lychee/php/Modules/Photo.php
Quentin Ligier 7841cad8f2 Small corrections
IPTC data are in the first element of array.
GPS coordinate helper added to required files.
2016-04-17 22:23:05 +02:00

1260 lines
36 KiB
PHP
Executable File

<?php
namespace Lychee\Modules;
use ZipArchive;
use Imagick;
use ImagickPixel;
final class Photo {
private $photoIDs = null;
public static $validTypes = array(
IMAGETYPE_JPEG,
IMAGETYPE_GIF,
IMAGETYPE_PNG
);
public static $validExtensions = array(
'.jpg',
'.jpeg',
'.png',
'.gif'
);
/**
* @return boolean Returns true when successful.
*/
public function __construct($photoIDs) {
// Init vars
$this->photoIDs = $photoIDs;
return true;
}
/**
* Creats new photo(s).
* Exits on error.
* Use $returnOnError if you want to handle errors by your own.
* @return boolean Returns true when successful.
*/
public function add(array $files, $albumID = 0, $returnOnError = false) {
// Check permissions
if (hasPermissions(LYCHEE_UPLOADS)===false||
hasPermissions(LYCHEE_UPLOADS_BIG)===false||
hasPermissions(LYCHEE_UPLOADS_THUMB)===false) {
Log::error(Database::get(), __METHOD__, __LINE__, 'An upload-folder is missing or not readable and writable');
if ($returnOnError===true) return false;
Response::error('An upload-folder is missing or not readable and writable!');
}
// Call plugins
Plugins::get()->activate(__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;
case 'r':
// r for recent
$public = 0;
$star = 0;
$albumID = 0;
break;
default:
$star = 0;
$public = 0;
break;
}
// Only process the first photo in the array
$file = $files[0];
// Check if file exceeds the upload_max_filesize directive
if ($file['error']===UPLOAD_ERR_INI_SIZE) {
Log::error(Database::get(), __METHOD__, __LINE__, 'The uploaded file exceeds the upload_max_filesize directive in php.ini');
if ($returnOnError===true) return false;
Response::error('The uploaded file exceeds the upload_max_filesize directive in php.ini!');
}
// Check if file was only partially uploaded
if ($file['error']===UPLOAD_ERR_PARTIAL) {
Log::error(Database::get(), __METHOD__, __LINE__, 'The uploaded file was only partially uploaded');
if ($returnOnError===true) return false;
Response::error('The uploaded file was only partially uploaded!');
}
// Check if writing file to disk failed
if ($file['error']===UPLOAD_ERR_CANT_WRITE) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Failed to write photo to disk');
if ($returnOnError===true) return false;
Response::error('Failed to write photo to disk!');
}
// Check if a extension stopped the file upload
if ($file['error']===UPLOAD_ERR_EXTENSION) {
Log::error(Database::get(), __METHOD__, __LINE__, 'A PHP extension stopped the file upload');
if ($returnOnError===true) return false;
Response::error('A PHP extension stopped the file upload!');
}
// Check if the upload was successful
if ($file['error']!==UPLOAD_ERR_OK) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Upload contains an error (' . $file['error'] . ')');
if ($returnOnError===true) return false;
Response::error('Upload failed!');
}
// Verify extension
$extension = getExtension($file['name'], false);
if (!in_array(strtolower($extension), self::$validExtensions, true)) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Photo format not supported');
if ($returnOnError===true) return false;
Response::error('Photo format not supported!');
}
// Verify image
$type = @exif_imagetype($file['tmp_name']);
if (!in_array($type, self::$validTypes, true)) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Photo type not supported');
if ($returnOnError===true) return false;
Response::error('Photo type not supported!');
}
// Generate id
$id = generateID();
// Set paths
$tmp_name = $file['tmp_name'];
$photo_name = md5($id) . $extension;
$path = LYCHEE_UPLOADS_BIG . $photo_name;
// Calculate checksum
$checksum = sha1_file($tmp_name);
if ($checksum===false) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Could not calculate checksum for photo');
if ($returnOnError===true) return false;
Response::error('Could not calculate checksum for photo!');
}
// Check if image exists based on checksum
if ($checksum===false) {
$checksum = '';
$exists = false;
} else {
$exists = $this->exists($checksum);
