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					@ -13,7 +13,6 @@ use Symfony\Component\Filesystem\Filesystem; | 
				
			
			
		
	
		
			
				
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					 */ | 
				
			
			
		
	
		
			
				
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					class LtiProviderPlugin extends Plugin | 
				
			
			
		
	
		
			
				
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					{ | 
				
			
			
		
	
		
			
				
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					    const TABLE_PLATFORM = 'plugin_lti_provider_platform'; | 
				
			
			
		
	
		
			
				
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					    public $isAdminPlugin = true; | 
				
			
			
		
	
	
		
			
				
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					@ -50,7 +49,6 @@ class LtiProviderPlugin extends Plugin | 
				
			
			
		
	
		
			
				
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					            'enabled' => 'boolean', | 
				
			
			
		
	
		
			
				
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					        ]; | 
				
			
			
		
	
		
			
				
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					        parent::__construct($version, $author, $settings); | 
				
			
			
		
	
		
			
				
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					    } | 
				
			
			
		
	
		
			
				
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					    /** | 
				
			
			
		
	
	
		
			
				
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					@ -131,9 +129,76 @@ class LtiProviderPlugin extends Plugin | 
				
			
			
		
	
		
			
				
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					    } | 
				
			
			
		
	
		
			
				
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					    /** | 
				
			
			
		
	
		
			
				
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					     * Creates the plugin tables on database | 
				
			
			
		
	
		
			
				
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					     * Save configuration for plugin. | 
				
			
			
		
	
		
			
				
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					     * | 
				
			
			
		
	
		
			
				
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					     * Generate a new key pair for platform when enabling plugin. | 
				
			
			
		
	
		
			
				
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					     * | 
				
			
			
		
	
		
			
				
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					     * @return void | 
				
			
			
		
	
		
			
				
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					     * @throws OptimisticLockException | 
				
			
			
		
	
		
			
				
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					     * @throws \Doctrine\ORM\ORMException | 
				
			
			
		
	
		
			
				
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					     * | 
				
			
			
		
	
		
			
				
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					     * @return $this|Plugin | 
				
			
			
		
	
		
			
				
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					     */ | 
				
			
			
		
	
		
			
				
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					    public function performActionsAfterConfigure() | 
				
			
			
		
	
		
			
				
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					    { | 
				
			
			
		
	
		
			
				
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					        $em = Database::getManager(); | 
				
			
			
		
	
		
			
				
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					        /** @var PlatformKey $platformKey */ | 
				
			
			
		
	
		
			
				
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					        $platformKey = $em | 
				
			
			
		
	
		
			
				
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					            ->getRepository('ChamiloPluginBundle:LtiProvider\PlatformKey') | 
				
			
			
		
	
		
			
				
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					            ->findOneBy([]); | 
				
			
			
		
	
		
			
				
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					        if ($this->get('enabled') === 'true') { | 
				
			
			
		
	
		
			
				
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					            if (!$platformKey) { | 
				
			
			
		
	
		
			
				
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					                $platformKey = new PlatformKey(); | 
				
			
			
		
	
		
			
				
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					            } | 
				
			
			
		
	
		
			
				
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					            $keyPair = self::generatePlatformKeys(); | 
				
			
			
		
	
		
			
				
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					            $platformKey->setKid($keyPair['kid']); | 
				
			
			
		
	
		
			
				
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					            $platformKey->publicKey = $keyPair['public']; | 
				
			
			
		
	
		
			
				
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					            $platformKey->setPrivateKey($keyPair['private']); | 
				
			
			
		
	
		
			
				
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					            $em->persist($platformKey); | 
				
			
			
		
	
		
			
				
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					        } else { | 
				
			
			
		
	
		
			
				
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					            if ($platformKey) { | 
				
			
			
		
	
		
			
				
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					                $em->remove($platformKey); | 
				
			
			
		
	
		
			
				
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					            } | 
				
			
			
		
	
		
			
				
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					        } | 
				
			
			
		
	
		
			
				
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					        $em->flush(); | 
				
			
			
		
	
		
			
				
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					        return $this; | 
				
			
			
		
	
		
			
				
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					    } | 
				
			
			
		
	
		
			
				
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					    /** | 
				
			
			
		
	
		
			
				
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					     * Unistall plugin. Clear the database. | 
				
			
			
		
	
		
			
				
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					     */ | 
				
			
			
		
	
		
			
				
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					    public function uninstall() | 
				
			
			
		
	
		
			
				
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					    { | 
				
			
			
		
	
		
			
				
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					        $pluginEntityPath = $this->getEntityPath(); | 
				
			
			
		
	
		
			
				
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					        $fs = new Filesystem(); | 
				
			
			
		
	
		
			
				
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					        if ($fs->exists($pluginEntityPath)) { | 
				
			
			
		
	
		
			
				
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					            $fs->remove($pluginEntityPath); | 
				
