boinc/html/inc/db.inc

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<?php
// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
require_once('../inc/util.inc');
require_once('../inc/boinc_db.inc');
// database-related functions.
// Presentation code (HTML) shouldn't be here
function db_init_aux($try_replica=false) {
$config = get_config();
$user = parse_config($config, "<db_user>");
$pass = parse_config($config, "<db_passwd>");
$db_name = parse_config($config, "<db_name>");
$host = null;
if ($try_replica) {
$x = parse_config($config, "<replica_db_host>");
if ($x) {
$host = $x;
$x = parse_config($config, "<replica_db_user>");
if ($x) $user = $x;
$x = parse_config($config, "<replica_db_passwd>");
if ($x) $pass = $x;
$x = parse_config($config, "<replica_db_name>");
if ($x) $db_name = $x;
}
}
if ($host == null) {
$host = parse_config($config, "<db_host>");
}
if ($host == null) {
$host = "localhost";
}
$link = mysql_pconnect($host, $user, $pass);
if (!$link) {
return 1;
}
if (!mysql_select_db($db_name, $link)) {
echo "selecting $db_name\n";
return 2;
}
return 0;
}
function lookup_user_auth($auth) {
$auth = BoincDb::escape_string($auth);
return BoincUser::lookup("authenticator='$auth'");
}
function lookup_user_id($id) {
return BoincUser::lookup_id($id);
}
function lookup_user_email_addr($email_addr) {
$e = BoincDb::escape_string($email_addr);
return BoincUser::lookup("email_addr='$e'");
}
function lookup_user_name($name) {
// TODO: is the following double escaped? Why?
$name = BoincDb::escape_string($name);
$users = BoincUser::enum("name='".boinc_real_escape_string($name)."'");
if (sizeof($users)==1) {
return $users[0];
}
return null;
}
function lookup_host($id) {
return BoincHost::lookup_id($id);
}
function lookup_team($id) {
return BoincTeam::lookup_id($id);
}
function lookup_team_founder($id) {
return BoincTeam::lookup("userid=$id");
}
function lookup_team_name($name) {
$name = BoincDb::escape_string($name);
return BoincTeam::lookup("name='$name'");
}
function lookup_wu($id) {
return BoincWorkunit::lookup_id($id);
}
function lookup_result($id) {
return BoincResult::lookup_id($id);
}
function lookup_app($id) {
return BoincApp::lookup_id($id);
}
// DEPRECATED: use BoincDb::escape_string where possible
//
// apply this to any user-supplied strings used in queries
//
function boinc_real_escape_string($x) {
if (version_compare(phpversion(),"4.3.0")>=0) {
return BoincDb::escape_string($x);
} else {
$x = str_replace("'", "\'", $x);
$x = str_replace("\"", "\\\"", $x);
return $x;
}
}
// escape a string for MySQL "like"
//
function escape_pattern($str) {
$str = str_replace('_', '\\\\_', $str);
$str = str_replace('%', '\\\\%', $str);
return $str;
}
?>