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Direktori : /var/www/projetos/suporte.iigd.com.br/src/ |
Current File : /var/www/projetos/suporte.iigd.com.br/src/DbUtils.php |
<?php /** * --------------------------------------------------------------------- * * GLPI - Gestionnaire Libre de Parc Informatique * * http://glpi-project.org * * @copyright 2015-2024 Teclib' and contributors. * @copyright 2003-2014 by the INDEPNET Development Team. * @licence https://www.gnu.org/licenses/gpl-3.0.html * * --------------------------------------------------------------------- * * LICENSE * * This file is part of GLPI. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. * * --------------------------------------------------------------------- */ use Glpi\Application\View\TemplateRenderer; use Glpi\Toolbox\Sanitizer; /** * Database utilities * * @since 9.2 */ final class DbUtils { /** * Return foreign key field name for a table * * @param string $table table name * * @return string field name used for a foreign key to the parameter table */ public function getForeignKeyFieldForTable($table) { if (!str_starts_with($table, 'glpi_')) { return ""; } return substr($table, 5) . "_id"; } /** * Check if field is a foreign key field * * @param string $field field name * * @return boolean */ public function isForeignKeyField($field) { //check empty, then strpos, then regexp; for performances return !empty($field) && strpos($field, '_id', 1) !== false && preg_match("/._id(_.+)?$/", $field); } /** * Return table name for a given foreign key name * * @param string $fkname foreign key name * * @return string table name corresponding to a foreign key name */ public function getTableNameForForeignKeyField($fkname) { if (!$this->isForeignKeyField($fkname)) { return ''; } // If $fkname begin with _ strip it if (str_starts_with($fkname, '_')) { $fkname = substr($fkname, 1); } return "glpi_" . preg_replace("/_id.*/", "", $fkname); } /** * Return the plural of a string * * @param string $string input string * * @return string plural of the parameter string */ public function getPlural($string) { $rules = [ //'singular' => 'plural' // special case for acronym pdu (to avoid us rule) 'pdus$' => 'pdus', 'pdu$' => 'pdus', //FIXME: singular is criterion, plural is criteria 'criterias$' => 'criterias',// Special case (criterias) when getPlural is called on already plural form 'ch$' => 'ches', 'ches$' => 'ches', 'sh$' => 'shes', 'shes$' => 'shes', 'sses$' => 'sses', // Case like addresses 'ss$' => 'sses', // Special case (addresses) when getSingular is called on already singular form 'uses$' => 'uses', // Case like statuses 'us$' => 'uses', // Case like status '([^aeiou])y$' => '\1ies', // special case : category (but not key) '([^aeiou])ies$' => '\1ies', // special case : category (but not key) '([aeiou]{2})ses$' => '\1ses', // Case like aliases '([aeiou]{2})s$' => '\1ses', // Case like aliases 'x$' => 'xes', // 's$' =>'ses', '([^s])$' => '\1s', // Add at the end if not exists ]; foreach ($rules as $singular => $plural) { $count = 0; $string = preg_replace("/$singular/", "$plural", $string, -1, $count); if ($count > 0) { break; } } return $string; } /** * Return the singular of a string * * @param string $string input string * * @return string singular of the parameter string */ public function getSingular($string) { $rules = [ //'plural' => 'singular' 'pdus$' => 'pdu', // special case for acronym pdu (to avoid us rule) 'Metrics$' => 'Metrics',// Special case 'metrics$' => 'metrics',// Special case 'ches$' => 'ch', 'ch$' => 'ch', 'shes$' => 'sh', 'sh$' => 'sh', 'sses$' => 'ss', // Case like addresses 'ss$' => 'ss', // Special case (addresses) when getSingular is called on already singular form 'uses$' => 'us', // Case like statuses 'us$' => 'us', // Case like status '([aeiou]{2})ses$' => '\1s', // Case like aliases 'lias$' => 'lias', // Special case (aliases) when getSingular is called on already singular form '([^aeiou])ies$' => '\1y', // special case : category '([^aeiou])y$' => '\1y', // special case : category 'xes$' => 'x', 's$' => '' ]; // Add at the end if not exists foreach ($rules as $plural => $singular) { $count = 0; $string = preg_replace("/$plural/", "$singular", $string, -1, $count); if ($count > 0) { break; } } return $string; } /** * Return table name for an item type * * @param string $itemtype itemtype * * @return string table name corresponding to the itemtype parameter */ public function getTableForItemType($itemtype) { /** @var array $CFG_GLPI */ global $CFG_GLPI; // Force singular for itemtype : States case $itemtype = $this->getSingular($itemtype); if (isset($CFG_GLPI['glpitablesitemtype'][$itemtype])) { return $CFG_GLPI['glpitablesitemtype'][$itemtype]; } else { $prefix = "glpi_"; if ($plug = isPluginItemType($itemtype)) { /* PluginFooBar => glpi_plugin_foos_bars */ /* GlpiPlugin\Foo\Bar => glpi_plugin_foos_bars */ $prefix .= "plugin_" . strtolower($plug['plugin']) . "_"; $table = strtolower($plug['class']); } else { $table = strtolower($itemtype); if (substr($itemtype, 0, \strlen(NS_GLPI)) === NS_GLPI) { $table = substr($table, \strlen(NS_GLPI)); } } $table = str_replace(['mock\\', '\\'], ['', '_'], $table); if (strstr($table, '_')) { $split = explode('_', $table); foreach ($split as $key => $part) { $split[$key] = $this->getPlural($part); } $table = implode('_', $split); } else { $table = $this->getPlural($table); } $CFG_GLPI['glpitablesitemtype'][$itemtype] = $prefix . $table; $CFG_GLPI['glpiitemtypetables'][$prefix . $table] = $itemtype; return $prefix . $table; } } /** * Return ItemType for a table * * @param string $table table name * * @return string itemtype corresponding to a table name parameter */ public function getItemTypeForTable($table) { /** @var array $CFG_GLPI */ global $CFG_GLPI; if (isset($CFG_GLPI['glpiitemtypetables'][$table])) { return $CFG_GLPI['glpiitemtypetables'][$table]; } else { $inittable = $table; $table = str_replace("glpi_", "", $table); $prefix = ""; $pref2 = NS_GLPI; $is_plugin = false; $matches = []; if (preg_match('/^plugin_([a-z0-9]+)_/', $table, $matches)) { $table = preg_replace('/^plugin_[a-z0-9]+_/', '', $table); $prefix = "Plugin" . Toolbox::ucfirst($matches[1]); $pref2 = NS_PLUG . ucfirst($matches[1]) . '\\'; $is_plugin = true; } if (strstr($table, '_')) { $split = explode('_', $table); foreach ($split as $key => $part) { $split[$key] = Toolbox::ucfirst($this->getSingular($part)); } $table = implode('_', $split); } else { $table = Toolbox::ucfirst($this->getSingular($table)); } $base_itemtype = $this->fixItemtypeCase($prefix . $table); $itemtype = null; if (class_exists($base_itemtype)) { $class_file = (new ReflectionClass($base_itemtype))->getFileName(); $is_glpi_class = $class_file !