Increased referer length to 1024 and ensured values are cropped before trying to insert in database

This commit is contained in:
Alejandro Celaya 2019-08-24 10:25:43 +02:00
parent b31236958b
commit 56d0383170
8 changed files with 121 additions and 7 deletions

View file

@ -15,7 +15,7 @@
"php": "^7.2",
"ext-json": "*",
"ext-pdo": "*",
"acelaya/ze-content-based-error-handler": "^2.2",
"acelaya/ze-content-based-error-handler": "^3.0",
"akrabat/ip-address-middleware": "^1.0",
"cakephp/chronos": "^1.2",
"cocur/slugify": "^3.0",

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@ -0,0 +1,36 @@
<?php
declare(strict_types=1);
namespace ShlinkMigrations;
use Doctrine\DBAL\Schema\Column;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\DBAL\Schema\SchemaException;
use Doctrine\Migrations\AbstractMigration;
final class Version20190824075137 extends AbstractMigration
{
/**
* @throws SchemaException
*/
public function up(Schema $schema): void
{
$this->getRefererColumn($schema)->setLength(1024);
}
/**
* @throws SchemaException
*/
public function down(Schema $schema): void
{
$this->getRefererColumn($schema)->setLength(256);
}
/**
* @throws SchemaException
*/
private function getRefererColumn(Schema $schema): Column
{
return $schema->getTable('visits')->getColumn('referer');
}
}

View file

@ -5,6 +5,7 @@ namespace Shlinkio\Shlink\Core;
use Doctrine\DBAL\Types\Type;
use Doctrine\ORM\Mapping\Builder\ClassMetadataBuilder;
use Doctrine\ORM\Mapping\ClassMetadata; // @codingStandardsIgnoreLine
use Shlinkio\Shlink\Common\Doctrine\Type\ChronosDateTimeType;
/** @var $metadata ClassMetadata */

View file

@ -5,6 +5,7 @@ namespace Shlinkio\Shlink\Core;
use Doctrine\DBAL\Types\Type;
use Doctrine\ORM\Mapping\Builder\ClassMetadataBuilder;
use Doctrine\ORM\Mapping\ClassMetadata; // @codingStandardsIgnoreLine
/** @var $metadata ClassMetadata */
$builder = new ClassMetadataBuilder($metadata);

View file

@ -5,7 +5,9 @@ namespace Shlinkio\Shlink\Core;
use Doctrine\DBAL\Types\Type;
use Doctrine\ORM\Mapping\Builder\ClassMetadataBuilder;
use Doctrine\ORM\Mapping\ClassMetadata; // @codingStandardsIgnoreLine
use Shlinkio\Shlink\Common\Doctrine\Type\ChronosDateTimeType;
use Shlinkio\Shlink\Core\Model\Visitor;
/** @var $metadata ClassMetadata */
$builder = new ClassMetadataBuilder($metadata);
@ -22,7 +24,7 @@ $builder->createField('id', Type::BIGINT)
$builder->createField('referer', Type::STRING)
->nullable()
->length(256)
->length(Visitor::REFERER_MAX_LENGTH)
->build();
$builder->createField('date', ChronosDateTimeType::CHRONOS_DATETIME)
@ -31,13 +33,13 @@ $builder->createField('date', ChronosDateTimeType::CHRONOS_DATETIME)
$builder->createField('remoteAddr', Type::STRING)
->columnName('remote_addr')
->length(256)
->length(Visitor::REMOTE_ADDRESS_MAX_LENGTH)
->nullable()
->build();
$builder->createField('userAgent', Type::STRING)
->columnName('user_agent')
->length(512)
->length(Visitor::USER_AGENT_MAX_LENGTH)
->nullable()
->build();

View file

@ -5,6 +5,7 @@ namespace Shlinkio\Shlink\Core;
use Doctrine\DBAL\Types\Type;
use Doctrine\ORM\Mapping\Builder\ClassMetadataBuilder;
use Doctrine\ORM\Mapping\ClassMetadata; // @codingStandardsIgnoreLine
/** @var $metadata ClassMetadata */
$builder = new ClassMetadataBuilder($metadata);

View file

@ -6,8 +6,14 @@ namespace Shlinkio\Shlink\Core\Model;
use Psr\Http\Message\ServerRequestInterface;
use Shlinkio\Shlink\Common\Middleware\IpAddressMiddlewareFactory;
use function substr;
final class Visitor
{
public const USER_AGENT_MAX_LENGTH = 512;
public const REFERER_MAX_LENGTH = 1024;
public const REMOTE_ADDRESS_MAX_LENGTH = 256;
/** @var string */
private $userAgent;
/** @var string */
@ -17,9 +23,14 @@ final class Visitor
public function __construct(string $userAgent, string $referer, ?string $remoteAddress)
{
$this->userAgent = $userAgent;
$this->referer = $referer;
$this->remoteAddress = $remoteAddress;
$this->userAgent = $this->cropToLength($userAgent, self::USER_AGENT_MAX_LENGTH);
$this->referer = $this->cropToLength($referer, self::REFERER_MAX_LENGTH);
$this->remoteAddress = $this->cropToLength($remoteAddress, self::REMOTE_ADDRESS_MAX_LENGTH);
}
private function cropToLength(?string $value, int $length): ?string
{
return $value === null ? null : substr($value, 0, $length);
}
public static function fromRequest(ServerRequestInterface $request): self

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@ -0,0 +1,62 @@
<?php
declare(strict_types=1);
namespace ShlinkioTest\Shlink\Core\Model;
use PHPUnit\Framework\TestCase;
use Shlinkio\Shlink\Common\Util\StringUtilsTrait;
use Shlinkio\Shlink\Core\Model\Visitor;
use function str_repeat;
use function substr;
class VisitorTest extends TestCase
{
use StringUtilsTrait;
/**
* @test
* @dataProvider provideParams
*/
public function providedFieldsValuesAreCropped(array $params, array $expected): void
{
$visitor = new Visitor(...$params);
['userAgent' => $userAgent, 'referer' => $referer, 'remoteAddress' => $remoteAddress] = $expected;
$this->assertEquals($userAgent, $visitor->getUserAgent());
$this->assertEquals($referer, $visitor->getReferer());
$this->assertEquals($remoteAddress, $visitor->getRemoteAddress());
}
public function provideParams(): iterable
{
yield 'all values are bigger' => [
[str_repeat('a', 1000), str_repeat('b', 2000), str_repeat('c', 500)],
[
'userAgent' => str_repeat('a', Visitor::USER_AGENT_MAX_LENGTH),
'referer' => str_repeat('b', Visitor::REFERER_MAX_LENGTH),
'remoteAddress' => str_repeat('c', Visitor::REMOTE_ADDRESS_MAX_LENGTH),
],
];
yield 'some values are smaller' => [
[str_repeat('a', 10), str_repeat('b', 2000), null],
[
'userAgent' => str_repeat('a', 10),
'referer' => str_repeat('b', Visitor::REFERER_MAX_LENGTH),
'remoteAddress' => null,
],
];
yield 'random strings' => [
[
$userAgent = $this->generateRandomString(2000),
$referer = $this->generateRandomString(50),
null,
],
[
'userAgent' => substr($userAgent, 0, Visitor::USER_AGENT_MAX_LENGTH),
'referer' => $referer,
'remoteAddress' => null,
],
];
}
}