Length: " . strlen($this->post_body) . "\r\n\r\n"; + $headers .= $this->post_body; + } + } + + $headers .= "\r\n"; + + $this->request_headers = $headers; + } + + function set_post_body($type, $array) + { + if ($type == 'FILES/FILES') + { + $array = $this->set_post_files($array); + foreach ($array as $key => $file_info) + { + if (is_readable($file_info['tmp_name'])) + { + $this->post_body .= "--{$this->data_boundary}\r\n"; + $this->post_body .= "Content-Disposition: form-data; name=\"$key\"; filename=\"{$file_info['name']}\"\r\n"; + $this->post_body .= "Content-Type: {$file_info['type']}\r\n\r\n"; + $handle = fopen($file_info['tmp_name'], 'rb'); + $this->post_body .= fread($handle, filesize($file_info['tmp_name'])) . "\r\n"; + fclose($handle); + } + } + } + else if ($type == 'FILES/VARS') + { + $array = $this->set_post_vars($array); + foreach ($array as $key => $value) + { + $this->post_body .= "--{$this->data_boundary}\r\n"; + $this->post_body .= "Content-Disposition: form-data; name=\"$key\"\r\n\r\n"; + $this->post_body .= urldecode($value) . "\r\n"; + } + } + else if ($type == 'POST/VARS') + { + $array = $this->set_post_vars($array); + foreach ($array as $key => $value) + { + $this->post_body .= !empty($this->post_body) ? '&' : ''; + $this->post_body .= $key . '=' . $value; + } + } + } + + function set_post_vars($array, $parent_key = null) + { + $tmp = array(); + + foreach ($array as $key => $value) + { + $key = isset($parent_key) ? sprintf('%s[%s]', $parent_key, urlencode($key)) : urlencode($key); + if (is_array($value)) + { + $tmp = array_merge($tmp, $this->set_post_vars($value, $key)); + } + else + { + $tmp[$key] = urlencode($value); + } + } + return $tmp; + } + + function set_post_files($array, $parent_key = null) + { + $tmp = array(); + + foreach ($array as $key => $value) + { + $key = isset($parent_key) ? sprintf('%s[%s]', $parent_key, urlencode($key)) : urlencode($key); + if (is_array($value)) + { + $tmp = array_merge_recursive($tmp, $this->set_post_files($value, $key)); + } + else if (preg_match('#^([^\[\]]+)\[(name|type|tmp_name)\]#', $key, $m)) + { + $tmp[str_replace($m[0], $m[1], $key)][$m[2]] = $value; + } + } + return $tmp; + } + + function follow_location() + { + if (preg_match("#(location|uri|content-location):([^\r\n]*)#i", $this->response_headers, $matches)) + { + if (($url = trim($matches[2])) == '') + { + return false; + } + + $this->url = encode_url($this->proxify_url($url, false)); + return true; + } + return false; + } + + function set_cookies() + { + if (preg_match_all("#set-cookie:([^\r\n]*)#i", $this->response_headers, $matches)) + { + foreach ($matches[1] as $cookie_info) + { + preg_match('#^\s*([^=;,\s]*)=?([^;,\s]*)#', $cookie_info, $match) && list(, $name, $value) = $match; + preg_match('#;\s*expires\s*=([^;]*)#i', $cookie_info, $match) && list(, $expires) = $match; + preg_match('#;\s*path\s*=\s*([^;,\s]*)#i', $cookie_info, $match) && list(, $path) = $match; + preg_match('#;\s*domain\s*=\s*([^;,\s]*)#i', $cookie_info, $match) && list(, $domain) = $match; + preg_match('#;\s*(secure\b)#i', $cookie_info, $match) && list(, $secure) = $match; + + $expires = isset($expires) ? strtotime($expires) : false; + $expires = ($this->flags['session_cookies'] && is_numeric($expires) && time()-$expires < 0) ? false : $expires; + $path = isset($path) ? $path : $this->url_segments['dir']; + $domain = isset($domain) ? $domain : $this->url_segments['host']; + $domain = rtrim($domain, '.'); + + if (!preg_match("#$domain$#i", $this->url_segments['host'])) + { + continue; + } + + if (count($_COOKIE) >= 15 && time()-$expires < 