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authorAleksander Machniak <alec@alec.pl>2012-05-30 12:17:26 +0200
committerAleksander Machniak <alec@alec.pl>2012-05-30 12:17:26 +0200
commitd487cd5a6c3e6a7eaa125957a022495ba038b460 (patch)
tree14e4f4ffccd4ccf2e41a4a9ce42fd20812a3222f /program
parentca1c2a8c9c69ddf92cfd07a9e5ff4ec1deb22b6b (diff)
parent19cc5b91c963736fd06dd701d4a583ccdf4b5bfa (diff)
Merge branch 'dev-browser-capabilities'
Conflicts: CHANGELOG
Diffstat (limited to 'program')
-rw-r--r--program/blank.tifbin0 -> 270 bytes
-rw-r--r--program/include/rcube_image.php87
-rw-r--r--program/js/app.js104
-rw-r--r--program/steps/mail/func.inc56
-rw-r--r--program/steps/mail/get.inc40
-rw-r--r--program/steps/mail/show.inc31
6 files changed, 300 insertions, 18 deletions
diff --git a/program/blank.tif b/program/blank.tif
new file mode 100644
index 000000000..2b3f4ec5d
--- /dev/null
+++ b/program/blank.tif
Binary files differ
diff --git a/program/include/rcube_image.php b/program/include/rcube_image.php
index 21cb5f136..80e8bd4f3 100644
--- a/program/include/rcube_image.php
+++ b/program/include/rcube_image.php
@@ -13,7 +13,7 @@
| See the README file for a full license statement. |
| |
| PURPOSE: |
- | Image resizer |
+ | Image resizer and converter |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
@@ -25,6 +25,19 @@ class rcube_image
{
private $image_file;
+ const TYPE_GIF = 1;
+ const TYPE_JPG = 2;
+ const TYPE_PNG = 3;
+ const TYPE_TIF = 4;
+
+ public static $extensions = array(
+ self::TYPE_GIF => 'gif',
+ self::TYPE_JPG => 'jpg',
+ self::TYPE_PNG => 'png',
+ self::TYPE_TIF => 'tif',
+ );
+
+
function __construct($filename)
{
$this->image_file = $filename;
@@ -66,7 +79,7 @@ class rcube_image
* @param int $size Max width/height size
* @param string $filename Output filename
*
- * @return Success of convert as true/false
+ * @return bool True on success, False on failure
*/
public function resize($size, $filename = null)
{
@@ -95,10 +108,10 @@ class rcube_image
$p['-opts'] = array('-resize' => $size.'>');
if (in_array($type, explode(',', $p['types']))) { // Valid type?
- $result = rcube::exec($convert . ' 2>&1 -flatten -auto-orient -colorspace RGB -quality {quality} {-opts} {in} {type}:{out}', $p) === '';
+ $result = rcube::exec($convert . ' 2>&1 -flatten -auto-orient -colorspace RGB -quality {quality} {-opts} {in} {type}:{out}', $p);
}
- if ($result) {
+ if ($result === '') {
return true;
}
}
@@ -148,6 +161,71 @@ class rcube_image
}
}
+ // @TODO: print error to the log?
+ return false;
+ }
+
+ /**
+ * Convert image to a given type
+ *
+ * @param int $type Destination file type (see class constants)
+ * @param string $filename Output filename (if empty, original file will be used
+ * and filename extension will be modified)
+ *
+ * @return bool True on success, False on failure
+ */
+ public function convert($type, $filename = null)
+ {
+ $rcube = rcube::get_instance();
+ $convert = $rcube->config->get('im_convert_path', false);
+
+ if (!$filename) {
+ $filename = $this->image_file;
+
+ // modify extension
+ if ($extension = self::$extensions[$type]) {
+ $filename = preg_replace('/\.[^.]+$/', '', $filename) . '.' . $extension;
+ }
+ }
+
+ // use ImageMagick
+ if ($convert) {
+ $p['in'] = $this->image_file;
+ $p['out'] = $filename;
+ $p['type'] = self::$extensions[$type];
+
+ $result = rcube::exec($convert . ' 2>&1 -colorspace RGB -quality 75 {in} {type}:{out}', $p);
+
+ if ($result === '') {
+ return true;
+ }
+ }
+
+ // use GD extension (TIFF isn't supported)
+ $props = $this->props();
+ $gd_types = array(IMAGETYPE_JPEG, IMAGETYPE_GIF, IMAGETYPE_PNG);
+
+ if ($props['gd_type'] && in_array($props['gd_type'], $gd_types)) {
+ if ($props['gd_type'] == IMAGETYPE_JPEG) {
+ $image = imagecreatefromjpeg($this->image_file);
+ }
+ else if ($props['gd_type'] == IMAGETYPE_GIF) {
+ $image = imagecreatefromgif($this->image_file);
+ }
+ else if ($props['gd_type'] == IMAGETYPE_PNG) {
+ $image = imagecreatefrompng($this->image_file);
+ }
+
+ if ($type == self::TYPE_JPG) {
+ $result = imagejpeg($image, $filename, 75);
+ }
+ else if ($type == self::TYPE_GIF) {
+ $result = imagegif($image, $filename);
+ }
+ else if ($type == self::TYPE_PNG) {
+ $result = imagepng($image, $filename, 6, PNG_ALL_FILTERS);
+ }
+ }
// @TODO: print error to the log?
