import os
import shutil
import unittest

from unit.applications.lang.php import TestApplicationPHP

class TestPHPApplication(TestApplicationPHP):
    prerequisites = {'modules': {'php': 'all'}}

    def before_disable_functions(self):
        body = self.get()['body']

        self.assertRegex(body, r'time: \d+', 'disable_functions before time')
        self.assertRegex(body, r'exec: \/\w+', 'disable_functions before exec')

    def set_opcache(self, app, val):
        self.assertIn(
            'success',
            self.conf(
                {
                    "admin": {
                        "opcache.enable": val,
                        "opcache.enable_cli": val,
                    },
                },
                'applications/' + app + '/options',
            ),
        )

        opcache = self.get()['headers']['X-OPcache']

        if not opcache or opcache == '-1':
            print('opcache is not supported')
            raise unittest.SkipTest()

        self.assertEqual(opcache, val, 'opcache value')

    def test_php_application_variables(self):
        self.load('variables')

        body = 'Test body string.'

        resp = self.post(
            headers={
                'Host': 'localhost',
                'Content-Type': 'text/html',
                'Custom-Header': 'blah',
                'Connection': 'close',
            },
            body=body,
            url='/index.php/blah?var=val'
        )

        self.assertEqual(resp['status'], 200, 'status')
        headers = resp['headers']
        header_server = headers.pop('Server')
        self.assertRegex(header_server, r'Unit/[\d\.]+', 'server header')
        self.assertEqual(
            headers.pop('Server-Software'),
            header_server,
            'server software header',
        )

        date = headers.pop('Date')
        self.assertEqual(date[-4:], ' GMT', 'date header timezone')
        self.assertLess(
            abs(self.date_to_sec_epoch(date) - self.sec_epoch()),
            5,
            'date header',
        )

        if 'X-Powered-By' in headers:
            headers.pop('X-Powered-By')

        headers.pop('Content-type')
        self.assertDictEqual(
            headers,
            {
                'Connection': 'close',
                'Content-Length': str(len(body)),
                'Request-Method': 'POST',
                'Path-Info': '/blah',
                'Request-Uri': '/index.php/blah?var=val',
                'Http-Host': 'localhost',
                'Server-Protocol': 'HTTP/1.1',
                'Custom-Header': 'blah',
            },
            'headers',
        )
        self.assertEqual(resp['body'], body, 'body')

    def test_php_application_query_string(self):
        self.load('query_string')

        resp = self.get(url='/?var1=val1&var2=val2')

        self.assertEqual(
            resp['headers']['Query-String'],
            'var1=val1&var2=val2',
            'query string',
        )

    def test_php_application_query_string_empty(self):
        self.load('query_string')

        resp = self.get(url='/?')

        self.assertEqual(resp['status'], 200, 'query string empty status')
        self.assertEqual(
            resp['headers']['Query-String'], '', 'query string empty'
        )

    def test_php_application_query_string_absent(self):
        self.load('query_string')

        resp = self.get()

        self.assertEqual(resp['status'], 200, 'query string absent status')
        self.assertEqual(
            resp['headers']['Query-String'], '', 'query string absent'
        )

    def test_php_application_phpinfo(self):
        self.load('phpinfo')

        resp = self.get()

        self.assertEqual(resp['status'], 200, 'status')
        self.assertNotEqual(resp['body'], '', 'body not empty')

    def test_php_application_header_status(self):
        self.load('header')

        self.assertEqual(
            self.get(
                headers={
                    'Host': 'localhost',
                    'Connection': 'close',
                    'X-Header': 'HTTP/1.1 404 Not Found',
                }
            )['status'],
            404,
            'status',
        )

        self.assertEqual(
            self.get(
                headers={
                    'Host': 'localhost',
                    'Connection': 'close',
                    'X-Header': 'http/1.1 404 Not Found',
                }
            )['status'],
            404,
            'status case insensitive',
        )

        self.assertEqual(
            self.get(
                headers={
                    'Host': 'localhost',
                    'Connection': 'close',
                    'X-Header': 'HTTP/ 404 Not Found',
                }
            )['status'],
            404,
            'status version empty',
        )


    def test_php_application_404(self):
        self.load('404')

        resp = self.get()

        self.assertEqual(resp['status'], 404, '404 status')
        self.assertRegex(
            resp['body'], r'<title>404 Not Found</title>', '404 body'
        )

    def test_php_application_keepalive_body(self):
        self.load('mirror')

