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SendmailTest.php
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<?php
/**
* @see https://github.com/laminas/laminas-mail for the canonical source repository
* @copyright https://github.com/laminas/laminas-mail/blob/master/COPYRIGHT.md
* @license https://github.com/laminas/laminas-mail/blob/master/LICENSE.md New BSD License
*/
namespace LaminasTest\Mail\Transport;
use Laminas\Mail\Address\AddressInterface;
use Laminas\Mail\AddressList;
use Laminas\Mail\Message;
use Laminas\Mail\Transport\Exception\RuntimeException;
use Laminas\Mail\Transport\Sendmail;
use PHPUnit\Framework\TestCase;
use ReflectionMethod;
use ReflectionProperty;
/**
* @covers Laminas\Mail\Transport\Sendmail<extended>
*/
class SendmailTest extends TestCase
{
public $transport;
public $to;
public $subject;
public $message;
public $additional_headers;
public $additional_parameters;
public $operating_system;
public function setUp()
{
$this->transport = new Sendmail();
$this->transport->setCallable(
function ($to, $subject, $message, $additional_headers, $additional_parameters = null) {
$this->to = $to;
$this->subject = $subject;
$this->message = $message;
$this->additional_headers = $additional_headers;
$this->additional_parameters = $additional_parameters;
}
);
$this->operating_system = strtoupper(substr(PHP_OS, 0, 3));
}
public function tearDown()
{
$this->to = null;
$this->subject = null;
$this->message = null;
$this->additional_headers = null;
$this->additional_parameters = null;
}
public function getMessage()
{
$message = new Message();
->addCc('[email protected]')
->addFrom([
'[email protected]' => 'Matthew',
])
->setSubject('Testing Laminas\Mail\Transport\Sendmail')
->setBody('This is only a test.');
$message->getHeaders()->addHeaders([
'X-Foo-Bar' => 'Matthew',
]);
return $message;
}
private function isWindows()
{
return $this->operating_system === 'WIN';
}
public function testReceivesMailArtifactsOnUnixSystems()
{
if ($this->isWindows()) {
$this->markTestSkipped('This test is *nix-specific');
}
$message = $this->getMessage();
$this->transport->setParameters('-R hdrs');
$this->transport->send($message);
$this->assertEquals('Testing Laminas\Mail\Transport\Sendmail', $this->subject);
$this->assertEquals('This is only a test.', trim($this->message));
$this->assertContains("From: [email protected],\n Matthew <[email protected]>\n", $this->additional_headers);
$this->assertContains("X-Foo-Bar: Matthew\n", $this->additional_headers);
}
public function testReceivesMailArtifactsOnWindowsSystems()
{
if (! $this->isWindows()) {
$this->markTestSkipped('This test is Windows-specific');
}
$message = $this->getMessage();
$this->transport->send($message);
$this->assertEquals('Testing Laminas\Mail\Transport\Sendmail', $this->subject);
$this->assertEquals('This is only a test.', trim($this->message));
$this->assertContains(
"From: [email protected],\r\n Matthew <[email protected]>\r\n",
$this->additional_headers
);
$this->assertContains("X-Foo-Bar: Matthew\r\n", $this->additional_headers);
$this->assertContains("Sender: Ralph Schindler <[email protected]>\r\n", $this->additional_headers);
$this->assertNull($this->additional_parameters);
}
public function testLinesStartingWithFullStopsArePreparedProperlyForWindows()
{
if (! $this->isWindows()) {
$this->markTestSkipped('This test is Windows-specific');
}
$message = $this->getMessage();
$message->setBody("This is the first line.\n. This is the second");
$this->transport->send($message);
$this->assertContains("line.\n.. This", trim($this->message));
}
public function testAssertSubjectEncoded()
{
$message = $this->getMessage();
$message->setEncoding('UTF-8');
$this->transport->send($message);
$this->assertEquals('=?UTF-8?Q?Testing=20Laminas\Mail\Transport\Sendmail?=', $this->subject);
}
public function testCodeInjectionInFromHeader()
{
$this->expectException(RuntimeException::class);
$message = $this->getMessage();
$message->setBody('This is the text of the email.');
$message->setFrom('"AAA\" code injection"@domain', 'Sender\'s name');
