xref: /plugin/combo/action/router.php (revision ecf8d73880da1de492c3ff7b6f8789098fa42e30)
1c3437056SNickeau<?php
2c3437056SNickeau
3c3437056SNickeau
411d09b86Sgerardnicouse ComboStrap\DokuwikiId;
504fd306cSNickeauuse ComboStrap\ExceptionBadArgument;
604fd306cSNickeauuse ComboStrap\ExceptionBadSyntax;
704fd306cSNickeauuse ComboStrap\ExceptionCompile;
8b1aef534SNicouse ComboStrap\ExceptionNotFound;
904fd306cSNickeauuse ComboStrap\ExceptionSqliteNotAvailable;
1004fd306cSNickeauuse ComboStrap\ExecutionContext;
1104fd306cSNickeauuse ComboStrap\FileSystems;
12c3437056SNickeauuse ComboStrap\HttpResponse;
1304fd306cSNickeauuse ComboStrap\HttpResponseStatus;
14c3437056SNickeauuse ComboStrap\Identity;
15c3437056SNickeauuse ComboStrap\LogUtility;
1604fd306cSNickeauuse ComboStrap\MarkupPath;
17c3437056SNickeauuse ComboStrap\Mime;
18c3437056SNickeauuse ComboStrap\PageRules;
1945a874f4SNicouse ComboStrap\Router;
2045a874f4SNicouse ComboStrap\RouterRedirection;
2145a874f4SNicouse ComboStrap\RouterRedirectionBuilder;
22c3437056SNickeauuse ComboStrap\Site;
2304fd306cSNickeauuse ComboStrap\SiteConfig;
24c3437056SNickeauuse ComboStrap\Sqlite;
2504fd306cSNickeauuse ComboStrap\Web\Url;
2611d09b86Sgerardnicouse ComboStrap\Web\UrlEndpoint;
2754743e42Sgerardnicouse ComboStrap\Web\UrlRewrite;
28c3437056SNickeau
2904fd306cSNickeaurequire_once(__DIR__ . '/../vendor/autoload.php');
30c3437056SNickeau
31c3437056SNickeau/**
32c3437056SNickeau * Class action_plugin_combo_url
33c3437056SNickeau *
34c3437056SNickeau * The actual URL manager
35c3437056SNickeau *
36c3437056SNickeau *
37c3437056SNickeau */
38c3437056SNickeauclass action_plugin_combo_router extends DokuWiki_Action_Plugin
39c3437056SNickeau{
40c3437056SNickeau
41c3437056SNickeau    /**
42c3437056SNickeau     * @deprecated
43c3437056SNickeau     */
44c3437056SNickeau    const URL_MANAGER_ENABLE_CONF = "enableUrlManager";
45c3437056SNickeau    const ROUTER_ENABLE_CONF = "enableRouter";
46c3437056SNickeau
47c3437056SNickeau
48c3437056SNickeau    // Where the target id value comes from
49c3437056SNickeau
50c3437056SNickeau
51c3437056SNickeau    // The constant parameters
52c3437056SNickeau
53c3437056SNickeau    /** @var string - a name used in log and other places */
54c3437056SNickeau    const NAME = 'Url Manager';
55c3437056SNickeau    const CANONICAL = 'router';
56c3437056SNickeau    const PAGE_404 = "<html lang=\"en\"><body></body></html>";
57c3437056SNickeau    const REFRESH_HEADER_NAME = "Refresh";
58c3437056SNickeau    const REFRESH_HEADER_PREFIX = self::REFRESH_HEADER_NAME . ': 0;url=';
5904fd306cSNickeau    const LOCATION_HEADER_PREFIX = HttpResponse::LOCATION_HEADER_NAME . ": ";
60c3437056SNickeau    public const URL_MANAGER_NAME = "Router";
61c3437056SNickeau
62c3437056SNickeau
63c3437056SNickeau    /**
64c3437056SNickeau     * @var PageRules
65c3437056SNickeau     */
66c3437056SNickeau    private $pageRules;
67c3437056SNickeau
68c3437056SNickeau
69c3437056SNickeau    function __construct()
70c3437056SNickeau    {
71c3437056SNickeau        // enable direct access to language strings
72c3437056SNickeau        // ie $this->lang
73c3437056SNickeau        $this->setupLocale();
74c3437056SNickeau
75c3437056SNickeau    }
76c3437056SNickeau
77c3437056SNickeau    /**
7804fd306cSNickeau     * @param string $refreshHeader
79c3437056SNickeau     * @return false|string
80c3437056SNickeau     */
