merged multipart email changes

1 files changed, 201 insertions, 0 deletions

diff --git a/include/email.php b/include/email.php
new file mode 100644
index 000000000..7e0351e94
--- /dev/null
+++ b/include/email.php
@@ -0,0 +1,201 @@
+<?php
+
+function email_connect($mailbox,$username,$password) {
+	if(! function_exists('imap_open'))
+		return false;
+
+	$mbox = imap_open($mailbox,$username,$password);
+
+	return $mbox;
+}
+
+function email_poll($mbox,$email_addr) {
+
+	if(! ($mbox && $email_addr))
+		return array();;
+
+	$search = imap_search($mbox,'FROM "' . $email_addr . '"', SE_UID);
+
+	$search2 = imap_search($mbox,'TO "' . $email_addr . '"', SE_UID);
+
+	if($search && $search2)
+		$res = array_merge($search,$search2);
+	elseif($search)
+		$res = $search;
+	else
+		$res = $search2;
+
+	return (($res) ? $res : array());
+}
+
+
+function construct_mailbox_name($mailacct) {
+	$ret = '{' . $mailacct['server'] . ((intval($mailacct['port'])) ? ':' . $mailacct['port'] : '');
+	$ret .= (($mailacct['ssltype']) ?  '/' . $mailacct['ssltype'] . '/novalidate-cert' : '');
+	$ret .= '}' . $mailacct['mailbox'];
+	return $ret;
+}
+
+
+function email_msg_meta($mbox,$uid) {
+	$ret = (($mbox && $uid) ? imap_fetch_overview($mbox,$uid,FT_UID) : array(array()));
+	return ((count($ret)) ? $ret[0] : array());
+}
+
+function email_msg_headers($mbox,$uid) {
+	$raw_header = (($mbox && $uid) ? imap_fetchheader($mbox,$uid,FT_UID) : '');
+	$raw_header = str_replace("\r",'',$raw_header);
+	$ret = array();
+	$h = split("\n",$raw_header);
+	if(count($h))
+	foreach($h as $line ) {
+	    if (preg_match("/^[a-zA-Z]/", $line)) {
+			$key = substr($line,0,strpos($line,':'));
+			$value = substr($line,strpos($line,':')+1);
+
+			$last_entry = strtolower($key);
+			$ret[$last_entry] = trim($value);
+		}
+		else {
+			$ret[$last_entry] .= ' ' . trim($line);
+    	}
+	}
+	return $ret;
+}
+
+
+function email_get_msg($mbox,$uid) {
+	$ret = array();
+
+	$struc = (($mbox && $uid) ? imap_fetchstructure($mbox,$uid,FT_UID) : null);
+
+	if(! $struc)
+		return $ret;
+
+	if(! $struc->parts) {
+		$ret['body'] = email_get_part($mbox,$uid,$struc,0);
+	}
+	else {
+		foreach($struc->parts as $ptop => $p) {
+			$x = email_get_part($mbox,$uid,$p,$ptop + 1);
+			if($x)
+				$ret['body'] = $x;
+		}
+	}
+	return $ret;
+}
+
+// At the moment - only return plain/text.
+// Later we'll repackage inline images as data url's and make the HTML safe
+
+function email_get_part($mbox,$uid,$p,$partno) {
+    // $partno = '1', '2', '2.1', '2.1.3', etc for multipart, 0 if simple
+    global $htmlmsg,$plainmsg,$charset,$attachments;
+
+	echo $partno;
+
+    // DECODE DATA
+    $data = ($partno)
+		? imap_fetchbody($mbox,$uid,$partno, FT_UID|FT_PEEK)
+        : imap_body($mbox,$uid,FT_UID|FT_PEEK);
+
+    // Any part may be encoded, even plain text messages, so check everything.
+    if ($p->encoding==4)
+        $data = quoted_printable_decode($data);
+    elseif ($p->encoding==3)
+        $data = base64_decode($data);
+
+    // PARAMETERS
+    // get all parameters, like charset, filenames of attachments, etc.
+    $params = array();
+    if ($p->parameters)
+        foreach ($p->parameters as $x)
+            $params[strtolower($x->attribute)] = $x->value;
+    if ($p->dparameters)
+        foreach ($p->dparameters as $x)
+            $params[strtolower($x->attribute)] = $x->value;
+
+    // ATTACHMENT
+    // Any part with a filename is an attachment,
+    // so an attached text file (type 0) is not mistaken as the message.
+
+    if ($params['filename'] || $params['name']) {
+        // filename may be given as 'Filename' or 'Name' or both
+        $filename = ($params['filename'])? $params['filename'] : $params['name'];
+        // filename may be encoded, so see imap_mime_header_decode()
+        $attachments[$filename] = $data;  // this is a problem if two files have same name
+    }
+
+    // TEXT
+    if ($p->type == 0 && $data) {
+        // Messages may be split in different parts because of inline attachments,
+        // so append parts together with blank row.
+        if (strtolower($p->subtype)=='plain')
+            return (trim($data) ."\n\n");
+        else
+			$data = '';
+
+ //           $htmlmsg .= $data ."<br><br>";
+        $charset = $params['charset'];  // assume all parts are same charset
+    }
+
+    // EMBEDDED MESSAGE
+    // Many bounce notifications embed the original message as type 2,
+    // but AOL uses type 1 (multipart), which is not handled here.
+    // There are no PHP functions to parse embedded messages,
+    // so this just appends the raw source to the main message.
+//    elseif ($p->type==2 && $data) {
+//        $plainmsg .= $data."\n\n";
+//    }
+
+    // SUBPART RECURSION
+    if ($p->parts) {
+        foreach ($p->parts as $partno0=>$p2) {
+            $x =  email_get_part($mbox,$uid,$p2,$partno . '.' . ($partno0+1));  // 1.2, 1.2.1, etc.
+			if($x)
+				return $x;
+		}
+    }
+}
+
+
+
+function email_header_encode($in_str, $charset) {
+    $out_str = $in_str;
+    if ($out_str && $charset) {
+
+        // define start delimimter, end delimiter and spacer
+        $end = "?=";
+        $start = "=?" . $charset . "?B?";
+        $spacer = $end . "\r\n " . $start;
+
+        // determine length of encoded text within chunks
+        // and ensure length is even
+        $length = 75 - strlen($start) - strlen($end);
+
+        /*
+            [EDIT BY danbrown AT php DOT net: The following
+            is a bugfix provided by (gardan AT gmx DOT de)
+            on 31-MAR-2005 with the following note:
+            "This means: $length should not be even,
+            but divisible by 4. The reason is that in
+            base64-encoding 3 8-bit-chars are represented
+            by 4 6-bit-chars. These 4 chars must not be
+            split between two encoded words, according
+            to RFC-2047.
+        */
+        $length = $length - ($length % 4);
+
+        // encode the string and split it into chunks
+        // with spacers after each chunk
+        $out_str = base64_encode($out_str);
+        $out_str = chunk_split($out_str, $length, $spacer);
+
+        // remove trailing spacer and
+        // add start and end delimiters
+        $spacer = preg_quote($spacer);
+        $out_str = preg_replace("/" . $spacer . "$/", "", $out_str);
+        $out_str = $start . $out_str . $end;
+    }
+    return $out_str;
+} 
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