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2 ddelon 1 
<?php
308 alexandre_ 2 
// $Id: ezmlm-threads.php,v 1.6 2008-08-25 15:19:15 alexandre_tb Exp $
2 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");
208 neiluj 13 
require_once ('ezmlm-langue-fr.php');
2 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 
		}
40 
		$this->display($month);
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 . "/" . $month;
52 
		}
53 
        // Le lien par date et par thread
54 
        echo '[ '.$this->makelink('action=show_month&amp;actionargs[]='.$month, 'par date').' ]' ;
55 
		$months = array(1 => 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December');
56 
        // remplacé par le tableau globals $mois dans ezmlm.php
208 neiluj 57 
		print '<h2>'.FIL_DE_DISCUSSION.' pour '.$GLOBALS['mois'][((int)substr($month,4,2) / 1)] .', ' . substr($month,0,4) . '</h2>'."\n";
2 ddelon 58 
 
59 
		print '<table class="table_cadre">'."\n";
60 
		print '<tr><th>Num</th><th>De</th><th>Sujet</th><th>Date</th></tr>'."\n";
61 
		print '<tr><td colspan="3"><hr /></td></tr>'."\n";
62 
		$ctc = 0;
63 
 
64 
		if (is_file($cache)) {
65 
			include($cache);
66 
		}
67 
		print '<tr><td colspan="3"></td></tr>'."\n";
68 
        print '</table>'."\n";
69 
        }
70 
 
71 
 
72 
	function thread_to_html($thread) {
73 
		$html = '';
74 
		$lastdepth = -1;
75 
        $ctc = 0 ;
76 
		$thread_curr = $thread;
77 
        $class = array ('ligne_paire', 'ligne_impaire') ;
78 
		while ($thread_curr != NULL) {
79 
            preg_match ('!/archive/([0-9]*)/([0-9]*)!', $thread_curr->file, $match) ;
80 
            if (!isset($GLOBALS['fichiers_analyses'][$match[1]][$match[2]])) {
81 
                $message = file_get_contents($this->listdir . "/archive/" . $msgdir . "/" . $msgfile) ;
82 
                $mimeDecode = new Mail_mimeDecode($message) ;
83 
                $mailDecode = $mimeDecode->decode() ;
84 
                //$msg = new ezmlm_parser();
85 
                //$msg->parse_file($this->listdir . $thread_curr->file, TRUE);
86 
 
87 
            } else {
88 
                $mailDecode = $GLOBALS['fichiers_analyses'][$match[1]][$match[2]] ;
89 
            }
90 
            $actionargs = preg_split("/\//", $thread_curr->file);
91 
			$html .= '<tr class="'.$class[$ctc].'">'."\n";
92 
			$html .= '<td>'.$actionargs[2].$actionargs[3].'</td><td>';
93 
			$html .= $this->makelink('action=show_author_msgs&amp;actionargs[]='.
94 
                    $this->makehash($this->decode_iso($mailDecode->headers['from'])),$this->decode_iso($this->protect_email($mailDecode->headers['from'],TRUE)));
95 
			$html .= '</td>'."\n";
96 
			$html .= '<td><b>';
97 
			//$html .= " <a name=\"" . urlencode($thread_curr->file) . "\">";    A quoi ça sert ?
98 
			for ($i = 0; $i < $thread_curr->depth; $i++) {
99 
				$html .= "&nbsp;&nbsp;";
100 
			}
101 
			if (($this->thread_subjlen > 0) and (strlen($this->decode_iso($mailDecode->headers['subject'])) > $this->thread_subjlen)) {
102 
				$subject = substr($this->decode_iso($mailDecode->headers['subject']), 0, ($this->thread_subjlen - 3 - ($thread_curr->depth * 2)));
103 
				$subject = $subject . "...";
104 
			} else {
105 
				$subject = $this->decode_iso($mailDecode->headers['subject']);
106 
			}
107 
 
108 
 
109 
			$subject = preg_replace("/\[" . $this->listname . "\]/", "", $subject);
110 
			$html .= $this->makelink("action=show_msg&amp;actionargs[]=" . $actionargs[2] . "&amp;actionargs[]=" . $actionargs[3], $subject);
111 
			$html .= "</b></td>\n";
112 
			$html .= '<td>' .$this->date_francaise($mailDecode->headers['date']).'</td>'."\n";
113 
			$html .= "</tr>\n";
114 
 