8104fd306cSNickeau    public static function getUrlFromRefresh(string $refreshHeader)
82c3437056SNickeau    {
83c3437056SNickeau        return substr($refreshHeader, strlen(action_plugin_combo_router::REFRESH_HEADER_PREFIX));
84c3437056SNickeau    }
85c3437056SNickeau
86c3437056SNickeau    public static function getUrlFromLocation($refreshHeader)
87c3437056SNickeau    {
88c3437056SNickeau        return substr($refreshHeader, strlen(action_plugin_combo_router::LOCATION_HEADER_PREFIX));
89c3437056SNickeau    }
90c3437056SNickeau
91c3437056SNickeau
92c3437056SNickeau    /**
93c3437056SNickeau     * Determine if the request should be banned based on the id
94c3437056SNickeau     *
95c3437056SNickeau     * @param string $id
96c3437056SNickeau     * @return bool
97c3437056SNickeau     *
98c3437056SNickeau     * See also {@link https://perishablepress.com/7g-firewall/#features}
99c3437056SNickeau     * for blocking rules on http request data such as:
100c3437056SNickeau     *   * query_string
101c3437056SNickeau     *   * user_agent,
102c3437056SNickeau     *   * remote host
103c3437056SNickeau     */
104c3437056SNickeau    public static function isShadowBanned(string $id): bool
105c3437056SNickeau    {
106c3437056SNickeau        /**
107c3437056SNickeau         * ie
108c3437056SNickeau         * wp-json:api:flutter_woo:config_file
109c3437056SNickeau         * wp-content:plugins:wpdiscuz:themes:default:style-rtl.css
110c3437056SNickeau         * wp-admin
111c3437056SNickeau         * 2020:wp-includes:wlwmanifest.xml
112c3437056SNickeau         * wp-content:start
113c3437056SNickeau         * wp-admin:css:start
114c3437056SNickeau         * sito:wp-includes:wlwmanifest.xml
115c3437056SNickeau         * site:wp-includes:wlwmanifest.xml
116c3437056SNickeau         * cms:wp-includes:wlwmanifest.xml
117c3437056SNickeau         * test:wp-includes:wlwmanifest.xml
118c3437056SNickeau         * media:wp-includes:wlwmanifest.xml
119c3437056SNickeau         * wp2:wp-includes:wlwmanifest.xml
120c3437056SNickeau         * 2019:wp-includes:wlwmanifest.xml
121c3437056SNickeau         * shop:wp-includes:wlwmanifest.xml
122c3437056SNickeau         * wp1:wp-includes:wlwmanifest.xml
123c3437056SNickeau         * news:wp-includes:wlwmanifest.xml
124c3437056SNickeau         * 2018:wp-includes:wlwmanifest.xml
125c3437056SNickeau         */
126c3437056SNickeau        if (strpos($id, 'wp-') !== false) {
127c3437056SNickeau            return true;
128c3437056SNickeau        }
129c3437056SNickeau
130c3437056SNickeau        /**
131c3437056SNickeau         * db:oracle:long_or_1_utl_inaddr.get_host_address_chr_33_chr_126_chr_33_chr_65_chr_66_chr_67_chr_49_chr_52_chr_53_chr_90_chr_81_chr_54_chr_50_chr_68_chr_87_chr_81_chr_65_chr_70_chr_80_chr_79_chr_73_chr_89_chr_67_chr_70_chr_68_chr_33_chr_126_chr_33
132c3437056SNickeau         * db:oracle:999999.9:union:all:select_null:from_dual
133c3437056SNickeau         * db:oracle:999999.9:union:all:select_null:from_dual_and_0_0
134c3437056SNickeau         */
135c3437056SNickeau        if (preg_match('/_chr_|_0_0/', $id) === 1) {
136c3437056SNickeau            return true;
137c3437056SNickeau        }
138c3437056SNickeau
139c3437056SNickeau
140c3437056SNickeau        /**
141c3437056SNickeau         * ie
142c3437056SNickeau         * git:objects:
143c3437056SNickeau         * git:refs:heads:stable
144c3437056SNickeau         * git:logs:refs:heads:main
145c3437056SNickeau         * git:logs:refs:heads:stable
