1 <?php
2 /*
3 This code is part of GOsa (https://gosa.gonicus.de)
4 Copyright (C) 2003 Cajus Pollmeier
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
21 /* Basic setup, remove eventually registered sessions */
22 require_once ("../include/php_setup.inc");
23 require_once ("../include/functions.inc");
24 session_start ();
25 error_reporting(E_ALL);
26 /* Logged in? Simple security check */
27 if (!isset($_SESSION['ui'])){
28 gosa_log ("Error: helpviewer.php called without session");
29 echo "<b>"._("Help is not available if you are not logged in.")."</b>";
30 exit;
31 }
34 /* Set template compile directory */
35 $config= $_SESSION['config'];
36 if (isset ($config->data['MAIN']['COMPILE'])){
37 $smarty->compile_dir= $config->data['MAIN']['COMPILE'];
38 } else {
39 $smarty->compile_dir= '/var/spool/gosa/';
40 }
42 /* Language setup */
43 if ($config->data['MAIN']['LANG'] == ""){
44 $lang= get_browser_language();
45 } else {
46 $lang= $config->data['MAIN']['LANG'];
47 }
48 $lang.=".UTF-8";
49 putenv("LANGUAGE=");
50 putenv("LANG=$lang");
51 setlocale(LC_ALL, $lang);
52 $GLOBALS['t_language']= $lang;
53 $GLOBALS['t_gettext_message_dir'] = $BASE_DIR.'/locale/';
55 /* Set the text domain as 'messages' */
56 $domain = 'messages';
57 bindtextdomain($domain, "$BASE_DIR/locale");
58 textdomain($domain);
59 @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $lang, "Setting language to");
61 /* Get plugin list */
62 $plist= $_SESSION['plist'];
64 /*
65 ##################
66 My PART ^^
67 ##################
69 */
70 //set_error_handler("myone");
71 $helpdir = "../doc/guide/admin/en/manual_gosa_en/";
72 $defaultpage = "index.html";
73 $prefix = "node";
74 $suffix = ".html";
75 $maxresults = 10;
76 $minwordlength= 3;
79 function myone($par1,$par2,$par3,$par3)
80 {
81 print "<br>Seite : ".$par1."<br>Name : ".$par2."<br>Seite : ".$par3."<br>Zeile : ".$par3;
82 }
84 /* Define which tags musst be delete, header, navigation, banner */
85 $i=0;
86 $replacements=array();
87 $replacements['range'][$i]['from'] = "/<!DOC.*<BODY >/";
88 $replacements['range'][$i]['to'] = "";
89 $i++;
90 $replacements['range'][$i]['from'] = "@<DIV[^>]*?>.*?DIV>@si";
91 $replacements['range'][$i]['to'] = "";
92 $i++;
93 $replacements['range'][$i]['from'] = "/<HR>/";
94 $replacements['range'][$i]['to'] = "";
95 $i++;
96 $replacements['range'][$i]['from'] = "@<ADDRESS[^>]*?>.*?ADDRESS>@si";
97 $replacements['range'][$i]['to'] = "";
98 $i++;
99 $replacements['range'][$i]['from'] = "/<\/BODY.*>/";
100 $replacements['range'][$i]['to'] = "";
101 $i++;
103 /* Bsp . : Replace Table Head to specified tableheader */
104 $replacements['range'][$i]['from'] = "@<TABLE[^>]*?>.*?>@si";
105 $replacements['range'][$i]['to'] = "<table border=0 cellspacing=1 bgcolor=\"#999999\" width=\"95%\" align=\"center\" >" ;
107 /* Default pages */
108 $backward =$defaultpage;
109 $index =$defaultpage;
110 $forward ="node1.html";
112 /*
113 Here it begins, the real function, above only definitions
114 */
115 /* We prepare to search, all Document for the given keyword */
116 if(isset($_POST['search'])){
118 /* Get Keyword */
119 $keyword = $_POST['search_string'];
121 /* Save Keyword to be able to show last searched word in template */
122 $_SESSION['search_string']= $keyword;
124 /* Read all files with contents*/
125 /* |Folder="/var/ww...",
126 | |Fileprefix="node"
127 | | |Filesuffix=".html"
128 | | | |WithoutContent=false(This means : read content)
129 | | | | |Singlepage=false(Means read all, if w want to read single, specify its filename)"*/
130 $arr = readfiles($helpdir,$prefix,$suffix,false,$singlepage=false);
