Viewing file: rte_events.lib.php (25.01 KB) -rw-rw-rw- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * Functions for event management. * * @package PhpMyAdmin */ if (! defined('PHPMYADMIN')) { exit; }
/** * Sets required globals * * @return void */ function PMA_EVN_setGlobals() { global $event_status, $event_type, $event_interval;
$event_status = array( 'query' => array('ENABLE', 'DISABLE', 'DISABLE ON SLAVE'), 'display' => array('ENABLED', 'DISABLED', 'SLAVESIDE_DISABLED') ); $event_type = array('RECURRING', 'ONE TIME'); $event_interval = array('YEAR', 'QUARTER', 'MONTH', 'DAY', 'HOUR', 'MINUTE', 'WEEK', 'SECOND', 'YEAR_MONTH', 'DAY_HOUR', 'DAY_MINUTE', 'DAY_SECOND', 'HOUR_MINUTE', 'HOUR_SECOND', 'MINUTE_SECOND'); }
/** * Main function for the events functionality * * @return void */ function PMA_EVN_main() { global $db;
PMA_EVN_setGlobals(); /** * Process all requests */ PMA_EVN_handleEditor(); PMA_EVN_handleExport(); /** * Display a list of available events */ $columns = "`EVENT_NAME`, `EVENT_TYPE`, `STATUS`"; $where = "EVENT_SCHEMA='" . PMA_Util::sqlAddSlashes($db) . "'"; $query = "SELECT $columns FROM `INFORMATION_SCHEMA`.`EVENTS` " . "WHERE $where ORDER BY `EVENT_NAME` ASC;"; $items = $GLOBALS['dbi']->fetchResult($query); echo PMA_RTE_getList('event', $items); /** * Display a link for adding a new event, if * the user has the privileges and a link to * toggle the state of the event scheduler. */ echo PMA_EVN_getFooterLinks(); } // end PMA_EVN_main()
/** * Handles editor requests for adding or editing an item * * @return void */ function PMA_EVN_handleEditor() { global $_REQUEST, $_POST, $errors, $db;
if (! empty($_REQUEST['editor_process_add']) || ! empty($_REQUEST['editor_process_edit']) ) { $sql_query = '';
$item_query = PMA_EVN_getQueryFromRequest();
if (! count($errors)) { // set by PMA_RTN_getQueryFromRequest() // Execute the created query if (! empty($_REQUEST['editor_process_edit'])) { // Backup the old trigger, in case something goes wrong $create_item = $GLOBALS['dbi']->getDefinition( $db, 'EVENT', $_REQUEST['item_original_name'] ); $drop_item = "DROP EVENT " . PMA_Util::backquote($_REQUEST['item_original_name']) . ";\n"; $result = $GLOBALS['dbi']->tryQuery($drop_item); if (! $result) { $errors[] = sprintf( __('The following query has failed: "%s"'), htmlspecialchars($drop_item) ) . '<br />' . __('MySQL said: ') . $GLOBALS['dbi']->getError(null); } else { $result = $GLOBALS['dbi']->tryQuery($item_query); if (! $result) { $errors[] = sprintf( __('The following query has failed: "%s"'), htmlspecialchars($item_query) ) . '<br />' . __('MySQL said: ') . $GLOBALS['dbi']->getError(null); // We dropped the old item, but were unable to create // the new one. Try to restore the backup query $result = $GLOBALS['dbi']->tryQuery($create_item); if (! $result) { // OMG, this is really bad! We dropped the query, // failed to create a new one // and now even the backup query does not execute! // This should not happen, but we better handle // this just in case. $errors[] = __( 'Sorry, we failed to restore the dropped event.' ) . '<br />' . __('The backed up query was:') . "\"" . htmlspecialchars($create_item) . "\"" . '<br />' . __('MySQL said: ') . $GLOBALS['dbi']->getError(null); } } else { $message = PMA_Message::success( __('Event %1$s has been modified.') ); $message->addParam( PMA_Util::backquote($_REQUEST['item_name']) ); $sql_query = $drop_item . $item_query; } } } else { // 'Add a new item' mode $result = $GLOBALS['dbi']->tryQuery($item_query); if (! $result) { $errors[] = sprintf( __('The following query has failed: "%s"'), htmlspecialchars($item_query) ) . '<br /><br />' . __('MySQL said: ') . $GLOBALS['dbi']->getError(null); } else { $message = PMA_Message::success( __('Event %1$s has been created.') ); $message->addParam( PMA_Util::backquote($_REQUEST['item_name']) ); $sql_query = $item_query; } } }
