X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fimap_messages.php;h=d99bcebd7aa22e34f8e8331181b7713d30142fb2;hb=9a09a81dc665789aa03072d834f4febbff10cd46;hp=b4c62084f841376c4528462398419c5cd9f601f5;hpb=628dba17ca643fd316ab6f1a1800ce8cc300f3fd;p=squirrelmail.git

diff --git a/functions/imap_messages.php b/functions/imap_messages.php
index b4c62084..d99bcebd 100755
--- a/functions/imap_messages.php
+++ b/functions/imap_messages.php
@@ -6,7 +6,7 @@
  * This implements functions that manipulate messages
  * NOTE: Quite a few functions in this file are obsolete
  *
- * @copyright © 1999-2005 The SquirrelMail Project Team
+ * @copyright © 1999-2006 The SquirrelMail Project Team
  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  * @version $Id$
  * @package squirrelmail
@@ -39,9 +39,14 @@ function sqimap_msgs_list_copy($imap_stream, $id, $mailbox, $handle_errors = tru
  * @param string $id The list of messages to move
  * @param string $mailbox The destination to move to
  * @param bool $handle_errors Show error messages in case of a NO, BAD or BYE response
+ * @param string $source_mailbox (since 1.5.1) name of source mailbox. It is used to
+ *  validate that target mailbox != source mailbox.
  * @return bool If the move completed without errors
  */
-function sqimap_msgs_list_move($imap_stream, $id, $mailbox, $handle_errors = true) {
+function sqimap_msgs_list_move($imap_stream, $id, $mailbox, $handle_errors = true, $source_mailbox = false) {
+    if ($source_mailbox!==false && $source_mailbox==$mailbox) {
+        return false;
+    }
     $msgs_id = sqimap_message_list_squisher($id);
     if (sqimap_msgs_list_copy ($imap_stream, $id, $mailbox, $handle_errors)) {
         return sqimap_toggle_flag($imap_stream, $id, '\\Deleted', true, true);
@@ -64,16 +69,15 @@ function sqimap_msgs_list_delete($imap_stream, $mailbox, $id, $bypass_trash=fals
     // FIX ME, remove globals by introducing an associative array with properties
     // as 4th argument as replacement for the bypass_trash var
     global $move_to_trash, $trash_folder;
-    $bRes = true;
     if (($move_to_trash == true) && ($bypass_trash != true) &&
         (sqimap_mailbox_exists($imap_stream, $trash_folder) &&  ($mailbox != $trash_folder)) ) {
-        $bRes = sqimap_msgs_list_copy ($imap_stream, $id, $trash_folder);
-    }
-    if ($bRes) {
-        return sqimap_toggle_flag($imap_stream, $id, '\\Deleted', true, true);
-    } else {
-        return false;
+        /**
+         * turn off internal error handling (fourth argument = false) and
+         * ignore copy to trash errors (allows to delete messages when overquota)
+         */
+        sqimap_msgs_list_copy ($imap_stream, $id, $trash_folder, false);
     }
+    return sqimap_toggle_flag($imap_stream, $id, '\\Deleted', true, true);
 }
 
 
@@ -114,29 +118,34 @@ function sqimap_toggle_flag($imap_stream, $id, $flag, $set, $handle_errors) {
 /**
  * Sort the message list and crunch to be as small as possible
  * (overflow could happen, so make it small if possible)
+ * @param array $aUid array with uid's
+ * @return string $s message set string
  */
-function sqimap_message_list_squisher($messages_array) {
-    if( !is_array( $messages_array ) ) {
-        return $messages_array;
-    }
-
-    sort($messages_array, SORT_NUMERIC);
-    $msgs_str = '';
-    while ($messages_array) {
-        $start = array_shift($messages_array);
-        $end = $start;
-        while (isset($messages_array[0]) && $messages_array[0] == $end + 1) {
-            $end = array_shift($messages_array);
-        }
-        if ($msgs_str != '') {
-            $msgs_str .= ',';
-        }
-        $msgs_str .= $start;
-        if ($start != $end) {
-            $msgs_str .= ':' . $end;
+function sqimap_message_list_squisher($aUid) {
+    if( !is_array( $aUid ) ) {
+        return $aUid;
+    }
+    sort($aUid, SORT_NUMERIC);
+
+    if (count($aUid)) {
+        $s = '';
+        for ($i=0,$iCnt=count($aUid);$i<$iCnt;++$i) {
+            $iStart = $aUid[$i];
+            $iEnd = $iStart;
+            while ($i<($iCnt-1) && $aUid[$i+1] == $iEnd +1) {
+                $iEnd = $aUid[$i+1];
+                ++$i;
+            }
+            if ($s) {
+                $s .= ',';
+            }
+            $s .= $iStart;
+            if ($iStart != $iEnd) {
+                $s .= ':' . $iEnd;
+            }
         }
     }
-    return $msgs_str;
+    return $s;
 }
 
