1079 lines
		
	
	
	
		
			26 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			1079 lines
		
	
	
	
		
			26 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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						|
/**
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						|
 * @file include/Photo.php
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						|
 * @brief This file contains the Photo class for image processing
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						|
 */
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						|
use Friendica\App;
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use Friendica\Core\System;
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						|
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						|
require_once("include/photos.php");
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						|
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class Photo {
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	private $image;
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						|
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	/*
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	 * Put back gd stuff, not everybody have Imagick
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						|
	 */
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	private $imagick;
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	private $width;
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	private $height;
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	private $valid;
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	private $type;
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	private $types;
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	/**
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						|
	 * @brief supported mimetypes and corresponding file extensions
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	 */
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						|
	static function supportedTypes() {
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		if (class_exists('Imagick')) {
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			// Imagick::queryFormats won't help us a lot there...
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			// At least, not yet, other parts of friendica uses this array
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			$t = array(
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				'image/jpeg' => 'jpg',
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				'image/png' => 'png',
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				'image/gif' => 'gif'
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			);
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		} else {
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			$t = array();
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			$t['image/jpeg'] ='jpg';
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			if (imagetypes() & IMG_PNG) {
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				$t['image/png'] = 'png';
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			}
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		}
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		return $t;
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	}
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	public function __construct($data, $type=null) {
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		$this->imagick = class_exists('Imagick');
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		$this->types = $this->supportedTypes();
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		if (!array_key_exists($type, $this->types)){
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			$type='image/jpeg';
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		}
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		$this->type = $type;
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		if ($this->is_imagick() && $this->load_data($data)) {
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			return true;
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		} else {
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			// Failed to load with Imagick, fallback
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			$this->imagick = false;
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		}
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		return $this->load_data($data);
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	}
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	public function __destruct() {
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		if ($this->image) {
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			if ($this->is_imagick()) {
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				$this->image->clear();
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				$this->image->destroy();
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				return;
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			}
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			if (is_resource($this->image)) {
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				imagedestroy($this->image);
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			}
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		}
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	}
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	public function is_imagick() {
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		return $this->imagick;
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	}
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	/**
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	 * @brief Maps Mime types to Imagick formats
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	 * @return arr With with image formats (mime type as key)
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	 */
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	public function get_FormatsMap() {
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		$m = array(
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			'image/jpeg' => 'JPG',
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			'image/png' => 'PNG',
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			'image/gif' => 'GIF'
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		);
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		return $m;
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	}
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	private function load_data($data) {
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		if ($this->is_imagick()) {
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			$this->image = new Imagick();
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			try {
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				$this->image->readImageBlob($data);
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			} catch (Exception $e) {
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				// Imagick couldn't use the data
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				return false;
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			}
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			/*
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			 * Setup the image to the format it will be saved to
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			 */
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			$map = $this->get_FormatsMap();
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			$format = $map[$type];
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			$this->image->setFormat($format);
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			// Always coalesce, if it is not a multi-frame image it won't hurt anyway
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			$this->image = $this->image->coalesceImages();
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			/*
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			 * setup the compression here, so we'll do it only once
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			 */
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			switch($this->getType()){
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				case "image/png":
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					$quality = get_config('system', 'png_quality');
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					if ((! $quality) || ($quality > 9)) {
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						$quality = PNG_QUALITY;
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					}
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					/*
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					 * From http://www.imagemagick.org/script/command-line-options.php#quality:
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					 *
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					 * 'For the MNG and PNG image formats, the quality value sets
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					 * the zlib compression level (quality / 10) and filter-type (quality % 10).
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					 * The default PNG "quality" is 75, which means compression level 7 with adaptive PNG filtering,
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					 * unless the image has a color map, in which case it means compression level 7 with no PNG filtering'
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					 */
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					$quality = $quality * 10;
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					$this->image->setCompressionQuality($quality);
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					break;
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				case "image/jpeg":
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					$quality = get_config('system', 'jpeg_quality');
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					if ((! $quality) || ($quality > 100)) {
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						$quality = JPEG_QUALITY;
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					}
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					$this->image->setCompressionQuality($quality);
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			}
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			// The 'width' and 'height' properties are only used by non-Imagick routines.
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			$this->width  = $this->image->getImageWidth();
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			$this->height = $this->image->getImageHeight();
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			$this->valid  = true;
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			return true;
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		}
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		$this->valid = false;
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		$this->image = @imagecreatefromstring($data);
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		if ($this->image !== false) {
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			$this->width  = imagesx($this->image);
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			$this->height = imagesy($this->image);
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			$this->valid  = true;
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			imagealphablending($this->image, false);
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			imagesavealpha($this->image, true);
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			return true;
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		}
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		return false;
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	}
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	public function is_valid() {
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		if ($this->is_imagick()) {
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			return ($this->image !== false);
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		}
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		return $this->valid;
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	}
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	public function getWidth() {
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		if (!$this->is_valid()) {
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			return false;
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		}
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		if ($this->is_imagick()) {
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			return $this->image->getImageWidth();
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		}
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		return $this->width;
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	}
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	public function getHeight() {
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		if (!$this->is_valid()) {
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			return false;
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		}
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		if ($this->is_imagick()) {
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			return $this->image->getImageHeight();
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		}
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		return $this->height;
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	}
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	public function getImage() {
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		if (!$this->is_valid()) {
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			return false;
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		}
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		if ($this->is_imagick()) {
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			/* Clean it */
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			$this->image = $this->image->deconstructImages();
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			return $this->image;
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		}
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		return $this->image;
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	}
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	public function getType() {
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		if (!$this->is_valid()) {
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			return false;
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		}
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		return $this->type;
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	}
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	public function getExt() {
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		if (!$this->is_valid()) {
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			return false;
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		}
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		return $this->types[$this->getType()];
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	}
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	public function scaleImage($max) {
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		if (!$this->is_valid()) {
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			return false;
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		}
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		$width = $this->getWidth();
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		$height = $this->getHeight();
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		$dest_width = $dest_height = 0;
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		if ((! $width)|| (! $height)) {
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			return false;
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		}
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		if ($width > $max && $height > $max) {
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			// very tall image (greater than 16:9)
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			// constrain the width - let the height float.
