xref: /plugin/siteexport/action/ajax.php (revision ad37ef9aeaceb67ea5c851c95055e4dc4d650b17)
1<?php
2/**
3 * Site Export Plugin
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     i-net software <tools@inetsoftware.de>
7 * @author     Gerry Weissbach <gweissbach@inetsoftware.de>
8 */
9
10// must be run within Dokuwiki
11if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../../../').'/');
12if(!defined('DOKU_PLUGIN')) {
13    // Just for sanity
14    require_once(DOKU_INC.'inc/plugin.php');
15    define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
16}
17
18require_once(DOKU_PLUGIN.'action.php');
19require_once(DOKU_INC.'/inc/search.php');
20
21require_once(DOKU_PLUGIN.'siteexport/inc/functions.php');
22require_once(DOKU_PLUGIN.'siteexport/inc/httpproxy.php');
23require_once(DOKU_PLUGIN.'siteexport/inc/filewriter.php');
24require_once(DOKU_PLUGIN.'siteexport/inc/toc.php');
25require_once(DOKU_PLUGIN.'siteexport/inc/javahelp.php');
26
27class action_plugin_siteexport_ajax extends DokuWiki_Action_Plugin
28{
29    /**
30     * New internal variables for better structure
31     */
32    private $filewriter = null;
33    public $functions = null;
34
35    // List of files that have already been checked
36    private $fileChecked = array();
37
38    // Namespace of the page to export
39    private $namespace = '';
40
41    /**
42     * Register Plugin in DW
43     **/
44    public function register(Doku_Event_Handler $controller) {
45        $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'ajax_siteexport_provider');
46        $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'siteexport_action');
47    }
48
49    /**
50     * AJAX Provider - check what is going to be done
51     * @param $event
52     * @param $args
53     */
54    function ajax_siteexport_provider(&$event, $args) {
55
56        // If this is not a siteexport call, ignore it.
57        if ( !strstr($event->data, '__siteexport' ) )
58        {
59            return;
60        }
61
62        $this->__init_functions(true);
63
64        switch( $event->data ) {
65            case '__siteexport_getsitelist': $this->ajax_siteexport_getsitelist( $event ); break;
66            case '__siteexport_addsite': $this->ajax_siteexport_addsite( $event ); break;
67            case '__siteexport_generateurl': $this->ajax_siteexport_generateurl( $event ); break;
68            case '__siteexport_aggregate': $this->ajax_siteexport_aggregate( $event ); break;
69        }
70    }
71
72    /**
73     * Export from a URL - action
74     * @param $event
75     */
76    function siteexport_action( &$event ) {
77        global $ID;
78
79        // Check if the 'do' was siteexport
80	    $command = is_array($event->data) ? array_shift(array_keys($event->data)) : $event->data;
81        if ( $command != 'siteexport' ) { return false; }
82		$event->data = act_clean($event->data);
83
84        if ( headers_sent() ) {
85            msg("The siteexport function has to be called prior to any header output.", -1);
86        }
87
88        $this->__init_functions();
89
90        $this->functions->debug->message("========================================", null, 1);
91        $this->functions->debug->message("Starting export from URL call", null, 1);
92        $this->functions->debug->message("----------------------------------------", null, 1);
93
94        $event->preventDefault();
95        $event->stopPropagation();
96
97        // Fake security Token if none given
98        if ( empty( $_REQUEST['sectok'] ) ) {
99            $_REQUEST['sectok'] = getSecurityToken();
100        }
101
102        // The timer will be used to do redirects if needed to prevent timeouts
103        $starttimer = time();
104        $timerdiff = $this->getConf('max_execution_time');
105
106        $data = $this->__get_siteexport_list_and_init_tocs($ID, !empty($_REQUEST['startcounter']));
107
108        if ( $data === false ) {
109            header("HTTP/1.0 401 Unauthorized");
110            print 'Unauthorized';
111            exit;
112        }
113
114        $counter = 0;
115
116        if ( count($data) == 0 && !$this->functions->settings->hasValidCacheFile ) {
117            exit( "No Data to export" );
118        }
119
120        foreach ( $data as $site ) {
121
122			if ( intval($site['exists']) == 1 || !isset($site['exists']) ) {
123
124	            // Skip over the amount of urls that have been exported already
125	            if ( empty($_REQUEST['startcounter']) || $counter >= intval($_REQUEST['startcounter']) ) {
126	                $status = $this->__siteexport_add_site($site['id']);
127
128			        if ( $status === false ) {
129				        $this->functions->debug->message("----------------------------------------", null, 1);
130				        $this->functions->debug->message("Errors during export from URL call", null, 1);
131				        $this->functions->debug->message("========================================", null, 1);
132						print $this->functions->debug->runtimeErrors;
133        			    exit(0); // We need to stop
134			        }
135	            }
136			}
137
138            $counter ++;
139            if ( time() - $starttimer >= $timerdiff ) {
140                $this->functions->debug->message("Will Redirect", null, 1);
141                $this->handleRuntimeErrorOutput();
142                $this->functions->startRedirctProcess($counter);
143            }
144        }
145
146        $this->functions->debug->message("----------------------------------------", null, 1);
147        $this->functions->debug->message("Finishing export from URL call", null, 1);
148        $this->functions->debug->message("========================================", null, 1);
149
150        $this->cleanCacheFiles();
151
152        $URL = ml($this->functions->settings->origZipFile, array('cache' => 'nocache', 'siteexport' => $this->functions->settings->pattern, 'sectok' => getSecurityToken()), true, '&');
153        $this->functions->debug->message("Redirecting to final file", $URL, 2);
154
155        $this->handleRuntimeErrorOutput();
156        send_redirect($URL);
157        exit(0); // Should not be reached, but anyways
158    }
159
160    private function handleRuntimeErrorOutput()
161    {
162        if ( !empty($this->functions->debug->runtimeErrors) )
163        {
164            $this->filewriter->__moveDataToZip($this->functions->debug->runtimeErrors, '_runtime_error/' . time() . '.html');
165        }
166    }
167
168    public function __init_functions($isAJAX=false)
169    {
170        global $conf;
171
172        $conf['useslash'] = 1;
173
174        $this->functions = new siteexport_functions(true, $isAJAX);
175        $this->filewriter = new siteexport_zipfilewriter($this->functions);
176
177        // Check for PDF Capabilities
178        if ( $this->filewriter->canDoPDF() ) {
179            $this->functions->settings->fileType = 'pdf';
180        }
181    }
182
183    /**
184     * Prepares the generated URL for direct download access
185     * Also gives back the parameters for this URL
186     * @param $event init event of the ajax request
187     */
188    function ajax_siteexport_prepareURL_and_POSTData( &$event ) {
189
190        $event->preventDefault();
191        $event->stopPropagation();
192
193        // Retrieve Information for download URL
194        $this->functions->debug->message("Prepared URL and POST from Request:", $_REQUEST, 2);
195        $url = $this->functions->prepare_POSTData($_REQUEST);
196        $combined = $this->functions->urlToPathAndParams($url);
197        list($path, $query) = explode('?', $combined, 2);
198        $return = array($url, $combined, $path, $query);
199
200        $this->functions->debug->message("Prepared URL and POST data:", $return, 2);
201        return $return;
202    }
203
204    /**
205     * Executes a Cron Job Action
206     * @param $event
207     */
208    function ajax_siteexport_cronaction( &$event )
209    {
210        $cronOverwriteExisting = intval($_REQUEST['cronOverwriteExisting']) == 1;
211        list($url, $combined) = $this->ajax_siteexport_prepareURL_and_POSTData($event);
212
213        if ( !$function =& plugin_load('cron', 'siteexport' ) )
214        {
215            $this->functions->debug->message("Tried to do an action with siteexport/cron, but the cron plugin is missing.", null, 4);
216        }
217
218        $status = null;
219        switch( $event->data ) {
220            case '__siteexport_savecron': $status = $function->saveCronDataWithParameters($combined, $cronOverwriteExisting); break;
221            case '__siteexport_deletecron': $status = $function->deleteCronDataWithParameters($combined); break;
222        }
223
224        if ( !empty($status) )
225        {
226            $this->functions->debug->message("Tried to do an action with siteexport/cron, but failed.", $status, 4);
227        }
228    }
229
230    /**
231     * generate direct access URL
232     **/
233    function ajax_siteexport_generateurl( &$event ) {
234
235        list($url, $combined, $path, $POSTData) = $this->ajax_siteexport_prepareURL_and_POSTData($event);
236
237        // WGET Redirects - this is an option for wget only.