 
@@ -157,11 +166,20 @@ function sqimap_get_sort_order($imap_stream, $sSortField, $reverse, $search='ALL
         }
         $query = "SORT ($sSortField) ".strtoupper($default_charset)." $search";
         // FIX ME sqimap_run_command should return the parsed data accessible by $aDATA['SORT']
-        $aData = sqimap_run_command ($imap_stream, $query, false, $response, $message, TRUE);
+        // use sqimap_run_command_list in case of unsollicited responses. If we don't we could loose the SORT response
+        $aData = sqimap_run_command_list ($imap_stream, $query, false, $response, $message, TRUE);
         /* fallback to default charset */
-        if ($response == 'NO' && strpos($message,'[BADCHARSET]') !== false) {
-            $query = "SORT ($sSortField) US-ASCII $search";
-            $aData = sqimap_run_command ($imap_stream, $query, true, $response, $message, TRUE);
+        if ($response == 'NO') {
+            if (strpos($message,'BADCHARSET') !== false ||
+                strpos($message,'character') !== false) {
+                sqm_trigger_imap_error('SQM_IMAP_BADCHARSET',$query, $response, $message);
+                $query = "SORT ($sSortField) US-ASCII $search";
+                $aData = sqimap_run_command_list ($imap_stream, $query, true, $response, $message, TRUE);
+            } else {
+                sqm_trigger_imap_error('SQM_IMAP_ERROR',$query, $response, $message);
+            }
+        } else if ($response == 'BAD') {
+            sqm_trigger_imap_error('SQM_IMAP_NO_SORT',$query, $response, $message);
         }
     }
 
@@ -175,7 +193,7 @@ function sqimap_get_sort_order($imap_stream, $sSortField, $reverse, $search='ALL
 
 /**
  * Parses a UID list returned on a SORT or SEARCH request
- * @param array $aData imap response
+ * @param array $aData imap response (retrieved from sqimap_run_command_list)
  * @param string $sCommand issued imap command (SEARCH or SORT)
  * @return array $aUid uid list
  */
@@ -183,8 +201,10 @@ function parseUidList($aData,$sCommand) {
     $aUid = array();
     if (isset($aData) && count($aData)) {
         for ($i=0,$iCnt=count($aData);$i<$iCnt;++$i) {
-            if (preg_match("/^\* $sCommand (.+)$/", $aData[$i], $aMatch)) {
-                $aUid += preg_split("/ /", trim($aMatch[1]));
+            for ($j=0,$jCnt=count($aData[$i]);$j<$jCnt;++$j) {
+                if (preg_match("/^\* $sCommand (.+)$/", $aData[$i][$j], $aMatch)) {
+                    $aUid += preg_split("/ /", trim($aMatch[1]));
+                }
             }
         }
     }
@@ -281,137 +301,17 @@ function get_squirrel_sort($imap_stream, $sSortField, $reverse = false, $aUid =
     return $aUid;
 }
 
