--- /dev/null
+<?php
+
+function sqimap_parse_RFC822Header ($read, $hdr) {
+ $i = 0;
+ /* Set up some defaults */
+ $hdr->type0 = "text";
+ $hdr->type1 = "plain";
+ $hdr->charset = "us-ascii";
+
+ $count = count($read);
+ while ($i < $count) {
+ /* unfold multi-line headers */
+ while (($i + 1 < $count) && (strspn($read[$i + 1], "\t ") > 0) ) {
+ $read[$i + 1] = substr($read[$i], 0, -2) . ' ' . ltrim($read[$i+1]);
+ array_splice($read, $i, 1);
+ $count--;
+ }
+ $line = $read[$i];
+ $c = strtolower($line{0});
+ switch ($c) {
+ case 'm':
+ $c2 = strtolower($line{1});
+ switch ($c2) {
+ case 'i':
+ if (substr($line, 0, 17) == "MIME-Version: 1.0") {
+ $hdr->mime = true;
+ }
+ $i++;
+ break;
+ case 'e':
+ /* MESSAGE ID */
+ if (strtolower(substr($line, 0, 11)) == "message-id:") {
+ $hdr->message_id = trim(substr($line, 11));
+ }
+ $i++;
+ break;
+ default:
+ $i++;
+ break;
+ }
+ break;
+ case 'c':
+ $c2 = strtolower($line{1});
+ switch ($c2) {
+ case 'o':
+ /* Content-Transfer-Encoding */
+ if (substr(strtolower($line), 0, 26) == "content-transfer-encoding:") {
+ $hdr->encoding = strtolower(trim(substr($line, 26)));
+ $i++;
+ }
+ /* Content-Type */
+ else if (strtolower(substr($line, 0, 13)) == "content-type:") {
+ $cont = strtolower(trim(substr($line, 13)));
+ if (strpos($cont, ";")) {
+ $cont = substr($cont, 0, strpos($cont, ";"));
+ }
+ if (strpos($cont, "/")) {
+ $hdr->type0 = substr($cont, 0, strpos($cont, "/"));
+ $hdr->type1 = substr($cont, strpos($cont, "/")+1);
+ } else {
+ $hdr->type0 = $cont;
+ }
+ $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++;
+ }
+
+ /* Detect the boundary of a multipart message */
+ if (eregi('boundary="([^"]+)"', $line, $regs)) {
+ $hdr->boundary = $regs[1];
+ }
+
+ /* Detect the charset */
+ if (strpos(strtolower(trim($line)), "charset=")) {
+ $pos = strpos($line, "charset=") + 8;
+ $charset = trim($line);
+ if (strpos($line, ";", $pos) > 0) {
+ $charset = substr($charset, $pos, strpos($line, ";", $pos)-$pos);
+ } else {
+ $charset = substr($charset, $pos);
+ }
+ $charset = str_replace("\"", "", $charset);
+ $hdr->charset = $charset;
+ } else {
+ $hdr->charset = "us-ascii";
+ }
+ /* Detect type in case of multipart/related */
+ if (strpos(strtolower(trim($line)), "type=")) {
+ $pos = strpos($line, "type=") + 6;
+ $type = trim($line);
+ if (strpos($line, ";", $pos) > 0) {
+ $type = substr($type, $pos, strpos($line, ";", $pos)-$pos);
+ } else {
+ $type = substr($type, $pos);
+ }
+ $hdr->type = $type;
+ }
+ }
+ else if (strtolower(substr($line, 0, 20)) == "content-disposition:") {
+ /* Add better content-disposition support */
+ $i++;
+ while ( (substr(substr($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]";
+ $i++;
+ }
+
+ /* Detects filename if any */
+ if (strpos(strtolower(trim($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);
+ $hdr->filename = $name;
+ }
+ } else $i++;
+ break;
+ case 'c': /* Cc */
+ if (strtolower(substr($line, 0, 3)) == "cc:") {
+ $hdr->cc = sqimap_parse_address(trim(substr($line, 9, strlen($line) - 10)), true);
+ }
+ $i++;
+ break;
+ default:
+ $i++;
+ break;
+ }
+ break;
+ case 'r': /* Reply-To */
+ if (strtolower(substr($line, 0, 9)) == "reply-to:") {
+ $hdr->replyto = sqimap_parse_address(trim(substr($line, 9, strlen($line) - 10)), false);
+ }
+ $i++;
+ break;
+ case 'f': /* From */
+ if (strtolower(substr($line, 0, 5)) == "from:") {
+ $hdr->from=sqimap_parse_address(trim(substr($line, 5, strlen($line) - 6)), false);
+ if (! isset($hdr->replyto) || $hdr->replyto == "") {
+ $hdr->replyto = $hdr->from;
+ }
+ }
+ $i++;
+ break;
+ case 'd':
+ $c2 = strtolower($line{1});
+ switch ($c2) {
+ case 'a': /* Date */
+ if (strtolower(substr($line, 0, 5)) == "date:") {
+ $d = substr($read[$i], 5);
+ $d = trim($d);
+ $d = strtr($d, array(' ' => ' '));
+ $d = explode(' ', $d);
+ $hdr->date = getTimeStamp($d);
+ }
+ $i++;
+ break;
+ case 'i': /* Disposition-Notification-To */
+ if (strtolower(substr($line, 0, 28)) == "disposition-notification-to:") {
+ $dnt = trim(substr($read[$i], 28));
+ $hdr->disposition = sqimap_parse_address($dnt, false);
+ }
+ $i++;
+ break;
+ default:
+ $i++;
+ break;
+ }
+ break;
+ case 's':
+ /* SUBJECT */
+ if (strtolower(substr($line, 0, 8)) == "subject:") {
+ $hdr->subject = trim(substr($line, 8, strlen($line) - 9));
+ if (strlen(Chop($hdr->subject)) == 0) {
+ $hdr->subject = _("(no subject)");
+ }
+ }
+ $i++;
+ break;
+ case 'b':
+ /* BCC */
+ if (strtolower(substr($line, 0, 4)) == "bcc:") {
+ $hdr->bcc = sqimap_parse_address(trim(substr($line, 4, strlen($line) - 5)), true);
+ }
+ $i++;
+ break;
+ case 't':
+ /* TO */
+ if (strtolower(substr($line, 0, 3)) == "to:") {
+ $hdr->to = sqimap_parse_address(trim(substr($line, 3, strlen($line) - 4)), true);
+ }
+ $i++;
+ break;
+ case ')':
+ /* ERROR CORRECTION */
+ if (strlen(trim($hdr->subject)) == 0) {
+ $hdr->subject = _("(no subject)");
+ }
+ if (strlen(trim($hdr->from)) == 0) {
+ $hdr->from = _("(unknown sender)");
+ }
+ if (strlen(trim($hdr->date)) == 0) {
+ $hdr->date = time();
+ }
+ $i++;
+ break;
+ case 'x':
+ /* X-PRIORITY */
+ if (strtolower(substr($line, 0, 11)) == "x-priority:") {
+ $hdr->priority = trim(substr($line, 11));
+ }
+ $i++;
+ break;
+ default:
+ $i++;
+ break;
+ }
+ }
+ return $hdr;
+}
+
+/**
+ * function to process addresses.
