732 lines
20 KiB
PHP
732 lines
20 KiB
PHP
<?php
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/**
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* @file src/Model/Photo.php
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* @brief This file contains the Photo class for database interface
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*/
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namespace Friendica\Model;
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use Friendica\Core\Cache;
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use Friendica\Core\Config;
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use Friendica\Core\L10n;
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use Friendica\Core\Logger;
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use Friendica\Core\System;
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use Friendica\Database\DBA;
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use Friendica\Database\DBStructure;
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use Friendica\DI;
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use Friendica\Model\Storage\SystemResource;
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use Friendica\Object\Image;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Images;
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use Friendica\Util\Network;
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use Friendica\Util\Security;
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use Friendica\Util\Strings;
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require_once "include/dba.php";
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/**
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* Class to handle photo dabatase table
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*/
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class Photo
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{
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/**
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* @brief Select rows from the photo table and returns them as array
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*
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* @param array $fields Array of selected fields, empty for all
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* @param array $conditions Array of fields for conditions
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* @param array $params Array of several parameters
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*
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* @return boolean|array
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*
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* @throws \Exception
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* @see \Friendica\Database\DBA::selectToArray
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*/
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public static function selectToArray(array $fields = [], array $conditions = [], array $params = [])
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{
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if (empty($fields)) {
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$fields = self::getFields();
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}
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return DBA::selectToArray('photo', $fields, $conditions, $params);
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}
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/**
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* @brief Retrieve a single record from the photo table
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*
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* @param array $fields Array of selected fields, empty for all
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* @param array $conditions Array of fields for conditions
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* @param array $params Array of several parameters
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*
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* @return bool|array
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*
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* @throws \Exception
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* @see \Friendica\Database\DBA::select
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*/
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public static function selectFirst(array $fields = [], array $conditions = [], array $params = [])
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{
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if (empty($fields)) {
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$fields = self::getFields();
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}
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return DBA::selectFirst("photo", $fields, $conditions, $params);
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}
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/**
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* @brief Get photos for user id
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*
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* @param integer $uid User id
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* @param string $resourceid Rescource ID of the photo
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* @param array $conditions Array of fields for conditions
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* @param array $params Array of several parameters
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*
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* @return bool|array
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*
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* @throws \Exception
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* @see \Friendica\Database\DBA::select
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*/
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public static function getPhotosForUser($uid, $resourceid, array $conditions = [], array $params = [])
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{
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$conditions["resource-id"] = $resourceid;
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$conditions["uid"] = $uid;
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return self::selectToArray([], $conditions, $params);
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}
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/**
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* @brief Get a photo for user id
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*
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* @param integer $uid User id
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* @param string $resourceid Rescource ID of the photo
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* @param integer $scale Scale of the photo. Defaults to 0
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* @param array $conditions Array of fields for conditions
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* @param array $params Array of several parameters
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*
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* @return bool|array
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*
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* @throws \Exception
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* @see \Friendica\Database\DBA::select
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*/
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public static function getPhotoForUser($uid, $resourceid, $scale = 0, array $conditions = [], array $params = [])
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{
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$conditions["resource-id"] = $resourceid;
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$conditions["uid"] = $uid;
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$conditions["scale"] = $scale;
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return self::selectFirst([], $conditions, $params);
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}
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/**
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* @brief Get a single photo given resource id and scale
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*
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* This method checks for permissions. Returns associative array
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* on success, "no sign" image info, if user has no permission,
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* false if photo does not exists
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*
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* @param string $resourceid Rescource ID of the photo
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* @param integer $scale Scale of the photo. Defaults to 0
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*
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* @return boolean|array
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* @throws \Exception
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*/
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public static function getPhoto($resourceid, $scale = 0)
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{
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$r = self::selectFirst(["uid"], ["resource-id" => $resourceid]);
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if (!DBA::isResult($r)) {
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return false;
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}
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$uid = $r["uid"];
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$sql_acl = Security::getPermissionsSQLByUserId($uid);
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$conditions = ["`resource-id` = ? AND `scale` <= ? " . $sql_acl, $resourceid, $scale];
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$params = ["order" => ["scale" => true]];
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$photo = self::selectFirst([], $conditions, $params);
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return $photo;
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}
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/**
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* @brief Check if photo with given conditions exists
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*
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* @param array $conditions Array of extra conditions
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*
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* @return boolean
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* @throws \Exception
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*/
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public static function exists(array $conditions)
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{
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return DBA::exists("photo", $conditions);
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}
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/**
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* @brief Get Image object for given row id. null if row id does not exist
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*
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* @param array $photo Photo data. Needs at least 'id', 'type', 'backend-class', 'backend-ref'
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*
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* @return \Friendica\Object\Image
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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public static function getImageForPhoto(array $photo)
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{
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if (empty($photo['backend-class'])) {
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// legacy data storage in "data" column
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$i = self::selectFirst(['data'], ['id' => $photo['id']]);
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if ($i === false) {
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return null;
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}
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$data = $i['data'];