        self.assertEqual(self.get()['status'], 200, 'init')

        body = '0123456789' * 500
        (resp, sock) = self.post(
            headers={
                'Host': 'localhost',
                'Connection': 'keep-alive',
                'Content-Type': 'text/html',
            },
            start=True,
            body=body,
            read_timeout=1,
        )

        self.assertEqual(resp['body'], body, 'keep-alive 1')

        body = '0123456789'
        resp = self.post(
            headers={
                'Host': 'localhost',
                'Connection': 'close',
                'Content-Type': 'text/html',
            },
            sock=sock,
            body=body,
        )

        self.assertEqual(resp['body'], body, 'keep-alive 2')

    def test_php_application_conditional(self):
        self.load('conditional')

        self.assertRegex(self.get()['body'], r'True', 'conditional true')
        self.assertRegex(self.post()['body'], r'False', 'conditional false')

    def test_php_application_get_variables(self):
        self.load('get_variables')

        resp = self.get(url='/?var1=val1&var2=&var3')
        self.assertEqual(resp['headers']['X-Var-1'], 'val1', 'GET variables')
        self.assertEqual(resp['headers']['X-Var-2'], '1', 'GET variables 2')
        self.assertEqual(resp['headers']['X-Var-3'], '1', 'GET variables 3')
        self.assertEqual(resp['headers']['X-Var-4'], '', 'GET variables 4')

    def test_php_application_post_variables(self):
        self.load('post_variables')

        resp = self.post(
            headers={
                'Content-Type': 'application/x-www-form-urlencoded',
                'Host': 'localhost',
                'Connection': 'close',
            },
            body='var1=val1&var2=',
        )
        self.assertEqual(resp['headers']['X-Var-1'], 'val1', 'POST variables')
        self.assertEqual(resp['headers']['X-Var-2'], '1', 'POST variables 2')
        self.assertEqual(resp['headers']['X-Var-3'], '', 'POST variables 3')

    def test_php_application_cookies(self):
        self.load('cookies')

        resp = self.get(
            headers={
                'Cookie': 'var=val; var2=val2',
                'Host': 'localhost',
                'Connection': 'close',
            }
        )

        self.assertEqual(resp['headers']['X-Cookie-1'], 'val', 'cookie')
        self.assertEqual(resp['headers']['X-Cookie-2'], 'val2', 'cookie')

    def test_php_application_ini_precision(self):
        self.load('ini_precision')

        self.assertNotEqual(
            self.get()['headers']['X-Precision'], '4', 'ini value default'
        )

        self.conf(
            {"file": "ini/php.ini"}, 'applications/ini_precision/options'
        )

        self.assertEqual(
            self.get()['headers']['X-File'],
            self.current_dir + '/php/ini_precision/ini/php.ini',
            'ini file',
        )
        self.assertEqual(
            self.get()['headers']['X-Precision'], '4', 'ini value'
        )

    @unittest.skip('not yet')
    def test_php_application_ini_admin_user(self):
        self.load('ini_precision')

        self.assertIn(
            'error',
            self.conf(
                {"user": {"precision": "4"}, "admin": {"precision": "5"}},
                'applications/ini_precision/options',
            ),
            'ini admin user',
        )

    def test_php_application_ini_admin(self):
        self.load('ini_precision')

        self.conf(
            {"file": "php.ini", "admin": {"precision": "5"}},
            'applications/ini_precision/options',
        )

        self.assertEqual(
            self.get()['headers']['X-Precision'], '5', 'ini value admin'
        )

    def test_php_application_ini_user(self):
        self.load('ini_precision')

        self.conf(
            {"file": "php.ini", "user": {"precision": "5"}},
            'applications/ini_precision/options',
        )

        self.assertEqual(
            self.get()['headers']['X-Precision'], '5', 'ini value user'
        )

    def test_php_application_ini_user_2(self):
        self.load('ini_precision')

        self.conf(
            {"file": "ini/php.ini"}, 'applications/ini_precision/options'
        )

        self.assertEqual(
            self.get()['headers']['X-Precision'], '4', 'ini user file'
        )

        self.conf(
            {"precision": "5"}, 'applications/ini_precision/options/user'
        )

        self.assertEqual(
            self.get()['headers']['X-Precision'], '5', 'ini value user'
        )

    def test_php_application_ini_set_admin(self):
        self.load('ini_precision')

        self.conf(
            {"admin": {"precision": "5"}}, 'applications/ini_precision/options'
        )