+ */
+function sqimap_parse_address($address, $ar, $addr_ar = array(), $group = '') {
+ $pos = 0;
+ $j = strlen( $address );
+ $name = '';
+ $addr = '';
+
+ while ( $pos < $j ) {
+ if ($address{$pos} == '"') { /* get the personal name */
+ $pos++;
+ while ( $address{$pos} != '"' &&
+ $pos < $j ) {
+ if (substr($address, $pos, 2) == '\\"') {
+ $name .= $address{$pos};
+ $pos++;
+ } elseif (substr($address, $pos, 2) == '\\\\') {
+ $name .= $address{$pos};
+ $pos++;
+ }
+ $name .= $address{$pos};
+ $pos++;
+ }
+ } elseif ($address{$pos} == '<') { /* get email address */
+ $addr_start=$pos;
+ $pos++;
+ while ( $address{$pos} != '>' &&
+ $pos < $j ) {
+ $addr .= $address{$pos};
+ $pos++;
+ }
+ } elseif ($address{$pos} == '(') { /* rip off comments */
+ $addr_start=$pos;
+ $pos++;
+ while ( $address{$pos} != ')' &&
+ $pos < $j ) {
+ $addr .= $address{$pos};
+ $pos++;
+ }
+ $address_start = substr($address,0,$addr_start);
+ $address_end = substr($address,$pos+1);
+ $address = $address_start . $address_end;
+ $j = strlen( $address );
+ $pos = $addr_start;
+ } elseif ( $address{$pos} == ',' ) { /* we reached a delimiter */
+ if ($addr == '') {
+ $addr = substr($address,0,$pos);
+ } elseif ($name == '') {
+ $name = substr($address,0,$addr_start);
+ }
+ $at = strpos($addr, '@');
+ $addr_structure = new address_structure();
+ $addr_structure->personal = $name;
+ $addr_structure->group = $group;
+
+ if ($at) {
+ $addr_structure->mailbox = substr($addr,0,$at);
+ $addr_structure->host = substr($addr,$at+1);
+ } else {
+ $addr_structure->mailbox = $addr;
+ }
+ $address = substr($address,$pos+1);
+ $j = strlen( $address );
+ $pos = 0;
+ $name = '';
+ $addr = '';
+ $addr_ar[] = $addr_structure;
+
+ } elseif ( $address{$pos} == ":" ) { /* process the group addresses */
+ /* group marker */
+ $group = substr($address,0,$pos);
+ $address = substr($address,$pos+1);
+ $result = sqimap_parse_address($address, $ar, $addr_ar, $group);
+ $addr_ar = $result[0];
+ $pos = $result[1];
+ $address = substr($address,$pos);
+ $j = strlen( $address );
+ $group = '';
+ } elseif ($address{$pos} == ';' && $group ) {
+ $address = substr($address, 0, $pos-1);
+ break;
+ }
+ $pos++;
+ }
+ if ($addr == '') {
+ $addr = substr($address,0,$pos);
+ } elseif ($name == '') {
+ $name = substr($address,0,$addr_start);
+ }
+ $at = strpos($addr, '@');
+ $addr_structure = new address_structure();
+ $addr_structure->group = $group;
+ if ($at) {
+ $addr_structure->mailbox = trim(substr($addr,0,$at));
+ $addr_structure->host = trim(substr($addr,$at+1));
+ } else {
+ $addr_structure->mailbox = trim($addr);
+ }
+
+ if ($group && $addr == '') { /* no addresses found in group */
+ $name = "$group: Undisclosed recipients;";
+ $addr_structure->personal = $name;
+ $addr_ar[] = $addr_structure;
+ return (array($addr_ar,$pos+1));
+ } else {
+ $addr_structure->personal = $name;
+ if ($name || $addr) {
+ $addr_ar[] = $addr_structure;
+ }
+ }
+ if ($ar) {
+ return ($addr_ar);
+ } else {
+ return ($addr_ar[0]);
+ }
+
+}
+?>
\ No newline at end of file