if ($exists!==false) {
$photo_name = $exists['photo_name'];
$path = $exists['path'];
$path_thumb = $exists['path_thumb'];
$medium = ($exists['medium']==='1' ? 1 : 0);
$exists = true;
}
}
if ($exists===false) {
// Import if not uploaded via web
if (!is_uploaded_file($tmp_name)) {
if (!@copy($tmp_name, $path)) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Could not copy photo to uploads');
if ($returnOnError===true) return false;
Response::error('Could not copy photo to uploads!');
} else @unlink($tmp_name);
} else {
if (!@move_uploaded_file($tmp_name, $path)) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Could not move photo to uploads');
if ($returnOnError===true) return false;
Response::error('Could not move photo to uploads!');
}
}
} else {
// Photo already exists
// Check if the user wants to skip duplicates
if (Settings::get()['skipDuplicates']==='1') {
Log::notice(Database::get(), __METHOD__, __LINE__, 'Skipped upload of existing photo because skipDuplicates is activated');
if ($returnOnError===true) return false;
Response::warning('This photo has been skipped because it\'s already in your library.');
}
}
// Read infos
$info = $this->getInfo($path);
// Use title of file if IPTC title missing
if ($info['title']==='') $info['title'] = substr(basename($file['name'], $extension), 0, 30);
if ($exists===false) {
// Set orientation based on EXIF data
if ($file['type']==='image/jpeg'&&isset($info['orientation'])&&$info['orientation']!=='') {
$adjustFile = $this->adjustFile($path, $info);
if ($adjustFile!==false) $info = $adjustFile;
else Log::notice(Database::get(), __METHOD__, __LINE__, 'Skipped adjustment of photo (' . $info['title'] . ')');
}
// Set original date
if ($info['takestamp']!==''&&$info['takestamp']!==0) @touch($path, $info['takestamp']);
// Create Thumb
if (!$this->createThumb($path, $photo_name, $info['type'], $info['width'], $info['height'])) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Could not create thumbnail for photo');
if ($returnOnError===true) return false;
Response::error('Could not create thumbnail for photo!');
}
// Create Medium
if ($this->createMedium($path, $photo_name, $info['width'], $info['height'])) $medium = 1;
else $medium = 0;
// Set thumb url
$path_thumb = md5($id) . '.jpeg';
}
// Save to DB
$values = array(LYCHEE_TABLE_PHOTOS, $id, $info['title'], $photo_name, $info['description'], $info['tags'], $info['type'], $info['width'], $info['height'], $info['size'], $info['iso'], $info['aperture'], $info['make'], $info['model'], $info['shutter'], $info['focal'], $info['takestamp'], $path_thumb, $albumID, $public, $star, $checksum, $medium);
$query = Database::prepare(Database::get(), "INSERT INTO ? (id, title, url, description, tags, type, width, height, size, iso, aperture, make, model, shutter, focal, takestamp, thumbUrl, album, public, star, checksum, medium) VALUES ('?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?')", $values);
$result = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
if ($result===false) {
if ($returnOnError===true) return false;
Response::error('Could not save photo in database!');
}
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
return true;
}
/**
* @return array|false Returns a subset of a photo when same photo exists or returns false on failure.
*/
private function exists($checksum, $photoID = null) {
// Exclude $photoID from select when $photoID is set
if (isset($photoID)) $query = Database::prepare(Database::get(), "SELECT id, url, thumbUrl, medium FROM ? WHERE checksum = '?' AND id <> '?' LIMIT 1", array(LYCHEE_TABLE_PHOTOS, $checksum, $photoID));
else $query = Database::prepare(Database::get(), "SELECT id, url, thumbUrl, medium FROM ? WHERE checksum = '?' LIMIT 1", array(LYCHEE_TABLE_PHOTOS, $checksum));
$result = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
if ($result===false) return false;
if ($result->num_rows===1) {
$result = $result->fetch_object();
$return = array(
'photo_name' => $result->url,
'path' => LYCHEE_UPLOADS_BIG . $result->url,
'path_thumb' => $result->thumbUrl,
'medium' => $result->medium
);
return $return;
}
return false;
}
/**
* @return boolean Returns true when successful.