146c3437056SNickeau         * git:hooks:pre-push.sample
147c3437056SNickeau         * git:hooks:pre-receive.sample
148c3437056SNickeau         */
149c3437056SNickeau        if (strpos($id, "git:") === 0) {
150c3437056SNickeau            return true;
151c3437056SNickeau        }
152c3437056SNickeau
153c3437056SNickeau        return false;
154c3437056SNickeau
155c3437056SNickeau    }
156c3437056SNickeau
157c3437056SNickeau    /**
158c3437056SNickeau     * @param string $id
159c3437056SNickeau     * @return bool
160c3437056SNickeau     * well-known:traffic-advice = https://github.com/buettner/private-prefetch-proxy/blob/main/traffic-advice.md
161c3437056SNickeau     * .well-known/security.txt, id=well-known:security.txt = https://securitytxt.org/
162c3437056SNickeau     * well-known:dnt-policy.txt
163c3437056SNickeau     */
164c3437056SNickeau    public static function isWellKnownFile(string $id): bool
165c3437056SNickeau    {
166c3437056SNickeau        return strpos($id, "well-known") === 0;
167c3437056SNickeau    }
168c3437056SNickeau
169c3437056SNickeau
170c3437056SNickeau    function register(Doku_Event_Handler $controller)
171c3437056SNickeau    {
172c3437056SNickeau
17304fd306cSNickeau        if (SiteConfig::getConfValue(self::ROUTER_ENABLE_CONF, 1)) {
17404fd306cSNickeau
175c3437056SNickeau            /**
176c3437056SNickeau             * This will call the function {@link action_plugin_combo_router::_router()}
177c3437056SNickeau             * The event is not DOKUWIKI_STARTED because this is not the first one
178c3437056SNickeau             *
179c3437056SNickeau             * https://www.dokuwiki.org/devel:event:init_lang_load
180c3437056SNickeau             */
181c3437056SNickeau            $controller->register_hook('DOKUWIKI_STARTED',
18204fd306cSNickeau                'BEFORE',
183c3437056SNickeau                $this,
184c3437056SNickeau                'router',
185c3437056SNickeau                array());
186c3437056SNickeau
187c3437056SNickeau            /**
1885187326aSNico             * Bot Ban functionality
189c3437056SNickeau             *
1905187326aSNico             * Because we make a redirection to the home page, we need to check
1915187326aSNico             * if the home is readable, for that, the AUTH plugin needs to be initialized
1925187326aSNico             * That's why we wait
1935187326aSNico             * https://www.dokuwiki.org/devel:event:dokuwiki_init_done
1945187326aSNico             *
1955187326aSNico             * and we can't use
196c3437056SNickeau             * https://www.dokuwiki.org/devel:event:init_lang_load
1975187326aSNico             * because there is no auth setup in {@link auth_aclcheck_cb()}
1985187326aSNico             * and the the line `if (!$auth instanceof AuthPlugin) return AUTH_NONE;` return none;
199c3437056SNickeau             */
2005187326aSNico            $controller->register_hook('DOKUWIKI_INIT_DONE', 'BEFORE', $this, 'ban', array());
201c3437056SNickeau
202c3437056SNickeau        }
203c3437056SNickeau
204c3437056SNickeau
205c3437056SNickeau    }
206c3437056SNickeau
207c3437056SNickeau    /**
208c3437056SNickeau     *
209c3437056SNickeau     * We have created a spacial ban function that is
210c3437056SNickeau     * called before the first function
211c3437056SNickeau     * {@link action_plugin_combo_metalang::load_lang()}
212c3437056SNickeau     * to spare CPU.