== false && ( str_starts_with(realpath($class_file), realpath(GLPI_ROOT)) || str_starts_with(realpath($class_file), realpath(GLPI_MARKETPLACE_DIR)) || str_starts_with(realpath($class_file), realpath(GLPI_PLUGIN_DOC_DIR)) ); if ($is_glpi_class) { $itemtype = $base_itemtype; } } // Handle namespaces if ($itemtype === null) { $namespaced_itemtype = $this->fixItemtypeCase($pref2 . str_replace('_', '\\', $table)); if (class_exists($namespaced_itemtype)) { $itemtype = $namespaced_itemtype; } else { // Handle namespace + db relation // On the previous step we converted all '_' into '\' // However some '_' must be kept in case of an item relation // For example, with the `glpi_namespace1_namespace2_items_filters` table // the expected itemtype is Glpi\Namespace1\Namespace2\Item_Filter // NOT Glpi\Namespace1\Namespace2\Item\Filter // To avoid this, we can revert the last '_' and check if the itemtype exists $check_alternative = $is_plugin ? substr_count($table, '_') > 1 // for plugin classes, always keep the first+second namespace levels (GlpiPlugin\\PluginName\\) : substr_count($table, '_') > 0 // for GLPI classes, always keep the first namespace level (Glpi\\) ; if ($check_alternative) { $last_backslash_position = strrpos($namespaced_itemtype, "\\"); // Replace last '\' into '_' $alternative_namespaced_itemtype = substr_replace( $namespaced_itemtype, '_', $last_backslash_position, 1 ); $alternative_namespaced_itemtype = $this->fixItemtypeCase($alternative_namespaced_itemtype); if (class_exists($alternative_namespaced_itemtype)) { $itemtype = $alternative_namespaced_itemtype; } } } } if ($itemtype !== null && $item = $this->getItemForItemtype($itemtype)) { $itemtype = get_class($item); $CFG_GLPI['glpiitemtypetables'][$inittable] = $itemtype; $CFG_GLPI['glpitablesitemtype'][$itemtype] = $inittable; return $itemtype; } return "UNKNOWN"; } } /** * Try to fix itemtype case. * PSR-4 loading requires classnames to be used with their correct case. * * @param string $itemtype * @param string $root_dir * * @return string */ public function fixItemtypeCase(string $itemtype, $root_dir = GLPI_ROOT) { /** @var \Psr\SimpleCache\CacheInterface $GLPI_CACHE */ global $GLPI_CACHE; // If a class exists for this itemtype, just return the declared class name. $matches = preg_grep('/^' . preg_quote($itemtype, '/') . '$/i', get_declared_classes()); if (count($matches) === 1) { return current($matches); } static $mapping = []; // Mappings already retrieved in current request static $already_scanned = []; // Directories already scanned directories in current request $context = 'glpi-core'; $plugin_matches = []; if (preg_match('/^Plugin(?<plugin>[A-Z][a-z]+)(?<class>[A-Z][a-z]+)/', $itemtype, $plugin_matches)) { // Nota: plugin classes that does not use any namespace cannot be completely case insensitive // indeed, we must be able to separate plugin name (directory) from class name (file) // so pattern must be the one provided by getItemTypeForTable: PluginDirectorynameClassname $context = strtolower($plugin_matches['plugin']); } else if (preg_match('/^' . preg_quote(NS_PLUG, '/') . '(?<plugin>[a-z]+)\\\/i', $itemtype, $plugin_matches)) { $context = strtolower($plugin_matches['plugin']); } $namespace = $context === 'glpi-core' ? NS_GLPI : NS_PLUG . ucfirst($context) . '\\'; $uses_namespace = preg_match('/^(' . preg_quote($namespace, '/') . ')/i', $itemtype); $expected_lc_path = str_ireplace( [$namespace, '\\'], ['' , DIRECTORY_SEPARATOR], strtolower($itemtype) . '.php' ); $cache_key = sprintf('itemtype-case-mapping-%s', $context); if (!array_key_exists($context, $mapping)) { // Initialize mapping from persistent cache if it has not been done yet in current request $mapping[$context] = $GLPI_CACHE->get($cache_key); } if ($mapping[$context] !== null && array_key_exists($expected_lc_path, $mapping[$context])) { // Return known value, if any return ($uses_namespace ? $namespace : '') . $mapping[$context][$expected_lc_path]; } if ( ( $mapping[$context] !== null && ($_SESSION['glpi_use_mode'] ?? null) !== Session::DEBUG_MODE && !defined('TU_USER') ) || in_array($context, $already_scanned) ) { // Do not scan class files if mapping was already cached, unless debug mode is used. // // It will prevent a scan on all files when method is used on an unexisting itemtype // which would never be present in cached mapping as it would have no matching file. // This case can happen when database contains obsolete data, or when a plugin calls // `getItemForItemtype()` for an invalid itemtype. // // Skip also files scan if it has already been done in current request. return $itemtype; } // Fetch filenames from "src" directory of context (GLPI core or given plugin). $mapping[$context] = []; $srcdir = $root_dir . ($context === 'glpi-core' ? '' : '/plugins/' . $context) . '/src'; if (is_dir($srcdir)) { $files_iterator = new RecursiveIteratorIterator( new RecursiveDirectoryIterator($srcdir), RecursiveIteratorIterator::SELF_FIRST ); /** @var SplFileInfo $file */ foreach ($files_iterator as $file) { if (!$file->isReadable() || !$file->isFile() || '.php' === !$file->getExtension()) { continue; } $relative_path = str_replace($srcdir . DIRECTORY_SEPARATOR, '', $file->getPathname()); // Store entry into mapping: // - key is the lowercased filepath; // - value is the classname with correct case. $mapping[$context][strtolower($relative_path)] = str_replace( [DIRECTORY_SEPARATOR, '.php'], ['\\', ''], $relative_path ); } } $already_scanned[] = $context; $GLPI_CACHE->set($cache_key, $mapping[$context]); return array_key_exists($expected_lc_path, $mapping[$context]) ? ($uses_namespace ? $namespace : '') . $mapping[$context][$expected_lc_path] : $itemtype; } /** * Get new item objet for an itemtype * * @param string $itemtype itemtype * * @return CommonDBTM|false itemtype instance or false if class does not exists */ public function getItemForItemtype($itemtype) { if (empty($itemtype)) { return false; } // If itemtype starts with "Glpi\" or "GlpiPlugin\" followed by a "\", // then it is a namespaced itemtype that has been "sanitized". // Strip slashes to get its actual value. $sanitized_namespaced_pattern = '/^' . '(' . preg_quote(NS_GLPI, '/') . '|' . preg_quote(NS_PLUG, '/') . ')' // start with GLPI core or plugin namespace . preg_quote('\\', '/') // followed by an additionnal \ . '/'; if (preg_match($sanitized_namespaced_pattern, $itemtype)) { trigger_error(sprintf('Unexpected sanitized itemtype "%s" encountered.', $itemtype), E_USER_WARNING); $itemtype = stripslashes($itemtype); } $itemtype = $this->fixItemtypeCase($itemtype); if ($itemtype === 'Event') { //to avoid issues when pecl-event is installed... $itemtype = 'Glpi\\Event'; } if (!is_subclass_of($itemtype, CommonGLPI::class, true)) { // Only CommonGLPI sublasses are valid itemtypes return false; } $item_class = new ReflectionClass($itemtype); if ($item_class->isAbstract()) { trigger_error( sprintf('Cannot instanciate "%s" as it is an abstract class.', $itemtype), E_USER_WARNING ); return false; } return new $itemtype(); } /** * Count the number of elements in a table. * * @param string|array $table table name(s) * @param ?string|?array $condition array of criteria * * @return integer Number of elements in table */ public function countElementsInTable($table, $condition = []) { /** @var \DBmysql $DB */ global $DB; if (!is_array($table)) { $table = [$table]; } /*foreach ($table as $t) { if (!