*/
private function createThumb($url, $filename, $type, $width, $height) {
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
// Quality of thumbnails
$thumbQuality = 90;
// Size of the thumbnail
$newWidth = 200;
$newHeight = 200;
$photoName = explode('.', $filename);
$newUrl = LYCHEE_UPLOADS_THUMB . $photoName[0] . '.jpeg';
$newUrl2x = LYCHEE_UPLOADS_THUMB . $photoName[0] . '@2x.jpeg';
// Create thumbnails with Imagick
if(Settings::hasImagick()) {
// Read image
$thumb = new Imagick();
$thumb->readImage($url);
$thumb->setImageCompressionQuality($thumbQuality);
$thumb->setImageFormat('jpeg');
// Copy image for 2nd thumb version
$thumb2x = clone $thumb;
// Create 1st version
$thumb->cropThumbnailImage($newWidth, $newHeight);
$thumb->writeImage($newUrl);
$thumb->clear();
$thumb->destroy();
// Create 2nd version
$thumb2x->cropThumbnailImage($newWidth*2, $newHeight*2);
$thumb2x->writeImage($newUrl2x);
$thumb2x->clear();
$thumb2x->destroy();
} else {
// Create image
$thumb = imagecreatetruecolor($newWidth, $newHeight);
$thumb2x = imagecreatetruecolor($newWidth*2, $newHeight*2);
// Set position
if ($width<$height) {
$newSize = $width;
$startWidth = 0;
$startHeight = $height/2 - $width/2;
} else {
$newSize = $height;
$startWidth = $width/2 - $height/2;
$startHeight = 0;
}
// Create new image
switch($type) {
case 'image/jpeg': $sourceImg = imagecreatefromjpeg($url); break;
case 'image/png': $sourceImg = imagecreatefrompng($url); break;
case 'image/gif': $sourceImg = imagecreatefromgif($url); break;
default: Log::error(Database::get(), __METHOD__, __LINE__, 'Type of photo is not supported');
return false;
break;
}
// Create thumb
fastImageCopyResampled($thumb, $sourceImg, 0, 0, $startWidth, $startHeight, $newWidth, $newHeight, $newSize, $newSize);
imagejpeg($thumb, $newUrl, $thumbQuality);
imagedestroy($thumb);
// Create retina thumb
fastImageCopyResampled($thumb2x, $sourceImg, 0, 0, $startWidth, $startHeight, $newWidth*2, $newHeight*2, $newSize, $newSize);
imagejpeg($thumb2x, $newUrl2x, $thumbQuality);
imagedestroy($thumb2x);
// Free memory
imagedestroy($sourceImg);
}
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
return true;
}
/**
* Creates a smaller version of a photo when its size is bigger than a preset size.
* Photo must be big enough and Imagick must be installed and activated.
* @return boolean Returns true when successful.
*/
private function createMedium($url, $filename, $width, $height) {
// Excepts the following:
// (string) $url = Path to the photo-file
// (string) $filename = Name of the photo-file
// (int) $width = Width of the photo
// (int) $height = Height of the photo
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
// Set to true when creation of medium-photo failed
$error = false;
// Size of the medium-photo
// When changing these values,
// also change the size detection in the front-end
$newWidth = 1920;
$newHeight = 1080;
// Check permissions
if (hasPermissions(LYCHEE_UPLOADS_MEDIUM)===false) {
// Permissions are missing
Log::notice(Database::get(), __METHOD__, __LINE__, 'Skipped creation of medium-photo, because uploads/medium/ is missing or not readable and writable.');
$error = true;
}
// Is photo big enough?