213c3437056SNickeau     *
214c3437056SNickeau     * @param $event
215c3437056SNickeau     * @throws Exception
216c3437056SNickeau     */
217c3437056SNickeau    function ban(&$event)
218c3437056SNickeau    {
219c3437056SNickeau
22045a874f4SNico        $id = Router::getOriginalIdFromRequest();
22106ecf9e7Sgerardnico        if ($id === null) {
22206ecf9e7Sgerardnico            return;
22306ecf9e7Sgerardnico        }
22404fd306cSNickeau        $page = MarkupPath::createMarkupFromId($id);
2255187326aSNico        if (FileSystems::exists($page)) {
2265187326aSNico            return;
2275187326aSNico        }
2285187326aSNico
229c3437056SNickeau        // Well known
230c3437056SNickeau        if (self::isWellKnownFile($id)) {
23145a874f4SNico            $redirection = RouterRedirectionBuilder::createFromOrigin(RouterRedirection::TARGET_ORIGIN_WELL_KNOWN)
23245a874f4SNico                ->setType(RouterRedirection::REDIRECT_NOTFOUND_METHOD)
23345a874f4SNico                ->build();
23445a874f4SNico            $this->logRedirection($redirection);
23504fd306cSNickeau            ExecutionContext::getActualOrCreateFromEnv()
23604fd306cSNickeau                ->response()
23704fd306cSNickeau                ->setStatus(HttpResponseStatus::NOT_FOUND)
23804fd306cSNickeau                ->end();
239c3437056SNickeau            return;
240c3437056SNickeau        }
241c3437056SNickeau
242c3437056SNickeau        // Shadow banned
243c3437056SNickeau        if (self::isShadowBanned($id)) {
24445a874f4SNico            $webSiteHomePage = MarkupPath::createMarkupFromId(Site::getIndexPageName());
24545a874f4SNico            $redirection = RouterRedirectionBuilder::createFromOrigin(RouterRedirection::TARGET_ORIGIN_SHADOW_BANNED)
24645a874f4SNico                ->setType(RouterRedirection::REDIRECT_TRANSPARENT_METHOD)
24745a874f4SNico                ->setTargetMarkupPath($webSiteHomePage)
24845a874f4SNico                ->build();
24945a874f4SNico            $this->executeTransparentRedirect($redirection);
250c3437056SNickeau        }
2515187326aSNico
252c3437056SNickeau    }
253c3437056SNickeau
254c3437056SNickeau    /**
255c3437056SNickeau     * @param $event Doku_Event
256c3437056SNickeau     * @param $param
257c3437056SNickeau     * @return void
258c3437056SNickeau     */
25945a874f4SNico    function router(Doku_Event &$event, $param)
260c3437056SNickeau    {
261c3437056SNickeau
26204fd306cSNickeau        /**
26304fd306cSNickeau         * Just the {@link ExecutionContext::SHOW_ACTION}
26404fd306cSNickeau         * may be redirected
26504fd306cSNickeau         */
26604fd306cSNickeau        $executionContext = ExecutionContext::getActualOrCreateFromEnv();
26704fd306cSNickeau        if ($executionContext->getExecutingAction() !== ExecutionContext::SHOW_ACTION) {
26804fd306cSNickeau            return;
26904fd306cSNickeau        }
270c3437056SNickeau
27145a874f4SNico
27245a874f4SNico        /**
273*ecf8d738SNico         * If the ID is a permalink, it is already the real id
274*ecf8d738SNico         * Why? because unfortunately, DOKUWIKI_STARTED is not the first event
275*ecf8d738SNico         * {@link action_plugin_combo_lang::load_lang()} may have already
276*ecf8d738SNico         * transformed a permalink into a real dokuwiki id
27745a874f4SNico         */
278*ecf8d738SNico        global $ID;
279*ecf8d738SNico        $page = MarkupPath::createMarkupFromId($ID);
28045a874f4SNico        if (FileSystems::exists($page)) {
28145a874f4SNico            return;
28245a874f4SNico        }
28345a874f4SNico
28445a874f4SNico        /**
28545a874f4SNico         * Doku Rewrite is not supported
28645a874f4SNico         */
28754743e42Sgerardnico        $urlRewrite = Site::getUrlRewrite();
28854743e42Sgerardnico        if ($urlRewrite == UrlRewrite::VALUE_DOKU_REWRITE) {
