Complex classes like admin_plugin_usermanager often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use admin_plugin_usermanager, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 22 | class admin_plugin_usermanager extends DokuWiki_Admin_Plugin { |
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| 23 | |||
| 24 | protected $_auth = null; // auth object |
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| 25 | protected $_user_total = 0; // number of registered users |
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| 26 | protected $_filter = array(); // user selection filter(s) |
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| 27 | protected $_start = 0; // index of first user to be displayed |
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| 28 | protected $_last = 0; // index of the last user to be displayed |
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| 29 | protected $_pagesize = 20; // number of users to list on one page |
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| 30 | protected $_edit_user = ''; // set to user selected for editing |
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| 31 | protected $_edit_userdata = array(); |
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| 32 | protected $_disabled = ''; // if disabled set to explanatory string |
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| 33 | protected $_import_failures = array(); |
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| 34 | protected $_lastdisabled = false; // set to true if last user is unknown and last button is hence buggy |
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| 35 | |||
| 36 | /** |
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| 37 | * Constructor |
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| 38 | */ |
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| 39 | public function __construct(){ |
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| 40 | /** @var DokuWiki_Auth_Plugin $auth */ |
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| 41 | global $auth; |
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| 42 | |||
| 43 | $this->setupLocale(); |
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| 44 | |||
| 45 | if (!isset($auth)) { |
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| 46 | $this->_disabled = $this->lang['noauth']; |
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| 47 | } else if (!$auth->canDo('getUsers')) { |
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| 48 | $this->_disabled = $this->lang['nosupport']; |
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| 49 | } else { |
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| 50 | |||
| 51 | // we're good to go |
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| 52 | $this->_auth = & $auth; |
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| 53 | |||
| 54 | } |
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| 55 | |||
| 56 | // attempt to retrieve any import failures from the session |
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| 57 | if (!empty($_SESSION['import_failures'])){ |
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| 58 | $this->_import_failures = $_SESSION['import_failures']; |
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| 59 | } |
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| 60 | } |
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| 61 | |||
| 62 | /** |
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| 63 | * Return prompt for admin menu |
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| 64 | * |
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| 65 | * @param string $language |
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| 66 | * @return string |
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| 67 | */ |
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| 68 | public function getMenuText($language) { |
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| 69 | |||
| 70 | if (!is_null($this->_auth)) |
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| 71 | return parent::getMenuText($language); |
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| 72 | |||
| 73 | return $this->getLang('menu').' '.$this->_disabled; |
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| 74 | } |
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| 75 | |||
| 76 | /** |
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| 77 | * return sort order for position in admin menu |
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| 78 | * |
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| 79 | * @return int |
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| 80 | */ |
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| 81 | public function getMenuSort() { |
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| 82 | return 2; |
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| 83 | } |
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| 84 | |||
| 85 | /** |
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| 86 | * @return int current start value for pageination |
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| 87 | */ |
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| 88 | public function getStart() { |
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| 89 | return $this->_start; |
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| 90 | } |
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| 91 | |||
| 92 | /** |
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| 93 | * @return int number of users per page |
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| 94 | */ |
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| 95 | public function getPagesize() { |
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| 96 | return $this->_pagesize; |
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| 97 | } |
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| 98 | |||
| 99 | /** |
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| 100 | * @param boolean $lastdisabled |
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| 101 | */ |
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| 102 | public function setLastdisabled($lastdisabled) { |
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| 103 | $this->_lastdisabled = $lastdisabled; |
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| 104 | } |
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| 105 | |||
| 106 | /** |
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| 107 | * Handle user request |
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| 108 | * |
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| 109 | * @return bool |
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| 110 | */ |
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| 111 | public function handle() { |
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| 112 | global $INPUT; |
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| 113 | if (is_null($this->_auth)) return false; |
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| 114 | |||
| 115 | // extract the command and any specific parameters |
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| 116 | // submit button name is of the form - fn[cmd][param(s)] |
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| 117 | $fn = $INPUT->param('fn'); |
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| 118 | |||
| 119 | if (is_array($fn)) { |
