X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;ds=sidebyside;f=functions%2Fimap_messages.php;h=ece3179fe4e4c394a09496a4dc86df11bd88daa9;hb=482956f2594e185bf7fa3ba7c2efbb674525943f;hp=cdd240a82b6642fd3d652a5b6a946ac9de4df69b;hpb=cbdc56211e121e2676782da26828959da364ec52;p=squirrelmail.git diff --git a/functions/imap_messages.php b/functions/imap_messages.php index cdd240a8..ece3179f 100755 --- a/functions/imap_messages.php +++ b/functions/imap_messages.php @@ -1,314 +1,954 @@ 0) { - $charset = substr($charset, $pos, strpos($line, " ", $pos)); - } else { - $charset = substr($charset, $pos); - } - $charset = str_replace("\"", "", $charset); - $header["CHARSET"] = $charset; + $s .= $iStart; + if ($iStart != $iEnd) { + $s .= ':' . $iEnd; + } + } + } + return $s; +} + + +/** + * Retrieves an array with a sorted uid list. Sorting is done on the imap server + * @link http://www.ietf.org/internet-drafts/draft-ietf-imapext-sort-17.txt + * @param resource $imap_stream IMAP socket connection + * @param string $sSortField Field to sort on + * @param bool $reverse Reverse order search + * @return array $id sorted uid list + */ +function sqimap_get_sort_order($imap_stream, $sSortField, $reverse, $search='ALL') { + global $default_charset; + + if ($sSortField) { + if ($reverse) { + $sSortField = 'REVERSE '.$sSortField; + } + $query = "SORT ($sSortField) ".strtoupper($default_charset)." $search"; + // FIX ME sqimap_run_command should return the parsed data accessible by $aDATA['SORT'] + // 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') { + 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 { - $header["CHARSET"] = "us-ascii"; + sqm_trigger_imap_error('SQM_IMAP_ERROR',$query, $response, $message); } - - } - - else if (strtolower(substr($read[$i], 0, 20)) == "content-disposition:") { - /** Add better dontent-disposition support **/ - - $line = $read[$i]; - $i++; - while ( (substr(substr($read[$i], 0, strpos($read[$i], " ")), -1) != ":") && (trim($read[$i]) != "") && (trim($read[$i]) != ")")) { - str_replace("\n", "", $line); - str_replace("\n", "", $read[$i]); - $line = "$line $read[$i]"; - $i++; + } else if ($response == 'BAD') { + sqm_trigger_imap_error('SQM_IMAP_NO_SORT',$query, $response, $message); + } + } + + if ($response == 'OK') { + return parseUidList($aData,'SORT'); + } else { + return false; + } +} + + +/** + * Parses a UID list returned on a SORT or SEARCH request + * @param array $aData imap response (retrieved from sqimap_run_command_list) + * @param string $sCommand issued imap command (SEARCH or SORT) + * @return array $aUid uid list + */ +function parseUidList($aData,$sCommand) { + $aUid = array(); + if (isset($aData) && count($aData)) { + for ($i=0,$iCnt=count($aData);$i<$iCnt;++$i) { + for ($j=0,$jCnt=count($aData[$i]);$j<$jCnt;++$j) { + if (preg_match("/^\* $sCommand (.+)$/", $aData[$i][$j], $aMatch)) { + $aUid += preg_split("/ /", trim($aMatch[1])); + } } - - /** Detects filename if any **/ - if (strpos(strtolower(trim($line)), "filename=")) { - $pos = strpos($line, "filename=") + 9; - $name = trim($line); - if (strpos($line, " ", $pos) > 0) { - $name = substr($name, $pos, strpos($line, " ", $pos)); - } else { - $name = substr($name, $pos); - } - $name = str_replace("\"", "", $name); - $header["FILENAME"] = $name; + } + } + return array_unique($aUid); +} + +/** + * Retrieves an array with a sorted uid list. Sorting is done by SquirrelMail + * + * @param resource $imap_stream IMAP socket connection + * @param string $sSortField Field to sort on + * @param bool $reverse Reverse order search + * @param array $aUid limit the search to the provided array with uid's default sqimap_get_small_headers uses 1:* + * @return array $aUid sorted uid list + */ +function get_squirrel_sort($imap_stream, $sSortField, $reverse = false, $aUid = NULL) { + if ($sSortField != 'RFC822.SIZE' && $sSortField != 'INTERNALDATE') { + $msgs = sqimap_get_small_header_list($imap_stream, $aUid, + array($sSortField), array()); + } else { + $msgs = sqimap_get_small_header_list($imap_stream, $aUid, + array(), array($sSortField)); + } + $aUid = array(); + $walk = false; + switch ($sSortField) { + // natcasesort section + case 'FROM': + case 'TO': + case 'CC': + if(!$walk) { + array_walk($msgs, create_function('&$v,&$k,$f', + '$v[$f] = (isset($v[$f])) ? $v[$f] : ""; + $addr = reset(parseRFC822Address($v[$f],1)); + $sPersonal = (isset($addr[SQM_ADDR_PERSONAL]) && $addr[SQM_ADDR_PERSONAL]) ? + $addr[SQM_ADDR_PERSONAL] : ""; + $sEmail = ($addr[SQM_ADDR_HOST]) ? + $addr[SQM_ADDR_MAILBOX] . "@".$addr[SQM_ADDR_HOST] : + $addr[SQM_ADDR_HOST]; + $v[$f] = ($sPersonal) ? decodeHeader($sPersonal):$sEmail;'),$sSortField); + $walk = true; + } + // nobreak + case 'SUBJECT': + if(!$walk) { + array_walk($msgs, create_function('&$v,&$k,$f', + '$v[$f] = (isset($v[$f])) ? $v[$f] : ""; + $v[$f] = strtolower(decodeHeader(trim($v[$f]))); + $v[$f] = (preg_match("/^(vedr|sv|re|aw|\[\w\]):\s*(.*)$/si", $v[$f], $matches)) ? + $matches[2] : $v[$f];'),$sSortField); + $walk = true; + } + foreach ($msgs as $item) { + $aUid[$item['UID']] = $item[$sSortField]; + } + natcasesort($aUid); + $aUid = array_keys($aUid); + if ($reverse) { + $aUid = array_reverse($aUid); + } + break; + // \natcasesort section + // sort_numeric section + case 'DATE': + case 'INTERNALDATE': + if(!$walk) { + array_walk($msgs, create_function('&$v,$k,$f', + '$v[$f] = (isset($v[$f])) ? $v[$f] : ""; + $v[$f] = getTimeStamp(explode(" ",$v[$f]));'),$sSortField); + $walk = true; + } + // nobreak; + case 'RFC822.SIZE': + if(!$walk) { + // redefine $sSortField to maintain the same namespace between + // server-side sorting and SquirrelMail sorting + $sSortField = 'SIZE'; + } + foreach ($msgs as $item) { + $aUid[$item['UID']] = (isset($item[$sSortField])) ? $item[$sSortField] : 0; + } + if ($reverse) { + arsort($aUid,SORT_NUMERIC); + } else { + asort($aUid, SORT_NUMERIC); + } + $aUid = array_keys($aUid); + break; + // \sort_numeric section + case 'UID': + $aUid = array_reverse($msgs); + break; + } + return $aUid; +} + +/** + * 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 $sort_by_ref, $default_charset; + + if ($sort_by_ref == 1) { + $sort_type = 'REFERENCES'; + } else { + $sort_type = 'ORDEREDSUBJECT'; + } + $query = "THREAD $sort_type ".strtoupper($default_charset)." $search"; + + // 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') { + 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 { + $sThreadResponse = ""; + } + unset($sRead); + + if ($response !== 'OK') { + return false; + } + + /* Example response + * S: * THREAD (2)(3 6 (4 23)(44 7 96)) + * -- 2 + * + * -- 3 + * \-- 6 + * |-- 4 + * | \-- 23 + * | + * \-- 44 + * \-- 7 + * \-- 96 + */ +/* + * 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 .