28954743e42Sgerardnico            UrlRewrite::sendErrorMessage();
29054743e42Sgerardnico            return;
29154743e42Sgerardnico        }
292c3437056SNickeau
293c3437056SNickeau        /**
29445a874f4SNico         * Try to find a redirection
295c3437056SNickeau         */
29645a874f4SNico        $router = new Router();
29704fd306cSNickeau        try {
29845a874f4SNico            $redirection = $router->getRedirection();
29904fd306cSNickeau        } catch (ExceptionSqliteNotAvailable $e) {
30045a874f4SNico            // no Sql Lite
301c3437056SNickeau            return;
302b1aef534SNico        } catch (ExceptionNotFound $e) {
30345a874f4SNico            // no redirection
304c3437056SNickeau            return;
30545a874f4SNico        } catch (Exception $e) {
30645a874f4SNico            // Error
30745a874f4SNico            LogUtility::error("An unexpected error has occurred while trying to get a redirection", LogUtility::SUPPORT_CANONICAL, $e);
308c3437056SNickeau            return;
309c3437056SNickeau        }
310c3437056SNickeau
311c3437056SNickeau
312c3437056SNickeau        /**
31345a874f4SNico         * Special Mode where the redirection is just a change of ACT
314c3437056SNickeau         */
31545a874f4SNico        if ($redirection->getOrigin() === Router::GO_TO_EDIT_MODE) {
316c3437056SNickeau            global $ACT;
317c3437056SNickeau            $ACT = 'edit';
31845a874f4SNico            return;
31945a874f4SNico        }
32045a874f4SNico
32145a874f4SNico        /**
32245a874f4SNico         * Other redirections
32345a874f4SNico         */
32445a874f4SNico        switch ($redirection->getType()) {
32545a874f4SNico            case RouterRedirection::REDIRECT_TRANSPARENT_METHOD:
32645a874f4SNico                try {
32745a874f4SNico                    $this->executeTransparentRedirect($redirection);
32845a874f4SNico                } catch (ExceptionCompile $e) {
32945a874f4SNico                    LogUtility::error("Internal Error: A transparent redirect errors has occurred", LogUtility::SUPPORT_CANONICAL, $e);
33045a874f4SNico                }
33145a874f4SNico                return;
33245a874f4SNico            default:
33345a874f4SNico                try {
33445a874f4SNico                    $this->executeHttpRedirect($redirection);
33545a874f4SNico                } catch (ExceptionCompile $e) {
33645a874f4SNico                    LogUtility::error("Internal Error: A http redirect errors has occurred", LogUtility::SUPPORT_CANONICAL, $e);
33745a874f4SNico                }
33845a874f4SNico        }
33945a874f4SNico
340c3437056SNickeau
341c3437056SNickeau    }
342c3437056SNickeau
343c3437056SNickeau
344c3437056SNickeau    /**
345c3437056SNickeau     * Redirect to an internal page ie:
346c3437056SNickeau     *   * on the same domain
347c3437056SNickeau     *   * no HTTP redirect
348c3437056SNickeau     *   * id rewrite
349*ecf8d738SNico     * It happens when we use the id in the URL
35045a874f4SNico     * @param RouterRedirection $redirection - target page id
35145a874f4SNico     * @return void - return true if the user has the permission and that the redirect was done
35245a874f4SNico     * @throws ExceptionCompile
353c3437056SNickeau     */
354c3437056SNickeau    private
35545a874f4SNico    function executeTransparentRedirect(RouterRedirection $redirection): void
356c3437056SNickeau    {
35745a874f4SNico        $markupPath = $redirection->getTargetMarkupPath();
35845a874f4SNico        if ($markupPath === null) {
35945a874f4SNico            throw new ExceptionCompile("A transparent redirect should have a wiki path. Origin {$redirection->getOrigin()}");
360c3437056SNickeau        }
36145a874f4SNico        $targetPageId = $redirection->getTargetMarkupPath()->toAbsoluteId();
362c3437056SNickeau
