preferences_password::generateQRCode() - Code Metrics - EGroupware/egroupware - Measure and Improve Code Quality continuously with Scrutinizer

preferences_password::generateQRCode() B
last analyzed 2020-03-04 21:49 UTC

↳ Parent: preferences_password

Complexity

Conditions	11
Paths	32

Size

Total Lines	33
Code Lines	20

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	11
eloc	20
nc	32
nop	2
dl	0
loc	33
rs	7.3166
c	0
b	0
f	0

How to fix Complexity

<?php
/**
 * EGroupware preferences: Security and passwords
 *
 * @package preferences
 * @link http://www.egroupware.org
 * @author Joseph Engo <[email protected]>
 * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
 */

use EGroupware\Api;
use EGroupware\Api\Framework;
use EGroupware\Api\Etemplate;
use PragmaRX\Google2FAQRCode\Google2FA;
use EGroupware\Api\Mail\Credentials;

/**
 * Security and passwords
 *
 * Other apps can add tabs to this popup by implementing the "preferences_security" hook
 * like eg. the OpenID App does to allow users to revoke tokens.
 */
class preferences_password
{
	var $public_functions = array(
		'change' => True
	);
	const GAUTH_ANDROID = 'https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2';
	const GAUTH_IOS = 'https://appstore.com/googleauthenticator';

	/**
	 * Change password, two factor auth or revoke tokens
	 *
	 * @param type $content
	 */
	function change($content = null)
	{
		$GLOBALS['egw_info']['flags']['app_header'] = lang('Security & Password');
		$tmpl = new Etemplate('preferences.password');

		$readonlys = $sel_options = [];
		try {
			// PHP 7.1+: using SVG image backend (requiring XMLWriter) and not ImageMagic extension
			if (class_exists('BaconQrCode\Renderer\Image\SvgImageBackEnd'))
			{
				$image_backend = new \BaconQrCode\Renderer\Image\SvgImageBackEnd;
filter:
    dependency_paths: ["lib/*"]
			}
			$google2fa = new Google2FA($image_backend);
			$prefs = new Api\Preferences($GLOBALS['egw_info']['user']['account_id']);
			$prefs->read_repository();

			if (!is_array($content))

			{
				$content = [];
				$content['2fa'] = $this->generateQRCode($google2fa)+[
					'gauth_android' => self::GAUTH_ANDROID,
					'gauth_ios' => self::GAUTH_IOS,
				];
			}
			else
			{
				$secret_key = $content['2fa']['secret_key'];
				unset($content['2fa']['secret_key']);

				// check user password for everything but password change, where it will be checked anyway
				$auth = new Api\Auth();
				if ($content['tabs'] !== 'change_password' &&
					!$auth->authenticate($GLOBALS['egw_info']['user']['account_lid'], $content['password']))
				{
					$tmpl->set_validation_error('password', lang('Password is invalid'));
				}
				else
				{
					switch($content['tabs'])
					{
						case 'change_password':
							if (!$GLOBALS['egw']->acl->check('nopasswordchange', 1) && $content['button']['save'])
							{
								if (($errors = self::do_change($content['password'], $content['n_passwd'], $content['n_passwd_2'])))
								{
									Framework::message(implode("\n", $errors), 'error');
								}
								else
								{
									Framework::refresh_opener(lang('Password changed'), 'preferences');
									Framework::window_close();
								}
							}
							break;

