Your IP : 216.73.216.43
<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\LinkHandling;
use TYPO3\CMS\Core\Core\Environment;
use TYPO3\CMS\Core\Resource\Exception\ResourceDoesNotExistException;
use TYPO3\CMS\Core\Resource\File;
use TYPO3\CMS\Core\Resource\Folder;
use TYPO3\CMS\Core\Resource\ResourceFactory;
use TYPO3\CMS\Core\Resource\ResourceInterface;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Core\Utility\MathUtility;
/**
* Class to resolve and convert the "old" link information (email, external url, file, page etc)
* to a URL or new format for migration
*
* @internal
*/
class LegacyLinkNotationConverter
{
/**
* @var ResourceFactory
*/
protected $resourceFactory;
/**
* Part of the typolink construction functionality, called by typoLink()
* Used to resolve "legacy"-based typolinks.
*
* Tries to get the type of the link from the link parameter
* could be
* - "mailto" an email address
* - "url" external URL
* - "file" a local file (checked AFTER getPublicUrl() is called)
* - "page" a page (integer)
*
* Does NOT check if the page exists or the file exists.
*
* @param string $linkParameter could be "fileadmin/myfile.jpg", "info@typo3.org", "13" or "http://www.typo3.org"
*/
public function resolve(string $linkParameter): array
{
$a = [];
if (stripos(rawurldecode(trim($linkParameter)), 'phar://') === 0) {
throw new \RuntimeException(
'phar scheme not allowed as soft reference target',
1530030673
);
}
$result = [];
// @todo If resolved result (linkDetails) are later used to build an uri using LinkBuilder->build(), it's needed
// to have the original $linkParameter in the result array. Otherwise, places may break like e.g. the
// DatabaseRecordLinkBuilder. Can we safely set this here directly and avoiding calls before build like
// "$linkDetails['typoLinkParameter'] = $redirectTarget;" - e.g. like in the ext:redirects
// TYPO3\CMS\Redirects\Service\RedirectService::resolveLinkDetailsFromLinkTarget() and other places.
// Resolve FAL-api "file:UID-of-sys_file-record" and "file:combined-identifier"
if (stripos($linkParameter, 'file:') === 0) {
$result = $this->getFileOrFolderObjectFromMixedIdentifier(substr($linkParameter, 5));
} elseif (GeneralUtility::validEmail((string)parse_url($linkParameter, PHP_URL_PATH))) {
$result['type'] = LinkService::TYPE_EMAIL;
$result['email'] = $linkParameter;
} elseif (str_starts_with($linkParameter, 'tel:')) {
$result['type'] = LinkService::TYPE_TELEPHONE;
$result['telephone'] = $linkParameter;
} elseif (str_contains($linkParameter, ':')) {
// Check for link-handler keyword
[$linkHandlerKeyword, $linkHandlerValue] = explode(':', $linkParameter, 2);
$result['type'] = strtolower(trim($linkHandlerKeyword));
if ($linkHandlerValue === '') {
return [
'type' => LinkService::TYPE_UNKNOWN,
'url' => $linkParameter,
];
}
$result['url'] = $linkParameter;
$result['value'] = $linkHandlerValue;
if ($result['type'] === LinkService::TYPE_RECORD) {
[$a['identifier'], $tableAndUid] = explode(':', $linkHandlerValue, 2);
$tableAndUid = explode(':', $tableAndUid);
if (count($tableAndUid) > 1) {
$a['table'] = $tableAndUid[0];
$a['uid'] = (int)$tableAndUid[1];
} else {
// this case can happen if there is the very old linkhandler syntax, which was only record:<table>:<uid>
$a['table'] = $a['identifier'];
$a['uid'] = (int)$tableAndUid[0];
}
$result = array_merge($result, $a);
}
} else {
// special handling without a scheme
$isLocalFile = 0;
$fileChar = (int)strpos($linkParameter, '/');
$urlChar = (int)strpos($linkParameter, '.');
$isIdOrAlias = MathUtility::canBeInterpretedAsInteger($linkParameter);
$matches = [];
// capture old RTE links relative to TYPO3 Backend /typo3/
if (preg_match('#../(?:index\\.php)?\\?id=([^&]+)#', $linkParameter, $matches)) {
$linkParameter = $matches[1];
$isIdOrAlias = true;
}
$containsSlash = false;
if (!$isIdOrAlias) {
// Detects if a file is found in site-root and if so it will be treated like a normal file.
[$rootFileDat] = explode('?', rawurldecode($linkParameter));
$containsSlash = str_contains($rootFileDat, '/');
$pathInfo = pathinfo($rootFileDat);
$fileExtension = strtolower($pathInfo['extension'] ?? '');
if (!$containsSlash
&& trim($rootFileDat)
&& (
@is_file(Environment::getPublicPath() . '/' . $rootFileDat)
|| $fileExtension === 'php'
|| $fileExtension === 'html'
|| $fileExtension === 'htm'
)
) {
$isLocalFile = 1;
} elseif ($containsSlash) {
// Adding this so realurl directories are linked right (non-existing).