// Is Imagick installed and activated?
if (($error===false)&&
($width>$newWidth||$height>$newHeight)&&
(extension_loaded('imagick')&&Settings::get()['imagick']==='1')) {
$newUrl = LYCHEE_UPLOADS_MEDIUM . $filename;
// Read image
$medium = new Imagick();
$medium->readImage($url);
// Adjust image
$medium->scaleImage($newWidth, $newHeight, true);
// Save image
try { $medium->writeImage($newUrl); }
catch (ImagickException $err) {
Log::notice(Database::get(), __METHOD__, __LINE__, 'Could not save medium-photo (' . $err->getMessage() . ')');
$error = true;
}
$medium->clear();
$medium->destroy();
} else {
// Photo too small or
// Medium is deactivated or
// Imagick not installed
$error = true;
}
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
if ($error===true) return false;
return true;
}
/**
* Rotates and flips a photo based on its EXIF orientation.
* @return array|false Returns an array with the new orientation, width, height or false on failure.
*/
public function adjustFile($path, array $info) {
// Excepts the following:
// (string) $path = Path to the photo-file
// (array) $info = ['orientation', 'width', 'height']
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
$swapSize = false;
if (extension_loaded('imagick')&&Settings::get()['imagick']==='1') {
switch ($info['orientation']) {
case 3:
$rotateImage = 180;
break;
case 6:
$rotateImage = 90;
$swapSize = true;
break;
case 8:
$rotateImage = 270;
$swapSize = true;
break;
default:
return false;
break;
}
if ($rotateImage!==0) {
$image = new Imagick();
$image->readImage($path);
$image->rotateImage(new ImagickPixel(), $rotateImage);
$image->setImageOrientation(1);
$image->writeImage($path);
$image->clear();
$image->destroy();
}
} else {
$newWidth = $info['width'];
$newHeight = $info['height'];
$sourceImg = imagecreatefromjpeg($path);
switch ($info['orientation']) {
case 2:
// mirror
// not yet implemented
return false;
break;
case 3:
$sourceImg = imagerotate($sourceImg, -180, 0);
break;
case 4:
// rotate 180 and mirror
// not yet implemented
return false;
break;
case 5:
// rotate 90 and mirror
// not yet implemented
return false;
break;
case 6:
$sourceImg = imagerotate($sourceImg, -90, 0);
$newWidth = $info['height'];
$newHeight = $info['width'];
$swapSize = true;
break;
case 7:
// rotate -90 and mirror
// not yet implemented
return false;
break;
case 8:
$sourceImg = imagerotate($sourceImg, 90, 0);
$newWidth = $info['height'];
$newHeight = $info['width'];
$swapSize = true;
break;
default:
return false;
break;
}
// 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($newSourceImg);
}
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
// SwapSize should be true when the image has been rotated
// Return new dimensions in this case
if ($swapSize===true) {
$swapSize = $info['width'];
$info['width'] = $info['height'];
$info['height'] = $swapSize;
}
return $info;
}
/**
* Rurns photo-attributes into a front-end friendly format. Note that some attributes remain unchanged.
* @return array Returns photo-attributes in a normalized structure.
*/
public static function prepareData(array $data) {
// Excepts the following:
// (array) $data = ['id', 'title', 'tags', 'public', 'star', 'album', 'thumbUrl', 'takestamp', 'url']
// Init
$photo = null;
// Set unchanged attributes
$photo['id'] = $data['id'];
$photo['title'] = $data['title'];
$photo['tags'] = $data['tags'];
$photo['public'] = $data['public'];
$photo['star'] = $data['star'];
$photo['album'] = $data['album'];
// Parse urls
$photo['thumbUrl'] = LYCHEE_URL_UPLOADS_THUMB . $data['thumbUrl'];
$photo['url'] = LYCHEE_URL_UPLOADS_BIG . $data['url'];
// Use takestamp as sysdate when possible
if (isset($data['takestamp'])&&$data['takestamp']!=='0') {
// Use takestamp
$photo['cameraDate'] = '1';
$photo['sysdate'] = strftime('%d %B %Y', $data['takestamp']);
} else {
// Use sysstamp from the id
$photo['cameraDate'] = '0';
$photo['sysdate'] = strftime('%d %B %Y', substr($data['id'], 0, -4));
}
return $photo;
}
/**
* @return array|false Returns an array with information about the photo or false on failure.
