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448 ddelon 1 
<?php
1965 aperonnet 2 
// $Id: ezmlm-threads.php,v 1.5.4.1 2008-11-05 09:45:04 aperonnet Exp $
448 ddelon 3 
//
4 
// ezmlm-threads.php - ezmlm-php v2.0
5 
// --------------------------------------------------------------
6 
// Builds, maintains & displays thread caches
7 
// These cache files live in $ezmlm->tmpdir and are serialized
8 
// php objects that can be unserialized and displayed easily
9 
// --------------------------------------------------------------
10 
 
11 
require_once("ezmlm.php");
12 
require_once("ezmlm-parser.php");
1336 neiluj 13 
require_once ('ezmlm-langue-fr.php');
448 ddelon 14 
 
15 
// CLASS: ezmlm_threads will build, maintain & display thread files (even if a thread is only 1 msg)
16 
class ezmlm_threads extends ezmlm_php {
17 
 
18 
	// load: this is the main function that should be called.
19 
	// it first checks to see if the cache files are stale, if they are it calls build
20 
	// other wise it loads them and calls display
21 
	function load($month) {
22 
		if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
23 
			$checksum = $this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month . "-" . "checksum";
24 
		} else {
25 
			$checksum = $this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month . "-" . "checksum";
26 
		}
27 
        $md5 = '' ;
28 
		if (!is_file($checksum)) {
29 
			$this->build($month);
30 
		} else {
31 
			$fd = fopen($checksum,"r");
32 
			while (!preg_match('/^md5:/', $md5)) { $md5 = fgets($fd,4096); }
33 
			fclose($fd);
34 
			$md5 = rtrim(preg_replace('/^md5:/', '', $md5), "\n");
35 
			if ($md5 != $this->md5_of_file($this->listdir . "/archive/threads/" . $month)) {
36 
				print "<!-- $md5 ne " . $this->md5_of_file($this->listdir . "/archive/threads/" . $month) . " -->\n";
37 
				$this->build($month);
38 
			}
39 
		}
1965 aperonnet 40 
		return $this->display($month);
448 ddelon 41 
	}
42 
 
43 
	// display: this loads each cache file sequentially and displays the messages in them
44 
	// there is no checking of checksum's done here so load() is the preferred method to
45 
	// view the threads
46 
	function display($month) {
47 
		$seq = 0;
48 
		if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
49 
			$cache = $this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month;
50 
		} else {
51 
			$cache = $this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month;
52 
		}
53 
        // Le lien par date et par thread
1965 aperonnet 54 
        $html = '[ '.$this->makelink('action=show_month&amp;actionargs[]='.$month, 'par date').' ]' ;
55 
		$months = array(1 => 'January', 2 => 'February', 3 => 'March', 4 => 'April', 5 => 'May', 6 => 'June', 7 => 'July', 8 => 'August',
56 
		9 => 'September', 10 => 'October', 11 => 'November', 12 => 'December');
448 ddelon 57 
        // remplacé par le tableau globals $mois dans ezmlm.php
1965 aperonnet 58 
		$html = '<h2>'.FIL_DE_DISCUSSION.' pour '.$GLOBALS['mois'][((int)substr($month,4,2) / 1)] .', ' . substr($month,0,4) . '</h2>'."\n";
448 ddelon 59 
 
1965 aperonnet 60 
		$html = '<table class="table_cadre">'."\n";
61 
		$html = '<tr><th>Num</th><th>De</th><th>Sujet</th><th>Date</th></tr>'."\n";
62 
		$html = '<tr><td colspan="3"><hr /></td></tr>'."\n";
448 ddelon 63 
		$ctc = 0;
64 
 
65 
		if (is_file($cache)) {
66 
			include($cache);
67 
		}
1965 aperonnet 68 
		$html = '<tr><td colspan="3"></td></tr>'."\n";
69 
        $html = '</table>'."\n";
448 ddelon 70 
        }
71 
 
