forked from extern/egroupware
541 lines
14 KiB
PHP
541 lines
14 KiB
PHP
<?php
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// by Edd Dumbill (C) 1999-2001
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// <edd@usefulinc.com>
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// xmlrpc.inc,v 1.18 2001/07/06 18:23:57 edmundd
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// License is granted to use or modify this software ("XML-RPC for PHP")
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// for commercial or non-commercial use provided the copyright of the author
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// is preserved in any distributed or derivative work.
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESSED OR
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// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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if (!function_exists('xml_parser_create'))
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{
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// Win 32 fix. From: "Leo West" <lwest@imaginet.fr>
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if($WINDIR)
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{
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dl('php3_xml.dll');
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}
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else
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{
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dl('xml.so');
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}
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}
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$xmlrpcI4 = 'i4';
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$xmlrpcInt = 'int';
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$xmlrpcBoolean = 'boolean';
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$xmlrpcDouble = 'double';
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$xmlrpcString = 'string';
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$xmlrpcDateTime = 'dateTime.iso8601';
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$xmlrpcBase64 = 'base64';
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$xmlrpcArray = 'array';
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$xmlrpcStruct = 'struct';
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$xmlrpcTypes = array(
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$xmlrpcI4 => 1,
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$xmlrpcInt => 1,
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$xmlrpcBoolean => 1,
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$xmlrpcString => 1,
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$xmlrpcDouble => 1,
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$xmlrpcDateTime => 1,
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$xmlrpcBase64 => 1,
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$xmlrpcArray => 2,
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$xmlrpcStruct => 3
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);
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$xmlEntities=array(
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'amp' => '&',
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'quot' => '"',
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'lt' => '<',
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'gt' => '>',
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'apos' => "'"
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);
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$xmlrpcerr['unknown_method'] = 1;
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$xmlrpcstr['unknown_method'] = 'Unknown method';
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$xmlrpcerr['invalid_return'] = 2;
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$xmlrpcstr['invalid_return'] = 'Invalid return payload: enabling debugging to examine incoming payload';
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$xmlrpcerr['incorrect_params'] = 3;
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$xmlrpcstr['incorrect_params'] = 'Incorrect parameters passed to method';
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$xmlrpcerr['introspect_unknown'] = 4;
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$xmlrpcstr['introspect_unknown'] = "Can't introspect: method unknown";
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$xmlrpcerr['http_error'] = 5;
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$xmlrpcstr['http_error'] = "Didn't receive 200 OK from remote server.";
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$xmlrpc_defencoding = 'UTF-8';
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$xmlrpcName = 'XML-RPC for PHP';
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$xmlrpcVersion = '1.0b9';
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// let user errors start at 800
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$xmlrpcerruser = 800;
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// let XML parse errors start at 100
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$xmlrpcerrxml = 100;
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// formulate backslashes for escaping regexp
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$xmlrpc_backslash = chr(92) . chr(92);
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// used to store state during parsing
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// quick explanation of components:
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// st - used to build up a string for evaluation
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// ac - used to accumulate values
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// qt - used to decide if quotes are needed for evaluation
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// cm - used to denote struct or array (comma needed)
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// isf - used to indicate a fault
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// lv - used to indicate "looking for a value": implements
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// the logic to allow values with no types to be strings
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// params - used to store parameters in method calls
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// method - used to store method name
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$_xh=array();
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function xmlrpc_entity_decode($string)
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{
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$top = split("&", $string);
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$op = '';
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$i = 0;
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while($i<sizeof($top))
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{
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if (ereg("^([#a-zA-Z0-9]+);", $top[$i], $regs))
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{
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$op .= ereg_replace("^[#a-zA-Z0-9]+;",
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xmlrpc_lookup_entity($regs[1]), $top[$i]);
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}
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else
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{
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if ($i == 0)
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{
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$op = $top[$i];
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}
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else
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{
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$op .= '&' . $top[$i];
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}
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}
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$i++;
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}
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return $op;
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}
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function xmlrpc_lookup_entity($ent)
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{
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global $xmlEntities;
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if (isset($xmlEntities[strtolower($ent)]))
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{
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return $xmlEntities[strtolower($ent)];
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}
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if (ereg("^#([0-9]+)$", $ent, $regs))
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{
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return chr($regs[1]);
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}
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return '?';
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}
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function xmlrpc_se($parser, $name, $attrs)
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{
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global $_xh, $xmlrpcDateTime, $xmlrpcString;