if (count($errors)) { $message = PMA_Message::error( '<b>' . __( 'One or more errors have occurred while processing your request:' ) . '</b>' ); $message->addString('<ul>'); foreach ($errors as $string) { $message->addString('<li>' . $string . '</li>'); } $message->addString('</ul>'); }
$output = PMA_Util::getMessage($message, $sql_query); if ($GLOBALS['is_ajax_request']) { $response = PMA_Response::getInstance(); if ($message->isSuccess()) { $columns = "`EVENT_NAME`, `EVENT_TYPE`, `STATUS`"; $where = "EVENT_SCHEMA='" . PMA_Util::sqlAddSlashes($db) . "' " . "AND EVENT_NAME='" . PMA_Util::sqlAddSlashes($_REQUEST['item_name']) . "'"; $query = "SELECT " . $columns . " FROM `INFORMATION_SCHEMA`.`EVENTS` WHERE " . $where . ";"; $event = $GLOBALS['dbi']->fetchSingleRow($query); $response->addJSON( 'name', htmlspecialchars(strtoupper($_REQUEST['item_name'])) ); $response->addJSON('new_row', PMA_EVN_getRowForList($event)); $response->addJSON('insert', ! empty($event)); $response->addJSON('message', $output); } else { $response->isSuccess(false); $response->addJSON('message', $message); } exit; } } /** * Display a form used to add/edit a trigger, if necessary */ if (count($errors) || (empty($_REQUEST['editor_process_add']) && empty($_REQUEST['editor_process_edit']) && (! empty($_REQUEST['add_item']) || ! empty($_REQUEST['edit_item']) || ! empty($_REQUEST['item_changetype']))) ) { // FIXME: this must be simpler than that $operation = ''; if (! empty($_REQUEST['item_changetype'])) { $operation = 'change'; } // Get the data for the form (if any) if (! empty($_REQUEST['add_item'])) { $title = PMA_RTE_getWord('add'); $item = PMA_EVN_getDataFromRequest(); $mode = 'add'; } else if (! empty($_REQUEST['edit_item'])) { $title = __("Edit event"); if (! empty($_REQUEST['item_name']) && empty($_REQUEST['editor_process_edit']) && empty($_REQUEST['item_changetype']) ) { $item = PMA_EVN_getDataFromName($_REQUEST['item_name']); if ($item !== false) { $item['item_original_name'] = $item['item_name']; } } else { $item = PMA_EVN_getDataFromRequest(); } $mode = 'edit'; } if ($item !== false) { // Show form $editor = PMA_EVN_getEditorForm($mode, $operation, $item); if ($GLOBALS['is_ajax_request']) { $response = PMA_Response::getInstance(); $response->addJSON('message', $editor); $response->addJSON('title', $title); } else { echo "\n\n<h2>$title</h2>\n\n$editor"; unset($_POST); } exit; } else { $message = __('Error in processing request:') . ' '; $message .= sprintf( PMA_RTE_getWord('not_found'), htmlspecialchars(PMA_Util::backquote($_REQUEST['item_name'])), htmlspecialchars(PMA_Util::backquote($db)) ); $message = PMA_message::error($message); if ($GLOBALS['is_ajax_request']) { $response = PMA_Response::getInstance(); $response->isSuccess(false); $response->addJSON('message', $message); exit; } else { $message->display(); } } } } // end PMA_EVN_handleEditor()
/** * This function will generate the values that are required to for the editor * * @return array Data necessary to create the editor. */ function PMA_EVN_getDataFromRequest() { $retval = array(); $indices = array('item_name', 'item_original_name', 'item_status', 'item_execute_at', 'item_interval_value', 'item_interval_field', 'item_starts', 'item_ends', 'item_definition', 'item_preserve', 'item_comment', 'item_definer'); foreach ($indices as $index) { $retval[$index] = isset($_REQUEST[$index]) ? $_REQUEST[$index] : ''; } $retval['item_type'] = 'ONE TIME'; $retval['item_type_toggle'] = 'RECURRING'; if (isset($_REQUEST['item_type']) && $_REQUEST['item_type'] == 'RECURRING') { $retval['item_type'] = 'RECURRING'; $retval['item_type_toggle'] = 'ONE TIME'; } return $retval; } // end PMA_EVN_getDataFromRequest()
