--- /dev/null
+<?php
+require_once("../../path_index.php");
+/* Version 0.9, 6th April 2003 - Simon Willison ( http://simon.incutio.com/ )
+ Manual: http://scripts.incutio.com/httpclient/
+*/
+
+class HttpClient {
+ // Request vars
+ var $host;
+ var $port;
+ var $path;
+ var $method;
+ var $postdata = '';
+ var $cookies = array();
+ var $referer;
+ var $accept = 'text/xml,application/xml,application/xhtml+xml,text/html,text/plain,image/png,image/jpeg,image/gif,*/*';
+ var $accept_encoding = 'gzip';
+ var $accept_language = 'en-us';
+ var $user_agent = 'Incutio HttpClient v0.9';
+ // Options
+ var $timeout = 20;
+ var $use_gzip = true;
+ var $persist_cookies = true; // If true, received cookies are placed in the $this->cookies array ready for the next request
+ // Note: This currently ignores the cookie path (and time) completely. Time is not important,
+ // but path could possibly lead to security problems.
+ var $persist_referers = true; // For each request, sends path of last request as referer
+ var $debug = false;
+ var $handle_redirects = true; // Auaomtically redirect if Location or URI header is found
+ var $max_redirects = 5;
+ var $headers_only = false; // If true, stops receiving once headers have been read.
+ // Basic authorization variables
+ var $username;
+ var $password;
+ // Response vars
+ var $status;
+ var $headers = array();
+ var $content = '';
+ var $errormsg;
+ // Tracker variables
+ var $redirect_count = 0;
+ var $cookie_host = '';
+ function HttpClient($host, $port=80) {
+ $this->host = $host;
+ $this->port = $port;
+ }
+ function get($path, $data = false) {
+ $this->path = $path;
+ $this->method = 'GET';
+ if ($data) {
+ $this->path .= '?'.$this->buildQueryString($data);
+ }
+ return $this->doRequest();
+ }
+ function post($path, $data) {
+ $this->path = $path;
+ $this->method = 'POST';
+ $this->postdata = $this->buildQueryString($data);
+ return $this->doRequest();
+ }
+ function buildQueryString($data) {
+ $querystring = '';
+ if (is_array($data)) {
+ // Change data in to postable data
+ foreach ($data as $key => $val) {
+ if (is_array($val)) {
+ foreach ($val as $val2) {
+ $querystring .= urlencode($key).'='.urlencode($val2).'&';
+ }
+ } else {
+ $querystring .= urlencode($key).'='.urlencode($val).'&';
+ }
+ }
+ $querystring = substr($querystring, 0, -1); // Eliminate unnecessary &
+ } else {
+ $querystring = $data;
+ }
+ return $querystring;
+ }
+ function doRequest() {
+ // Performs the actual HTTP request, returning true or false depending on outcome
+ if (!$fp = @fsockopen($this->host, $this->port, $errno, $errstr, $this->timeout)) {
+ // Set error message
+ switch($errno) {
+ case -3:
+ $this->errormsg = 'Socket creation failed (-3)';
+ case -4:
+ $this->errormsg = 'DNS lookup failure (-4)';
+ case -5:
+ $this->errormsg = 'Connection refused or timed out (-5)';
+ default:
+ $this->errormsg = 'Connection failed ('.$errno.')';
+ $this->errormsg .= ' '.$errstr;
+ $this->debug($this->errormsg);
+ }
+ return false;
+ }
+ socket_set_timeout($fp, $this->timeout);
+ $request = $this->buildRequest();
+ $this->debug('Request', $request);
+ fwrite($fp, $request);
+ // Reset all the variables that should not persist between requests
+ $this->headers = array();
+ $this->content = '';
+ $this->errormsg = '';
+ // Set a couple of flags
+ $inHeaders = true;
+ $atStart = true;
+ // Now start reading back the response