$DB->tableExists($table)) { throw new \RuntimeException("$t is not an existing table!"); } }*/ if (!is_array($condition)) { Toolbox::Deprecated('Condition must be an array!'); if (empty($condition)) { $condition = []; } } $condition['COUNT'] = 'cpt'; $row = $DB->request($table, $condition)->current(); return ($row ? (int)$row['cpt'] : 0); } /** * Count the number of elements in a table. * * @param string|array $table table name(s) * @param string $field field name * @param ?string|?array $condition array of criteria * * @return int nb of elements in table */ public function countDistinctElementsInTable($table, $field, $condition = []) { if (!is_array($condition)) { Toolbox::Deprecated('Condition must be an array!'); if (empty($condition)) { $condition = []; } } $condition['COUNT'] = 'cpt'; $condition['FIELDS'] = $field; $condition['DISTINCT'] = true; return $this->countElementsInTable($table, $condition); } /** * Count the number of elements in a table for a specific entity * * @param string|array $table table name(s) * @param array $condition array of criteria * * @return integer Number of elements in table */ public function countElementsInTableForMyEntities($table, $condition = []) { /// TODO clean it / maybe include when review of SQL requests $itemtype = $this->getItemTypeForTable($table); $item = new $itemtype(); $criteria = $this->getEntitiesRestrictCriteria($table, '', '', $item->maybeRecursive()); $criteria = array_merge($condition, $criteria); return $this->countElementsInTable($table, $criteria); } /** * Count the number of elements in a table for a specific entity * * @param string|array $table table name(s) * @param integer $entity the entity ID * @param array $condition condition to use (default '') or array of criteria * @param boolean $recursive Whether to recurse or not. If true, will be conditionned on item recursivity * * @return integer number of elements in table */ public function countElementsInTableForEntity($table, $entity, $condition = [], $recursive = true) { /// TODO clean it / maybe include when review of SQL requests $itemtype = $this->getItemTypeForTable($table); $item = new $itemtype(); if ($recursive) { $recursive = $item->maybeRecursive(); } $criteria = $this->getEntitiesRestrictCriteria($table, '', $entity, $recursive); $criteria = array_merge($condition, $criteria); return $this->countElementsInTable($table, $criteria); } /** * Get data from a table in an array : * CAUTION TO USE ONLY FOR SMALL TABLES OR USING A STRICT CONDITION * * @param string $table Table name * @param ?string|?array $criteria Request criteria * @param boolean $usecache Use cache (false by default) * @param string $order Result order (default '') * * @return array containing all the datas */ public function getAllDataFromTable($table, $criteria = [], $usecache = false, $order = '') { /** @var \DBmysql $DB */ global $DB; static $cache = []; if (empty($criteria) && empty($order) && $usecache && isset($cache[$table])) { return $cache[$table]; } $data = []; if (!is_array($criteria)) { Toolbox::Deprecated('Criteria must be an array!'); if (empty($criteria)) { $criteria = []; } } if (!empty($order)) { Toolbox::Deprecated('Order should be defined in criteria!'); $criteria['ORDER'] = $order; // Deprecated use case } $iterator = $DB->request($table, $criteria); foreach ($iterator as $row) { $data[$row['id']] = $row; } if (empty($criteria) && empty($order) && $usecache) { $cache[$table] = $data; } return $data; } /** * Determine if an index exists in database * * @param string $table table of the index * @param string $field name of the index * * @return boolean */ public function isIndex($table, $field) { /** @var \DBmysql $DB */ global $DB; if (!$DB->tableExists($table)) { trigger_error("Table $table does not exists", E_USER_WARNING); return false; } $result = $DB->doQuery("SHOW INDEX FROM `$table`"); if ($result && $DB->numrows($result)) { while ($data = $DB->fetchAssoc($result)) { if ($data["Key_name"] == $field) { return true; } } } return false; } /** * Determine if a foreign key exists in database * * @param string $table * @param string $keyname * * @return boolean */ public function isForeignKeyContraint($table, $keyname) { /** @var \DBmysql $DB */ global $DB; $query = [ 'FROM' => 'information_schema.key_column_usage', 'WHERE' => [ 'constraint_schema' => $DB->dbdefault, 'table_name' => $table, 'constraint_name' => $keyname, ] ]; $iterator = $DB->request($query); return $iterator->count() > 0; } /** * Get SQL request to restrict to current entities of the user * * @param string $separator separator in the begin of the request (default AND) * @param string $table table where apply the limit (if needed, multiple tables queries) * (default '') * @param string $field field where apply the limit (id != entities_id) (default '') * @param mixed $value entity to restrict (if not set use $_SESSION['glpiactiveentities_string']). * single item or array (default '') * @param boolean $is_recursive need to use recursive process to find item * (field need to be named recursive) (false by default) * @param boolean $complete_request need to use a complete request and not a simple one * when have acces to all entities (used for reminders) * (false by default) * * @return string the WHERE clause to restrict */ public function getEntitiesRestrictRequest( $separator = "AND", $table = "", $field = "", $value = '', $is_recursive = false, $complete_request = false ) { /** @var \DBmysql $DB */ global $DB; $query = $separator . " ( "; // !='0' needed because consider as empty if ( !$complete_request && ($value != '0') && empty($value) && isset($_SESSION['glpishowallentities']) && $_SESSION['glpishowallentities'] ) { // Not ADD "AND 1" if not needed if (trim($separator) == "AND") { return ""; } return $query . " 1 ) "; } if (empty($field)) { if ($table == 'glpi_entities') { $field = "id"; } else { $field = "entities_id"; } } if (empty($table)) { $field = $DB->quoteName($field); } else { $field = $DB->quoteName("$table.