file.php

   1 <?php
   2 /////////////////////////////////////////////////
   3 // PukiWiki - Yet another WikiWikiWeb clone.
   4 //
   5 // $Id: file.php,v 1.37 2003/11/05 10:58:39 arino Exp $
   6 //
   7
   8 // ¥½¡¼¥¹¤ò¼èÆÀ
   9 function get_source($page=NULL)
  10 {
  11         if (!is_page($page))
  12         {
  13                 return array();
  14         }
  15         return str_replace("\r",'',file(get_filename($page)));
  16 }
  17
  18 // ¥Ú¡¼¥¸¤Î¹¹¿·»þ¹ï¤òÆÀ¤ë
  19 function get_filetime($page)
  20 {
  21         if (!is_page($page))
  22         {
  23                 return 0;
  24         }
  25         return filemtime(get_filename($page)) - LOCALZONE;
  26 }
  27
  28 // ¥Ú¡¼¥¸¤Î¥Õ¥¡¥¤¥ëÌ¾¤òÆÀ¤ë
  29 function get_filename($page)
  30 {
  31         return DATA_DIR.encode($page).'.txt';
  32 }
  33
  34 // ¥Ú¡¼¥¸¤Î½ÐÎÏ
  35 function page_write($page,$postdata,$notimestamp=FALSE)
  36 {
  37         $postdata = make_str_rules($postdata);
  38
  39         // º¹Ê¬¥Õ¥¡¥¤¥ë¤ÎºîÀ®
  40         $oldpostdata = is_page($page) ? join('',get_source($page)) : '';
  41         $diffdata = do_diff($oldpostdata,$postdata);
  42         file_write(DIFF_DIR,$page,$diffdata);
  43
  44         // ¥Ð¥Ã¥¯¥¢¥Ã¥×¤ÎºîÀ®
  45         make_backup($page,$postdata == '');
  46
  47         // ¥Õ¥¡¥¤¥ë¤Î½ñ¤¹þ¤ß
  48         file_write(DATA_DIR,$page,$postdata,$notimestamp);
  49
  50         // TrackBack Ping ¤ÎÁ÷¿®
  51         // ¡ÖÄÉ²Ã¡×¹Ô¤òÃê½Ð
  52         $lines = join("\n",preg_replace('/^\+/','',preg_grep('/^\+/',explode("\n",$diffdata))));
  53         tb_send($page,$lines);
  54
  55         // link¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò¹¹¿·
  56         links_update($page);
  57 }
  58
  59 // ¥æ¡¼¥¶ÄêµÁ¥ë¡¼¥ë(¥½¡¼¥¹¤òÃÖ´¹¤¹¤ë)
  60 function make_str_rules($str)
  61 {
  62         global $str_rules,$fixed_heading_anchor;
  63
  64         $arr = explode("\n",$str);
  65
  66         $retvars = array();
  67         foreach ($arr as $str)
  68         {
  69                 if ($str != '' and $str{0} != ' ' and $str{0} != "\t")
  70                 {
  71                         foreach ($str_rules as $rule => $replace)
  72                         {
  73                                 $str = preg_replace("/$rule/",$replace,$str);
  74                         }
  75                 }
  76                 // ¸«½Ð¤·¤Ë¸ÇÍID¤òÉÕÍ¿¤¹¤ë
  77                 if ($fixed_heading_anchor and
  78                         preg_match('/^(\*{1,3}(.(?!\[#[A-Za-z][\w-]+\]))+)$/',$str,$matches))
  79                 {
  80                         // ¸ÇÍID¤òÀ¸À®¤¹¤ë
  81                         // ¥é¥ó¥À¥à¤Ê±Ñ»ú(1Ê¸»ú)+md5¥Ï¥Ã¥·¥å¤Î¥é¥ó¥À¥à¤ÊÉôÊ¬Ê¸»úÎó(7Ê¸»ú)
  82                         $anchor = chr(mt_rand(ord('a'),ord('z'))).