363c3437056SNickeau        // If the user does not have the right to see the target page
364c3437056SNickeau        // don't do anything
365c3437056SNickeau        if (!(Identity::isReader($targetPageId))) {
36645a874f4SNico            return;
367c3437056SNickeau        }
368c3437056SNickeau
369c3437056SNickeau        // Change the id
370c3437056SNickeau        global $ID;
371c3437056SNickeau        global $INFO;
372c3437056SNickeau        $sourceId = $ID;
373c3437056SNickeau        $ID = $targetPageId;
37404fd306cSNickeau        if (isset($_REQUEST["id"])) {
37504fd306cSNickeau            $_REQUEST["id"] = $targetPageId;
37604fd306cSNickeau        }
37704fd306cSNickeau        if (isset($_GET["id"])) {
37804fd306cSNickeau            $_GET["id"] = $targetPageId;
37904fd306cSNickeau        }
3804cadd4f8SNickeau
381c3437056SNickeau        /**
3824cadd4f8SNickeau         * Refresh the $INFO data
3834cadd4f8SNickeau         *
3844cadd4f8SNickeau         * the info attributes are used elsewhere
3854cadd4f8SNickeau         *   'id': for the sidebar
3864cadd4f8SNickeau         *   'exist' : for the meta robot = noindex,follow, see {@link tpl_metaheaders()}
3874cadd4f8SNickeau         *   'rev' : for the edit button to be sure that the page is still the same
388c3437056SNickeau         */
3894cadd4f8SNickeau        $INFO = pageinfo();
390c3437056SNickeau
391c3437056SNickeau        /**
392c3437056SNickeau         * Not compatible with
393c3437056SNickeau         * https://www.dokuwiki.org/config:send404 is enabled
394c3437056SNickeau         *
395c3437056SNickeau         * This check happens before that dokuwiki is started
396c3437056SNickeau         * and send an header in doku.php
397c3437056SNickeau         *
398c3437056SNickeau         * We send a warning
399c3437056SNickeau         */
400c3437056SNickeau        global $conf;
40145a874f4SNico        if ($conf['send404']) {
402c3437056SNickeau            LogUtility::msg("The <a href=\"https://www.dokuwiki.org/config:send404\">dokuwiki send404 configuration</a> is on and should be disabled when using the url manager", LogUtility::LVL_MSG_ERROR, self::CANONICAL);
403c3437056SNickeau        }
404c3437056SNickeau
405c3437056SNickeau        // Redirection
40645a874f4SNico        $this->logRedirection($redirection);
407c3437056SNickeau
408c3437056SNickeau    }
409c3437056SNickeau
410c3437056SNickeau
411c3437056SNickeau    /**
412c3437056SNickeau     * The general HTTP Redirect method to an internal page
413c3437056SNickeau     * where the redirection method decide which type of redirection
41445a874f4SNico     * @throws ExceptionCompile - if any error
415c3437056SNickeau     */
416c3437056SNickeau    private
41745a874f4SNico    function executeHttpRedirect(RouterRedirection $redirection): void
418c3437056SNickeau    {
419c3437056SNickeau
420c3437056SNickeau
421c3437056SNickeau        // Log the redirections
42245a874f4SNico        $this->logRedirection($redirection);
423c3437056SNickeau
424c3437056SNickeau
42545a874f4SNico        $targetUrl = $redirection->getTargetUrl();
42604fd306cSNickeau
42745a874f4SNico        if ($targetUrl !== null) {
428c3437056SNickeau
429c3437056SNickeau            // defend against HTTP Response Splitting
430c3437056SNickeau            // https://owasp.org/www-community/attacks/HTTP_Response_Splitting
43145a874f4SNico            $targetUrl = stripctl($targetUrl->toAbsoluteUrlString());
43245a874f4SNico
433c3437056SNickeau
434c3437056SNickeau        } else {
435c3437056SNickeau
43645a874f4SNico            global $ID;
437c3437056SNickeau
438c3437056SNickeau            // if this is search engine redirect
43945a874f4SNico            $url = UrlEndpoint::createDokuUrl();
44045a874f4SNico            switch ($redirection->getOrigin()) {