$field"); } $query .= "$field"; if (is_array($value)) { $query .= " IN ('" . implode("','", $value) . "') "; } else { if (strlen($value) == 0 && !isset($_SESSION['glpiactiveentities_string'])) { //set root entity if not set $value = 0; } if (strlen($value) == 0) { $query .= " IN (" . $_SESSION['glpiactiveentities_string'] . ") "; } else { $query .= " = '$value' "; } } if ($is_recursive) { $ancestors = []; if ( isset($_SESSION['glpiactiveentities']) && isset($_SESSION['glpiparententities']) && $value == $_SESSION['glpiactiveentities'] ) { $ancestors = $_SESSION['glpiparententities']; } else { if (is_array($value)) { $ancestors = $this->getAncestorsOf("glpi_entities", $value); $ancestors = array_diff($ancestors, $value); } else if (strlen($value) == 0 && isset($_SESSION['glpiparententities'])) { $ancestors = $_SESSION['glpiparententities']; } else { $ancestors = $this->getAncestorsOf("glpi_entities", $value); } } if (count($ancestors)) { if ($table == 'glpi_entities') { $query .= " OR $field IN ('" . implode("','", $ancestors) . "')"; } else { $recur = $DB->quoteName((empty($table) ? 'is_recursive' : "$table.is_recursive")); $query .= " OR ($recur='1' AND $field IN (" . implode(', ', $ancestors) . '))'; } } } $query .= " ) "; return $query; } /** * Get criteria to restrict to current entities of the user * * @since 9.2 * * @param string $table table where apply the limit (if needed, multiple tables queries) * (default '') * @param string $field field where apply the limit (id != entities_id) (default '') * @param mixed $value entity to restrict (if not set use $_SESSION['glpiactiveentities']). * single item or array (default '') * @param boolean $is_recursive need to use recursive process to find item * (field need to be named recursive) (false by default, set to auto to automatic detection) * @param boolean $complete_request need to use a complete request and not a simple one * when have acces to all entities (used for reminders) * (false by default) * * @return array of criteria */ public function getEntitiesRestrictCriteria( $table = '', $field = '', $value = '', $is_recursive = false, $complete_request = false ) { // !='0' needed because consider as empty if ( !$complete_request && ($value != '0') && empty($value) && isset($_SESSION['glpishowallentities']) && $_SESSION['glpishowallentities'] ) { return []; } if (empty($field)) { if ($table == 'glpi_entities') { $field = "id"; } else { $field = "entities_id"; } } if (!empty($table)) { $field = "$table.$field"; } if (!is_array($value) && strlen($value) == 0) { if (isset($_SESSION['glpiactiveentities'])) { $value = $_SESSION['glpiactiveentities']; } else if (isCommandLine() || Session::isCron()) { $value = '0'; // If value is not set, fallback to root entity in cron / command line } } $crit = [$field => $value]; if ($is_recursive === 'auto' && !empty($table) && $table != 'glpi_entities') { $item = $this->getItemForItemtype($this->getItemTypeForTable($table)); if ($item !== false) { $is_recursive = $item->maybeRecursive(); } } if ($is_recursive) { $ancestors = []; if (is_array($value)) { $ancestors = $this->getAncestorsOf("glpi_entities", $value); $ancestors = array_diff($ancestors, $value); } else if (strlen($value) == 0) { $ancestors = $_SESSION['glpiparententities'] ?? []; } else { $ancestors = $this->getAncestorsOf('glpi_entities', $value); } if (count($ancestors)) { if ($table == 'glpi_entities') { if (!is_array($value)) { $value = [$value => $value]; } $crit = ['OR' => [$field => $value + $ancestors]]; } else { $recur = (empty($table) ? 'is_recursive' : "$table.is_recursive"); $crit = [ 'OR' => [ $field => $value, [$recur => 1, $field => $ancestors] ] ]; } } } return $crit; } /** * Get the sons of an item in a tree dropdown. Get datas in cache if available * * @param string $table table name * @param integer $IDf The ID of the father * * @return array of IDs of the sons */ public function getSonsOf($table, $IDf) { /** * @var \DBmysql $DB * @var \Psr\SimpleCache\CacheInterface $GLPI_CACHE */ global $DB, $GLPI_CACHE; $ckey = 'sons_cache_' . $table . '_' . $IDf; $sons = $GLPI_CACHE->get($ckey); if ($sons !== null) { return $sons; } $parentIDfield = $this->getForeignKeyFieldForTable($table); $use_cache = $DB->fieldExists($table, "sons_cache"); if ( $use_cache && ($IDf > 0) ) { $iterator = $DB->request([ 'SELECT' => 'sons_cache', 'FROM' => $table, 'WHERE' => ['id' => $IDf] ]); if (count($iterator) > 0) { $db_sons = $iterator->current()['sons_cache']; $db_sons = $db_sons !== null ? trim($db_sons) : null; if (!empty($db_sons)) { $sons = $this->importArrayFromDB($db_sons); } } } if (!is_array($sons)) { // IDs to be present in the final array $sons = [ $IDf => $IDf, ]; // current ID found to be added $found = []; // First request init the varriables $iterator = $DB->request([ 'SELECT' => 'id', 'FROM' => $table, 'WHERE' => [$parentIDfield => $IDf], 'ORDER' => 'name' ]); if (count($iterator) > 0) { foreach ($iterator as $row) { $sons[$row['id']] = $row['id']; $found[$row['id']] = $row['id']; } } // Get the leafs of previous found item while (count($found) > 0) { // Get next elements $iterator = $DB->request([ 'SELECT' => 'id', 'FROM' => $table, 'WHERE' => [$parentIDfield => $found] ]); // CLear the found array unset($found); $found = []; if (count($iterator) > 0) { foreach ($iterator as $row) { if (!isset($sons[$row['id']])) { $sons[$row['id']] = $row['id']; $found[$row['id']] = $row['id']; } } } } // Store cache data in DB if ( $use_cache && ($IDf > 0) ) { $DB->update( $table, [ 'sons_cache' => $this->exportArrayToDB($sons) ], [ 'id' => $IDf ] ); } } $GLPI_CACHE->set($ckey, $sons); return $sons; } /** * Get the ancestors of an item in a tree dropdown * * @param string $table Table name * @param array|string $items_id The IDs of the items * * @return array of IDs of the ancestors */ public function getAncestorsOf($table, $items_id) { /** * @var \DBmysql $DB * @var \Psr\SimpleCache\CacheInterface $GLPI_CACHE */ global $DB, $GLPI_CACHE; if ($items_id === null) { return []; } $ckey = 'ancestors_cache_'; if (is_array($items_id)) { $ckey .= $table . '_' . md5(implode('|', $items_id)); } else { $ckey .= $table . '_' . $items_id; } $ancestors = $GLPI_CACHE->get($ckey); if ($ancestors !