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			if ((($height * 9) / 16) > $width) {
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				$dest_width = $max;
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				$dest_height = intval(($height * $max) / $width);
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			} elseif ($width > $height) {
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				// else constrain both dimensions
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				$dest_width = $max;
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				$dest_height = intval(($height * $max) / $width);
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			} else {
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				$dest_width = intval(($width * $max) / $height);
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				$dest_height = $max;
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			}
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		} else {
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			if ($width > $max) {
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				$dest_width = $max;
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				$dest_height = intval(($height * $max) / $width);
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			} else {
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				if ($height > $max) {
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					// very tall image (greater than 16:9)
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					// but width is OK - don't do anything
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					if ((($height * 9) / 16) > $width) {
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						$dest_width = $width;
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						$dest_height = $height;
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					} else {
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						$dest_width = intval(($width * $max) / $height);
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						$dest_height = $max;
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					}
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				} else {
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					$dest_width = $width;
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					$dest_height = $height;
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				}
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			}
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		}
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		if ($this->is_imagick()) {
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			/*
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			 * If it is not animated, there will be only one iteration here,
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			 * so don't bother checking
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			 */
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			// Don't forget to go back to the first frame
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			$this->image->setFirstIterator();
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			do {
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				// FIXME - implement horizantal bias for scaling as in followin GD functions
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				// to allow very tall images to be constrained only horizontally.
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				$this->image->scaleImage($dest_width, $dest_height);
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			} while ($this->image->nextImage());
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			// These may not be necessary any more
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			$this->width  = $this->image->getImageWidth();
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			$this->height = $this->image->getImageHeight();
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			return;
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		}
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		$dest = imagecreatetruecolor($dest_width, $dest_height);
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		imagealphablending($dest, false);
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		imagesavealpha($dest, true);
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		if ($this->type=='image/png') {
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			imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
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		}
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		imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
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		if ($this->image) {
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			imagedestroy($this->image);
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		}
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		$this->image = $dest;
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		$this->width  = imagesx($this->image);
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		$this->height = imagesy($this->image);
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	}
 | 
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	public function rotate($degrees) {
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						|
		if (!$this->is_valid()) {
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			return false;
