| 1 | <?php |
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| 2 | |
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| 3 | /* |
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| 4 | +-----------------------------------------------------------------------+ |
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| 5 | | program/include/rcube_user.inc | |
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| 6 | | | |
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| 7 | | This file is part of the RoundCube Webmail client | |
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| 8 | | Copyright (C) 2005-2009, RoundCube Dev. - Switzerland | |
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| 9 | | Licensed under the GNU GPL | |
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| 10 | | | |
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| 11 | | PURPOSE: | |
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| 12 | | This class represents a system user linked and provides access | |
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| 13 | | to the related database records. | |
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| 14 | | | |
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| 15 | +-----------------------------------------------------------------------+ |
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| 16 | | Author: Thomas Bruederli <roundcube@gmail.com> | |
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| 17 | +-----------------------------------------------------------------------+ |
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| 18 | |
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| 19 | $Id: rcube_user.inc 933 2007-11-29 14:17:32Z thomasb $ |
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| 20 | |
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| 21 | */ |
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| 22 | |
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| 23 | |
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| 24 | /** |
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| 25 | * Class representing a system user |
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| 26 | * |
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| 27 | * @package Core |
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| 28 | * @author Thomas Bruederli <roundcube@gmail.com> |
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| 29 | */ |
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| 30 | class rcube_user |
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| 31 | { |
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| 32 | public $ID = null; |
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| 33 | public $data = null; |
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| 34 | public $language = null; |
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| 35 | |
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| 36 | private $db = null; |
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| 37 | |
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| 38 | |
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| 39 | /** |
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| 40 | * Object constructor |
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| 41 | * |
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| 42 | * @param object DB Database connection |
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| 43 | */ |
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| 44 | function __construct($id = null, $sql_arr = null) |
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| 45 | { |
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| 46 | $this->db = rcmail::get_instance()->get_dbh(); |
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| 47 | |
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| 48 | if ($id && !$sql_arr) |
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| 49 | { |
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| 50 | $sql_result = $this->db->query("SELECT * FROM ".get_table_name('users')." WHERE user_id=?", $id); |
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| 51 | $sql_arr = $this->db->fetch_assoc($sql_result); |
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| 52 | } |
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| 53 | |
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| 54 | if (!empty($sql_arr)) |
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| 55 | { |
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| 56 | $this->ID = $sql_arr['user_id']; |
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| 57 | $this->data = $sql_arr; |
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| 58 | $this->language = $sql_arr['language']; |
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| 59 | } |
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| 60 | } |
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| 61 | |
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| 62 | |
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| 63 | /** |
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| 64 | * Build a user name string (as e-mail address) |
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| 65 | * |
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| 66 | * @return string Full user name |
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| 67 | */ |
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| 68 | function get_username() |
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| 69 | { |
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| 70 | return $this->data['username'] ? $this->data['username'] . (!strpos($this->data['username'], '@') ? '@'.$this->data['mail_host'] : '') : false; |
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| 71 | } |
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| 72 | |
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| 73 | |
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| 74 | /** |
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| 75 | * Get the preferences saved for this user |
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| 76 | * |
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| 77 | * @return array Hash array with prefs |
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| 78 | */ |
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| 79 | function get_prefs() |
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| 80 | { |
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| 81 | if (!empty($this->language)) |
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| 82 | $prefs = array('language' => $this->language); |
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| 83 | |
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| 84 | if ($this->ID && $this->data['preferences']) |
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| 85 | $prefs += (array)unserialize($this->data['preferences']); |
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| 86 | |
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| 87 | return $prefs; |
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| 88 | } |
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| 89 | |
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| 90 | |
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| 91 | /** |
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| 92 | * Write the given user prefs to the user's record |
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| 93 | * |
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| 94 | * @param array User prefs to save |