115 
			$ctc++;
116 
			if ($ctc == count($this->tablecolours)) { $ctc = 0; }
117 
 
118 
			$lastdepth = $thread_curr->depth;
119 
			$thread_curr = $thread_curr->next;
120 
		}
121 
 
122 
		$html .= '<tr><td colspan="3"><hr noshade size="1" /></td></tr>'."\n";
123 
		return $html;
124 
	}
125 
 
126 
	// build: takes one argument in the format YYYYMM and builds the thread cache file
127 
	// for that month if the ezmlm thread file exists. The resulting cache file is then
128 
	// stored in $this->tmpdir;
129 
	function build($month) {
130 
		if (!is_file($this->listdir . "/archive/threads/" . $month)) { return FALSE; }
131 
 
132 
		if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
133 
                        $fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month,"w+");
134 
                } else {
135 
                        $fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month,"w+");
136 
                }
137 
		fclose($fd2);
138 
        $i=0;
139 
        // ouverture du fichier thread de ezmlm
140 
        // Ils sont classés mois par mois
141 
		$fd1 = fopen($this->listdir . "/archive/threads/" . $month, "r");
142 
		while (!feof($fd1)) {
143 
			$line = fgets($fd1,4096);
144 
			if (preg_match('/^[0-9]*\:[a-z]* \[.*/', $line)) {
145 
				// valid ezmlm thread file entry
146 
 
147 
                // On place dans $subjectfile le chemin vers le fichier sujet
148 
				$subjectfile = preg_replace("/^[0-9]*\:([a-z]*) \[.*/", "\\1", $line);
149 
                $subjectfile = substr($subjectfile,0,2) . '/' . substr($subjectfile,2,18);
150 
 
151 
				$thread_head = NULL;
152 
				$thread_curr = NULL;
153 
				$thread_temp = NULL;
154 
				$thread_depth = 1;
155 
 
156 
				if (!is_file($this->listdir . "/archive/subjects/" . $subjectfile)) { continue; }
157 
                // on ouvre le fichier sujet
158 
                // Celui-ci contient sur la première ligne le hash du sujet puis le sujet
159 
                // sur les autres lignes :
160 
                // num_message:annéemois:hash_auteur nom_auteur
161 
				$fd2 = fopen($this->listdir . "/archive/subjects/" . $subjectfile, "r");
162 
				while (!feof($fd2)) {
163 
					$line2 = fgets($fd2,4096);
164 
					if (preg_match('/^[0-9]/',$line2)) {
165 
						$msgnum = preg_replace('/^([0-9]*):.*/', '\\1', $line2);
166 
						$msgfile = $msgnum % 100;
167 
                        $msgdir  = (int)($msgnum / 100);
168 
						if ($msgfile < 10) { $msgfile = "0" . $msgfile; }
169 
						//$msg = new ezmlm_parser();
170 
						//$msg->parse_file_headers($this->listdir . "/archive/" . $msgdir . "/" . $msgfile, TRUE);
171 
 
172 
                        $message = file_get_contents($this->listdir . "/archive/" . $msgdir . "/" . $msgfile) ;
173 
                        $mimeDecode = new Mail_mimeDecode($message) ;
174 
                        $mailDecode = $mimeDecode->decode() ;
175 
 
176 
 
177 
 
208 neiluj 178 
                        // On stocke le fichier analysée pour réutilisation ultàrieure
2 ddelon 179 
                        $GLOBALS['fichiers_analyses'][$msgdir][$msgfile] =  $mailDecode ;
180 
						$msgid = (isset ($mailDecode->headers['message-id']) ? $mailDecode->headers['message-id'] : '');
181 
						$inreply = (isset($mailDecode->headers['in-reply-to']) ? $mailDecode->headers['in-reply-to'] : '');
182 
						$references = (isset ($mailDecode->headers['references']) ? $mailDecode->headers['references'] : '') ;
183 
						$thread_depth = 1;
184 
 