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} else {
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$backendClass = DI::facStorage()->getByName($photo['backend-class'] ?? '');
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$backendRef = $photo['backend-ref'] ?? '';
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$data = $backendClass->get($backendRef);
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}
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if (empty($data)) {
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return null;
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}
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return new Image($data, $photo['type']);
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}
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/**
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* @brief Return a list of fields that are associated with the photo table
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*
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* @return array field list
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* @throws \Exception
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*/
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private static function getFields()
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{
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$allfields = DBStructure::definition(DI::app()->getBasePath(), false);
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$fields = array_keys($allfields["photo"]["fields"]);
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array_splice($fields, array_search("data", $fields), 1);
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return $fields;
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}
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/**
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* @brief Construct a photo array for a system resource image
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*
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* @param string $filename Image file name relative to code root
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* @param string $mimetype Image mime type. Defaults to "image/jpeg"
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*
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* @return array
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* @throws \Exception
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*/
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public static function createPhotoForSystemResource($filename, $mimetype = "image/jpeg")
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{
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$fields = self::getFields();
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$values = array_fill(0, count($fields), "");
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$photo = array_combine($fields, $values);
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$photo['backend-class'] = SystemResource::NAME;
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$photo['backend-ref'] = $filename;
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$photo['type'] = $mimetype;
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$photo['cacheable'] = false;
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return $photo;
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}
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/**
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* @brief store photo metadata in db and binary in default backend
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*
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* @param Image $Image Image object with data
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* @param integer $uid User ID
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* @param integer $cid Contact ID
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* @param integer $rid Resource ID
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* @param string $filename Filename
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* @param string $album Album name
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* @param integer $scale Scale
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* @param integer $profile Is a profile image? optional, default = 0
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* @param string $allow_cid Permissions, allowed contacts. optional, default = ""
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* @param string $allow_gid Permissions, allowed groups. optional, default = ""
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* @param string $deny_cid Permissions, denied contacts.optional, default = ""
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* @param string $deny_gid Permissions, denied greoup.optional, default = ""
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* @param string $desc Photo caption. optional, default = ""
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*
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* @return boolean True on success
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function store(Image $Image, $uid, $cid, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = "", $allow_gid = "", $deny_cid = "", $deny_gid = "", $desc = "")
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{
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$photo = self::selectFirst(["guid"], ["`resource-id` = ? AND `guid` != ?", $rid, ""]);
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if (DBA::isResult($photo)) {
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$guid = $photo["guid"];
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} else {
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$guid = System::createGUID();
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}
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$existing_photo = self::selectFirst(["id", "created", "backend-class", "backend-ref"], ["resource-id" => $rid, "uid" => $uid, "contact-id" => $cid, "scale" => $scale]);
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$created = DateTimeFormat::utcNow();
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if (DBA::isResult($existing_photo)) {
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$created = $existing_photo["created"];
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}
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// Get defined storage backend.
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// if no storage backend, we use old "data" column in photo table.
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// if is an existing photo, reuse same backend
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$data = "";
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$backend_ref = "";
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if (DBA::isResult($existing_photo)) {
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$backend_ref = (string)$existing_photo["backend-ref"];
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$storage = DI::facStorage()->getByName($existing_photo["backend-class"] ?? '');
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} else {
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$storage = DI::storage();
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}
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if ($storage === null) {
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$data = $Image->asString();
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} else {
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$backend_ref = $storage->put($Image->asString(), $backend_ref);
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}
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$fields = [
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"uid" => $uid,
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"contact-id" => $cid,
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"guid" => $guid,
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"resource-id" => $rid,
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"created" => $created,
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"edited" => DateTimeFormat::utcNow(),
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"filename" => basename($filename),
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"type" => $Image->getType(),
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"album" => $album,
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"height" => $Image->getHeight(),
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"width" => $Image->getWidth(),
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"datasize" => strlen($Image->asString()),
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"data" => $data,
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"scale" => $scale,
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"profile" => $profile,
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"allow_cid" => $allow_cid,
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"allow_gid" => $allow_gid,
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"deny_cid" => $deny_cid,
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"deny_gid" => $deny_gid,
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"desc" => $desc,
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"backend-class" => (string)$storage,
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"backend-ref" => $backend_ref
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];
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if (DBA::isResult($existing_photo)) {
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$r = DBA::update("photo", $fields, ["id" => $existing_photo["id"]]);
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} else {
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$r = DBA::insert("photo", $fields);
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}
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return $r;
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}
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/**
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* @brief Delete info from table and data from storage
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*
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* @param array $conditions Field condition(s)
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* @param array $options Options array, Optional
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*
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* @return boolean
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*
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* @throws \Exception
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* @see \Friendica\Database\DBA::delete
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*/
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public static function delete(array $conditions, array $options = [])
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{
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// get photo to delete data info
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$photos = self::selectToArray(['backend-class', 'backend-ref'], $conditions);
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foreach($photos as $photo) {
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$backend_class = DI::facStorage()->getByName($photo['backend-class'] ?? '');
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if ($backend_class !== null) {
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$backend_class->delete($photo["backend-ref"] ?? '');
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}
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}
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return DBA::delete("photo", $conditions, $options);
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}
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/**
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* @brief Update a photo
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*
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* @param array $fields Contains the fields that are updated
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* @param array $conditions Condition array with the key values
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* @param Image $img Image to update. Optional, default null.
