lychee/php/modules/Photo.php
2014-04-28 11:47:30 +02:00

748 lines
18 KiB
PHP
Executable File

<?php
###
# @name Photo Module
# @author Tobias Reich
# @copyright 2014 by Tobias Reich
###
if (!defined('LYCHEE')) exit('Error: Direct access is not allowed!');
class Photo extends Module {
private $database = null;
private $settings = null;
private $photoIDs = null;
private $allowedTypes = [
IMAGETYPE_JPEG,
IMAGETYPE_GIF,
IMAGETYPE_PNG
];
private $validExtensions = [
'.jpg',
'.jpeg',
'.png',
'.gif'
];
public function __construct($database, $plugins, $settings, $photoIDs) {
# Init vars
$this->database = $database;
$this->plugins = $plugins;
$this->settings = $settings;
$this->photoIDs = $photoIDs;
return true;
}
public function add($files, $albumID, $description = '', $tags = '') {
# Check dependencies
$this->dependencies(isset($this->database));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
switch($albumID) {
case 's':
# s for public (share)
$public = 1;
$star = 0;
$albumID = 0;
break;
case 'f':
# f for starred (fav)
$star = 1;
$public = 0;
$albumID = 0;
break;
default:
$star = 0;
$public = 0;
break;
}
foreach ($files as $file) {
# Verify extension
$extension = $this->getExtension($file['name']);
if (!in_array(strtolower($extension), $this->validExtensions, true)) continue;
# Verify image
$type = @exif_imagetype($file['tmp_name']);
if (!in_array($type, $this->allowedTypes, true)) continue;
# Generate id
$id = str_replace('.', '', microtime(true));
while(strlen($id)<14) $id .= 0;
$tmp_name = $file['tmp_name'];
$photo_name = md5($id) . $extension;
$path = LYCHEE_UPLOADS_BIG . $photo_name;
# Import if not uploaded via web
if (!is_uploaded_file($tmp_name)) {
if (!@copy($tmp_name, $path)) exit('Error: Could not copy photo to uploads!');
else @unlink($tmp_name);
} else {
if (!@move_uploaded_file($tmp_name, $path)) exit('Error: Could not move photo to uploads!');
}
# Read infos
$info = $this->getInfo($path);
# Use title of file if IPTC title missing
if ($info['title']==='') $info['title'] = mysqli_real_escape_string($this->database, substr(basename($file['name'], ".$extension"), 0, 30));
# Use description parameter if set
if ($description==='') $description = $info['description'];
# Set orientation based on EXIF data
if ($file['type']==='image/jpeg'&&isset($info['orientation'])&&$info['orientation']!==''&&isset($info['width'])&&isset($info['height'])) {
if (!$this->adjustFile($path, $info)) exit('Error: Could not adjust photo!');
}
# Set original date
if ($info['takestamp']!=='') @touch($path, $info['takestamp']);
# Create Thumb
if (!$this->createThumb($path, $photo_name)) exit('Error: Could not create thumbnail for photo!');
# Save to DB
$query = "INSERT INTO lychee_photos (id, title, url, description, tags, type, width, height, size, iso, aperture, make, model, shutter, focal, takestamp, thumbUrl, album, public, star)
VALUES (
'" . $id . "',
'" . $info['title'] . "',
'" . $photo_name . "',
'" . $description . "',
'" . $tags . "',
'" . $info['type'] . "',
'" . $info['width'] . "',
'" . $info['height'] . "',
'" . $info['size'] . "',
'" . $info['iso'] . "',
'" . $info['aperture'] . "',
'" . $info['make'] . "',
'" . $info['model'] . "',
'" . $info['shutter'] . "',
'" . $info['focal'] . "',
'" . $info['takestamp'] . "',
'" . md5($id) . ".jpeg',
'" . $albumID . "',
'" . $public . "',
'" . $star . "');";
$result = $this->database->query($query);
if (!$result) exit('Error: Could not save photo in database!');
}
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
return true;
}
private function createThumb($url, $filename, $width = 200, $height = 200) {