185 
						if ($thread_head == NULL) {
186 
							$thread_head = new ezmlm_thread(0,'/archive/' . $msgdir . '/' . $msgfile,$msgid);
187 
						} else {
188 
							$thread_curr = new ezmlm_thread($depth,'/archive/' . $msgdir . '/' . $msgfile,$msgid);
189 
							if ($inreply != '') { $thread_curr->inreply = $inreply; }
190 
							if ($references != '') { $thread_curr->references = $references; }
191 
							$thread_head->append($thread_curr);
192 
						}
193 
					}
194 
				}
195 
				fclose($fd2);
196 
 
197 
				// so now after all that mess $thread_head contains a full thread tree
198 
				// first build the depth of each message based on 'in-reply-to' and 'references'
199 
				unset($thread_temp);
200 
				$thread_temp = NULL;
201 
				$thread_curr =& $thread_head->next;
202 
				while (get_class($thread_curr) == 'ezmlm_thread') {
203 
					unset($thread_temp);
204 
					$thread_temp = NULL;
205 
 
206 
					if ($thread_curr->inreply != '') { $thread_temp =& $thread_head->find_msgid($thread_curr->inreply); }
207 
					if ($thread_temp == NULL) {
208 
						if ($thread_curr->references != '') {
209 
							$refs = preg_split('/ /', $thread_curr->references);
210 
							$refs = array_pop($refs);
211 
							$thread_temp =& $thread_head->find_msgid($refs);
212 
						}
213 
					}
214 
					if ($thread_temp == NULL) {
215 
						// we couldn't find anything... set depth to 1, the default
216 
						$thread_curr->depth = 1;
217 
					} else {
218 
						// we found a reference, set it to it's depth + 1
219 
						$thread_curr->depth = $thread_temp->depth + 1;
220 
					}
221 
					$thread_curr =& $thread_curr->next;
222 
				}
223 
 
224 
				// now write it to a temp file named MONTH-SEQ where seq is cronologic sequence order of the thread.
225 
				if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
226 
					@mkdir($this->tempdir . "/ezmlm-php-" . $this->listname, 0755);
227 
					if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
228 
						$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month, "a");
229 
					} else {
230 
						$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month, "a");
231 
					}
232 
				} else {
233 
					$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month, "a");
234 
				}
235 
				fputs($fd2,$this->thread_to_html($thread_head));
236 
				fclose($fd2);
237 
			}
238 
		}
239 
 
240 
		// finally store our checksum
241 
		if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
242 
			$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month . "-" . "checksum","w+");
243 
		} else {
244 
			$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month . "-" . "checksum","w+");
245 
		}
246 
		fputs($fd2,"md5:" . $this->md5_of_file($this->listdir . "/archive/threads/" . $month) . "\n");
247 
		fclose($fd2);
248 
		fclose($fd1);
249 
 
250 
		return TRUE;
251 
	}
252 
 
253 
	// listmessages: prints out a nice little calendar and displays the message
254 
	// totals for each month. The link jumps to the thread listing.
308 alexandre_ 255 
    // On lit le repetoire archive/threads/ qui contient un fichier par moi avec tous les thread, par sujet
256 
    // Presentes comme suit
2 ddelon 257 
    // num_thread:hash [taille_du_thread] Sujet du thread (le dernier)
308 alexandre_ 258 
    // les messages sont ranges par leur numero
2 ddelon 259 
	function listmessages() {
260 
        if (!is_dir($this->listdir . "/archive/threads/")) {
261 
            return false ;
262 
        }
308 alexandre_ 263 
 
264 
        $res = '<table id="petit_calendrier">'."\n";
265 
        $res .= " <tr>\n";
266 
		$res .= "  <td></td>" ;
267 
        foreach ($GLOBALS['mois'] as $valeur) $res .= '<th>'.$valeur.'</th>' ;
268 
		$res .=" </tr>\n";
269 
        $res .= $this->calendrierMessage();
270 
        $res .= "</table>\n";
271 
        return $res;
272 
        /*
208 neiluj 273 
        $threadcount = array();
274 
 
275 
		$repertoire_archive = opendir($this->listdir . "/archive/");
308 alexandre_ 276 
		$tableau_annee = array();
208 neiluj 277 
		while (false !== ($item = readdir($repertoire_archive))) {
278 
			// $item contient les noms des repertoires
279 
			// on ne garde que ceux qui sont des chiffres
280 
 