238        // Calculate the maximum redirects that we want to allow. A Problem is that we don't know how long it will take to fetch one page
239        // Therefore we assume it takes about 5s for each page - that gives the freedom to have anough time for redirect.
240        $maxRedirectNumber = ceil( ( count($this->__get_siteexport_list($NS, true)) * 5) / $this->getConf('max_execution_time') );
241        $maxRedirect = $maxRedirectNumber > 0 ? '--max-redirect=' . ($maxRedirectNumber+3) . ' ' : '';
242        $maxRedirs = $maxRedirectNumber > 0 ? '--max-redirs ' . ($maxRedirectNumber+3) . ' ' : '';
243
244        $this->functions->debug->message("Generating Direct Download URL", $url, 2);
245
246        // If there was a Runtime Exception
247        if ( !$this->functions->debug->firstRE() ) {
248            $this->functions->debug->message("There have been errors while generating the download URLs.", null, 4);
249            return;
250        }
251
252        echo $url;
253        echo "\n";
254        echo 'wget ' . $maxRedirect . '--output-document=' . array_pop(explode(":", ($this->getConf('zipfilename')))) . ' --post-data="' . $POSTData . '" ' . wl(cleanID($path), null, true) . ' --http-user=USER --http-passwd=PASSWD';
255        echo "\n";
256        echo 'curl -L ' . $maxRedirs . '-o ' . array_pop(explode(":", ($this->getConf('zipfilename')))) . ' -d "' . $POSTData . '" ' . wl(cleanID($path), null, true) . ' --anyauth --user USER:PASSWD';
257        echo "\n";
258
259        $this->functions->debug->message("Checking for Cron parameters: ", $combined, 1);
260        if ( !$functions =& plugin_load('cron', 'siteexport' ) ||
261        !$functions->hasCronJobForParameters($combined) ) {
262            echo "false";
263        } else
264        {
265            echo "true";
266        }
267
268        return;
269    }
270
271    /**
272     * Get List of sites to be exported for AJAX (wrapper)
273     **/
274    function ajax_siteexport_getsitelist( &$event ) {
275
276        $event->preventDefault();
277        $event->stopPropagation();
278
279        $data = $this->__get_siteexport_list_and_init_tocs($_REQUEST['ns']);
280
281        // Important for reconaisance of the session
282
283        if ( $data === false )
284        {
285            $this->functions->debug->runtimeException("No data generated. List of Files is 'false'.");
286            return;
287        }
288
289        if ( empty($data) && !$this->functions->settings->hasValidCacheFile )
290        {
291            $this->functions->debug->runtimeException("Generated list is empty.");
292            return;
293        }
294
295        // If there was a Runtime Exception
296        if ( !$this->functions->debug->firstRE() )
297        {
298            $this->functions->debug->message("There have been errors while generating site list.", null, 4);
299            return;
300        }
301
302        echo "{$this->functions->settings->pattern}\n";
303        echo $this->functions->downloadURL() . "\n";
304        foreach($data as $line ){
305            echo $line['id'] . "\n";
306        }
307
308        return;
309    }
310
311    function ajax_siteexport_aggregate( &$event ) {
312
313        // Quick preparations for one page only
314        if ( $this->filewriter->hasValidCacheFile($_REQUEST, $data) ) {
315            $this->functions->debug->message("Had a valid cache file and will use it.", null, 2);
316            print $this->functions->downloadURL();
317
318            $event->preventDefault();
319            $event->stopPropagation();
320        } else {
321            // Then go for it!
322            $this->functions->debug->message("Will create a new cache thing.", null, 2);
323            $this->ajax_siteexport_addsite( $event );
324        }
325
326    }
327
328    /**
329     * Add a page to the package (for AJAX calls - Wrapper)
330     **/
331    function ajax_siteexport_addsite( &$event ) {
332
333        $event->preventDefault();
334        $event->stopPropagation();
335
336        $this->functions->debug->message("========================================", null, 1);
337        $this->functions->debug->message("Starting export from AJAX call", null, 1);
338        $this->functions->debug->message("----------------------------------------", null, 1);
339
340        $status = $this->__siteexport_add_site($_REQUEST['site']);
341        if ( $status === false ) {
342	        $this->functions->debug->message("----------------------------------------", null, 1);
343	        $this->functions->debug->message("Errors during export from AJAX call", null, 1);
344	        $this->functions->debug->message("========================================", null, 1);
345        	return;
346        }
347
348        $this->functions->debug->message("----------------------------------------", null, 1);
349        $this->functions->debug->message("Finishing export from AJAX call", null, 1);
350        $this->functions->debug->message("========================================", null, 1);
351
352        // Print the download zip-File
353        $this->cleanCacheFiles();
354
355        // If there was a Runtime Exception
356        if ( !$this->functions->debug->firstRE() ) {
357            $this->functions->debug->message("There have been errors during the export.", null, 4);
358            return;
359        }
360
361        print $this->functions->downloadURL();
362        return;
363    }
364
365    /**
366     * Fetch the list of pages to be exported
367     **/
368    function __get_siteexport_list($NS, $overrideCache=false) {
369        global $conf;
370
371        $NS = $this->namespace = $this->functions->getNamespaceFromID($NS, $PAGE);
372        $this->functions->debug->message("ROOT Namespace to export from: '{$NS}' / {$this->namespace}", null, 1);
373
374        $depth = $this->getConf('depth');
375        $query = '';
376        $doSearch = 'search_allpages';
377
378        switch( intval($_REQUEST['depthType']) ) {
379            case 0:
380                $query = $this->functions->cleanID(str_replace(":", "/", $NS.':'.$PAGE));
381                resolve_pageid($NS, $PAGE, $exists);
382
383                if ( $exists ) {
384                    $data = array( array( 'id' => $PAGE) );
385
386                    $this->functions->debug->message("Checking for Cache, depthType:0", null, 2);
387                    if ( !$overrideCache && $this->filewriter->hasValidCacheFile($_REQUEST, $data) )
388                    {
389                        return array();
390                    }
391
392                    return $data;
393                }
394            case 1:	$depth = 0;
395            break;
396            case 2:	$depth = intval($_REQUEST['depth']);
397            break;
398        }
399
400        $opts = array( 'depth' => $depth, 'skipacl' => $this->getConf('skipacl'), 'query' => $query);
401        $this->functions->debug->message("Options", $opts, 2);
402
403        $data = array();
404        require_once (DOKU_INC.'inc/search.php');
405
406        // Check, which TOC to take
407        if ( !$this->functions->settings->useTOCFile ) {
408            search($data, $conf['datadir'], $doSearch, $opts, $this->namespace);
409        } else {
410            $this->functions->debug->message("Using TOC for data", null, 2);
411
412            $doSearch = 'search_pagename';
413
414            // Create Data of the TOC File should be used instead
415            $opts['query'] = 'toc.txt';
416
417            $RAWdata = array();
418            search($RAWdata, $conf['datadir'], $doSearch, $opts, $this->namespace);
419
420            // There may be more than one toc and all of them have to be merged.
