<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/

class phpbb_request_test extends phpbb_test_case
{
	/** @var \phpbb\request\type_cast_helper_interface */
	private $type_cast_helper;

	/** @var \phpbb\request\request */
	private $request;

	protected function setUp(): void
	{
		// populate super globals
		$_POST['test'] = 1;
		$_GET['test'] = 2;
		$_COOKIE['test'] = 3;
		$_REQUEST['test'] = 3;
		$_GET['unset'] = '';
		$_FILES['test'] = array(
			'name' => 'file',
			'tmp_name' => 'tmp',
			'size' => 256,
			'type' => 'application/octet-stream',
			'error' => UPLOAD_ERR_OK,
		);

		$_SERVER['HTTP_HOST'] = 'example.com';
		$_SERVER['HTTP_ACCEPT'] = 'application/json';
		$_SERVER['HTTP_SOMEVAR'] = '<value>';

		$this->type_cast_helper = $this->createMock('\phpbb\request\type_cast_helper_interface');
		$this->request = new \phpbb\request\request($this->type_cast_helper);
	}

	public function test_toggle_super_globals()
	{
		$this->assertTrue($this->request->super_globals_disabled(), 'Superglobals were not disabled');

		$this->request->enable_super_globals();

		$this->assertFalse($this->request->super_globals_disabled(), 'Superglobals were not enabled');

		$this->assertEquals(1, $_POST['test'], 'Checking $_POST after enable_super_globals');
		$this->assertEquals(2, $_GET['test'], 'Checking $_GET after enable_super_globals');
		$this->assertEquals(3, $_COOKIE['test'], 'Checking $_COOKIE after enable_super_globals');
		$this->assertEquals(3, $_REQUEST['test'], 'Checking $_REQUEST after enable_super_globals');
		$this->assertEquals(256, $_FILES['test']['size']);

		$_POST['x'] = 2;
		$this->assertEquals($_POST, $GLOBALS['_POST'], 'Checking whether $_POST can still be accessed via $GLOBALS[\'_POST\']');
	}

	public function test_server()
	{
		$this->assertEquals('example.com', $this->request->server('HTTP_HOST'));
	}

	public function test_server_escaping()
	{
		$this->type_cast_helper
			->expects($this->once())
			->method('recursive_set_var')
			->with(
				$this->anything(),
				'',
				true
			);

		$this->request->server('HTTP_SOMEVAR');
	}

	public function test_header()
	{
		$this->assertEquals('application/json', $this->request->header('Accept'));
	}

	public function test_header_escaping()
	{
		$this->type_cast_helper
			->expects($this->once())
			->method('recursive_set_var')
			->with(
				$this->anything(),
				'',
				true
			);

		$this->request->header('SOMEVAR');
	}

	public function test_file()
	{
		$file = $this->request->file('test');
		$this->assertEquals('file', $file['name']);
		$this->assertEquals('tmp', $file['tmp_name']);
		$this->assertEquals(256, $file['size']);
		$this->assertEquals('application/octet-stream', $file['type']);
		$this->assertEquals(UPLOAD_ERR_OK, $file['error']);
	}

	public function test_file_not_exists()
	{
		$file = $this->request->file('404');
		$this->assertTrue(is_array($file));
		$this->assertTrue(empty($file));
	}

	/**
	* Checks that directly accessing $_POST will trigger
	* an error.
	*/
	public function test_disable_post_super_global()
	{
		$this->setExpectedTriggerError(E_USER_ERROR);
		$_POST['test'] = 3;
	}

	public function test_is_set_post()
	{
		$this->assertTrue($this->request->is_set_post('test'));
		$this->assertFalse($this->request->is_set_post('unset'));
	}

	public function test_is_ajax_without_ajax()
	{
		$this->assertFalse($this->request->is_ajax());
	}

	public function test_is_ajax_with_ajax()
	{
		$this->request->enable_super_globals();
		$_SERVER['HTTP_X_REQUESTED_WITH'] = 'XMLHttpRequest';
		$this->request = new \phpbb\request\request($this->type_cast_helper);

		$this->assertTrue($this->request->is_ajax());
	}

	public function data_is_secure()
	{
		return array(
			array(
				array(
					'HTTPS' => 'on',
				),
				true,
			),
			array(
				array(
					'HTTPS' => '1',
				),
				true,
			),
			array(
				array(
					'HTTPS' => 'yes',
				),
				true,
			),
			array(
				array(
					'HTTPS' => 1,
				),
				true,
			),
			array(
				array(
					'HTTPS' => 'off',
				),
				false,
			),
			array(
				array(
					'HTTPS' => '0',
				),
				false,
			),
			array(
				array(
					'HTTPS' => 0,
				),
				false,
			),
			array(
				array(
					'HTTPS' => '',
				),
				false,
			),
			array(
				array(
					'HTTPS' => 'off',
					'HTTP_X_FORWARDED_PROTO' => 'https',
				),
				true,
			),
			array(
				array(
					'HTTPS' => 'on',
					'HTTP_X_FORWARDED_PROTO' => 'http',
				),
				true,
			),
			array(
				array(
					'HTTPS' => 'off',
					'HTTP_X_FORWARDED_PROTO' => 'http',
				),
				false,
			),
			array(
				array(
					'HTTP_X_FORWARDED_PROTO' => 'http',
				),
				false,
			),
			array(
				array(
					'HTTP_X_FORWARDED_PROTO' => 'https',
				),
				true,
			),
			array(
				array(
					'HTTPS' => 'on',
					'HTTP_X_FORWARDED_PROTO' => 'http',
				),
				true,
			),
		);
	}

	/**
	 * @dataProvider data_is_secure
	 */
	public function test_is_secure($server_data, $expected)
	{
		$this->assertFalse($this->request->is_secure());

		$this->request->enable_super_globals();
		$_SERVER = $server_data;
		$this->request = new \phpbb\request\request($this->type_cast_helper);

		$this->assertSame($expected, $this->request->is_secure());
	}

	public function test_variable_names()
	{
		$expected = array('test', 'unset');
		$result = $this->request->variable_names();
		$this->assertEquals($expected, $result);
	}

	/**
	* Makes sure super globals work properly after these tests
	*/
	protected function tearDown(): void
	{
		$this->request->enable_super_globals();
	}
}
