installer: use PDO, improve wording for some notices

PDO wrapper: allow working with blank DB_HOST
This commit is contained in:
Andrew Dolgov 2017-12-10 09:20:52 +03:00
parent 3b2276274a
commit f8db5bb4db
3 changed files with 40 additions and 65 deletions

View File

@ -52,8 +52,9 @@ class Db
private function pdo_connect() { private function pdo_connect() {
$db_port = defined('DB_PORT') && DB_PORT ? ';port=' . DB_PORT : ''; $db_port = defined('DB_PORT') && DB_PORT ? ';port=' . DB_PORT : '';
$db_host = defined('DB_HOST') && DB_HOST ? ';host=' . DB_HOST : '';
$this->pdo = new PDO(DB_TYPE . ':dbname=' . DB_NAME . ';host=' . DB_HOST . $db_port, $this->pdo = new PDO(DB_TYPE . ':dbname=' . DB_NAME . $db_host . $db_port,
DB_USER, DB_USER,
DB_PASS); DB_PASS);

View File

@ -140,7 +140,7 @@
} }
if (!class_exists("PDO")) { if (!class_exists("PDO")) {
array_push($errors, "PHP support for PDO (Portable Data Objects) is required but was not found."); array_push($errors, "PHP support for PDO is required but was not found.");
} }
if (!function_exists("mb_strlen")) { if (!function_exists("mb_strlen")) {