421            $data = array();
422            foreach( $RAWdata as $entry )
423            {
424                $tmpData = p_get_metadata($entry['id'], 'sitetoc siteexportTOC', true);
425
426                if ( is_array($tmpData) )
427                {
428                    $data = array_merge($data, $tmpData);
429                }
430            }
431        }
432
433        $this->functions->debug->message("Checking for Cache after lookup of pages", null, 2);
434        if ( !$overrideCache && $this->filewriter->hasValidCacheFile($_REQUEST, $data) )
435        {
436            return array();
437        }
438
439        $this->functions->debug->message("Exporting the following sites: ", $data, 2);
440        return $data;
441    }
442
443    function __get_siteexport_list_and_init_tocs($NS, $isRedirected=false ) {
444
445        // Clean up if not redirected
446        if ( !$isRedirected && !$this->__removeOldZip() ) {
447            $this->functions->debug->runtimeException("Can't remove old files.");
448            return false;
449        }
450
451        $data = $this->__get_siteexport_list($NS, $isRedirected);
452        if ( $isRedirected || empty($data) )
453        {
454            // if we have been redirected, simply return the data
455            $this->functions->debug->message("List is empty I guess. Used NS: '{$NS}' ", null, 1);
456            return $data;
457        }
458
459        // Create Eclipse Documentation Pages - TOC.xml, Context.xml
460        if ( !empty($_REQUEST['absolutePath']) ) $this->namespace = "";
461//        $this->__removeOldZip( $this->functions->settings->eclipseZipFile );
462
463        if ( !empty($_REQUEST['eclipseDocZip']) )
464        {
465            $toc = new siteexport_toc($this->functions);
466            $this->functions->debug->message("Generating eclipseDocZip", null, 2);
467            $this->filewriter->__moveDataToZip($toc->__getTOCXML($data), 'toc.xml');
468            $this->filewriter->__moveDataToZip($toc->__getContextXML($data), 'context.xml');
469        } else  if ( !empty($_REQUEST['JavaHelpDocZip']) )
470        {
471            $toc = new siteexport_javahelp($this->functions, $this->filewriter);
472            $toc->createTOCFiles($data);
473
474/*            $toc = new siteexport_toc($this->functions);
475            list($tocData, $mapData) = $toc->__getJavaHelpTOCXML($data);
476            $this->functions->debug->message("Generating JavaHelpDocZip", null, 2);
477            $this->filewriter->__moveDataToZip($tocData, 'toc.xml');
478            $this->filewriter->__moveDataToZip($mapData, 'map.xml');
479*/        }
480
481        return $data;
482    }
483
484    /**
485     * Add page with ID to the package
486     **/
487    function __siteexport_add_site( $ID ) {
488        global $conf, $currentID, $currentParent;
489
490        // Which is the current ID?
491        $currentID = $ID;
492
493        $this->functions->debug->message("========================================", null, 2);
494        $this->functions->debug->message("Adding Site: '$ID'", null, 2);
495        $this->functions->debug->message("----------------------------------------", $_REQUEST, 2);
496
497        $request = $this->functions->settings->additionalParameters;
498        unset($request['diPlu']); // This will not be needed for the first request.
499        unset($request['diInv']); // This will not be needed for the first request.
500
501        // say, what to export and Build URL
502        // http://documentation:81/helpdesk/de/hds/getting-started?depthType=0&do=siteexport&ens=helpdesk%3Ade%3Ahds%3Agetting-started&pdfExport=1&renderer=siteexport_siteexportpdf&template=helpdesk
503
504        $do = (intval($_REQUEST['exportbody']) == 1 ? (empty($_REQUEST['renderer']) ? $conf['renderer_xhtml'] : $_REQUEST['renderer'] ) : '' );
505
506        if ($do == 'pdf' && $this->filewriter->canDoPDF() )
507        {
508            $do = 'export_siteexport_pdf';
509            $_REQUEST['origRenderer'] = (empty($_REQUEST['renderer']) ? $conf['renderer_xhtml'] : $_REQUEST['renderer'] );
510        } else if ( $_REQUEST['renderer'] == 'dw2pdf' ) {
511            $do = 'pdf';
512        }
513
514        $do = ($do == $conf['renderer_xhtml'] && intval($_REQUEST['exportbody']) != 1) ? '' : 'export_' . $do;
515
516        if ( $do != 'export_' && !empty($do) )
517        {
518            $request['do'] = $do;
519        }
520
521        // set Template
522        if ( !empty( $_REQUEST['template'] ) ) {
523            $request['template'] = $_REQUEST['template'];
524        }
525
526        $this->functions->debug->message("REQUEST for add_site:", $request, 2);
527
528        $ID = $this->functions->cleanID($ID);
529        $url = $this->functions->wl($ID, $request, true, '&');
530
531        // Parse URI PATH and add "html"
532        $currentParent = $fileName = $this->functions->getSiteName($ID, true);
533        $this->functions->debug->message("Filename could be:", $fileName, 2);
534
535        $this->fileChecked[$url] = $fileName; // 2010-09-03 - One URL to one FileName
536        $this->functions->settings->depth = str_repeat('../', count(explode('/', $fileName))-1);
537
538        // fetch URL and save it in temp file
539        $tmpFile = $this->__getHTTPFile($url);
540        if ( $tmpFile === false ) {
541        	// return $this->functions->debug->message("Creating temporary download file failed for '$url'. See log for more information.");
542        	$this->functions->debug->runtimeException("Creating temporary download file failed for '$url'. See log for more information.");
543        	return false;
544        }
545
546        $dirname = dirname($fileName);
547        // If a Filename was given that does not comply to the original name, use this one!
548		if ( $this->filewriter->canDoPDF() ) {
549
550			$this->functions->debug->message("Will replace old filename '{$fileName}' with {$ID}", null, 1);
551			$extension = explode('.', $fileName);
552        	$extension = array_pop($extension);
553
554        	// 2014-04-29 added cleanID to ensure that links are generated consistently when using [[this>...]] or another local, relativ linking
555			$fileName = $dirname . '/' . $this->functions->cleanID($this->functions->getSiteTitle($ID)) . '.' . $extension;
556        } else if ( !empty($tmpFile[1]) && !strstr($DATA[2], $tmpFile[1]) ) {
557
558			$this->functions->debug->message("Will replace old filename '{$fileName}' with {$dirname}/{$tmpFile[1]}", null, 1);
559			$fileName = $dirname . '/' . $tmpFile[1];
560        }
561
562        // Add to zip
563		$this->fileChecked[$url] = $fileName;
564        $status = $this->filewriter->__addFileToZip($tmpFile[0], $fileName);
565        @unlink($tmpFile[0]);
566
567        return $status;
568    }
569
570    function __preg_quote($input) {
571	    return preg_quote($input, '/');
572    }
573
574    /**
575     * Download the file via HTTP URL + recurse if this is not an image
576     * The file will be saved as temporary file. The filename is the result.