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switch($name)
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{
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case 'STRUCT':
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case 'ARRAY':
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$_xh[$parser]['st'] .= 'array(';
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$_xh[$parser]['cm']++;
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// this last line turns quoting off
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// this means if we get an empty array we'll
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// simply get a bit of whitespace in the eval
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$_xh[$parser]['qt']=0;
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break;
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case 'NAME':
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$_xh[$parser]['st'] .= "'";
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$_xh[$parser]['ac'] = '';
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break;
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case 'FAULT':
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$_xh[$parser]['isf'] = 1;
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break;
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case 'PARAM':
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$_xh[$parser]['st'] = '';
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break;
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case 'VALUE':
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$_xh[$parser]['st'] .= " CreateObject('phpgwapi.xmlrpcval',";
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$_xh[$parser]['vt'] = $xmlrpcString;
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$_xh[$parser]['ac'] = '';
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$_xh[$parser]['qt'] = 0;
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$_xh[$parser]['lv'] = 1;
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// look for a value: if this is still 1 by the
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// time we reach the first data segment then the type is string
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// by implication and we need to add in a quote
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break;
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case 'I4':
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case 'INT':
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case 'STRING':
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case 'BOOLEAN':
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case 'DOUBLE':
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case 'DATETIME.ISO8601':
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case 'BASE64':
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$_xh[$parser]['ac']=''; // reset the accumulator
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if ($name=='DATETIME.ISO8601' || $name=='STRING')
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{
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$_xh[$parser]['qt']=1;
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if ($name=='DATETIME.ISO8601')
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{
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$_xh[$parser]['vt']=$xmlrpcDateTime;
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}
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}
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elseif($name=='BASE64')
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{
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$_xh[$parser]['qt']=2;
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}
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else
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{
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// No quoting is required here -- but
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// at the end of the element we must check
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// for data format errors.
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$_xh[$parser]['qt']=0;
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}
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break;
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case 'MEMBER':
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$_xh[$parser]['ac']='';
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break;
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default:
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break;
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}
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if ($name!='VALUE')
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{
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$_xh[$parser]['lv']=0;
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}
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}
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function xmlrpc_ee($parser, $name)
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{
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global $_xh,$xmlrpcTypes,$xmlrpcString;
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switch($name)
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{
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case 'STRUCT':
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case 'ARRAY':
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if ($_xh[$parser]['cm'] && substr($_xh[$parser]['st'], -1) ==',')
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{
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$_xh[$parser]['st']=substr($_xh[$parser]['st'],0,-1);
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}
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$_xh[$parser]['st'].=")";
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$_xh[$parser]['vt']=strtolower($name);
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$_xh[$parser]['cm']--;
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break;
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case 'NAME':
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$_xh[$parser]['st'].= $_xh[$parser]['ac'] . "' => ";
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break;
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case 'BOOLEAN':
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// special case here: we translate boolean 1 or 0 into PHP
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// constants true or false
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if ($_xh[$parser]['ac']=='1')
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{
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$_xh[$parser]['ac']='True';
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}
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else
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{
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$_xh[$parser]['ac']='false';
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}
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$_xh[$parser]['vt']=strtolower($name);
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// Drop through intentionally.
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case 'I4':
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case 'INT':
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case 'STRING':
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case 'DOUBLE':
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case 'DATETIME.ISO8601':
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case 'BASE64':
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if ($_xh[$parser]['qt']==1)
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{
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// we use double quotes rather than single so backslashification works OK
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$_xh[$parser]['st'].="\"". $_xh[$parser]['ac'] . "\"";
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}
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elseif ($_xh[$parser]['qt']==2)
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{
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$_xh[$parser]['st'].="base64_decode('". $_xh[$parser]['ac'] . "')";
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}
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else if ($name=='BOOLEAN')
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{
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$_xh[$parser]['st'].=$_xh[$parser]['ac'];
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}
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else
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{
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// we have an I4, INT or a DOUBLE
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// we must check that only 0123456789-.<space> are characters here
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if (!ereg("^\-?[0123456789 \t\.]+$", $_xh[$parser]['ac']))
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{
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// TODO: find a better way of throwing an error
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// than this!