-
-/**
- * Returns an indent array for printMessageinfo()
- * This represents the amount of indent needed (value),
- * for this message number (key)
- */
-
-/*
- * Notes for future work:
- * indent_array should contain: indent_level, parent and flags,
- * sibling notes ..
- * To achieve that we  need to define the following flags:
- * 0: hasnochildren
- * 1: haschildren
- * 2: is first
- * 4: is last
- * a node has sibling nodes if it's not the last node
- * a node has no sibling nodes if it's the last node
- * By using binary comparations we can store the flag in one var
- *
- * example:
- * -1      par = 0, level = 0, flag = 1 + 2 + 4 = 7 (haschildren,   isfirst, islast)
- *  \-2    par = 1, level = 1, flag = 0 + 2     = 2 (hasnochildren, isfirst)
- *  |-3    par = 1, level = 1, flag = 1 + 4     = 5 (haschildren,   islast)
- *   \-4   par = 3, level = 2, flag = 1 + 2 + 4 = 7 (haschildren,   isfirst, islast)
- *     \-5 par = 4, level = 3, flag = 0 + 2 + 4 = 6 (hasnochildren, isfirst, islast)
- */
-function get_parent_level($thread_new) {
-    $parent = '';
-    $child  = '';
-    $cutoff = 0;
-
-    /*
-     * loop through the threads and take unwanted characters out
-     * of the thread string then chop it up
-     */
-    for ($i=0;$i<count($thread_new);$i++) {
-        $thread_new[$i] = preg_replace("/\s\(/", "(", $thread_new[$i]);
-        $thread_new[$i] = preg_replace("/(\d+)/", "$1|", $thread_new[$i]);
-        $thread_new[$i] = preg_split("/\|/", $thread_new[$i], -1, PREG_SPLIT_NO_EMPTY);
-    }
-    $indent_array = array();
-    if (!$thread_new) {
-        $thread_new = array();
-    }
-    /* looping through the parts of one message thread */
-
-    for ($i=0;$i<count($thread_new);$i++) {
-        /* first grab the parent, it does not indent */
-
-        if (isset($thread_new[$i][0])) {
-            if (preg_match("/(\d+)/", $thread_new[$i][0], $regs)) {
-                $parent = $regs[1];
-            }
-        }
-        $indent_array[$parent] = 0;
-
-        /*
-         * now the children, checking each thread portion for
-         * ),(, and space, adjusting the level and space values
-         * to get the indent level
-         */
-        $level = 0;
-        $spaces = array();
-        $spaces_total = 0;
-        $indent = 0;
-        $fake = FALSE;
-        for ($k=1,$iCnt=count($thread_new[$i])-1;$k<$iCnt;++$k) {
-            $chars = count_chars($thread_new[$i][$k], 1);
-            if (isset($chars['40'])) {       /* testing for ( */
-                $level += $chars['40'];
-            }
-            if (isset($chars['41'])) {      /* testing for ) */
-                $level -= $chars['41'];
-                $spaces[$level] = 0;
-                /* if we were faking lets stop, this portion
-                 * of the thread is over
-                 */
-                if ($level == $cutoff) {
-                    $fake = FALSE;
-                }
-            }
-            if (isset($chars['32'])) {      /* testing for space */
-                if (!isset($spaces[$level])) {
-                    $spaces[$level] = 0;
-                }
-                $spaces[$level] += $chars['32'];
-            }
-            for ($x=0;$x<=$level;$x++) {
-                if (isset($spaces[$x])) {
-                    $spaces_total += $spaces[$x];
-                }
-            }
-            $indent = $level + $spaces_total;
-            /* must have run into a message that broke the thread
-             * so we are adjusting for that portion
-             */
-            if ($fake == TRUE) {
-                $indent = $indent +1;
-            }
-            if (preg_match("/(\d+)/", $thread_new[$i][$k], $regs)) {
-                $child = $regs[1];
-            }
-            /* the thread must be broken if $indent == 0
-             * so indent the message once and start faking it
-             */
-            if ($indent == 0) {
-                $indent = 1;
-                $fake = TRUE;
-                $cutoff = $level;
-            }
-            /* dont need abs but if indent was negative
-             * errors would occur
-             */
-            $indent_array[$child] = ($indent < 0) ? 0 : $indent;
-            $spaces_total = 0;
-        }
-    }
-    return $indent_array;
-}
-
-
 /**
  * Returns an array with each element as a string representing one
  * message-thread as returned by the IMAP server.
+ * @param resource $imap_stream IMAP socket connection
+ * @param string $search optional search string
+ * @return array
  * @link http://www.ietf.org/internet-drafts/draft-ietf-imapext-sort-13.txt
  */
 function get_thread_sort($imap_stream, $search='ALL') {
-    global $thread_new, $sort_by_ref, $default_charset, $server_sort_array, $indent_array;
+    global $sort_by_ref, $default_charset;
 
-    $thread_temp = array ();
     if ($sort_by_ref == 1) {
         $sort_type = 'REFERENCES';
     } else {
@@ -419,74 +319,133 @@ function get_thread_sort($imap_stream, $search='ALL') {
     }
     $query = "THREAD $sort_type ".strtoupper($default_charset)." $search";
 
