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-rw-r--r--system/libraries/Email.php135
1 files changed, 101 insertions, 34 deletions
diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index ed6f737a1..ef9b58b61 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -150,13 +150,6 @@ class CI_Email {
public $charset = 'utf-8';
/**
- * Multipart message
- *
- * @var string 'mixed' (in the body) or 'related' (separate)
- */
- public $multipart = 'mixed'; // "mixed" (in the body) or "related" (separate)
-
- /**
* Alternative message (for HTML messages only)
*
* @var string
@@ -275,6 +268,13 @@ class CI_Email {
protected $_atc_boundary = '';
/**
+ * Related Attachment boundary
+ *
+ * @var string
+ */
+ protected $_rel_boundary = '';
+
+ /**
* Final headers to send
*
* @var string
@@ -766,7 +766,8 @@ class CI_Email {
'name' => array($file, $newname),
'disposition' => empty($disposition) ? 'attachment' : $disposition, // Can also be 'inline' Not sure if it matters
'type' => $mime,
- 'content' => chunk_split(base64_encode($file_content))
+ 'content' => chunk_split(base64_encode($file_content)),
+ 'multipart' => 'mixed'
);
return $this;
@@ -784,15 +785,11 @@ class CI_Email {
*/
public function attachment_cid($filename)
{
- if ($this->multipart !== 'related')
- {
- $this->multipart = 'related'; // Thunderbird need this for inline images
- }
-
for ($i = 0, $c = count($this->_attachments); $i < $c; $i++)
{
if ($this->_attachments[$i]['name'][0] === $filename)
{
+ $this->_attachments[$i]['multipart'] = 'related';
$this->_attachments[$i]['cid'] = uniqid(basename($this->_attachments[$i]['name'][0]).'@');
return $this->_attachments[$i]['cid'];
}
@@ -945,6 +942,7 @@ class CI_Email {
{
$this->_alt_boundary = 'B_ALT_'.uniqid(''); // multipart/alternative
$this->_atc_boundary = 'B_ATC_'.uniqid(''); // attachment boundary
+ $this->_rel_boundary = 'B_REL_'.uniqid(''); // related attachment boundary
}
// --------------------------------------------------------------------
@@ -1391,7 +1389,7 @@ class CI_Email {
case 'plain-attach' :
- $hdr .= 'Content-Type: multipart/'.$this->multipart.'; boundary="'.$this->_atc_boundary.'"';
+ $hdr .= 'Content-Type: multipart/mixed; boundary="'.$this->_atc_boundary.'"';
if ($this->_get_protocol() === 'mail')
{
@@ -1406,18 +1404,45 @@ class CI_Email {
.$this->newline
.$this->_body.$this->newline.$this->newline;
+ $attachment_prepared = $this->_prep_attachments($this->_attachments, $this->_atc_boundary);
+
break;
case 'html-attach' :
- $hdr .= 'Content-Type: multipart/'.$this->multipart.'; boundary="'.$this->_atc_boundary.'"';
+ $attachments_indexed_by_multipart = $this->_attachments_indexed_by_multipart();
+ $attachments_related = $attachments_indexed_by_multipart['related'];
+ $attachments_mixed = $attachments_indexed_by_multipart['mixed'];
+ $prepared_attachment_parts = array();
+
+ if (isset($attachments_mixed) && count($attachments_mixed) > 0)
+ {
+ $hdr .= 'Content-Type: multipart/mixed; boundary="'.$this->_atc_boundary.'"';
+
+ array_push($prepared_attachment_parts, $this->_prep_attachments($attachments_mixed, $this->_atc_boundary));
+ $last_boundary = $this->_atc_boundary;
+ }
+
+ if (isset($attachments_related) && count($attachments_related) > 0)
+ {
+ $target_container =& $hdr;
+ if (isset($last_boundary)) {
+ $target_container =& $body;
+ $target_container .= '--' . $last_boundary . $this->newline;
+ }
+ $target_container .= 'Content-Type: multipart/related; boundary="'.$this->_rel_boundary.'"';
+
+ array_unshift($prepared_attachment_parts, $this->_prep_attachments($attachments_related, $this->_rel_boundary));