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						|
		}
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						|
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						|
		if ($this->is_imagick()) {
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						|
			$this->image->setFirstIterator();
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						|
			do {
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				$this->image->rotateImage(new ImagickPixel(), -$degrees); // ImageMagick rotates in the opposite direction of imagerotate()
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						|
			} while ($this->image->nextImage());
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			return;
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						|
		}
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		// if script dies at this point check memory_limit setting in php.ini
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		$this->image  = imagerotate($this->image,$degrees,0);
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						|
		$this->width  = imagesx($this->image);
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		$this->height = imagesy($this->image);
 | 
						|
	}
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						|
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						|
	public function flip($horiz = true, $vert = false) {
 | 
						|
		if (!$this->is_valid()) {
 | 
						|
			return false;
 | 
						|
		}
 | 
						|
 | 
						|
		if ($this->is_imagick()) {
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						|
			$this->image->setFirstIterator();
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						|
			do {
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						|
				if ($horiz) {
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					$this->image->flipImage();
 | 
						|
				}
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						|
				if ($vert) {
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					$this->image->flopImage();
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				}
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			} while ($this->image->nextImage());
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			return;
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						|
		}
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		$w = imagesx($this->image);
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		$h = imagesy($this->image);
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		$flipped = imagecreate($w, $h);
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						|
		if ($horiz) {
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						|
			for ($x = 0; $x < $w; $x++) {
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				imagecopy($flipped, $this->image, $x, 0, $w - $x - 1, 0, 1, $h);
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						|
			}
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						|
		}
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						|
		if ($vert) {
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						|
			for ($y = 0; $y < $h; $y++) {
 | 
						|
				imagecopy($flipped, $this->image, 0, $y, 0, $h - $y - 1, $w, 1);
 | 
						|
			}
 | 
						|
		}
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		$this->image = $flipped;
 | 
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	}
 | 
						|
 | 
						|
	public function orient($filename) {
 | 
						|
		if ($this->is_imagick()) {
 | 
						|
			// based off comment on http://php.net/manual/en/imagick.getimageorientation.php
 | 
						|
			$orientation = $this->image->getImageOrientation();
 | 
						|
			switch ($orientation) {
 | 
						|
			case imagick::ORIENTATION_BOTTOMRIGHT:
 | 
						|
				$this->image->rotateimage("#000", 180);
 | 
						|
				break;
 | 
						|
			case imagick::ORIENTATION_RIGHTTOP:
 | 
						|
				$this->image->rotateimage("#000", 90);
 | 
						|
				break;
 | 
						|
			case imagick::ORIENTATION_LEFTBOTTOM:
 | 
						|
				$this->image->rotateimage("#000", -90);
 | 
						|
				break;
 | 
						|
			}
 | 
						|
 | 
						|
			$this->image->setImageOrientation(imagick::ORIENTATION_TOPLEFT);
 | 
						|
			return true;
 | 
						|
		}
 | 
						|
		// based off comment on http://php.net/manual/en/function.imagerotate.php
 | 
						|
 | 
						|
		if (!$this->is_valid()) {
 | 
						|
			return false;
 | 
						|
		}
 | 
						|
 | 
						|
		if ((!function_exists('exif_read_data')) || ($this->getType() !== 'image/jpeg')) {
 | 
						|
			return;
 | 
						|
		}
 | 
						|
 | 
						|
		$exif = @exif_read_data($filename,null,true);
 | 
						|
		if (!$exif) {
 | 
						|
			return;
 | 
						|
		}
 | 
						|
 | 
						|
		$ort = $exif['IFD0']['Orientation'];
 | 
						|
 | 
						|
		switch($ort)
 | 
						|
		{
 | 
						|
			case 1: // nothing
 | 
						|
				break;
 | 
						|
 | 
						|
			case 2: // horizontal flip
 | 
						|
				$this->flip();
 | 
						|
				break;
 | 
						|
 | 
						|
			case 3: // 180 rotate left
 | 
						|
				$this->rotate(180);
 | 
						|
				break;
 | 
						|
 | 
						|
			case 4: // vertical flip
 | 
						|
				$this->flip(false, true);
 | 
						|
				break;
 | 
						|
 | 
						|
			case 5: // vertical flip + 90 rotate right
 | 
						|
				$this->flip(false, true);
 | 
						|
				$this->rotate(-90);
 | 
						|
				break;
 | 
						|
 | 
						|
			case 6: // 90 rotate right
 | 
						|