72 
 
73 
	function thread_to_html($thread) {
74 
		$html = '';
75 
		$lastdepth = -1;
76 
        $ctc = 0 ;
77 
		$thread_curr = $thread;
78 
        $class = array ('ligne_paire', 'ligne_impaire') ;
79 
		while ($thread_curr != NULL) {
80 
            preg_match ('!/archive/([0-9]*)/([0-9]*)!', $thread_curr->file, $match) ;
81 
            if (!isset($GLOBALS['fichiers_analyses'][$match[1]][$match[2]])) {
82 
                $message = file_get_contents($this->listdir . "/archive/" . $msgdir . "/" . $msgfile) ;
83 
                $mimeDecode = new Mail_mimeDecode($message) ;
84 
                $mailDecode = $mimeDecode->decode() ;
85 
                //$msg = new ezmlm_parser();
86 
                //$msg->parse_file($this->listdir . $thread_curr->file, TRUE);
87 
 
88 
            } else {
89 
                $mailDecode = $GLOBALS['fichiers_analyses'][$match[1]][$match[2]] ;
90 
            }
91 
            $actionargs = preg_split("/\//", $thread_curr->file);
92 
			$html .= '<tr class="'.$class[$ctc].'">'."\n";
93 
			$html .= '<td>'.$actionargs[2].$actionargs[3].'</td><td>';
94 
			$html .= $this->makelink('action=show_author_msgs&amp;actionargs[]='.
95 
                    $this->makehash($this->decode_iso($mailDecode->headers['from'])),$this->decode_iso($this->protect_email($mailDecode->headers['from'],TRUE)));
96 
			$html .= '</td>'."\n";
97 
			$html .= '<td><b>';
98 
			//$html .= " <a name=\"" . urlencode($thread_curr->file) . "\">";    A quoi ça sert ?
99 
			for ($i = 0; $i < $thread_curr->depth; $i++) {
100 
				$html .= "&nbsp;&nbsp;";
101 
			}
102 
			if (($this->thread_subjlen > 0) and (strlen($this->decode_iso($mailDecode->headers['subject'])) > $this->thread_subjlen)) {
103 
				$subject = substr($this->decode_iso($mailDecode->headers['subject']), 0, ($this->thread_subjlen - 3 - ($thread_curr->depth * 2)));
104 
				$subject = $subject . "...";
105 
			} else {
106 
				$subject = $this->decode_iso($mailDecode->headers['subject']);
107 
			}
108 
 
109 
 
110 
			$subject = preg_replace("/\[" . $this->listname . "\]/", "", $subject);
111 
			$html .= $this->makelink("action=show_msg&amp;actionargs[]=" . $actionargs[2] . "&amp;actionargs[]=" . $actionargs[3], $subject);
112 
			$html .= "</b></td>\n";
113 
			$html .= '<td>' .$this->date_francaise($mailDecode->headers['date']).'</td>'."\n";
114 
			$html .= "</tr>\n";
115 
 
116 
			$ctc++;
117 
			if ($ctc == count($this->tablecolours)) { $ctc = 0; }
118 
 
119 
			$lastdepth = $thread_curr->depth;
120 
			$thread_curr = $thread_curr->next;
121 
		}
122 
 
123 
		$html .= '<tr><td colspan="3"><hr noshade size="1" /></td></tr>'."\n";
124 
		return $html;
125 
	}
126 
 
127 
	// build: takes one argument in the format YYYYMM and builds the thread cache file
128 
	// for that month if the ezmlm thread file exists. The resulting cache file is then
129 
	// stored in $this->tmpdir;
130 
	function build($month) {
131 
		if (!is_file($this->listdir . "/archive/threads/" . $month)) { return FALSE; }
132 
 
133 
		if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
134 
                        $fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month,"w+");
135 
                } else {
136 
                        $fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month,"w+");
137 
                }
138 
		fclose($fd2);
139 
        $i=0;
140 
        // ouverture du fichier thread de ezmlm
141 
        // Ils sont classés mois par mois
142 
		$fd1 = fopen($this->listdir . "/archive/threads/" . $month, "r");
143 
		while (!feof($fd1)) {
144 
			$line = fgets($fd1,4096);
145 
			if (preg_match('/^[0-9]*\:[a-z]* \[.*/', $line)) {
146 
				// valid ezmlm thread file entry
147 
 