+ $last_boundary = $this->_rel_boundary;
+ }
if ($this->_get_protocol() === 'mail')
{
$this->_header_str .= $hdr;
}
+ if (strlen(body) > 0) $body .= $this->newline.$this->newline;
$body .= $this->_get_mime_message().$this->newline.$this->newline
- .'--'.$this->_atc_boundary.$this->newline
+ .'--'.$last_boundary.$this->newline
.'Content-Type: multipart/alternative; boundary="'.$this->_alt_boundary.'"'.$this->newline.$this->newline
.'--'.$this->_alt_boundary.$this->newline
@@ -1432,27 +1457,12 @@ class CI_Email {
.$this->_prep_quoted_printable($this->_body).$this->newline.$this->newline
.'--'.$this->_alt_boundary.'--'.$this->newline.$this->newline;
- break;
- }
-
- $attachment = array();
- for ($i = 0, $c = count($this->_attachments), $z = 0; $i < $c; $i++)
- {
- $filename = $this->_attachments[$i]['name'][0];
- $basename = ($this->_attachments[$i]['name'][1] === NULL)
- ? basename($filename) : $this->_attachments[$i]['name'][1];
-
- $attachment[$z++] = '--'.$this->_atc_boundary.$this->newline
- .'Content-type: '.$this->_attachments[$i]['type'].'; '
- .'name="'.$basename.'"'.$this->newline
- .'Content-Disposition: '.$this->_attachments[$i]['disposition'].';'.$this->newline
- .'Content-Transfer-Encoding: base64'.$this->newline
- .(empty($this->_attachments[$i]['cid']) ? '' : 'Content-ID: <'.$this->_attachments[$i]['cid'].'>'.$this->newline);
+ $attachment_prepared = implode($this->newline.$this->newline, $prepared_attachment_parts);
- $attachment[$z++] = $this->_attachments[$i]['content'];
+ break;
}
- $body .= implode($this->newline, $attachment).$this->newline.'--'.$this->_atc_boundary.'--';
+ $body .= $attachment_prepared;
$this->_finalbody = ($this->_get_protocol() === 'mail')
? $body
: $hdr.$this->newline.$this->newline.$body;
@@ -1463,6 +1473,63 @@ class CI_Email {
// --------------------------------------------------------------------
/**
+ * Returns attachments mapped by multipart type
+ *
+ * @return array
+ */
+ protected function _attachments_indexed_by_multipart()
+ {
+ foreach ($this->_attachments as $attachment)
+ {
+ $multipart = $attachment['multipart'];
+ if (!isset($attachments_indexed[$multipart]))
+ {
+ $attachments_indexed[$multipart] = array();
+ }
+ array_push($attachments_indexed[$multipart], $attachment);
+ }
+
+ return $attachments_indexed;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Prepares attachment string
+ *
+ * @param array $attachments
+ * @param string $boundary Multipart boundary string
+ * @return string
+ */
+ protected function _prep_attachments($attachments, $boundary)
+ {
+ if (!isset($attachments) || count($attachments) === 0) return '';
+
+ $attachment_parts = array();
+ foreach ($attachments as $attachment)
+ {
+ $filename = $attachment['name'][0];
+ $basename = ($attachment['name'][1] === NULL)
+ ? basename($filename) : $attachment['name'][1];
+
+ array_push(
+ $attachment_parts,
+ '--'.$boundary.$this->newline
+ .'Content-type: '.$attachment['type'].'; '
+ .'name="'.$basename.'"'.$this->newline
+ .'Content-Disposition: '.$attachment['disposition'].';'.$this->newline
+ .'Content-Transfer-Encoding: base64'.$this->newline
+ .(empty($attachment['cid']) ? '' : 'Content-ID: <'.$attachment['cid'].'>'.$this->newline),
+ $attachment['content']
+ );
+ }
+
+ return implode($this->newline, $attachment_parts).$this->newline.'--'.$boundary.'--';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Prep Quoted Printable
*
* Prepares string for Quoted-Printable Content-Transfer-Encoding
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-15 16:15:01 +0100