577     **/
578    function __getHTTPFile($URL, $RECURSE=false, $newAdditionalParameters=null) {
579        global $conf;
580
581        $EXCLUDE = $this->getConf('exclude');
582        if ( !empty($EXCLUDE) ) {
583	        $PATTERN = "/(" . implode('|', explode(' ', preg_quote($EXCLUDE, '/'))) . ")/i";
584
585	        $this->functions->debug->message("Checking for exclude: ", array(
586	        	"pattern" => $PATTERN,
587	        	"file" => $URL,
588	        	"matches" => preg_match($PATTERN, $URL) ? 'match' : 'no match'
589	        ), 2);
590
591			if ( preg_match($PATTERN, $URL) ) { return false; }
592        }
593
594        $http = new HTTPProxy($this->functions);
595        $http->max_bodysize = $conf['fetchsize'];
596
597        // Add additional Params
598        $this->functions->addAdditionalParametersToURL($URL, $newAdditionalParameters);
599
600        $this->functions->debug->message("Fetching URL: '$URL'", null, 2);
601        $getData = $http->get($URL, true); // true == sloopy, get 304 body as well.
602
603        if( $getData === false ) { // || ($http->status != 200 && !$this->functions->settings->ignoreNon200) ) {
604
605        	if ( $http->status != 200 && $this->functions->settings->ignoreNon200 ) {
606                $this->functions->debug->message("HTTP status was '{$http->status}' - but I was told to ignore it by the settings.", $URL, 3);
607	        	return true;
608        	}
609
610            $this->functions->debug->message("Sending request failed with error, HTTP status was '{$http->status}'.", $URL, 4);
611            return false;
612        }
613
614        if( empty($getData) ) {
615            $this->functions->debug->message("No data fetched", $URL, 4);
616            return false;
617        }
618
619        $this->functions->debug->message("Headers received", $http->resp_headers, 2);
620
621        if ( !$RECURSE ) {
622            // Parse URI PATH and add "html"
623            $this->functions->debug->message("========================================", null, 1);
624            $this->functions->debug->message("Starting to recurse file '$URL'", null , 1);
625			$this->functions->debug->message("----------------------------------------", null, 1);
626            $this->__getInternalLinks($getData);
627			$this->functions->debug->message("----------------------------------------", null, 1);
628            $this->functions->debug->message("Finished to recurse file '$URL'", null , 1);
629            $this->functions->debug->message("========================================", null, 1);
630        }
631
632        $tmpFile = tempnam($this->functions->settings->tmpDir , 'siteexport__');
633        $this->functions->debug->message("Temporary filename", $tmpFile, 1);
634
635        $fp = fopen( $tmpFile, "w");
636        if(!$fp) {
637            $this->functions->debug->message("Can't open temporary File '$tmpFile'.", null , 4);
638            return false;
639        }
640
641        fwrite($fp,$getData);
642        fclose($fp);
643
644        // plain/text; ...
645        $extension = explode(';', $http->resp_headers['content-type'], 2);
646        $extension = array_shift($extension);
647        $extension = explode('/', $extension, 2);
648        if ( $extension[0] == 'image' && preg_match("/^[a-zA-Z0-9]{3,}$/", $extension[1]) ) {
649            $extension = strtolower($extension[1]);
650            $this->functions->debug->message("Found new image extension:", $extension, 2);
651        } else {
652            unset($extension);
653        }
654
655        return array($tmpFile, preg_replace("/.*?filename=\"?(.*?)\"?;?$/", "$1", $http->resp_headers['content-disposition']), $extension);
656    }
657
658    /**
659     * Find internal links in the currently downloaded file. This also matches inside CSS files
660     **/
661    function __getInternalLinks(&$DATA) {
662
663        $PATTERN = '(href|src|action)="([^"]*)"';
664        $CALLBACK = array($this, '__fetchAndReplaceLink');
665        $DATA = preg_replace_callback("/$PATTERN/i", $CALLBACK, $DATA);
666
667        $PATTERNCSS = '(url\s*?)\(([^\)]*)\)';
668        $DATA = preg_replace_callback("/$PATTERNCSS/i", $CALLBACK, $DATA);
669    }
670
671    /**
672     * Deep Fetch and replace of links inside the texts matched by __getInternalLinks
673     **/
674    function __fetchAndReplaceLink($DATA) {
675        global $conf, $currentID, $currentParent;
676
677        $noDeepReplace = true;
678        $newAdditionalParameters = $this->functions->settings->additionalParameters;
679        $newDepth = $this->functions->settings->depth;
680        $hadBase = false;
681
682		// Clean data[2], remote ' and "
683		$DATA[2] = preg_replace("/^\s*?['\"]?(.*?)['\"]?\s*?$/", '\1', trim($DATA[2]));
684
685        $this->functions->debug->message("Starting Link Replacement", array( 'data' => $DATA, 'additional Params' => $newAdditionalParameters, 'newDepth' => $newDepth, 'currentID' => $currentID, 'currentParent' => $currentParent), 2);
686
687        // $DATA[2] = urldecode($DATA[2]); // Leads to problems because it does not re-encode the url
688        // External and mailto links
689        if ( preg_match("%^(https?://|mailto:|javascript:|data:)%", $DATA[2]) ) {
690            $this->functions->debug->message("Don't like http, mailto, data or javascript links here", null, 1);
691            return $this->__rebuildLink($DATA, "");
692        }
693        //if ( preg_match("%^(https?://|mailto:|" . DOKU_BASE . "/_export/)%", $DATA[2]) ) { return $this->__rebuildLink($DATA, ""); }
694        // External media - this is deep down in the link, so we have to grep it out
695        if ( preg_match("%media=(https?://.*?$)%", $DATA[2], $matches) ) {
696            $DATA[2] = $matches[1];
697            $this->functions->debug->message("This is an HTTP like somewhere else", $DATA, 1);
698            return $this->__rebuildLink($DATA, "");
699        }
700        // reference only links won't have to be rewritten
701        if ( preg_match("%^#.*?$%", $DATA[2]) ) {
702            $this->functions->debug->message("This is a refercence only", null, 1);
703            return $this->__rebuildLink($DATA, "");
704        }
705
706        // 2014-07-21: Origdata before anything else - or it will be missing some things.
707        $ORIGDATA2 = $DATA;
708        //        $ORIGDATA2 = $DATA[2]; // 08/10/2010 - this line required a $this->functions->wl which may mess up with the base URL
709        $this->functions->debug->message("OrigDATA is:", $ORIGDATA2, 1);
710
711        // strip all things out
712        // changed Data
713        $PARAMS = @parse_url($DATA[2], PHP_URL_QUERY);
714        $ANCHOR = @parse_url($DATA[2], PHP_URL_FRAGMENT);
715        $DATA[2] = @parse_url($DATA[2], PHP_URL_PATH);
716
717        // 2014-05-12 - fix problem with URLs starting with a ./ or ../ ... they seem to need the current IDs root
718        if ( preg_match("#^\.\.?/#", $DATA[2])) {
719            $DATA[2] = getNS($currentID) . ':' . $DATA[2];
720        }
721
722        // 2010-08-25 - fix problem with relative movement in links ( "test/../test2" )
723        // 2014-06-30 - what? to what will this end relatively?