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| 120 | $cmd = key($fn); |
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| 121 | $param = is_array($fn[$cmd]) ? key($fn[$cmd]) : null; |
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| 122 | } else { |
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| 123 | $cmd = $fn; |
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| 124 | $param = null; |
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| 125 | } |
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| 126 | |||
| 127 | if ($cmd != "search") { |
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| 128 | $this->_start = $INPUT->int('start', 0); |
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| 129 | $this->_filter = $this->_retrieveFilter(); |
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| 130 | } |
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| 131 | |||
| 132 | switch($cmd){ |
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| 133 | case "add" : $this->_addUser(); break; |
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| 134 | case "delete" : $this->_deleteUser(); break; |
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| 135 | case "modify" : $this->_modifyUser(); break; |
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| 136 | case "edit" : $this->_editUser($param); break; |
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| 137 | case "search" : $this->_setFilter($param); |
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| 138 | $this->_start = 0; |
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| 139 | break; |
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| 140 | case "export" : $this->_export(); break; |
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| 141 | case "import" : $this->_import(); break; |
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| 142 | case "importfails" : $this->_downloadImportFailures(); break; |
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| 143 | } |
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| 144 | |||
| 145 | $this->_user_total = $this->_auth->canDo('getUserCount') ? $this->_auth->getUserCount($this->_filter) : -1; |
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| 146 | |||
| 147 | // page handling |
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| 148 | switch($cmd){ |
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| 149 | case 'start' : $this->_start = 0; break; |
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| 150 | case 'prev' : $this->_start -= $this->_pagesize; break; |
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| 151 | case 'next' : $this->_start += $this->_pagesize; break; |
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| 152 | case 'last' : $this->_start = $this->_user_total; break; |
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| 153 | } |
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| 154 | $this->_validatePagination(); |
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| 155 | return true; |
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| 156 | } |
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| 157 | |||
| 158 | /** |
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| 159 | * Output appropriate html |
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| 160 | * |
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| 161 | * @return bool |
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| 162 | */ |
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| 163 | public function html() { |
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| 164 | global $ID; |
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| 165 | |||
| 166 | if(is_null($this->_auth)) { |
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| 167 | print $this->lang['badauth']; |
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| 168 | return false; |
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| 169 | } |
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| 170 | |||
| 171 | $user_list = $this->_auth->retrieveUsers($this->_start, $this->_pagesize, $this->_filter); |
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| 172 | |||
| 173 | $page_buttons = $this->_pagination(); |
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| 174 | $delete_disable = $this->_auth->canDo('delUser') ? '' : 'disabled="disabled"'; |
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| 175 | |||
| 176 | $editable = $this->_auth->canDo('UserMod'); |
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| 177 | $export_label = empty($this->_filter) ? $this->lang['export_all'] : $this->lang['export_filtered']; |
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| 178 | |||
| 179 | print $this->locale_xhtml('intro'); |
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| 180 | print $this->locale_xhtml('list'); |
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| 181 | |||
| 182 | ptln("<div id=\"user__manager\">"); |
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| 183 | ptln("<div class=\"level2\">"); |
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| 184 | |||
| 185 | if ($this->_user_total > 0) { |
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| 186 | ptln("<p>".sprintf($this->lang['summary'],$this->_start+1,$this->_last,$this->_user_total,$this->_auth->getUserCount())."</p>"); |
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| 187 | } else { |
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| 188 | if($this->_user_total < 0) { |
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| 189 | $allUserTotal = 0; |
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| 190 | } else { |
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| 191 | $allUserTotal = $this->_auth->getUserCount(); |
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| 192 | } |
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| 193 | ptln("<p>".sprintf($this->lang['nonefound'], $allUserTotal)."</p>"); |
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| 194 | } |
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| 195 | ptln("<form action=\"".wl($ID)."\" method=\"post\">"); |
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| 196 | formSecurityToken(); |
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| 197 | ptln(" <div class=\"table\">"); |
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| 198 | ptln(" <table class=\"inline\">"); |
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| 199 | ptln(" <thead>"); |
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| 200 | ptln(" <tr>"); |
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| 201 | ptln(" <th> </th><th>".$this->lang["user_id"]."</th><th>".$this->lang["user_name"]."</th><th>".$this->lang["user_mail"]."</th><th>".$this->lang["user_groups"]."</th>"); |
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| 202 | ptln(" </tr>"); |
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| 203 | |||
| 204 | ptln(" <tr>"); |
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| 205 | ptln(" <td class=\"rightalign\"><input type=\"image\" src=\"".DOKU_PLUGIN_IMAGES."search.png\" name=\"fn[search][new]\" title=\"".$this->lang['search_prompt']."\" alt=\"".$this->lang['search']."\" class=\"button\" /></td>"); |
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| 206 | ptln(" <td><input type=\"text\" name=\"userid\" class=\"edit\" value=\"".$this->_htmlFilter('user')."\" /></td>"); |
