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<?php// $Id: ezmlm-threads.php,v 1.7 2008-11-19 09:28:46 aperonnet Exp $//// ezmlm-threads.php - ezmlm-php v2.0// --------------------------------------------------------------// Builds, maintains & displays thread caches// These cache files live in $ezmlm->tmpdir and are serialized// php objects that can be unserialized and displayed easily// --------------------------------------------------------------require_once("ezmlm.php");require_once("ezmlm-parser.php");require_once ('ezmlm-langue-fr.php');// CLASS: ezmlm_threads will build, maintain & display thread files (even if a thread is only 1 msg)class ezmlm_threads extends ezmlm_php {// load: this is the main function that should be called.// it first checks to see if the cache files are stale, if they are it calls build// other wise it loads them and calls displayfunction load($month) {if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {$checksum = $this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month . "-" . "checksum";} else {$checksum = $this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month . "-" . "checksum";}$md5 = '' ;if (!is_file($checksum)) {$this->build($month);} else {$fd = fopen($checksum,"r");while (!preg_match('/^md5:/', $md5)) { $md5 = fgets($fd,4096); }fclose($fd);$md5 = rtrim(preg_replace('/^md5:/', '', $md5), "\n");if ($md5 != $this->md5_of_file($this->listdir . "/archive/threads/" . $month)) {print "<!-- $md5 ne " . $this->md5_of_file($this->listdir . "/archive/threads/" . $month) . " -->\n";$this->build($month);}}$html = $this->display($month);return $html ;}// display: this loads each cache file sequentially and displays the messages in them// there is no checking of checksum's done here so load() is the preferred method to// view the threadsfunction display($month) {$html = '' ;$seq = 0;if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {$cache = $this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month;} else {$cache = $this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month;}// Le lien par date et par thread$html .= '[ '.$this->makelink('action=show_month&actionargs[]='.$month, 'par date').' ]' ;$months = array(1 => 'January', 2 => 'February', 3 => 'March', 4 => 'April', 5 => 'May', 6 => 'June', 7 => 'July', 8 => 'August',9 => 'September', 10 => 'October', 11 => 'November', 12 => 'December');// remplacé par le tableau globals $mois dans ezmlm.php$html .= '<h2>'.FIL_DE_DISCUSSION.' pour '.$GLOBALS['mois'][((int)substr($month,4,2) / 1) -1] .', ' . substr($month,0,4) . '</h2>'."\n";$html .= '<table class="table_cadre">'."\n";$html .= '<tr><th>Num</th><th>De</th><th>Sujet</th><th>Date</th></tr>'."\n";$html .= '<tr><td colspan="3"><hr /></td></tr>'."\n";$ctc .= 0;if (is_file($cache)) {include($cache);}$html .= '<tr><td colspan="3"></td></tr>'."\n";$html .= '</table>'."\n";return $html ;}function thread_to_html($thread) {$html = '';$lastdepth = -1;$ctc = 0 ;$thread_curr = $thread;$class = array ('ligne_paire', 'ligne_impaire') ;while ($thread_curr != NULL) {preg_match ('!/archive/([0-9]*)/([0-9]*)!', $thread_curr->file, $match) ;if (!isset($GLOBALS['fichiers_analyses'][$match[1]][$match[2]])) {$message = file_get_contents($this->listdir . "/archive/" . $msgdir . "/" . $msgfile) ;$mimeDecode = new Mail_mimeDecode($message) ;$mailDecode = $mimeDecode->decode() ;//$msg = new ezmlm_parser();//$msg->parse_file($this->listdir . $thread_curr->file, TRUE);} else {$mailDecode = $GLOBALS['fichiers_analyses'][$match[1]][$match[2]] ;}$actionargs = preg_split("/\//", $thread_curr->file);$html .= '<tr class="'.$class[$ctc].'">'."\n";$html .= '<td>'.$actionargs[2].$actionargs[3].'</td><td>';$html .= $this->makelink('action=show_author_msgs&actionargs[]='.$this->makehash($this->decode_iso($mailDecode->headers['from'])),$this->decode_iso($this->protect_email($mailDecode->headers['from'],TRUE)));$html .= '</td>'."\n";$html .= '<td><b>';//$html .= " <a name=\"" . urlencode($thread_curr->file) . "\">"; A quoi ça sert ?for ($i = 0; $i < $thread_curr->depth; $i++) {$html .