148 
                // On place dans $subjectfile le chemin vers le fichier sujet
149 
				$subjectfile = preg_replace("/^[0-9]*\:([a-z]*) \[.*/", "\\1", $line);
150 
                $subjectfile = substr($subjectfile,0,2) . '/' . substr($subjectfile,2,18);
151 
 
152 
				$thread_head = NULL;
153 
				$thread_curr = NULL;
154 
				$thread_temp = NULL;
155 
				$thread_depth = 1;
156 
 
157 
				if (!is_file($this->listdir . "/archive/subjects/" . $subjectfile)) { continue; }
158 
                // on ouvre le fichier sujet
159 
                // Celui-ci contient sur la première ligne le hash du sujet puis le sujet
160 
                // sur les autres lignes :
161 
                // num_message:annéemois:hash_auteur nom_auteur
162 
				$fd2 = fopen($this->listdir . "/archive/subjects/" . $subjectfile, "r");
163 
				while (!feof($fd2)) {
164 
					$line2 = fgets($fd2,4096);
165 
					if (preg_match('/^[0-9]/',$line2)) {
166 
						$msgnum = preg_replace('/^([0-9]*):.*/', '\\1', $line2);
167 
						$msgfile = $msgnum % 100;
168 
                        $msgdir  = (int)($msgnum / 100);
169 
						if ($msgfile < 10) { $msgfile = "0" . $msgfile; }
170 
						//$msg = new ezmlm_parser();
171 
						//$msg->parse_file_headers($this->listdir . "/archive/" . $msgdir . "/" . $msgfile, TRUE);
172 
 
173 
                        $message = file_get_contents($this->listdir . "/archive/" . $msgdir . "/" . $msgfile) ;
174 
                        $mimeDecode = new Mail_mimeDecode($message) ;
175 
                        $mailDecode = $mimeDecode->decode() ;
176 
 
177 
 
178 
 
1336 neiluj 179 
                        // On stocke le fichier analysée pour réutilisation ultàrieure
448 ddelon 180 
                        $GLOBALS['fichiers_analyses'][$msgdir][$msgfile] =  $mailDecode ;
181 
						$msgid = (isset ($mailDecode->headers['message-id']) ? $mailDecode->headers['message-id'] : '');
182 
						$inreply = (isset($mailDecode->headers['in-reply-to']) ? $mailDecode->headers['in-reply-to'] : '');
183 
						$references = (isset ($mailDecode->headers['references']) ? $mailDecode->headers['references'] : '') ;
184 
						$thread_depth = 1;
185 
 
186 
						if ($thread_head == NULL) {
187 
							$thread_head = new ezmlm_thread(0,'/archive/' . $msgdir . '/' . $msgfile,$msgid);
188 
						} else {
189 
							$thread_curr = new ezmlm_thread($depth,'/archive/' . $msgdir . '/' . $msgfile,$msgid);
190 
							if ($inreply != '') { $thread_curr->inreply = $inreply; }
191 
							if ($references != '') { $thread_curr->references = $references; }
192 
							$thread_head->append($thread_curr);
193 
						}
194 
					}
195 
				}
196 
				fclose($fd2);
197 
 
198 
				// so now after all that mess $thread_head contains a full thread tree
199 
				// first build the depth of each message based on 'in-reply-to' and 'references'
200 
				unset($thread_temp);
201 
				$thread_temp = NULL;
202 
				$thread_curr =& $thread_head->next;
203 
				while (get_class($thread_curr) == 'ezmlm_thread') {
204 
					unset($thread_temp);
205 
					$thread_temp = NULL;
206 
 