44145a874f4SNico                case RouterRedirection::TARGET_ORIGIN_SEARCH_ENGINE:
44245a874f4SNico                {
443c3437056SNickeau                    $replacementPart = array(':', '_', '-');
444c3437056SNickeau                    $query = str_replace($replacementPart, ' ', $ID);
44511d09b86Sgerardnico                    $url->setQueryParameter(ExecutionContext::DO_ATTRIBUTE, ExecutionContext::SEARCH_ACTION);
44611d09b86Sgerardnico                    $url->setQueryParameter("q", $query);
44745a874f4SNico                    $url->setQueryParameter(DokuwikiId::DOKUWIKI_ID_ATTRIBUTE, $ID);
44845a874f4SNico                    break;
44945a874f4SNico                }
45045a874f4SNico                default:
45145a874f4SNico
45245a874f4SNico                    $markupPath = $redirection->getTargetMarkupPath();
45345a874f4SNico                    if ($markupPath == null) {
45445a874f4SNico                        // should not happen (Both may be null but only on edit mode)
45545a874f4SNico                        throw new ExceptionCompile("Internal Error When executing a http redirect, the URL or the wiki page should not be null");
45645a874f4SNico                    }
45745a874f4SNico                    $url->setQueryParameter(DokuwikiId::DOKUWIKI_ID_ATTRIBUTE, $markupPath->toAbsoluteId());
45845a874f4SNico
45945a874f4SNico
460c3437056SNickeau            }
461c3437056SNickeau
4625b0932efSgerardnico            /**
4635b0932efSgerardnico             * Doing a permanent redirect with a added query string
4645b0932efSgerardnico             * create a new page url on the search engine
4655b0932efSgerardnico             *
4665b0932efSgerardnico             * ie
4675b0932efSgerardnico             * http://host/page
4685b0932efSgerardnico             * is not the same
4695b0932efSgerardnico             * than
4705b0932efSgerardnico             * http://host/page?whatever
4715b0932efSgerardnico             *
4725b0932efSgerardnico             * We can't pass query string otherwise, we get
47349b8fb24Sgerardnico             * the SEO warning / error
4745b0932efSgerardnico             * `Alternative page with proper canonical tag`
47511d09b86Sgerardnico             *
47611d09b86Sgerardnico             * Use HTTP X header for debug
4775b0932efSgerardnico             */
47845a874f4SNico            if ($redirection->getType() !== RouterRedirection::REDIRECT_PERMANENT_METHOD) {
47911d09b86Sgerardnico                $url->setQueryParameter(action_plugin_combo_routermessage::ORIGIN_PAGE, $ID);
48045a874f4SNico                $url->setQueryParameter(action_plugin_combo_routermessage::ORIGIN_TYPE, $redirection->getOrigin());
4815b0932efSgerardnico            }
4825b0932efSgerardnico
48345a874f4SNico
48411d09b86Sgerardnico            $targetUrl = $url->toAbsoluteUrlString();
485c3437056SNickeau
48645a874f4SNico
48745a874f4SNico        }
48845a874f4SNico
48945a874f4SNico
49045a874f4SNico        /**
49145a874f4SNico         * Check that we are not redirecting to the same URL
49245a874f4SNico         * to avoid the TOO_MANY_REDIRECT error
49345a874f4SNico         */
49445a874f4SNico        $requestURL = Url::createFromString($_SERVER['REQUEST_URI'])->toAbsoluteUrlString();
49545a874f4SNico        if ($requestURL === $targetUrl) {
49645a874f4SNico            throw new ExceptionCompile("A redirection should not redirect to the requested URL. Redirection Origin: {$redirection->getOrigin()}, Redirection URL:{$targetUrl} ");
497c3437056SNickeau        }
498c3437056SNickeau
499c3437056SNickeau        /**
500c3437056SNickeau         * The dokuwiki function {@link send_redirect()}
501c3437056SNickeau         * set the `Location header` and in php, the header function
502c3437056SNickeau         * in this case change the status code to 302 Arghhhh.