= " ";}if (($this->thread_subjlen > 0) and (strlen($this->decode_iso($mailDecode->headers['subject'])) > $this->thread_subjlen)) {$subject = substr($this->decode_iso($mailDecode->headers['subject']), 0, ($this->thread_subjlen - 3 - ($thread_curr->depth * 2)));$subject = $subject . "...";} else {$subject = $this->decode_iso($mailDecode->headers['subject']);}$subject = preg_replace("/\[" . $this->listname . "\]/", "", $subject);$html .= $this->makelink("action=show_msg&actionargs[]=" . $actionargs[2] . "&actionargs[]=" . $actionargs[3], $subject);$html .= "</b></td>\n";$html .= '<td>' .$this->date_francaise($mailDecode->headers['date']).'</td>'."\n";$html .= "</tr>\n";$ctc++;if ($ctc == count($this->tablecolours)) { $ctc = 0; }$lastdepth = $thread_curr->depth;$thread_curr = $thread_curr->next;}$html .= '<tr><td colspan="3"><hr noshade size="1" /></td></tr>'."\n";return $html;}// TODO: Fonction à tester et compléter// Construit un index de tous les messages envoyés dans une liste donnée pour un mois// au format YYYYMMfunction build_month_list($date){$months = array(1 => 'Jan', 2 => 'Feb', 3 => 'Mar', 4 => 'Apr', 5 => 'May', 6 => 'Jun', 7 => 'Jul', 8 => 'Aug',9 => 'Sep', 10 => 'Oct', 11 => 'Nov', 12 => 'Dec');$month = $months[((int)substr($month,4,2) / 1) -1] ;$year = substr($month,0,4) ;$numArchive = $this->getNumArchive();$dernierRepertoire = floor($numArchive / 100);$threads = array();for ($rep_courant = $dernierRepertoire; $rep_courant >= 0; $rep_courant--) {$fichier_index = file ($this->listdir.'/archive/'.$rep_courant.'/index', FILE_IGNORE_NEW_LINES);// On parcourt le fichier a l enversfor ($j = count($fichier_index)-1; $j >= 0; $j-=2) {$match = strpos($fichier_index[$j],$month.' '.$year) ;if ($match) {$threads[] = $fichier_index[$j-1] ;}}}}// build: takes one argument in the format YYYYMM and builds the thread cache file// for that month if the ezmlm thread file exists. The resulting cache file is then// stored in $this->tmpdir;function build($month) {if (!is_file($this->listdir . "/archive/threads/" . $month)) { return FALSE; }if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month,"w+");} else {$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month,"w+");}fclose($fd2);$i=0;// ouverture du fichier thread de ezmlm// Ils sont classés mois par mois$fd1 = fopen($this->listdir . "/archive/threads/" . $month, "r");while (!feof($fd1)) {$line = fgets($fd1,4096);if (preg_match('/^[0-9]*\:[a-z]* \[.*/', $line)) {// valid ezmlm thread file entry// On place dans $subjectfile le chemin vers le fichier sujet$subjectfile = preg_replace("/^[0-9]*\:([a-z]*) \[.*/", "\\1", $line);$subjectfile = substr($subjectfile,0,2) . '/' . substr($subjectfile,2,18);$thread_head = NULL;$thread_curr = NULL;$thread_temp = NULL;$thread_depth = 1;if (!is_file($this->listdir . "/archive/subjects/" . $subjectfile)) { continue; }// on ouvre le fichier sujet// Celui-ci contient sur la première ligne le hash du sujet puis le sujet// sur les autres lignes :// num_message:annéemois:hash_auteur nom_auteur$fd2 = fopen($this->listdir . "/archive/subjects/" . $subjectfile, "r");while (!feof($fd2)) {$line2 = fgets($fd2,4096);if (preg_match('/^[0-9]/',$line2)) {$msgnum = preg_replace('/^([0-9]*):.*/', '\\1', $line2);$msgfile = $msgnum % 100;$msgdir = (int)($msgnum / 100);if ($msgfile < 10) { $msgfile = "0" . $msgfile; }//$msg = new ezmlm_parser();//$msg->parse_file_headers($this->listdir . "/archive/" . $msgdir . "/" . $msgfile, TRUE);$message = file_get_contents($this->listdir . "/archive/" . $msgdir . "/" . $msgfile) ;$mimeDecode = new Mail_mimeDecode($message) ;$mailDecode = $mimeDecode->decode() ;// On stocke le fichier analysée pour réutilisation ultàrieure$GLOBALS['fichiers_analyses'][$msgdir][$msgfile] = $mailDecode ;$msgid = (isset ($mailDecode->headers['message-id']) ? $mailDecode->headers['message-id'] : '');$inreply = (isset($mailDecode->headers['in-reply-to']) ? $mailDecode->headers['in-reply-to'] : '');$references = (isset ($mailDecode->headers['references']) ? $mailDecode->headers['references'] : '') ;$thread_depth = 1;if ($thread_head == NULL) {$thread_head = new ezmlm_thread(0,'/archive/' . $msgdir . '/' . $msgfile,$msgid);} else {$thread_curr = new ezmlm_thread($depth,'/archive/' . $msgdir . '/' . $msgfile,$msgid);if ($inreply != '') { $thread_curr->inreply = $inreply; }if ($references != '') { $thread_curr->references = $references; }$thread_head->append($thread_curr);}}}fclose($fd2);// so now after all that mess $thread_head contains a full thread tree// first build the depth of each message based on 'in-reply-to' and 'references'unset($thread_temp);$thread_temp = NULL;$thread_curr =& $thread_head->next;while (get_class($thread_curr) == 'ezmlm_thread') {unset($thread_temp);$thread_temp = NULL;if ($thread_curr->inreply != '') { $thread_temp =& $thread_head->find_msgid($thread_curr->inreply); }if ($thread_temp == NULL) {if ($thread_curr->references != '') {$refs = preg_split('/ /', $thread_curr->references);$refs = array_pop($refs);$thread_temp =& $thread_head->find_msgid($refs);}}if ($thread_temp == NULL) {// we couldn't find anything... set depth to 1, the default$thread_curr->depth = 1;} else {// we found a reference, set it to it's depth + 1$thread_curr->depth = $thread_temp->depth + 1;}$thread_curr =& $thread_curr->next;}// now write it to a temp file named MONTH-SEQ where seq is cronologic sequence order of the thread.if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {@mkdir($this->tempdir . "/ezmlm-php-" . $this->listname, 0755);if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month, "a");} else {$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month, "a");}} else {$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month, "a");}fputs($fd2,$this->thread_to_html($thread_head));fclose($fd2);}}// finally store our checksumif (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month . "-" . "checksum","w+");} else {$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month . "-" . "checksum","w+");}fputs($fd2,"md5:" . $this->md5_of_file($this->listdir . "/archive/threads/" . $month) . "\n");fclose($fd2);fclose($fd1);return TRUE;}// listmessages: prints out a nice little calendar and displays the message// totals for each month. The link jumps to the thread listing.// On lit le repertoire archive/threads/ qui contient un fichier par mois avec tous les thread, par sujet// Presentes comme suit// num_thread:hash [taille_du_thread] Sujet du thread (le dernier)// les messages sont ranges par leur numerofunction listmessages() {if (!is_dir($this->listdir . "/archive/threads/")) {return false ;}$res = '<table id="petit_calendrier">'."\n";$res .= " <tr>\n";$res .= " <td></td>" ;foreach ($GLOBALS['mois'] as $valeur) $res .= '<th>'.$valeur.'</th>' ;$res .=" </tr>\n";$res .= $this->calendrierMessage();$res .= "</table>\n";return $res;/*$threadcount = array();$repertoire_archive = opendir($this->listdir . "/archive/");$tableau_annee = array();while (false !== ($item = readdir($repertoire_archive))) {// $item contient les noms des repertoires// on ne garde que ceux qui sont des chiffresif (preg_match('/[0-9]+/', $item)) {// on ouvre le fichier d index de chaque repertoire$fichier_index = fopen($this->listdir.'/archive/'.$item.'/index', 'r');$compteur = 0 ;while (!feof($fichier_index)) {// On ignore la premiere ligne$temp = fgets($fichier_index, 4096);// dans la seconde on recupere la date$temp = fgets($fichier_index, 4096);preg_match('/\t([0-9]+) ([a-zA-Z][a-zA-Z][a-zA-Z]) ([0-9][0-9][0-9][0-9])/', $temp, $match) ;if ($match[0] != '') {$threadmonth = date('n', strtotime($match[0])) ;$threadyear = date('Y', strtotime($match[0])) ;$threadcount[$threadyear][$threadmonth]++;if (!in_array($threadyear, $tableau_annee)) array_push ($tableau_annee, $threadyear);}}fclose ($fichier_index);}}if (count($threadcount) == 0) return 'Il n\y a pas de messages dans les archives';// La partie qui suit, simple, cree la table avec le nombre de message echange chaque mois$res = '<table id="petit_calendrier">'."\n";$res .