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<?php
/**
* Elgg multi-image uploader action
*
* This will upload up to 10 images at at time to an album
*/
global $CONFIG;
require_once(dirname(__FILE__)."/resize.php");
// Get common variables
$access_id = (int) get_input("access_id");
$container_guid = (int) get_input('container_guid', 0);
if (!$container_guid)
$container_guid == $_SESSION['user']->getGUID();
$not_uploaded = array();
$uploaded_images = array();
foreach($_FILES as $key => $sent_file) {
if (!empty($sent_file['name'])) {
$name = $_FILES[$key]['name'];
$mime = $_FILES[$key]['type'];
//make sure file is an image
if ($mime == 'image/jpeg' || $mime == 'image/gif' || $mime == 'image/png' || $mime == 'image/pjpeg') {
//this will save to users folder in /image/ and organize by photo album
$prefix = "image/" . $container_guid . "/";
$file = new ElggFile();
$filestorename = strtolower(time().$name);
$file->setFilename($prefix.$filestorename);
$file->setMimeType($mime);
$file->originalfilename = $name;
$file->subtype="image";
$file->access_id = $access_id;
if ($container_guid) {
$file->container_guid = $container_guid;
}
$file->open("write");
$file->write(get_uploaded_file($key));
$file->close();
$result = $file->save();
if ($result) { //file was saved; now create some thumbnails
//get maximum file size from plugin settings
if (get_plugin_setting('maxfilesize','tidypics')) {
if (((int) get_plugin_setting('maxfilesize','tidypics')) < 1 || ((int) get_plugin_setting('maxfilesize','tidypics')) > 1048576) {
$maxfilesize = 10240; //if file size is less than 1KB or greater than 1GB, default to 10MB
} else {
$maxfilesize = (int) get_plugin_setting('maxfilesize','tidypics');
}
} else {
$maxfilesize = 10240; //if the file size limit is not set, default to 10MB
}
$maxfilesize = 1024 * $maxfilesize; //convert to bytes
//check file size and remove picture if it exceeds the maximum
if (filesize($file->getFilenameOnFilestore())<= $maxfilesize) {
array_push($uploaded_images, $file->guid);
$image_lib = get_plugin_setting('image_lib', 'tidypics');
if ($image_lib === 'GD') {
// Generate thumbnail
//TODO: This code needs a complete rewrite - hardcoded to ~2.5 MB
if (filesize($file->getFilenameOnFilestore())<= 2500000) {
try {
$thumblarge = get_resized_image_from_existing_file( $file->getFilenameOnFilestore(),
$CONFIG->tidypics->image_large_width,
$CONFIG->tidypics->image_large_height,
false);
} catch (Exception $e) { $thumblarge = false; }
try {
$thumbsmall = get_resized_image_from_existing_file( $file->getFilenameOnFilestore(),
$CONFIG->tidypics->image_small_width,
$CONFIG->tidypics->image_small_height,
true);
} catch (Exception $e) { $thumbsmall = false; }
try {
$thumbnail = get_resized_image_from_existing_file( $file->getFilenameOnFilestore(),
$CONFIG->tidypics->image_thumb_width,
$CONFIG->tidypics->image_thumb_height,
true);
} catch (Exception $e) { $thumbnail = false; }
}
if ($thumbnail) {
$thumb = new ElggFile();
$thumb->setMimeType($mime);
$thumb->setFilename($prefix."thumb".$filestorename);
$thumb->open("write");
if ($thumb->write($thumbnail)) {
$file->thumbnail = $prefix."thumb".$filestorename;
} else {
$thumb->delete();
}
$thumb->close();
}
if ($thumbsmall) {
$thumb = new ElggFile();
$thumb->setMimeType($mime);
$thumb->setFilename($prefix."smallthumb".$filestorename);
$thumb->open("write");
if ($thumb->write($thumbsmall)) {
$file->smallthumb = $prefix."smallthumb".$filestorename;
} else {
$thumb->delete();
}
$thumb->close();
}
if ($thumblarge) {
$thumb = new ElggFile();
$thumb->setMimeType($mime);
$thumb->setFilename($prefix."largethumb".$filestorename);
$thumb->open("write");
if ($thumb->write($thumblarge)) {
$file->largethumb = $prefix."largethumb".$filestorename;
} else {
$thumb->delete();
}
$thumb->close();
}
} else {
//gfroese: build the actual thumbnails now
$album = get_entity($container_guid);
$user = get_user_entity_as_row($album->owner_guid);
$username = $user->username;
try {
$thumblarge = tp_resize($file->getFilenameOnFilestore(),
"largethumb",
$CONFIG->tidypics->image_large_width,
$CONFIG->tidypics->image_large_height,
false);
} catch (Exception $e) { $thumblarge = false; }
try {
$thumbsmall = tp_resize($file->getFilenameOnFilestore(),