+ while (!feof($fp)) {
+ $line = fgets($fp, 4096);
+ if ($atStart) {
+ // Deal with first line of returned data
+ $atStart = false;
+ if (!preg_match('/HTTP\/(\\d\\.\\d)\\s*(\\d+)\\s*(.*)/', $line, $m)) {
+ $this->errormsg = "Status code line invalid: ".htmlentities($line);
+ $this->debug($this->errormsg);
+ return false;
+ }
+ $http_version = $m[1]; // not used
+ $this->status = $m[2];
+ $status_string = $m[3]; // not used
+ $this->debug(trim($line));
+ continue;
+ }
+ if ($inHeaders) {
+ if (trim($line) == '') {
+ $inHeaders = false;
+ $this->debug('Received Headers', $this->headers);
+ if ($this->headers_only) {
+ break; // Skip the rest of the input
+ }
+ continue;
+ }
+ if (!preg_match('/([^:]+):\\s*(.*)/', $line, $m)) {
+ // Skip to the next header
+ continue;
+ }
+ $key = strtolower(trim($m[1]));
+ $val = trim($m[2]);
+ // Deal with the possibility of multiple headers of same name
+ if (isset($this->headers[$key])) {
+ if (is_array($this->headers[$key])) {
+ $this->headers[$key][] = $val;
+ } else {
+ $this->headers[$key] = array($this->headers[$key], $val);
+ }
+ } else {
+ $this->headers[$key] = $val;
+ }
+ continue;
+ }
+ // We're not in the headers, so append the line to the contents
+ $this->content .= $line;
+ }
+ fclose($fp);
+ // If data is compressed, uncompress it
+ if (isset($this->headers['content-encoding']) && $this->headers['content-encoding'] == 'gzip') {
+ $this->debug('Content is gzip encoded, unzipping it');
+ $this->content = substr($this->content, 10); // See http://www.php.net/manual/en/function.gzencode.php
+ $this->content = gzinflate($this->content);
+ }
+ // If $persist_cookies, deal with any cookies
+ if ($this->persist_cookies && isset($this->headers['set-cookie']) && $this->host == $this->cookie_host) {
+ $cookies = $this->headers['set-cookie'];
+ if (!is_array($cookies)) {
+ $cookies = array($cookies);
+ }
+ foreach ($cookies as $cookie) {
+ if (preg_match('/([^=]+)=([^;]+);/', $cookie, $m)) {
+ $this->cookies[$m[1]] = $m[2];
+ }
+ }
+ // Record domain of cookies for security reasons
+ $this->cookie_host = $this->host;
+ }
+ // If $persist_referers, set the referer ready for the next request
+ if ($this->persist_referers) {
+ $this->debug('Persisting referer: '.$this->getRequestURL());
+ $this->referer = $this->getRequestURL();
+ }
+ // Finally, if handle_redirects and a redirect is sent, do that
+ if ($this->handle_redirects) {
+ if (++$this->redirect_count >= $this->max_redirects) {
+ $this->errormsg = 'Number of redirects exceeded maximum ('.$this->max_redirects.')';
+ $this->debug($this->errormsg);
+ $this->redirect_count = 0;
+ return false;
+ }
+ $location = isset($this->headers['location']) ? $this->headers['location'] : '';
+ $uri = isset($this->headers['uri']) ? $this->headers['uri'] : '';
+ if ($location || $uri) {
+ $url = parse_url($location.$uri);
+ // This will FAIL if redirect is to a different site
+ return $this->get($url['path']);
+ }
+ }
+ return true;
+ }
+ function buildRequest() {
+ $headers = array();
+ $headers[] = "{$this->method} {$this->path} HTTP/1.0"; // Using 1.1 leads to all manner of problems, such as "chunked" encoding
+ $headers[] = "Host: {$this->host}";
+ $headers[] = "User-Agent: {$this->user_agent}";
+ $headers[] = "Accept: {$this->accept}";
+ if ($this->use_gzip) {
+ $headers[] = "Accept-encoding: {$this->accept_encoding}";
+ }