/** * This function will generate the values that are required to complete * the "Edit event" form given the name of a event. * * @param string $name The name of the event. * * @return array Data necessary to create the editor. */ function PMA_EVN_getDataFromName($name) { global $db;
$retval = array(); $columns = "`EVENT_NAME`, `STATUS`, `EVENT_TYPE`, `EXECUTE_AT`, " . "`INTERVAL_VALUE`, `INTERVAL_FIELD`, `STARTS`, `ENDS`, " . "`EVENT_DEFINITION`, `ON_COMPLETION`, `DEFINER`, `EVENT_COMMENT`"; $where = "EVENT_SCHEMA='" . PMA_Util::sqlAddSlashes($db) . "' " . "AND EVENT_NAME='" . PMA_Util::sqlAddSlashes($name) . "'"; $query = "SELECT $columns FROM `INFORMATION_SCHEMA`.`EVENTS` WHERE $where;"; $item = $GLOBALS['dbi']->fetchSingleRow($query); if (! $item) { return false; } $retval['item_name'] = $item['EVENT_NAME']; $retval['item_status'] = $item['STATUS']; $retval['item_type'] = $item['EVENT_TYPE']; if ($retval['item_type'] == 'RECURRING') { $retval['item_type_toggle'] = 'ONE TIME'; } else { $retval['item_type_toggle'] = 'RECURRING'; } $retval['item_execute_at'] = $item['EXECUTE_AT']; $retval['item_interval_value'] = $item['INTERVAL_VALUE']; $retval['item_interval_field'] = $item['INTERVAL_FIELD']; $retval['item_starts'] = $item['STARTS']; $retval['item_ends'] = $item['ENDS']; $retval['item_preserve'] = ''; if ($item['ON_COMPLETION'] == 'PRESERVE') { $retval['item_preserve'] = " checked='checked'"; } $retval['item_definition'] = $item['EVENT_DEFINITION']; $retval['item_definer'] = $item['DEFINER']; $retval['item_comment'] = $item['EVENT_COMMENT'];
return $retval; } // end PMA_EVN_getDataFromName()
/** * Displays a form used to add/edit an event * * @param string $mode If the editor will be used edit an event * or add a new one: 'edit' or 'add'. * @param string $operation If the editor was previously invoked with * JS turned off, this will hold the name of * the current operation * @param array $item Data for the event returned by * PMA_EVN_getDataFromRequest() or * PMA_EVN_getDataFromName() * * @return string HTML code for the editor. */ function PMA_EVN_getEditorForm($mode, $operation, $item) { global $db, $table, $event_status, $event_type, $event_interval;
// Escape special characters $need_escape = array( 'item_original_name', 'item_name', 'item_type', 'item_execute_at', 'item_interval_value', 'item_starts', 'item_ends', 'item_definition', 'item_definer', 'item_comment' ); foreach ($need_escape as $index) { $item[$index] = htmlentities($item[$index], ENT_QUOTES); } $original_data = ''; if ($mode == 'edit') { $original_data = "<input name='item_original_name' " . "type='hidden' value='{$item['item_original_name']}'/>\n"; } // Handle some logic first if ($operation == 'change') { if ($item['item_type'] == 'RECURRING') { $item['item_type'] = 'ONE TIME'; $item['item_type_toggle'] = 'RECURRING'; } else { $item['item_type'] = 'RECURRING'; $item['item_type_toggle'] = 'ONE TIME'; } } if ($item['item_type'] == 'ONE TIME') { $isrecurring_class = ' hide'; $isonetime_class = ''; } else { $isrecurring_class = ''; $isonetime_class = ' hide'; } // Create the output $retval = ""; $retval .= "<!-- START " . strtoupper($mode) . " EVENT FORM -->\n\n"; $retval .= "<form class='rte_form' action='db_events.php' method='post'>\n"; $retval .= "<input name='{$mode}_item' type='hidden' value='1' />\n"; $retval .= $original_data; $retval .= PMA_URL_getHiddenInputs($db, $table) . "\n"; $retval .= "<fieldset>\n"; $retval .= "<legend>" . __('Details') . "</legend>\n"; $retval .= "<table class='rte_table' style='width: 100%'>\n"; $retval .