= $cChar; + break; } - } - - /** REPLY-TO **/ - else if (strtolower(substr($read[$i], 0, 9)) == "reply-to:") { - $header["REPLYTO"] = trim(substr($read[$i], 9, strlen($read[$i]))); - $i++; - } - - /** FROM **/ - else if (strtolower(substr($read[$i], 0, 5)) == "from:") { - $header["FROM"] = trim(substr($read[$i], 5, strlen($read[$i]) - 6)); - if ($header["REPLYTO"] == "") - $header["REPLYTO"] = $header["FROM"]; - $i++; - } - /** DATE **/ - else if (strtolower(substr($read[$i], 0, 5)) == "date:") { - $d = substr($read[$i], 5); - $d = trim($d); - $d = ereg_replace(" ", " ", $d); - $d = explode(" ", $d); - $header["DATE"] = getTimeStamp($d); - $i++; - } - /** SUBJECT **/ - else if (strtolower(substr($read[$i], 0, 8)) == "subject:") { - $header["SUBJECT"] = trim(substr($read[$i], 8, strlen($read[$i]) - 9)); - if (strlen(Chop($header["SUBJECT"])) == 0) - $header["SUBJECT"] = _("(no subject)"); - $i++; - } - /** CC **/ - else if (strtolower(substr($read[$i], 0, 3)) == "cc:") { - $pos = 0; - $header["CC"][$pos] = trim(substr($read[$i], 4)); - $i++; - while ((substr($read[$i], 0, 1) == " ") && (trim($read[$i]) != "")) { - $pos++; - $header["CC"][$pos] = trim($read[$i]); - $i++; + } + } + unset($sThreadResponse); + // show newest threads first + $aUidThread = array_reverse($aUidThread); + return array($aUidThread,$aIndent); +} + + +function elapsedTime($start) { + $stop = gettimeofday(); + $timepassed = 1000000 * ($stop['sec'] - $start['sec']) + $stop['usec'] - $start['usec']; + return $timepassed; +} + + +/** + * Normalise the different Priority headers into a uniform value, + * namely that of the X-Priority header (1, 3, 5). Supports: + * Prioirty, X-Priority, Importance. + * X-MS-Mail-Priority is not parsed because it always coincides + * with one of the other headers. + * + * FIXME: DUPLICATE CODE ALERT: + * NOTE: this is actually a duplicate from the function in + * class/mime/Rfc822Header.php. + * @todo obsolate function or use it instead of code block in parseFetch() + */ +function parsePriority($sValue) { + $aValue = split('/\w/',trim($sValue)); + $value = strtolower(array_shift($aValue)); + if ( is_numeric($value) ) { + return $value; + } + if ( $value == 'urgent' || $value == 'high' ) { + return 1; + } elseif ( $value == 'non-urgent' || $value == 'low' ) { + return 5; + } + return 3; +} + +/** + * Parses a string in an imap response. String starts with " or { which means it + * can handle double quoted strings and literal strings + * + * @param string $read imap response + * @param integer $i (reference) offset in string + * @return string $s parsed string without the double quotes or literal count + */ +function parseString($read,&$i) { + $char = $read{$i}; + $s = ''; + if ($char == '"') { + $iPos = ++$i; + while (true) { + $iPos = strpos($read,'"',$iPos); + if (!$iPos) break; + if ($iPos && $read{$iPos -1} != '\\') { + $s = substr($read,$i,($iPos-$i)); + $i = $iPos; + break; } - } - /** TO **/ - else if (strtolower(substr($read[$i], 0, 3)) == "to:") { - $pos = 0; - $header["TO"][$pos] = trim(substr($read[$i], 4)); - $i++; - while ((substr($read[$i], 0, 1) == " ") && (trim($read[$i]) != "")){ - $pos++; - $header["TO"][$pos] = trim($read[$i]); - $i++; + $iPos++; + if ($iPos > strlen($read)) { + break; } - } - /** MESSAGE ID **/ - else if (strtolower(substr($read[$i], 0, 11)) == "message-id:") { - $header["MESSAGE-ID"] = trim(substr($read[$i], 11)); - $i++; - } - - - /** ERROR CORRECTION **/ - else if (substr($read[$i], 0, 1) == ")") { - if ($header["SUBJECT"] == "") - $header["SUBJECT"] = _("(no subject)"); - - if ($header["FROM"] == "") - $header["FROM"] = _("(unknown sender)"); - - if ($header["DATE"] == "") - $header["DATE"] = time(); - $i++; - } - else { - $i++; - } - } - return $header; - } - - - /****************************************************************************** - ** Returns the body of a message. - ******************************************************************************/ - function sqimap_get_message_body ($imap_stream, $bound, $id, $type0, $type1, $encoding, $charset) { - fputs ($imap_stream, "a001 FETCH $id:$id BODY[TEXT]\r\n"); - $read = sqimap_read_data ($imap_stream, "a001", true, $response, $message); - - $i = 0; - $j = 0; - while ($i < count($read)-1) { - if ( ($i != 0) ) { - $bodytmp[$j] = $read[$i]; - $j++; - } - $i++; - } - $body = $bodytmp; - - return decodeMime($body, $bound, $type0, $type1, $encoding, $charset); - } -?> + } + } else if ($char == '{') { + $lit_cnt = ''; + ++$i; + $iPos = strpos($read,'}',$i); + if ($iPos) { + $lit_cnt = substr($read, $i, $iPos - $i); + $i += strlen($lit_cnt) + 3; /* skip } + \r + \n */ + /* Now read the literal */ + $s = ($lit_cnt ? substr($read,$i,$lit_cnt): ''); + $i += $lit_cnt; + /* temp bugfix (SM 1.5 will have a working clean version) + too much work to implement that version right now */ + --$i; + } else { /* should never happen */ + $i += 3; /* } + \r + \n */ + $s = ''; + } + } else { + return false; + } + ++$i; + return $s; +} + + +/** + * Parses a string containing an array from an imap response. String starts with ( and end with ) + * + * @param string $read imap response + * @param integer $i (reference) offset in string + * @return array $a + */ +function parseArray($read,&$i) { + $i = strpos($read,'(',$i); + $i_pos = strpos($read,')',$i); + $s = substr($read,$i+1,$i_pos - $i -1); + $a = explode(' ',$s); + if ($i_pos) { + $i = $i_pos+1; + return $a; + } else { + return false; + } +} + + +/** + * Retrieves a list with headers, flags, size or internaldate from the imap server + * + * WARNING: function is not portable between SquirrelMail 1.2.x, 1.4.x and 1.5.x. + * Output format, third argument and $msg_list array format requirements differ. + * @param stream $imap_stream imap connection + * @param array $msg_list array with id's to create a msgs set from + * @param array $aHeaderFields (since 1.5.0) requested header fields + * @param array $aFetchItems (since 1.5.0) requested other fetch items like FLAGS, RFC822.SIZE + * @return array $aMessages associative array with messages. Key is the UID, value is an associative array + * @since 1.1.3 + */ +function sqimap_get_small_header_list($imap_stream, $msg_list, + $aHeaderFields = array('Date', 'To', 'Cc', 'From', 'Subject', 'X-Priority', 'Content-Type'), + $aFetchItems = array('FLAGS', 'RFC822.SIZE', 'INTERNALDATE')) { + + $aMessageList = array(); + + /** + * Catch other priority headers as well + */ + if (in_array('X-Priority',$aHeaderFields,true)) { + $aHeaderFields[] = 'Importance'; + $aHeaderFields[] = 'Priority'; + } + + $bUidFetch = ! in_array('UID', $aFetchItems, true); + + /* Get the small headers for each message in $msg_list */ + if ($msg_list !