        self.assertEqual(
            self.get(url='/?precision=6')['headers']['X-Precision'],
            '5',
            'ini set admin',
        )

    def test_php_application_ini_set_user(self):
        self.load('ini_precision')

        self.conf(
            {"user": {"precision": "5"}}, 'applications/ini_precision/options'
        )

        self.assertEqual(
            self.get(url='/?precision=6')['headers']['X-Precision'],
            '6',
            'ini set user',
        )

    def test_php_application_ini_repeat(self):
        self.load('ini_precision')

        self.conf(
            {"user": {"precision": "5"}}, 'applications/ini_precision/options'
        )

        self.assertEqual(
            self.get()['headers']['X-Precision'], '5', 'ini value'
        )

        self.assertEqual(
            self.get()['headers']['X-Precision'], '5', 'ini value repeat'
        )

    def test_php_application_disable_functions_exec(self):
        self.load('time_exec')

        self.before_disable_functions()

        self.conf(
            {"admin": {"disable_functions": "exec"}},
            'applications/time_exec/options',
        )

        body = self.get()['body']

        self.assertRegex(body, r'time: \d+', 'disable_functions time')
        self.assertNotRegex(body, r'exec: \/\w+', 'disable_functions exec')

    def test_php_application_disable_functions_comma(self):
        self.load('time_exec')

        self.before_disable_functions()

        self.conf(
            {"admin": {"disable_functions": "exec,time"}},
            'applications/time_exec/options',
        )

        body = self.get()['body']

        self.assertNotRegex(body, r'time: \d+', 'disable_functions comma time')
        self.assertNotRegex(
            body, r'exec: \/\w+', 'disable_functions comma exec'
        )

    def test_php_application_disable_functions_space(self):
        self.load('time_exec')

        self.before_disable_functions()

        self.conf(
            {"admin": {"disable_functions": "exec time"}},
            'applications/time_exec/options',
        )

        body = self.get()['body']

        self.assertNotRegex(body, r'time: \d+', 'disable_functions space time')
        self.assertNotRegex(
            body, r'exec: \/\w+', 'disable_functions space exec'
        )

    def test_php_application_disable_functions_user(self):
        self.load('time_exec')

        self.before_disable_functions()

        self.conf(
            {"user": {"disable_functions": "exec"}},
            'applications/time_exec/options',
        )

        body = self.get()['body']

        self.assertRegex(body, r'time: \d+', 'disable_functions user time')
        self.assertNotRegex(
            body, r'exec: \/\w+', 'disable_functions user exec'
        )

    def test_php_application_disable_functions_nonexistent(self):
        self.load('time_exec')

        self.before_disable_functions()

        self.conf(
            {"admin": {"disable_functions": "blah"}},
            'applications/time_exec/options',
        )

        body = self.get()['body']

        self.assertRegex(
            body, r'time: \d+', 'disable_functions nonexistent time'
        )
        self.assertRegex(
            body, r'exec: \/\w+', 'disable_functions nonexistent exec'
        )

    def test_php_application_disable_classes(self):
        self.load('date_time')

        self.assertRegex(
            self.get()['body'], r'012345', 'disable_classes before'
        )

        self.conf(
            {"admin": {"disable_classes": "DateTime"}},
            'applications/date_time/options',
        )

        self.assertNotRegex(
            self.get()['body'], r'012345', 'disable_classes before'
        )

    def test_php_application_disable_classes_user(self):
        self.load('date_time')

        self.assertRegex(
            self.get()['body'], r'012345', 'disable_classes before'
        )

        self.conf(
            {"user": {"disable_classes": "DateTime"}},
            'applications/date_time/options',
        )

        self.assertNotRegex(
            self.get()['body'], r'012345', 'disable_classes before'
        )

    def test_php_application_script(self):
        self.assertIn(
            'success',
            self.conf(
                {
                    "listeners": {"*:7080": {"pass": "applications/script"}},
                    "applications": {
                        "script": {
                            "type": "php",
                            "processes": {"spare": 0},
                            "root": self.current_dir + "/php/script",
                            "script": "phpinfo.php",
                        }
                    },
                }
            ),
            'configure script',
        )

        resp = self.get()

        self.assertEqual(resp['status'], 200, 'status')
        self.assertNotEqual(resp['body'], '', 'body not empty')