$message->addTo('hacker@localhost', 'Name of recipient');
$message->setSubject('TestSubject');
$this->transport->send($message);
}
public function testValidEmailLocaDomainInFromHeader()
{
$message = $this->getMessage();
$message->setBody('This is the text of the email.');
$message->setFrom('"foo-bar"@domain', 'Foo Bar');
$message->addTo('hacker@localhost', 'Name of recipient');
$message->setSubject('TestSubject');
$this->transport->send($message);
$this->assertContains('From: Foo Bar <"foo-bar"@domain>', $this->additional_headers);
}
/**
* @ref CVE-2016-10033 which targeted WordPress
*/
public function testPrepareParametersEscapesSenderUsingEscapeShellArg()
{
// @codingStandardsIgnoreStart
$injectedEmail = 'user@xenial(tmp1 -be ${run{${substr{0}{1}{$spool_directory}}usr${substr{0}{1}{$spool_directory}}bin${substr{0}{1}{$spool_directory}}touch${substr{10}{1}{$tod_log}}${substr{0}{1}{$spool_directory}}tmp${substr{0}{1}{$spool_directory}}test}} tmp2)';
// @codingStandardsIgnoreEnd
$sender = $this->prophesize(AddressInterface::class);
$sender->getEmail()->willReturn($injectedEmail);
$message = $this->prophesize(Message::class);
$message->getSender()->will([$sender, 'reveal']);
$message->getFrom()->shouldNotBeCalled();
$r = new ReflectionMethod($this->transport, 'prepareParameters');
$r->setAccessible(true);
$parameters = $r->invoke($this->transport, $message->reveal());
$this->assertEquals(' -f' . escapeshellarg($injectedEmail), $parameters);
}
/**
* @ref CVE-2016-10033 which targeted WordPress
*/
public function testPrepareParametersEscapesFromAddressUsingEscapeShellArg()
{
// @codingStandardsIgnoreStart
$injectedEmail = 'user@xenial(tmp1 -be ${run{${substr{0}{1}{$spool_directory}}usr${substr{0}{1}{$spool_directory}}bin${substr{0}{1}{$spool_directory}}touch${substr{10}{1}{$tod_log}}${substr{0}{1}{$spool_directory}}tmp${substr{0}{1}{$spool_directory}}test}} tmp2)';
// @codingStandardsIgnoreEnd
$address = $this->prophesize(AddressInterface::class);
$address->getEmail()->willReturn($injectedEmail)->shouldBeCalledTimes(2);
$from = new AddressList();
$from->add($address->reveal());
$message = $this->prophesize(Message::class);
$message->getSender()->willReturn(null);
$message->getFrom()->willReturn($from);
$r = new ReflectionMethod($this->transport, 'prepareParameters');
$r->setAccessible(true);
$parameters = $r->invoke($this->transport, $message->reveal());
$this->assertEquals(' -f' . escapeshellarg($injectedEmail), $parameters);
}
public function testTrimmedParameters()
{
$this->transport->setParameters([' -R', 'hdrs ']);
$r = new ReflectionProperty($this->transport, 'parameters');
$r->setAccessible(true);
$this->assertSame('-R hdrs', $r->getValue($this->transport));
}
public function testAllowMessageWithEmptyToHeaderButHasCcHeader()
{
$message = new Message();
->setSubject('Testing Laminas\Mail\Transport\Sendmail')
->setBody('This is only a test.');
$this->transport->send($message);
}
public function testAllowMessageWithEmptyToHeaderButHasBccHeader()
{
$message = new Message();
->setSubject('Testing Laminas\Mail\Transport\Sendmail')
->setBody('This is only a test.');
$this->transport->send($message);
}
public function testDoNotAllowMessageWithoutToAndCcAndBccHeaders()
{
$message = new Message();
->setSubject('Testing Laminas\Mail\Transport\Sendmail')
->setBody('This is only a test.');
$this->expectException(RuntimeException::class);
$this->transport->send($message);
}
/**
* @see https://github.com/laminas/laminas-mail/issues/19
*/
public function testHeadersToAndSubjectAreNotDuplicated()
{
$message = new Message();
$message
->addTo('[email protected]')
->addFrom('[email protected]')
->setSubject('Greetings and Salutations!')
->setBody("Sorry, I'm going to be late today!");
$this->transport->send($message);
$this->assertEquals('Greetings and Salutations!', $this->subject);
$this->assertNotRegExp('/^To: matthew\@example\.org$/m', $this->additional_headers);
$this->assertNotRegExp('/^Subject: Greetings and Salutations!$/m', $this->additional_headers);
}
}