207 
					if ($thread_curr->inreply != '') { $thread_temp =& $thread_head->find_msgid($thread_curr->inreply); }
208 
					if ($thread_temp == NULL) {
209 
						if ($thread_curr->references != '') {
210 
							$refs = preg_split('/ /', $thread_curr->references);
211 
							$refs = array_pop($refs);
212 
							$thread_temp =& $thread_head->find_msgid($refs);
213 
						}
214 
					}
215 
					if ($thread_temp == NULL) {
216 
						// we couldn't find anything... set depth to 1, the default
217 
						$thread_curr->depth = 1;
218 
					} else {
219 
						// we found a reference, set it to it's depth + 1
220 
						$thread_curr->depth = $thread_temp->depth + 1;
221 
					}
222 
					$thread_curr =& $thread_curr->next;
223 
				}
224 
 
225 
				// now write it to a temp file named MONTH-SEQ where seq is cronologic sequence order of the thread.
226 
				if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
227 
					@mkdir($this->tempdir . "/ezmlm-php-" . $this->listname, 0755);
228 
					if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
229 
						$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month, "a");
230 
					} else {
231 
						$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month, "a");
232 
					}
233 
				} else {
234 
					$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month, "a");
235 
				}
236 
				fputs($fd2,$this->thread_to_html($thread_head));
237 
				fclose($fd2);
238 
			}
239 
		}
240 
 
241 
		// finally store our checksum
242 
		if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
243 
			$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month . "-" . "checksum","w+");
244 
		} else {
245 
			$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month . "-" . "checksum","w+");
246 
		}
247 
		fputs($fd2,"md5:" . $this->md5_of_file($this->listdir . "/archive/threads/" . $month) . "\n");
248 
		fclose($fd2);
249 
		fclose($fd1);
250 
 
251 
		return TRUE;
252 
	}
253 
 
254 
	// listmessages: prints out a nice little calendar and displays the message
255 
	// totals for each month. The link jumps to the thread listing.
1965 aperonnet 256 
    // On lit le repetoire archive/threads/ qui contient un fichier par moi avec tous les thread, par sujet
257 
    // Presentes comme suit
448 ddelon 258 
    // num_thread:hash [taille_du_thread] Sujet du thread (le dernier)
1965 aperonnet 259 
    // les messages sont ranges par leur numero
448 ddelon 260 
	function listmessages() {
261 
        if (!is_dir($this->listdir . "/archive/threads/")) {
262 
            return false ;
263 
        }
1965 aperonnet 264 
 
265 
        $res = '<table id="petit_calendrier">'."\n";
266 
        $res .= " <tr>\n";
267 
		$res .= "  <td></td>" ;
268 
        foreach ($GLOBALS['mois'] as $valeur) $res .= '<th>'.$valeur.'</th>' ;
269 
		$res .=" </tr>\n";
270 
        $res .= $this->calendrierMessage();
271 
        $res .= "</table>\n";
272 
        return $res;
273 
        /*
1336 neiluj 274 
        $threadcount = array();
275 
 
276 
		$repertoire_archive = opendir($this->listdir . "/archive/");
1965 aperonnet 277 
		$tableau_annee = array();
1336 neiluj 278 
		while (false !== ($item = readdir($repertoire_archive))) {
279 
			// $item contient les noms des repertoires
280 
			// on ne garde que ceux qui sont des chiffres
281 
 
282 
			if (preg_match('/[0-9]+/', $item)) {
283 
				// on ouvre le fichier d index de chaque repertoire
284 
				$fichier_index = fopen($this->listdir.'/archive/'.$item.'/index', 'r');
285 
				$compteur = 0 ;
286 
 
287 
				while (!feof($fichier_index)) {
288 
					// On ignore la premiere ligne
289 
					$temp = fgets($fichier_index, 4096);
290 
					// dans la seconde on recupere la date
291 
					$temp = fgets($fichier_index, 4096);
292 
					preg_match('/\t([0-9]+) ([a-zA-Z][a-zA-Z][a-zA-Z]) ([0-9][0-9][0-9][0-9])/', $temp, $match) ;
293 
					if ($match[0] != '') {
1965 aperonnet 294 
 