== null) { return $ancestors; } $ancestors = []; // IDs to be present in the final array $parentIDfield = $this->getForeignKeyFieldForTable($table); $use_cache = $DB->fieldExists($table, "ancestors_cache"); if (!is_array($items_id)) { $items_id = (array)$items_id; } if ($use_cache) { $iterator = $DB->request([ 'SELECT' => ['id', 'ancestors_cache', $parentIDfield], 'FROM' => $table, 'WHERE' => ['id' => $items_id] ]); foreach ($iterator as $row) { if ($row['id'] > 0) { $rancestors = $row['ancestors_cache']; $parent = $row[$parentIDfield]; // Return datas from cache in DB if (!empty($rancestors)) { $ancestors = array_replace($ancestors, $this->importArrayFromDB($rancestors)); } else { $loc_id_found = []; // Recursive solution for table with-cache if ($parent > 0) { $loc_id_found = $this->getAncestorsOf($table, $parent); } // ID=0 only exists for Entities if ( ($parent > 0) || ($table == 'glpi_entities') ) { $loc_id_found[$parent] = $parent; } // Store cache datas in DB $DB->update( $table, [ 'ancestors_cache' => $this->exportArrayToDB($loc_id_found) ], [ 'id' => $row['id'] ] ); $ancestors = array_replace($ancestors, $loc_id_found); } } } } else { // Get the ancestors // iterative solution for table without cache foreach ($items_id as $id) { $IDf = $id; while ($IDf > 0) { // Get next elements $iterator = $DB->request([ 'SELECT' => [$parentIDfield], 'FROM' => $table, 'WHERE' => ['id' => $IDf] ]); if (count($iterator) > 0) { $result = $iterator->current(); $IDf = $result[$parentIDfield]; } else { $IDf = 0; } if ( !isset($ancestors[$IDf]) && (($IDf > 0) || ($table == 'glpi_entities')) ) { $ancestors[$IDf] = $IDf; } else { $IDf = 0; } } } } $GLPI_CACHE->set($ckey, $ancestors); return $ancestors; } /** * Get the sons and the ancestors of an item in a tree dropdown. Rely on getSonsOf and getAncestorsOf * * @since 0.84 * * @param string $table table name * @param string $IDf The ID of the father * * @return array of IDs of the sons and the ancestors */ public function getSonsAndAncestorsOf($table, $IDf) { return $this->getAncestorsOf($table, $IDf) + $this->getSonsOf($table, $IDf); } /** * Get the Name of the element of a Dropdown Tree table * * @param string $table Dropdown Tree table * @param integer $ID ID of the element * @param boolean $withcomment 1 if you want to give the array with the comments (false by default) * @param boolean $translate (true by default) * * @return string name of the element * * @see DbUtils::getTreeValueCompleteName */ public function getTreeLeafValueName($table, $ID, $withcomment = false, $translate = true) { /** @var \DBmysql $DB */ global $DB; $name = ""; $comment = ""; $SELECTNAME = new \QueryExpression("'' AS " . $DB->quoteName('transname')); $SELECTCOMMENT = new \QueryExpression("'' AS " . $DB->quoteName('transcomment')); $JOIN = []; $JOINS = []; if ($translate) { if (Session::haveTranslations($this->getItemTypeForTable($table), 'name')) { $SELECTNAME = 'namet.value AS transname'; $JOINS['glpi_dropdowntranslations AS namet'] = [ 'ON' => [ 'namet' => 'items_id', $table => 'id', [ 'AND' => [ 'namet.itemtype' => $this->getItemTypeForTable($table), 'namet.language' => $_SESSION['glpilanguage'], 'namet.field' => 'name' ] ] ] ]; } if (Session::haveTranslations($this->getItemTypeForTable($table), 'comment')) { $SELECTCOMMENT = 'namec.value AS transcomment'; $JOINS['glpi_dropdowntranslations AS namec'] = [ 'ON' => [ 'namec' => 'items_id', $table => 'id', [ 'AND' => [ 'namec.itemtype' => $this->getItemTypeForTable($table), 'namec.language' => $_SESSION['glpilanguage'], 'namec.field' => 'comment' ] ] ] ]; } if (count($JOINS)) { $JOIN = ['LEFT JOIN' => $JOINS]; } } $criteria = [ 'SELECT' => [ "$table.name", "$table.comment", $SELECTNAME, $SELECTCOMMENT ], 'FROM' => $table, 'WHERE' => ["$table.id" => $ID] ] + $JOIN; $iterator = $DB->request($criteria); $result = $iterator->current(); if (count($iterator) == 1) { $transname = $result['transname']; if ($translate && !empty($transname)) { $name = $transname; } else { $name = $result['name']; } $comment = $name . " :<br/>"; $transcomment = $result['transcomment']; if ($translate && !empty($transcomment)) { $comment .= nl2br($transcomment); } else if (!empty($result['comment'])) { $comment .= nl2br($result['comment']); } } if ($withcomment) { return [ 'name' => $name, 'comment' => $comment ]; } return $name; } /** * Get completename of a Dropdown Tree table * * @param string $table Dropdown Tree table * @param integer $ID ID of the element * @param boolean $withcomment 1 if you want to give the array with the comments (false by default) * @param boolean $translate (true by default) * @param boolean $tooltip (true by default) returns a tooltip, else returns only 'comment' * @param string $default default value returned when item not exists * * @return string completename of the element * * @see DbUtils::getTreeLeafValueName */ public function getTreeValueCompleteName($table, $ID, $withcomment = false, $translate = true, $tooltip = true, string $default = ' ') { /** @var \DBmysql $DB */ global $DB; $name = ""; $comment = ""; $SELECTNAME = new \QueryExpression("'' AS " . $DB->quoteName('transname')); $SELECTCOMMENT = new \QueryExpression("'' AS " . $DB->quoteName('transcomment')); $JOIN = []; $JOINS = []; if ($translate) { if (Session::haveTranslations($this->getItemTypeForTable($table), 'completename')) { $SELECTNAME = 'namet.value AS transname'; $JOINS['glpi_dropdowntranslations AS namet'] = [ 'ON' => [ 'namet' => 'items_id', $table => 'id', [ 'AND' => [ 'namet.itemtype' => $this->getItemTypeForTable($table), 'namet.language' => $_SESSION['glpilanguage'], 'namet.field' => 'completename' ] ] ] ]; } if (Session::haveTranslations($this->getItemTypeForTable($table), 'comment')) { $SELECTCOMMENT = 'namec.value AS transcomment'; $JOINS['glpi_dropdowntranslations AS namec'] = [ 'ON' => [ 'namec' => 'items_id', $table => 'id', [ 'AND' => [ 'namec.itemtype' => $this->getItemTypeForTable($table), 'namec.language' => $_SESSION['glpilanguage'], 'namec.field' => 'comment' ] ] ] ]; } if (count($JOINS)) { $JOIN = ['LEFT JOIN' => $JOINS]; } } $criteria = [ 'SELECT' => [ "$table.completename", "$table.comment", $SELECTNAME, $SELECTCOMMENT ], 'FROM' => $table, 'WHERE' => ["$table.id" => $ID] ] + $JOIN; if ($table == Location::getTable()) { $criteria['SELECT'] = array_merge( $criteria['SELECT'], [ "$table.address", "$table.town", "$table.country" ] ); } $iterator = $DB->request($criteria); $result = $iterator->current(); if (count($iterator) == 1) { $transname = $result['transname']; if ($translate && !empty($transname)) { $name = $transname; } else { $name = $result['completename']; } $name = CommonTreeDropdown::sanitizeSeparatorInCompletename($name); if ($tooltip) { $comment = sprintf( __('%1$s: %2$s') . "<br>", "<span class='b'>" . __('Complete name') . "</span>", $name ); if ($table == Location::getTable()) { $acomment = ''; $address = $result['address']; $town = $result['town']; $country = $result['country']; if (!empty($address)) { $acomment .