= "<tr>\n"; $retval .= " <td style='width: 20%;'>" . __('Event name') . "</td>\n"; $retval .= " <td><input type='text' name='item_name' \n"; $retval .= " value='{$item['item_name']}'\n"; $retval .= " maxlength='64' /></td>\n"; $retval .= "</tr>\n"; $retval .= "<tr>\n"; $retval .= " <td>" . __('Status') . "</td>\n"; $retval .= " <td>\n"; $retval .= " <select name='item_status'>\n"; foreach ($event_status['display'] as $key => $value) { $selected = ""; if (! empty($item['item_status']) && $item['item_status'] == $value) { $selected = " selected='selected'"; } $retval .= "<option$selected>$value</option>"; } $retval .= " </select>\n"; $retval .= " </td>\n"; $retval .= "</tr>\n";
$retval .= "<tr>\n"; $retval .= " <td>" . __('Event type') . "</td>\n"; $retval .= " <td>\n"; if ($GLOBALS['is_ajax_request']) { $retval .= " <select name='item_type'>"; foreach ($event_type as $key => $value) { $selected = ""; if (! empty($item['item_type']) && $item['item_type'] == $value) { $selected = " selected='selected'"; } $retval .= "<option$selected>$value</option>"; } $retval .= " </select>\n"; } else { $retval .= " <input name='item_type' type='hidden' \n"; $retval .= " value='{$item['item_type']}' />\n"; $retval .= " <div style='width: 49%; float: left; text-align: center;" . " font-weight: bold;'>\n"; $retval .= " {$item['item_type']}\n"; $retval .= " </div>\n"; $retval .= " <input style='width: 49%;' type='submit'\n"; $retval .= " name='item_changetype'\n"; $retval .= " value='"; $retval .= sprintf(__('Change to %s'), $item['item_type_toggle']); $retval .= "' />\n"; } $retval .= " </td>\n"; $retval .= "</tr>\n"; $retval .= "<tr class='onetime_event_row $isonetime_class'>\n"; $retval .= " <td>" . __('Execute at') . "</td>\n"; $retval .= " <td class='nowrap'>\n"; $retval .= " <input type='text' name='item_execute_at'\n"; $retval .= " value='{$item['item_execute_at']}'\n"; $retval .= " class='datetimefield' />\n"; $retval .= " </td>\n"; $retval .= "</tr>\n"; $retval .= "<tr class='recurring_event_row $isrecurring_class'>\n"; $retval .= " <td>" . __('Execute every') . "</td>\n"; $retval .= " <td>\n"; $retval .= " <input style='width: 49%;' type='text'\n"; $retval .= " name='item_interval_value'\n"; $retval .= " value='{$item['item_interval_value']}' />\n"; $retval .= " <select style='width: 49%;' name='item_interval_field'>"; foreach ($event_interval as $key => $value) { $selected = ""; if (! empty($item['item_interval_field']) && $item['item_interval_field'] == $value ) { $selected = " selected='selected'"; } $retval .= "<option$selected>$value</option>"; } $retval .= " </select>\n"; $retval .= " </td>\n"; $retval .= "</tr>\n"; $retval .= "<tr class='recurring_event_row$isrecurring_class'>\n"; $retval .= " <td>" . _pgettext('Start of recurring event', 'Start'); $retval .= " </td>\n"; $retval .= " <td class='nowrap'>\n"; $retval .= " <input type='text'\n name='item_starts'\n"; $retval .= " value='{$item['item_starts']}'\n"; $retval .= " class='datetimefield' />\n"; $retval .= " </td>\n"; $retval .= "</tr>\n"; $retval .= "<tr class='recurring_event_row$isrecurring_class'>\n"; $retval .= " <td>" . _pgettext('End of recurring event', 'End') . "</td>\n"; $retval .= " <td class='nowrap'>\n"; $retval .= " <input type='text' name='item_ends'\n"; $retval .= " value='{$item['item_ends']}'\n"; $retval .= " class='datetimefield' />\n"; $retval .= " </td>\n"; $retval .= "</tr>\n"; $retval .= "<tr>\n"; $retval .= " <td>" . __('Definition') . "</td>\n"; $retval .= " <td><textarea name='item_definition' rows='15' cols='40'>"; $retval .= $item['item_definition']; $retval .= "</textarea></td>\n"; $retval .= "</tr>\n"; $retval .= "<tr>\n"; $retval .