# Check dependencies
$this->dependencies(isset($this->settings, $url, $filename));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
$info = getimagesize($url);
$photoName = explode(".", $filename);
$newUrl = LYCHEE_UPLOADS_THUMB . $photoName[0] . '.jpeg';
$newUrl2x = LYCHEE_UPLOADS_THUMB . $photoName[0] . '@2x.jpeg';
# create thumbnails with Imagick
if(extension_loaded('imagick')) {
# Read image
$thumb = new Imagick();
$thumb->readImage($url);
$thumb->setImageCompressionQuality($this->settings['thumbQuality']);
$thumb->setImageFormat('jpeg');
# Copy image for 2nd thumb version
$thumb2x = clone $thumb;
# Create 1st version
$thumb->cropThumbnailImage($width, $height);
$thumb->writeImage($newUrl);
$thumb->clear();
$thumb->destroy();
# Create 2nd version
$thumb2x->cropThumbnailImage($width*2, $height*2);
$thumb2x->writeImage($newUrl2x);
$thumb2x->clear();
$thumb2x->destroy();
} else {
# Set position and size
$thumb = imagecreatetruecolor($width, $height);
$thumb2x = imagecreatetruecolor($width*2, $height*2);
if ($info[0]<$info[1]) {
$newSize = $info[0];
$startWidth = 0;
$startHeight = $info[1]/2 - $info[0]/2;
} else {
$newSize = $info[1];
$startWidth = $info[0]/2 - $info[1]/2;
$startHeight = 0;
}
# Fallback for older version
if ($info['mime']==='image/webp'&&floatval(phpversion())<5.5) return false;
# Create new image
switch($info['mime']) {
case 'image/jpeg': $sourceImg = imagecreatefromjpeg($url); break;
case 'image/png': $sourceImg = imagecreatefrompng($url); break;
case 'image/gif': $sourceImg = imagecreatefromgif($url); break;
case 'image/webp': $sourceImg = imagecreatefromwebp($url); break;
default: return false; break;
}
# Create thumb
fastimagecopyresampled($thumb, $sourceImg, 0, 0, $startWidth, $startHeight, $width, $height, $newSize, $newSize);
imagejpeg($thumb, $newUrl, $this->settings['thumbQuality']);
imagedestroy($thumb);
# Create retina thumb
fastimagecopyresampled($thumb2x, $sourceImg, 0, 0, $startWidth, $startHeight, $width*2, $height*2, $newSize, $newSize);
imagejpeg($thumb2x, $newUrl2x, $this->settings['thumbQuality']);
imagedestroy($thumb2x);
# Free memory
imagedestroy($sourceImg);
}
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
return true;
}
private function adjustFile($path, $info) {
# Check dependencies
$this->dependencies(isset($path, $info));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
if (extension_loaded('imagick')) {
$rotateImage = 0;
switch ($info['orientation']) {
case 3:
$rotateImage = 180;
$imageOrientation = 1;
break;
case 6:
$rotateImage = 90;
$imageOrientation = 1;
break;
case 8:
$rotateImage = 270;
$imageOrientation = 1;
break;
}
if ($rotateImage!==0) {
$image = new Imagick();
$image->readImage($path);
$image->rotateImage(new ImagickPixel(), $rotateImage);
$image->setImageOrientation($imageOrientation);
$image->writeImage($path);
$image->clear();
$image->destroy();
}
} else {
$newWidth = $info['width'];
$newHeight = $info['height'];
$process = false;
$sourceImg = imagecreatefromjpeg($path);
switch ($info['orientation']) {
case 2:
# mirror
# not yet implemented
break;
case 3:
$process = true;
$sourceImg = imagerotate($sourceImg, -180, 0);
break;
case 4:
# rotate 180 and mirror
# not yet implemented
break;
case 5:
# rotate 90 and mirror
# not yet implemented
break;
case 6:
$process = true;
$sourceImg = imagerotate($sourceImg, -90, 0);
$newWidth = $info['height'];
$newHeight = $info['width'];
break;
case 7:
# rotate -90 and mirror
# not yet implemented
break;
case 8:
$process = true;
$sourceImg = imagerotate($sourceImg, 90, 0);
$newWidth = $info['height'];
$newHeight = $info['width'];
break;
