Display Tiff as Jpeg in browsers without Tiff support (#1488452)
| | |
| | | CHANGELOG Roundcube Webmail |
| | | =========================== |
| | | |
| | | - Display Tiff as Jpeg in browsers without Tiff support (#1488452) |
| | | - Don't display Pdf/Tiff/Flash attachments inline without browser support (#1488452, #1487929) |
| | | - Fix html2text conversion of strong|b|a|th|h tags when used in upper case |
| | | - Add listcontrols template container in Larry skin (#1488498) |
| | |
| | | | See the README file for a full license statement. | |
| | | | | |
| | | | PURPOSE: | |
| | | | Image resizer | |
| | | | Image resizer and converter | |
| | | | | |
| | | +-----------------------------------------------------------------------+ |
| | | | Author: Thomas Bruederli <roundcube@gmail.com> | |
| | |
| | | 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) |
| | | { |
| | |
| | | * @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) |
| | | { |
| | |
| | | $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; |
| | | } |
| | | } |
| | |
| | | } |
| | | } |
| | | |
| | | // @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; |
| | |
| | | } |
| | | } |
| | | } |
| | | |
| | | } |
| | |
| | | } |
| | | } |
| | | |
| | | // 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 $attach_prop) { |
| | |
| | | } |
| | | |
| | | // Content-Type: image/*... |
| | | if (preg_match($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), |
| | |
| | | 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 |
| | |
| | | |
| | | // 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); |
| | |
| | | |
| | | // 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']; |
| | |
| | | |
| | | 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; |
| | |
| | | $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 |
| | |
| | | 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', $mimetypes)) !== false) { |
| | | // we can convert tiff to jpeg |
| | | if (!$RCMAIL->config->get('im_convert_path')) { |
| | | unset($mimetypes[$key]); |
| | | } |
| | | } |
| | | |
| | | $OUTPUT->set_env('mimetypes', $mimetypes); |
| | | |