From 81dab388d0aa982f6eecc23dcbfb9afdb17ef2e1 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Thu, 23 Oct 2014 07:42:21 -0400
Subject: [PATCH] Fix handling of UNKNOWN-CTE response, try do decode content client-side (#1490046)
---
program/lib/Roundcube/rcube_image.php | 140 ++++++++++++++++++++++++++++++++++++++--------
1 files changed, 114 insertions(+), 26 deletions(-)
diff --git a/program/lib/Roundcube/rcube_image.php b/program/lib/Roundcube/rcube_image.php
index 4e4caae..d0d0c74 100644
--- a/program/lib/Roundcube/rcube_image.php
+++ b/program/lib/Roundcube/rcube_image.php
@@ -102,10 +102,10 @@
}
// use Imagemagick
- if ($convert) {
- $p['out'] = $filename;
- $p['in'] = $this->image_file;
- $type = $props['type'];
+ if ($convert || class_exists('Imagick', false)) {
+ $p['out'] = $filename;
+ $p['in'] = $this->image_file;
+ $type = $props['type'];
if (!$type && ($data = $this->identify())) {
$type = $data[0];
@@ -129,26 +129,49 @@
$result = ($this->image_file == $filename || copy($this->image_file, $filename)) ? '' : false;
}
else {
- if ($scale >= 1) {
- $width = $props['width'];
- $height = $props['height'];
- }
- else {
- $width = intval($props['width'] * $scale);
- $height = intval($props['height'] * $scale);
- }
-
$valid_types = "bmp,eps,gif,jp2,jpg,png,svg,tif";
- $p += array(
- 'type' => $type,
- 'quality' => 75,
- 'size' => $width . 'x' . $height,
- );
-
if (in_array($type, explode(',', $valid_types))) { // Valid type?
- $result = rcube::exec($convert . ' 2>&1 -flatten -auto-orient -colorspace sRGB -strip'
- . ' -quality {quality} -resize {size} {intype}:{in} {type}:{out}', $p);
+ if ($scale >= 1) {
+ $width = $props['width'];
+ $height = $props['height'];
+ }
+ else {
+ $width = intval($props['width'] * $scale);
+ $height = intval($props['height'] * $scale);
+ }
+
+ // use ImageMagick in command line
+ if ($convert) {
+ $p += array(
+ 'type' => $type,
+ 'quality' => 75,
+ 'size' => $width . 'x' . $height,
+ );
+
+ $result = rcube::exec($convert . ' 2>&1 -flatten -auto-orient -colorspace sRGB -strip'
+ . ' -quality {quality} -resize {size} {intype}:{in} {type}:{out}', $p);
+ }
+ // use PHP's Imagick class
+ else {
+ try {
+ $image = new Imagick($this->image_file);
+ $image = $image->flattenImages();
+
+ $image->setImageColorspace(Imagick::COLORSPACE_SRGB);
+ $image->setImageCompressionQuality(75);
+ $image->setImageFormat($type);
+ $image->stripImage();
+ $image->scaleImage($width, $height);
+
+ if ($image->writeImage($filename)) {
+ $result = '';
+ }
+ }
+ catch (Exception $e) {
+ rcube::raise_error($e, true, false);
+ }
+ }
}
}
@@ -166,7 +189,7 @@
}
else if($props['gd_type'] == IMAGETYPE_GIF && function_exists('imagecreatefromgif')) {
$image = imagecreatefromgif($this->image_file);
- $type = 'gid';
+ $type = 'gif';
}
else if($props['gd_type'] == IMAGETYPE_PNG && function_exists('imagecreatefrompng')) {
$image = imagecreatefrompng($this->image_file);
@@ -204,6 +227,24 @@
imagecopyresampled($new_image, $image, 0, 0, 0, 0, $width, $height, $props['width'], $props['height']);
$image = $new_image;
+
+ // fix rotation of image if EXIF data exists and specifies rotation (GD strips the EXIF data)
+ if ($this->image_file && function_exists('exif_read_data')) {
+ $exif = exif_read_data($this->image_file);
+ if ($exif && $exif['Orientation']) {
+ switch ($exif['Orientation']) {
+ case 3:
+ $image = imagerotate($image, 180, 0);
+ break;
+ case 6:
+ $image = imagerotate($image, -90, 0);
+ break;
+ case 8:
+ $image = imagerotate($image, 90, 0);
+ break;
+ }
+ }
+ }
if ($props['gd_type'] == IMAGETYPE_JPEG) {
$result = imagejpeg($image, $filename, 75);
@@ -249,7 +290,7 @@
}
}
- // use ImageMagick
+ // use ImageMagick in command line
if ($convert) {
$p['in'] = $this->image_file;
$p['out'] = $filename;
@@ -258,8 +299,28 @@
$result = rcube::exec($convert . ' 2>&1 -colorspace sRGB -strip -quality 75 {in} {type}:{out}', $p);
if ($result === '') {
- @chmod($filename, 0600);
+ chmod($filename, 0600);
return true;
+ }
+ }
+
+ // use PHP's Imagick class
+ if (class_exists('Imagick', false)) {
+ try {
+ $image = new Imagick($this->image_file);
+
+ $image->setImageColorspace(Imagick::COLORSPACE_SRGB);
+ $image->setImageCompressionQuality(75);
+ $image->setImageFormat(self::$extensions[$type]);
+ $image->stripImage();
+
+ if ($image->writeImage($filename)) {
+ @chmod($filename, 0600);
+ return true;
+ }
+ }
+ catch (Exception $e) {
+ rcube::raise_error($e, true, false);
}
}
@@ -302,12 +363,26 @@
}
/**
- * Identify command handler.
+ * Checks if image format conversion is supported
+ *
+ * @return boolean True if specified format can be converted to another format
+ */
+ public static function is_convertable($mimetype = null)
+ {
+ $rcube = rcube::get_instance();
+
+ // @TODO: check if specified mimetype is really supported
+ return class_exists('Imagick', false) || $rcube->config->get('im_convert_path');
+ }
+
+ /**
+ * ImageMagick based image properties read.
*/
private function identify()
{
$rcube = rcube::get_instance();
+ // use ImageMagick in command line
if ($cmd = $rcube->config->get('im_identify_path')) {
$args = array('in' => $this->image_file, 'format' => "%m %[fx:w] %[fx:h]");
$id = rcube::exec($cmd. ' 2>/dev/null -format {format} {in}', $args);
@@ -316,6 +391,19 @@
return explode(' ', strtolower($id));
}
}
- }
+ // use PHP's Imagick class
+ if (class_exists('Imagick', false)) {
+ try {
+ $image = new Imagick($this->image_file);
+
+ return array(
+ strtolower($image->getImageFormat()),
+ $image->getImageWidth(),
+ $image->getImageHeight(),
+ );
+ }
+ catch (Exception $e) {}
+ }
+ }
}
--
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