				$this->rotate(-90);
 | 
						|
				break;
 | 
						|
 | 
						|
			case 7: // horizontal flip + 90 rotate right
 | 
						|
				$this->flip();
 | 
						|
				$this->rotate(-90);
 | 
						|
				break;
 | 
						|
 | 
						|
			case 8: // 90 rotate left
 | 
						|
				$this->rotate(90);
 | 
						|
				break;
 | 
						|
		}
 | 
						|
 | 
						|
		//	logger('exif: ' . print_r($exif,true));
 | 
						|
		return $exif;
 | 
						|
 | 
						|
	}
 | 
						|
 | 
						|
 | 
						|
 | 
						|
	public function scaleImageUp($min) {
 | 
						|
		if (!$this->is_valid()) {
 | 
						|
			return false;
 | 
						|
		}
 | 
						|
 | 
						|
 | 
						|
		$width = $this->getWidth();
 | 
						|
		$height = $this->getHeight();
 | 
						|
 | 
						|
		$dest_width = $dest_height = 0;
 | 
						|
 | 
						|
		if ((!$width)|| (!$height)) {
 | 
						|
			return false;
 | 
						|
		}
 | 
						|
 | 
						|
		if ($width < $min && $height < $min) {
 | 
						|
			if ($width > $height) {
 | 
						|
				$dest_width = $min;
 | 
						|
				$dest_height = intval(($height * $min) / $width);
 | 
						|
			} else {
 | 
						|
				$dest_width = intval(($width * $min) / $height);
 | 
						|
				$dest_height = $min;
 | 
						|
			}
 | 
						|
		} else {
 | 
						|
			if ($width < $min) {
 | 
						|
				$dest_width = $min;
 | 
						|
				$dest_height = intval(($height * $min) / $width);
 | 
						|
			} else {
 | 
						|
				if ($height < $min) {
 | 
						|
					$dest_width = intval(($width * $min) / $height);
 | 
						|
					$dest_height = $min;
 | 
						|
				} else {
 | 
						|
					$dest_width = $width;
 | 
						|
					$dest_height = $height;
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if ($this->is_imagick()) {
 | 
						|
			return $this->scaleImage($dest_width, $dest_height);
 | 
						|
		}
 | 
						|
 | 
						|
		$dest = imagecreatetruecolor($dest_width, $dest_height);
 | 
						|
		imagealphablending($dest, false);
 | 
						|
		imagesavealpha($dest, true);
 | 
						|
		if ($this->type=='image/png') {
 | 
						|
			imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
 | 
						|
		}
 | 
						|
		imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
 | 
						|
		if ($this->image) {
 | 
						|
			imagedestroy($this->image);
 | 
						|
		}
 | 
						|
		$this->image = $dest;
 | 
						|
		$this->width  = imagesx($this->image);
 | 
						|
		$this->height = imagesy($this->image);
 | 
						|
	}
 | 
						|
 | 
						|
 | 
						|
 | 
						|
	public function scaleImageSquare($dim) {
 | 
						|
		if (!$this->is_valid()) {
 | 
						|
			return false;
 | 
						|
		}
 | 
						|
 | 
						|
		if ($this->is_imagick()) {
 | 
						|
			$this->image->setFirstIterator();
 | 
						|
			do {
 | 
						|
				$this->image->scaleImage($dim, $dim);
 | 
						|
			} while ($this->image->nextImage());
 | 
						|
			return;
 | 
						|
		}
 | 
						|
 | 
						|
		$dest = imagecreatetruecolor($dim, $dim);
 | 
						|
		imagealphablending($dest, false);
 | 
						|
		imagesavealpha($dest, true);
 | 
						|
		if ($this->type=='image/png') {
 | 
						|
			imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
 | 
						|
		}
 | 
						|
		imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dim, $dim, $this->width, $this->height);
 | 
						|
		if ($this->image) {
 | 
						|
			imagedestroy($this->image);
 | 
						|
		}
 | 
						|
		$this->image = $dest;
 | 
						|
		$this->width  = imagesx($this->image);
 | 
						|
		$this->height = imagesy($this->image);
 | 
						|
	}
 | 
						|
 | 
						|
 | 
						|
	public function cropImage($max, $x, $y, $w, $h) {
 | 
						|
		if (!$this->is_valid()) {
 | 
						|
			return false;
 | 
						|
		}
 | 
						|
 | 
						|
		if ($this->is_imagick()) {
 | 
						|
			$this->image->setFirstIterator();
 | 
						|
			do {
 | 
						|
				$this->image->cropImage($w, $h, $x, $y);
 | 
						|
				/*
 | 
						|
				 * We need to remove the canva,
 | 
						|
				 * or the image is not resized to the crop:
 | 
						|
				 * http://php.net/manual/en/imagick.cropimage.php#97232
 | 
						|
				 */
 | 
						|
				$this->image->setImagePage(0, 0, 0, 0);
 | 
						|
			} while ($this->image->nextImage());
 | 
						|
			return $this->scaleImage($max);
 | 
						|
		}
 | 
						|
 | 
						|
		$dest = imagecreatetruecolor($max, $max);
 | 
						|
		imagealphablending($dest, false);
 | 
						|
		imagesavealpha($dest, true);
 | 
						|
		if ($this->type=='image/png') {
 | 
						|
			imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
 | 
						|
		}
 | 
						|
		imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $max, $max, $w, $h);
 | 
						|
		if ($this->image) {
 | 
						|
			imagedestroy($this->image);
 | 
						|
		}
 | 
						|
		$this->image = $dest;
 | 
						|
		$this->width  = imagesx($this->image);
 | 
						|
		$this->height = imagesy($this->image);
 | 
						|
	}
 | 
						|
 | 
						|
	public function saveImage($path) {
 | 
						|
		if (!$this->is_valid()) {
 | 
						|
			return false;
 | 
						|
		}
 | 
						|
 | 
						|
		$string = $this->imageString();
 | 
						|
 | 
						|
		$a = get_app();
 | 
						|
 | 
						|
		$stamp1 = microtime(true);
 | 
						|
		file_put_contents($path, $string);
 | 
						|
		$a->save_timestamp($stamp1, "file");
 | 
						|
	}
 | 
						|
 | 
						|
	public function imageString() {
 | 
						|
		if (!$this->is_valid()) {
 | 
						|
			return false;
 | 
						|
		}
 | 
						|
 | 
						|
		if ($this->is_imagick()) {
 | 