0) + { + setcookie(current($_COOKIE), '', 1, '', $this->http_host); + } + + setcookie(urlencode("COOKIE;$name;$domain;$path"), $value, $expires, '', $this->http_host); + } + + $this->response_headers = str_replace($matches[0], '', $this->response_headers); + } + } + + function get_cookies($type = 'COOKIE', $restrict = true) + { + if (!empty($_COOKIE)) + { + $cookies = ''; + + foreach ($_COOKIE as $cookie_name => $cookie_value) + { + $cookie_args = explode(';', urldecode($cookie_name)); + + if ($cookie_args[0] != $type || count($cookie_args) < 2) + { + continue; + } + + if ($type == 'AUTH') + { + if ($this->url_segments['host'] == str_replace('_', '.', $cookie_args[1])) + { + return $cookie_value; + } + else + { + continue; + } + } + else if ($type == 'COOKIE' && isset($cookie_args[2])) + { + $cookie_args[2] = str_replace('_', '.', $cookie_args[2]); + + if ($restrict) + { + list(, $name, $domain, $path) = $cookie_args; + + if (preg_match("#$domain$#i", $this->url_segments['host']) && preg_match("#^$path#i", $this->url_segments['path'])) + { + $cookies .= $cookies != '' ? '; ' : ''; + $cookies .= "$name=$cookie_value"; + } + } + else + { + if ($cookies == '') + { + $cookies = array(); + } + array_shift($cookie_args); + array_push($cookie_args, $cookie_value); + array_push($cookies, $cookie_args); + } + } + } + return $cookies; + } + } + + function delete_cookies($hash) + { + $cookies = $this->get_cookies('COOKIE', false); + + foreach ($cookies as $args) + { + if ($hash == 'all' || $hash == md5($args[0].$args[1].$args[2].$args[3])) + { + setcookie(urlencode("COOKIE;$args[0];$args[1];$args[2]"), '', 1, '', $this->http_host); + } + } + } + + function send_response_headers() + { + $headers = explode("\r\n", $this->response_headers); + $headers[] = 'Content-Disposition: ' . ($this->content_type == 'application/octet_stream' ? 'attachment' : 'inline') . '; filename=' . $this->url_segments['file']; + + if (!empty($this->response_body)) + { + $headers[] = 'Content-Length: ' . strlen($this->response_body); + } + + $headers = array_filter($headers); + + foreach ($headers as $header) + { + header($header); + } + } + + function return_response($send_headers = true) + { + if ($this->content_type == 'text/css') + { + $this->response_body = $this->proxify_css($this->response_body); + } + else + { + if ($this->flags['strip_title']) + { + $this->response_body = preg_replace('#(<\s*title[^>]*>)(.*?)(<\s*/title[^>]*>)#is', '$1$3', $this->response_body); + } + if ($this->flags['remove_scripts']) + { + $this->remove_scripts(); + } + if ($this->flags['show_images'] == 0) + { + $this->response_body = preg_replace('#<(img|image)[^>]*?>#si', '', $this->response_body); + } + + $this->modify_urls(); + } + + if ($send_headers) + { + $this->send_response_headers(); + } + + return $this->response_body; + } + + function remove_scripts() + { + $this->response_body = preg_replace('#]*?>.*?#si', '', $this->response_body); // Remove any scripts enclosed between + + +
+ +
PHProxy
+ +Error: ' . htmlspecialchars($_GET['error']) . '
'; + if (isset($_GET['retry'])) + { + echo '
Retry
'; + } +} + +if (isset($_GET['action'])) +{ + if ($_GET['action'] == 'cookies') + { + $cookies = $PHProxy->get_cookies('COOKIE', false); + + if (!empty($cookies)) + { + echo ''; + echo ''; + echo ''; + + for ($i = 0; $i < count($cookies); $i++) + { + $j = $i&1 ? ' class="shade"' : ''; + echo "{$cookies[$i][0]}{$cookies[$i][1]}{$cookies[$i][2]}" + . "" . wordwrap($cookies[$i][3], 15, ' ') ."delete'; + } + + echo '
Clear All Cookies
NameDomainPathValueAction
'; + } + else + { + echo '
No cookies available.