132 /* Create Searchresult for our Keyword(s) */
133 $res = search($arr,$keyword);
135 /* Tell smarty which pages to use for backward forwa.. */
136 $smarty->assign("backward",$backward);
137 $smarty->assign("index" ,$index);
138 $smarty->assign("forward" ,$forward);
140 /* Tell smarty the Keyword, to show it in the input field again */
141 $smarty->assign("search_string",$keyword);
143 /* Create result list */
144 $smarty->assign("help_contents",searchlist($arr,$res,$maxresults));
146 /* Output html ...*/
147 $header= "<!-- headers.tpl-->".$smarty->fetch(get_template_path('headers.tpl'));
148 $display= $header.$smarty->fetch(get_template_path('help.tpl'));
149 echo $display;
151 /*
152 Don't search, only show selected page
153 */
154 }else{
156 /* present last searched word(s)*/
157 $smarty->assign("search_string",$_SESSION['search_string']);
159 /* Read all files, prepare to serach */
160 $helppages = readfiles("../doc/guide/admin/en/manual_gosa_en/",$prefix,$suffix,true);
162 /* Get transmitted page */
163 if(isset($_GET['pg'])){
164 $page = $_GET['pg'];
165 }
167 /* test if this page exists, in our array of files */
168 if((!isset($helppages[$page]))&&($page!=$defaultpage))
169 {
170 print "Requested helppage is unknown, redirekted to index";
171 $page = $defaultpage;
172 }
174 /* Check forward backward, funtionality*/
175 if($page != $defaultpage)
176 {
177 /* Extract Number of node page */
178 $number = str_replace($prefix,"",str_replace($suffix,"",$page));
180 /* Check if we can switch forward and/or backward*/
181 $bck = $prefix.($number-1).$suffix;
182 $fck = $prefix.($number+1).$suffix;
184 /* backward page exists ?, so allow it*/
185 if((isset($helppages[$bck]))) {
186 $backward = $bck;
187 }
189 /* forward exists ?*/
190 if((isset($helppages[$fck]))) {
191 $forward = $fck;
192 }
193 }
195 $help_contents=readfiles($helpdir,$prefix,$suffix,false,$page);
197 /* Mark last searched words */
198 if($_GET['mark']){
199 $marks = ($_SESSION['lastresults']) ;
200 $help_contents = markup_page($help_contents[$page]['content'],$marks[$page]);
201 $help_contents=remove_unwanted_tags($help_contents,$replacements);
202 }else{
203 $help_contents=remove_unwanted_tags($help_contents[$page]['content'],$replacements);
204 }
207 $smarty->assign("help_contents",$help_contents);
209 /* Define our own navigation pages */
210 $smarty->assign("backward",$backward);
211 $smarty->assign("index" ,$index);
212 $smarty->assign("forward" ,$forward);
214 /* Fill page */
215 $header= "<!-- headers.tpl-->".$smarty->fetch(get_template_path('headers.tpl'));
216 $display= $header.$smarty->fetch(get_template_path('help.tpl'));
217 echo $display;
218 }
222 /*
223 Only function definition will follow here
224 /*
228 /* Reads all files in specified directory with contents an some inforations about the file */
229 /* Read all files with contents*/
230 /* |Folder="/var/ww...",
231 | |Fileprefix="node"
232 | | |Filesuffix=".html"
233 | | | |WithoutContent=false(This means : read content)
234 | | | | |Singlepage=false(Means read all, if w want to read single, specify its filename)"*/
235 function readfiles($basedir,$prefix,$suffix,$onlyIndex,$singlepage=false)
236 {
237 global $replacements;
239 $str = array(); // Temporary variable
240 $cnt = 0; // Array index creation
241 $file = ""; // Contains Filename
243 $dir = opendir($basedir);
245 $str['global']['start'] = $cnt; // collect basic informations - Startpage
246 $str['global']['basedir'] = $basedir; // collect basic informations - Basedirectory
248 /* Startime for Benchmark */
249 $start = (time()+microtime());
