86 lines
3.0 KiB
PHP
86 lines
3.0 KiB
PHP
<?php
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/**
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* WebFinger resource parent class
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*
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* @package GNUsocial
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* @author Mikael Nordfeldth
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* @copyright 2013 Free Software Foundation, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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abstract class WebFingerResource
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{
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protected $identities = array();
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protected $object = null;
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protected $type = null;
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public function __construct(Managed_DataObject $object)
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{
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$this->object = $object;
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}
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public function getObject()
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{
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if ($this->object === null) {
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throw new ServerException('Object is not set');
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}
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return $this->object;
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}
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public function getAliases()
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{
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$aliases = array();
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// Add the URI as an identity, this is _not_ necessarily an HTTP url
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$uri = $this->object->getUri();
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$aliases[$uri] = true;
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if (common_config('webfinger', 'http_alias')
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&& strtolower(parse_url($uri, PHP_URL_SCHEME)) === 'https') {
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$aliases[preg_replace('/^https:/', 'http:', $uri, 1)] = true;
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}
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try {
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$aliases[$this->object->getUrl()] = true;
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} catch (InvalidUrlException $e) {
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// getUrl failed because no valid URL could be returned, just ignore it
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}
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/**
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* Here we add some hacky hotfixes for remote lookups that have been taught the
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* (at least now) wrong URI but it's still obviously the same user. Such as:
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* - https://site.example/user/1 even if the client requests https://site.example/index.php/user/1
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* - https://site.example/user/1 even if the client requests https://site.example//index.php/user/1
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* - https://site.example/index.php/user/1 even if the client requests https://site.example/user/1
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* - https://site.example/index.php/user/1 even if the client requests https://site.example///index.php/user/1
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*/
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foreach(array_keys($aliases) as $alias) {
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try {
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// get a "fancy url" version of the alias, even without index.php/
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$alt_url = common_fake_local_fancy_url($alias);
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// store this as well so remote sites can be sure we really are the same profile
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$aliases[$alt_url] = true;
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} catch (Exception $e) {
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// Apparently we couldn't rewrite that, the $alias was as the function wanted it to be
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}
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try {
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// get a non-"fancy url" version of the alias, i.e. add index.php/
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$alt_url = common_fake_local_nonfancy_url($alias);
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// store this as well so remote sites can be sure we really are the same profile
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$aliases[$alt_url] = true;
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} catch (Exception $e) {
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// Apparently we couldn't rewrite that, the $alias was as the function wanted it to be
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}
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}
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// return a unique set of aliases by extracting only the keys
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return array_keys($aliases);
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}
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abstract public function updateXRD(XML_XRD $xrd);
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}
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