						|
			/* Clean it */
 | 
						|
			$this->image = $this->image->deconstructImages();
 | 
						|
			$string = $this->image->getImagesBlob();
 | 
						|
			return $string;
 | 
						|
		}
 | 
						|
 | 
						|
		$quality = false;
 | 
						|
 | 
						|
		ob_start();
 | 
						|
 | 
						|
		// Enable interlacing
 | 
						|
		imageinterlace($this->image, true);
 | 
						|
 | 
						|
		switch($this->getType()){
 | 
						|
			case "image/png":
 | 
						|
				$quality = get_config('system', 'png_quality');
 | 
						|
				if ((!$quality) || ($quality > 9)) {
 | 
						|
					$quality = PNG_QUALITY;
 | 
						|
				}
 | 
						|
				imagepng($this->image, null, $quality);
 | 
						|
				break;
 | 
						|
			case "image/jpeg":
 | 
						|
				$quality = get_config('system', 'jpeg_quality');
 | 
						|
				if ((!$quality) || ($quality > 100)) {
 | 
						|
					$quality = JPEG_QUALITY;
 | 
						|
				}
 | 
						|
				imagejpeg($this->image, null, $quality);
 | 
						|
		}
 | 
						|
		$string = ob_get_contents();
 | 
						|
		ob_end_clean();
 | 
						|
 | 
						|
		return $string;
 | 
						|
	}
 | 
						|
 | 
						|
 | 
						|
 | 
						|
	public function store($uid, $cid, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = '', $allow_gid = '', $deny_cid = '', $deny_gid = '', $desc = '') {
 | 
						|
 | 
						|
		$r = dba::select('photo', array('guid'), array("`resource-id` = ? AND `guid` != ?", $rid, ''), array('limit' => 1));
 | 
						|
		if (dbm::is_result($r)) {
 | 
						|
			$guid = $r['guid'];
 | 
						|
		} else {
 | 
						|
			$guid = get_guid();
 | 
						|
		}
 | 
						|
 | 
						|
		$x = dba::select('photo', array('id'), array('resource-id' => $rid, 'uid' => $uid, 'contact-id' => $cid, 'scale' => $scale), array('limit' => 1));
 | 
						|
 | 
						|
		$fields = array('uid' => $uid, 'contact-id' => $cid, 'guid' => $guid, 'resource-id' => $rid, 'created' => datetime_convert(), 'edited' => datetime_convert(),
 | 
						|
				'filename' => basename($filename), 'type' => $this->getType(), 'album' => $album, 'height' => $this->getHeight(), 'width' => $this->getWidth(),
 | 
						|
				'datasize' => strlen($this->imageString()), 'data' => $this->imageString(), 'scale' => $scale, 'profile' => $profile,
 | 
						|
				'allow_cid' => $allow_cid, 'allow_gid' => $allow_gid, 'deny_cid' => $deny_cid, 'deny_gid' => $deny_gid, 'desc' => $desc);
 | 
						|
 | 
						|
		if (dbm::is_result($x)) {
 | 
						|
			$r = dba::update('photo', $fields, array('id' => $x['id']));
 | 
						|
		} else {
 | 
						|
			$r = dba::insert('photo', $fields);
 | 
						|
		}
 | 
						|
 | 
						|
		return $r;
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * Guess image mimetype from filename or from Content-Type header
 | 
						|
 *
 | 
						|
 * @arg $filename string Image filename
 | 
						|
 * @arg $fromcurl boolean Check Content-Type header from curl request
 | 
						|
 */
 | 
						|
function guess_image_type($filename, $fromcurl=false) {
 | 
						|
	logger('Photo: guess_image_type: '.$filename . ($fromcurl?' from curl headers':''), LOGGER_DEBUG);
 | 
						|
	$type = null;
 | 
						|
	if ($fromcurl) {
 | 
						|
		$a = get_app();
 | 
						|
		$headers=array();
 | 
						|
		$h = explode("\n",$a->get_curl_headers());
 | 
						|
		foreach ($h as $l) {
 | 
						|
			list($k,$v) = array_map("trim", explode(":", trim($l), 2));
 | 
						|
			$headers[$k] = $v;
 | 
						|
		}
 | 
						|
		if (array_key_exists('Content-Type', $headers))
 | 
						|
			$type = $headers['Content-Type'];
 | 
						|
	}
 | 
						|
	if (is_null($type)){
 | 
						|
		// Guessing from extension? Isn't that... dangerous?
 | 
						|
		if (class_exists('Imagick') && file_exists($filename) && is_readable($filename)) {
 | 
						|
			/**
 | 
						|
			 * Well, this not much better,
 | 
						|
			 * but at least it comes from the data inside the image,
 | 
						|
			 * we won't be tricked by a manipulated extension
 | 
						|
			 */
 | 
						|
			$image = new Imagick($filename);
 | 
						|
			$type = $image->getImageMimeType();
 | 
						|
			$image->setInterlaceScheme(Imagick::INTERLACE_PLANE);
 | 
						|
		} else {
 | 
						|
			$ext = pathinfo($filename, PATHINFO_EXTENSION);
 | 
						|
			$types = Photo::supportedTypes();
 | 
						|
			$type = "image/jpeg";
 | 
						|
			foreach ($types as $m => $e){
 | 
						|
				if ($ext == $e) {
 | 
						|
					$type = $m;
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
	logger('Photo: guess_image_type: type='.$type, LOGGER_DEBUG);
 | 
						|
	return $type;
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Updates the avatar links in a contact only if needed
 | 
						|
 *
 | 
						|
 * @param string $avatar Link to avatar picture
 | 
						|
 * @param int $uid User id of contact owner
 | 
						|
 * @param int $cid Contact id
 | 
						|
 * @param bool $force force picture update
 | 
						|
 *
 | 
						|
 * @return array Returns array of the different avatar sizes
 | 
						|
 */
 | 
						|
function update_contact_avatar($avatar, $uid, $cid, $force = false) {
 | 
						|
	$r = q("SELECT `avatar`, `photo`, `thumb`, `micro`, `nurl` FROM `contact` WHERE `id` = %d LIMIT 1", intval($cid));
 | 
						|
	if (!dbm::is_result($r)) {
 | 
						|
		return false;
 | 
						|
	} else {
 | 
						|
		$data = array($r[0]["photo"], $r[0]["thumb"], $r[0]["micro"]);
 | 
						|
	}
 | 
						|
 | 
						|
	if (($r[0]["avatar"] != $avatar) || $force) {
 | 
						|
		$photos = import_profile_photo($avatar, $uid, $cid, true);