'; + } + } + else if ($_GET['action'] == 'auth' && isset($_GET['server'], $_GET['realm'], $_GET['auth_url'])) + { + echo '
'; + echo ''; + echo ''; + echo ''; + echo ''; + echo ''; + echo ''; + echo ''; + echo ''; + echo '
Enter user name and password for ' . decode_url($_GET['realm']) . ' at ' . decode_url($_GET['server']) . '
User name
Password
'; + echo '
'; + } +} +else +{ + ?> +
+ + +
+
+ + + options_list(true, true) ?> + +
URL 
New WindowOpen URL in a new window
+
+
PHProxy version ?> © 2005 whiteFyre +
+
+ '; +?> \ No newline at end of file diff --git a/javascript.js b/javascript.js new file mode 100644 index 0000000..f220740 --- /dev/null +++ b/javascript.js @@ -0,0 +1,102 @@ +var proxy_url_form_name = 'poxy_url_form'; +var proxy_settings_form_name = 'poxy_settings_form'; +var flags_var_name = 'hl'; + +/* the variables above should match the $config variables in index.php */ + +var alpha1 = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; +var alpha2 = 'nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM'; +var alnum = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._'; + +function str_rot13(str) +{ + var newStr = ''; + var curLet, curLetLoc; + + for (var i = 0; i < str.length; i++) + { + curLet = str.charAt(i); + curLetLoc = alpha1.indexOf(curLet); + + if (curLet == '#') + { + window.document.getElementById('proxy_form').action += str.substring(i, str.length) + } + + newStr += (curLetLoc < 0) ? curLet : alpha2.charAt(curLetLoc); + } + + return newStr; +} + + + +/* base64 encode code below is not my own, although I did modify it. */ + +function base64_encode(str) +{ + var out = ''; + var t, x, y ,z; + + for (var i = 0; i < str.length; i += 3) + { + t = Math.min(3, str.length - i); + if (t == 1) + { + x = str.charCodeAt(i); + out += alnum.charAt((x >> 2)); + out += alnum.charAt(((x & 0X00000003) << 4)); + out += '--'; + } + else if (t == 2) + { + x = str.charCodeAt(i); + y = str.charCodeAt(i+1); + out += alnum.charAt((x >> 2)); + out += alnum.charAt((((x & 0X00000003) << 4) | (y >> 4))); + out += alnum.charAt(((y & 0X0000000f) << 2)); + out += '-'; + } + else + { + x = str.charCodeAt(i); + y = str.charCodeAt(i+1); + z = str.charCodeAt(i+2); + out += alnum.charAt((x >> 2)); + out += alnum.charAt((((x & 0x00000003) << 4) | (y >> 4))); + out += alnum.charAt((((y & 0X0000000f) << 2) | (z >> 6))); + out += alnum.charAt((z & 0X0000003f)); + } + } + + return out; +} + +function submit_form() +{ + var url = document.forms[proxy_settings_form_name].url.value; + var flags = ''; + var rotate13 = document.forms[proxy_settings_form_name].elements['ops[]'][5].checked + var base64 = document.forms[proxy_settings_form_name].elements['ops[]'][6].checked; + + for (i = 0; i < document.forms[proxy_settings_form_name].elements['ops[]'].length; i++) + { + flags += (document.forms[proxy_settings_form_name].elements['ops[]'][i].checked == true) ? '1' : '0'; + } + + document.forms[proxy_url_form_name].elements[flags_var_name].value = flags; + document.forms[proxy_url_form_name].target = (document.forms[proxy_settings_form_name].new_window.checked == true) ? '_blank' : '_top'; + + if (rotate13) + { + url = str_rot13(url); + } + else if (base64) + { + url = base64_encode(url); + } + + document.forms[proxy_url_form_name].url_input.value = url; + document.forms[proxy_url_form_name].submit(); + return false; +} diff --git a/style.css b/style.css new file mode 100644 index 0000000..c54c775 --- /dev/null +++ b/style.css @@ -0,0 +1,98 @@ +body +{ + margin: 10px 0px 0px 0px; + padding: 0px; + font-size: 12px; +} + +form, input +{ + margin: 0px; + padding: 0px; +} + + +body, input +{ + font-family: 'lucida sans unicode', lucida, helvetica, verdana, arial, sans-serif; +} + +body +{ + background-color: #FFFFCC; + color: #ffffff; +} + +input +{ + font-size: 10px; + font-weight: bold; + color: #000000; + +} + +.title +{ + margin-left: 3px; + font-size: 25px; + color: #ffffff; + border-bottom: 1px solid #ffffff; +} + +.error +{ + font-size: 12px; + background-color: #F8E6CB; + color: #000000; + border-bottom: 1px solid #97CCA8; +} + +#container +{ + -moz-border-radius: 20px; + border: 1px solid #CCCDD7; + width: 730px; + margin: auto; + background-color: #99CC66; +} + +#menu +{ + -moz-border-radius: 0 30px 0 0; + border-left: 1px solid #CCCDD7; + border-bottom: 1px solid #CCCDD7; + float: right; + height: 20px; + background-color: #ffffff; + color: #336600; +} + +.option +{ + height: 25px; + border-bottom: 1px solid #ffffff; + background-color: #7FB24C; +} + +.shade +{ + background-color: #E1F3CF; +} + +.head +{ + background-color: #A2AACE; +} + +a:link, a:visited +{ + color: #8A3545; + text-decoration: none; +} + +a:hover, a:active +{ + color: #8A3545; + text-decoration: underline; + background-color: transparent; +} \ No newline at end of file diff --git a/url_form.php b/url_form.php new file mode 100644 index 0000000..eb2aeca --- /dev/null +++ b/url_form.php @@ -0,0 +1,12 @@ + +
+
+ + +
+
+[Main] Current URL: + + New Window [Up One Directory]
+options_list() ?> +
\ No newline at end of file -- 2.39.5