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* @param array|boolean $old_fields Array with the old field values that are about to be replaced (true = update on duplicate)
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*
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* @return boolean Was the update successfull?
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*
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @see \Friendica\Database\DBA::update
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*/
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public static function update($fields, $conditions, Image $img = null, array $old_fields = [])
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{
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if (!is_null($img)) {
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// get photo to update
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$photos = self::selectToArray(['backend-class', 'backend-ref'], $conditions);
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foreach($photos as $photo) {
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$backend_class = DI::facStorage()->getByName($photo['backend-class'] ?? '');
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if ($backend_class !== null) {
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$fields["backend-ref"] = $backend_class->put($img->asString(), $photo['backend-ref']);
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} else {
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$fields["data"] = $img->asString();
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}
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}
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$fields['updated'] = DateTimeFormat::utcNow();
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}
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$fields['edited'] = DateTimeFormat::utcNow();
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return DBA::update("photo", $fields, $conditions, $old_fields);
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}
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/**
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* @param string $image_url Remote URL
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* @param integer $uid user id
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* @param integer $cid contact id
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* @param boolean $quit_on_error optional, default false
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* @return array
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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public static function importProfilePhoto($image_url, $uid, $cid, $quit_on_error = false)
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{
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$thumb = "";
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$micro = "";
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$photo = DBA::selectFirst(
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"photo", ["resource-id"], ["uid" => $uid, "contact-id" => $cid, "scale" => 4, "album" => "Contact Photos"]
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);
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if (!empty($photo['resource-id'])) {
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$resource_id = $photo["resource-id"];
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} else {
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$resource_id = self::newResource();
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}
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$photo_failure = false;
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$filename = basename($image_url);
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if (!empty($image_url)) {
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$ret = Network::curl($image_url, true);
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$img_str = $ret->getBody();
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$type = $ret->getContentType();
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} else {
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$img_str = '';
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}
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if ($quit_on_error && ($img_str == "")) {
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return false;
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}
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if (empty($type)) {
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$type = Images::guessType($image_url, true);
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}
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$Image = new Image($img_str, $type);
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if ($Image->isValid()) {
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$Image->scaleToSquare(300);
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$r = self::store($Image, $uid, $cid, $resource_id, $filename, "Contact Photos", 4);
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if ($r === false) {
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$photo_failure = true;
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}
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$Image->scaleDown(80);
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$r = self::store($Image, $uid, $cid, $resource_id, $filename, "Contact Photos", 5);
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if ($r === false) {
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$photo_failure = true;
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}
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$Image->scaleDown(48);
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$r = self::store($Image, $uid, $cid, $resource_id, $filename, "Contact Photos", 6);
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if ($r === false) {
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$photo_failure = true;
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}
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$suffix = "?ts=" . time();
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$image_url = DI::baseUrl() . "/photo/" . $resource_id . "-4." . $Image->getExt() . $suffix;
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$thumb = DI::baseUrl() . "/photo/" . $resource_id . "-5." . $Image->getExt() . $suffix;
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$micro = DI::baseUrl() . "/photo/" . $resource_id . "-6." . $Image->getExt() . $suffix;
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// Remove the cached photo
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$a = DI::app();
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$basepath = $a->getBasePath();
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if (is_dir($basepath . "/photo")) {
