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Diffstat (limited to 'program/steps/mail')
-rw-r--r--program/steps/mail/func.inc55
-rw-r--r--program/steps/mail/get.inc40
-rw-r--r--program/steps/mail/show.inc8
3 files changed, 86 insertions, 17 deletions
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 829f159f4..33041d43d 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -1097,12 +1097,6 @@ function rcmail_message_body($attrib)
}
}
- // Skip TIFF images if browser doesn't support this format
- // @TODO: we could convert TIFF to JPEG and display it
- $tiff_support = !empty($_SESSION['browser_caps']) && !empty($_SESSION['browser_caps']['tif']);
- $mime_regex = $tiff_support ? '/^image\//i' : '/^image\/(?!tif)/i';
- $ext_regex = '/\.(jpg|jpeg|png|gif|bmp' . ($tiff_support ? '|tif|tiff' : '') .')$/i';
-
// list images after mail body
if ($CONFIG['inline_images'] && !empty($MESSAGE->attachments)) {
foreach ($MESSAGE->attachments as $attach_prop) {
@@ -1112,12 +1106,7 @@ function rcmail_message_body($attrib)
}
// Content-Type: image/*...
- if (preg_match($mime_regex, $attach_prop->mimetype) ||
- // ...or known file extension: many clients are using application/octet-stream
- ($attach_prop->filename &&
- preg_match('/^application\/octet-stream$/i', $attach_prop->mimetype) &&
- preg_match($ext_regex, $attach_prop->filename))
- ) {
+ if (rcmail_part_image_type($attach_prop)) {
$out .= html::tag('hr') . html::p(array('align' => "center"),
html::img(array(
'src' => $MESSAGE->get_part_url($attach_prop->mime_id, true),
@@ -1135,6 +1124,48 @@ function rcmail_message_body($attrib)
return html::div($attrib, $out);
}
+function rcmail_part_image_type($part)
+{
+ $rcmail = rcmail::get_instance();
+
+ // Skip TIFF images if browser doesn't support this format...
+ $tiff_support = !empty($_SESSION['browser_caps']) && !empty($_SESSION['browser_caps']['tif']);
+ // until we can convert them to JPEG
+ $tiff_support = $tiff_support || $rcmail->config->get('im_convert_path');
+
+ // Content-type regexp
+ $mime_regex = $tiff_support ? '/^image\//i' : '/^image\/(?!tif)/i';
+
+ // Content-Type: image/*...
+ if (preg_match($mime_regex, $part->mimetype)) {
+ return $part->mimetype;
+ }
+
+ // Many clients use application/octet-stream, we'll detect mimetype
+ // by checking filename extension
+
+ // Supported image filename extensions to image type map
+ $types = array(
+ 'jpg' => 'image/jpeg',
+ 'jpeg' => 'image/jpeg',
+ 'png' => 'image/png',
+ 'gif' => 'image/gif',
+ 'bmp' => 'image/bmp',
+ );
+ if ($tiff_support) {
+ $types['tif'] = 'image/tiff';
+ $types['tiff'] = 'image/tiff';
+ }
+
+ if ($part->filename
+ && preg_match('/^application\/octet-stream$/i', $part->mimetype)
+ && preg_match('/\.([^.])$/i', $part->filename, $m)
+ && ($extension = strtolower($m[1]))
+ && isset($types[$extension])
+ ) {
+ return $types[$extension];
+ }
+}
/**
* Convert all relative URLs according to a <base> in HTML
diff --git a/program/steps/mail/get.inc b/program/steps/mail/get.inc
index 750011f74..658538a20 100644
--- a/program/steps/mail/get.inc
+++ b/program/steps/mail/get.inc
@@ -22,7 +22,7 @@
// show loading page
if (!empty($_GET['_preload'])) {
- $url = preg_replace('/[&?]+_preload=1/', '', $_SERVER['REQUEST_URI']);
+ $url = preg_replace('/([&?]+)_preload=/', '\\1_embed=', $_SERVER['REQUEST_URI']);
$message = rcube_label('loadingdata');
header('Content-Type: text/html; charset=' . RCMAIL_CHARSET);