= $address; } if ( !empty($address) && (!empty($town) || !empty($country)) ) { $acomment .= '<br/>'; } if (!empty($town)) { $acomment .= $town; } if (!empty($country)) { if (!empty($town)) { $acomment .= ' - '; } $acomment .= $country; } if (trim($acomment != '')) { $comment .= "<span class='b'> " . __('Address:') . "</span> " . $acomment . "<br/>"; } } $comment .= "<span class='b'> " . __('Comments') . " </span>"; } $transcomment = $result['transcomment']; if ($translate && !empty($transcomment)) { $comment .= nl2br($transcomment); } else if (!empty($result['comment'])) { $comment .= nl2br($result['comment']); } } if (empty($name)) { $name = $default; } if ($withcomment) { return [ 'name' => $name, 'comment' => $comment ]; } return $name; } /** * show name category * DO NOT DELETE THIS FUNCTION : USED IN THE UPDATE * * @param string $table table name * @param integer $ID integer value ID * @param string $wholename current name to complete (use for recursivity) (default '') * @param integer $level current level of recursion (default 0) * * @return string name */ public function getTreeValueName($table, $ID, $wholename = "", $level = 0) { /** @var \DBmysql $DB */ global $DB; $parentIDfield = $this->getForeignKeyFieldForTable($table); $iterator = $DB->request([ 'SELECT' => ['name', $parentIDfield], 'FROM' => $table, 'WHERE' => ['id' => $ID] ]); $name = ""; if (count($iterator) > 0) { $row = $iterator->current(); $parentID = $row[$parentIDfield]; if ($wholename == "") { $name = $row["name"]; } else { $name = $row["name"] . " > "; } $level++; list($tmpname, $level) = $this->getTreeValueName($table, $parentID, $name, $level); $name = $tmpname . $name; } return [$name, $level]; } /** * Get the sons of an item in a tree dropdown * * @param string $table table name * @param integer $IDf The ID of the father * * @return array of IDs of the sons */ public function getTreeForItem($table, $IDf) { /** @var \DBmysql $DB */ global $DB; $parentIDfield = $this->getForeignKeyFieldForTable($table); // IDs to be present in the final array $id_found = []; // current ID found to be added $found = []; // First request init the variables $iterator = $DB->request([ 'FROM' => $table, 'WHERE' => [$parentIDfield => $IDf], 'ORDER' => 'name' ]); foreach ($iterator as $row) { $id_found[$row['id']]['parent'] = $IDf; $id_found[$row['id']]['name'] = $row['name']; $found[$row['id']] = $row['id']; } // Get the leafs of previous founded item while (count($found) > 0) { // Get next elements $iterator = $DB->request([ 'FROM' => $table, 'WHERE' => [$parentIDfield => $found], 'ORDER' => 'name' ]); // CLear the found array unset($found); $found = []; foreach ($iterator as $row) { if (!isset($id_found[$row['id']])) { $id_found[$row['id']]['parent'] = $row[$parentIDfield]; $id_found[$row['id']]['name'] = $row['name']; $found[$row['id']] = $row['id']; } } } $tree = [ $IDf => [ 'name' => Dropdown::getDropdownName($table, $IDf), 'tree' => $this->constructTreeFromList($id_found, $IDf), ], ]; return $tree; } /** * Construct a tree from a list structure * * @param array $list the list * @param integer $root root of the tree * * @return array list of items in the tree */ public function constructTreeFromList($list, $root) { $tree = []; foreach ($list as $ID => $data) { if ($data['parent'] == $root) { unset($list[$ID]); $tree[$ID]['name'] = $data['name']; $tree[$ID]['tree'] = $this->constructTreeFromList($list, $ID); } } return $tree; } /** * Construct a list from a tree structure * * @param array $tree the tree * @param integer $parent root of the tree (default =0) * * @return array list of items in the tree */ public function constructListFromTree($tree, $parent = 0) { $list = []; foreach ($tree as $root => $data) { $list[$root] = $parent; if (is_array($data['tree']) && count($data['tree'])) { foreach ($data['tree'] as $ID => $underdata) { $list[$ID] = $root; if (is_array($underdata['tree']) && count($underdata['tree'])) { $list += $this->constructListFromTree($underdata['tree'], $ID); } } } } return $list; } /** * Compute all completenames of Dropdown Tree table * * @param string $table dropdown tree table to compute * * @return void **/ public function regenerateTreeCompleteName($table) { /** @var \DBmysql $DB */ global $DB; $iterator = $DB->request([ 'SELECT' => 'id', 'FROM' => $table ]); foreach ($iterator as $data) { list($name, $level) = $this->getTreeValueName($table, $data['id']); $DB->update( $table, [ 'completename' => addslashes($name), 'level' => $level ], [ 'id' => $data['id'] ] ); } } /** * Format a user name * * @param integer $ID ID of the user. * @param string|null $login login of the user * @param string|null $realname realname of the user * @param string|null $firstname firstname of the user * @param integer $link include link (only if $link==1) (default =0) * @param integer $cut limit string length (0 = no limit) (default =0) * @param boolean $force_config force order and id_visible to use common config (false by default) * * @return string formatted username */ public function formatUserName($ID, $login, $realname, $firstname, $link = 1, $cut = 0, $force_config = false) { /** @var array $CFG_GLPI */ global $CFG_GLPI; $before = ""; $after = ""; $order = isset($CFG_GLPI["names_format"]) ? $CFG_GLPI["names_format"] : User::REALNAME_BEFORE; if (isset($_SESSION["glpinames_format"]) && !$force_config) { $order = $_SESSION["glpinames_format"]; } $id_visible = isset($CFG_GLPI["is_ids_visible"]) ? $CFG_GLPI["is_ids_visible"] : 0; if (isset($_SESSION["glpiis_ids_visible"]) && !$force_config) { $id_visible = $_SESSION["glpiis_ids_visible"]; } if (strlen($realname ?? '') > 0) { $formatted = $realname; if (strlen($firstname ?? '') > 0) { if ($order == User::FIRSTNAME_BEFORE) { $formatted = $firstname . " " . $formatted; } else { $formatted .= " " . $firstname; } } if ( ($cut > 0) && (Toolbox::strlen($formatted) > $cut) ) { $formatted = Toolbox::substr($formatted, 0, $cut) . " ..."; } } else { $formatted = $login ?? ''; } if ( $ID > 0 && ((strlen($formatted) == 0) || $id_visible) ) { $formatted = sprintf(__('%1$s (%2$s)'), $formatted, $ID); } if ( ($link == 1) && ($ID > 0) ) { $before = "<a title=\"" . htmlspecialchars($formatted) . "\" href='" . User::getFormURLWithID($ID) . "'>"; $after = "</a>"; } $username = $before . $formatted . $after; return $username; } /** * Get name of the user with ID=$ID (optional with link to user.form.php) * * @param integer|string $ID ID of the user. * @param integer $link 1 = Show link to user.form.php 2 = return array with comments and link * (default =0) * @param $disable_anon bool disable anonymization of username. * * @return string[]|string username string (realname if not empty and name if realname is empty). */ public function getUserName($ID, $link = 0, $disable_anon = false) { /** @var \DBmysql $DB */ global $DB; $user = ""; if ($link == 2) { $user = ["name" => "", "link" => "", "comment" => "" ]; } if ($ID === 'myself') { $name = __('Myself'); if (isset($user['name'])) { $user['name'] = $name; } else { $user = $name; } } else if ($ID) { $iterator = $DB->request( 'glpi_users', [ 'WHERE' => ['id' => $ID] ] ); if ($link == 2) { $user = ["name" => "", "comment" => "", "link" => "" ]; } if (count($iterator) == 1) { $data = $iterator->current(); $anon_name = !