281 
			if (preg_match('/[0-9]+/', $item)) {
282 
				// on ouvre le fichier d index de chaque repertoire
283 
				$fichier_index = fopen($this->listdir.'/archive/'.$item.'/index', 'r');
284 
				$compteur = 0 ;
285 
 
286 
				while (!feof($fichier_index)) {
287 
					// On ignore la premiere ligne
288 
					$temp = fgets($fichier_index, 4096);
289 
					// dans la seconde on recupere la date
290 
					$temp = fgets($fichier_index, 4096);
291 
					preg_match('/\t([0-9]+) ([a-zA-Z][a-zA-Z][a-zA-Z]) ([0-9][0-9][0-9][0-9])/', $temp, $match) ;
292 
					if ($match[0] != '') {
308 alexandre_ 293 
 
208 neiluj 294 
						$threadmonth = date('n', strtotime($match[0]))  ;
295 
						$threadyear = date('Y', strtotime($match[0])) ;
296 
						$threadcount[$threadyear][$threadmonth]++;
308 alexandre_ 297 
						if (!in_array($threadyear, $tableau_annee)) array_push ($tableau_annee, $threadyear);
208 neiluj 298 
					}
2 ddelon 299 
				}
208 neiluj 300 
				fclose ($fichier_index);
2 ddelon 301 
			}
302 
		}
308 alexandre_ 303 
		if (count($threadcount) == 0) return 'Il n\y a pas de messages dans les archives';
304 
        // La partie qui suit, simple, cree la table avec le nombre de message echange chaque mois
44 alexandre_ 305 
		$res = '<table id="petit_calendrier">'."\n";
2 ddelon 306 
		$res .= " <tr>\n";
307 
		$res .= "  <td></td>" ;
308 alexandre_ 308 
        foreach ($GLOBALS['mois'] as $valeur) $res .= '<th>'.$valeur.'</th>' ;
2 ddelon 309 
		$res .=" </tr>\n";
308 alexandre_ 310 
		arsort($tableau_annee);
311 
		foreach ($tableau_annee as $annee) {
2 ddelon 312 
			$res .= " <tr>\n";
308 alexandre_ 313 
			$res .= '  <td class="col_annee">'.$annee.'</td>';
2 ddelon 314 
			for ($i = 1; $i <= 12; $i++) {
308 alexandre_ 315 
				$res .= '<td class="mois">';
316 
				if (isset($threadcount[$annee][$i]) && $threadcount[$annee][$i] > 0) {
317 
                    $res .= $this->makelink('action=show_month&amp;actionargs[]='.$annee.($i < 10 ? '0'.$i:$i),$threadcount[$annee][$i]);
318 
				}
319 
				$res .= '</td>';
2 ddelon 320 
			}
308 alexandre_ 321 
			$res .= '</tr>'."\n";
2 ddelon 322 
		}
323 
		$res .= "</table>\n";
308 alexandre_ 324 
        return $res ;
325 
        */
2 ddelon 326 
	}
308 alexandre_ 327 
	/*
328 
	 *  Cree un fichier liste.calendrierPermanent qui contient
329 
	 *  le nombre de message par mois pour toutes les annees
330 
	 *  depuis le debut de la liste sauf la derniere
331 
	 *
332 
	 */
333 
	function calculeCalendrierPermanent($Annnee = '') {
334 
		$numArchive = $this->getNumArchive();
335 
		$dernierRepertoire = floor($numArchive / 100);
336 
 
337 
		$threadcount = array();
338 
		$tableau_annee = array();
339 
 
340 
 
341 
		for ($rep_courant = $dernierRepertoire; $rep_courant >= 0; $rep_courant--) {
342 
			$fichier_index = file ($this->listdir.'/archive/'.$rep_courant.'/index', FILE_IGNORE_NEW_LINES);
343 
 
