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1 <?php
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2
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3 /**
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4 * LDAP-based resource directory class using rcube_ldap functionality
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5 *
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6 * @author Thomas Bruederli <bruederli@kolabsys.com>
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7 *
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8 * Copyright (C) 2014, Kolab Systems AG <contact@kolabsys.com>
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9 *
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10 * This program is free software: you can redistribute it and/or modify
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11 * it under the terms of the GNU Affero General Public License as
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12 * published by the Free Software Foundation, either version 3 of the
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13 * License, or (at your option) any later version.
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14 *
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15 * This program is distributed in the hope that it will be useful,
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16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 * GNU Affero General Public License for more details.
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19 *
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20 * You should have received a copy of the GNU Affero General Public License
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21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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22 */
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23
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24 /**
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25 * LDAP-based resource directory implementation
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26 */
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27 class resources_driver_ldap extends resources_driver
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28 {
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29 private $rc;
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30 private $ldap;
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31
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32 /**
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33 * Default constructor
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34 */
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35 function __construct($cal)
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36 {
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37 $this->cal = $cal;
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38 $this->rc = $cal->rc;
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39 }
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40
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41 /**
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42 * Fetch resource objects to be displayed for booking
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43 *
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44 * @param string Search query (optional)
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45 * @return array List of resource records available for booking
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46 */
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47 public function load_resources($query = null, $num = 5000)
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48 {
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49 if (!($ldap = $this->connect())) {
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50 return array();
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51 }
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52
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53 // TODO: apply paging
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54 $ldap->set_pagesize($num);
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55
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56 if (isset($query)) {
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57 $results = $ldap->search('*', $query, 0, true, true);
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58 }
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59 else {
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60 $results = $ldap->list_records();
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61 }
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62
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63 if ($results instanceof ArrayAccess) {
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64 foreach ($results as $i => $rec) {
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65 $results[$i] = $this->decode_resource($rec);
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66 }
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67 }
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68
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69 return $results;
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70 }
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71
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72 /**
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73 * Return properties of a single resource
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74 *
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75 * @param string Unique resource identifier
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76 * @return array Resource object as hash array
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77 */
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78 public function get_resource($dn)
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79 {
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80 $rec = null;
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81
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82 if ($ldap = $this->connect()) {
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83 $rec = $ldap->get_record(rcube_ldap::dn_encode($dn), true);
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84
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85 if (!empty($rec)) {
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86 $rec = $this->decode_resource($rec);
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87 }
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88 }
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89
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90 return $rec;
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91 }
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92
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93 /**
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94 * Return properties of a resource owner
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95 *
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96 * @param string Owner identifier
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97 * @return array Resource object as hash array
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98 */
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99 public function get_resource_owner($dn)
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100 {
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101 $owner = null;
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102
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103 if ($ldap = $this->connect()) {
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104 $owner = $ldap->get_record(rcube_ldap::dn_encode($dn), true);
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105 $owner['ID'] = rcube_ldap::dn_decode($owner['ID']);
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106 unset($owner['_raw_attrib'], $owner['_type']);
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107 }
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108
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109 return $owner;
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110 }
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111
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112 /**
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113 * Extract JSON-serialized attributes
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114 */
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115 private function decode_resource($rec)
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116 {
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117 $rec['ID'] = rcube_ldap::dn_decode($rec['ID']);
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118
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119 if (is_array($rec['attributes']) && $rec['attributes'][0]) {
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120 $attributes = array();
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121
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122 foreach ($rec['attributes'] as $sattr) {
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123 $attr = @json_decode($sattr, true);
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124 $attributes += $attr;
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125 }
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126
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127 $rec['attributes'] = $attributes;
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128 }
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129
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130 // force $rec['members'] to be an array
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131 if (!empty($rec['members']) && !is_array($rec['members'])) {
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132 $rec['members'] = array($rec['members']);
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133 }
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134
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135 // remove unused cruft
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136 unset($rec['_raw_attrib']);
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137
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138 return $rec;
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139 }
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140
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141 private function connect()
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142 {
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143 if (!isset($this->ldap)) {
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144 $this->ldap = new rcube_ldap($this->rc->config->get('calendar_resources_directory'), true);
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145 }
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146
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147 return $this->ldap->ready ? $this->ldap : null;
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148 }
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149
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150 } |