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error_log("XML-RPC: non numeric value received in INT or DOUBLE");
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$_xh[$parser]['st'].="ERROR_NON_NUMERIC_FOUND";
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}
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else
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{
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// it's ok, add it on
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$_xh[$parser]['st'].=$_xh[$parser]['ac'];
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}
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}
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$_xh[$parser]['ac']=""; $_xh[$parser]['qt']=0;
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$_xh[$parser]['lv']=3; // indicate we've found a value
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break;
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case 'VALUE':
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// deal with a string value
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if (strlen($_xh[$parser]['ac'])>0 &&
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$_xh[$parser]['vt']==$xmlrpcString)
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{
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$_xh[$parser]['st'].="\"". $_xh[$parser]['ac'] . "\"";
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}
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// This if() detects if no scalar was inside <VALUE></VALUE>
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// and pads an empty "".
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if($_xh[$parser]['st'][strlen($_xh[$parser]['st'])-1] == '(')
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{
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$_xh[$parser]['st'].= '""';
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}
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$_xh[$parser]['st'].=", '" . $_xh[$parser]['vt'] . "')";
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if ($_xh[$parser]['cm'])
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{
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$_xh[$parser]['st'].=",";
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}
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break;
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case 'MEMBER':
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$_xh[$parser]['ac']=""; $_xh[$parser]['qt']=0;
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break;
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case 'DATA':
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$_xh[$parser]['ac']=""; $_xh[$parser]['qt']=0;
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break;
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case 'PARAM':
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$_xh[$parser]['params'][]=$_xh[$parser]['st'];
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break;
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case 'METHODNAME':
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$_xh[$parser]['method']=ereg_replace("^[\n\r\t ]+", "", $_xh[$parser]['ac']);
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break;
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case 'BOOLEAN':
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// special case here: we translate boolean 1 or 0 into PHP
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// constants true or false
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if ($_xh[$parser]['ac']=='1')
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{
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$_xh[$parser]['ac']="True";
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}
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else
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{
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$_xh[$parser]['ac']="false";
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}
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$_xh[$parser]['vt']=strtolower($name);
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break;
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default:
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break;
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}
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// if it's a valid type name, set the type
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if (isset($xmlrpcTypes[strtolower($name)]))
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{
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$_xh[$parser]['vt']=strtolower($name);
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}
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}
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function xmlrpc_cd($parser, $data)
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{
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global $_xh, $xmlrpc_backslash;
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//if (ereg("^[\n\r \t]+$", $data)) return;
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// print "adding [${data}]\n";
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if ($_xh[$parser]['lv']!=3)
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{
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// "lookforvalue==3" means that we've found an entire value
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// and should discard any further character data
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if ($_xh[$parser]['lv']==1)
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{
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// if we've found text and we're just in a <value> then
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// turn quoting on, as this will be a string
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$_xh[$parser]['qt']=1;
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// and say we've found a value
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$_xh[$parser]['lv']=2;
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}
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if (isset($_xh[$parser]['qt']) && $_xh[$parser]['qt'])
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{
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// quoted string: replace characters that eval would
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// do special things with
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$_xh[$parser]['ac'].=str_replace('$', '\$',
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str_replace('"', '\"',
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str_replace(chr(92),$xmlrpc_backslash, $data)));
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}
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else
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{
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$_xh[$parser]['ac'].=$data;
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}
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}
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}
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function xmlrpc_dh($parser, $data)
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{
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global $_xh;
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if (substr($data, 0, 1) == "&" && substr($data, -1, 1) == ";")
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{
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if ($_xh[$parser]['lv']==1)
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{
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$_xh[$parser]['qt']=1;
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$_xh[$parser]['lv']=2;
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}
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$_xh[$parser]['ac'].=$data;
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}
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}
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// date helpers
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function iso8601_encode($timet, $utc=0)
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{
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// return an ISO8601 encoded string
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// really, timezones ought to be supported
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// but the XML-RPC spec says:
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//
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// "Don't assume a timezone. It should be specified by the server in its
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// documentation what assumptions it makes about timezones."