						case 'two_factor_auth':
							switch(key($content['2fa']['action']))
							{
								case 'show':
									$content['2fa'] = $this->generateQRCode($google2fa, false);
									break;
								case 'reset':
									$content['2fa'] = $this->generateQRCode($google2fa, true);
									Framework::message(lang('New secret generated, you need to save it to disable the old one!'));
									break;
								case 'disable':
									if (Credentials::delete(0, $GLOBALS['egw_info']['user']['account_id'], Credentials::TWOFA))
									{
										Framework::refresh_opener(lang('Secret deleted, two factor authentication disabled.'), 'preferences');
										Framework::window_close();
									}
									else
									{
										Framework::message(lang('Failed to delete secret!'), 'error');
									}
									break;
								default:	// no action, save secret
									if (!$google2fa->verifyKey($secret_key, $content['2fa']['code']))
									{
										$tmpl->set_validation_error('code', lang('Code is invalid'), '2fa');
										break 2;
									}
									if (($content['2fa']['cred_id'] = Credentials::write(0,
										$GLOBALS['egw_info']['user']['account_lid'],
										$secret_key, Credentials::TWOFA,
										$GLOBALS['egw_info']['user']['account_id'],
										$content['2fa']['cred_id'])))
									{
										Framework::refresh_opener(lang('Two Factor Auth enabled.'), 'preferences');
										Framework::window_close();
									}
									else
									{
										Framework::message(lang('Failed to store secret!'), 'error');
									}
									break;
							}
							unset($content['2fa']['action']);
							break;

						default:
							// for other tabs call their save_callback (user password is already checked!)
							if (!empty($content['save_callbacks'][$content['tabs']]) &&
								($msg = call_user_func_array($content['save_callbacks'][$content['tabs']], [&$content])))
							{
								Framework::message($msg, 'success');
							}
							break;
					}
				}
			}
		}
		catch (Exception $e) {
			Framework::message($e->getMessage(), 'error');
		}

		// disable 2FA tab, if admin disabled it
		if ($GLOBALS['egw_info']['server']['2fa_required'] === 'disabled')
		{
			$readonlys['tabs']['two_factor_auth'] = true;
		}

		// disable password change, if user has not right to change it
		if ($GLOBALS['egw']->acl->check('nopasswordchange', 1))
		{
			$readonlys['tabs']['change_password'] = true;
		}

		$preserve = [
			'2fa' => $content['2fa']+[
				'secret_key' => $secret_key,
			]
		];

		$tmpl->setElementAttribute('tabs', 'add_tabs', true);
		$tabs =& $tmpl->getElementAttribute('tabs', 'tabs');
		if (($first_call = !isset($tabs)))
		{
			$tabs = array();
		}
		// register hooks, if openid is available, but new hook not yet registered (should be removed after 19.1)
		if (!empty($GLOBALS['egw_info']['apps']['openid']) && !Api\Hooks::implemented('preferences_security'))
		{
			Api\Hooks::read(true);
		}
		$hook_data = Api\Hooks::process(array('location' => 'preferences_security')+$content, ['openid'], true);
		foreach($hook_data as $extra_tabs)
		{
			if (!$extra_tabs) continue;

			foreach(isset($extra_tabs[0]) ? $extra_tabs : [$extra_tabs] as $extra_tab)
			{
				if (!empty($extra_tab['data']) && is_array($extra_tab['data']))
				{
					$content = array_merge($content, $extra_tab['data']);
				}
				if (!empty($extra_tab['preserve']) && is_array($extra_tab['preserve']))
				{
					$preserve = array_merge($preserve, $extra_tab['preserve']);
				}
				if (!empty($extra_tab['sel_options']) && is_array($extra_tab['sel_options']))
				{
					$sel_options = array_merge($sel_options, $extra_tab['sel_options']);
				}
				if (!empty($extra_tab['readonlys']) && is_array($extra_tab['readonlys']))
				{
					$readonlys = array_merge($readonlys, $extra_tab['readonlys']);
				}
				if (!empty($extra_tab['save_callback']))
				{
					$preserve['save_callbacks'][$extra_tab['name']] = $extra_tab['save_callback'];
				}
				// we must NOT add tabs more then once!
				if ($first_call && !empty($extra_tab['label']) && !empty($extra_tab['name']))
				{
					$tabs[] = array(
						'label' =>	$extra_tab['label'],
						'template' =>	$extra_tab['name'],
						'prepend' => $extra_tab['prepend'],
					);
				}
				//error_log(__METHOD__."() changed tabs=".array2string($tabs));
			}
		}

		$tmpl->exec('preferences.preferences_password.change', $content, $sel_options, $readonlys, $preserve, 2);
	}