View File

@ -50,12 +50,8 @@
array_push($errors, "PHP support for JSON is required, but was not found."); array_push($errors, "PHP support for JSON is required, but was not found.");
} }
if ($db_type == "mysql" && !function_exists("mysqli_connect")) { if (!class_exists("PDO")) {
array_push($errors, "PHP support for MySQL is required for configured $db_type in config.php."); array_push($errors, "PHP support for PDO is required but was not found.");
}
if ($db_type == "pgsql" && !function_exists("pg_connect")) {
array_push($errors, "PHP support for PostgreSQL is required for configured $db_type in config.php");
} }
if (!function_exists("mb_strlen")) { if (!function_exists("mb_strlen")) {
@ -89,33 +85,21 @@
print "<div class=\"alert alert-info\">$msg</div>"; print "<div class=\"alert alert-info\">$msg</div>";
} }
function db_connect($host, $user, $pass, $db, $type, $port = false) { function pdo_connect($host, $user, $pass, $db, $type, $port = false) {
if ($type == "pgsql") {
$string = "dbname=$db user=$user"; $db_port = $port ? ';port=' . $port : '';
$db_host = $host ? ';host=' . $host : '';
if ($pass) { try {
$string .= " password=$pass"; $pdo = new PDO($type . ':dbname=' . $db . $db_host . $db_port,
} $user,
$pass);
if ($host) { return $pdo;
$string .= " host=$host"; } catch (Exception $e) {
} print "<div class='alert alert-danger'>" . $e->getMessage() . "</div>";
return null;
if ($port) { }
$string = "$string port=" . $port;
}
$link = pg_connect($string);
return $link;
} else if ($type == "mysql") {
if ($port)
return mysqli_connect($host, $user, $pass, $db, $port);
else
return mysqli_connect($host, $user, $pass, $db);
}
} }
function make_config($DB_TYPE, $DB_HOST, $DB_USER, $DB_NAME, $DB_PASS, function make_config($DB_TYPE, $DB_HOST, $DB_USER, $DB_NAME, $DB_PASS,
@ -154,30 +138,6 @@
return $rv; return $rv;
} }
function db_query($link, $query, $type, $die_on_error = true) {
if ($type == "pgsql") {
$result = pg_query($link, $query);
if (!$result) {
$query = htmlspecialchars($query); // just in case
if ($die_on_error) {
die("Query <i>$query</i> failed [$result]: " . ($link ? pg_last_error($link) : "No connection"));
}
}
return $result;
} else if ($type == "mysql") {
$result = mysqli_query($link, $query);
if (!$result) {
$query = htmlspecialchars($query);
if ($die_on_error) {
die("Query <i>$query</i> failed: " . ($link ? mysqli_error($link) : "No connection"));
}
}
return $result;
}
}
function is_server_https() { function is_server_https() {
return (!empty($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] != 'off')) || $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https'; return (!empty($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] != 'off')) || $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https';
} }
@ -316,6 +276,14 @@
array_push($notices, "PHP support for Internationalization Functions is required to handle Internationalized Domain Names."); array_push($notices, "PHP support for Internationalization Functions is required to handle Internationalized Domain Names.");
} }
if ($DB_TYPE == "mysql" && !function_exists("mysqli_connect")) {
array_push($notices, "PHP extension for MySQL (mysqli) is missing. This may prevent legacy plugins from working.");
}
if ($DB_TYPE == "pgsql" && !function_exists("pg_connect")) {
array_push($notices, "PHP extension for PostgreSQL is missing. This may prevent legacy plugins from working.");
}
if (count($notices) > 0) { if (count($notices) > 0) {
print_notice("Configuration check succeeded with minor problems:"); print_notice("Configuration check succeeded with minor problems:");
@ -335,9 +303,9 @@
<h2>Checking database</h2> <h2>Checking database</h2>
<?php <?php
$link = db_connect($DB_HOST, $DB_USER, $DB_PASS, $DB_NAME, $DB_TYPE, $DB_PORT); $pdo = pdo_connect($DB_HOST, $DB_USER, $DB_PASS, $DB_NAME, $DB_TYPE, $DB_PORT);
if (!$link) { if (!$pdo) {
print_error("Unable to connect to database using specified parameters."); print_error("Unable to connect to database using specified parameters.");
exit; exit;
} }
@ -349,10 +317,10 @@
<p>Before you can start using tt-rss, database needs to be initialized. Click on the button below to do that now.</p> <p>Before you can start using tt-rss, database needs to be initialized. Click on the button below to do that now.</p>
<?php <?php
$result = @db_query($link, "SELECT true FROM ttrss_feeds", $DB_TYPE, false); $res = $pdo->query("SELECT true FROM ttrss_feeds");
if ($result) { if ($res && $res->fetch()) {
print_error("Existing tt-rss tables will be removed from the database. If you would like to keep your data, skip database initialization."); print_error("Some tt-rss data already exists in this database. If you continue with database initialization your current data will be lost.");
$need_confirm = true; $need_confirm = true;
} else { } else {
$need_confirm = false; $need_confirm = false;
@ -398,9 +366,9 @@
} else if ($op == 'installschema' || $op == 'skipschema') { } else if ($op == 'installschema' || $op == 'skipschema') {
$link = db_connect($DB_HOST, $DB_USER, $DB_PASS, $DB_NAME, $DB_TYPE, $DB_PORT); $pdo = pdo_connect($DB_HOST, $DB_USER, $DB_PASS, $DB_NAME, $DB_TYPE, $DB_PORT);
if (!$link) { if (!$pdo) {
print_error("Unable to connect to database using specified parameters."); print_error("Unable to connect to database using specified parameters.");
exit; exit;
} }
@ -409,11 +377,17 @@
print "<h2>Initializing database...</h2>"; print "<h2>Initializing database...</h2>";
$lines = explode(";", preg_replace("/[\r\n]/", "", file_get_contents("../schema/ttrss_schema_".basename($DB_TYPE).".sql"))); $lines = explode(";", preg_replace("/[\r\n]/", "",
file_get_contents("../schema/ttrss_schema_".basename($DB_TYPE).".sql")));
foreach ($lines as $line) { foreach ($lines as $line) {
if (strpos($line, "--") !== 0 && $line) { if (strpos($line, "--") !== 0 && $line) {
db_query($link, $line, $DB_TYPE); $res = $pdo->query($line);
if (!$res) {
print_notice("Query: $line");
print_error("Error: " . implode(", ", $this->pdo->errorInfo()));
}
} }
} }