503c3437056SNickeau         * The code below is adapted from this function {@link send_redirect()}
504c3437056SNickeau         */
505c3437056SNickeau        global $MSG; // are there any undisplayed messages? keep them in session for display
506c3437056SNickeau        if (isset($MSG) && count($MSG) && !defined('NOSESSION')) {
507c3437056SNickeau            //reopen session, store data and close session again
508c3437056SNickeau            @session_start();
509c3437056SNickeau            $_SESSION[DOKU_COOKIE]['msg'] = $MSG;
510c3437056SNickeau        }
511c3437056SNickeau        session_write_close(); // always close the session
512c3437056SNickeau
51345a874f4SNico        switch ($redirection->getType()) {
5145b0932efSgerardnico
51545a874f4SNico            case RouterRedirection::REDIRECT_PERMANENT_METHOD:
51604fd306cSNickeau                ExecutionContext::getActualOrCreateFromEnv()
51704fd306cSNickeau                    ->response()
51804fd306cSNickeau                    ->setStatus(HttpResponseStatus::PERMANENT_REDIRECT)
519c3437056SNickeau                    ->addHeader(self::LOCATION_HEADER_PREFIX . $targetUrl)
52004fd306cSNickeau                    ->end();
52145a874f4SNico                return;
5225b0932efSgerardnico
52345a874f4SNico            case RouterRedirection::REDIRECT_NOTFOUND_METHOD:
5245b0932efSgerardnico
525c3437056SNickeau                // Empty 404 body to not get the standard 404 page of the browser
526c3437056SNickeau                // but a blank page to avoid a sort of FOUC.
527c3437056SNickeau                // ie the user see a page briefly
52804fd306cSNickeau                ExecutionContext::getActualOrCreateFromEnv()
52904fd306cSNickeau                    ->response()
53004fd306cSNickeau                    ->setStatus(HttpResponseStatus::NOT_FOUND)
531c3437056SNickeau                    ->addHeader(self::REFRESH_HEADER_PREFIX . $targetUrl)
53204fd306cSNickeau                    ->setBody(self::PAGE_404, Mime::getHtml())
53304fd306cSNickeau                    ->end();
53445a874f4SNico                return;
535c3437056SNickeau
536c3437056SNickeau            default:
53745a874f4SNico                throw new ExceptionCompile("The type ({$redirection->getType()}) is not an http redirection");
538c3437056SNickeau
539c3437056SNickeau        }
540c3437056SNickeau
541c3437056SNickeau
542c3437056SNickeau    }
543c3437056SNickeau
544c3437056SNickeau
545c3437056SNickeau    /**
546c3437056SNickeau     *
547c3437056SNickeau     *   * For a conf file, it will update the Redirection Action Data as Referrer, Count Of Redirection, Redirection Date
548c3437056SNickeau     *   * For a SQlite database, it will add a row into the log
549c3437056SNickeau     *
550c3437056SNickeau     * @param string $sourcePageId
551c3437056SNickeau     * @param $targetPageId
552c3437056SNickeau     * @param $algorithmic
553c3437056SNickeau     * @param $method - http or rewrite
554c3437056SNickeau     */
55545a874f4SNico    function logRedirection(RouterRedirection $redirection)
556c3437056SNickeau    {
55745a874f4SNico        global $ID;
558c3437056SNickeau
559c3437056SNickeau        $row = array(
560c3437056SNickeau            "TIMESTAMP" => date("c"),
56145a874f4SNico            "SOURCE" => $ID,
56245a874f4SNico            "TARGET" => $redirection->getTargetAsString(),
56370bbd7f1Sgerardnico            "REFERRER" => $_SERVER['HTTP_REFERER'] ?? null,
56445a874f4SNico            "TYPE" => $redirection->getOrigin(),
56545a874f4SNico            "METHOD" => $redirection->getType()
566c3437056SNickeau        );
56745a874f4SNico        try {
568c3437056SNickeau            $request = Sqlite::createOrGetBackendSqlite()
569c3437056SNickeau                ->createRequest()
570c3437056SNickeau                ->setTableRow('redirections_log', $row);
57145a874f4SNico        } catch (ExceptionSqliteNotAvailable $e) {
57245a874f4SNico            return;
57345a874f4SNico        }
574c3437056SNickeau        try {
575c3437056SNickeau            $request
576c3437056SNickeau                ->execute();
57704fd306cSNickeau        } catch (ExceptionCompile $e) {
578c3437056SNickeau            LogUtility::msg("Redirection Log Insert Error. {$e->getMessage()}");
579c3437056SNickeau        } finally {
580c3437056SNickeau            $request->close();
581c3437056SNickeau        }
582c3437056SNickeau
583c3437056SNickeau
584c3437056SNickeau    }
585c3437056SNickeau
586c3437056SNickeau
587c3437056SNickeau}
588