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drop legacy DB interface and related sanity checks

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master
Andrew Dolgov 4 years ago
parent 9f55454f63
commit 5d42ce553f
5 changed files with 0 additions and 244 deletions
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47
classes/db.php
Unescape Escape View File

@ -1,13 +1,9 @@
<?php
class Db
{
/* @var Db $instance */
private static $instance;
/* @var IDb $adapter */
private $adapter;
private $link;
/* @var PDO $pdo */
@ -17,38 +13,6 @@ class Db
//
}
private function legacy_connect() {
user_error("Legacy connect requested to " . DB_TYPE, E_USER_NOTICE);
$er = error_reporting(E_ALL);
switch (DB_TYPE) {
case "mysql":
$this->adapter = new Db_Mysqli();
break;
case "pgsql":
$this->adapter = new Db_Pgsql();
break;
default:
die("Unknown DB_TYPE: " . DB_TYPE);
}
if (!$this->adapter) {
print("Error initializing database adapter for " . DB_TYPE);
exit(100);
}
$this->link = $this->adapter->connect(DB_HOST, DB_USER, DB_PASS, DB_NAME, defined('DB_PORT') ? DB_PORT : "");
if (!$this->link) {
print("Error connecting through adapter: " . $this->adapter->last_error());
exit(101);
}
error_reporting($er);
}
// this really shouldn't be used unless a separate PDO connection is needed
// normal usage is Db::pdo()->prepare(...) etc
public function pdo_connect() {
@ -92,17 +56,6 @@ class Db
return self::$instance;
}
public static function get() : Db {
if (self::$instance == null)
self::$instance = new self();
if (!self::$instance->adapter) {
self::$instance->legacy_connect();
}
return self::$instance->adapter;
}
public static function pdo() : PDO {
if (self::$instance == null)
self::$instance = new self();

85
classes/db/mysqli.php
Unescape Escape View File

@ -1,85 +0,0 @@
<?php
class Db_Mysqli implements IDb {
private $link;
private $last_error;
function connect($host, $user, $pass, $db, $port) {
if ($port)
$this->link = mysqli_connect($host, $user, $pass, $db, $port);
else
$this->link = mysqli_connect($host, $user, $pass, $db);
if ($this->link) {
$this->init();
return $this->link;
} else {
print("Unable to connect to database (as $user to $host, database $db): " . mysqli_connect_error());
exit(102);
}
}
function escape_string($s, $strip_tags = true) {
if ($strip_tags) $s = strip_tags($s);
return mysqli_real_escape_string($this->link, $s);
}
function query($query, $die_on_error = true) {
$result = @mysqli_query($this->link, $query);
if (!$result) {
$this->last_error = @mysqli_error($this->link);
@mysqli_query($this->link, "ROLLBACK");
user_error("Query $query failed: " . ($this->link ? $this->last_error : "No connection"),
$die_on_error ? E_USER_ERROR : E_USER_WARNING);
}
return $result;
}
function fetch_assoc($result) {
return mysqli_fetch_assoc($result);
}
function num_rows($result) {
return mysqli_num_rows($result);
}
function fetch_result($result, $row, $param) {
if (mysqli_data_seek($result, $row)) {
$line = mysqli_fetch_assoc($result);
return $line[$param];
} else {
return false;
}
}
function close() {
return mysqli_close($this->link);
}
function affected_rows($result) {
return mysqli_affected_rows($this->link);
}
function last_error() {
return mysqli_error($this->link);
}
function last_query_error() {
return $this->last_error;
}
function init() {
$this->query("SET time_zone = '+0:0'");
if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
mysqli_set_charset($this->link, MYSQL_CHARSET);
}
return true;
}
}

91
classes/db/pgsql.php
Unescape Escape View File

@ -1,91 +0,0 @@
<?php
class Db_Pgsql implements IDb {
private $link;
private $last_error;
function connect($host, $user, $pass, $db, $port) {
$string = "dbname=$db user=$user";
if ($pass) {
$string .= " password=$pass";
}
if ($host) {
$string .= " host=$host";
}
if (is_numeric($port) && $port > 0) {
$string = "$string port=" . $port;
}
$this->link = pg_connect($string);
if (!$this->link) {
print("Unable to connect to database (as $user to $host, database $db):" . pg_last_error());
exit(102);
}
$this->init();
return $this->link;
}
function escape_string($s, $strip_tags = true) {
if ($strip_tags) $s = strip_tags($s);
return pg_escape_string($s);
}
function query($query, $die_on_error = true) {
$result = @pg_query($this->link, $query);
if (!$result) {
$this->last_error = @pg_last_error($this->link);
@pg_query($this->link, "ROLLBACK");
$query = htmlspecialchars($query); // just in case
user_error("Query $query failed: " . ($this->link ? $this->last_error : "No connection"),
$die_on_error ? E_USER_ERROR : E_USER_WARNING);
}
return $result;
}
function fetch_assoc($result) {
return pg_fetch_assoc($result);
}
function num_rows($result) {
return pg_num_rows($result);
}
function fetch_result($result, $row, $param) {
return pg_fetch_result($result, $row, $param);
}
function close() {
return pg_close($this->link);
}
function affected_rows($result) {
return pg_affected_rows($result);
}
function last_error() {
return pg_last_error($this->link);
}
function last_query_error() {
return $this->last_error;
}
function init() {
$this->query("set client_encoding = 'UTF-8'");
pg_set_client_encoding("UNICODE");
$this->query("set datestyle = 'ISO, european'");
$this->query("set TIME ZONE 0");
$this->query("set cpu_tuple_cost = 0.5");
return true;
}
}

13
classes/idb.php
Unescape Escape View File

@ -1,13 +0,0 @@
<?php
interface IDb {
function connect($host, $user, $pass, $db, $port);
function escape_string($s, $strip_tags = true);
function query($query, $die_on_error = true);
function fetch_assoc($result);
function num_rows($result);
function fetch_result($result, $row, $param);
function close();
function affected_rows($result);
function last_error();
function last_query_error();
}

8
include/sanity_check.php
Unescape Escape View File

@ -137,14 +137,6 @@
array_push($errors, "PHP support for JSON is required, but was not found.");
}
if (DB_TYPE == "mysql" && !function_exists("mysqli_connect")) {
array_push($errors, "PHP support for MySQL is required for configured DB_TYPE in config.php.");
}
if (DB_TYPE == "pgsql" && !function_exists("pg_connect")) {
array_push($errors, "PHP support for PostgreSQL is required for configured DB_TYPE in config.php");
}
if (!class_exists("PDO")) {
array_push($errors, "PHP support for PDO is required but was not found.");
}

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