+ $headers[] = "Accept-language: {$this->accept_language}";
+ if ($this->referer) {
+ $headers[] = "Referer: {$this->referer}";
+ }
+ // Cookies
+ if ($this->cookies) {
+ $cookie = 'Cookie: ';
+ foreach ($this->cookies as $key => $value) {
+ $cookie .= "$key=$value; ";
+ }
+ $headers[] = $cookie;
+ }
+ // Basic authentication
+ if ($this->username && $this->password) {
+ $headers[] = 'Authorization: BASIC '.base64_encode($this->username.':'.$this->password);
+ }
+ // If this is a POST, set the content type and length
+ if ($this->postdata) {
+ $headers[] = 'Content-Type: application/x-www-form-urlencoded';
+ $headers[] = 'Content-Length: '.strlen($this->postdata);
+ }
+ $request = implode("\r\n", $headers)."\r\n\r\n".$this->postdata;
+ return $request;
+ }
+ function getStatus() {
+ return $this->status;
+ }
+ function getContent() {
+ return $this->content;
+ }
+ function getHeaders() {
+ return $this->headers;
+ }
+ function getHeader($header) {
+ $header = strtolower($header);
+ if (isset($this->headers[$header])) {
+ return $this->headers[$header];
+ } else {
+ return false;
+ }
+ }
+ function getError() {
+ return $this->errormsg;
+ }
+ function getCookies() {
+ return $this->cookies;
+ }
+ function getRequestURL() {
+ $url = 'http://'.$this->host;
+ if ($this->port != 80) {
+ $url .= ':'.$this->port;
+ }
+ $url .= $this->path;
+ return $url;
+ }
+ // Setter methods
+ function setUserAgent($string) {
+ $this->user_agent = $string;
+ }
+ function setAuthorization($username, $password) {
+ $this->username = $username;
+ $this->password = $password;
+ }
+ function setCookies($array) {
+ $this->cookies = $array;
+ }
+ // Option setting methods
+ function useGzip($boolean) {
+ $this->use_gzip = $boolean;
+ }
+ function setPersistCookies($boolean) {
+ $this->persist_cookies = $boolean;
+ }
+ function setPersistReferers($boolean) {
+ $this->persist_referers = $boolean;
+ }
+ function setHandleRedirects($boolean) {
+ $this->handle_redirects = $boolean;
+ }
+ function setMaxRedirects($num) {
+ $this->max_redirects = $num;
+ }
+ function setHeadersOnly($boolean) {
+ $this->headers_only = $boolean;
+ }
+ function setDebug($boolean) {
+ $this->debug = $boolean;
+ }
+ // "Quick" static methods
+ function quickGet($url) {
+ $bits = parse_url($url);
+ $host = $bits['host'];
+ $port = isset($bits['port']) ? $bits['port'] : 80;
+ $path = isset($bits['path']) ? $bits['path'] : '/';
+ if (isset($bits['query'])) {
+ $path .= '?'.$bits['query'];
+ }
+ $client = new HttpClient($host, $port);
+ if (!$client->get($path)) {
+ return false;
+ } else {
+ return $client->getContent();
+ }
+ }
+ function quickPost($url, $data) {
+ $bits = parse_url($url);
+ $host = $bits['host'];
+ $port = isset($bits['port']) ? $bits['port'] : 80;
+ $path = isset($bits['path']) ? $bits['path'] : '/';
+ $client = new HttpClient($host, $port);
+ if (!$client->post($path, $data)) {
+ return false;
+ } else {
+ return $client->getContent();
+ }
+ }
+ function debug($msg, $object = false) {
+ if ($this->debug) {
+ print '<div style="border: 1px solid red; padding: 0.5em; margin: 0.5em;"><strong>HttpClient Debug:</strong> '.$msg;
+ if ($object) {
+ ob_start();
+ print_r($object);
+ $content = htmlentities(ob_get_contents());
+ ob_end_clean();
+ print '<pre>'.$content.'</pre>';
+ }
+ print '</div>';
+ }
+ }
+}
+
+?>
\ No newline at end of file
BGBM BDI Projects / geo.git / blobdiff