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| 95 | * @return boolean True on success, False on failure |
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| 96 | */ |
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| 97 | function save_prefs($a_user_prefs) |
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| 98 | { |
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| 99 | if (!$this->ID) |
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| 100 | return false; |
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| 101 | |
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| 102 | $config = rcmail::get_instance()->config; |
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| 103 | $old_prefs = (array)$this->get_prefs(); |
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| 104 | |
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| 105 | // merge (partial) prefs array with existing settings |
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| 106 | $save_prefs = $a_user_prefs + $old_prefs; |
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| 107 | unset($save_prefs['language']); |
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| 108 | |
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| 109 | // don't save prefs with default values if they haven't been changed yet |
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| 110 | foreach ($a_user_prefs as $key => $value) { |
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| 111 | if (!isset($old_prefs[$key]) && ($value == $config->get($key))) |
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| 112 | unset($save_prefs[$key]); |
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| 113 | } |
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| 114 | |
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| 115 | $this->db->query( |
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| 116 | "UPDATE ".get_table_name('users')." |
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| 117 | SET preferences=?, |
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| 118 | language=? |
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| 119 | WHERE user_id=?", |
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| 120 | serialize($save_prefs), |
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| 121 | $_SESSION['language'], |
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| 122 | $this->ID); |
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| 123 | |
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| 124 | $this->language = $_SESSION['language']; |
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| 125 | if ($this->db->affected_rows()) { |
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| 126 | $config->merge($a_user_prefs); |
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| 127 | return true; |
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| 128 | } |
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| 129 | |
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| 130 | return false; |
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| 131 | } |
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| 132 | |
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| 133 | |
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| 134 | /** |
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| 135 | * Get default identity of this user |
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| 136 | * |
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| 137 | * @param int Identity ID. If empty, the default identity is returned |
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| 138 | * @return array Hash array with all cols of the identity record |
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| 139 | */ |
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| 140 | function get_identity($id = null) |
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| 141 | { |
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| 142 | $result = $this->list_identities($id ? sprintf('AND identity_id=%d', $id) : ''); |
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| 143 | return $result[0]; |
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| 144 | } |
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| 145 | |
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| 146 | |
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| 147 | /** |
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| 148 | * Return a list of all identities linked with this user |
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| 149 | * |
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| 150 | * @return array List of identities |
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| 151 | */ |
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| 152 | function list_identities($sql_add = '') |
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| 153 | { |
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| 154 | // get contacts from DB |
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| 155 | $sql_result = $this->db->query( |
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| 156 | "SELECT * FROM ".get_table_name('identities')." |
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| 157 | WHERE del<>1 |
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| 158 | AND user_id=? |
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| 159 | $sql_add |
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| 160 | ORDER BY ".$this->db->quoteIdentifier('standard')." DESC, name ASC, identity_id ASC", |
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| 161 | $this->ID); |
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| 162 | |
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| 163 | $result = array(); |
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| 164 | while ($sql_arr = $this->db->fetch_assoc($sql_result)) { |
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| 165 | $result[] = $sql_arr; |
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| 166 | } |
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| 167 | |
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| 168 | return $result; |
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| 169 | } |
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| 170 | |
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| 171 | |
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| 172 | /** |
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| 173 | * Update a specific identity record |
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| 174 | * |
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| 175 | * @param int Identity ID |
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| 176 | * @param array Hash array with col->value pairs to save |
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| 177 | * @return boolean True if saved successfully, false if nothing changed |
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| 178 | */ |
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| 179 | function update_identity($iid, $data) |
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| 180 | { |
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| 181 | if (!$this->ID) |
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| 182 | return false; |
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| 183 | |
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| 184 | $query_cols = $query_params = array(); |
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| 185 | |
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| 186 | foreach ((array)$data as $col => $value) |