	/**
	 * Generate QRCode and optional new secret
	 *
	 * @param Google2FA $google2fa
	 * @param boolean|null $generate =null null: generate new qrCode/secret, if none exists
	 *  true: allways generate new qrCode (to reset existing one)
	 *  false: use existing secret, but generate qrCode
	 * @return array with keys "qrc" and "cred_id"
	 */
	protected function generateQRCode(Google2FA $google2fa, $generate=null)
	{
		$creds = Credentials::read(0, Credentials::TWOFA, $GLOBALS['egw_info']['user']['account_id']);

		if (!$generate && $creds && strlen($creds['2fa_password']) >= 16)
$a = canBeFalseAndNull();

// Instead of
if ( ! $a) { }

// Better use one of the explicit versions:
if ($a !== null) { }
if ($a !== false) { }
if ($a !== null && $a !== false) { }
		{
			$secret_key = $creds['2fa_password'];
		}
		else
		{
			$secret_key = $google2fa->generateSecretKey();//16, $GLOBALS['egw_info']['user']['account_lid']);
		}
		if (isset($generate) || empty($creds))
		{
			$image = $google2fa->getQRCodeInline(
				!empty($GLOBALS['egw_info']['server']['site_title']) ?
					$GLOBALS['egw_info']['server']['site_title'] : 'EGroupware',
				$GLOBALS['egw_info']['user']['account_email'],
				$secret_key
			);
			// bacon/bacon-qr-code >= 2 does not generate a data-url itself, but 1.x does :(
			if (substr($image, 0, 11) !== 'data:image/')
			{
				$image = 'data:image/'.(substr($image, 0, 5) === '<?xml' ? 'svg+xml' : 'png').
					';base64,'.base64_encode($image);
			}
		}
		return [
			'qrc' => $image,
			'hide_qrc' => empty($image),
			'cred_id' => !empty($creds) ? $creds['2fa_cred_id'] : null,
			'secret_key' => $secret_key,
			'status' => !empty($creds) ? lang('Two Factor Auth is already setup.') : '',
		];
	}

	/**
	 * Do some basic checks and then change password
	 *
	 * @param string $old_passwd
	 * @param string $new_passwd
	 * @param string $new_passwd2
	 * @return array with already translated errors
	 */
	public static function do_change($old_passwd, $new_passwd, $new_passwd2)
	{
		if ($GLOBALS['egw_info']['flags']['currentapp'] != 'preferences')
		{
			Api\Translation::add_app('preferences');
		}
		$errors = array();

		if (isset($GLOBALS['egw_info']['user']['passwd']) &&
			$old_passwd !== $GLOBALS['egw_info']['user']['passwd'])
		{
			$errors[] = lang('The old password is not correct');
		}
		if ($new_passwd != $new_passwd2)
		{
			$errors[] = lang('The two passwords are not the same');
		}

		if ($old_passwd !== false && $old_passwd == $new_passwd)
		{
			$errors[] = lang('Old password and new password are the same. This is invalid. You must enter a new password');
		}

		if (!$new_passwd)
		{
			$errors[] = lang('You must enter a password');
		}

		// allow auth backends or configured password strenght to throw exceptions and display there message
		if (!$errors)
		{
			try {
				if (!$GLOBALS['egw']->auth->change_password($old_passwd, $new_passwd,
					$GLOBALS['egw']->session->account_id))
				{
					// if we have no specific error, add general message
					$errors[] = lang('Failed to change password.');
				}
			}
			catch (Exception $e) {
				$errors[] = $e->getMessage();
			}
		}
		return $errors;
	}
}