1336 neiluj 295 
						$threadmonth = date('n', strtotime($match[0]))  ;
296 
						$threadyear = date('Y', strtotime($match[0])) ;
297 
						$threadcount[$threadyear][$threadmonth]++;
1965 aperonnet 298 
						if (!in_array($threadyear, $tableau_annee)) array_push ($tableau_annee, $threadyear);
1336 neiluj 299 
					}
448 ddelon 300 
				}
1336 neiluj 301 
				fclose ($fichier_index);
448 ddelon 302 
			}
303 
		}
1965 aperonnet 304 
		if (count($threadcount) == 0) return 'Il n\y a pas de messages dans les archives';
305 
        // La partie qui suit, simple, cree la table avec le nombre de message echange chaque mois
551 alexandre_ 306 
		$res = '<table id="petit_calendrier">'."\n";
448 ddelon 307 
		$res .= " <tr>\n";
308 
		$res .= "  <td></td>" ;
1965 aperonnet 309 
        foreach ($GLOBALS['mois'] as $valeur) $res .= '<th>'.$valeur.'</th>' ;
448 ddelon 310 
		$res .=" </tr>\n";
1965 aperonnet 311 
		arsort($tableau_annee);
312 
		foreach ($tableau_annee as $annee) {
448 ddelon 313 
			$res .= " <tr>\n";
1965 aperonnet 314 
			$res .= '  <td class="col_annee">'.$annee.'</td>';
448 ddelon 315 
			for ($i = 1; $i <= 12; $i++) {
1965 aperonnet 316 
				$res .= '<td class="mois">';
317 
				if (isset($threadcount[$annee][$i]) && $threadcount[$annee][$i] > 0) {
318 
                    $res .= $this->makelink('action=show_month&amp;actionargs[]='.$annee.($i < 10 ? '0'.$i:$i),$threadcount[$annee][$i]);
319 
				}
320 
				$res .= '</td>';
448 ddelon 321 
			}
1965 aperonnet 322 
			$res .= '</tr>'."\n";
448 ddelon 323 
		}
324 
		$res .= "</table>\n";
1965 aperonnet 325 
        return $res ;
326 
        */
448 ddelon 327 
	}
1965 aperonnet 328 
	/*
329 
	 *  Cree un fichier liste.calendrierPermanent qui contient
330 
	 *  le nombre de message par mois pour toutes les annees
331 
	 *  depuis le debut de la liste sauf la derniere
332 
	 *
333 
	 */
334 
	function calculeCalendrierPermanent($Annnee = '') {
335 
		$numArchive = $this->getNumArchive();
336 
		$dernierRepertoire = floor($numArchive / 100);
337 
 
338 
		$threadcount = array();
339 
		$tableau_annee = array();
340 
 
341 
 
342 
		for ($rep_courant = $dernierRepertoire; $rep_courant >= 0; $rep_courant--) {
343 
			$fichier_index = file ($this->listdir.'/archive/'.$rep_courant.'/index', FILE_IGNORE_NEW_LINES);
344 
 