}
# Need to adjust photo?
if ($process===true) {
# Recreate photo
$newSourceImg = imagecreatetruecolor($newWidth, $newHeight);
imagecopyresampled($newSourceImg, $sourceImg, 0, 0, 0, 0, $newWidth, $newHeight, $newWidth, $newHeight);
imagejpeg($newSourceImg, $path, 100);
# Free memory
imagedestroy($sourceImg);
imagedestroy($newSourceImg);
}
}
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
return true;
}
public function get($albumID) {
# Check dependencies
$this->dependencies(isset($this->database, $this->photoIDs));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
# Get photo
$photos = $this->database->query("SELECT * FROM lychee_photos WHERE id = '$this->photoIDs' LIMIT 1;");
$photo = $photos->fetch_assoc();
# Parse photo
$photo['sysdate'] = date('d M. Y', substr($photo['id'], 0, -4));
if (strlen($photo['takestamp'])>1) $photo['takedate'] = date('d M. Y', $photo['takestamp']);
if ($albumID!='false') {
if ($photo['album']!=0) {
# Get album
$albums = $this->database->query("SELECT public FROM lychee_albums WHERE id = '" . $photo['album'] . " LIMIT 1';");
$album = $albums->fetch_assoc();
# Parse album
$photo['public'] = ($album['public']=='1' ? '2' : $photo['public']);
}
$photo['original_album'] = $photo['album'];
$photo['album'] = $albumID;
}
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
return $photo;
}
private function getInfo($url) {
# Check dependencies
$this->dependencies(isset($this->database, $url));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
$iptcArray = array();
$info = getimagesize($url, $iptcArray);
# General information
$return['type'] = $info['mime'];
$return['width'] = $info[0];
$return['height'] = $info[1];
# Size
$size = filesize($url)/1024;
if ($size>=1024) $return['size'] = round($size/1024, 1) . ' MB';
else $return['size'] = round($size, 1) . ' KB';
# IPTC Metadata Fallback
$return['title'] = '';
$return['description'] = '';
# IPTC Metadata
if(isset($iptcArray['APP13'])) {
$iptcInfo = iptcparse($iptcArray['APP13']);
if (is_array($iptcInfo)) {
$temp = @$iptcInfo['2#105'][0];
if (isset($temp)&&strlen($temp)>0) $return['title'] = $temp;
$temp = @$iptcInfo['2#120'][0];
if (isset($temp)&&strlen($temp)>0) $return['description'] = $temp;
}
}
# EXIF Metadata Fallback
$return['orientation'] = '';
$return['iso'] = '';
$return['aperture'] = '';
$return['make'] = '';
$return['model'] = '';
$return['shutter'] = '';
$return['focal'] = '';
$return['takestamp'] = 0;
# Read EXIF
if ($info['mime']=='image/jpeg') $exif = @exif_read_data($url, 'EXIF', 0);
else $exif = false;
# EXIF Metadata
if ($exif!==false) {
if (isset($exif['Orientation'])) $return['orientation'] = $exif['Orientation'];
else if (isset($exif['IFD0']['Orientation'])) $return['orientation'] = $exif['IFD0']['Orientation'];
$temp = @$exif['ISOSpeedRatings'];
if (isset($temp)) $return['iso'] = $temp;
$temp = @$exif['COMPUTED']['ApertureFNumber'];
if (isset($temp)) $return['aperture'] = $temp;
$temp = @$exif['Make'];
if (isset($temp)) $return['make'] = trim($temp);
$temp = @$exif['Model'];
if (isset($temp)) $return['model'] = trim($temp);
$temp = @$exif['ExposureTime'];
if (isset($temp)) $return['shutter'] = $exif['ExposureTime'] . ' Sec.';
$temp = @$exif['FocalLength'];
if (isset($temp)) $return['focal'] = ($temp/1) . ' mm';
$temp = @$exif['DateTimeOriginal'];
if (isset($temp)) $return['takestamp'] = strtotime($temp);
}
# Security
foreach(array_keys($return) as $key) $return[$key] = mysqli_real_escape_string($this->database, $return[$key]);
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
return $return;
}
public function getArchive() {
# Check dependencies
$this->dependencies(isset($this->database, $this->photoIDs));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
# Get photo
$photos = $this->database->query("SELECT title, url FROM lychee_photos WHERE id = '$this->photoIDs' LIMIT 1;");
$photo = $photos->fetch_object();
# Get extension
$extension = $this->getExtension($photo->url);
if ($extension===false) return false;
# Parse title
if ($photo->title=='') $photo->title = 'Untitled';
# Set headers
header("Content-Type: application/octet-stream");
header("Content-Disposition: attachment; filename=\"$photo->title.$extension[0]\"");
header("Content-Length: " . filesize(LYCHEE_UPLOADS_BIG . $photo->url));
# Send file
readfile(LYCHEE_UPLOADS_BIG . $photo->url);
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
return true;
}
public function getExtension($filename) {
$extension = strpos($filename, '.') !== false
? strrchr($filename, '.')