724        $tmpData2 = '';
725        while( $tmpData2 != $DATA[2] ) {
726            $tmpData2 = $DATA[2];
727            $DATA[2] = preg_replace("#/(?!\.\.)[^\/]*?/\.\./#", '/', $DATA[2]);
728        }
729
730        $temp = preg_replace("%^" . preg_quote(DOKU_BASE, '%') . "%", "", $DATA[2]);
731        if ( $temp != $DATA[2] ) {
732            $DATA[2] = $temp;
733            $hadBase = true; // 2010-08-23 Check if there has been a rewrite here that will have to be considered later on
734        }
735
736        $this->functions->debug->message("URL before rewriting option for others than 1", array($DATA, $PARAMS, $hadBase), 1);
737
738        // Handle rewrites other than 1 - just for non-lib-files
739        // if ( !preg_match('$^/?lib/$', $DATA[2]) ) {
740        if ( !preg_match('$^(' . DOKU_BASE . ')?lib/$', $DATA[2]) ) {
741		    $this->functions->debug->message("Did not match '$^(" . DOKU_BASE . ")?lib/$' userewrite == {$conf['userewrite']}", null, 2);
742            if ( $conf['userewrite'] == 2 ) {
743                $DATA[2] = $this->__getInternalRewriteURL($DATA[2]);
744            } elseif ( $conf['userewrite'] == 0 ) {
745                $this->__getParamsAndDataRewritten($DATA, $PARAMS);
746            }
747        } else {
748	    	$this->functions->debug->message("This file must be inside lib ...", null, 2);
749        }
750
751        $this->functions->debug->message("URL before rewriting option", array($DATA, $PARAMS), 2);
752
753        // Generate ID
754        $DATA[2] = str_replace('/', ':', $DATA[2]);
755
756        // If Data was empty this must be the same file!;
757        if ( empty( $DATA[2] ) ) {
758            $DATA[2] = $currentID;
759        }
760
761        $ID = $DATA[2];
762        $MEDIAMATCHER = "#(_media(/|:)|media=|_detail(/|:)|_export(/|:)|do=export_)#i"; // 2010-10-23 added "(/|:)" for the ID may not contain slashes anymore
763        $ISMEDIA = preg_match($MEDIAMATCHER, $DATA[2]);
764        if ( $ISMEDIA && $conf['userewrite'] == 1) {
765            //$DATA[2] = preg_replace($MEDIAMATCHER, "", $DATA[2]);
766            $ID = preg_replace("#^_(detail|media)(/|:)#", "", $ID);
767        }
768
769        $ID = $this->functions->cleanID($DATA[2], null, $ISMEDIA );
770        //        $ID = $this->functions->cleanID($DATA[2], null, strstr($DATA[2], 'media') ); // Export anpassung nun weiter unten
771
772        //        $IDexists = page_exists($ID); // 08/10/2010 - Not needed. This will be done in the next block.
773        //        $this->functions->debug->message("Current ID: '$ID' exists: '" . ($IDexists ? 'true' : 'false') . "' (will be set to 'false' anyway)", null, 1);
774
775        $IDifIDnotExists = $ID; // 08/10/2010 - Save ID - with possible upper cases to preserve them
776        $IDexists = false;
777
778        $this->functions->debug->message("Resolving ID: '$ID'", null, 2);
779        if ( $ISMEDIA ) {
780            resolve_mediaid(null, $ID, $IDexists);
781
782            $this->functions->debug->message("Current mediaID to filename: '" . mediaFN($ID) . "'", null, 2);
783        } else {
784            resolve_pageid(null, $ID, $IDexists);
785            $this->functions->debug->message("Current ID to filename: '" . wikiFN($ID) . "'", null, 2);
786        }
787
788        $this->functions->debug->message("Current ID after resolvement: '$ID' the ID does exist: '" . ($IDexists ? 'true' : 'false') . "'", null, 2);
789        //        $ORIGDATA2 = @parse_url($this->functions->wl($ORIGDATA2, null, true)); // What was the next 2 line for? It did mess up with links from {{jdoc>}}
790        //        $this->functions->debug->message("OrigData ID after parse:", $ORIGDATA2, 1); // 08/10/2010 - The lines are obsolete when the $ORIGDATA2 = $DATA. $ORIGDATA is only for fallback
791
792        // 08/10/2010 - If the ID does not exist, we may have a problem here with upper cases - they will all be lower by now!
793        if ( !$IDexists ) {
794            $ID = $IDifIDnotExists; // there may have been presevered Upper cases. We will need them!
795        }
796
797        // $this->functions->cleanID($DATA[2], null, strstr($DATA[2], 'media') || strstr($DATA[2], 'export') );
798        if ( substr($ID, -1) == ':' || empty($ID) ) $ID .= $conf['start'];
799
800        // Generate Download URL
801        // $PARAMS = trim(str_replace('&amp;', '&', $PARAMS));
802        $PARAMS = trim($PARAMS);
803        $this->functions->removeWikiVariables($PARAMS, false, true);
804
805        $url = $this->functions->wl($ID, null, true, null, null, true, $hadBase) . ( !empty( $ANCHOR) ? '#' . $ANCHOR : '' ) . ( !empty( $PARAMS) ? '?' . $PARAMS : '' );
806        $this->functions->debug->message("URL from ID: '$url'", null, 2);
807
808        // Parse URI PATH and add "html"
809        $uri = @parse_url($url);
810        $DATA[2] = $uri['path'];
811
812        $this->functions->debug->message("DATA after parsing.", $DATA, 2);
813
814        // Second Rewrite for UseRewrite = 2
815        if ( $conf['userewrite'] == 2 && preg_match("%((/lib/exe/(fetch|detail|indexer)|feed|doku)\.php)/?(.*?)$%", $DATA[2], $matches)) {
816
817
818            // The actual file in lib
819            $DATA[2] = $matches[1];
820            $PARAMS .= '&' . (in_array($matches[3], array('fetch', 'detail')) ? 'media' : 'id') . '=' . cleanID(str_replace('/', ':', $matches[4]));
821
822/*            $DATA[2] = preg_replace( '$/lib/.*?fetch\.php$', '', $DATA[2]);
823            $DATA[2] = preg_replace( '%(/lib/.*?detail\.php.*$)%', '\1' . '.' . $this->functions->settings->fileType, $DATA[2]);
824
825            if ( preg_match( '%/(lib/.*?detail|doku)\.php%', $DATA[2])) {
826                $noDeepReplace = false;
827                $fileName = $this->functions->getSiteName($ID);
828                $newDepth = str_repeat('../', count(explode('/', $fileName))-1);
829            }
830            $this->functions->debug->message("DATA after second rewrite with UseRewrite = 2", array($DATA, $noDeepReplace, $fileName, $newDepth), 1);
831*/
832            $this->functions->debug->message("DATA after second rewrite with UseRewrite = 2", array($DATA, $matches, $PARAMS), 1);
833        }
834
835        $DATA['ANCHOR'] = $ANCHOR;
836        $DATA['PARAMS'] = $PARAMS;
837        $elements = explode('/', $DATA[2]);
838
839        switch ( array_pop($elements) ) {
840            // CSS Extra Handling with extra rewrites
841            case 'css.php'	:	// $DATA[2] .=  ( !$this->functions->settings->addParams || empty($PARAMS) ? '' : '.' . $this->functions->cleanID(preg_replace("/(=|\?|&amp;)/", ".", $PARAMS))) . '.css';
842                $DATA[2] .=  '.' . $this->functions->cleanID(preg_replace("/(=|\?|&amp;)/", ".", $PARAMS)) . '.css'; // allways put parameters behind
843                // No paramters needed since they are rewritten.
