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+<?php
+
+/*
+ This file is part of, or distributed with, libXMLRPC - a C library for
+ xml-encoded function calls.
+
+ Author: Dan Libby (dan@libby.com)
+ Epinions.com may be contacted at feedback@epinions-inc.com
+*/
+
+/*
+ Copyright 2001 Epinions, Inc.
+
+ Subject to the following 3 conditions, Epinions, Inc. permits you, free
+ of charge, to (a) use, copy, distribute, modify, perform and display this
+ software and associated documentation files (the "Software"), and (b)
+ permit others to whom the Software is furnished to do so as well.
+
+ 1) The above copyright notice and this permission notice shall be included
+ without modification in all copies or substantial portions of the
+ Software.
+
+ 2) THE SOFTWARE IS PROVIDED "AS IS", WITHOUT ANY WARRANTY OR CONDITION OF
+ ANY KIND, EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION ANY
+ IMPLIED WARRANTIES OF ACCURACY, MERCHANTABILITY, FITNESS FOR A PARTICULAR
+ PURPOSE OR NONINFRINGEMENT.
+
+ 3) IN NO EVENT SHALL EPINIONS, INC. BE LIABLE FOR ANY DIRECT, INDIRECT,
+ SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOST PROFITS ARISING OUT
+ OF OR IN CONNECTION WITH THE SOFTWARE (HOWEVER ARISING, INCLUDING
+ NEGLIGENCE), EVEN IF EPINIONS, INC. IS AWARE OF THE POSSIBILITY OF SUCH
+ DAMAGES.
+
+*/
+
+
+/* xmlrpc utilities (xu)
+ * author: Dan Libby (dan@libby.com)
+ */
+
+// ensure extension is loaded.
+xu_load_extension();
+
+// a function to ensure the xmlrpc extension is loaded.
+// xmlrpc_epi_dir = directory where libxmlrpc.so.0 is located
+// xmlrpc_php_dir = directory where xmlrpc-epi-php.so is located
+function xu_load_extension($xmlrpc_php_dir="") {
+ $bSuccess=false;
+ if(!extension_loaded('xmlrpc')) {
+ $bSuccess = true;
+ putenv("LD_LIBRARY_PATH=/usr/lib/php4/apache/xmlrpc/");
+ if ($xmlrpc_php_dir) {
+ $xmlrpc_php_dir .= '/';
+ }
+ if (!extension_loaded("xmlrpc")) {
+ $bSuccess = dl($xmlrpc_php_dir . "xmlrpc-epi-php.so");
+ }
+ }
+ return $bSuccess;
+}
+
+/* generic function to call an http server with post method */
+function xu_query_http_post($request, $host, $uri, $port, $debug,
+ $timeout, $user, $pass, $secure=false) {
+ $response_buf = "";
+ if ($host && $uri && $port) {
+ $content_len = strlen($request);
+
+ $fsockopen = $secure ? "fsockopen_ssl" : "fsockopen";
+
+ dbg1("opening socket to host: $host, port: $port, uri: $uri", $debug);
+ $query_fd = $fsockopen($host, $port, $errno, $errstr, 10);
+
+ if ($query_fd) {
+
+ $auth = "";
+ if ($user) {
+ $auth = "Authorization: Basic " .
+ base64_encode($user . ":" . $pass) . "\r\n";
+ }
+
+ $http_request =
+ "POST $uri HTTP/1.0\r\n" .
+ "User-Agent: xmlrpc-epi-php/0.2 (PHP)\r\n" .
+ "Host: $host:$port\r\n" .
+ $auth .
+ "Content-Type: text/xml\r\n" .
+ "Content-Length: $content_len\r\n" .
+ "\r\n" .