    def test_php_application_index_default(self):
        self.assertIn(
            'success',
            self.conf(
                {
                    "listeners": {"*:7080": {"pass": "applications/phpinfo"}},
                    "applications": {
                        "phpinfo": {
                            "type": "php",
                            "processes": {"spare": 0},
                            "root": self.current_dir + "/php/phpinfo",
                        }
                    },
                }
            ),
            'configure index default',
        )

        resp = self.get()

        self.assertEqual(resp['status'], 200, 'status')
        self.assertNotEqual(resp['body'], '', 'body not empty')

    def test_php_application_extension_check(self):
        self.load('phpinfo')

        self.assertNotEqual(
            self.get(url='/index.wrong')['status'], 200, 'status'
        )

        new_root = self.testdir + "/php"
        os.mkdir(new_root)
        shutil.copy(self.current_dir + '/php/phpinfo/index.wrong', new_root)

        self.assertIn(
            'success',
            self.conf(
                {
                    "listeners": {"*:7080": {"pass": "applications/phpinfo"}},
                    "applications": {
                        "phpinfo": {
                            "type": "php",
                            "processes": {"spare": 0},
                            "root": new_root,
                            "working_directory": new_root,
                        }
                    },
                }
            ),
            'configure new root',
        )

        resp = self.get()
        self.assertNotEqual(
            str(resp['status']) + resp['body'], '200', 'status new root'
        )

    def run_php_application_cwd_root_tests(self):
        self.assertIn(
            'success', self.conf_delete('applications/cwd/working_directory')
        )

        script_cwd = self.current_dir + '/php/cwd'

        resp = self.get()
        self.assertEqual(resp['status'], 200, 'status ok')
        self.assertEqual(resp['body'], script_cwd, 'default cwd')

        self.assertIn(
            'success',
            self.conf(
                '"' + self.current_dir + '"',
                'applications/cwd/working_directory',
            ),
        )

        resp = self.get()
        self.assertEqual(resp['status'], 200, 'status ok')
        self.assertEqual(resp['body'], script_cwd, 'wdir cwd')

        resp = self.get(url='/?chdir=/')
        self.assertEqual(resp['status'], 200, 'status ok')
        self.assertEqual(resp['body'], '/', 'cwd after chdir')

        # cwd must be restored

        resp = self.get()
        self.assertEqual(resp['status'], 200, 'status ok')
        self.assertEqual(resp['body'], script_cwd, 'cwd restored')

        resp = self.get(url='/subdir/')
        self.assertEqual(
            resp['body'], script_cwd + '/subdir', 'cwd subdir',
        )

    def test_php_application_cwd_root(self):
        self.load('cwd')
        self.run_php_application_cwd_root_tests()

    def test_php_application_cwd_opcache_disabled(self):
        self.load('cwd')
        self.set_opcache('cwd', '0')
        self.run_php_application_cwd_root_tests()

    def test_php_application_cwd_opcache_enabled(self):
        self.load('cwd')
        self.set_opcache('cwd', '1')
        self.run_php_application_cwd_root_tests()

    def run_php_application_cwd_script_tests(self):
        self.load('cwd')

        script_cwd = self.current_dir + '/php/cwd'

        self.assertIn(
            'success', self.conf_delete('applications/cwd/working_directory')
        )

        self.assertIn(
            'success', self.conf('"index.php"', 'applications/cwd/script')
        )

        self.assertEqual(
            self.get()['body'], script_cwd, 'default cwd',
        )

        self.assertEqual(
            self.get(url='/?chdir=/')['body'], '/', 'cwd after chdir',
        )

        # cwd must be restored
        self.assertEqual(self.get()['body'], script_cwd, 'cwd restored')

    def test_php_application_cwd_script(self):
        self.load('cwd')
        self.run_php_application_cwd_script_tests()

    def test_php_application_cwd_script_opcache_disabled(self):
        self.load('cwd')
        self.set_opcache('cwd', '0')
        self.run_php_application_cwd_script_tests()

    def test_php_application_cwd_script_opcache_enabled(self):
        self.load('cwd')
        self.set_opcache('cwd', '1')
        self.run_php_application_cwd_script_tests()

    def test_php_application_path_relative(self):
        self.load('open')

        self.assertEqual(self.get()['body'], 'test', 'relative path')

        self.assertNotEqual(
            self.get(url='/?chdir=/')['body'], 'test', 'relative path w/ chdir'
        )

        self.assertEqual(self.get()['body'], 'test', 'relative path 2')


if __name__ == '__main__':
    TestPHPApplication.main()