844                $DATA['PARAMS'] = "";
845                $noDeepReplace = false;
846                $fileName = $this->functions->getSiteName($ID, true);
847
848                // NewDepth has to be relative to the css file itself ...
849                $newDepth = './' . str_repeat('../', count(explode('/', $fileName))-1); // it is an ID at this point.
850                $newAdditionalParameters['do'] = 'siteexport';
851
852                $this->functions->debug->message("This is CSS file", array($DATA, $noDeepReplace, $fileName, $newDepth, $newAdditionalParameters), 2);
853
854                break;
855            case 'js.php'	:	// $DATA[2] .= ( !$this->functions->settings->addParams || empty($PARAMS) ? '' : '.' . $this->functions->cleanID(preg_replace("/(=|\?|&amp;)/", ".", $PARAMS))) . '.js';
856                $DATA[2] .=  '.t.' . $this->functions->cleanID($_REQUEST['template']) . '.js'; // allways put parameters behind
857                // set Template
858                if ( !empty( $_REQUEST['template'] ) ) {
859                    $url .= ( strstr($url, '?') ? '&' : '?' ) . 'template=' . $_REQUEST['template'];
860                }
861                // No paramters needed since they are rewritten.
862                $DATA['PARAMS'] = "";
863                $newAdditionalParameters['do'] = 'siteexport';
864
865                $this->functions->debug->message("This is JS file", array($DATA, $url, $fileName, $newAdditionalParameters), 2);
866
867                break;
868                // Detail Handling with extra Rewrites if Paramaters are available - otherwise this is just the fetch
869            case 'indexer.php' :
870                $this->functions->debug->message("Skipping indexer", null, 2);
871                return "";
872                break;
873            case 'detail.php' :
874                $noDeepReplace = false;
875
876                $this->__getParamsAndDataRewritten($DATA, $PARAMS, 'media');
877                $ID = $this->functions->cleanID(str_replace('/', ':', $DATA[2]), null, strstr($DATA[2], 'media'));
878                $fileName = $this->functions->getSiteName($ID, true); // 2010-09-03 - rewrite with override enabled
879
880                $newDepth = str_repeat('../', count(explode('/', $fileName))-1);
881                $this->__rebuildDataForNormalFiles($DATA, $PARAMS);
882                $DATA[2] .= '.detail.html';
883
884                $this->functions->debug->message("This is detail.php file with addParams", array($DATA, $ID, $fileName, $newDepth, $newAdditionalParameters), 2);
885                break;
886            case 'doku.php' :
887
888                $noDeepReplace = false;
889                $this->__getParamsAndDataRewritten($DATA, $PARAMS, 'id');
890                $ID = $this->functions->cleanID($DATA[2], null, strstr($DATA[2], 'id'));
891
892                $this->functions->debug->message("Current ID to filename (doku.php): '" . wikiFN($ID) . "'", null, 2);
893
894                $fileName = $this->functions->getSiteName($ID); // 2010-09-03 - rewrite with override enabled
895
896                $newDepth = str_repeat('../', count(explode('/', $fileName))-1);
897                $this->__rebuildDataForNormalFiles($DATA, $PARAMS);
898                $DATA[2] .= '.' . array_pop(explode('/', $fileName));
899
900                $this->functions->debug->message("This is doku.php file with addParams", array($DATA, $ID, $fileName, $newDepth, $newAdditionalParameters), 2);
901                return $this->__rebuildLink($DATA);
902                break;
903
904                // Fetch Handling for media - rewriting everything
905            case 'fetch.php':
906                $this->__getParamsAndDataRewritten($DATA, $PARAMS, 'media');
907
908                $DATA[2] = str_replace('/', ':', $DATA[2]);
909                $ID = $this->functions->cleanID($DATA[2], null, strstr($DATA[2], 'media'));
910                resolve_mediaid(null, $ID, $IDexists);
911
912                $DATA[2] = $this->functions->wl($ID, null, null, null, $IDexists, true);
913                $this->__rebuildDataForNormalFiles($DATA, $PARAMS);
914
915                $DATA['PARAMS'] = "";
916                $newAdditionalParameters = array();
917
918                $this->functions->debug->message("This is fetch.php file", array($DATA, $ID, $PARAMS), 2);
919                break;
920
921                // default Handling for Pages
922            case 'feed.php':
923                return ""; // Ignore. Has no sense to export.
924                break;
925            default:
926                if ( preg_match("%" . preg_quote(DOKU_BASE, '%') . "_detail/%", $DATA[2]) ) {
927
928                    // GET ID Param from origdata2
929                    preg_match("#id=(.*?)(&|\")#i", $DATA[0], $backlinkID);
930                    $this->__rebuildDataForNormalFiles($DATA, $PARAMS);
931
932                    $fileIDPart = isset($backlinkID[1]) && !empty($backlinkID[1]) ? $this->functions->cleanID(urldecode($backlinkID[1])) : 'detail';
933
934                    $ID = preg_replace("#^_detail(/|:)#", "", $ID);
935                    $DATA[2] .= ':' . $fileIDPart . '.' . $this->functions->settings->fileType; // add namespace and subpage for back button and add filetype
936
937                    $noDeepReplace = false;
938                    $fileName = $this->functions->shortenName($DATA[2]);
939                    $newDepth = str_repeat('../', count(explode('/', $fileName))-1);
940                    $url .= ( strstr($url, '?') ? '&' : '?' ) . 'id=' . $fileIDPart; // add id-part to URL for backlinks
941
942                    $DATA['PARAMS'] = "";
943
944                    $this->functions->debug->message("This is something with '_detail' file", array($DATA, $backlinkID, $newDepth, $url, $ID), 2);
945                } else if ( preg_match("%" . preg_quote(DOKU_BASE, '%') . "_export/(.*?)/%", $DATA[2], $fileType) ) {
946
947                    // Fixes multiple codeblocks in one file
948                    $this->__rebuildDataForNormalFiles($DATA, $PARAMS);
949
950                    // add the Params no matter what they are. This is export. We don't mess with other files
951                    // adding the "/" fixes the usage of multiple codeblocks in the same namespace
952                    $DATA[2] .= (empty( $PARAMS ) ? '' : '/' . $PARAMS) . '.'. $fileType[1];
953
954                    $DATA['PARAMS'] = "";
955                    $this->functions->debug->message("This is something with '_export' file", $DATA, 2);
956
957                } else if ( $IDexists ) { // 08/10/2010 - was page_exists($ID) - but this should do as well.
958                    // If this is a page ... skip it!
959                    $DATA[2] .= ( !$this->functions->settings->addParams || empty($PARAMS) ? '' : '.' . $this->functions->cleanID(preg_replace("/(=|\?|&amp;)/", ".", $PARAMS)))  . '.' . $this->functions->settings->fileType;
960
961                    $DATA[2] = $this->functions->shortenName($DATA[2]);
962
963                    // If Parameters are to be included in the filename - they must not be added twice
964                    if ( $this->functions->settings->addParams ) $DATA['PARAMS'] = "";
965
966                    $this->functions->debug->message("This page really exists", $DATA, 1);
967
968                    return $this->__rebuildLink($DATA);
969                } else {
970                    $this->__rebuildDataForNormalFiles($DATA, $PARAMS, true);
971                    $newAdditionalParameters = null; // 2014-06-27 - when using the "normal" files way we will not need any additional stuff.