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| 187 | { |
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| 188 | $query_cols[] = $this->db->quoteIdentifier($col) . '=?'; |
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| 189 | $query_params[] = $value; |
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| 190 | } |
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| 191 | $query_params[] = $iid; |
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| 192 | $query_params[] = $this->ID; |
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| 193 | |
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| 194 | $sql = "UPDATE ".get_table_name('identities')." |
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| 195 | SET ".join(', ', $query_cols)." |
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| 196 | WHERE identity_id=? |
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| 197 | AND user_id=? |
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| 198 | AND del<>1"; |
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| 199 | |
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| 200 | call_user_func_array(array($this->db, 'query'), |
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| 201 | array_merge(array($sql), $query_params)); |
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| 202 | |
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| 203 | return $this->db->affected_rows(); |
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| 204 | } |
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| 205 | |
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| 206 | |
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| 207 | /** |
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| 208 | * Create a new identity record linked with this user |
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| 209 | * |
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| 210 | * @param array Hash array with col->value pairs to save |
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| 211 | * @return int The inserted identity ID or false on error |
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| 212 | */ |
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| 213 | function insert_identity($data) |
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| 214 | { |
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| 215 | if (!$this->ID) |
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| 216 | return false; |
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| 217 | |
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| 218 | $insert_cols = $insert_values = array(); |
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| 219 | foreach ((array)$data as $col => $value) |
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| 220 | { |
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| 221 | $insert_cols[] = $this->db->quoteIdentifier($col); |
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| 222 | $insert_values[] = $value; |
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| 223 | } |
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| 224 | $insert_cols[] = 'user_id'; |
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| 225 | $insert_values[] = $this->ID; |
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| 226 | |
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| 227 | $sql = "INSERT INTO ".get_table_name('identities')." |
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| 228 | (".join(', ', $insert_cols).") |
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| 229 | VALUES (".join(', ', array_pad(array(), sizeof($insert_values), '?')).")"; |
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| 230 | |
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| 231 | call_user_func_array(array($this->db, 'query'), |
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| 232 | array_merge(array($sql), $insert_values)); |
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| 233 | |
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| 234 | return $this->db->insert_id(get_sequence_name('identities')); |
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| 235 | } |
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| 236 | |
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| 237 | |
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| 238 | /** |
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| 239 | * Mark the given identity as deleted |
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| 240 | * |
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| 241 | * @param int Identity ID |
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| 242 | * @return boolean True if deleted successfully, false if nothing changed |
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| 243 | */ |
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| 244 | function delete_identity($iid) |
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| 245 | { |
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| 246 | if (!$this->ID) |
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| 247 | return false; |
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| 248 | |
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| 249 | if (!$this->ID || $this->ID == '') |
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| 250 | return false; |
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| 251 | |
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| 252 | $sql_result = $this->db->query("SELECT count(*) AS ident_count FROM " . |
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| 253 | get_table_name('identities') . |
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| 254 | " WHERE user_id = ? AND del <> 1", |
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| 255 | $this->ID); |
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| 256 | |
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| 257 | $sql_arr = $this->db->fetch_assoc($sql_result); |
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| 258 | if ($sql_arr['ident_count'] <= 1) |
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| 259 | return false; |
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| 260 | |
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| 261 | $this->db->query( |
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| 262 | "UPDATE ".get_table_name('identities')." |
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| 263 | SET del=1 |
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| 264 | WHERE user_id=? |
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| 265 | AND identity_id=?", |
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| 266 | $this->ID, |
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| 267 | $iid); |
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| 268 | |
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| 269 | return $this->db->affected_rows(); |
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| 270 | } |
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| 271 | |
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| 272 | |
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| 273 | /** |
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| 274 | * Make this identity the default one for this user |
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| 275 | * |
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| 276 | * @param int The identity ID |
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| 277 | */ |
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| 278 | function set_default($iid) |
