ILIAS  eassessment Revision 61809
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Server.php
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1 <?php
2 
3 /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */
4 
5 // LICENSE AGREEMENT. If folded, press za here to unfold and read license {{{
6 
40 // }}}
41 
42 // dependencies {{{
43 require_once 'XML/RPC2/Exception.php';
44 require_once 'XML/RPC2/Backend.php';
45 // }}}
46 
47 
97 abstract class XML_RPC2_Server
98 {
99 
100  // {{{ properties
101 
109  protected $callHandler = null;
110 
116  protected $prefix = '';
117 
125  protected $encoding = 'iso-8859-1';
126 
132  protected $autoDocument = true;
133 
139  protected $autoDocumentExternalLinks = true;
140 
149  protected $signatureChecking = true;
150 
151  // }}}
152  // {{{ constructor
153 
160  protected function __construct($callHandler, $options = array())
161  {
162  $this->callHandler = $callHandler;
163  if ((isset($options['prefix'])) && (is_string($options['prefix']))) {
164  $this->prefix = $options['prefix'];
165  }
166  if ((isset($options['encoding'])) && (is_string($options['encoding']))) {
167  $this->encoding = $options['encoding'];
168  }
169  if ((isset($options['autoDocument'])) && (is_bool($options['autoDocument']))) {
170  $this->autoDocument = $options['autoDocument'];
171  }
172  if ((isset($options['autoDocumentExternalLinks'])) && (is_bool($options['autoDocumentExternalLinks']))) {
173  $this->autoDocumentExternalLinks = $options['autoDocumentExternalLinks'];
174  }
175  if ((isset($options['signatureChecking'])) && (is_bool($options['signatureChecking']))) {
176  $this->signatureChecking = $options['signatureChecking'];
177  }
178  }
179 
180  // }}}
181  // {{{ create()
182 
190  public static function create($callTarget, $options = array())
191  {
192  if (isset($options['backend'])) {
193  XML_RPC2_Backend::setBackend($options['backend']);
194  }
195  if (isset($options['prefix'])) {
196  $prefix = $options['prefix'];
197  } else {
198  $prefix = '';
199  }
200  $backend = XML_RPC2_Backend::getServerClassname();
201  // Find callHandler class
202  if (!isset($options['callHandler'])) {
203  if (is_object($callTarget)) { // Delegate calls to instance methods
204  require_once 'XML/RPC2/Server/CallHandler/Instance.php';
205  $callHandler = new XML_RPC2_Server_CallHandler_Instance($callTarget, $prefix);
206  } else { // Delegate calls to static class methods
207  require_once 'XML/RPC2/Server/CallHandler/Class.php';
208  $callHandler = new XML_RPC2_Server_CallHandler_Class($callTarget, $prefix);
209  }
210  } else {
211  $callHandler = $options['callHandler'];
212  }
213  return new $backend($callHandler, $options);
214  }
215 
216  // }}}
217  // {{{ handleCall()
218 
223  public abstract function handleCall();
224 
225  // }}}
226  // {{{ errorToException()
227 
236  public static function errorToException($errno, $errstr, $errfile, $errline)
237  {
238  switch ($errno) {
239  case E_WARNING:
240  case E_NOTICE:
241  case E_USER_WARNING:
242  case E_USER_NOTICE:
243  case E_STRICT:
244  // Silence warnings
245  // TODO Logging should occur here
246  break;
247  default:
248  throw new Exception('Classic error reported "' . $errstr . '" on ' . $errfile . ':' . $errline);
249  }
250  }
251 
252  // }}}
253  // {{{ autoDocument()
254  /* autoDocument {{{ */
260  public function autoDocument()
261  /* }}} */
262  {
263  print "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n";
264  print "<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\" xml:lang=\"en\">\n";
265  print " <head>\n";
266  print " <meta http-equiv=\"Content-Type\" content=\"text/HTML; charset=" . $this->encoding . "\" />\n";
267  print " <title>Available XMLRPC methods for this server</title>\n";
268  print " <style type=\"text/css\">\n";
269  print " li,p { font-size: 10pt; font-family: Arial,Helvetia,sans-serif; }\n";
270  print " a:link { background-color: white; color: blue; text-decoration: underline; font-weight: bold; }\n";
271  print " a:visited { background-color: white; color: blue; text-decoration: underline; font-weight: bold; }\n";
272  print " table { border-collapse:collapse; width: 100% }\n";
273  print " table,td { padding: 5px; border: 1px solid black; }\n";
274  print " div.bloc { border: 1px dashed gray; padding: 10px; margin-bottom: 20px; }\n";
275  print " div.description { border: 1px solid black; padding: 10px; }\n";
276  print " span.type { background-color: white; color: gray; font-weight: normal; }\n";
277  print " span.paratype { background-color: white; color: gray; font-weight: normal; }\n";
278  print " span.name { background-color: white; color: #660000; }\n";
279  print " span.paraname { background-color: white; color: #336600; }\n";
280  print " img { border: 0px; }\n";
281  print " li { font-size: 12pt; }\n";
282  print " </style>\n";
283  print " </head>\n";
284  print " <body>\n";
285  print " <h1>Available XMLRPC methods for this server</h1>\n";
286  print " <h2><a name=\"index\">Index</a></h2>\n";
287  print " <ul>\n";
288  foreach ($this->callHandler->getMethods() as $method) {
289  $name = $method->getName();
290  $id = md5($name);
291  $signature = $method->getHTMLSignature();
292  print " <li><a href=\"#$id\">$name()</a></li>\n";
293  }
294  print " </ul>\n";
295  print " <h2>Details</h2>\n";
296  foreach ($this->callHandler->getMethods() as $method) {
297  print " <div class=\"bloc\">\n";
298  $method->autoDocument();
299  print " <p>(return to <a href=\"#index\">index</a>)</p>\n";
300  print " </div>\n";
301  }
302  if (!($this->autoDocumentExternalLinks)) {
303  print ' <p><a href="http://pear.php.net/packages/XML_RPC2"><img src="http://pear.php.net/gifs/pear-power.png" alt="Powered by PEAR/XML_RPC2" height="31" width="88" /></a> &nbsp; &nbsp; &nbsp; <a href="http://validator.w3.org/check?uri=referer"><img src="http://www.w3.org/Icons/valid-xhtml10" alt="Valid XHTML 1.0 Strict" height="31" width="88" /></a> &nbsp; &nbsp; &nbsp; <a href="http://jigsaw.w3.org/css-validator/"><img style="border:0;width:88px;height:31px" src="http://jigsaw.w3.org/css-validator/images/vcss" alt="Valid CSS!" /></a></p>' . "\n";
304  }
305  print " </body>\n";
306  print "</html>\n";
307  }
308  // }}}
309  // {{{ getContentLength()
310 
318  protected function getContentLength($content)
319  {
320  if (extension_loaded('mbstring') && (ini_get('mbstring.func_overload') & 2) == 2) {
321  $length = mb_strlen($content, '8bit');
322  } else {
323  $length = strlen((binary)$content);
324  }
325 
326  return $length;
327  }
328 
329  // }}}
330 }
331 
332 ?>