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| 207 | ptln(" <td><input type=\"text\" name=\"username\" class=\"edit\" value=\"".$this->_htmlFilter('name')."\" /></td>"); |
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| 208 | ptln(" <td><input type=\"text\" name=\"usermail\" class=\"edit\" value=\"".$this->_htmlFilter('mail')."\" /></td>"); |
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| 209 | ptln(" <td><input type=\"text\" name=\"usergroups\" class=\"edit\" value=\"".$this->_htmlFilter('grps')."\" /></td>"); |
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| 210 | ptln(" </tr>"); |
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| 211 | ptln(" </thead>"); |
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| 212 | |||
| 213 | if ($this->_user_total) { |
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| 214 | ptln(" <tbody>"); |
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| 215 | foreach ($user_list as $user => $userinfo) { |
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| 216 | extract($userinfo); |
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| 217 | /** |
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| 218 | * @var string $name |
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| 219 | * @var string $pass |
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| 220 | * @var string $mail |
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| 221 | * @var array $grps |
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| 222 | */ |
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| 223 | $groups = join(', ',$grps); |
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| 224 | ptln(" <tr class=\"user_info\">"); |
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| 225 | ptln(" <td class=\"centeralign\"><input type=\"checkbox\" name=\"delete[".hsc($user)."]\" ".$delete_disable." /></td>"); |
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| 226 | if ($editable) { |
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| 227 | ptln(" <td><a href=\"".wl($ID,array('fn[edit]['.$user.']' => 1, |
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| 228 | 'do' => 'admin', |
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| 229 | 'page' => 'usermanager', |
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| 230 | 'sectok' => getSecurityToken())). |
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| 231 | "\" title=\"".$this->lang['edit_prompt']."\">".hsc($user)."</a></td>"); |
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| 232 | } else { |
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| 233 | ptln(" <td>".hsc($user)."</td>"); |
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| 234 | } |
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| 235 | ptln(" <td>".hsc($name)."</td><td>".hsc($mail)."</td><td>".hsc($groups)."</td>"); |
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| 236 | ptln(" </tr>"); |
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| 237 | } |
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| 238 | ptln(" </tbody>"); |
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| 239 | } |
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| 240 | |||
| 241 | ptln(" <tbody>"); |
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| 242 | ptln(" <tr><td colspan=\"5\" class=\"centeralign\">"); |
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| 243 | ptln(" <span class=\"medialeft\">"); |
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| 244 | ptln(" <button type=\"submit\" name=\"fn[delete]\" id=\"usrmgr__del\" ".$delete_disable.">".$this->lang['delete_selected']."</button>"); |
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| 245 | ptln(" </span>"); |
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| 246 | ptln(" <span class=\"mediaright\">"); |
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| 247 | ptln(" <button type=\"submit\" name=\"fn[start]\" ".$page_buttons['start'].">".$this->lang['start']."</button>"); |
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| 248 | ptln(" <button type=\"submit\" name=\"fn[prev]\" ".$page_buttons['prev'].">".$this->lang['prev']."</button>"); |
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| 249 | ptln(" <button type=\"submit\" name=\"fn[next]\" ".$page_buttons['next'].">".$this->lang['next']."</button>"); |
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| 250 | ptln(" <button type=\"submit\" name=\"fn[last]\" ".$page_buttons['last'].">".$this->lang['last']."</button>"); |
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| 251 | ptln(" </span>"); |
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| 252 | if (!empty($this->_filter)) { |
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| 253 | ptln(" <button type=\"submit\" name=\"fn[search][clear]\">".$this->lang['clear']."</button>"); |
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| 254 | } |
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| 255 | ptln(" <button type=\"submit\" name=\"fn[export]\">".$export_label."</button>"); |
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| 256 | ptln(" <input type=\"hidden\" name=\"do\" value=\"admin\" />"); |
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| 257 | ptln(" <input type=\"hidden\" name=\"page\" value=\"usermanager\" />"); |
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| 258 | |||
| 259 | $this->_htmlFilterSettings(2); |
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| 260 | |||
| 261 | ptln(" </td></tr>"); |
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| 262 | ptln(" </tbody>"); |
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| 263 | ptln(" </table>"); |
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| 264 | ptln(" </div>"); |
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| 265 | |||
| 266 | ptln("</form>"); |
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| 267 | ptln("</div>"); |
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| 268 | |||
| 269 | $style = $this->_edit_user ? " class=\"edit_user\"" : ""; |
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| 270 | |||
| 271 | if ($this->_auth->canDo('addUser')) { |
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| 272 | ptln("<div".$style.">"); |
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| 273 | print $this->locale_xhtml('add'); |
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| 274 | ptln(" <div class=\"level2\">"); |
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| 275 | |||
| 276 | $this->_htmlUserForm('add',null,array(),4); |
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| 277 | |||
| 278 | ptln(" </div>"); |
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| 279 | ptln("</div>"); |
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| 280 | } |
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| 281 | |||
| 282 | if($this->_edit_user && $this->_auth->canDo('UserMod')){ |
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| 283 | ptln("<div".$style." id=\"scroll__here\">"); |
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| 284 | print $this->locale_xhtml('edit'); |
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| 285 | ptln(" <div class=\"level2\">"); |
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| 286 | |||
| 287 | $this->_htmlUserForm('modify',$this->_edit_user,$this->_edit_userdata,4); |
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| 288 | |||
