From 158b65894a086b36e383c2a41e494eb1d45fdb4a Mon Sep 17 00:00:00 2001
From: Friendika <info@friendika.com>
Date: Fri, 15 Apr 2011 19:16:37 -0700
Subject: initial checkin mailbox reading functions - lots more to do

---
 include/imap.php | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 include/imap.php

(limited to 'include/imap.php')

diff --git a/include/imap.php b/include/imap.php
new file mode 100644
index 000000000..018727639
--- /dev/null
+++ b/include/imap.php
@@ -0,0 +1,107 @@
+<?php
+
+
+function f9_imap_connect($mailbox,$username,$password) {
+
+	if(! (local_user() && function_exists('imap_open')))
+		return false;
+
+	$mbox = imap_open($mailbox,$username,$password);
+
+	return $mbox;
+	
+}
+
+
+function f9_imap_poll_from($mbox,$str) {
+
+	if(! ($mbox && $str))
+		return false;
+
+	$search = imap_search($mbox,'FROM "' . $str . '"', SE_UID);
+
+	return $search;
+}
+	
+
+function getmsg($mbox,$mid) {
+    // input $mbox = IMAP stream, $mid = message id
+    // output all the following:
+    global $charset,$htmlmsg,$plainmsg,$attachments;
+    $htmlmsg = $plainmsg = $charset = '';
+    $attachments = array();
+
+    // HEADER
+    $h = imap_header($mbox,$mid);
+    // add code here to get date, from, to, cc, subject...
+
+    // BODY
+    $s = imap_fetchstructure($mbox,$mid);
+    if (!$s->parts)  // simple
+        getpart($mbox,$mid,$s,0);  // pass 0 as part-number
+    else {  // multipart: cycle through each part
+        foreach ($s->parts as $partno0=>$p)
+            getpart($mbox,$mid,$p,$partno0+1);
+    }
+}
+
+function getpart($mbox,$mid,$p,$partno) {
+    // $partno = '1', '2', '2.1', '2.1.3', etc for multipart, 0 if simple
+    global $htmlmsg,$plainmsg,$charset,$attachments;
+
+    // DECODE DATA
+    $data = ($partno)?
+        imap_fetchbody($mbox,$mid,$partno):  // multipart
+        imap_body($mbox,$mid);  // simple
+    // Any part may be encoded, even plain text messages, so check everything.
+    if ($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')
+            $plainmsg. = trim($data) ."\n\n";
+        else
+            $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)
+            getpart($mbox,$mid,$p2,$partno.'.'.($partno0+1));  // 1.2, 1.2.1, etc.
+    }
+}
\ No newline at end of file
-- 
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