972                    // This would make problems with e.g. ditaa plugin
973                }
974
975                unset($newAdditionalParameters['diPlu']);
976        }
977
978        $this->functions->debug->message("DATA after SWITCH CASE decision", array($DATA, $noDeepReplace, $fileName, $newDepth), 1);
979
980        if ( $this->filewriter->canDoPDF() ) {
981            $this->functions->addAdditionalParametersToURL($url, $newAdditionalParameters);
982            $DATA[2] = $url;
983            unset($DATA['PARAMS']);
984            $url = $this->__rebuildLink($DATA, '');
985
986            $this->functions->debug->message("Creating PDF with URL '$url'", null, 2);
987
988            return $url;
989        }
990
991        // Create Name to save the file at
992        $DATA[2] = str_replace(':', '_', $DATA[2]);
993        $DATA[2] = $this->functions->shortenName($DATA[2]);
994
995
996        // File already loaded?
997        // 2010-10-23 - changes in_array from DATA[2] to $url - to check real URLs, the DATA[2] file will be checked with fileExistsInZip
998        if ( in_array($url, array_keys($this->fileChecked)) ) {
999            $DATA[2] = $this->fileChecked[$url];
1000            $this->functions->debug->message("File has been checked before.", array($DATA, $url), 2);
1001            return $this->__rebuildLink($DATA);
1002        }
1003
1004        // 2010-09-03 - second check if the file is in the ZIP already.
1005        if ( $this->filewriter->fileExistsInZip($DATA[2]) ) {
1006            $this->functions->debug->message("File with DATA exists in ZIP.", $DATA, 3);
1007            return $this->__rebuildLink($DATA);
1008        }
1009
1010        // 2010-10-23 - What if this is a fetch.php? than we produced an error.
1011        //        $this->fileChecked[] = $DATA[2];
1012
1013        // get tempFile and save it
1014        $origDepth = $this->functions->settings->depth;
1015        $this->functions->settings->depth = $newDepth;
1016
1017        $tmpID = $currentID;
1018        $tmpParent = $currentParent;
1019        $tmpFile = false;
1020
1021        $currentParent = $fileName;
1022        $this->functions->debug->message("Going to get the file", array($url, $noDeepReplace, $newAdditionalParameters), 2);
1023        $tmpFile = $this->__getHTTPFile($url, $noDeepReplace, $newAdditionalParameters);
1024        $this->functions->debug->message("The getHTTPFile result is still empty", $tmpFile === false ? 'YES' : 'NO', 2);
1025
1026        $currentParent = $tmpParent;
1027        $currentID = $tmpID;
1028        $this->functions->settings->depth = $origDepth; // 2010-09-03 - Reset depth at the very end
1029
1030        if ( $tmpFile === false ) {
1031            // Keep an potentially extra link intact
1032
1033            $this->functions->debug->message("The fetched file '$url' is 'false'", null, 3);
1034            if ( $IDexists === false ) {
1035                $this->functions->debug->message("The file does not exist, fallback to ORIGDATA", $ORIGDATA2, 2);
1036                $DATA[2] = $this->functions->shortenName($ORIGDATA2[2]); // get Origdata Path
1037            }
1038
1039            $this->fileChecked[$url] = $DATA[2]; // 2010-09-03 - One URL to one FileName
1040            $link = $this->__rebuildLink($DATA);
1041            $this->functions->debug->message("Final Link after empty file from '$url'", null, 2);
1042
1043            return $link;
1044        }
1045
1046        $this->functions->debug->message("The fetched file looks good.", $tmpFile, 2);
1047        $dirname = dirname($DATA[2]);
1048
1049        // If a Filename was given that does not comply to the original name, us this one!
1050        // 2014-02-28 But only if we are on PDF Mode. Does this produce any other Problems?
1051        if ( $this->filewriter->canDoPDF() && !empty($tmpFile[1]) && !strstr($DATA[2], $tmpFile[1]) ) {
1052			$DATA[2] = $dirname . '/' . $tmpFile[1];
1053            $this->functions->debug->message("Changed filename.", $DATA[2], 2);
1054        }
1055
1056        // Custom extension if not set already - 2014-07-02
1057        if ( !empty($tmpFile[2]) && !preg_match("#\.{$tmpFile[2]}$#", $DATA[2]) ) {
1058            $DATA[2] = preg_match("#(\.[^\.]+)$#", $DATA[2]) ? preg_replace("#(\.[^\.]+)$#", '.' . $tmpFile[2], $DATA[2]) : $DATA[2] . '.' . $tmpFile[2];
1059            $this->functions->debug->message("Added extension provided from Server.", $DATA[2], 2);
1060        }
1061
1062        // Add to zip
1063        $this->fileChecked[$url] = $DATA[2]; // 2010-09-03 - One URL to one FileName
1064
1065        $status = $this->filewriter->__addFileToZip($tmpFile[0], $DATA[2]);
1066        @unlink($tmpFile[0]);
1067
1068        $newURL = $this->__rebuildLink($DATA);
1069        $this->functions->debug->message("Returning final Link to document: '$newURL'", null, 2);
1070
1071        return $newURL;
1072    }
1073
1074    /**
1075     * build the new link to be put in place for the donwloaded site
1076     **/
1077    function __rebuildLink($DATA, $DEPTH = null) {
1078        global $currentID, $currentParent;
1079
1080        // depth is set, skip this one
1081        if ( is_null( $DEPTH ) ) $DEPTH = $this->functions->settings->depth;
1082        $DATA[2] .= ( !empty( $DATA['PARAMS']) && $this->functions->settings->addParams? '?' . $DATA['PARAMS'] : '' ) . ( !empty( $DATA['ANCHOR'] ) ? '#' . $DATA['ANCHOR'] : '' );
1083
1084        $intermediateURL = $DEPTH . $DATA[2];
1085
1086//*
1087        // 2012-06-15 originally has an absolute path ... we might need a relative one if not in our namespace
1088        if ( empty($_REQUEST['absolutePath']) && preg_match("#^(\.\./)+#", $intermediateURL) ) {
1089
1090            $this->functions->debug->message("OK, this is not to be absolute: ", array($intermediateURL, $currentParent), 1);
1091            // Experimental
1092            $intermediateURL = $this->functions->getRelativeURL($intermediateURL, $currentParent);
1093        }
1094/*/
1095        // Check if the URL has a ../../something/somethingelse
1096        // and basically goes back to our current page or something in parallel
1097        // 1) remove all ../ at begining
1098
1099        $this->functions->debug->message("currentID: '{$currentID}'", null, 1);
1100        $checkURL = preg_replace("#^(\.\./)+#", '', $intermediateURL);
1101        if ( $checkURL != $intermediateURL ) {
1102            $this->functions->debug->message("Found ../: '$checkURL' / currentIDPart: '{$currentIDPart}'", null, 2);
1103
1104            // 2) check if the URLs next parts match the current ENS to all NS parts of the current ID
1105            // $this->functions->debug->message("Found ENS: '{$this->functions->settings->exportNamespace}', currentID: {$currentID}'", null, 2);
1106            $currentIDPart = preg_replace("#^{$this->functions->settings->exportNamespace}/#", "", str_replace(':', '/', getNS($currentID) . '/'));
1107
1108            if ( ($newURL = preg_replace("#^{$currentIDPart}#", "./", $checkURL)) != $checkURL ) {
1109                // 3) if so, remove these parts
1110                $intermediateURL = $newURL;
1111                $this->functions->debug->message("Found ./ URL: '$newURL'", null, 2);
1112            }
1113        }
1114//*/
1115        $newURL = $DATA[1] == 'url' ? $DATA[1] . '(' . $intermediateURL . ')' : $DATA[1] . '="' . $intermediateURL . '"';
1116        $this->functions->debug->message("Re-created URL: '$newURL'", $DEPTH, 2);
1117
1118        return $newURL;
1119    }
1120
1121
1122    /**
1123     * remove an old zip file
1124     **/
1125    function __removeOldZip( $FILENAMEID=null, $checkForMore=true, $reauthenticated=false ) {
1126        global $INFO;
1127        global $conf;
1128
1129        $returnValue = true;
1130
1131        if ( empty($FILENAMEID) ) {
1132            $FILENAMEID = $this->functions->settings->origZipFile;
1133        }
1134
1135        if ( !file_exists(mediaFN($FILENAMEID)) ) {
1136            $returnValue = true;
1137        } else {
1138
1139            require_once( DOKU_INC . 'inc/media.php');
1140            if ( !media_delete($FILENAMEID, $INFO['perm']) ) {
1141
1142                if ( !$reauthenticated ) {
1143                    $this->functions->authenticate();
1144                    return $this->__removeOldZip( $FILENAMEID, $checkForMore, true );
1145                }
1146
1147                $returnValue = false;
1148            }
1149        }
1150
1151        if ( $checkForMore ) {
1152            // Try to remove more files.