| 289 | ptln(" </div>"); |
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| 290 | ptln("</div>"); |
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| 291 | } |
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| 292 | |||
| 293 | if ($this->_auth->canDo('addUser')) { |
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| 294 | $this->_htmlImportForm(); |
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| 295 | } |
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| 296 | ptln("</div>"); |
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| 297 | return true; |
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| 298 | } |
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| 299 | |||
| 300 | /** |
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| 301 | * Display form to add or modify a user |
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| 302 | * |
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| 303 | * @param string $cmd 'add' or 'modify' |
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| 304 | * @param string $user id of user |
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| 305 | * @param array $userdata array with name, mail, pass and grps |
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| 306 | * @param int $indent |
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| 307 | */ |
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| 308 | protected function _htmlUserForm($cmd,$user='',$userdata=array(),$indent=0) { |
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| 379 | |||
| 380 | /** |
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| 381 | * Prints a inputfield |
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| 382 | * |
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| 383 | * @param string $id |
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| 384 | * @param string $name |
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| 385 | * @param string $label |
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| 386 | * @param string $value |
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| 387 | * @param bool $cando whether auth backend is capable to do this action |
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| 388 | * @param bool $required is this field required? |
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| 389 | * @param int $indent |
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| 390 | */ |
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| 391 | protected function _htmlInputField($id, $name, $label, $value, $cando, $required, $indent=0) { |
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| 421 | |||
| 422 | /** |
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| 423 | * Returns htmlescaped filter value |
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| 424 | * |
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| 425 | * @param string $key name of search field |
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| 426 | * @return string html escaped value |
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| 427 | */ |
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| 428 | protected function _htmlFilter($key) { |
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| 429 | if (empty($this->_filter)) return ''; |
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| 432 | |||
| 433 | /** |
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| 434 | * Print hidden inputs with the current filter values |
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| 435 | * |
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| 436 | * @param int $indent |
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| 437 | */ |
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| 438 | protected function _htmlFilterSettings($indent=0) { |
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| 446 | |||
| 447 | /** |
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| 448 | * Print import form and summary of previous import |
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| 449 | * |
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| 450 | * @param int $indent |
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| 451 | */ |
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| 452 | protected function _htmlImportForm($indent=0) { |
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| 504 | |||
| 505 | /** |
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| 506 | * Add an user to auth backend |
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| 507 | * |
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| 508 | * @return bool whether succesful |
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| 509 | */ |
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| 510 | protected function _addUser(){ |
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| 584 | |||
| 585 | /** |
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| 586 | * Delete user from auth backend |
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| 587 | * |
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| 588 | * @return bool whether succesful |
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| 589 | */ |
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| 590 | protected function _deleteUser(){ |
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| 620 | |||
| 621 | /** |
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| 622 | * Edit user (a user has been selected for editing) |
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| 623 | * |
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| 624 | * @param string $param id of the user |
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| 625 | * @return bool whether succesful |
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| 626 | */ |
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| 627 | protected function _editUser($param) { |
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| 644 | |||
| 645 | /** |
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| 646 | * Modify user in the auth backend (modified user data has been recieved) |
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| 647 | * |
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| 648 | * @return bool whether succesful |
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| 649 | */ |
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| 650 | protected function _modifyUser(){ |
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| 726 | |||
| 727 | /** |
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| 728 | * Send password change notification email |
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| 729 | * |
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| 730 | * @param string $user id of user |
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| 731 | * @param string $password plain text |
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| 732 | * @param bool $status_alert whether status alert should be shown |
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| 733 | * @return bool whether succesful |
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| 734 | */ |
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| 735 | protected function _notifyUser($user, $password, $status_alert=true) { |
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| 749 | |||
| 750 | /** |
