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-rw-r--r--engine/lib/upgrades/2010061501.php75
1 files changed, 75 insertions, 0 deletions
diff --git a/engine/lib/upgrades/2010061501.php b/engine/lib/upgrades/2010061501.php
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+++ b/engine/lib/upgrades/2010061501.php
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+<?php
+/**
+ * utf8 database conversion and file merging for usernames with multibyte chars
+ *
+ */
+
+
+// check that we need to do the utf8 conversion
+// C&P logic from 2010033101
+$dbversion = (int) datalist_get('version');
+
+if ($dbversion < 2009100701) {
+ // start a new link to the DB to see what its defaults are.
+ $link = mysql_connect($CONFIG->dbhost, $CONFIG->dbuser, $CONFIG->dbpass, TRUE);
+ mysql_select_db($CONFIG->dbname, $link);
+
+ $q = "SHOW VARIABLES LIKE 'character_set_client'";
+ $r = mysql_query($q);
+ $client = mysql_fetch_assoc($r);
+
+ $q = "SHOW VARIABLES LIKE 'character_set_connection'";
+ $r = mysql_query($q);
+ $connection = mysql_fetch_assoc($r);
+
+ // only run upgrade if not already talking utf8
+ if ($client['Value'] != 'utf8' && $connection['Value'] != 'utf8') {
+ $qs = array();
+ $qs[] = "SET NAMES utf8";
+
+ $qs[] = "ALTER TABLE {$CONFIG->dbprefix}users_entity DISABLE KEYS";
+ $qs[] = "REPLACE INTO {$CONFIG->dbprefix}users_entity
+ (guid, name, username, password, salt, email, language, code,
+ banned, admin, last_action, prev_last_action, last_login, prev_last_login)
+
+ SELECT guid, name, unhex(hex(convert(username using latin1))),
+ password, salt, email, language, code,
+ banned, admin, last_action, prev_last_action, last_login, prev_last_login
+ FROM {$CONFIG->dbprefix}users_entity";
+
+ $qs[] = "ALTER TABLE {$CONFIG->dbprefix}users_entity ENABLE KEYS";
+
+ foreach ($qs as $q) {
+ if (!update_data($q)) {
+ throw new Exception('Couldn\'t execute upgrade query: ' . $q);
+ }
+ }
+
+ global $ENTITY_CACHE;
+
+ /**
+ Upgrade file locations
+ */
+ // new connection to force into utf8 mode to get the old name
+ $link = mysql_connect($CONFIG->dbhost, $CONFIG->dbuser, $CONFIG->dbpass, TRUE);
+ mysql_select_db($CONFIG->dbname, $link);
+
+ // must be the first command
+ mysql_query("SET NAMES utf8");
+
+ $users = mysql_query("SELECT guid, username FROM {$CONFIG->dbprefix}users_entity
+ WHERE username != ''", $link);
+ while ($user = mysql_fetch_object($users)) {
+ $ENTITY_CACHE = array();
+ _elgg_invalidate_query_cache();
+
+
+ $to = $CONFIG->dataroot . user_file_matrix($user->guid);
+ foreach (array('1_0', '1_1', '1_6') as $version) {
+ $function = "file_matrix_$version";
+ $from = $CONFIG->dataroot . $function($user->username);
+ merge_directories($from, $to, $move = TRUE, $preference = 'from');
+ }
+ }
+ }
+}