1153            $ns = getNS($FILENAMEID);
1154            $fn = $this->functions->getSpecialExportFileName(noNS($FILENAMEID), '.+');
1155
1156            $data = array();
1157            search($data, $conf['mediadir'], 'search_media', array('pattern' => "/$fn$/i"), $ns);
1158
1159            if ( count($data > 0) ) {
1160
1161                // 30 Minuten Cache Zeit
1162                $cache = $this->functions->settings->cachetime;
1163                foreach ( $data as $media ) {
1164
1165                    //decide if has to be deleted needed:
1166                    if( $media['mtime'] < time()-$cache) {
1167                        $this->__removeOldZip($media['id'], false, $reauthenticated);
1168                    }
1169                }
1170            }
1171
1172        }
1173
1174        return $returnValue;
1175    }
1176
1177    /**
1178     * if confrewrite is set to internal rewrite, use this function - taken from a DW renderer
1179     **/
1180    function __getInternalRewriteURL($url) {
1181        global $conf;
1182
1183        //construct page id from request URI
1184        if( $conf['userewrite'] != 2) { return $url; }
1185
1186        //get the script URL
1187        if($conf['basedir']) {
1188            $relpath = '';
1189            $script = $conf['basedir'].$relpath.basename($_SERVER['SCRIPT_FILENAME']);
1190        } elseif($_SERVER['DOCUMENT_ROOT'] && $_SERVER['SCRIPT_FILENAME']){
1191            $script = preg_replace ('/^'.preg_quote($_SERVER['DOCUMENT_ROOT'],'/').'/','',
1192            $_SERVER['SCRIPT_FILENAME']);
1193            $script = '/'.$script;
1194        }else{
1195            $script = $_SERVER['SCRIPT_NAME'];
1196        }
1197
1198        //clean script and request (fixes a windows problem)
1199        $script  = preg_replace('/\/\/+/','/',$script);
1200        $request = preg_replace('/\/\/+/','/',$url);
1201
1202        //remove script URL and Querystring to gain the id
1203        if(preg_match('/^'.preg_quote($script,'/').'(.*)/',$request, $match)){
1204            $id = preg_replace ('/\?.*/','',$match[1]);
1205        }
1206        $id = urldecode($id);
1207        //strip leading slashes
1208        $id = preg_replace('!^/+!','',$id);
1209
1210        return $id;
1211    }
1212
1213    /**
1214     * rewrite parameter calls
1215     **/
1216    function __getParamsAndDataRewritten(&$DATA, &$PARAMS, $IDKEY='id') {
1217
1218        $PARRAY = explode('&', str_replace('&amp;', '&', $PARAMS) );
1219        $PARAMS = array();
1220
1221        foreach ( $PARRAY as $item ) {
1222            list($key, $value) = explode('=', $item, 2);
1223            if ( empty($key) || empty($value) )
1224            continue;
1225
1226            if ( strtolower(trim($key)) == $IDKEY ) {
1227                $DATA[2] = preg_replace("%^" . preg_quote(DOKU_BASE, '%') . "%", "", str_replace(':', '/', $value));
1228                continue;
1229            }
1230
1231            $PARAMS[] = "$key=$value";
1232        }
1233
1234        sort($PARAMS);
1235
1236        $PARAMS = implode('&', $PARAMS);
1237    }
1238
1239    /**
1240     * rewrite detail.php calls
1241     **/
1242    function __rebuildDataForNormalFiles(&$DATA, &$PARAMS, $addHash=false) {
1243        $PARTS = explode('.', $DATA[2]);
1244        if ( count($PARTS) > 1 ) {
1245            $EXT = '.' . array_pop($PARTS);
1246        }
1247
1248        $internalParams = $PARAMS = preg_replace("/(=|\?|&amp;)/", ".", $PARAMS);
1249
1250        // add anyways - if on overridde
1251        if ( !$this->functions->settings->addParams && !empty($PARAMS) && $addHash ) {
1252            $internalParams = md5($PARAMS);
1253        } else if ( !$this->functions->settings->addParams ){
1254            $internalParams = null;
1255        }
1256
1257        $DATA[2] = implode('.', $PARTS) . ( empty($internalParams) ? '' : '.' . $this->functions->cleanID($internalParams)) . ( $EXT == '.php' ? '.' . $this->functions->settings->fileType : $EXT );
1258        $DATA[2] = preg_replace("/\.+/", ".", $DATA[2]);
1259        $this->functions->debug->message("Rebuilding Data for normal file.", $DATA[2], 1);
1260    }
1261
1262    /*
1263     * Clean JS and CSS cache files
1264     */
1265    function cleanCacheFiles() {
1266
1267        $_SERVER['HTTP_HOST'] = preg_replace("/:?\d+$/", '', $_SERVER['HTTP_HOST']);
1268        $cache = getCacheName('scripts'.$_SERVER['HTTP_HOST'].'-siteexport-js-'.$_SERVER['SERVER_PORT'],'.js');
1269        $this->unlinkIfExists($cache);
1270
1271        $tpl = trim(preg_replace('/[^\w-]+/','',$_REQUEST['template']));
1272        if($tpl)
1273        {
1274            $tplinc = DOKU_INC.'lib/tpl/'.$tpl.'/';
1275            $tpldir = DOKU_BASE.'lib/tpl/'.$tpl.'/';
1276        } else {
1277            $tplinc = DOKU_TPLINC;
1278            $tpldir = DOKU_TPL;
1279        }
1280
1281        // The generated script depends on some dynamic options
1282        $cache = getCacheName('styles'.$_SERVER['HTTP_HOST'].'-siteexport-js-'.$_SERVER['SERVER_PORT'].DOKU_BASE.$tplinc.$style,'.css');
1283        $this->unlinkIfExists($cache);
1284    }
1285
1286    function unlinkIfExists($cache) {
1287        if ( file_exists($cache) ) {
1288            @unlink($cache);
1289            if(function_exists('gzopen')) @unlink("$cache.gz");
1290        }
1291    }
1292
1293    // Private unset function
1294    private function clear(&$variable)
1295    {
1296        if ( isset($variable) )
1297        {
1298            unset($variable);
1299        }
1300    }
1301}
1302