== NULL) { + $msgs_str = sqimap_message_list_squisher($msg_list); + /* + * We need to return the data in the same order as the caller supplied + * in $msg_list, but IMAP servers are free to return responses in + * whatever order they wish... So we need to re-sort manually + */ + if ($bUidFetch) { + for ($i = 0; $i < sizeof($msg_list); $i++) { + $aMessageList["$msg_list[$i]"] = array(); + } + } + } else { + $msgs_str = '1:*'; + } + + /* + * Create the query + */ + + $sFetchItems = ''; + $query = "FETCH $msgs_str ("; + if (count($aFetchItems)) { + $sFetchItems = implode(' ',$aFetchItems); + } + if (count($aHeaderFields)) { + $sHeaderFields = implode(' ',$aHeaderFields); + $sFetchItems .= ' BODY.PEEK[HEADER.FIELDS ('.$sHeaderFields.')]'; + } + $query .= trim($sFetchItems) . ')'; + $aResponse = sqimap_run_command_list ($imap_stream, $query, true, $response, $message, $bUidFetch); + $aMessages = parseFetch($aResponse,$aMessageList); + array_reverse($aMessages); + return $aMessages; +} + + +/** + * Parses a fetch response, currently it can hande FLAGS, HEADERS, RFC822.SIZE, INTERNALDATE and UID + * @param array $aResponse Imap response + * @param array $aMessageList Placeholder array for results. The keys of the + * placeholder array should be the UID so we can reconstruct the order. + * @return array $aMessageList associative array with messages. Key is the UID, value is an associative array + * @author Marc Groot Koerkamp + */ +function parseFetch(&$aResponse,$aMessageList = array()) { + for ($j=0,$iCnt=count($aResponse);$j<$iCnt;++$j) { + $aMsg = array(); + + $read = implode('',$aResponse[$j]); + // free up memmory + unset($aResponse[$j]); /* unset does not reindex the array. the for loop is safe */ + /* + * #idFETCH( + */ + + /* extract the message id */ + $i_space = strpos($read,' ',2);/* position 2ed */ + $id = substr($read,2/* skip "*" */,$i_space -2); + $aMsg['ID'] = $id; + $fetch = substr($read,$i_space+1,5); + if (!is_numeric($id) && $fetch !== 'FETCH') { + $aMsg['ERROR'] = $read; // htmlspecialchars should be done just before display. this is backend code + break; + } + $i = strpos($read,'(',$i_space+5); + $read = substr($read,$i+1); + $i_len = strlen($read); + $i = 0; + while ($i < $i_len && $i !== false) { + /* get argument */ + $read = trim(substr($read,$i)); + $i_len = strlen($read); + $i = strpos($read,' '); + $arg = substr($read,0,$i); + ++$i; + /* + * use allcaps for imap items and lowcaps for headers as key for the $aMsg array + */ + switch ($arg) + { + case 'UID': + $i_pos = strpos($read,' ',$i); + if (!$i_pos) { + $i_pos = strpos($read,')',$i); + } + if ($i_pos) { + $unique_id = substr($read,$i,$i_pos-$i); + $i = $i_pos+1; + } else { + break 3; + } + break; + case 'FLAGS': + $flags = parseArray($read,$i); + if (!$flags) break 3; + $aFlags = array(); + foreach ($flags as $flag) { + $flag = strtolower($flag); + $aFlags[$flag] = true; + } + $aMsg['FLAGS'] = $aFlags; + break; + case 'RFC822.SIZE': + $i_pos = strpos($read,' ',$i); + if (!$i_pos) { + $i_pos = strpos($read,')',$i); + } + if ($i_pos) { + $aMsg['SIZE'] = substr($read,$i,$i_pos-$i); + $i = $i_pos+1; + } else { + break 3; + } + break; + case 'ENVELOPE': + // sqimap_parse_address($read,$i,$aMsg); + break; // to be implemented, moving imap code out of the Message class + case 'BODYSTRUCTURE': + break; // to be implemented, moving imap code out of the Message class + case 'INTERNALDATE': + $aMsg['INTERNALDATE'] = trim(str_replace(' ', ' ',parseString($read,$i))); + break; + case 'BODY.PEEK[HEADER.FIELDS': + case 'BODY[HEADER.FIELDS': + $i = strpos($read,'{',$i); // header is always returned as literal