+ $request;
+
+ dbg1("sending http request:</h3> <xmp>\n$http_request\n</xmp>", $debug);
+
+ fputs($query_fd, $http_request, strlen($http_request));
+
+ dbg1("receiving response...", $debug);
+
+ $header_parsed = false;
+
+ $line = fgets($query_fd, 4096);
+ while ($line) {
+ if (!$header_parsed) {
+ if ($line === "\r\n" || $line === "\n") {
+ $header_parsed = 1;
+ }
+ dbg2("got header - $line", $debug);
+ }
+ else {
+ $response_buf .= $line;
+ }
+ $line = fgets($query_fd, 4096);
+ }
+
+ fclose($query_fd);
+ }
+ else {
+ dbg1("socket open failed", $debug);
+ }
+ }
+ else {
+ dbg1("missing param(s)", $debug);
+ }
+
+ dbg1("got response:</h3>. <xmp>\n$response_buf\n</xmp>\n", $debug);
+
+ return $response_buf;
+}
+
+function xu_fault_code($code, $string) {
+ return array('faultCode' => $code,
+ 'faultString' => $string);
+}
+
+
+function find_and_decode_xml($buf, $debug) {
+ if (strlen($buf)) {
+ $xml_begin = substr($buf, strpos($buf, "<?xml"));
+ if (strlen($xml_begin)) {
+
+ $retval = xmlrpc_decode($xml_begin);
+ }
+ else {
+ dbg1("xml start token not found", $debug);
+ }
+ }
+ else {
+ dbg1("no data", $debug);
+ }
+ return $retval;
+}
+
+
+/**
+ * @param params a struct containing 3 or more of these key/val pairs:
+ * @param host remote host (required)
+ * @param uri remote uri (required)
+ * @param port remote port (required)
+ * @param method name of method to call
+ * @param args arguments to send (parameters to remote xmlrpc server)
+ * @param debug debug level (0 none, 1, some, 2 more)
+ * @param timeout timeout in secs. (0 = never)
+ * @param user user name for authentication.
+ * @param pass password for authentication
+ * @param secure secure. wether to use fsockopen_ssl. (requires special php build).
+ * @param output array. xml output options. can be null. details below:
+ *
+ * output_type: return data as either php native data types or xml
+ * encoded. ifphp is used, then the other values are ignored. default = xml
+ * verbosity: determine compactness of generated xml. options are
+ * no_white_space, newlines_only, and pretty. default = pretty
+ * escaping: determine how/whether to escape certain characters. 1 or
+ * more values are allowed. If multiple, they need to be specified as
+ * a sub-array. options are: cdata, non-ascii, non-print, and
+ * markup. default = non-ascii | non-print | markup
+ * version: version of xml vocabulary to use. currently, three are
+ * supported: xmlrpc, soap 1.1, and simple. The keyword auto is also
+ * recognized to mean respond in whichever version the request came
+ * in. default = auto (when applicable), xmlrpc
+ * encoding: the encoding that the data is in. Since PHP defaults to
+ * iso-8859-1 you will usually want to use that. Change it if you know
+ * what you are doing. default=iso-8859-1
+ *
+ * example usage
+ *
+ * $output_options = array('output_type' => 'xml',
+ * 'verbosity' => 'pretty',
+ * 'escaping' => array('markup', 'non-ascii', 'non-print'),
+ * 'version' => 'xmlrpc',
+ * 'encoding' => 'utf-8'
+ * );
+ * or
+ *
+ * $output_options = array('output_type' => 'php');
+ */
+function xu_rpc_http_concise($params) {
+ $host = $uri = $port = $method = $args = $debug = null;
+ $timeout = $user = $pass = $secure = $debug = null;
+
+ extract($params);
+
+ // default values
+ if(!$port) {
+ $port = 80;
+ }
+ if(!$uri) {
+ $uri = '/';
+ }
+ if(!isset($output)) {
+ $output = array('version' => 'xmlrpc');
+ }
+
+ $response_buf = "";
+ if ($host && $uri && $port) {
+ $request_xml = xmlrpc_encode_request($method, $args, $output);
+ $response_buf = xu_query_http_post($request_xml, $host, $uri, $port, $debug,
+ $timeout, $user, $pass, $secure);
+
+ $retval = find_and_decode_xml($response_buf, $debug);
+ }
+ return $retval;
+}
+
+/* call an xmlrpc method on a remote http server. legacy support. */
+function xu_rpc_http($method, $args, $host, $uri="/", $port=80, $debug=false,
+ $timeout=0, $user=false, $pass=false, $secure=false) {
+ return xu_rpc_http_concise(
+ array(
+ method => $method,
+ args => $args,
+ host => $host,
+ uri => $uri,
+ port => $port,
+ debug => $debug,
+ timeout => $timeout,
+ user => $user,
+ pass => $pass,
+ secure => $secure
+ ));
+}
+
+
+
+function xu_is_fault($arg) {
+ // xmlrpc extension finally supports this.
+ return is_array($arg) ? xmlrpc_is_fault($arg) : false;
+}
+
+/* sets some http headers and prints xml */
+function xu_server_send_http_response($xml) {
+ header("Content-type: text/xml");
+ header("Content-length: " . strlen($xml) );
+ echo $xml;
+}
+
+
+function dbg($msg) {
+ echo "<h3>$msg</h3>"; flush();
+}
+function dbg1($msg, $debug_level) {
+ if ($debug_level >= 1) {
+ dbg($msg);
+ }
+}
+function dbg2($msg, $debug_level) {
+ if ($debug_level >= 2) {
+ dbg($msg);
+ }
+}
+
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