			
			
		
	
		
			
				
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					        } | 
				
			
			
		
	
		
			
				
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					        try { | 
				
			
			
		
	
		
			
				
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					            $this->dropPluginTables(); | 
				
			
			
		
	
		
			
				
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					        } catch (DBALException $e) { | 
				
			
			
		
	
		
			
				
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					            error_log('Error while uninstalling IMS/LTI plugin: '.$e->getMessage()); | 
				
			
			
		
	
		
			
				
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					        } | 
				
			
			
		
	
		
			
				
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					    } | 
				
			
			
		
	
		
			
				
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					    public function trimParams(array &$params) | 
				
			
			
		
	
		
			
				
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					    { | 
				
			
			
		
	
		
			
				
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					        foreach ($params as $key => $value) { | 
				
			
			
		
	
		
			
				
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					            $newValue = preg_replace('/\s+/', ' ', $value); | 
				
			
			
		
	
		
			
				
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					            $params[$key] = trim($newValue); | 
				
			
			
		
	
		
			
				
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					        } | 
				
			
			
		
	
		
			
				
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					    } | 
				
			
			
		
	
		
			
				
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					    /** | 
				
			
			
		
	
		
			
				
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					     * Creates the plugin tables on database. | 
				
			
			
		
	
		
			
				
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					     */ | 
				
			
			
		
	
		
			
				
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					    private function createPluginTables(): void | 
				
			
			
		
	
		
			
				
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					    { | 
				
			
			
		
	
	
		
			
				
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					@ -165,7 +230,6 @@ class LtiProviderPlugin extends Plugin | 
				
			
			
		
	
		
			
				
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					        foreach ($queries as $query) { | 
				
			
			
		
	
		
			
				
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					            Database::query($query); | 
				
			
			
		
	
		
			
				
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					        } | 
				
			
			
		
	
		
			
				
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					    } | 
				
			
			
		
	
		
			
				
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					    private function areTablesCreated(): bool | 
				
			
			
		
	
	
		
			
				
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					@ -176,54 +240,10 @@ class LtiProviderPlugin extends Plugin | 
				
			
			
		
	
		
			
				
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					        return $connection->getSchemaManager()->tablesExist(self::TABLE_PLATFORM); | 
				
			
			
		
	
		
			
				
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					    } | 
				
			
			
		
	
		
			
				
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					    /** | 
				
			
			
		
	
		
			
				
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					     * Save configuration for plugin. | 
				
			
			
		
	
		
			
				
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					     * | 
				
			
			
		
	
		
			
				
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					     * Generate a new key pair for platform when enabling plugin. | 
				
			
			
		
	
		
			
				
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					     * | 
				
			
			
		
	
		
			
				
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					     * @throws OptimisticLockException | 
				
			
			
		
	
		
			
				
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					     * @throws \Doctrine\ORM\ORMException | 
				
			
			
		
	
		
			
				
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					     * | 
				
			
			
		
	
		
			
				
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					     * @return $this|Plugin | 
				
			
			
		
	
		
			
				
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					     */ | 
				
			
			
		
	
		
			
				
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					    public function performActionsAfterConfigure() | 
				
			
			
		
	
		
			
				
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					    { | 
				
			
			
		
	
		
			
				
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					        $em = Database::getManager(); | 
				
			
			
		
	
		
			
				
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					        /** @var PlatformKey $platformKey */ | 
				
			
			
		
	
		
			
				
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					        $platformKey = $em | 
				
			
			
		
	
		
			
				
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					            ->getRepository('ChamiloPluginBundle:LtiProvider\PlatformKey') | 
				
			
			
		
	
		
			
				
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					            ->findOneBy([]); | 
				
			
			
		
	
		
			
				
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					        if ($this->get('enabled') === 'true') { | 
				
			
			
		
	
		
			
				
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					            if (!$platformKey) { | 
				
			
			
		
	
		
			
				
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					                $platformKey = new PlatformKey(); | 
				
			
			
		
	
		
			
				
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					            } | 
				
			
			
		
	
		
			
				
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					            $keyPair = self::generatePlatformKeys(); | 
				
			
			
		
	
		
			
				
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					            $platformKey->setKid($keyPair['kid']); | 
				
			
			
		
	
		
			
				
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					            $platformKey->publicKey = $keyPair['public']; | 
				
			
			
		
	
		
			
				
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					            $platformKey->setPrivateKey($keyPair['private']); | 
				
			
			
		
	
		
			
				
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					            $em->persist($platformKey); | 
				
			
			
		
	
		
			
				
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					        } else { | 
				
			
			
		
	
		
			
				
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					            if ($platformKey) { | 
				
			
			
		
	
		
			
				
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					                $em->remove($platformKey); | 
				
			
			
		
	
		
			
				
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					            } | 
				
			
			
		
	
		
			
				
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					        } | 
				
			
			
		
	