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| 279 | { |
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| 280 | if ($this->ID && $iid) |
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| 281 | { |
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| 282 | $this->db->query( |
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| 283 | "UPDATE ".get_table_name('identities')." |
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| 284 | SET ".$this->db->quoteIdentifier('standard')."='0' |
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| 285 | WHERE user_id=? |
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| 286 | AND identity_id<>? |
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| 287 | AND del<>1", |
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| 288 | $this->ID, |
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| 289 | $iid); |
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| 290 | } |
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| 291 | } |
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| 292 | |
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| 293 | |
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| 294 | /** |
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| 295 | * Update user's last_login timestamp |
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| 296 | */ |
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| 297 | function touch() |
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| 298 | { |
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| 299 | if ($this->ID) |
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| 300 | { |
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| 301 | $this->db->query( |
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| 302 | "UPDATE ".get_table_name('users')." |
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| 303 | SET last_login=".$this->db->now()." |
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| 304 | WHERE user_id=?", |
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| 305 | $this->ID); |
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| 306 | } |
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| 307 | } |
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| 308 | |
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| 309 | |
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| 310 | /** |
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| 311 | * Clear the saved object state |
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| 312 | */ |
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| 313 | function reset() |
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| 314 | { |
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| 315 | $this->ID = null; |
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| 316 | $this->data = null; |
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| 317 | } |
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| 318 | |
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| 319 | |
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| 320 | /** |
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| 321 | * Find a user record matching the given name and host |
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| 322 | * |
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| 323 | * @param string IMAP user name |
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| 324 | * @param string IMAP host name |
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| 325 | * @return object rcube_user New user instance |
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| 326 | */ |
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| 327 | static function query($user, $host) |
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| 328 | { |
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| 329 | $dbh = rcmail::get_instance()->get_dbh(); |
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| 330 | |
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| 331 | // query for matching user name |
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| 332 | $query = "SELECT * FROM ".get_table_name('users')." WHERE mail_host=? AND %s=?"; |
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| 333 | $sql_result = $dbh->query(sprintf($query, 'username'), $host, $user); |
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| 334 | |
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| 335 | // query for matching alias |
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| 336 | if (!($sql_arr = $dbh->fetch_assoc($sql_result))) { |
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| 337 | $sql_result = $dbh->query(sprintf($query, 'alias'), $host, $user); |
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| 338 | $sql_arr = $dbh->fetch_assoc($sql_result); |
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| 339 | } |
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| 340 | |
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| 341 | // user already registered -> overwrite username |
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| 342 | if ($sql_arr) |
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| 343 | return new rcube_user($sql_arr['user_id'], $sql_arr); |
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| 344 | else |
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| 345 | return false; |
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| 346 | } |
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| 347 | |
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| 348 | |
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| 349 | /** |
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| 350 | * Create a new user record and return a rcube_user instance |
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| 351 | * |
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| 352 | * @param string IMAP user name |
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| 353 | * @param string IMAP host |
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| 354 | * @return object rcube_user New user instance |
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| 355 | */ |
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| 356 | static function create($user, $host) |
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| 357 | { |
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| 358 | $user_name = ''; |
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| 359 | $user_email = ''; |
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| 360 | $rcmail = rcmail::get_instance(); |
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| 361 | |
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| 362 | $data = $rcmail->plugins->exec_hook('create_user', array('user'=>$user, 'user_name'=>$user_name, 'user_email'=>$user_email)); |
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| 363 | $user_name = $data['user_name']; |
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| 364 | $user_email = $data['user_email']; |
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| 365 | |
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| 366 | // plugin aborted this operation |
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| 367 | if ($data['abort']) |
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| 368 | return false; |
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| 369 | |
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| 370 | $dbh = $rcmail->get_dbh(); |
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| 371 | |
