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file.php
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<?php
/**
* @group file
*/
class Tests_File extends WP_UnitTestCase {
function setUp() {
parent::setUp();
$file = tempnam( '/tmp', 'foo' );
$this->dir = dirname( $file );
unlink( $file );
$this->badchars = '"\'[]*&?$';
}
/**
* @group plugins
* @group themes
*/
function test_get_file_data() {
$theme_headers = array(
'Name' => 'Theme Name',
'ThemeURI' => 'Theme URI',
'Description' => 'Description',
'Version' => 'Version',
'Author' => 'Author',
'AuthorURI' => 'Author URI',
);
$actual = get_file_data( DIR_TESTDATA . '/themedir1/default/style.css', $theme_headers );
$expected = array(
'Name' => 'WordPress Default',
'ThemeURI' => 'http://wordpress.org/',
'Description' => 'The default WordPress theme based on the famous <a href="http://binarybonsai.com/kubrick/">Kubrick</a>.',
'Version' => '1.6',
'Author' => 'Michael Heilemann',
'AuthorURI' => 'http://binarybonsai.com/',
);
foreach ( $actual as $header => $value ) {
$this->assertEquals( $expected[ $header ], $value, $header );
}
}
/**
* @group plugins
* @group themes
*/
function test_get_file_data_cr_line_endings() {
$headers = array(
'SomeHeader' => 'Some Header',
'Description' => 'Description',
'Author' => 'Author',
);
$actual = get_file_data( DIR_TESTDATA . '/formatting/cr-line-endings-file-header.php', $headers );
$expected = array(
'SomeHeader' => 'Some header value!',
'Description' => 'This file is using CR line endings for a testcase.',
'Author' => 'A Very Old Mac',
);
foreach ( $actual as $header => $value ) {
$this->assertEquals( $expected[ $header ], $value, $header );
}
}
function is_unique_writable_file( $path, $filename ) {
$fullpath = $path . DIRECTORY_SEPARATOR . $filename;
$fp = fopen( $fullpath, 'x' );
// file already exists?
if ( ! $fp ) {
return false;
}
// write some random contents
$c = rand_str();
fwrite( $fp, $c );
fclose( $fp );
if ( file_get_contents( $fullpath ) === $c ) {
$result = true;
} else {
$result = false;
}
return $result;
}
function test_unique_filename_is_valid() {
// make sure it produces a valid, writable, unique filename
$filename = wp_unique_filename( $this->dir, __FUNCTION__ . '.txt' );
$this->assertTrue( $this->is_unique_writable_file( $this->dir, $filename ) );
unlink( $this->dir . DIRECTORY_SEPARATOR . $filename );
}
function test_unique_filename_is_unique() {
// make sure it produces two unique filenames
$name = __FUNCTION__;
$filename1 = wp_unique_filename( $this->dir, $name . '.txt' );
$this->assertTrue( $this->is_unique_writable_file( $this->dir, $filename1 ) );
$filename2 = wp_unique_filename( $this->dir, $name . '.txt' );
$this->assertTrue( $this->is_unique_writable_file( $this->dir, $filename2 ) );
// the two should be different
$this->assertNotEquals( $filename1, $filename2 );
unlink( $this->dir . DIRECTORY_SEPARATOR . $filename1 );
unlink( $this->dir . DIRECTORY_SEPARATOR . $filename2 );
}
function test_unique_filename_is_sanitized() {
$name = __FUNCTION__;
$filename = wp_unique_filename( $this->dir, $name . $this->badchars . '.txt' );
// make sure the bad characters were all stripped out
$this->assertEquals( $name . '.txt', $filename );
$this->assertTrue( $this->is_unique_writable_file( $this->dir, $filename ) );
unlink( $this->dir . DIRECTORY_SEPARATOR . $filename );
}
function test_unique_filename_with_slashes() {
$name = __FUNCTION__;
// "foo/foo.txt"
$filename = wp_unique_filename( $this->dir, $name . '/' . $name . '.txt' );