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| 751 | * Verify password meets minimum requirements |
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| 752 | * :TODO: extend to support password strength |
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| 753 | * |
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| 754 | * @param string $password candidate string for new password |
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| 755 | * @param string $confirm repeated password for confirmation |
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| 756 | * @return bool true if meets requirements, false otherwise |
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| 757 | */ |
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| 758 | protected function _verifyPassword($password, $confirm) { |
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| 775 | |||
| 776 | /** |
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| 777 | * Retrieve & clean user data from the form |
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| 778 | * |
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| 779 | * @param bool $clean whether the cleanUser method of the authentication backend is applied |
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| 780 | * @return array (user, password, full name, email, array(groups)) |
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| 781 | */ |
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| 782 | protected function _retrieveUser($clean=true) { |
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| 803 | |||
| 804 | /** |
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| 805 | * Set the filter with the current search terms or clear the filter |
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| 806 | * |
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| 807 | * @param string $op 'new' or 'clear' |
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| 808 | */ |
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| 809 | protected function _setFilter($op) { |
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| 822 | |||
| 823 | /** |
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| 824 | * Get the current search terms |
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| 825 | * |
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| 826 | * @return array |
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| 827 | */ |
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| 828 | protected function _retrieveFilter() { |
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| 843 | |||
| 844 | /** |
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| 845 | * Validate and improve the pagination values |
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| 846 | */ |
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| 847 | protected function _validatePagination() { |
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| 856 | |||
| 857 | /** |
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| 858 | * Return an array of strings to enable/disable pagination buttons |
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| 859 | * |
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| 860 | * @return array with enable/disable attributes |
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| 861 | */ |
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| 862 | protected function _pagination() { |
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| 882 | |||
| 883 | /** |
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| 884 | * Export a list of users in csv format using the current filter criteria |
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| 885 | */ |
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| 886 | protected function _export() { |
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| 916 | |||
| 917 | /** |
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| 918 | * Import a file of users in csv format |
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| 919 | * |
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| 920 | * csv file should have 4 columns, user_id, full name, email, groups (comma separated) |
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| 921 | * |
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| 922 | * @return bool whether successful |
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| 923 | */ |
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| 924 | protected function _import() { |
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| 987 | |||
| 988 | /** |
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| 989 | * Returns cleaned user data |
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| 990 | * |
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| 991 | * @param array $candidate raw values of line from input file |
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| 992 | * @param string $error |
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| 993 | * @return array|false cleaned data or false |
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| 994 | */ |
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| 995 | protected function _cleanImportUser($candidate, & $error){ |
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| 1033 | |||
| 1034 | /** |
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| 1035 | * Adds imported user to auth backend |
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| 1036 | * |
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| 1037 | * Required a check of canDo('addUser') before |
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| 1038 | * |
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| 1039 | * @param array $user data of user |
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| 1040 | * @param string &$error reference catched error message |
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| 1041 | * @return bool whether successful |
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| 1042 | */ |
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| 1043 | protected function _addImportUser($user, & $error){ |
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| 1051 | |||
| 1052 | /** |
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| 1053 | * Downloads failures as csv file |
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| 1054 | */ |
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| 1055 | protected function _downloadImportFailures(){ |
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| 1073 | |||
| 1074 | /** |
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| 1075 | * wrapper for is_uploaded_file to facilitate overriding by test suite |
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| 1076 | * |
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| 1077 | * @param string $file filename |
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| 1078 | * @return bool |
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| 1079 | */ |
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| 1080 | protected function _isUploadedFile($file) { |
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| 1083 | } |
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| 1084 |
This check looks for access to properties that are not accessible from the current context.
If you need to make a property accessible to another context you can either raise its visibility level or provide an accessible getter in the defining class.