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| 372 | // try to resolve user in virtuser table and file |
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| 373 | if ($user_email != '' && !strpos($user, '@')) { |
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| 374 | if ($email_list = self::user2email($user, false, true)) |
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| 375 | $user_email = is_array($email_list[0]) ? $email_list[0][0] : $email_list[0]; |
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| 376 | } |
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| 377 | |
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| 378 | $dbh->query( |
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| 379 | "INSERT INTO ".get_table_name('users')." |
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| 380 | (created, last_login, username, mail_host, alias, language) |
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| 381 | VALUES (".$dbh->now().", ".$dbh->now().", ?, ?, ?, ?)", |
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| 382 | strip_newlines($user), |
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| 383 | strip_newlines($host), |
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| 384 | strip_newlines($data['alias'] ? $data['alias'] : $user_email), |
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| 385 | $_SESSION['language']); |
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| 386 | |
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| 387 | if ($user_id = $dbh->insert_id(get_sequence_name('users'))) |
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| 388 | { |
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| 389 | $mail_domain = $rcmail->config->mail_domain($host); |
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| 390 | |
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| 391 | if ($user_email=='') |
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| 392 | $user_email = strpos($user, '@') ? $user : sprintf('%s@%s', $user, $mail_domain); |
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| 393 | |
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| 394 | if ($user_name == '') { |
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| 395 | $user_name = $user != $user_email ? $user : ''; |
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| 396 | } |
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| 397 | |
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| 398 | if (empty($email_list)) |
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| 399 | $email_list[] = strip_newlines($user_email); |
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| 400 | |
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| 401 | // identities_level check |
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| 402 | if (count($email_list) > 1 && $rcmail->config->get('identities_level', 0) > 1) |
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| 403 | $email_list = array($email_list[0]); |
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| 404 | |
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| 405 | // create new identities records |
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| 406 | $standard = 1; |
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| 407 | foreach ($email_list as $row) { |
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| 408 | if (is_array($row)) { |
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| 409 | $email = $row[0]; |
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| 410 | $name = $row[1] ? $row[1] : $user_name; |
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| 411 | } |
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| 412 | else { |
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| 413 | $email = $row; |
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| 414 | $name = $user_name; |
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| 415 | } |
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| 416 | |
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| 417 | $plugin = $rcmail->plugins->exec_hook('create_identity', array( |
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| 418 | 'login' => true, |
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| 419 | 'record' => array( |
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| 420 | 'user_id' => $user_id, |
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| 421 | 'name' => strip_newlines($name), |
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| 422 | 'email' => $email, |
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| 423 | 'standard' => $standard, |
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| 424 | ), |
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| 425 | )); |
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| 426 | |
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| 427 | if (!$plugin['abort'] && $plugin['record']['email']) { |
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| 428 | $dbh->query( |
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| 429 | "INSERT INTO ".get_table_name('identities')." |
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| 430 | (user_id, del, standard, name, email) |
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| 431 | VALUES (?, 0, ?, ?, ?)", |
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| 432 | $user_id, |
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| 433 | $plugin['record']['standard'], |
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| 434 | $plugin['record']['name'] != NULL ? $plugin['record']['name'] : '', |
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| 435 | $plugin['record']['email']); |
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| 436 | } |
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| 437 | $standard = 0; |
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| 438 | } |
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| 439 | } |
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| 440 | else |
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| 441 | { |
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| 442 | raise_error(array( |
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| 443 | 'code' => 500, |
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| 444 | 'type' => 'php', |
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| 445 | 'line' => __LINE__, |
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| 446 | 'file' => __FILE__, |
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| 447 | 'message' => "Failed to create new user"), true, false); |
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| 448 | } |
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| 449 | |
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| 450 | return $user_id ? new rcube_user($user_id) : false; |
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| 451 | } |
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| 452 | |
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| 453 | |
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| 454 | /** |
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| 455 | * Resolve username using a virtuser file |
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| 456 | * |
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| 457 | * @param string E-mail address to resolve |
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| 458 | * @return string Resolved IMAP username |
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| 459 | */ |
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| 460 | static function email2user($email) |