return false;
@@ -169,4 +247,5 @@ class rcube_image
}
}
}
+
}
diff --git a/program/js/app.js b/program/js/app.js
index c4bf5ec31..e487a6052 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -307,6 +307,10 @@ function rcube_webmail()
this.http_post(postact, postdata);
}
+ // detect browser capabilities
+ if (!this.is_framed())
+ this.browser_capabilities_check();
+
break;
case 'addressbook':
@@ -1943,13 +1947,16 @@ function rcube_webmail()
if (this.env.search_request)
url += '&_search='+this.env.search_request;
- if (action == 'preview' && String(target.location.href).indexOf(url) >= 0)
+ // add browser capabilities, so we can properly handle attachments
+ url += '&_caps='+urlencode(this.browser_capabilities());
+
+ if (preview && String(target.location.href).indexOf(url) >= 0)
this.show_contentframe(true);
else {
this.location_href(this.env.comm_path+url, target, true);
// mark as read and change mbox unread counter
- if (action == 'preview' && this.message_list && this.message_list.rows[id] && this.message_list.rows[id].unread && this.env.preview_pane_mark_read >= 0) {
+ if (preview && this.message_list && this.message_list.rows[id] && this.message_list.rows[id].unread && this.env.preview_pane_mark_read >= 0) {
this.preview_read_timer = setTimeout(function() {
ref.set_message(id, 'unread', false);
ref.update_thread_root(id, 'read');
@@ -6368,6 +6375,99 @@ function rcube_webmail()
$(elem).click(function() { rcmail.register_protocol_handler(name); return false; });
};
+ // Checks browser capabilities eg. PDF support, TIF support
+ this.browser_capabilities_check = function()
+ {
+ if (!this.env.browser_capabilities)
+ this.env.browser_capabilities = {};
+
+ if (this.env.browser_capabilities.pdf === undefined)
+ this.env.browser_capabilities.pdf = this.pdf_support_check();
+
+ if (this.env.browser_capabilities.flash === undefined)
+ this.env.browser_capabilities.flash = this.flash_support_check();
+
+ if (this.env.browser_capabilities.tif === undefined)
+ this.tif_support_check();
+ };
+
+ // Returns browser capabilities string
+ this.browser_capabilities = function()
+ {
+ if (!this.env.browser_capabilities)
+ return '';
+
+ var n, ret = [];
+
+ for (n in this.env.browser_capabilities)
+ ret.push(n + '=' + this.env.browser_capabilities[n]);
+
+ return ret.join();
+ };
+
+ this.tif_support_check = function()
+ {
+ var img = new Image();
+
+ img.onload = function() { rcmail.env.browser_capabilities.tif = 1; };
+ img.onerror = function() { rcmail.env.browser_capabilities.tif = 0; };
+ img.src = 'program/blank.tif';
+ };
+
+ this.pdf_support_check = function()
+ {
+ var plugin = navigator.mimeTypes ? navigator.mimeTypes["application/pdf"] : {},
+ plugins = navigator.plugins,
+ len = plugins.length,
+ regex = /Adobe Reader|PDF|Acrobat/i;
+
+ if (plugin && plugin.enabledPlugin)
+ return 1;
+
+ if (window.ActiveXObject) {
+ try {
+ if (axObj = new ActiveXObject("AcroPDF.PDF"))
+ return 1;
+ }
+ catch (e) {}
+ try {
+ if (axObj = new ActiveXObject("PDF.PdfCtrl"))
+ return 1;
+ }
+ catch (e) {}
+ }
+
+ for (i=0; i<len; i++) {
+ plugin = plugins[i];
+ if (typeof plugin === 'String') {
+ if (regex.test(plugin))
+ return 1;
+ }
+ else if (plugin.name && regex.test(plugin.name))
+ return 1;
+ }
+
+ return 0;
+ };
+
+ this.flash_support_check = function()
+ {
+ var plugin = navigator.mimeTypes ? navigator.mimeTypes["application/x-shockwave-flash"] : {};
+
+ if (plugin && plugin.enabledPlugin)
+ return 1;
+
+ if (window.ActiveXObject) {
+ try {