		
			
				
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					        $em->flush(); | 
				
			
			
		
	
		
			
				
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					        return $this; | 
				
			
			
		
	
		
			
				
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					    } | 
				
			
			
		
	
		
			
				
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					    /** | 
				
			
			
		
	
		
			
				
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					     * Generate a key pair and key id for the platform. | 
				
			
			
		
	
		
			
				
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					     * | 
				
			
			
		
	
		
			
				
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					     * Return a associative array like ['kid' => '...', 'private' => '...', 'public' => '...']. | 
				
			
			
		
	
		
			
				
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					     * | 
				
			
			
		
	
		
			
				
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					     * @return array | 
				
			
			
		
	
		
			
				
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					     */ | 
				
			
			
		
	
		
			
				
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					    private static function generatePlatformKeys(): array | 
				
			
			
		
	
		
			
				
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					    { | 
				
			
			
		
	
	
		
			
				
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					@ -251,28 +271,7 @@ class LtiProviderPlugin extends Plugin | 
				
			
			
		
	
		
			
				
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					    } | 
				
			
			
		
	
		
			
				
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					    /** | 
				
			
			
		
	
		
			
				
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					     * Unistall plugin. Clear the database | 
				
			
			
		
	
		
			
				
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					     */ | 
				
			
			
		
	
		
			
				
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					    public function uninstall() | 
				
			
			
		
	
		
			
				
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					    { | 
				
			
			
		
	
		
			
				
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					        $pluginEntityPath = $this->getEntityPath(); | 
				
			
			
		
	
		
			
				
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					        $fs = new Filesystem(); | 
				
			
			
		
	
		
			
				
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					        if ($fs->exists($pluginEntityPath)) { | 
				
			
			
		
	
		
			
				
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					            $fs->remove($pluginEntityPath); | 
				
			
			
		
	
		
			
				
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					        } | 
				
			
			
		
	
		
			
				
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					        try { | 
				
			
			
		
	
		
			
				
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					            $this->dropPluginTables(); | 
				
			
			
		
	
		
			
				
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					        } catch (DBALException $e) { | 
				
			
			
		
	
		
			
				
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					            error_log('Error while uninstalling IMS/LTI plugin: '.$e->getMessage()); | 
				
			
			
		
	
		
			
				
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					        } | 
				
			
			
		
	
		
			
				
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					    } | 
				
			
			
		
	
		
			
				
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					    /** | 
				
			
			
		
	
		
			
				
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					     * Drops the plugin tables on database | 
				
			
			
		
	
		
			
				
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					     * | 
				
			
			
		
	
		
			
				
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					     * @return boolean | 
				
			
			
		
	
		
			
				
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					     * Drops the plugin tables on database. | 
				
			
			
		
	
		
			
				
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					     */ | 
				
			
			
		
	
		
			
				
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					    private function dropPluginTables(): bool | 
				
			
			
		
	
		
			
				
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					    { | 
				
			
			
		
	
	
		
			
				
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					@ -282,19 +281,9 @@ class LtiProviderPlugin extends Plugin | 
				
			
			
		
	
		
			
				
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					        return true; | 
				
			
			
		
	
		
			
				
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					    } | 
				
			
			
		
	
		
			
				
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					    /** | 
				
			
			
		
	
		
			
				
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					     * @param array $params | 
				
			
			
		
	
		
			
				
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					     */ | 
				
			
			
		
	
		
			
				
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					    public function trimParams(array &$params) | 
				
			
			
		
	
		
			
				
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					    { | 
				
			
			
		
	
		
			
				
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					        foreach ($params as $key => $value) { | 
				
			
			
		
	
		
			
				
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					            $newValue = preg_replace('/\s+/', ' ', $value); | 
				
			
			
		
	
		
			
				
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					            $params[$key] = trim($newValue); | 
				
			
			
		
	
		
			
				
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					        } | 
				
			
			
		
	
		
			
				
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					    } | 
				
			
			
		
	
		
			
				
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					    /** | 
				
			
			
		
	
		
			
				
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					     * Get a SimpleXMLElement object with the request received on php://input. | 
				
			
			
		
	
		
			
				
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					     * | 
				
			
			
		
	
		
			
				
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					     * @throws Exception | 
				
			
			
		
	
		
			
				
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					     */ | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
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					    private function getRequestXmlElement(): ?SimpleXMLElement | 
				
			
			
		
	
	
		
			
				
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					@ -307,5 +296,4 @@ class LtiProviderPlugin extends Plugin | 
				
			
			
		
	
		
			
				
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				 | 
				
					        return new SimpleXMLElement($request); | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					    } | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					
 | 
				
			
			
		
	
		
			
				
					 | 
					 | 
				
				 | 
				 | 
				
					} | 
				
			
			
		
	
	
		
			
				
					| 
						
						
						
					 | 
				
				 | 
				 | 
				
					
  |