  83                                 substr(md5(uniqid(substr($matches[1],0,100),1)),mt_rand(0,24),7);
  84                         $str = rtrim($matches[1])." [#$anchor]";
  85                 }
  86                 $retvars[] = $str;
  87         }
  88
  89         return join("\n",$retvars);
  90 }
  91
  92 // ¥Õ¥¡¥¤¥ë¤Ø¤Î½ÐÎÏ
  93 function file_write($dir,$page,$str,$notimestamp=FALSE)
  94 {
  95         global $post,$update_exec;
  96         global $_msg_invalidiwn;
  97         global $notify,$notify_diff_only,$notify_to,$notify_from,$notify_subject,$notify_header;
  98         global $smtp_server,$smtp_auth;
  99
 100         if (!is_pagename($page))
 101         {
 102                 die_message(
 103                         str_replace('$1',htmlspecialchars($page),
 104                                 str_replace('$2','WikiName',$_msg_invalidiwn)
 105                         )
 106                 );
 107         }
 108         $page = strip_bracket($page);
 109         $timestamp = FALSE;
 110         $file = $dir.encode($page).'.txt';
 111
 112         if ($dir == DATA_DIR and $str == '' and file_exists($file))
 113         {
 114                 unlink($file);
 115         }
 116         if ($str != '')
 117         {
 118                 $str = preg_replace("/\r/",'',$str);
 119                 $str = rtrim($str)."\n";
 120
 121                 if ($notimestamp and file_exists($file))
 122                 {
 123                         $timestamp = filemtime($file) - LOCALZONE;
 124                 }
 125
 126                 $fp = fopen($file,'w')
 127                         or die_message('cannot write page file or diff file or other'.htmlspecialchars($page).'<br />maybe permission is not writable or filename is too long');
 128                 flock($fp,LOCK_EX);
 129                 fputs($fp,$str);
 130                 flock($fp,LOCK_UN);
 131                 fclose($fp);
 132                 if ($timestamp)
 133                 {
 134                         touch($file,$timestamp + LOCALZONE);
 135                 }
 136         }
 137
 138         // is_page¤Î¥¥ã¥Ã¥·¥å¤ò¥¯¥ê¥¢¤¹¤ë¡£
 139         is_page($page,TRUE);
 140
 141         if (!$timestamp and $dir == DATA_DIR)
 142         {
 143                 put_lastmodified();
 144         }
 145
 146         if ($update_exec and $dir == DATA_DIR)
 147         {
 148                 system($update_exec.' > /dev/null &');
 149         }
 150
 151         if ($notify and $dir == DIFF_DIR)
 152         {
 153                 if ($notify_diff_only)
 154                 {
 155                         // º¹Ê¬¤À¤±¤òÁ÷¿®¤¹¤ë
 156                         $str = preg_replace('/^[^-+].*\n/m','',$str);
 157                 }
 158                 if ($smtp_auth)
 159                 {
 160                         pop_before_smtp();
 161                 }
 162                 $subject = str_replace('$page',$page,$notify_subject);
 163                 ini_set('SMTP',$smtp_server);
 164                 mb_language(LANG);
 165                 mb_send_mail($notify_to,$subject,$str,$notify_header);
 166         }
 167 }
 168
 169 // ºÇ½ª¹¹¿·¥Ú¡¼¥¸¤Î¹¹¿·
 170 function put_lastmodified()
 171 {
 172         global $maxshow,$whatsnew,$non_list,$autolink;
 173
 174         $pages = get_existpages();
 175         $recent_pages = array();
 176         foreach($pages as $page)
 177         {
 178                 if ($page != $whatsnew and !preg_match("/$non_list/",$page))
 179                 {
 180                         $recent_pages[$page] = get_filetime($page);
 181                 }
 182         }
 183
 184         //»þ¹ï¹ß½ç¤Ç¥½¡¼¥È
 185         arsort($recent_pages,SORT_NUMERIC);
 186
 187         // create recent.dat (for recent.inc.php)
 188         $fp = fopen(CACHE_DIR.'recent.dat','w')
 189                 or die_message('cannot write cache file '.CACHE_DIR.'recent.dat<br />maybe permission is not writable or filename is too long');
 190         flock($fp,LOCK_EX);
 191         foreach ($recent_pages as $page=>$time)
 192         {
 193                 fputs($fp,"$time\t$page\n");
 194         }
 195         flock($fp,LOCK_UN);
 196         fclose($fp);
 197
 198         // create RecentChanges
 199         $fp = fopen(get_filename($whatsnew),'w')
 200                 or die_message('cannot write page file '.htmlspecialchars($whatsnew).'<br />maybe permission is not writable or filename is too long');
 201         flock($fp,LOCK_EX);
 202         foreach (array_splice($recent_pages,0,$maxshow) as $page=>$time)
 203         {
 204                 $s_lastmod = htmlspecialchars(format_date($time));
 205                 $s_page = htmlspecialchars($page);
 206                 fputs($fp, "-$s_lastmod - [[$s_page]]\n");
 207         }
 208         fputs($fp,"#norelated\n"); // :)
 209         flock($fp,LOCK_UN);
 210         fclose($fp);
 211
 212         // for autolink
 213         if ($autolink)
 214         {
 215                 list($pattern,$pattern_a,$forceignorelist) = get_autolink_pattern($pages);
 216
 217                 $fp = fopen(CACHE_DIR.'autolink.dat','w')
 218                         or die_message('cannot write autolink file '.CACHE_DIR.'/autolink.dat<br />maybe permission is not writable');
 219                 flock($fp,LOCK_EX);
 220                 fputs($fp,$pattern."\n");
 221                 fputs($fp,$pattern_a."\n");
 222                 fputs($fp,join("\t",$forceignorelist)."\n");
 223                 flock($fp,LOCK_UN);
 224                 fclose($fp);
 225         }
 226 }
 227
 228 // »ØÄê¤µ¤ì¤¿¥Ú¡¼¥¸¤Î·Ð²á»þ¹ï
 229 function get_pg_passage($page,$sw=TRUE)
 230 {
 231         global $show_passage;
 232         static $pg_passage = array();
 233
 234         if (!$show_passage)
 235         {
 236                 return '';
 237         }
 238
 239         if (!array_key_exists($page,$pg_passage))
 240         {
 241                 $pg_passage[$page] = (is_page($page) and $time = get_filetime($page)) ?