251 /* if singlepage == false -> Get all pages, */
252 if(!$singlepage) {
254 /* While theres is an unreaded file in our resource */
255 while (($file = readdir($dir)) !== false) {
257 /* Filter all files which arn't intressting */
258 if((strstr($file,$suffix))&&($file!=".")&&($file!="..")&&(strstr($file,$prefix))){
260 /* Collect informations */
261 $str[$file]=array();
262 $str[$file]['name'] = $file;
263 $str[$file]['size'] = filesize($basedir.$file);
265 /* Readfile conent too ? */
266 if(!$onlyIndex){
267 $str[$file]['content']= remove_unwanted_tags(linkwrapper(getcontents($basedir.$file),""),$replacements);
268 }
270 /* Include file status, for debugging, not used in script yet */
271 $str[$file]['stat'] = stat($basedir.$file);
272 $cnt++;
273 }
274 }
276 /* Only get on file*/
277 }else{
278 /* Pages read = 1 */
279 $cnt = 1;
281 /* Prepare result*/
282 $file = $singlepage;
283 $str[$file] = array();
284 $str[$file]['name'] = $file;
285 $str[$file]['size'] = filesize($basedir.$file);
287 /* If onlyIndex == true skip reading content */
288 if(!$onlyIndex){
289 $str[$file]['content']= remove_unwanted_tags(linkwrapper(getcontents($basedir.$file),""),$replacements);
290 }
292 /* Include file status, for debugging, not used in script yet */
293 $str[$file]['stat'] = stat($basedir.$file);
294 }
296 /* Sort to right order */
297 asort($str);
299 /* Endtime for Benchmark*/
300 $end = (time()+microtime());
301 $str['global']['cmptime'] = $end-$start;
303 /* Number of pages readed */
304 $str['global']['numpages']= $cnt;
305 closedir($dir);
306 return($str);
307 }
309 /* Read filecontent */
310 function getcontents($file)
311 {
312 $str = "" ; // Temporary variable for file contents
313 $tmp = "" ; // Temporary varibale for partitial file contents
315 /* open file and read*/
316 $fp = fopen($file,"r");
317 if($fp) {
318 while($tmp = fread($fp,512))
319 {
320 $str.= $tmp;
321 }
322 }else{
323 return(false);
324 }
325 return($str);
326 }
328 /*Remove tags */
329 function remove_unwanted_tags($str,$replacements)
330 {
331 #fixme This solution is ....
332 $str=str_replace("\n","||WasBr||",$str);
333 foreach($replacements['range'] as $var)
334 {
335 $str=preg_replace($var['from'],$var['to'],$str);
336 }
338 $str=str_replace("||WasBr||","\n",$str);
339 return($str);
340 }
342 /*Converts the all links to specified path, is needed to get simple navigation */
343 function linkwrapper($str,$link)
344 {
345 $str=str_replace("HREF=\"","href=\"".$link."?pg=",$str);
346 return($str);
347 }
351 function search($arr,$word)
352 {
353 global $minwordlength;
354 /* Prepare Vars */
355 $result =array(); // Search result, filename, + hits + hits per word + matches
356 $words =array(); // Temporary searchword handling
357 $useablewords =array(); // Temporary searchword handling
358 $tryword = ""; // Temporary searchword handling
359 $result['global']['maxhit'] = 0;
360 unset($_SESSION['lastresults']);
361 unset($_SESSION['parsed_search_keyword']);
363 /* prepare searchwords */
364 $word = trim($word);
366 /* Filter all unusable chars */
367 $word = preg_replace("[^a-z0-9_+% ]","",$word);
368 $words = split(" ",str_replace("+"," ",$word));
372 /* Check all wordlengths */
373 foreach($words as $tryword){
374 $tryword = trim($tryword);
376 /* Filter words smaler than 3 chars */
377 if(strlen($tryword)>=$minwordlength) {
378 $_SESSION['parsed_search_keyword'].=$tryword." ";
379 $useablewords[]=$tryword;
380 }
381 }
385 /* Use words to search the content */
386 foreach($arr as $key=>$val)
387 {
388 /* overallhits counts hits per page */
389 $overallhits=0;
391 /* Search all words */