// the slash should be removed, i.e. "foofoo.txt"
$this->assertEquals( $name . $name . '.txt', $filename );
$this->assertTrue( $this->is_unique_writable_file( $this->dir, $filename ) );
unlink( $this->dir . DIRECTORY_SEPARATOR . $filename );
}
function test_unique_filename_multiple_ext() {
$name = __FUNCTION__;
$filename = wp_unique_filename( $this->dir, $name . '.php.txt' );
// "foo.php.txt" becomes "foo.php_.txt"
$this->assertEquals( $name . '.php_.txt', $filename );
$this->assertTrue( $this->is_unique_writable_file( $this->dir, $filename ) );
unlink( $this->dir . DIRECTORY_SEPARATOR . $filename );
}
function test_unique_filename_no_ext() {
$name = __FUNCTION__;
$filename = wp_unique_filename( $this->dir, $name );
$this->assertEquals( $name, $filename );
$this->assertTrue( $this->is_unique_writable_file( $this->dir, $filename ) );
unlink( $this->dir . DIRECTORY_SEPARATOR . $filename );
}
/**
* @dataProvider data_wp_tempnam_filenames
*/
function test_wp_tempnam( $case ) {
$file = wp_tempnam( $case );
unlink( $file );
$this->assertNotEmpty( basename( basename( $file, '.tmp' ), '.zip' ) );
}
function data_wp_tempnam_filenames() {
return array(
array( '0.zip' ),
array( '0.1.2.3.zip' ),
array( 'filename.zip' ),
array( 'directory/0.zip' ),
array( 'directory/filename.zip' ),
array( 'directory/0/0.zip' ),
);
}
/**
* @ticket 47186
*/
function test_file_signature_functions_as_expected() {
$file = wp_tempnam();
file_put_contents( $file, 'WordPress' );
// The signature of 'WordPress' after SHA384 hashing, for verification against the key within self::filter_trust_plus85Tq_key().
$expected_signature = 'PmNv0b1ziwJAsVhjdpjd4+PQZidZWSlBm5b+GbbwE9m9HVKDFhEyvyRTHkRYOLypB8P2YvbW7CoOMZqGh8mEAA==';
add_filter( 'wp_trusted_keys', array( $this, 'filter_trust_plus85Tq_key' ) );
// Measure how long the call takes.
$timer_start = microtime( 1 );
$verify = verify_file_signature( $file, $expected_signature, 'WordPress' );
$timer_end = microtime( 1 );
$time_taken = ( $timer_end - $timer_start );
unlink( $file );
remove_filter( 'wp_trusted_keys', array( $this, 'filter_trust_plus85Tq_key' ) );
// verify_file_signature() should intentionally never take more than 10s to run.
$this->assertLessThan( 10, $time_taken, 'verify_file_signature() took longer than 10 seconds.' );
// Check to see if the system parameters prevent signature verifications.
if ( is_wp_error( $verify ) && 'signature_verification_unsupported' == $verify->get_error_code() ) {
$this->markTestSkipped( 'This system does not support Signature Verification.' );
}
$this->assertNotWPError( $verify );
$this->assertTrue( $verify );
}
/**
* @ticket 47186
*/
function test_file_signature_expected_failure() {
$file = wp_tempnam();
file_put_contents( $file, 'WordPress' );
// Test an invalid signature.
$expected_signature = base64_encode( str_repeat( 'A', SODIUM_CRYPTO_SIGN_PUBLICKEYBYTES ) );
$verify = verify_file_signature( $file, $expected_signature, 'WordPress' );
unlink( $file );
if ( is_wp_error( $verify ) && 'signature_verification_unsupported' == $verify->get_error_code() ) {
$this->markTestSkipped( 'This system does not support Signature Verification.' );
}
$this->assertWPError( $verify );
$this->assertEquals( 'signature_verification_failed', $verify->get_error_code() );
}
function filter_trust_plus85Tq_key( $keys ) {
// A static once-off key used to verify verify_file_signature() works as expected.
$keys[] = '+85TqMhxQVAYVW4BSCVkJQvZH4q7z8I9lePbvngvf7A=';
return $keys;
}
}