= " <tr>\n";$res .= " <td></td>" ;foreach ($GLOBALS['mois'] as $valeur) $res .= '<th>'.$valeur.'</th>' ;$res .=" </tr>\n";arsort($tableau_annee);foreach ($tableau_annee as $annee) {$res .= " <tr>\n";$res .= ' <td class="col_annee">'.$annee.'</td>';for ($i = 1; $i <= 12; $i++) {$res .= '<td class="mois">';if (isset($threadcount[$annee][$i]) && $threadcount[$annee][$i] > 0) {$res .= $this->makelink('action=show_month&actionargs[]='.$annee.($i < 10 ? '0'.$i:$i),$threadcount[$annee][$i]);}$res .= '</td>';}$res .= '</tr>'."\n";}$res .= "</table>\n";return $res ;*/}/** Cree un fichier liste.calendrierPermanent qui contient* le nombre de message par mois pour toutes les annees* depuis le debut de la liste sauf la derniere**/function calculeCalendrierPermanent($Annnee = '') {$numArchive = $this->getNumArchive();$dernierRepertoire = floor($numArchive / 100);$threadcount = array();$tableau_annee = array();for ($rep_courant = $dernierRepertoire; $rep_courant >= 0; $rep_courant--) {$fichier_index = file ($this->listdir.'/archive/'.$rep_courant.'/index', FILE_IGNORE_NEW_LINES);// On parcours le fichier a l enversfor ($j = count($fichier_index)-1; $j >= 0; $j-=2) {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], $match) ;if ($match[0] != '') {$threadmonth = date('n', strtotime($match[0])) ;$threadyear = date('Y', strtotime($match[0])) ;if ($Annnee != '') {if ($threadyear < date('Y')) {$sortir = true;break;}} else {if ($threadyear == date('Y')) continue;}$threadcount[$threadyear][$threadmonth]++;if (!in_array($threadyear, $tableau_annee)) array_push ($tableau_annee, $threadyear);}}if ($sortir) break;}$res = '';arsort($tableau_annee);foreach ($tableau_annee as $annee) {$res .= " <tr>\n";$res .= ' <td class="col_annee">'.$annee.'</td>';for ($i = 1; $i <= 12; $i++) {$res .= '<td class="mois">';if (isset($threadcount[$annee][$i]) && $threadcount[$annee][$i] > 0) {$res .= $this->makelink('action=show_month&actionargs[]='.$annee.($i < 10 ? '0'.$i:$i),$threadcount[$annee][$i]);}$res .= '</td>';}$res .= '</tr>'."\n";}return $res;}function ecrireFichierCalendrier() {$html = $this->calculeCalendrierPermanent();$f = fopen ('tmp/'.$this->listname.'.calendrier', 'w') ;fwrite ($f, $html);fclose($f);return $html;}function calendrierMessage() {$html = '';// On ajoute la derniere annee$html .= $this->calculeCalendrierPermanent(date ('Y'));if ($this->isFichierCalendrierExiste()) {// S il existe mais qu il est trop vieux, il faut le recalculer// if ($this->isDoitRecalculerCalendrier()) {$annees = $this->getAnneesARecalculer();$html .= $this->calculeCalendrierPermanent($annees);// }$html .= file_get_contents('tmp/'.$this->listname.'.calendrier');} else {$html .= $this->ecrireFichierCalendrier();}return $html;}function isFichierCalendrierExiste() {if (file_exists('tmp/'.$this->listname.'.calendrier')) {return true;}return false;}function isDoitRecalculerCalendrier() {if (date ('Y', fileatime('tmp/'.$this->listname.'.calendrier')) != date('Y')) return true;return false;}function getAnneesARecalculer() {// On suppose que l index de ezmlm est correct$anneeFichierCalendrier = date ('Y', fileatime('tmp/'.$this->listname.'.calendrier'));return $anneeFichierCalendrier + 1;}}// CLASS: ezmlm-thread is a quick little class to allow us to define// a structure of the current thread in a single-linked list.// it's a little messy since php doesn't support pointers like C does// so we have to use references and a head object to append to the list.class ezmlm_thread {var $next;var $depth;var $file;var $msgid;var $inreply;var $references;function append($thread) {$thread_curr =& $this;while ($thread_curr->next != NULL) {$thread_curr =& $thread_curr->next;}$thread_curr->next = $thread;}function &find_msgid($msgid) {$thread_curr =& $this;while ($thread_curr->next != NULL) {if (trim($thread_curr->msgid) == trim($msgid)) { return $thread_curr; }$thread_curr =& $thread_curr->next;}return NULL;}function ezmlm_thread($depth,$file,$msgid) {$this->depth = $depth;$this->file = $file;$this->msgid = $msgid;$this->next = NULL;}}?>