1			<?php
2			/**
3			* EGroupware preferences: Security and passwords
4			*
5			* @package preferences
6			* @link http://www.egroupware.org
7			* @author Joseph Engo <[email protected]>
8			* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
9			*/
10
11			use EGroupware\Api;
12			use EGroupware\Api\Framework;
13			use EGroupware\Api\Etemplate;
14			use PragmaRX\Google2FAQRCode\Google2FA;
15			use EGroupware\Api\Mail\Credentials;
16
17			/**
18			* Security and passwords
19			*
20			* Other apps can add tabs to this popup by implementing the "preferences_security" hook
21			* like eg. the OpenID App does to allow users to revoke tokens.
22			*/
23			class preferences_password
24			{
25			var $public_functions = array(
26			'change' => True
27			);
28			const GAUTH_ANDROID = 'https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2';
29			const GAUTH_IOS = 'https://appstore.com/googleauthenticator';
30
31			/**
32			* Change password, two factor auth or revoke tokens
33			*
34			* @param type $content
35			*/
36			function change($content = null)
37			{
38			$GLOBALS['egw_info']['flags']['app_header'] = lang('Security & Password');
39			$tmpl = new Etemplate('preferences.password');
40
41			$readonlys = $sel_options = [];
42			try {
43			// PHP 7.1+: using SVG image backend (requiring XMLWriter) and not ImageMagic extension
44			if (class_exists('BaconQrCode\Renderer\Image\SvgImageBackEnd'))
45			{
46			$image_backend = new \BaconQrCode\Renderer\Image\SvgImageBackEnd;
			0 ignored issues – show Bug introduced 2020-02-03 16:56 UTC by Report Bug Copy Issue Report The type `BaconQrCode\Renderer\Image\SvgImageBackEnd` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
47			}
48			$google2fa = new Google2FA($image_backend);
49			$prefs = new Api\Preferences($GLOBALS['egw_info']['user']['account_id']);
50			$prefs->read_repository();
51
52			if (!is_array($content))
			0 ignored issues – show introduced 2019-06-05 11:31 UTC by Report Bug Copy Issue Report The condition `is_array($content)` is always `false`. Loading history...
53			{
54			$content = [];
55			$content['2fa'] = $this->generateQRCode($google2fa)+[
56			'gauth_android' => self::GAUTH_ANDROID,
57			'gauth_ios' => self::GAUTH_IOS,
58			];
59			}
60			else
61			{
62			$secret_key = $content['2fa']['secret_key'];
63			unset($content['2fa']['secret_key']);
64
65			// check user password for everything but password change, where it will be checked anyway
66			$auth = new Api\Auth();
67			if ($content['tabs'] !== 'change_password' &&
68			!$auth->authenticate($GLOBALS['egw_info']['user']['account_lid'], $content['password']))
69			{
70			$tmpl->set_validation_error('password', lang('Password is invalid'));
71			}
72			else
73			{
74			switch($content['tabs'])
75			{
76			case 'change_password':
77			if (!$GLOBALS['egw']->acl->check('nopasswordchange', 1) && $content['button']['save'])
78			{
79			if (($errors = self::do_change($content['password'], $content['n_passwd'], $content['n_passwd_2'])))
80			{
81			Framework::message(implode("\n", $errors), 'error');
82			}
83			else
84			{
85			Framework::refresh_opener(lang('Password changed'), 'preferences');
86			Framework::window_close();
87			}
88			}
89			break;
90
91			case 'two_factor_auth':
92			switch(key($content['2fa']['action']))
93			{
94			case 'show':
95			$content['2fa'] = $this->generateQRCode($google2fa, false);
96			break;
97			case 'reset':
98			$content['2fa'] = $this->generateQRCode($google2fa, true);
99			Framework::message(lang('New secret generated, you need to save it to disable the old one!'));
100			break;
101			case 'disable':
102			if (Credentials::delete(0, $GLOBALS['egw_info']['user']['account_id'], Credentials::TWOFA))
103			{
104			Framework::refresh_opener(lang('Secret deleted, two factor authentication disabled.'), 'preferences');
105			Framework::window_close();
106			}
107			else
108			{
109			Framework::message(lang('Failed to delete secret!'), 'error');
110			}
111			break;
112			default: // no action, save secret