 | 
						|
 | 
						|
		if ($photos) {
 | 
						|
			q("UPDATE `contact` SET `avatar` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' WHERE `id` = %d",
 | 
						|
				dbesc($avatar), dbesc($photos[0]), dbesc($photos[1]), dbesc($photos[2]),
 | 
						|
				dbesc(datetime_convert()), intval($cid));
 | 
						|
 | 
						|
			// Update the public contact (contact id = 0)
 | 
						|
			if ($uid != 0) {
 | 
						|
				$pcontact = dba::select('contact', array('id'), array('nurl' => $r[0]['nurl']), array('limit' => 1));
 | 
						|
				if (dbm::is_result($pcontact)) {
 | 
						|
					update_contact_avatar($avatar, 0, $pcontact['id'], $force);
 | 
						|
				}
 | 
						|
			}
 | 
						|
 | 
						|
			return $photos;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	return $data;
 | 
						|
}
 | 
						|
 | 
						|
function import_profile_photo($photo, $uid, $cid, $quit_on_error = false) {
 | 
						|
 | 
						|
	$r = q("SELECT `resource-id` FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `scale` = 4 AND `album` = 'Contact Photos' LIMIT 1",
 | 
						|
		intval($uid),
 | 
						|
		intval($cid)
 | 
						|
	);
 | 
						|
	if (dbm::is_result($r) && strlen($r[0]['resource-id'])) {
 | 
						|
		$hash = $r[0]['resource-id'];
 | 
						|
	} else {
 | 
						|
		$hash = photo_new_resource();
 | 
						|
	}
 | 
						|
 | 
						|
	$photo_failure = false;
 | 
						|
 | 
						|
	$filename = basename($photo);
 | 
						|
	$img_str = fetch_url($photo, true);
 | 
						|
 | 
						|
	if ($quit_on_error && ($img_str == "")) {
 | 
						|
		return false;
 | 
						|
	}
 | 
						|
 | 
						|
	$type = guess_image_type($photo, true);
 | 
						|
	$img = new Photo($img_str, $type);
 | 
						|
	if ($img->is_valid()) {
 | 
						|
 | 
						|
		$img->scaleImageSquare(175);
 | 
						|
 | 
						|
		$r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 4);
 | 
						|
 | 
						|
		if ($r === false)
 | 
						|
			$photo_failure = true;
 | 
						|
 | 
						|
		$img->scaleImage(80);
 | 
						|
 | 
						|
		$r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 5);
 | 
						|
 | 
						|
		if ($r === false)
 | 
						|
			$photo_failure = true;
 | 
						|
 | 
						|
		$img->scaleImage(48);
 | 
						|
 | 
						|
		$r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 6);
 | 
						|
 | 
						|
		if ($r === false) {
 | 
						|
			$photo_failure = true;
 | 
						|
		}
 | 
						|
 | 
						|
		$suffix = '?ts='.time();
 | 
						|
 | 
						|
		$photo = System::baseUrl() . '/photo/' . $hash . '-4.' . $img->getExt() . $suffix;
 | 
						|
		$thumb = System::baseUrl() . '/photo/' . $hash . '-5.' . $img->getExt() . $suffix;
 | 
						|
		$micro = System::baseUrl() . '/photo/' . $hash . '-6.' . $img->getExt() . $suffix;
 | 
						|
 | 
						|
		// Remove the cached photo
 | 
						|
		$a = get_app();
 | 
						|
		$basepath = $a->get_basepath();
 | 
						|
 | 
						|
		if (is_dir($basepath."/photo")) {
 | 
						|
			$filename = $basepath.'/photo/'.$hash.'-4.'.$img->getExt();
 | 
						|
			if (file_exists($filename)) {
 | 
						|
				unlink($filename);
 | 
						|
			}
 | 
						|
			$filename = $basepath.'/photo/'.$hash.'-5.'.$img->getExt();
 | 
						|
			if (file_exists($filename)) {
 | 
						|
				unlink($filename);
 | 
						|
			}
 | 
						|
			$filename = $basepath.'/photo/'.$hash.'-6.'.$img->getExt();
 | 
						|
			if (file_exists($filename)) {
 | 
						|
				unlink($filename);
 | 
						|
			}
 | 
						|
		}
 | 
						|
	} else {
 | 
						|
		$photo_failure = true;
 | 
						|
	}
 | 
						|
 | 
						|
	if ($photo_failure && $quit_on_error) {
 | 
						|
		return false;
 | 
						|
	}
 | 
						|
 | 
						|
	if ($photo_failure) {
 | 
						|
		$photo = System::baseUrl() . '/images/person-175.jpg';
 | 
						|
		$thumb = System::baseUrl() . '/images/person-80.jpg';
 | 
						|
		$micro = System::baseUrl() . '/images/person-48.jpg';
 | 
						|
	}
 | 
						|
 | 
						|
	return(array($photo,$thumb,$micro));
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
function get_photo_info($url) {
 | 
						|
	$data = array();
 | 
						|
 | 
						|
	$data = Cache::get($url);
 | 
						|
 | 
						|
	if (is_null($data) || !$data || !is_array($data)) {
 | 
						|
		$img_str = fetch_url($url, true, $redirects, 4);
 | 
						|
		$filesize = strlen($img_str);
 | 
						|
 | 
						|
		if (function_exists("getimagesizefromstring")) {
 | 
						|
			$data = getimagesizefromstring($img_str);
 | 
						|
		} else {
 | 
						|
			$tempfile = tempnam(get_temppath(), "cache");
 | 
						|
 | 
						|
			$a = get_app();
 | 
						|
			$stamp1 = microtime(true);
 | 
						|
			file_put_contents($tempfile, $img_str);
 | 
						|
			$a->save_timestamp($stamp1, "file");
 | 
						|
 | 
						|
			$data = getimagesize($tempfile);
 | 
						|
			unlink($tempfile);
 | 
						|
		}
 | 
						|
 | 
						|
		if ($data) {
 | 
						|
			$data["size"] = $filesize;
 | 
						|
		}
 | 
						|
 | 
						|
		Cache::set($url, $data);
 | 
						|
	}
 | 
						|
 | 
						|
	return $data;
 | 
						|
}
 | 
						|
 | 
						|
function scale_image($width, $height, $max) {
 | 
						|
 | 
						|
	$dest_width = $dest_height = 0;
 | 
						|
 | 
						|
	if ((!$width) || (!$height)) {
 | 
						|
		return false;
 | 
						|
	}
 | 
						|
 | 
						|
	if ($width > $max && $height > $max) {
 | 
						|
 | 
						|
		// very tall image (greater than 16:9)
 | 
						|
		// constrain the width - let the height float.