392 foreach($useablewords as $word)
393 {
394 /* Skip key global, it contains no file data - it is a summary info*/
395 if($key!="global")
396 {
397 /* Get all hits for the word in $matches*/
398 preg_match_all("/".$word."/i",$arr[$key]['content'], $matches,PREG_OFFSET_CAPTURE);
400 /* Count matches */
401 $overallhits=$overallhits + count($matches[0]);
403 /* Save collected data */
404 $result[$key]['hits'][$word] = count($matches[0]);
405 $result[$key]['hits']['overall']= $overallhits;
407 /* Save max hits for page */
408 if($overallhits > $result['global']['maxhit']){
409 $result['global']['maxhit']=$overallhits;
410 }
412 /* Add results for word to return value*/
413 $result[$key]['match'][$word]=array();
414 $result[$key]['match'][$word]=$matches[0];
415 }
416 }
417 }
419 /* Save result in Session, so we can mark words later, or go back to search, without searching again*/
420 $_SESSION['lastresults'] = $result;
421 return($result);
422 }
424 /* Detect 10 Best result entries, sort and call createResultEntry to create HTML output for complete list */
425 function searchlist($arr,$res,$maxresults)
426 {
427 $global = $res['global'];
428 $topten = array(); // To detect 10 best solutions
429 $ret = ""; // return value
430 unset($res['global']);
432 /* Detect 10 best Sites */
433 foreach($res as $key=>$val){
435 /* Skip results with no hits */
436 if($val['hits']['overall']>0){
437 $topten[$key] = $val['hits']['overall'];
438 }
439 }
441 /* Sort by hit position in content, to easier mark words */
442 asort($topten);
443 $topten = array_reverse($topten);
444 $topten = (array_slice($topten,0,$maxresults));
446 /* We have a result, an array with all content, an array with hits and position and we have the 10 best hits */
447 /* Foreach */
448 foreach($topten as $name => $hits) {
449 $ret.= createResultEntry($arr[$name],$res[$name],$name,$global['maxhit']);
450 }
452 /* appending footer message for resultlist */
453 $ret.= "<br> ".count($topten)." Results for your search with the keyword <b>".$_SESSION['search_string']."</b> it is interpreted as <b>".$_SESSION['parsed_search_keyword']."</b>";
455 return($ret);
456 }
458 /* This function marks a string with the given search result for this string*/
459 function markup_page($arr,$res)
460 {
461 $ret = ""; // return value
462 $pre = "<b><u><i>" ;
463 $suf = "</i></u></b>";
464 $repl = array();
465 $posadd = 0;
467 foreach($res['match'] as $word => $matches) {
468 foreach($matches as $matchnr=>$match) {
469 $repl[$match[1]]=$match[0];
470 }
471 }
473 ksort($repl);
475 foreach($repl as $position=>$word) {
476 $pos1 = strlen($arr);
477 $arr= markword($arr,($position+$posadd),$word,$pre,$suf);
478 $pos2 = strlen($arr);
479 $posadd =$posadd + ($pos2 - $pos1);
480 }
481 return($arr);
482 }
484 /* This function marks a single word with the specified prefix and suffix */
485 function markword($string,$position,$word,$prefix,$suffix)
486 {
487 $wordlength = strlen($word);
488 $wholelength = strlen($string);
490 $first = substr($string,0,$position);
491 $last = substr($string,($position+$wordlength),$wholelength);
493 return($first.$prefix.$word.$suffix.$last);
494 }
497 /* Creates HTML output for a single search result entry */
498 function createResultEntry($entry,$res,$name,$max)
499 {
501 $percentage = (int)(($res['hits']['overall'] / $max) * 100) ;
503 $str = "<b><a href=\"?pg=".$name."&mark=1\">With ".$percentage."% hit in file ".$name."</a></b><br>" ;
504 $str.= substr(strip_tags($entry['content']),0,200);
505 $str.= "<hr>";
507 return($str);
508 }
509 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
510 ?>