-    $thread_test = sqimap_run_command ($imap_stream, $query, false, $response, $message, TRUE);
+    // TODO use sqimap_run_command_list as we do in get_server_sort()
+    $sRead = sqimap_run_command ($imap_stream, $query, false, $response, $message, TRUE);
+
     /* fallback to default charset */
-    if ($response == 'NO' && strpos($message,'[BADCHARSET]') !== false) {
-        $query = "THREAD $sort_type US-ASCII $search";
-        $thread_test = sqimap_run_command ($imap_stream, $query, true, $response, $message, TRUE);
-    }
-    if (isset($thread_test[0])) {
-        for ($i=0,$iCnt=count($thread_test);$i<$iCnt;++$i) {
-            if (preg_match("/^\* THREAD (.+)$/", $thread_test[$i], $regs)) {
-                $thread_list = trim($regs[1]);
+    if ($response == 'NO') {
+        if (strpos($message,'BADCHARSET') !== false ||
+            strpos($message,'character') !== false) {
+            sqm_trigger_imap_error('SQM_IMAP_BADCHARSET',$query, $response, $message);
+            $query = "THREAD $sort_type US-ASCII $search";
+            $sRead = sqimap_run_command ($imap_stream, $query, true, $response, $message, TRUE);
+        } else {
+            sqm_trigger_imap_error('SQM_IMAP_ERROR',$query, $response, $message);
+        }
+    } elseif ($response == 'BAD') {
+        sqm_trigger_imap_error('SQM_IMAP_NO_THREAD',$query, $response, $message);
+    }
+    if (isset($sRead[0])) {
+        for ($i=0,$iCnt=count($sRead);$i<$iCnt;++$i) {
+            if (preg_match("/^\* THREAD (.+)$/", $sRead[$i], $aMatch)) {
+                $sThreadResponse = trim($aMatch[1]);
                 break;
             }
         }
     } else {
-        $thread_list = "";
-    }
-    if (!preg_match("/OK/", $response)) {
-        $server_sort_array = 'no';
-        return $server_sort_array;
+        $sThreadResponse = "";
     }
-    if (isset($thread_list)) {
-        $thread_temp = preg_split("//", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
+    unset($sRead);
+
+    if ($response !== 'OK') {
+        return false;
     }
 