= " <td>" . __('On completion preserve') . "</td>\n"; $retval .= " <td><input type='checkbox'\n"; $retval .= " name='item_preserve'{$item['item_preserve']} /></td>\n"; $retval .= "</tr>\n"; $retval .= "<tr>\n"; $retval .= " <td>" . __('Definer') . "</td>\n"; $retval .= " <td><input type='text' name='item_definer'\n"; $retval .= " value='{$item['item_definer']}' /></td>\n"; $retval .= "</tr>\n"; $retval .= "<tr>\n"; $retval .= " <td>" . __('Comment') . "</td>\n"; $retval .= " <td><input type='text' name='item_comment' maxlength='64'\n"; $retval .= " value='{$item['item_comment']}' /></td>\n"; $retval .= "</tr>\n"; $retval .= "</table>\n"; $retval .= "</fieldset>\n"; if ($GLOBALS['is_ajax_request']) { $retval .= "<input type='hidden' name='editor_process_{$mode}'\n"; $retval .= " value='true' />\n"; $retval .= "<input type='hidden' name='ajax_request' value='true' />\n"; } else { $retval .= "<fieldset class='tblFooters'>\n"; $retval .= " <input type='submit' name='editor_process_{$mode}'\n"; $retval .= " value='" . __('Go') . "' />\n"; $retval .= "</fieldset>\n"; } $retval .= "</form>\n\n"; $retval .= "<!-- END " . strtoupper($mode) . " EVENT FORM -->\n\n";
return $retval; } // end PMA_EVN_getEditorForm()
/** * Composes the query necessary to create an event from an HTTP request. * * @return string The CREATE EVENT query. */ function PMA_EVN_getQueryFromRequest() { global $_REQUEST, $errors, $event_status, $event_type, $event_interval;
$query = 'CREATE '; if (! empty($_REQUEST['item_definer'])) { if (strpos($_REQUEST['item_definer'], '@') !== false) { $arr = explode('@', $_REQUEST['item_definer']); $query .= 'DEFINER=' . PMA_Util::backquote($arr[0]); $query .= '@' . PMA_Util::backquote($arr[1]) . ' '; } else { $errors[] = __('The definer must be in the "username@hostname" format!'); } } $query .= 'EVENT '; if (! empty($_REQUEST['item_name'])) { $query .= PMA_Util::backquote($_REQUEST['item_name']) . ' '; } else { $errors[] = __('You must provide an event name!'); } $query .= 'ON SCHEDULE '; if (! empty($_REQUEST['item_type']) && in_array($_REQUEST['item_type'], $event_type) ) { if ($_REQUEST['item_type'] == 'RECURRING') { if (! empty($_REQUEST['item_interval_value']) && !empty($_REQUEST['item_interval_field']) && in_array($_REQUEST['item_interval_field'], $event_interval) ) { $query .= 'EVERY ' . intval($_REQUEST['item_interval_value']) . ' '; $query .= $_REQUEST['item_interval_field'] . ' '; } else { $errors[] = __('You must provide a valid interval value for the event.'); } if (! empty($_REQUEST['item_starts'])) { $query .= "STARTS '" . PMA_Util::sqlAddSlashes($_REQUEST['item_starts']) . "' "; } if (! empty($_REQUEST['item_ends'])) { $query .= "ENDS '" . PMA_Util::sqlAddSlashes($_REQUEST['item_ends']) . "' "; } } else { if (! empty($_REQUEST['item_execute_at'])) { $query .= "AT '" . PMA_Util::sqlAddSlashes($_REQUEST['item_execute_at']) . "' "; } else { $errors[] = __('You must provide a valid execution time for the event.'); } } } else { $errors[] = __('You must provide a valid type for the event.'); } $query .= 'ON COMPLETION '; if (empty($_REQUEST['item_preserve'])) { $query .= 'NOT '; } $query .= 'PRESERVE '; if (! empty($_REQUEST['item_status'])) { foreach ($event_status['display'] as $key => $value) { if ($value == $_REQUEST['item_status']) { $query .= $event_status['query'][$key] . ' '; break; } } } if (! empty($_REQUEST['item_comment'])) { $query .= "COMMENT '" . PMA_Util::sqlAddslashes( $_REQUEST['item_comment'] ) . "' "; } $query .= 'DO '; if (! empty($_REQUEST['item_definition'])) { $query .= $_REQUEST['item_definition']; } else { $errors[] = __('You must provide an event definition.'); }
return $query; } // end PMA_EVN_getQueryFromRequest()
?>
|