$disable_anon && $ID != ($_SESSION['glpiID'] ?? 0) && Session::getCurrentInterface() == 'helpdesk' ? User::getAnonymizedNameForUser($ID) : null; if ($anon_name !== null) { $username = $anon_name; } else { $username = $this->formatUserName( $data["id"], $data["name"], $data["realname"], $data["firstname"], $link ); } if ($link == 2) { $user["name"] = $username; $user["link"] = User::getFormURLWithID($ID); $user['comment'] = ''; $user_params = [ 'id' => $ID, 'user_name' => $username, ]; if ($anon_name === null) { $user_params = array_merge($user_params, [ 'email' => UserEmail::getDefaultForUser($ID), 'phone' => $data["phone"], 'phone2' => $data["phone2"], 'mobile' => $data["mobile"], 'locations_id' => $data['locations_id'], 'usertitles_id' => $data['usertitles_id'], 'usercategories_id' => $data['usercategories_id'], ]); if (Session::haveRight('user', READ)) { $user_params['login'] = $data['name']; } if (!empty($data["groups_id"])) { $user_params['groups_id'] = $data["groups_id"]; } $user['comment'] = TemplateRenderer::getInstance()->render('components/user/info_card.html.twig', [ 'user' => $user_params, 'enable_anonymization' => Session::getCurrentInterface() == 'helpdesk', ]); } } else { $user = $username; } } } return $user; } /** * Create a new name using a autoname field defined in a template * * @param string $objectName autoname template * @param string $field field to autoname * @param boolean $isTemplate true if create an object from a template * @param string $itemtype item type * @param integer $entities_id limit generation to an entity (default -1) * * @return string new auto string */ public function autoName($objectName, $field, $isTemplate, $itemtype, $entities_id = -1) { /** * @var array $CFG_GLPI * @var \DBmysql $DB */ global $CFG_GLPI, $DB; if (!$isTemplate) { return $objectName; } $base_name = $objectName; $objectName = Sanitizer::decodeHtmlSpecialChars($objectName); $was_sanitized = $objectName !== $base_name; if ($was_sanitized) { Toolbox::deprecated('Handling of encoded/escaped value in autoName() is deprecated.'); } $matches = []; if (preg_match('/^<[^#]*(#{1,10})[^#]*>$/', $objectName, $matches) !== 1) { return $base_name; } $autoNum = Toolbox::substr($objectName, 1, Toolbox::strlen($objectName) - 2); $mask = $matches[1]; $global = ((strpos($autoNum, '\\g') !== false) && ($itemtype != 'Infocom')) ? 1 : 0; //do not add extra escapements for now //substring position would be wrong if name contains "_" $autoNum = str_replace( [ '\\y', '\\Y', '\\m', '\\d', '\\g' ], [ date('y'), date('Y'), date('m'), date('d'), '' ], $autoNum ); $pos = strpos($autoNum, $mask) + 1; //got substring position, add extra escapements $autoNum = str_replace( ['_', '%'], ['\\_', '\\%'], $autoNum ); $len = Toolbox::strlen($mask); $like = str_replace('#', '_', $autoNum); if ($global == 1) { $types = [ 'Computer', 'Monitor', 'NetworkEquipment', 'Peripheral', 'Phone', 'Printer' ]; $subqueries = []; foreach ($types as $t) { $table = $this->getTableForItemType($t); $criteria = [ 'SELECT' => ["$field AS code"], 'FROM' => $table, 'WHERE' => [ $field => ['LIKE', $like], 'is_deleted' => 0, 'is_template' => 0 ] ]; if ( $CFG_GLPI["use_autoname_by_entity"] && ($entities_id >= 0) ) { $criteria['WHERE']['entities_id'] = $entities_id; } $subqueries[] = new \QuerySubQuery($criteria); } $criteria = [ 'SELECT' => [ new \QueryExpression( "CAST(SUBSTRING(" . $DB->quoteName('code') . ", $pos, $len) AS " . "unsigned) AS " . $DB->quoteName('no') ) ], 'FROM' => new \QueryUnion($subqueries, false, 'codes') ]; } else { $table = $this->getTableForItemType($itemtype); $criteria = [ 'SELECT' => [ new \QueryExpression( "CAST(SUBSTRING(" . $DB->quoteName($field) . ", $pos, $len) AS " . "unsigned) AS " . $DB->quoteName('no') ) ], 'FROM' => $table, 'WHERE' => [ $field => ['LIKE', $like] ] ]; if ($itemtype != 'Infocom') { $criteria['WHERE']['is_deleted'] = 0; $criteria['WHERE']['is_template'] = 0; if ( $CFG_GLPI["use_autoname_by_entity"] && ($entities_id >= 0) ) { $criteria['WHERE']['entities_id'] = $entities_id; } } } $subquery = new \QuerySubQuery($criteria, 'Num'); $iterator = $DB->request([ 'SELECT' => ['MAX' => 'Num.no AS lastNo'], 'FROM' => $subquery ]); if (count($iterator)) { $result = $iterator->current(); $newNo = $result['lastNo'] + 1; } else { $newNo = 0; } $objectName = str_replace( [ $mask, '\\_', '\\%' ], [ Toolbox::str_pad($newNo, $len, '0', STR_PAD_LEFT), '_', '%' ], $autoNum ); if ($was_sanitized) { $objectName = Sanitizer::encodeHtmlSpecialChars($objectName); } return $objectName; } /** * Close active DB connections * * @return void */ public function closeDBConnections() { /** @var \DBmysql $DB */ global $DB; // Case of not init $DB object if ($DB !== null && method_exists($DB, "close")) { $DB->close(); } } /** * Get dates conditions to use in 'WHERE' clause * * @param string $field table.field to request * @param string $begin begin date * @param string $end end date * * @return array */ public function getDateCriteria($field, $begin, $end) { /** @var \DBmysql $DB */ global $DB; $date_pattern = '/^\d{4}-\d{2}-\d{2}( \d{2}:\d{2}:\d{2})?$/'; // `YYYY-mm-dd` optionaly followed by ` HH:ii:ss` $criteria = []; if (is_string($begin) && preg_match($date_pattern, $begin) === 1) { $criteria[] = [$field => ['>=', $begin]]; } elseif ($begin !== null && $begin !== '') { trigger_error( sprintf('Invalid %s date value.', json_encode($begin)), E_USER_WARNING ); } if (is_string($end) && preg_match($date_pattern, $end) === 1) { $end_expr = new QueryExpression( 'ADDDATE(' . $DB->quoteValue($end) . ', INTERVAL 1 DAY)' ); $criteria[] = [$field => ['<=', $end_expr]]; } elseif ($end !== null && $end !