-    $counter = 0;
-    $thread_new = array();
-    $k = 0;
-    $thread_new[0] = "";
-    /*
-     * parse the thread response into separate threads
+    /* Example response
+     *  S: * THREAD (2)(3 6 (4 23)(44 7 96))
+     * -- 2
      *
-     * example:
-     *         [0] => (540)
-     *         [1] => (1386)
-     *         [2] => (1599 759 959 37)
-     *         [3] => (492 1787)
-     *         [4] => ((933)(1891))
-     *         [5] => (1030 (1497)(845)(1637))
+     * -- 3
+     *    \-- 6
+     *        |-- 4
+     *        |   \-- 23
+     *        |
+     *        \-- 44
+     *             \-- 7
+     *                 \-- 96
      */
-    for ($i=0,$iCnt=count($thread_temp);$i<$iCnt;$i++) {
-        if ($thread_temp[$i] != ')' && $thread_temp[$i] != '(') {
-            $thread_new[$k] = $thread_new[$k] . $thread_temp[$i];
-        } elseif ($thread_temp[$i] == '(') {
-            $thread_new[$k] .= $thread_temp[$i];
-            $counter++;
-        } elseif ($thread_temp[$i] == ')') {
-            if ($counter > 1) {
-                $thread_new[$k] .= $thread_temp[$i];
-                $counter = $counter - 1;
-            } else {
-                $thread_new[$k] .= $thread_temp[$i];
-                $k++;
-                $thread_new[$k] = "";
-                $counter = $counter - 1;
+/*
+ * Notes for future work:
+ * indent_array should contain: indent_level, parent and flags,
+ * sibling nodes ..
+ * To achieve that we  need to define the following flags:
+ * 0: hasnochildren
+ * 1: haschildren
+ * 2: is first
+ * 4: is last
+ * a node has sibling nodes if it's not the last node
+ * a node has no sibling nodes if it's the last node
+ * By using binary comparations we can store the flag in one var
+ *
+ * example:
+ * -1      par = 0, level = 0, flag = 1 + 2 + 4 = 7 (haschildren,   isfirst, islast)
+ *  \-2    par = 1, level = 1, flag = 0 + 2     = 2 (hasnochildren, isfirst)
+ *  |-3    par = 1, level = 1, flag = 1 + 4     = 5 (haschildren,   islast)
+ *   \-4   par = 3, level = 2, flag = 1 + 2 + 4 = 7 (haschildren,   isfirst, islast)
+ *     \-5 par = 4, level = 3, flag = 0 + 2 + 4 = 6 (hasnochildren, isfirst, islast)
+ */
+
+    $j = 0;
+    $k = 0;
+    $l = 0;
+    $aUidThread = array();
+    $aIndent = array();
+    $aUidSubThread = array();
+    $aDepthStack = array();
+    $sUid = '';
+
+    if ($sThreadResponse) {
+        for ($i=0,$iCnt = strlen($sThreadResponse);$i<$iCnt;++$i) {
+            $cChar = $sThreadResponse{$i};
+            switch ($cChar) {
+                case '(': // new sub thread
+                    // correction for a subthread of a thread with no parents in thread
+                    if (!count($aUidSubThread) && $j > 0) {
+                       --$l;
+                    }
+                    $aDepthStack[$j] = $l;
+                    ++$j;
+                    break;
+                case ')': // close sub thread
+                    if($sUid !== '') {
+                        $aUidSubThread[] = $sUid;
+                        $aIndent[$sUid] = $j + $l - 1;
+                        ++$l;
+                        $sUid = '';
+                    }
+                    --$j;
+                    if ($j === 0) {
+                        // show message that starts the thread first.
+                        $aUidSubThread = array_reverse($aUidSubThread);
+                        // do not use array_merge because it's extremely slow and is causing timeouts
+                        foreach ($aUidSubThread as $iUid) {
+                            $aUidThread[] = $iUid;
+                        }
+                        $aUidSubThread = array();
+                        $l = 0;
+                        $aDepthStack = array();
+                    } else {
+                        $l = $aDepthStack[$j];
+                    }
+                    break;
+                case ' ': // new child
+                    if ($sUid !== '') {
+                        $aUidSubThread[] = $sUid;
+                        $aIndent[$sUid] = $j + $l - 1;
+                        ++$l;
+                        $sUid = '';
+                    }
+                    break;
+                default: // part of UID
+                    $sUid .= $cChar;
+                    break;
             }
         }
     }
-
-    $thread_new = array_reverse($thread_new);
-    /* place the threads after each other in one string */
-    $thread_list = implode(" ", $thread_new);
-    $thread_list = str_replace("(", " ", $thread_list);
-    $thread_list = str_replace(")", " ", $thread_list);
-    $thread_list = preg_split("/\s/", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
-    $server_sort_array = $thread_list;
-
-    $indent_array = get_parent_level ($thread_new);
-    return array($thread_list,$indent_array);
+    unset($sThreadResponse);
+    // show newest threads first
+    $aUidThread = array_reverse($aUidThread);
+    return array($aUidThread,$aIndent);
 }
 
 
@@ -669,7 +628,7 @@ function sqimap_get_small_header_list($imap_stream, $msg_list,
  * @return array   $aMessageList associative array with messages. Key is the UID, value is an associative array
  * @author Marc Groot Koerkamp
  */
-function parseFetch($aResponse,$aMessageList = array()) {
+function parseFetch(&$aResponse,$aMessageList = array()) {
     for ($j=0,$iCnt=count($aResponse);$j<$iCnt;++$j) {
         $aMsg = array();
 
@@ -822,6 +781,7 @@ function parseFetch($aResponse,$aMessageList = array()) {
             $msgi = '';
        }
        $aMessageList[$msgi] = $aMsg;
+       $aResponse[$j] = NULL;
     }
     return $aMessageList;
 }
@@ -962,7 +922,7 @@ function sqimap_get_message($imap_stream, $id, $mailbox) {
     if ($read) {
         if (preg_match('/.+FLAGS\s\((.*)\)\s/AUi',$read[0],$regs)) {
             if (trim($regs[1])) {
-                $flags = preg_split('/ /', $regs[1],-1,'PREG_SPLIT_NI_EMPTY');
+                $flags = preg_split('/ /', $regs[1],-1,PREG_SPLIT_NO_EMPTY);
             }
         }
     } else {
@@ -983,5 +943,3 @@ function sqimap_get_message($imap_stream, $id, $mailbox) {
     $msg->rfc822_header = $rfc822_header;
     return $msg;
 }
-
-?>