 242                         get_passage($time) : '';
 243         }
 244
 245         return $sw ? "<small>{$pg_passage[$page]}</small>" : " {$pg_passage[$page]}";
 246 }
 247
 248 // Last-Modified ¥Ø¥Ã¥À
 249 function header_lastmod($page=NULL)
 250 {
 251         global $lastmod;
 252
 253         if ($lastmod and is_page($page))
 254         {
 255                 header('Last-Modified: '.date('D, d M Y H:i:s',get_filetime($page)).' GMT');
 256         }
 257 }
 258
 259 // Á´¥Ú¡¼¥¸Ì¾¤òÇÛÎó¤Ë
 260 function get_existpages($dir=DATA_DIR,$ext='.txt')
 261 {
 262         $aryret = array();
 263
 264         $pattern = '^((?:[0-9A-F]{2})+)';
 265         if ($ext != '')
 266         {
 267                 $pattern .= preg_quote($ext,'/').'$';
 268         }
 269         $dp = @opendir($dir)
 270                 or die_message($dir. ' is not found or not readable.');
 271         while ($file = readdir($dp))
 272         {
 273                 if (preg_match("/$pattern/",$file,$matches))
 274                 {
 275                         $aryret[$file] = decode($matches[1]);
 276                 }
 277         }
 278         closedir($dp);
 279         return $aryret;
 280 }
 281 // ¥Ú¡¼¥¸Ì¾¤ÎÆÉ¤ß¤òÇÛÎó¤Ë
 282 function get_readings()
 283 {
 284         global $pagereading_enable, $pagereading_kanji2kana_converter;
 285         global $pagereading_kanji2kana_encoding, $pagereading_chasen_path;
 286         global $pagereading_kakasi_path, $pagereading_config_page;
 287
 288         $pages = get_existpages();
 289
 290         $readings = array();
 291         foreach ($pages as $page) {
 292                 $readings[$page] = '';
 293         }
 294         foreach (get_source($pagereading_config_page) as $line) {
 295                 $line = preg_replace('/[\s\r\n]+$/', '', $line);
 296                 if(preg_match('/^-\[\[([^]]+)\]\]\s(.+)$/', $line, $matches)
 297                    and isset($readings[$matches[1]])) {
 298                         $readings[$matches[1]] = $matches[2];
 299                 }
 300         }
 301         if($pagereading_enable) {
 302                 // ChaSen/KAKASI ¸Æ¤Ó½Ð¤·¤¬Í¸ú¤ËÀßÄê¤µ¤ì¤Æ¤¤¤ë¾ì¹ç
 303                 $unknownPage = FALSE;
 304                 // ÆÉ¤ß¤¬ÉÔÌÀ¤Î¥Ú¡¼¥¸¤¬¤¢¤ë¤«¥Á¥§¥Ã¥¯
 305                 foreach ($readings as $page => $reading) {
 306                         if($reading=='') {
 307                                 $unknownPage = TRUE;
 308                                 break;
 309                         }
 310                 }
 311                 if($unknownPage) {
 312                         // ÆÉ¤ß¤¬ÉÔÌÀ¤Î¥Ú¡¼¥¸¤¬¤¢¤ë¾ì¹ç
 313                         //                      $tmpfname = tempnam(CACHE_DIR, 'PageReading');
 314                         $tmpfname = tempnam(CACHE_DIR, 'PageReading');
 315                         $fp = fopen($tmpfname, "w")
 316                                 or die_message("cannot write temporary file '$tmpfname'.\n");
 317                         foreach ($readings as $page => $reading) {
 318                                 if($reading=='') {
 319                                         fputs($fp, mb_convert_encoding("$page\n", $pagereading_kanji2kana_encoding, SOURCE_ENCODING));
 320                                 }
 321                         }
 322                         fclose($fp);
 323                         // ChaSen/KAKASI ¤ò¼Â¹Ô
 324                         switch(strtolower($pagereading_kanji2kana_converter)) {
 325                         case 'chasen':
 326                                 if(!file_exists($pagereading_chasen_path)) {
 327                                         unlink($tmpfname);
 328                                         die_message("CHASEN not found: $pagereading_chasen_path");
 329                                 }
 330                                 $fp = popen("$pagereading_chasen_path -F %y $tmpfname", "r");
 331                                 if(!$fp) {
 332                                         unlink($tmpfname);