because it contain \n characters + $header = parseString($read,$i); + if ($header === false) break 2; + /* First we replace all \r\n by \n, and unfold the header */ + $hdr = trim(str_replace(array("\r\n", "\n\t", "\n "),array("\n", ' ', ' '), $header)); + /* Now we can make a new header array with + each element representing a headerline */ + $aHdr = explode("\n" , $hdr); + $aReceived = array(); + foreach ($aHdr as $line) { + $pos = strpos($line, ':'); + if ($pos > 0) { + $field = strtolower(substr($line, 0, $pos)); + if (!strstr($field,' ')) { /* valid field */ + $value = trim(substr($line, $pos+1)); + switch($field) { + case 'date': + $aMsg['date'] = trim(str_replace(' ', ' ', $value)); + break; + case 'x-priority': $aMsg['x-priority'] = ($value) ? (int) $value{0} : 3; break; + case 'priority': + case 'importance': + if (!isset($aMsg['x-priority'])) { + $aPrio = split('/\w/',trim($value)); + $sPrio = strtolower(array_shift($aPrio)); + if (is_numeric($sPrio)) { + $iPrio = (int) $sPrio; + } elseif ( $sPrio == 'non-urgent' || $sPrio == 'low' ) { + $iPrio = 3; + } elseif ( $sPrio == 'urgent' || $sPrio == 'high' ) { + $iPrio = 1; + } else { + // default is normal priority + $iPrio = 3; + } + $aMsg['x-priority'] = $iPrio; + } + break; + case 'content-type': + $type = $value; + if ($pos = strpos($type, ";")) { + $type = substr($type, 0, $pos); + } + $type = explode("/", $type); + if(!is_array($type) || count($type) < 2) { + $aMsg['content-type'] = array('text','plain'); + } else { + $aMsg['content-type'] = array(strtolower($type[0]),strtolower($type[1])); + } + break; + case 'received': + $aMsg['received'][] = $value; + break; + default: + $aMsg[$field] = $value; + break; + } + } + } + } + break; + default: + ++$i; + break; + } + } + if (!empty($unique_id)) { + $msgi = "$unique_id"; + $aMsg['UID'] = $unique_id; + } else { + $msgi = ''; + } + $aMessageList[$msgi] = $aMsg; + $aResponse[$j] = NULL; + } + return $aMessageList; +} + +/** + * Work in process + * @private + * @author Marc Groot Koerkamp + */ +function sqimap_parse_envelope($read, &$i, &$msg) { + $arg_no = 0; + $arg_a = array(); + ++$i; + for ($cnt = strlen($read); ($i < $cnt) && ($read{$i} != ')'); ++$i) { + $char = strtoupper($read{$i}); + switch ($char) { + case '{': + case '"': + $arg_a[] = parseString($read,$i); + ++$arg_no; + break; + case 'N': + /* probably NIL argument */ + if (strtoupper(substr($read, $i, 3)) == 'NIL') { + $arg_a[] = ''; + ++$arg_no; + $i += 2; + } + break; + case '(': + /* Address structure (with group support) + * Note: Group support is useless on SMTP connections + * because the protocol doesn't support it + */ + $addr_a = array(); + $group = ''; + $a=0; + for (; $i < $cnt && $read{$i} != ')'; ++$i) { + if ($read{$i} == '(') { + $addr = sqimap_parse_address($read, $i); + if (($addr[3] == '') && ($addr[2] != '')) { + /* start of group */ + $group = $addr[2]; + $group_addr = $addr; + $j = $a; + } else if ($group && ($addr[3] == '') && ($addr[2] == '')) { + /* end group */ + if ($a == ($j+1)) { /* no group members */ + $group_addr[4] = $group; + $group_addr[2] = ''; + $group_addr[0] = "$group: Undisclosed recipients;"; + $addr_a[] = $group_addr; + $group =''; + } + } else { + $addr[4] = $group; + $addr_a[] = $addr; + } + ++$a; + } + } + $arg_a[] = $addr_a; + break; + default: break; + } + } + + if (count($arg_a) > 9) { + $d = strtr($arg_a[0], array(' ' => ' ')); + $d = explode(' ', $d); + if (!