*/
public function get($albumID) {
// Excepts the following:
// (string) $albumID = Album which is currently visible to the user
// Check dependencies
Validator::required(isset($this->photoIDs), __METHOD__);
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
// Get photo
$query = Database::prepare(Database::get(), "SELECT * FROM ? WHERE id = '?' LIMIT 1", array(LYCHEE_TABLE_PHOTOS, $this->photoIDs));
$photos = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
if ($photos===false) return false;
// Get photo object
$photo = $photos->fetch_assoc();
// Photo not found?
if ($photo===null) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Could not find specified photo');
return false;
}
// Parse photo
$photo['sysdate'] = strftime('%d %b. %Y', substr($photo['id'], 0, -4));
if (strlen($photo['takestamp'])>1) $photo['takedate'] = strftime('%d %b. %Y', $photo['takestamp']);
// Parse medium
if ($photo['medium']==='1') $photo['medium'] = LYCHEE_URL_UPLOADS_MEDIUM . $photo['url'];
else $photo['medium'] = '';
// Parse paths
$photo['url'] = LYCHEE_URL_UPLOADS_BIG . $photo['url'];
$photo['thumbUrl'] = LYCHEE_URL_UPLOADS_THUMB . $photo['thumbUrl'];
if ($albumID!='false') {
// Only show photo as public when parent album is public
// Check if parent album is not 'Unsorted'
if ($photo['album']!=='0') {
// Get album
$query = Database::prepare(Database::get(), "SELECT public FROM ? WHERE id = '?' LIMIT 1", array(LYCHEE_TABLE_ALBUMS, $photo['album']));
$albums = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
if ($albums===false) return false;
// Get album object
$album = $albums->fetch_assoc();
// Photo not found?
if ($photo===null) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Could not find specified album');
return false;
}
// Parse album
$photo['public'] = ($album['public']==='1' ? '2' : $photo['public']);
}
$photo['original_album'] = $photo['album'];
$photo['album'] = $albumID;
}
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
return $photo;
}
/**
* Reads and parses information and metadata out of a photo.
* @return array Returns an array of photo information and metadata.
*/
public function getInfo($url) {
// Functions returns information and metadata of a photo
// Excepts the following:
// (string) $url = Path to photo-file
// Returns the following:
// (array) $return
// Call plugins
Plugins::get()->activate(__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];
$return['title'] = '';
$return['description'] = '';
$return['orientation'] = '';
$return['iso'] = '';
$return['aperture'] = '';
$return['make'] = '';
$return['model'] = '';
$return['shutter'] = '';
$return['focal'] = '';
$return['takestamp'] = 0;
$return['lens'] = '';
$return['tags'] = array();
$return['position'] = '';
$return['latitude'] = '';
$return['longitude'] = '';
$return['altitude'] = '';
// Size
$size = filesize($url)/1024;
if ($size>=1024) $return['size'] = round($size/1024, 1) . ' MB';
else $return['size'] = round($size, 1) . ' KB';
// IPTC Metadata
// See https://www.iptc.org/std/IIM/4.2/specification/IIMV4.2.pdf for mapping
if(isset($iptcArray['APP13'])) {
$iptcInfo = iptcparse($iptcArray['APP13']);
if (is_array($iptcInfo)) {
// Title
if (!empty($iptcInfo['2#105'][0])) $return['title'] = $iptcInfo['2#105'][0];
else if (!empty($iptcInfo['2#005'][0])) $return['title'] = $iptcInfo['2#005'][0];
// Description
if (!empty($iptcInfo['2#120'][0])) $return['description'] = $iptcInfo['2#120'][0];
// Tags
if (!empty($iptcInfo['2#025'])) $return['tags'] = implode(',', $iptcInfo['2#025']);
// Position
$fields = array();
if (!empty($iptcInfo['2#090'])) $fields[] = trim($iptcInfo['2#090'][0]);
if (!empty($iptcInfo['2#092'])) $fields[] = trim($iptcInfo['2#092'][0]);
if (!empty($iptcInfo['2#095'])) $fields[] = trim($iptcInfo['2#095'][0]);