 | 
						|
 | 
						|
		if ((($height * 9) / 16) > $width) {
 | 
						|
			$dest_width = $max;
 | 
						|
			$dest_height = intval(($height * $max) / $width);
 | 
						|
		} elseif ($width > $height) {
 | 
						|
			// else constrain both dimensions
 | 
						|
			$dest_width = $max;
 | 
						|
			$dest_height = intval(($height * $max) / $width);
 | 
						|
		} else {
 | 
						|
			$dest_width = intval(($width * $max) / $height);
 | 
						|
			$dest_height = $max;
 | 
						|
		}
 | 
						|
	} else {
 | 
						|
		if ($width > $max) {
 | 
						|
			$dest_width = $max;
 | 
						|
			$dest_height = intval(($height * $max) / $width);
 | 
						|
		} else {
 | 
						|
			if ($height > $max) {
 | 
						|
 | 
						|
				// very tall image (greater than 16:9)
 | 
						|
				// but width is OK - don't do anything
 | 
						|
 | 
						|
				if ((($height * 9) / 16) > $width) {
 | 
						|
					$dest_width = $width;
 | 
						|
					$dest_height = $height;
 | 
						|
				} else {
 | 
						|
					$dest_width = intval(($width * $max) / $height);
 | 
						|
					$dest_height = $max;
 | 
						|
				}
 | 
						|
			} else {
 | 
						|
				$dest_width = $width;
 | 
						|
				$dest_height = $height;
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
	return array("width" => $dest_width, "height" => $dest_height);
 | 
						|
}
 | 
						|
 | 
						|
function store_photo(App $a, $uid, $imagedata = "", $url = "") {
 | 
						|
	$r = q("SELECT `user`.`nickname`, `user`.`page-flags`, `contact`.`id` FROM `user` INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
 | 
						|
		WHERE `user`.`uid` = %d AND `user`.`blocked` = 0 AND `contact`.`self` = 1 LIMIT 1",
 | 
						|
		intval($uid));
 | 
						|
 | 
						|
	if (!dbm::is_result($r)) {
 | 
						|
		logger("Can't detect user data for uid ".$uid, LOGGER_DEBUG);
 | 
						|
		return(array());
 | 
						|
	}
 | 
						|
 | 
						|
	$page_owner_nick  = $r[0]['nickname'];
 | 
						|
 | 
						|
	/// @TODO
 | 
						|
	/// $default_cid      = $r[0]['id'];
 | 
						|
	/// $community_page   = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
 | 
						|
 | 
						|
	if ((strlen($imagedata) == 0) && ($url == "")) {
 | 
						|
		logger("No image data and no url provided", LOGGER_DEBUG);
 | 
						|
		return(array());
 | 
						|
	} elseif (strlen($imagedata) == 0) {
 | 
						|
		logger("Uploading picture from ".$url, LOGGER_DEBUG);
 | 
						|
 | 
						|
		$stamp1 = microtime(true);
 | 
						|
		$imagedata = @file_get_contents($url);
 | 
						|
		$a->save_timestamp($stamp1, "file");
 | 
						|
	}
 | 
						|
 | 
						|
	$maximagesize = get_config('system', 'maximagesize');
 | 
						|
 | 
						|
	if (($maximagesize) && (strlen($imagedata) > $maximagesize)) {
 | 
						|
		logger("Image exceeds size limit of ".$maximagesize, LOGGER_DEBUG);
 | 
						|
		return(array());
 | 
						|
	}
 | 
						|
 | 
						|
/*
 | 
						|
	$r = q("select sum(octet_length(data)) as total from photo where uid = %d and scale = 0 and album != 'Contact Photos' ",
 | 
						|
		intval($uid)
 | 
						|
	);
 | 
						|
 | 
						|
	$limit = service_class_fetch($uid,'photo_upload_limit');
 | 
						|
 | 
						|
	if (($limit !== false) && (($r[0]['total'] + strlen($imagedata)) > $limit)) {
 | 
						|
		logger("Image exceeds personal limit of uid ".$uid, LOGGER_DEBUG);
 | 
						|
		return(array());
 | 
						|
	}
 | 
						|
*/
 | 
						|
 | 
						|
	$tempfile = tempnam(get_temppath(), "cache");
 | 
						|
 | 
						|
	$stamp1 = microtime(true);
 | 
						|
	file_put_contents($tempfile, $imagedata);
 | 
						|
	$a->save_timestamp($stamp1, "file");
 | 
						|
 | 
						|
	$data = getimagesize($tempfile);
 | 
						|
 | 
						|
	if (!isset($data["mime"])) {
 | 
						|
		unlink($tempfile);
 | 
						|