345 
			// On parcours le fichier a l envers
346 
			for ($j = count($fichier_index)-1; $j >= 0; $j-=2) {
347 
				preg_match('/\t([0-9]+) ([a-zA-Z][a-zA-Z][a-zA-Z]) ([0-9][0-9][0-9][0-9])/', $fichier_index[$j], $match) ;
348 
				if ($match[0] != '') {
349 
					$threadmonth = date('n', strtotime($match[0]))  ;
350 
					$threadyear = date('Y', strtotime($match[0])) ;
351 
					if ($Annnee != '') {
352 
						if ($threadyear < date('Y')) {
353 
							$sortir = true;
354 
							break;
355 
						}
356 
					}  else {
357 
						if ($threadyear == date('Y')) continue;
358 
					}
359 
					$threadcount[$threadyear][$threadmonth]++;
360 
					if (!in_array($threadyear, $tableau_annee)) array_push ($tableau_annee, $threadyear);
361 
				}
362 
			}
363 
			if ($sortir) break;
364 
		}
365 
		$res = '';
366 
		arsort($tableau_annee);
367 
		foreach ($tableau_annee as $annee) {
368 
			$res .= " <tr>\n";
369 
			$res .= '  <td class="col_annee">'.$annee.'</td>';
370 
			for ($i = 1; $i <= 12; $i++) {
371 
				$res .= '<td class="mois">';
372 
				if (isset($threadcount[$annee][$i]) && $threadcount[$annee][$i] > 0) {
373 
                    $res .= $this->makelink('action=show_month&amp;actionargs[]='.$annee.($i < 10 ? '0'.$i:$i),$threadcount[$annee][$i]);
374 
				}
375 
				$res .= '</td>';
376 
			}
377 
			$res .= '</tr>'."\n";
378 
		}
379 
		return $res;
380 
	}
381 
	function ecrireFichierCalendrier() {
382 
		$html = $this->calculeCalendrierPermanent();
383 
		$f = fopen ('tmp/'.$this->listname.'.calendrier', 'w') ;
384 
		fwrite ($f, $html);
385 
		fclose($f);
386 
		return $html;
387 
	}
388 
 
389 
	function calendrierMessage() {
390 
		$html = '';
391 
		// On ajoute la derniere annee
392 
		$html .= $this->calculeCalendrierPermanent(date ('Y'));
393 
 
394 
		if ($this->isFichierCalendrierExiste()) {
395 
			// S il existe mais qu il est trop vieux, il faut le recalculer
396 
			if ($this->isDoitRecalculerCalendrier()) {
397 
				$annees = $this->getAnneesARecalculer();
398 
				$html .= $this->calculeCalendrierPermanent($annees);
399 
		    }
400 
			$html .= file_get_contents('tmp/'.$this->listname.'.calendrier');
401 
		} else {
402 
			$html .= $this->ecrireFichierCalendrier();
403 
		}
404 
		return $html;
405 
	}
406 
 
407 
	function isFichierCalendrierExiste() {
408 
		if (file_exists('tmp/'.$this->listname.'.calendrier')) {
409 
			return true;
410 
		}
411 
		return false;
412 
	}
413 
	function isDoitRecalculerCalendrier() {
414 
 
415 
		if (date ('Y', fileatime('tmp/'.$this->listname.'.calendrier')) != date('Y')) return true;
416 
		return false;
417 
	}
418 
 
419 
	function getAnneesARecalculer() {
420 
		// On suppose que l index de ezmlm est correct
421 
		$anneeFichierCalendrier = date ('Y', fileatime('tmp/'.$this->listname.'.calendrier'));
422 
		return $anneeFichierCalendrier + 1;
423 
	}
424 
 
448 ddelon 425 
}
426 
 
427 
// CLASS: ezmlm-thread is a quick little class to allow us to define
428 
// a structure of the current thread in a single-linked list.
429 
// it's a little messy since php doesn't support pointers like C does
430 
// so we have to use references and a head object to append to the list.
431 
class ezmlm_thread {
432 
	var $next;
433 
	var $depth;
434 
	var $file;
435 
	var $msgid;
436 
	var $inreply;
437 
	var $references;
438 
	function append($thread) {
439 
		$thread_curr =& $this;
440 
		while ($thread_curr->next != NULL) {
441 
			$thread_curr =& $thread_curr->next;
442 
		}
443 
		$thread_curr->next = $thread;
444 
	}
445 
	function &find_msgid($msgid) {
446 
		$thread_curr =& $this;
447 
		while ($thread_curr->next != NULL) {
448 
			if (trim($thread_curr->msgid) == trim($msgid)) { return $thread_curr; }
449 
			$thread_curr =& $thread_curr->next;
450 
		}
451 
		return NULL;
452 
	}
453 
	function ezmlm_thread($depth,$file,$msgid) {
454 
		$this->depth = $depth;
455 
		$this->file  = $file;
456 
		$this->msgid = $msgid;
457 
		$this->next = NULL;
458 
	}
459 
}
460 
?>