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Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 4.3.x will end 7 October 2024 (12 months).
  • Bug fixes for security issues in 4.3.x will end 21 April 2025 (18 months).
  • PHP version: minimum PHP 8.0.0 Note: minimum PHP version has increased since Moodle 4.1. PHP 8.2.x is supported too.

Differences Between: [Versions 310 and 403] [Versions 311 and 403] [Versions 39 and 403] [Versions 400 and 403] [Versions 401 and 403]

   1  <?php
   2  
   3  // This file is part of Moodle - http://moodle.org/
   4  //
   5  // Moodle is free software: you can redistribute it and/or modify
   6  // it under the terms of the GNU General Public License as published by
   7  // the Free Software Foundation, either version 3 of the License, or
   8  // (at your option) any later version.
   9  //
  10  // Moodle is distributed in the hope that it will be useful,
  11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  // GNU General Public License for more details.
  14  //
  15  // You should have received a copy of the GNU General Public License
  16  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17  
  18  /**
  19   * Web service test client.
  20   *
  21   * @package   webservice
  22   * @copyright 2009 Moodle Pty Ltd (http://moodle.com)
  23   * @author    Petr Skoda (skodak)
  24   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25   */
  26  
  27  require('../../config.php');
  28  require_once($CFG->libdir.'/adminlib.php');
  29  require_once($CFG->dirroot . "/" . $CFG->admin . "/webservice/testclient_forms.php");
  30  
  31  $function = optional_param('function', '', PARAM_PLUGIN);
  32  $protocol = optional_param('protocol', '', PARAM_ALPHA);
  33  $authmethod = optional_param('authmethod', '', PARAM_ALPHA);
  34  
  35  $PAGE->set_url('/' . $CFG->admin . '/webservice/testclient.php');
  36  $PAGE->navbar->ignore_active(true);
  37  $PAGE->navbar->add(get_string('administrationsite'));
  38  $PAGE->navbar->add(get_string('development', 'admin'));
  39  $PAGE->navbar->add(get_string('testclient', 'webservice'),
  40          new moodle_url('/' . $CFG->admin . '/webservice/testclient.php'));
  41  if (!empty($function)) {
  42      $PAGE->navbar->add($function);
  43  }
  44  
  45  admin_externalpage_setup('testclient');
  46  
  47  // list of all available functions for testing
  48  $allfunctions = $DB->get_records('external_functions', array(), 'name ASC');
  49  $functions = array();
  50  foreach ($allfunctions as $f) {
  51      $finfo = \core_external\external_api::external_function_info($f);
  52      if (!empty($finfo->testclientpath) and file_exists($CFG->dirroot.'/'.$finfo->testclientpath)) {
  53          //some plugins may want to have own test client forms
  54          include_once($CFG->dirroot.'/'.$finfo->testclientpath);
  55      }
  56      $class = $f->name.'_testclient_form';
  57      if (class_exists($class)) {
  58          $functions[$f->name] = $f->name;
  59          continue;
  60      }
  61  }
  62  
  63  // Allow only functions available for testing.
  64  if (!isset($functions[$function])) {
  65      $function = '';
  66  }
  67  
  68  // list all enabled webservices
  69  $available_protocols = core_component::get_plugin_list('webservice');
  70  $active_protocols = empty($CFG->webserviceprotocols) ? array() : explode(',', $CFG->webserviceprotocols);
  71  $protocols = array();
  72  foreach ($active_protocols as $p) {
  73      if (empty($available_protocols[$p])) {
  74          continue;
  75      }
  76      include_once($available_protocols[$p].'/locallib.php');
  77      if (!class_exists('webservice_'.$p.'_test_client')) {
  78          // test client support not implemented
  79          continue;
  80      }
  81      $protocols[$p] = get_string('pluginname', 'webservice_'.$p);
  82  }
  83  
  84  // Allow only protocols supporting the test client.
  85  if (!isset($protocols[$protocol])) {
  86      $protocol = '';
  87  }
  88  
  89  if (!$function or !$protocol) {
  90      $mform = new webservice_test_client_form(null, array($functions, $protocols));
  91      echo $OUTPUT->header();
  92      echo $OUTPUT->heading(get_string('testclient', 'webservice'));
  93      echo $OUTPUT->box_start();
  94      $url = new moodle_url('/' . $CFG->admin . '/settings.php?section=debugging');
  95      $atag =html_writer::start_tag('a', array('href' => $url)).get_string('debug', 'admin').html_writer::end_tag('a');
  96      $descparams = new stdClass();
  97      $descparams->atag = $atag;
  98      $descparams->mode = get_string('debugnormal', 'admin');
  99      echo get_string('testclientdescription', 'webservice', $descparams);
 100      echo $OUTPUT->box_end();
 101  
 102      $mform->display();
 103      echo $OUTPUT->footer();
 104      die;
 105  }
 106  
 107  $class = $function.'_testclient_form';
 108  
 109  $mform = new $class(null, array('authmethod' => $authmethod));
 110  $mform->set_data(array('function'=>$function, 'protocol'=>$protocol));
 111  
 112  if ($mform->is_cancelled()) {
 113      redirect('testclient.php');
 114  
 115  } else if ($data = $mform->get_data()) {
 116  
 117      $functioninfo = \core_external\external_api::external_function_info($function);
 118  
 119      // first load lib of selected protocol
 120      require_once("$CFG->dirroot/webservice/$protocol/locallib.php");
 121  
 122      $testclientclass = "webservice_{$protocol}_test_client";
 123      if (!class_exists($testclientclass)) {
 124          throw new coding_exception('Missing WS test class in protocol '.$protocol);
 125      }
 126      $testclient = new $testclientclass();
 127  
 128      $serverurl = "$CFG->wwwroot/webservice/$protocol/";
 129      if ($authmethod == 'simple') {
 130          $serverurl .= 'simpleserver.php';
 131          $serverurl .= '?wsusername='.urlencode($data->wsusername);
 132          $serverurl .= '&wspassword='.urlencode($data->wspassword);
 133      } else if ($authmethod == 'token') {
 134          $serverurl .= 'server.php';
 135          $serverurl .= '?wstoken='.urlencode($data->token);
 136      }
 137  
 138      // now get the function parameters
 139      $params = $mform->get_params();
 140  
 141      // now test the parameters, this also fixes PHP data types
 142      $params = \core_external\external_api::validate_parameters($functioninfo->parameters_desc, $params);
 143  
 144      echo $OUTPUT->header();
 145      echo $OUTPUT->heading(get_string('pluginname', 'webservice_'.$protocol).': '.$function);
 146  
 147      echo 'URL: '.s($serverurl);
 148      echo $OUTPUT->box_start();
 149  
 150      try {
 151          $response = $testclient->simpletest($serverurl, $function, $params);
 152          echo str_replace("\n", '<br />', s(var_export($response, true)));
 153      } catch (Exception $ex) {
 154          //TODO: handle exceptions and faults without exposing of the sensitive information such as debug traces!
 155          echo str_replace("\n", '<br />', s($ex));
 156      }
 157  
 158      echo $OUTPUT->box_end();
 159      $mform->display();
 160      echo $OUTPUT->footer();
 161      die;
 162  
 163  } else {
 164      echo $OUTPUT->header();
 165      echo $OUTPUT->heading(get_string('pluginname', 'webservice_'.$protocol).': '.$function);
 166      $mform->display();
 167      echo $OUTPUT->footer();
 168      die;
 169  }