if (!empty($iptcInfo['2#101'])) $fields[] = trim($iptcInfo['2#101'][0]);
if (!empty($fields)) $return['position'] = implode(', ', $fields);
}
}
// Read EXIF
if ($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'] = $exif['IFD0']['Orientation'];
if (!empty($exif['ISOSpeedRatings'])) $return['iso'] = $exif['ISOSpeedRatings'];
if (!empty($exif['COMPUTED']['ApertureFNumber'])) $return['aperture'] = $exif['COMPUTED']['ApertureFNumber'];
if (!empty($exif['Make'])) $return['make'] = trim($exif['Make']);
if (!empty($exif['Model'])) $return['model'] = trim($exif['Model']);
if (!empty($exif['ExposureTime'])) $return['shutter'] = $exif['ExposureTime'] . ' s';
if (!empty($exif['FocalLength'])) {
if (strpos($exif['FocalLength'], '/')!==false) {
$temp = explode('/', $exif['FocalLength'], 2);
$temp = $temp[0] / $temp[1];
$temp = round($temp, 1);
$return['focal'] = $temp . ' mm';
}
$return['focal'] = $exif['FocalLength'] . ' mm';
}
if (!empty($exif['DateTimeOriginal'])) $return['takestamp'] = strtotime($exif['DateTimeOriginal']);
// Lens field from Lightroom
if (!empty($exif['UndefinedTag:0xA434'])) $return['lens'] = trim($exif['UndefinedTag:0xA434']);
// Deal with GPS coordinates
if (!empty($exif['GPSLatitude']) && !empty($exif['GPSLatitudeRef']))
$return['latitude'] = getGPSCoordinate($exif['GPSLatitude'], $exif['GPSLatitudeRef']);
if (!empty($exif['GPSLongitude']) && !empty($exif['GPSLongitudeRef']))
$return['longitude'] = getGPSCoordinate($exif['GPSLongitude'], $exif['GPSLongitudeRef']);
}
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
return $return;
}
/**
* Starts a download of a photo.
* @return resource|boolean Sends a ZIP-file or returns false on failure.
*/
public function getArchive() {
// Check dependencies
Validator::required(isset($this->photoIDs), __METHOD__);
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
// Get photo
$query = Database::prepare(Database::get(), "SELECT title, url FROM ? WHERE id = '?' LIMIT 1", array(LYCHEE_TABLE_PHOTOS, $this->photoIDs));
$photos = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
if ($photos===false) return false;
// Get photo object
$photo = $photos->fetch_object();
// Photo not found?
if ($photo===null) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Could not find specified photo');
return false;
}
// Get extension
$extension = getExtension($photo->url, false);
if (empty($extension)===true) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Invalid photo extension');
return false;
}
// Illicit chars
$badChars = array_merge(
array_map('chr', range(0,31)),
array("<", ">", ":", '"', "/", "\\", "|", "?", "*")
);
// Parse title
if ($photo->title=='') $photo->title = 'Untitled';
// Escape title
$photo->title = str_replace($badChars, '', $photo->title);
// Set headers
header("Content-Type: application/octet-stream");
header("Content-Disposition: attachment; filename=\"" . $photo->title . $extension . "\"");
header("Content-Length: " . filesize(LYCHEE_UPLOADS_BIG . $photo->url));
// Send file
readfile(LYCHEE_UPLOADS_BIG . $photo->url);
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
return true;
}
/**
* Sets the title of a photo.
* @return boolean Returns true when successful.
*/
public function setTitle($title = 'Untitled') {
// Check dependencies
Validator::required(isset($this->photoIDs), __METHOD__);
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
// Set title
$query = Database::prepare(Database::get(), "UPDATE ? SET title = '?' WHERE id IN (?)", array(LYCHEE_TABLE_PHOTOS, $title, $this->photoIDs));
$result = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
if ($result===false) return false;
return true;
}
/**
* Sets the description of a photo.
* @return boolean Returns true when successful.