 333                                         die_message("ChaSen execution failed: $pagereading_chasen_path -F %y $tmpfname");
 334                                 }
 335                                 break;
 336                         case 'kakasi':
 337                         case 'kakashi':
 338                                 if(!file_exists($pagereading_kakasi_path)) {
 339                                         unlink($tmpfname);
 340                                         die_message("KAKASI not found: $pagereading_kakasi_path");
 341                                 }
 342                                 $fp = popen("$pagereading_kakasi_path -kK -HK -JK <$tmpfname", "r");
 343                                 if(!$fp) {
 344                                         unlink($tmpfname);
 345                                         die_message("KAKASI execution failed: $pagereading_kakasi_path -kK -HK -JK <$tmpfname");
 346                                 }
 347                                 break;
 348                         default:
 349                                 die_message("unknown kanji-kana converter: $pagereading_kanji2kana_converter.");
 350                                 break;
 351                         }
 352                         foreach ($readings as $page => $reading) {
 353                                 if($reading=='') {
 354                                         $line = fgets($fp);
 355                                         $line = mb_convert_encoding($line, SOURCE_ENCODING, $pagereading_kanji2kana_encoding);
 356                                         $line = preg_replace('/[\s\r\n]+$/', '', $line);
 357                                         $readings[$page] = $line;
 358                                 }
 359                         }
 360                         pclose($fp);
 361                         unlink($tmpfname) or die_message("temporary file can not be removed: $tmpfname");
 362                         // ÆÉ¤ß¤Ç¥½¡¼¥È
 363                         asort($readings);
 364
 365                         // ¥Ú¡¼¥¸¤ò½ñ¤¹þ¤ß
 366                         $body = '';
 367                         foreach ($readings as $page => $reading) {
 368                                 $body .= "-[[$page]] $reading\n";
 369                         }
 370                         page_write($pagereading_config_page, $body);
 371                 }
 372         }
 373
 374         // ÆÉ¤ßÉÔÌÀ¤Î¥Ú¡¼¥¸¤Ï¡¢¤½¤Î¤Þ¤Þ¥Ú¡¼¥¸Ì¾¤òÊÖ¤¹ (ChaSen/KAKASI ¸Æ
 375         // ¤Ó½Ð¤·¤¬Ìµ¸ú¤ËÀßÄê¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¤ä¡¢ChaSen/KAKASI ¸Æ¤Ó½Ð¤·¤Ë
 376         // ¼ºÇÔ¤·¤¿»þ¤Î°Ù)
 377         foreach ($pages as $page) {
 378                 if($readings[$page]=='') {
 379                         $readings[$page] = $page;
 380                 }
 381         }
 382
 383         return $readings;
 384 }
 385 //¥Õ¥¡¥¤¥ëÌ¾¤Î°ìÍ÷¤òÇÛÎó¤Ë(¥¨¥ó¥³¡¼¥ÉºÑ¤ß¡¢³ÈÄ¥»Ò¤ò»ØÄê)
 386 function get_existfiles($dir,$ext)
 387 {
 388         $aryret = array();
 389
 390         $pattern = '^(?:[0-9A-F]{2})+'.preg_quote($ext,'/').'$';
 391         $dp = @opendir($dir)
 392                 or die_message($dir. ' is not found or not readable.');
 393         while ($file = readdir($dp)) {
 394                 if (preg_match("/$pattern/",$file)) {
 395                         $aryret[] = $dir.$file;
 396                 }
 397         }
 398         closedir($dp);
 399         return $aryret;
 400 }
 401 //¤¢¤ë¥Ú¡¼¥¸¤Î´ØÏ¢¥Ú¡¼¥¸¤òÆÀ¤ë
 402 function links_get_related($page)
 403 {
 404         global $vars,$related;
 405         static $links = array();
 406
 407         if (array_key_exists($page,$links))
 408         {
 409                 return $links[$page];
 410         }
 411
 412         // ²ÄÇ½¤Ê¤émake_link()¤ÇÀ¸À®¤·¤¿´ØÏ¢¥Ú¡¼¥¸¤ò¼è¤ê¹þ¤à
 413         $links[$page] = ($page == $vars['page']) ? $related : array();
 414
 415         // ¥Ç¡¼¥¿¥Ù¡¼¥¹¤«¤é´ØÏ¢¥Ú¡¼¥¸¤òÆÀ¤ë
 416         $links[$page] += links_get_related_db($vars['page']);
 417
 418         return $links[$page];
 419 }
 420 ?>