$isLocalFile = 2;
}
}
// url (external): If doubleSlash or if a '.' comes before a '/'.
if (!$isIdOrAlias && $isLocalFile !== 1 && $urlChar && (!$containsSlash || $urlChar < $fileChar)) {
$result['type'] = LinkService::TYPE_URL;
$result['url'] = UrlLinkHandler::getDefaultScheme() . '://' . $linkParameter;
// file (internal) or folder
} elseif ($containsSlash || $isLocalFile) {
$result = $this->getFileOrFolderObjectFromMixedIdentifier($linkParameter);
} else {
// Integer or alias (alias is without slashes or periods or commas, that is
// 'nospace,alphanum_x,lower,unique' according to definition in $GLOBALS['TCA']!)
$result = $this->resolvePageRelatedParameters($linkParameter);
}
}
return $result;
}
/**
* Internal method to do some magic to get a page parts, additional params, fragment / section hash
*
* @param string $data the input variable, can be "mypage,23" with fragments, keys
*
* @return array the result array with the page type set
*/
protected function resolvePageRelatedParameters(string $data): array
{
$result = ['type' => LinkService::TYPE_PAGE];
if (str_contains($data, '#')) {
[$data, $result['fragment']] = explode('#', $data, 2);
}
// check for additional parameters
if (str_contains($data, '?')) {
[$data, $result['parameters']] = explode('?', $data, 2);
} elseif (str_contains($data, '&')) {
[$data, $result['parameters']] = explode('&', $data, 2);
}
$data = rtrim($data, ',');
if (empty($data)) {
$result['pageuid'] = 'current';
} elseif ($data[0] === '#') {
$result['pageuid'] = 'current';
$result['fragment'] = substr($data, 1);
} elseif (str_contains($data, ',')) {
[$result['pageuid'], $result['pagetype']] = explode(',', $data, 2);
} elseif (str_contains($data, '/')) {
$data = explode('/', trim($data, '/'));
$result['pageuid'] = array_shift($data);
foreach ($data as $k => $item) {
if ($data[$k] % 2 === 0 && !empty($data[$k + 1])) {
$result['page' . $data[$k]] = $data[$k + 1];
}
}
} else {
$result['pageuid'] = $data;
}
if (MathUtility::canBeInterpretedAsInteger($result['pageuid'])) {
$result['pageuid'] = (int)$result['pageuid'];
}
return $result;
}
/**
* Internal method that fetches a file or folder object based on the file or folder combined identifier
*
* @param string $mixedIdentifier can be something like "2" (file uid), "fileadmin/i/like.png" or "2:/myidentifier/"
*
* @return array the result with the type (file or folder) set
*/
protected function getFileOrFolderObjectFromMixedIdentifier(string $mixedIdentifier): array
{
$result = [];
try {
$fileIdentifier = $mixedIdentifier;
$fragment = null;
if (str_contains($fileIdentifier, '#')) {
[$fileIdentifier, $fragment] = explode('#', $fileIdentifier, 2);
}
$fileOrFolderObject = $this->getResourceFactory()->retrieveFileOrFolderObject($fileIdentifier);
// Links to a file/folder in the main TYPO3 directory should not be considered as file links, but an external link
if ($fileOrFolderObject instanceof ResourceInterface && $fileOrFolderObject->getStorage()->getUid() === 0) {
return [
'type' => LinkService::TYPE_URL,
'url' => $mixedIdentifier,
];
}
// Link to a folder or file
if ($fileOrFolderObject instanceof File) {
$result['type'] = LinkService::TYPE_FILE;
$result['file'] = $fileOrFolderObject;
if ($fragment) {
$result['fragment'] = $fragment;
}
} elseif ($fileOrFolderObject instanceof Folder) {
$result['type'] = LinkService::TYPE_FOLDER;
$result['folder'] = $fileOrFolderObject;
if ($fragment) {
$result['fragment'] = $fragment;
}
} elseif (str_starts_with($mixedIdentifier, '/')) {
$result['type'] = LinkService::TYPE_URL;
$result['url'] = $mixedIdentifier;
} else {
$result['type'] = LinkService::TYPE_UNKNOWN;
$result['file'] = $mixedIdentifier;
}
} catch (\RuntimeException $e) {
// Element wasn't found
$result['type'] = LinkService::TYPE_UNKNOWN;
$result['file'] = $mixedIdentifier;
} catch (ResourceDoesNotExistException $e) {
// Resource was not found
$result['type'] = LinkService::TYPE_UNKNOWN;
$result['file'] = $mixedIdentifier;
}
return $result;
}
/**
* Initializes the resource factory (only once)
*/
protected function getResourceFactory(): ResourceFactory
{
if (!$this->resourceFactory) {
$this->resourceFactory = GeneralUtility::makeInstance(ResourceFactory::class);
}
return $this->resourceFactory;
}
}