== '') { trigger_error( sprintf('Invalid %s date value.', json_encode($end)), E_USER_WARNING ); } return $criteria; } /** * Export an array to be stored in a simple field in the database * * @param array $array Array to export / encode (one level depth) * * @return string containing encoded array */ public function exportArrayToDB($array) { return json_encode($array); } /** * Import an array encoded in a simple field in the database * * @param string $data data readed in DB to import * * @return array containing datas */ public function importArrayFromDB($data) { if ($data === null) { return []; } $tab = json_decode($data, true); // Use old scheme to decode if (!is_array($tab)) { $tab = []; foreach (explode(" ", $data) as $item) { $a = explode("=>", $item); if ( (strlen($a[0]) > 0) && isset($a[1]) ) { $tab[urldecode($a[0])] = urldecode($a[1]); } } } return $tab; } /** * Get hour from sql * * @param string $time datetime time * * @return array */ public function getHourFromSql($time) { $t = explode(" ", $time); $p = explode(":", $t[1]); return $p[0] . ":" . $p[1]; } /** * Get the $RELATION array. It defines all relations between tables in the DB; * plugins may add their own stuff * * @return array the $RELATION array */ public function getDbRelations() { $RELATION = []; // Redefined inside /inc/relation.constant.php include(GLPI_ROOT . "/inc/relation.constant.php"); // Add plugins relations $plug_rel = Plugin::getDatabaseRelations(); if (count($plug_rel) > 0) { $RELATION = array_merge_recursive($RELATION, $plug_rel); } $normalized_relations = []; foreach ($RELATION as $source_table => $table_relations) { $source_itemtype = getItemTypeForTable($source_table); if (!is_a($source_itemtype, CommonDBTM::class, true)) { trigger_error( sprintf( 'Invalid relations declared for "%s" table. Table does not correspond to a known itemtype.', $source_table ), E_USER_WARNING ); continue; } $normalized_relations[$source_table] = []; foreach ($table_relations as $target_table_key => $target_fields) { $normalized_relations[$source_table][$target_table_key] = []; $target_table = preg_replace('/^_/', '', $target_table_key); // Harmonize relations specs. // Can be: // 1 - a string representing a unique forign key relation: e.g. 'users_id' // 2 - an array representing a unique polymorphic relation: e.g. ['itemtype', 'items_id'] // 3 - an array containing one element per relation: e.g. ['users_id', 'users_id_tech', ['itemtype', 'items_id']] // // Result should always be an array containing one element per relation. if ( !is_array($target_fields) || ( // 'itemtype'/'items_id' (polymorphic relationship) count($target_fields) === 2 && count(array_filter($target_fields, 'is_array')) === 0 // ensure array elements are only strings && count(preg_grep('/^itemtype/', $target_fields)) === 1 && count(preg_grep('/^items_id/', $target_fields)) === 1 ) || ( // glpi_ipaddresses relationship that does not respect naming conventions count($target_fields) === 2 && count(array_filter($target_fields, 'is_array')) === 0 // ensure array elements are only strings && in_array('mainitemtype', $target_fields) && in_array('mainitems_id', $target_fields) ) ) { $target_fields = [$target_fields]; } $target_itemtype = getItemTypeForTable($target_table); if (!is_a($target_itemtype, CommonDBTM::class, true)) { trigger_error( sprintf( 'Invalid relations declared for "%s" table. Target table "%s" does not correspond to a known itemtype.', $source_table, $target_table ), E_USER_WARNING ); continue; } foreach ($target_fields as $target_field) { if (is_string($target_field)) { if (!str_starts_with($target_table_key, '_') && $target_itemtype::getIndexName() === $target_field) { // Relation is declared on ID field of the item. // This is an unexpected case that we cannot support. // Indeed, we would have to pass the current ID value (used to load the item before saving it) // and the new field value (used to update the value) in the same array key. This is not possible. trigger_error( sprintf( 'Relation between "%s" and "%s" table based on "%s" field cannot be handled automatically as "%s" also corresponds to index field of the target table.', $source_table, $target_table, $target_field, $target_field ), E_USER_WARNING ); continue; } if ( in_array($source_table, ['glpi_authldaps', 'glpi_authmails']) && $target_table === 'glpi_users' && $target_field === 'auths_id' ) { // Ignore this specific case. // FIXME `auths_id` should be replaced by a polymorphic `itemtype_auth`/`items_id_auth` relation. continue; } if ( $source_table === 'glpi_requesttypes' && $target_table === 'glpi_users' && $target_field === 'default_requesttypes_id' ) { // Ignore this specific case. // FIXME `default_requesttypes_id` should be renamed to `requesttypes_id_default` to respect naming conventions. continue; } if ( $source_table === 'glpi_knowbaseitems_comments' && $target_table === 'glpi_knowbaseitems_comments' && $target_field === 'parent_comment_id' ) { // Ignore this specific case. // FIXME `parent_comment_id` should be renamed to `knowbaseitems_comments_id_parent` to respect naming conventions. continue; } $target_field_itemtype = isForeignKeyField($target_field) ? getItemtypeForForeignKeyField($target_field) : null; if (!is_a($target_field_itemtype, CommonDBTM::class, true)) { // Relation is declared in a field that does not seems to be a foreign key. trigger_error( sprintf( 'Invalid relations declared between "%s" and "%s" table. Target field "%s" is not a foreign key field.', $source_table, $target_table, $target_field ), E_USER_WARNING ); continue; } if ($target_field_itemtype !== $source_itemtype) { // Relation is made on a field that is not a foreign key of the source object. trigger_error( sprintf( 'Invalid relations declared between "%s" and "%s" table. Target field "%s" is not a foreign key field of "%s".', $source_table, $target_table, $target_field, $source_itemtype ), E_USER_WARNING ); continue; } } else { $is_array = is_array($target_field); $is_polymorphic_relation = $is_array && count($target_field) === 2 && count(preg_grep('/^itemtype/', $target_field)) === 1 && count(preg_grep('/^items_id/', $target_field)) === 1; $is_ipaddress_relation = $is_array && $target_table === 'glpi_ipaddresses' && count($target_field) === 2 && in_array('mainitemtype', $target_field) && in_array('mainitems_id', $target_field); if (!$is_array && !$is_polymorphic_relation && !$is_ipaddress_relation) { trigger_error( sprintf( 'Invalid relations declared between "%s" and "%s" table. %s is not valid a valid relation.', $source_table, $target_table, json_encode($target_field) ), E_USER_WARNING ); continue; } } // If code reach this point, then no exception case was detected. // Relation si so preserved. $normalized_relations[$source_table][$target_table_key][] = $target_field; } } } return $normalized_relations; } /** * Return ItemType for a foreign key * * @param string $fkname Foreign key * * @return string ItemType name for the fkname parameter */ public function getItemtypeForForeignKeyField($fkname) { $table = $this->getTableNameForForeignKeyField($fkname); return $this->getItemTypeForTable($table); } }