$arg_a[1]) $arg_a[1] = ''; + $msg['DATE'] = $d; /* argument 1: date */ + $msg['SUBJECT'] = $arg_a[1]; /* argument 2: subject */ + $msg['FROM'] = is_array($arg_a[2]) ? $arg_a[2][0] : ''; /* argument 3: from */ + $msg['SENDER'] = is_array($arg_a[3]) ? $arg_a[3][0] : ''; /* argument 4: sender */ + $msg['REPLY-TO'] = is_array($arg_a[4]) ? $arg_a[4][0] : ''; /* argument 5: reply-to */ + $msg['TO'] = $arg_a[5]; /* argument 6: to */ + $msg['CC'] = $arg_a[6]; /* argument 7: cc */ + $msg['BCC'] = $arg_a[7]; /* argument 8: bcc */ + $msg['IN-REPLY-TO'] = $arg_a[8]; /* argument 9: in-reply-to */ + $msg['MESSAGE-ID'] = $arg_a[9]; /* argument 10: message-id */ + } +} + + +/** + * Work in process + * @private + * @author Marc Groot Koerkamp + */ +function sqimap_parse_address($read, &$i) { + $arg_a = array(); + for (; $read{$i} != ')'; ++$i) { + $char = strtoupper($read{$i}); + switch ($char) { + case '{': + case '"': $arg_a[] = parseString($read,$i); break; + case 'n': + case 'N': + if (strtoupper(substr($read, $i, 3)) == 'NIL') { + $arg_a[] = ''; + $i += 2; + } + break; + default: break; + } + } + + if (count($arg_a) == 4) { + return $arg_a; + +// $adr = new AddressStructure(); +// $adr->personal = $arg_a[0]; +// $adr->adl = $arg_a[1]; +// $adr->mailbox = $arg_a[2]; +// $adr->host = $arg_a[3]; + } else { + $adr = ''; + } + return $adr; +} + + +/** + * Returns a message array with all the information about a message. + * See the documentation folder for more information about this array. + * + * @param resource $imap_stream imap connection + * @param integer $id uid of the message + * @param string $mailbox used for error handling, can be removed because we should return an error code and generate the message elsewhere + * @param int $hide Indicates whether or not to hide any errors: 0 = don't hide, 1 = hide (just exit), 2 = hide (return FALSE), 3 = hide (return error string) (OPTIONAL; default don't hide) + * @return mixed Message object or FALSE/error string if error occurred and $hide is set to 2/3 + */ +function sqimap_get_message($imap_stream, $id, $mailbox, $hide=0) { + // typecast to int to prohibit 1:* msgs sets + $id = (int) $id; + $flags = array(); + $read = sqimap_run_command($imap_stream, "FETCH $id (FLAGS BODYSTRUCTURE)", true, $response, $message, TRUE); + if ($read) { + if (preg_match('/.+FLAGS\s\((.*)\)\s/AUi',$read[0],$regs)) { + if (trim($regs[1])) { + $flags = preg_split('/ /', $regs[1],-1,PREG_SPLIT_NO_EMPTY); + } + } + } else { + + if ($hide == 1) exit; + if ($hide == 2) return FALSE; + + /* the message was not found, maybe the mailbox was modified? */ + global $sort, $startMessage, $color; + + $errmessage = _("The server couldn't find the message you requested."); + + if ($hide == 3) return $errmessage; + + $errmessage .= '

'._("Most probably your message list was out of date and the message has been moved away or deleted (perhaps by another program accessing the same mailbox)."); + + /* this will include a link back to the message list */ + error_message($errmessage, $mailbox, $sort, (int) $startMessage, $color); + exit; + } + $bodystructure = implode('',$read); + $msg = mime_structure($bodystructure,$flags); + $read = sqimap_run_command($imap_stream, "FETCH $id BODY[HEADER]", true, $response, $message, TRUE); + $rfc822_header = new Rfc822Header(); + $rfc822_header->parseHeader($read); + $msg->rfc822_header = $rfc822_header; + return $msg; +}