"smallthumb",
$CONFIG->tidypics->image_small_width,
$CONFIG->tidypics->image_small_height,
true);
} catch (Exception $e) { $thumbsmall = false; }
try {
$thumbnail = tp_resize($file->getFilenameOnFilestore(),
"thumb",
$CONFIG->tidypics->image_thumb_width,
$CONFIG->tidypics->image_thumb_height,
true);
} catch (Exception $e) { $thumbnail = false; }
if ($thumbnail) {
$thumb = new ElggFile();
$thumb->setMimeType($mime);
$thumb->setFilename($prefix."thumb".$filestorename);
$file->thumbnail = $prefix."thumb".$filestorename;
}
if ($thumbsmall) {
$thumb = new ElggFile();
$thumb->setMimeType($mime);
$thumb->setFilename($prefix."smallthumb".$filestorename);
$file->smallthumb = $prefix."smallthumb".$filestorename;
}
if ($thumblarge) {
$thumb = new ElggFile();
$thumb->setMimeType($mime);
$thumb->setFilename($prefix."largethumb".$filestorename);
$file->largethumb = $prefix."largethumb".$filestorename;
}
$im_path = get_plugin_setting('convert_command', 'tidypics');
if(!$im_path) {
$im_path = "/usr/bin/";
}
if(substr($im_path, strlen($im_path)-1, 1) != "/") $im_path .= "/";
$watermark_text = get_plugin_setting('watermark_text', 'tidypics');
if( $watermark_text ) { //get this value from the plugin settings
if( $thumblarge ) {
$ext = ".png";
$watermark_filename = strtolower($watermark_text);
$watermark_filename = preg_replace("/[^\w-]+/", "-", $watermark_filename);
$watermark_filename = trim($watermark_filename, '-');
$viewer = get_loggedin_user();
$user_stamp_base = dirname(__FILE__) . "/" . $viewer->name . "_" . $watermark_filename . "_stamp";
if( !file_exists( $user_stamp_base . $ext )) { //create the watermark if it doesn't exist
$commands = array();
$commands[] = $im_path . 'convert -size 300x50 xc:grey30 -pointsize 20 -gravity center -draw "fill grey70 text 0,0 \''. $watermark_text . '\'" '. $user_stamp_base . '_fgnd' . $ext;
$commands[] = $im_path . 'convert -size 300x50 xc:black -pointsize 20 -gravity center -draw "fill white text 1,1 \''. $watermark_text . '\' text 0,0 \''. $watermark_text . '\' fill black text -1,-1 \''. $watermark_text . '\'" +matte ' . $user_stamp_base . '_mask' . $ext;
$commands[] = $im_path . 'composite -compose CopyOpacity ' . $user_stamp_base . "_mask" . $ext . ' ' . $user_stamp_base . '_fgnd' . $ext . ' ' . $user_stamp_base . $ext;
$commands[] = $im_path . 'mogrify -trim +repage ' . $user_stamp_base . $ext;
$commands[] = 'rm ' . $user_stamp_base . '_mask' . $ext;
$commands[] = 'rm ' . $user_stamp_fgnd . '_mask' . $ext;
foreach( $commands as $command ) {
exec( $command );
}
}
//apply the watermark
$commands = array();
$commands[] = $im_path . 'composite -gravity south -geometry +0+10 ' . $user_stamp_base . $ext . ' ' . $thumblarge . ' ' . $thumblarge . '_watermarked';
$commands[] = "mv $thumblarge" . "_watermarked $thumblarge";
foreach( $commands as $command ) {
exec( $command );
}
}
}
}
} else { //file exceeds file size limit, so delete it
$file->delete();
array_push($not_uploaded, $name);
} //end of file size check
} else { //file was not saved for some unknown reason
array_push($not_uploaded, $name);
} //end of file saved check and thumbnail creation
} else { // file is not a supported image type
array_push($not_uploaded, $name);
} //end of mimetype block
} //end of file name empty check
} //end of for loop
if (count($not_uploaded) == 0) {
system_message(elgg_echo("images:saved"));
} else {
$error = elgg_echo("image:uploadfailed") . '<br />';
foreach($not_uploaded as $im_name){
$error .= ' [' . $im_name . '] ';
}
$error .= ' ' . elgg_echo("image:notimage");
register_error($error);
} //end of upload check
if (count($uploaded_images)>0) {
// successful upload so check if this is a new album and throw river event if so
$album = get_entity($container_guid);
if ($album->new_album == 1) {
if (function_exists('add_to_river'))
add_to_river('river/object/album/create', 'create', $album->owner_guid, $album->guid);
$album->new_album = 0;
}
forward($CONFIG->wwwroot . 'mod/tidypics/edit_multi.php?files=' . implode('-', $uploaded_images)); //forward to multi-image edit page
} else {
forward(get_input('forward_url', $_SERVER['HTTP_REFERER'])); //upload failed, so forward to previous page
}
?>
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