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| 461 | { |
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| 462 | $r = self::findinvirtual('/^' . preg_quote($email, '/') . '\s/'); |
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| 463 | |
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| 464 | for ($i=0; $i<count($r); $i++) |
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| 465 | { |
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| 466 | $data = trim($r[$i]); |
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| 467 | $arr = preg_split('/\s+/', $data); |
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| 468 | if (count($arr) > 0) |
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| 469 | return trim($arr[count($arr)-1]); |
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| 470 | } |
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| 471 | |
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| 472 | return NULL; |
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| 473 | } |
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| 474 | |
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| 475 | |
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| 476 | /** |
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| 477 | * Resolve e-mail address from virtuser file/table |
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| 478 | * |
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| 479 | * @param string User name |
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| 480 | * @param boolean If true returns first found entry |
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| 481 | * @param boolean If true returns email as array (email and name for identity) |
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| 482 | * @return mixed Resolved e-mail address string or array of strings |
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| 483 | */ |
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| 484 | static function user2email($user, $first=true, $extended=false) |
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| 485 | { |
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| 486 | $result = array(); |
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| 487 | $rcmail = rcmail::get_instance(); |
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| 488 | $dbh = $rcmail->get_dbh(); |
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| 489 | |
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| 490 | // SQL lookup |
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| 491 | if ($virtuser_query = $rcmail->config->get('virtuser_query')) { |
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| 492 | $sql_result = $dbh->query(preg_replace('/%u/', $dbh->escapeSimple($user), $virtuser_query)); |
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| 493 | while ($sql_arr = $dbh->fetch_array($sql_result)) |
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| 494 | if (strpos($sql_arr[0], '@')) { |
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| 495 | $result[] = ($extended && count($sql_arr) > 1) ? $sql_arr : $sql_arr[0]; |
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| 496 | if ($first) |
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| 497 | return $result[0]; |
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| 498 | } |
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| 499 | } |
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| 500 | // File lookup |
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| 501 | $r = self::findinvirtual('/\s' . preg_quote($user, '/') . '\s*$/'); |
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| 502 | for ($i=0; $i<count($r); $i++) |
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| 503 | { |
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| 504 | $data = $r[$i]; |
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| 505 | $arr = preg_split('/\s+/', $data); |
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| 506 | if (count($arr) > 0 && strpos($arr[0], '@')) |
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| 507 | { |
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| 508 | $result[] = trim(str_replace('\\@', '@', $arr[0])); |
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| 509 | |
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| 510 | if ($first) |
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| 511 | return $result[0]; |
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| 512 | } |
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| 513 | } |
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| 514 | |
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| 515 | return empty($result) ? NULL : $result; |
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| 516 | } |
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| 517 | |
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| 518 | |
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| 519 | /** |
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| 520 | * Find matches of the given pattern in virtuser file |
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| 521 | * |
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| 522 | * @param string Regular expression to search for |
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| 523 | * @return array Matching entries |
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| 524 | */ |
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| 525 | private static function findinvirtual($pattern) |
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| 526 | { |
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| 527 | $result = array(); |
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| 528 | $virtual = null; |
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| 529 | |
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| 530 | if ($virtuser_file = rcmail::get_instance()->config->get('virtuser_file')) |
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| 531 | $virtual = file($virtuser_file); |
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| 532 | |
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| 533 | if (empty($virtual)) |
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| 534 | return $result; |
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| 535 | |
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| 536 | // check each line for matches |
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| 537 | foreach ($virtual as $line) |
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| 538 | { |
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| 539 | $line = trim($line); |
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| 540 | if (empty($line) || $line{0}=='#') |
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| 541 | continue; |
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| 542 | |
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| 543 | if (preg_match($pattern, $line)) |
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| 544 | $result[] = $line; |
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| 545 | } |
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| 546 | |
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| 547 | return $result; |
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| 548 | } |
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| 549 | |
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| 550 | } |
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| 551 | |
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| 552 | |
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