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//
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// these routines always assume localtime unless
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// $utc is set to 1, in which case UTC is assumed
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// and an adjustment for locale is made when encoding
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if (!$utc)
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{
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$t=strftime("%Y%m%dT%H:%M:%S", $timet);
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}
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else
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{
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if (function_exists("gmstrftime"))
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{
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// gmstrftime doesn't exist in some versions
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// of PHP
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$t=gmstrftime("%Y%m%dT%H:%M:%S", $timet);
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}
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else
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{
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$t=strftime("%Y%m%dT%H:%M:%S", $timet-date("Z"));
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}
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}
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return $t;
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}
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function iso8601_decode($idate, $utc=0)
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{
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// return a timet in the localtime, or UTC
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$t=0;
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if (ereg("([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})",$idate, $regs))
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{
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if ($utc)
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{
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$t=gmmktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
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}
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else
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{
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$t=mktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
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}
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}
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return $t;
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}
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/****************************************************************
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* xmlrpc_decode takes a message in PHP xmlrpc object format and *
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* tranlates it into native PHP types. *
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* *
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* author: Dan Libby (dan@libby.com) *
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****************************************************************/
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function xmlrpc_decode($xmlrpc_val)
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{
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$kind = $xmlrpc_val->kindOf();
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if($kind == "scalar")
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{
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return $xmlrpc_val->scalarval();
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}
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elseif($kind == "array")
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{
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$size = $xmlrpc_val->arraysize();
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$arr = array();
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for($i = 0; $i < $size; $i++)
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{
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$arr[]=xmlrpc_decode($xmlrpc_val->arraymem($i));
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}
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return $arr;
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}
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elseif($kind == "struct")
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{
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$xmlrpc_val->structreset();
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$arr = array();
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while(list($key,$value)=$xmlrpc_val->structeach())
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{
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$arr[$key] = xmlrpc_decode($value);
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}
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return $arr;
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}
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}
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/****************************************************************
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* xmlrpc_encode takes native php types and encodes them into *
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* xmlrpc PHP object format. *
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* BUG: All sequential arrays are turned into structs. I don't *
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* know of a good way to determine if an array is sequential *
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* only. *
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* *
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* feature creep -- could support more types via optional type *
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* argument. *
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* *
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* author: Dan Libby (dan@libby.com) *
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****************************************************************/
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function xmlrpc_encode($php_val)
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{
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global $xmlrpcInt;
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global $xmlrpcDouble;
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global $xmlrpcString;
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global $xmlrpcArray;
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global $xmlrpcStruct;
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$type = gettype($php_val);
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$xmlrpc_val = CreateObject('phpgwapi.xmlrpcval');
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switch($type)
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{
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case "array":
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case "object":
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$arr = array();
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while (list($k,$v) = each($php_val))
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{
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$arr[$k] = xmlrpc_encode($v);
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}
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$xmlrpc_val->addStruct($arr);
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break;
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case "integer":
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$xmlrpc_val->addScalar($php_val, $xmlrpcInt);
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break;
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case "double":
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$xmlrpc_val->addScalar($php_val, $xmlrpcDouble);
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break;
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case "string":
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$xmlrpc_val->addScalar($php_val, $xmlrpcString);
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break;
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// <G_Giunta_2001-02-29>
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|
// Add support for encoding/decoding of booleans, since they are supported in PHP
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case "boolean":
|
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$xmlrpc_val->addScalar($php_val, $xmlrpcBoolean);
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break;
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// </G_Giunta_2001-02-29>
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case "unknown type":
|
|
default:
|
|
$xmlrpc_val = false;
|
|
break;
|
|
}
|
|
return $xmlrpc_val;
|
|
}
|
|
?>
|