*/
public function setDescription($description) {
// Check dependencies
Validator::required(isset($this->photoIDs), __METHOD__);
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
// Set description
$query = Database::prepare(Database::get(), "UPDATE ? SET description = '?' WHERE id IN ('?')", array(LYCHEE_TABLE_PHOTOS, $description, $this->photoIDs));
$result = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
if ($result===false) return false;
return true;
}
/**
* Toggles the star property of a photo.
* @return boolean Returns true when successful.
*/
public function setStar() {
// Check dependencies
Validator::required(isset($this->photoIDs), __METHOD__);
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
// Init vars
$error = false;
// Get photos
$query = Database::prepare(Database::get(), "SELECT id, star FROM ? WHERE id IN (?)", array(LYCHEE_TABLE_PHOTOS, $this->photoIDs));
$photos = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
if ($photos===false) return false;
// For each photo
while ($photo = $photos->fetch_object()) {
// Invert star
$star = ($photo->star==0 ? 1 : 0);
// Set star
$query = Database::prepare(Database::get(), "UPDATE ? SET star = '?' WHERE id = '?'", array(LYCHEE_TABLE_PHOTOS, $star, $photo->id));
$result = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
if ($result===false) $error = true;
}
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
if ($error===true) return false;
return true;
}
/**
* Checks if photo or parent album is public.
* @return integer 0 = Photo private and parent album private
* 1 = Album public, but password incorrect
* 2 = Photo public or album public and password correct
*/
public function getPublic($password) {
// Check dependencies
Validator::required(isset($this->photoIDs), __METHOD__);
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
// Get photo
$query = Database::prepare(Database::get(), "SELECT public, album FROM ? WHERE id = '?' LIMIT 1", array(LYCHEE_TABLE_PHOTOS, $this->photoIDs));
$photos = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
if ($photos===false) return 0;
// Get photo object
$photo = $photos->fetch_object();
// Photo not found?
if ($photo===null) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Could not find specified photo');
return false;
}
// Check if public
if ($photo->public==='1') {
// Photo public
return 2;
} else {
// Check if album public
$album = new Album($photo->album);
$agP = $album->getPublic();
$acP = $album->checkPassword($password);
// Album public and password correct
if ($agP===true&&$acP===true) return 2;
// Album public, but password incorrect
if ($agP===true&&$acP===false) return 1;
}
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
// Photo private
return 0;
}
/**
* Toggles the public property of a photo.
* @return boolean Returns true when successful.
*/
public function setPublic() {
// Check dependencies
Validator::required(isset($this->photoIDs), __METHOD__);
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
// Get public
$query = Database::prepare(Database::get(), "SELECT public FROM ? WHERE id = '?' LIMIT 1", array(LYCHEE_TABLE_PHOTOS, $this->photoIDs));
$photos = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
if ($photos===false) return false;
// Get photo object
$photo = $photos->fetch_object();
// Photo not found?
if ($photo===null) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Could not find specified photo');
return false;
}
// Invert public
$public = ($photo->public==0 ? 1 : 0);
// Set public
$query = Database::prepare(Database::get(), "UPDATE ? SET public = '?' WHERE id = '?'", array(LYCHEE_TABLE_PHOTOS, $public, $this->photoIDs));
$result = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
if ($result===false) return false;
return true;
}
/**
* Sets the parent album of a photo.
* @return boolean Returns true when successful.
*/
function setAlbum($albumID) {
// Check dependencies
Validator::required(isset($this->photoIDs), __METHOD__);
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
// Set album
$query = Database::prepare(Database::get(), "UPDATE ? SET album = '?' WHERE id IN (?)", array(LYCHEE_TABLE_PHOTOS, $albumID, $this->photoIDs));
$result = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
if ($result===false) return false;
return true;
}
/**
* Sets the tags of a photo.
* @return boolean Returns true when successful.
*/
public function setTags($tags) {
// Excepts the following:
// (string) $tags = Comma separated list of tags with a maximum length of 1000 chars
// Check dependencies
Validator::required(isset($this->photoIDs), __METHOD__);
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
// Parse tags
$tags = preg_replace('/(\ ,\ )|(\ ,)|(,\ )|(,{1,}\ {0,})|(,$|^,)/', ',', $tags);
$tags = preg_replace('/,$|^,|(\ ){0,}$/', '', $tags);
// Set tags
$query = Database::prepare(Database::get(), "UPDATE ? SET tags = '?' WHERE id IN (?)", array(LYCHEE_TABLE_PHOTOS, $tags, $this->photoIDs));
$result = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
if ($result===false) return false;
return true;
}
/**
* Duplicates a photo.
