Issues in common.inc.php - All Issues - Inspection of "Scoping, whatevs!" - smtech/grading-analytics - Measure and Improve Code Quality continuously with Scrutinizer

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by Seth

created 2017-06-07 19:08 UTC

common.inc.php (3 issues)

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<?php

require_once __DIR__ . '/vendor/autoload.php';
require_once __DIR__ . '/constants.inc.php';

use smtech\GradingAnalytics\Toolbox;
use smtech\ReflexiveCanvasLTI\LTI\ToolProvider;
use Battis\DataUtilities;

@session_start(); // TODO I don't feel good about suppressing warnings
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}

/* prepare the toolbox */
if (empty($_SESSION[Toolbox::class])) {
    $_SESSION[Toolbox::class] =& Toolbox::fromConfiguration(CONFIG_FILE);
}
$toolbox =& $_SESSION[Toolbox::class];
$toolbox->smarty_assign([
abstract class User
{
    /** @return string */
    abstract public function getPassword();
}

class MyUser extends User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}
    'category' => DataUtilities::titleCase(preg_replace('/[\-_]+/', ' ', basename(__DIR__)))
]);

/* set the Tool Consumer's instance URL, if present */
if (empty($_SESSION[CANVAS_INSTANCE_URL]) &&
    !empty($_SESSION[ToolProvider::class]['canvas']['api_domain'])
) {
    $_SESSION[CANVAS_INSTANCE_URL] = 'https://' . $_SESSION[ToolProvider::class]['canvas']['api_domain'];
}

if (!empty($_SESSION[CANVAS_INSTANCE_URL])) {
    $toolbox->smarty_assign('canvasInstanceUrl', $_SESSION[CANVAS_INSTANCE_URL]);
abstract class User
{
    /** @return string */
    abstract public function getPassword();
}

class MyUser extends User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}
}


Push — develop ( 0a51be...be5f7a )

common.inc.php (3 issues)

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Introduced By

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1			<?php
2
3			require_once __DIR__ . '/vendor/autoload.php';
4			require_once __DIR__ . '/constants.inc.php';
5
6			use smtech\GradingAnalytics\Toolbox;
7			use smtech\ReflexiveCanvasLTI\LTI\ToolProvider;
8			use Battis\DataUtilities;
9
10			@session_start(); // TODO I don't feel good about suppressing warnings
			0 ignored issues – show Security Best Practice introduced 2017-06-05 19:18 UTC by Report Bug Copy Issue Report Show Similar Issues like this It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
11
12			/* prepare the toolbox */
13			if (empty($_SESSION[Toolbox::class])) {
14			$_SESSION[Toolbox::class] =& Toolbox::fromConfiguration(CONFIG_FILE);
15			}
16			$toolbox =& $_SESSION[Toolbox::class];
17			$toolbox->smarty_assign([
			0 ignored issues – show Bug introduced 2017-06-05 19:18 UTC by Report Bug Copy Issue Report Show Similar Issues like this It seems like you code against a specific sub-type and not the parent class `smtech\ReflexiveCanvasLTI\Toolbox` as the method `smarty_assign()` does only exist in the following sub-classes of `smtech\ReflexiveCanvasLTI\Toolbox`: `smtech\GradingAnalytics\Toolbox`, `smtech\StMarksReflexiveCanvasLTI\Toolbox`. Maybe you want to `instanceof` check for one of these explicitly? Let’s take a look at an example: abstract class User { /** @return string / abstract public function getPassword(); } class MyUser extends User { public function getPassword() { // return something } public function getDisplayName() { // return some name. } } class AuthSystem { public function authenticate(User $user) { $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName())); // do something. } } In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different sub-classes of User which does not have a getDisplayName() method, the code will break. Available Fixes Change the type-hint for the parameter: class AuthSystem { public function authenticate(MyUser $user) { / ... / } } Add an additional type-check: class AuthSystem { public function authenticate(User $user) { if ($user instanceof MyUser) { $this->logger->info(/* ... /); } // or alternatively if ( ! $user instanceof MyUser) { throw new \LogicException( '$user must be an instance of MyUser, ' .'other instances are not supported.' ); } } } Note:* PHP Analyzer uses reverse abstract interpretation to narrow down the types inside the if block in such a case. Add the method to the parent class: abstract class User { /** @return string / abstract public function getPassword(); /* @return string */ abstract public function getDisplayName(); } Loading history...
18			'category' => DataUtilities::titleCase(preg_replace('/[\-_]+/', ' ', basename(__DIR__)))
19			]);
20
21			/* set the Tool Consumer's instance URL, if present */
22			if (empty($_SESSION[CANVAS_INSTANCE_URL]) &&
23			!empty($_SESSION[ToolProvider::class]['canvas']['api_domain'])
24			) {
25			$_SESSION[CANVAS_INSTANCE_URL] = 'https://' . $_SESSION[ToolProvider::class]['canvas']['api_domain'];
26			}
27
28			if (!empty($_SESSION[CANVAS_INSTANCE_URL])) {
29			$toolbox->smarty_assign('canvasInstanceUrl', $_SESSION[CANVAS_INSTANCE_URL]);
			0 ignored issues – show Bug introduced 2017-06-05 19:18 UTC by Report Bug Copy Issue Report Show Similar Issues like this It seems like you code against a specific sub-type and not the parent class `smtech\ReflexiveCanvasLTI\Toolbox` as the method `smarty_assign()` does only exist in the following sub-classes of `smtech\ReflexiveCanvasLTI\Toolbox`: `smtech\GradingAnalytics\Toolbox`, `smtech\StMarksReflexiveCanvasLTI\Toolbox`. Maybe you want to `instanceof` check for one of these explicitly? Let’s take a look at an example: abstract class User { /** @return string / abstract public function getPassword(); } class MyUser extends User { public function getPassword() { // return something } public function getDisplayName() { // return some name. } } class AuthSystem { public function authenticate(User $user) { $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName())); // do something. } } In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different sub-classes of User which does not have a getDisplayName() method, the code will break. Available Fixes Change the type-hint for the parameter: class AuthSystem { public function authenticate(MyUser $user) { / ... / } } Add an additional type-check: class AuthSystem { public function authenticate(User $user) { if ($user instanceof MyUser) { $this->logger->info(/* ... /); } // or alternatively if ( ! $user instanceof MyUser) { throw new \LogicException( '$user must be an instance of MyUser, ' .'other instances are not supported.' ); } } } Note:* PHP Analyzer uses reverse abstract interpretation to narrow down the types inside the if block in such a case. Add the method to the parent class: abstract class User { /** @return string / abstract public function getPassword(); /* @return string */ abstract public function getDisplayName(); } Loading history...
30			}
31

smtech / grading-analytics

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common.inc.php (3 issues)

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