: '';
return $extension;
}
public function setTitle($title) {
# Check dependencies
$this->dependencies(isset($this->database, $this->photoIDs));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
# Parse
if (strlen($title)>50) $title = substr($title, 0, 50);
# Set title
$result = $this->database->query("UPDATE lychee_photos SET title = '$title' WHERE id IN ($this->photoIDs);");
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
if (!$result) return false;
return true;
}
public function setDescription($description) {
# Check dependencies
$this->dependencies(isset($this->database, $this->photoIDs));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
# Parse
$description = htmlentities($description);
if (strlen($description)>1000) $description = substr($description, 0, 1000);
# Set description
$result = $this->database->query("UPDATE lychee_photos SET description = '$description' WHERE id IN ('$this->photoIDs');");
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
if (!$result) return false;
return true;
}
public function setStar() {
# Check dependencies
$this->dependencies(isset($this->database, $this->photoIDs));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
# Init vars
$error = false;
# Get photos
$photos = $this->database->query("SELECT id, star FROM lychee_photos WHERE id IN ($this->photoIDs);");
# For each photo
while ($photo = $photos->fetch_object()) {
# Invert star
$star = ($photo->star==0 ? 1 : 0);
# Set star
$star = $this->database->query("UPDATE lychee_photos SET star = '$star' WHERE id = '$photo->id';");
if (!$star) $error = true;
}
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
if ($error) return false;
return true;
}
public function getPublic($password) {
# Check dependencies
$this->dependencies(isset($this->database, $this->photoIDs));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
# Get photo
$photos = $this->database->query("SELECT public, album FROM lychee_photos WHERE id = '$this->photoIDs' LIMIT 1;");
$photo = $photos->fetch_object();
# Check if public
if ($photo->public==1) return true;
else {
$album = new Album($this->database, null, null, $photo->album);
$acP = $album->checkPassword($password);
$agP = $album->getPublic();
if ($acP===true&&$agP===true) return true;
}
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
return false;
}
public function setPublic() {
# Check dependencies
$this->dependencies(isset($this->database, $this->photoIDs));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
# Get public
$photos = $this->database->query("SELECT public FROM lychee_photos WHERE id = '$this->photoIDs' LIMIT 1;");
$photo = $photos->fetch_object();
# Invert public
$public = ($photo->public==0 ? 1 : 0);
# Set public
$result = $this->database->query("UPDATE lychee_photos SET public = '$public' WHERE id = '$this->photoIDs';");
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
if (!$result) return false;
return true;
}
function setAlbum($albumID) {
# Check dependencies
$this->dependencies(isset($this->database, $this->photoIDs));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
# Set album
$result = $this->database->query("UPDATE lychee_photos SET album = '$albumID' WHERE id IN ($this->photoIDs);");
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
if (!$result) return false;
return true;
}
public function setTags($tags) {
# Check dependencies
$this->dependencies(isset($this->database, $this->photoIDs));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
# Parse tags
$tags = preg_replace('/(\ ,\ )|(\ ,)|(,\ )|(,{1,}\ {0,})|(,$|^,)/', ',', $tags);
$tags = preg_replace('/,$|^,|(\ ){0,}$/', '', $tags);
if (strlen($tags)>1000) return false;
# Set tags
$result = $this->database->query("UPDATE lychee_photos SET tags = '$tags' WHERE id IN ($this->photoIDs);");
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
if (!$result) return false;
return true;
}
public function delete() {
# Check dependencies
$this->dependencies(isset($this->database, $this->photoIDs));
# Call plugins
$this->plugins(__METHOD__, 0, func_get_args());
# Get photos
$photos = $this->database->query("SELECT id, url, thumbUrl FROM lychee_photos WHERE id IN ($this->photoIDs);");
# For each photo
while ($photo = $photos->fetch_object()) {
# Get retina thumb url
$thumbUrl2x = explode(".", $photo->thumbUrl);
$thumbUrl2x = $thumbUrl2x[0] . '@2x.' . $thumbUrl2x[1];
# Delete files
if (file_exists(LYCHEE_UPLOADS_BIG . $photo->url)&&!unlink(LYCHEE_UPLOADS_BIG . $photo->url)) return false;
if (file_exists(LYCHEE_UPLOADS_THUMB . $photo->thumbUrl)&&!unlink(LYCHEE_UPLOADS_THUMB . $photo->thumbUrl)) return false;
if (file_exists(LYCHEE_UPLOADS_THUMB . $thumbUrl2x)&&!unlink(LYCHEE_UPLOADS_THUMB . $thumbUrl2x)) return false;
# Delete db entry
$delete = $this->database->query("DELETE FROM lychee_photos WHERE id = '$photo->id';");
if (!$delete) return false;
}
# Call plugins
$this->plugins(__METHOD__, 1, func_get_args());
if (!$photos) return false;
return true;
}
}
?>