* @return boolean Returns true when successful.
*/
public function duplicate() {
// Check dependencies
Validator::required(isset($this->photoIDs), __METHOD__);
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
// Init vars
$error = false;
// Get photos
$query = Database::prepare(Database::get(), "SELECT id, checksum FROM ? WHERE id IN (?)", array(LYCHEE_TABLE_PHOTOS, $this->photoIDs));
$photos = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
if ($photos===false) return false;
// For each photo
while ($photo = $photos->fetch_object()) {
// Generate id
$id = generateID();
// Duplicate entry
$values = array(LYCHEE_TABLE_PHOTOS, $id, LYCHEE_TABLE_PHOTOS, $photo->id);
$query = Database::prepare(Database::get(), "INSERT INTO ? (id, title, url, description, tags, type, width, height, size, iso, aperture, make, model, shutter, focal, takestamp, thumbUrl, album, public, star, checksum) SELECT '?' AS id, title, url, description, tags, type, width, height, size, iso, aperture, make, model, shutter, focal, takestamp, thumbUrl, album, public, star, checksum FROM ? WHERE id = '?'", $values);
$result = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
if ($result===false) $error = true;
}
if ($error===true) return false;
return true;
}
/**
* Deletes a photo with all its data and files.
* @return boolean Returns true when successful.
*/
public function delete() {
// Check dependencies
Validator::required(isset($this->photoIDs), __METHOD__);
// Call plugins
Plugins::get()->activate(__METHOD__, 0, func_get_args());
// Init vars
$error = false;
// Get photos
$query = Database::prepare(Database::get(), "SELECT id, url, thumbUrl, checksum FROM ? WHERE id IN (?)", array(LYCHEE_TABLE_PHOTOS, $this->photoIDs));
$photos = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
if ($photos===false) return false;
// For each photo
while ($photo = $photos->fetch_object()) {
// Check if other photos are referring to this images
// If so, only delete the db entry
if ($this->exists($photo->checksum, $photo->id)===false) {
// Get retina thumb url
$thumbUrl2x = explode(".", $photo->thumbUrl);
$thumbUrl2x = $thumbUrl2x[0] . '@2x.' . $thumbUrl2x[1];
// Delete big
if (file_exists(LYCHEE_UPLOADS_BIG . $photo->url)&&!unlink(LYCHEE_UPLOADS_BIG . $photo->url)) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Could not delete photo in uploads/big/');
$error = true;
}
// Delete medium
if (file_exists(LYCHEE_UPLOADS_MEDIUM . $photo->url)&&!unlink(LYCHEE_UPLOADS_MEDIUM . $photo->url)) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Could not delete photo in uploads/medium/');
$error = true;
}
// Delete thumb
if (file_exists(LYCHEE_UPLOADS_THUMB . $photo->thumbUrl)&&!unlink(LYCHEE_UPLOADS_THUMB . $photo->thumbUrl)) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Could not delete photo in uploads/thumb/');
$error = true;
}
// Delete thumb@2x
if (file_exists(LYCHEE_UPLOADS_THUMB . $thumbUrl2x)&&!unlink(LYCHEE_UPLOADS_THUMB . $thumbUrl2x)) {
Log::error(Database::get(), __METHOD__, __LINE__, 'Could not delete high-res photo in uploads/thumb/');
$error = true;
}
}
// Delete db entry
$query = Database::prepare(Database::get(), "DELETE FROM ? WHERE id = '?'", array(LYCHEE_TABLE_PHOTOS, $photo->id));
$result = Database::execute(Database::get(), $query, __METHOD__, __LINE__);
if ($result===false) $error = true;
}
// Call plugins
Plugins::get()->activate(__METHOD__, 1, func_get_args());
if ($error===true) return false;
return true;
}
}
?>