		logger("File is no picture", LOGGER_DEBUG);
 | 
						|
		return(array());
 | 
						|
	}
 | 
						|
 | 
						|
	$ph = new Photo($imagedata, $data["mime"]);
 | 
						|
 | 
						|
	if (!$ph->is_valid()) {
 | 
						|
		unlink($tempfile);
 | 
						|
		logger("Picture is no valid picture", LOGGER_DEBUG);
 | 
						|
		return(array());
 | 
						|
	}
 | 
						|
 | 
						|
	$ph->orient($tempfile);
 | 
						|
	unlink($tempfile);
 | 
						|
 | 
						|
	$max_length = get_config('system', 'max_image_length');
 | 
						|
	if (! $max_length) {
 | 
						|
		$max_length = MAX_IMAGE_LENGTH;
 | 
						|
	}
 | 
						|
	if ($max_length > 0) {
 | 
						|
		$ph->scaleImage($max_length);
 | 
						|
	}
 | 
						|
 | 
						|
	$width = $ph->getWidth();
 | 
						|
	$height = $ph->getHeight();
 | 
						|
 | 
						|
	$hash = photo_new_resource();
 | 
						|
 | 
						|
	$smallest = 0;
 | 
						|
 | 
						|
	// Pictures are always public by now
 | 
						|
	//$defperm = '<'.$default_cid.'>';
 | 
						|
	$defperm = "";
 | 
						|
	$visitor = 0;
 | 
						|
 | 
						|
	$r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 0, 0, $defperm);
 | 
						|
 | 
						|
	if (!$r) {
 | 
						|
		logger("Picture couldn't be stored", LOGGER_DEBUG);
 | 
						|
		return(array());
 | 
						|
	}
 | 
						|
 | 
						|
	$image = array("page" => System::baseUrl().'/photos/'.$page_owner_nick.'/image/'.$hash,
 | 
						|
			"full" => System::baseUrl()."/photo/{$hash}-0.".$ph->getExt());
 | 
						|
 | 
						|
	if ($width > 800 || $height > 800) {
 | 
						|
		$image["large"] = System::baseUrl()."/photo/{$hash}-0.".$ph->getExt();
 | 
						|
	}
 | 
						|
 | 
						|
	if ($width > 640 || $height > 640) {
 | 
						|
		$ph->scaleImage(640);
 | 
						|
		$r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 1, 0, $defperm);
 | 
						|
		if ($r) {
 | 
						|
			$image["medium"] = System::baseUrl()."/photo/{$hash}-1.".$ph->getExt();
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if ($width > 320 || $height > 320) {
 | 
						|
		$ph->scaleImage(320);
 | 
						|
		$r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 2, 0, $defperm);
 | 
						|
		if ($r) {
 | 
						|
			$image["small"] = System::baseUrl()."/photo/{$hash}-2.".$ph->getExt();
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if ($width > 160 && $height > 160) {
 | 
						|
		$x = 0;
 | 
						|
		$y = 0;
 | 
						|
 | 
						|
		$min = $ph->getWidth();
 | 
						|
		if ($min > 160) {
 | 
						|
			$x = ($min - 160) / 2;
 | 
						|
		}
 | 
						|
 | 
						|
		if ($ph->getHeight() < $min) {
 | 
						|
			$min = $ph->getHeight();
 | 
						|
			if ($min > 160) {
 | 
						|
				$y = ($min - 160) / 2;
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		$min = 160;
 | 
						|
		$ph->cropImage(160, $x, $y, $min, $min);
 | 
						|
 | 
						|
		$r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 3, 0, $defperm);
 | 
						|
		if ($r) {
 | 
						|
			$image["thumb"] = System::baseUrl()."/photo/{$hash}-3.".$ph->getExt();
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	// Set the full image as preview image. This will be overwritten, if the picture is larger than 640.
 | 
						|
	$image["preview"] = $image["full"];
 | 
						|
 | 
						|
	// Deactivated, since that would result in a cropped preview, if the picture wasn't larger than 320
 | 
						|
	//if (isset($image["thumb"]))
 | 
						|
	//	$image["preview"] = $image["thumb"];
 | 
						|
 | 
						|
	// Unsure, if this should be activated or deactivated
 | 
						|
	//if (isset($image["small"]))
 | 
						|
	//	$image["preview"] = $image["small"];
 | 
						|
 | 
						|
	if (isset($image["medium"])) {
 | 
						|
		$image["preview"] = $image["medium"];
 | 
						|
	}
 | 
						|
 | 
						|
	return($image);
 | 
						|
}
 |