+ if (axObj = new ActiveXObject("ShockwaveFlash.ShockwaveFlash"))
+ return 1;
+ }
+ catch (e) {}
+ }
+
+ return 0;
+ };
+
} // end object rcube_webmail
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 05d589503..33041d43d 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -81,8 +81,8 @@ if (empty($RCMAIL->action) || $RCMAIL->action == 'list') {
$OUTPUT->set_env('search_request', $search_request);
}
- $search_mods = $RCMAIL->config->get('search_mods', $SEARCH_MODS_DEFAULT);
- $OUTPUT->set_env('search_mods', $search_mods);
+ $search_mods = $RCMAIL->config->get('search_mods', $SEARCH_MODS_DEFAULT);
+ $OUTPUT->set_env('search_mods', $search_mods);
}
$threading = (bool) $RCMAIL->storage->get_threading();
@@ -115,6 +115,9 @@ if (empty($RCMAIL->action) || $RCMAIL->action == 'list') {
if ($CONFIG['junk_mbox'])
$OUTPUT->set_env('junk_mailbox', $CONFIG['junk_mbox']);
+ if (!empty($_SESSION['browser_caps']))
+ $OUTPUT->set_env('browser_capabilities', $_SESSION['browser_caps']);
+
if (!$OUTPUT->ajax_call)
$OUTPUT->add_label('checkingmail', 'deletemessage', 'movemessagetotrash',
'movingmessage', 'copyingmessage', 'deletingmessage', 'markingmessage',
@@ -1103,12 +1106,7 @@ function rcmail_message_body($attrib)
}
// Content-Type: image/*...
- if (preg_match('/^image\//i', $attach_prop->mimetype) ||
- // ...or known file extension: many clients are using application/octet-stream
- ($attach_prop->filename &&
- preg_match('/^application\/octet-stream$/i', $attach_prop->mimetype) &&
- preg_match('/\.(jpg|jpeg|png|gif|bmp)$/i', $attach_prop->filename))
- ) {
+ if (rcmail_part_image_type($attach_prop)) {
$out .= html::tag('hr') . html::p(array('align' => "center"),
html::img(array(
'src' => $MESSAGE->get_part_url($attach_prop->mime_id, true),
@@ -1126,6 +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 2d4d8e5a5..158ba31c8 100644
--- a/program/steps/mail/show.inc
+++ b/program/steps/mail/show.inc
@@ -21,6 +21,16 @@
$PRINT_MODE = $RCMAIL->action=='print' ? TRUE : FALSE;
+// Read browser capabilities and store them in session
+if ($caps = get_input_value('_caps', RCUBE_INPUT_GET)) {
+ $browser_caps = array();
+ foreach (explode(',', $caps) as $cap) {
+ $cap = explode('=', $cap);
+ $browser_caps[$cap[0]] = $cap[1];
+ }
+ $_SESSION['browser_caps'] = $browser_caps;
+}
+
// similar code as in program/steps/mail/get.inc
if ($uid = get_input_value('_uid', RCUBE_INPUT_GET)) {
$MESSAGE = new rcube_message($uid);
@@ -51,8 +61,25 @@ 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,application/x-javascript,application/pdf,application/x-shockwave-flash');
- $OUTPUT->set_env('mimetypes', is_string($mimetypes) ? explode(',', $mimetypes) : (array)$mimetypes);
+ $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
+ // displayed in a browser will be downloaded directly without displaying an overlay page
+ if (empty($_SESSION['browser_caps']['pdf']) && ($key = array_search('application/pdf', $mimetypes)) !== false) {
+ unset($mimetypes[$key]);
+ }
+ if (empty($_SESSION['browser_caps']['flash']) && ($key = array_search('application/x-shockwave-flash', $mimetypes)) !== false) {
+ unset($mimetypes[$key]);
+ }
+ if (empty($_SESSION['browser_caps']['tif']) && ($key = array_search('image/tiff', $mimetypes)) !== false) {
+ // we can convert tiff to jpeg
+ if (!$RCMAIL->config->get('im_convert_path')) {
+ unset($mimetypes[$key]);
+ }
+ }
+
+ $OUTPUT->set_env('mimetypes', $mimetypes);
if ($CONFIG['drafts_mbox'])
$OUTPUT->set_env('drafts_mailbox', $CONFIG['drafts_mbox']);