113			if (!$google2fa->verifyKey($secret_key, $content['2fa']['code']))
114			{
115			$tmpl->set_validation_error('code', lang('Code is invalid'), '2fa');
116			break 2;
117			}
118			if (($content['2fa']['cred_id'] = Credentials::write(0,
119			$GLOBALS['egw_info']['user']['account_lid'],
120			$secret_key, Credentials::TWOFA,
121			$GLOBALS['egw_info']['user']['account_id'],
122			$content['2fa']['cred_id'])))
123			{
124			Framework::refresh_opener(lang('Two Factor Auth enabled.'), 'preferences');
125			Framework::window_close();
126			}
127			else
128			{
129			Framework::message(lang('Failed to store secret!'), 'error');
130			}
131			break;
132			}
133			unset($content['2fa']['action']);
134			break;
135
136			default:
137			// for other tabs call their save_callback (user password is already checked!)
138			if (!empty($content['save_callbacks'][$content['tabs']]) &&
139			($msg = call_user_func_array($content['save_callbacks'][$content['tabs']], [&$content])))
140			{
141			Framework::message($msg, 'success');
142			}
143			break;
144			}
145			}
146			}
147			}
148			catch (Exception $e) {
149			Framework::message($e->getMessage(), 'error');
150			}
151
152			// disable 2FA tab, if admin disabled it
153			if ($GLOBALS['egw_info']['server']['2fa_required'] === 'disabled')
154			{
155			$readonlys['tabs']['two_factor_auth'] = true;
156			}
157
158			// disable password change, if user has not right to change it
159			if ($GLOBALS['egw']->acl->check('nopasswordchange', 1))
160			{
161			$readonlys['tabs']['change_password'] = true;
162			}
163
164			$preserve = [
165			'2fa' => $content['2fa']+[
166			'secret_key' => $secret_key,
167			]
168			];
169
170			$tmpl->setElementAttribute('tabs', 'add_tabs', true);
171			$tabs =& $tmpl->getElementAttribute('tabs', 'tabs');
172			if (($first_call = !isset($tabs)))
173			{
174			$tabs = array();
175			}
176			// register hooks, if openid is available, but new hook not yet registered (should be removed after 19.1)
177			if (!empty($GLOBALS['egw_info']['apps']['openid']) && !Api\Hooks::implemented('preferences_security'))
178			{
179			Api\Hooks::read(true);
180			}
181			$hook_data = Api\Hooks::process(array('location' => 'preferences_security')+$content, ['openid'], true);
182			foreach($hook_data as $extra_tabs)
183			{
184			if (!$extra_tabs) continue;
185
186			foreach(isset($extra_tabs[0]) ? $extra_tabs : [$extra_tabs] as $extra_tab)
187			{
188			if (!empty($extra_tab['data']) && is_array($extra_tab['data']))
189			{
190			$content = array_merge($content, $extra_tab['data']);
191			}
192			if (!empty($extra_tab['preserve']) && is_array($extra_tab['preserve']))
193			{
194			$preserve = array_merge($preserve, $extra_tab['preserve']);
195			}
196			if (!empty($extra_tab['sel_options']) && is_array($extra_tab['sel_options']))
197			{
198			$sel_options = array_merge($sel_options, $extra_tab['sel_options']);
199			}
200			if (!empty($extra_tab['readonlys']) && is_array($extra_tab['readonlys']))
201			{
202			$readonlys = array_merge($readonlys, $extra_tab['readonlys']);
203			}
204			if (!empty($extra_tab['save_callback']))
205			{
206			$preserve['save_callbacks'][$extra_tab['name']] = $extra_tab['save_callback'];
207			}
208			// we must NOT add tabs more then once!
209			if ($first_call && !empty($extra_tab['label']) && !empty($extra_tab['name']))
210			{
211			$tabs[] = array(
212			'label' => $extra_tab['label'],
213			'template' => $extra_tab['name'],
214			'prepend' => $extra_tab['prepend'],
215			);
216			}
217			//error_log(__METHOD__."() changed tabs=".array2string($tabs));
218			}
219			}
220
221			$tmpl->exec('preferences.preferences_password.change', $content, $sel_options, $readonlys, $preserve, 2);
222			}
223
224			/**
225			* Generate QRCode and optional new secret
226			*
227			* @param Google2FA $google2fa
228			* @param boolean\|null $generate =null null: generate new qrCode/secret, if none exists
229			* true: allways generate new qrCode (to reset existing one)
