laminas/laminas-xml

Utility library for XML usage, best practices, and security in PHP

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1.4.0 2021-11-30 02:16 UTC

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Last update: 2022-07-20 18:35:06 UTC


README

🇷🇺 Русским гражданам

Мы, участники Laminas, родились и живем в разных странах. У многих из нас есть друзья, родственники и коллеги как в России, так и в Украине. Некоторые из нас родились в России. Некоторые из нас живут в России. У некоторых бабушки и дедушки сражались с фашистами во Второй мировой войне. Здесь никто не поддерживает фашизм.

У одного из нас есть украинская родственница, которая спаслась из дома вместе с сыном. Поезд задержался из-за бомбежки на дороге впереди. У нас есть друзья, которые прячутся в бомбоубежищах. Мы с тревогой ждем весточки от них после воздушных налетов, которые беспорядочно наносят удары и попадают по больницам, школам, детским садам и домам. Мы не берем это из каких-либо СМИ. Мы наблюдаем это напрямую.

Вы доверяете нам достаточно, чтоб использовать наши программы, и мы просим вас довериться нам вновь. Мы нуждаемся в помощи. Выходите и протестуйте против этой бесполезной войны. Остановите кровопролитие. Скажите "Нет войне!"

🇺🇸 To Citizens of Russia

We at Laminas come from all over the world. Many of us have friends, family and colleagues in both Russia and Ukraine. Some of us were born in Russia. Some of us currently live in Russia. Some have grandparents who fought Nazis in World War II. Nobody here supports fascism.

One team member has a Ukrainian relative who fled her home with her son. The train was delayed due to bombing on the road ahead. We have friends who are hiding in bomb shelters. We anxiously follow up on them after the air raids, which indiscriminately fire at hospitals, schools, kindergartens and houses. We're not taking this from any media. These are our actual experiences.

You trust us enough to use our software. We ask that you trust us to say the truth on this. We need your help. Go out and protest this unnecessary war. Stop the bloodshed. Say "stop the war!"

This package is considered feature-complete, and is now in security-only maintenance mode, following a decision by the Technical Steering Committee. If you have a security issue, please follow our security reporting guidelines. If you wish to take on the role of maintainer, please nominate yourself

Build Status

An utility component for XML usage and best practices in PHP

Installation

You can install using:

$ curl -s https://getcomposer.org/installer | php
$ php composer.phar install

Notice that this library doesn't have any external dependencies, the usage of composer is for autoloading and standard purpose.

Laminas\Xml\Security

This is a security component to prevent XML eXternal Entity (XXE) and XML Entity Expansion (XEE) attacks on XML documents.

The XXE attack is prevented disabling the load of external entities in the libxml library used by PHP, using the function libxml_disable_entity_loader.

The XEE attack is prevented looking inside the XML document for ENTITY usage. If the XML document uses ENTITY the library throw an Exception.

We have two static methods to scan and load XML document from a string (scan) and from a file (scanFile). You can decide to get a SimpleXMLElement or DOMDocument as result, using the following use cases:

use Laminas\Xml\Security as XmlSecurity;

$xml = <<<XML
    <?xml version="1.0"?>
    <results>
        <result>test</result>
    </results>
    XML;

// SimpleXML use case
$simplexml = XmlSecurity::scan($xml);
printf ("SimpleXMLElement: %s\n", ($simplexml instanceof \SimpleXMLElement) ? 'yes' : 'no');

// DOMDocument use case
$dom = new \DOMDocument('1.0');
$dom = XmlSecurity::scan($xml, $dom);
printf ("DOMDocument: %s\n", ($dom instanceof \DOMDocument) ? 'yes' : 'no');