344 
			// On parcours le fichier a l envers
345 
			for ($j = count($fichier_index)-1; $j >= 0; $j-=2) {
346 
				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], $match) ;
347 
				if ($match[0] != '') {
348 
					$threadmonth = date('n', strtotime($match[0]))  ;
349 
					$threadyear = date('Y', strtotime($match[0])) ;
350 
					if ($Annnee != '') {
351 
						if ($threadyear < date('Y')) {
352 
							$sortir = true;
353 
							break;
354 
						}
355 
					}  else {
356 
						if ($threadyear == date('Y')) continue;
357 
					}
358 
					$threadcount[$threadyear][$threadmonth]++;
359 
					if (!in_array($threadyear, $tableau_annee)) array_push ($tableau_annee, $threadyear);
360 
				}
361 
			}
362 
			if ($sortir) break;
363 
		}
364 
		$res = '';
365 
		arsort($tableau_annee);
366 
		foreach ($tableau_annee as $annee) {
367 
			$res .= " <tr>\n";
368 
			$res .= '  <td class="col_annee">'.$annee.'</td>';
369 
			for ($i = 1; $i <= 12; $i++) {
370 
				$res .= '<td class="mois">';
371 
				if (isset($threadcount[$annee][$i]) && $threadcount[$annee][$i] > 0) {
372 
                    $res .= $this->makelink('action=show_month&amp;actionargs[]='.$annee.($i < 10 ? '0'.$i:$i),$threadcount[$annee][$i]);
373 
				}
374 
				$res .= '</td>';
375 
			}
376 
			$res .= '</tr>'."\n";
377 
		}
378 
		return $res;
379 
	}
380 
	function ecrireFichierCalendrier() {
381 
		$html = $this->calculeCalendrierPermanent();
382 
		$f = fopen ('tmp/'.$this->listname.'.calendrier', 'w') ;
383 
		fwrite ($f, $html);
384 
		fclose($f);
385 
		return $html;
386 
	}
387 
 
388 
	function calendrierMessage() {
389 
		$html = '';
390 
		// On ajoute la derniere annee
391 
		$html .= $this->calculeCalendrierPermanent(date ('Y'));
392 
 
393 
		if ($this->isFichierCalendrierExiste()) {
394 
			// S il existe mais qu il est trop vieux, il faut le recalculer
395 
			if ($this->isDoitRecalculerCalendrier()) {
396 
				$annees = $this->getAnneesARecalculer();
397 
				$html .= $this->calculeCalendrierPermanent($annees);
398 
		    }
399 
			$html .= file_get_contents('tmp/'.$this->listname.'.calendrier');
400 
		} else {
401 
			$html .= $this->ecrireFichierCalendrier();
402 
		}
403 
		return $html;
404 
	}
405 
 
406 
	function isFichierCalendrierExiste() {
407 
		if (file_exists('tmp/'.$this->listname.'.calendrier')) {
408 
			return true;
409 
		}
410 
		return false;
411 
	}
412 
	function isDoitRecalculerCalendrier() {
413 
 
414 
		if (date ('Y', fileatime('tmp/'.$this->listname.'.calendrier')) != date('Y')) return true;
415 
		return false;
416 
	}
417 
 
418 
	function getAnneesARecalculer() {
419 
		// On suppose que l index de ezmlm est correct
420 
		$anneeFichierCalendrier = date ('Y', fileatime('tmp/'.$this->listname.'.calendrier'));
421 
		return $anneeFichierCalendrier + 1;
422 
	}
423 
 
2 ddelon 424 
}
425 
 
426 
// CLASS: ezmlm-thread is a quick little class to allow us to define
427 
// a structure of the current thread in a single-linked list.
428 
// it's a little messy since php doesn't support pointers like C does
429 
// so we have to use references and a head object to append to the list.
430 
class ezmlm_thread {
431 
	var $next;
432 
	var $depth;
433 
	var $file;
434 
	var $msgid;
435 
	var $inreply;
436 
	var $references;
437 
	function append($thread) {
438 
		$thread_curr =& $this;
439 
		while ($thread_curr->next != NULL) {
440 
			$thread_curr =& $thread_curr->next;
441 
		}
442 
		$thread_curr->next = $thread;
443 
	}
444 
	function &find_msgid($msgid) {
445 
		$thread_curr =& $this;
446 
		while ($thread_curr->next != NULL) {
447 
			if (trim($thread_curr->msgid) == trim($msgid)) { return $thread_curr; }
448 
			$thread_curr =& $thread_curr->next;
449 
		}
450 
		return NULL;
451 
	}
452 
	function ezmlm_thread($depth,$file,$msgid) {
453 
		$this->depth = $depth;
454 
		$this->file  = $file;
455 
		$this->msgid = $msgid;
456 
		$this->next = NULL;
457 
	}
458 
}
459 
?>