230			* false: use existing secret, but generate qrCode
231			* @return array with keys "qrc" and "cred_id"
232			*/
233			protected function generateQRCode(Google2FA $google2fa, $generate=null)
234			{
235			$creds = Credentials::read(0, Credentials::TWOFA, $GLOBALS['egw_info']['user']['account_id']);
236
237			if (!$generate && $creds && strlen($creds['2fa_password']) >= 16)
			0 ignored issues – show Bug Best Practice introduced 2019-06-05 11:31 UTC by Report Bug Copy Issue Report The expression `$generate` of type `boolean\|null` is loosely compared to `false`; this is ambiguous if the boolean can be false. You might want to explicitly use `!== null` instead. If an expression can have both `false`, and `null` as possible values. It is generally a good practice to always use strict comparison to clearly distinguish between those two values. $a = canBeFalseAndNull(); // Instead of if ( ! $a) { } // Better use one of the explicit versions: if ($a !== null) { } if ($a !== false) { } if ($a !== null && $a !== false) { } Loading history...
238			{
239			$secret_key = $creds['2fa_password'];
240			}
241			else
242			{
243			$secret_key = $google2fa->generateSecretKey();//16, $GLOBALS['egw_info']['user']['account_lid']);
244			}
245			if (isset($generate) \|\| empty($creds))
246			{
247			$image = $google2fa->getQRCodeInline(
248			!empty($GLOBALS['egw_info']['server']['site_title']) ?
249			$GLOBALS['egw_info']['server']['site_title'] : 'EGroupware',
250			$GLOBALS['egw_info']['user']['account_email'],
251			$secret_key
252			);
253			// bacon/bacon-qr-code >= 2 does not generate a data-url itself, but 1.x does :(
254			if (substr($image, 0, 11) !== 'data:image/')
255			{
256			$image = 'data:image/'.(substr($image, 0, 5) === '<?xml' ? 'svg+xml' : 'png').
257			';base64,'.base64_encode($image);
258			}
259			}
260			return [
261			'qrc' => $image,
262			'hide_qrc' => empty($image),
263			'cred_id' => !empty($creds) ? $creds['2fa_cred_id'] : null,
264			'secret_key' => $secret_key,
265			'status' => !empty($creds) ? lang('Two Factor Auth is already setup.') : '',
266			];
267			}
268
269			/**
270			* Do some basic checks and then change password
271			*
272			* @param string $old_passwd
273			* @param string $new_passwd
274			* @param string $new_passwd2
275			* @return array with already translated errors
276			*/
277			public static function do_change($old_passwd, $new_passwd, $new_passwd2)
278			{
279			if ($GLOBALS['egw_info']['flags']['currentapp'] != 'preferences')
280			{
281			Api\Translation::add_app('preferences');
282			}
283			$errors = array();
284
285			if (isset($GLOBALS['egw_info']['user']['passwd']) &&
286			$old_passwd !== $GLOBALS['egw_info']['user']['passwd'])
287			{
288			$errors[] = lang('The old password is not correct');
289			}
290			if ($new_passwd != $new_passwd2)
291			{
292			$errors[] = lang('The two passwords are not the same');
293			}
294
295			if ($old_passwd !== false && $old_passwd == $new_passwd)
296			{
297			$errors[] = lang('Old password and new password are the same. This is invalid. You must enter a new password');
298			}
299
300			if (!$new_passwd)
301			{
302			$errors[] = lang('You must enter a password');
303			}
304
305			// allow auth backends or configured password strenght to throw exceptions and display there message
306			if (!$errors)
307			{
308			try {
309			if (!$GLOBALS['egw']->auth->change_password($old_passwd, $new_passwd,
310			$GLOBALS['egw']->session->account_id))
311			{
312			// if we have no specific error, add general message
313			$errors[] = lang('Failed to change password.');
314			}
315			}
316			catch (Exception $e) {
317			$errors[] = $e->getMessage();
318			}
319			}
320			return $errors;
321			}
322			}
323

EGroupware / egroupware

preferences_password::generateQRCode() B last analyzed 2020-03-04 21:49 UTC

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

Duplication Side-by-Side

Filter issues like

preferences_password::generateQRCode() B
last analyzed 2020-03-04 21:49 UTC