@@ -76,6 +76,17 @@ else if (strlen($pid = get_input_value('_part', RCUBE_INPUT_GET))) {
// overwrite modified vars from plugin
$mimetype = $plugin['mimetype'];
+
+ // TIFF to JPEG conversion, if needed
+ $tiff_support = !empty($_SESSION['browser_caps']) && !empty($_SESSION['browser_caps']['tif']);
+ if (!empty($_REQUEST['_embed']) && !$tiff_support
+ && $RCMAIL->config->get('im_convert_path')
+ && rcmail_part_image_type($part) == 'image/tiff'
+ ) {
+ $tiff2jpeg = true;
+ $mimetype = 'image/jpeg';
+ }
+
list($ctype_primary, $ctype_secondary) = explode('/', $mimetype);
if ($plugin['body'])
$part->body = $plugin['body'];
@@ -150,8 +161,33 @@ else if (strlen($pid = get_input_value('_part', RCUBE_INPUT_GET))) {
header("Content-Disposition: $disposition; filename=\"$filename\"");
+ // handle tiff to jpeg conversion
+ if (!empty($tiff2jpeg)) {
+ $temp_dir = unslashify($RCMAIL->config->get('temp_dir'));
+ $file_path = tempnam($temp_dir, 'rcmAttmnt');
+
+ // write content to temp file
+ if ($part->body) {
+ $saved = file_put_contents($file_path, $part->body);
+ }
+ else if ($part->size) {
+ $fd = fopen($file_path, 'w');
+ $saved = $RCMAIL->storage->get_message_part($MESSAGE->uid, $part->mime_id, $part, false, $fd);
+ fclose($fd);
+ }
+
+ // convert image to jpeg and send it to the browser
+ if ($saved) {
+ $image = new rcube_image($file_path);
+ if ($image->convert(rcube_image::TYPE_JPG, $file_path)) {
+ header("Content-Length: " . filesize($file_path));
+ readfile($file_path);
+ }
+ unlink($file_path);
+ }
+ }
// do content filtering to avoid XSS through fake images
- if (!empty($_REQUEST['_embed']) && $browser->ie && $browser->ver <= 8) {
+ else if (!empty($_REQUEST['_embed']) && $browser->ie && $browser->ver <= 8) {
if ($part->body) {
echo preg_match('/<(script|iframe|object)/i', $part->body) ? '' : $part->body;
$sent = true;
diff --git a/program/steps/mail/show.inc b/program/steps/mail/show.inc
index 7fcfafcaa..158ba31c8 100644
--- a/program/steps/mail/show.inc
+++ b/program/steps/mail/show.inc
@@ -61,7 +61,7 @@ if ($uid = get_input_value('_uid', RCUBE_INPUT_GET)) {
$OUTPUT->set_env('mailbox', $mbox_name);
// mimetypes supported by the browser (default settings)
- $mimetypes = $RCMAIL->config->get('client_mimetypes', 'text/plain,text/html,text/xml,image/jpeg,image/gif,image/png,image/tiff,application/x-javascript,application/pdf,application/x-shockwave-flash');
+ $mimetypes = $RCMAIL->config->get('client_mimetypes', 'text/plain,text/html,text/xml,image/jpeg,image/gif,image/png,image/bmp,image/tiff,application/x-javascript,application/pdf,application/x-shockwave-flash');
$mimetypes = is_string($mimetypes) ? explode(',', $mimetypes) : (array)$mimetypes;
// Remove unsupported types, which makes that attachment which cannot be
@@ -72,9 +72,11 @@ if ($uid = get_input_value('_uid', RCUBE_INPUT_GET)) {
if (empty($_SESSION['browser_caps']['flash']) && ($key = array_search('application/x-shockwave-flash', $mimetypes)) !== false) {
unset($mimetypes[$key]);
}
- // @TODO: we could convert TIFF to JPEG and display it
if (empty($_SESSION['browser_caps']['tif']) && ($key = array_search('image/tiff', $mimetypes)) !== false) {
- unset($mimetypes[$key]);
+ // we can convert tiff to jpeg
+ if (!$RCMAIL->config->get('im_convert_path')) {
+ unset($mimetypes[$key]);
+ }
}
$OUTPUT->set_env('mimetypes', $mimetypes);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 08:40:52 +0000