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$filename = $basepath . "/photo/" . $resource_id . "-4." . $Image->getExt();
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if (file_exists($filename)) {
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unlink($filename);
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}
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$filename = $basepath . "/photo/" . $resource_id . "-5." . $Image->getExt();
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if (file_exists($filename)) {
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unlink($filename);
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}
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$filename = $basepath . "/photo/" . $resource_id . "-6." . $Image->getExt();
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if (file_exists($filename)) {
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unlink($filename);
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}
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}
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} else {
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$photo_failure = true;
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}
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if ($photo_failure && $quit_on_error) {
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return false;
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}
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if ($photo_failure) {
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$image_url = DI::baseUrl() . "/images/person-300.jpg";
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$thumb = DI::baseUrl() . "/images/person-80.jpg";
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$micro = DI::baseUrl() . "/images/person-48.jpg";
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}
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return [$image_url, $thumb, $micro];
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}
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/**
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* @param array $exifCoord coordinate
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* @param string $hemi hemi
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* @return float
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*/
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public static function getGps($exifCoord, $hemi)
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{
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$degrees = count($exifCoord) > 0 ? self::gps2Num($exifCoord[0]) : 0;
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$minutes = count($exifCoord) > 1 ? self::gps2Num($exifCoord[1]) : 0;
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$seconds = count($exifCoord) > 2 ? self::gps2Num($exifCoord[2]) : 0;
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$flip = ($hemi == "W" || $hemi == "S") ? -1 : 1;
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return floatval($flip * ($degrees + ($minutes / 60) + ($seconds / 3600)));
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}
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/**
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* @param string $coordPart coordPart
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* @return float
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*/
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private static function gps2Num($coordPart)
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{
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$parts = explode("/", $coordPart);
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if (count($parts) <= 0) {
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return 0;
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}
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if (count($parts) == 1) {
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return $parts[0];
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}
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return floatval($parts[0]) / floatval($parts[1]);
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}
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/**
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* @brief Fetch the photo albums that are available for a viewer
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*
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* The query in this function is cost intensive, so it is cached.
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*
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* @param int $uid User id of the photos
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* @param bool $update Update the cache
|
|
*
|
|
* @return array Returns array of the photo albums
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public static function getAlbums($uid, $update = false)
|
|
{
|
|
$sql_extra = Security::getPermissionsSQLByUserId($uid);
|
|
|
|
$key = "photo_albums:".$uid.":".local_user().":".remote_user();
|
|
$albums = Cache::get($key);
|
|
if (is_null($albums) || $update) {
|
|
if (!Config::get("system", "no_count", false)) {
|
|
/// @todo This query needs to be renewed. It is really slow
|
|
// At this time we just store the data in the cache
|
|
$albums = q("SELECT COUNT(DISTINCT `resource-id`) AS `total`, `album`, ANY_VALUE(`created`) AS `created`
|
|
FROM `photo`
|
|
WHERE `uid` = %d AND `album` != '%s' AND `album` != '%s' $sql_extra
|
|
GROUP BY `album` ORDER BY `created` DESC",
|
|
intval($uid),
|
|
DBA::escape("Contact Photos"),
|
|
DBA::escape(L10n::t("Contact Photos"))
|
|
);
|
|
} else {
|
|
// This query doesn't do the count and is much faster
|
|
$albums = q("SELECT DISTINCT(`album`), '' AS `total`
|
|
FROM `photo` USE INDEX (`uid_album_scale_created`)
|
|
WHERE `uid` = %d AND `album` != '%s' AND `album` != '%s' $sql_extra",
|
|
intval($uid),
|
|
DBA::escape("Contact Photos"),
|
|
DBA::escape(L10n::t("Contact Photos"))
|
|
);
|
|
}
|
|
Cache::set($key, $albums, Cache::DAY);
|
|
}
|
|
return $albums;
|
|
}
|
|
|
|
/**
|
|
* @param int $uid User id of the photos
|
|
* @return void
|
|
* @throws \Exception
|
|
*/
|
|
public static function clearAlbumCache($uid)
|
|
{
|
|
$key = "photo_albums:".$uid.":".local_user().":".remote_user();
|
|
Cache::set($key, null, Cache::DAY);
|
|
}
|
|
|
|
/**
|
|
* Generate a unique photo ID.
|
|
*
|
|
* @return string
|
|
* @throws \Exception
|
|
*/
|
|
public static function newResource()
|
|
{
|
|
return System::createGUID(32, false);
|
|
}
|
|
|
|
/**
|
|
* Changes photo permissions that had been embedded in a post
|
|
*
|
|
* @todo This function currently does have some flaws:
|
|
* - Sharing a post with a forum will create a photo that only the forum can see.
|
|
* - Sharing a photo again that been shared non public before doesn't alter the permissions.
|
|
*
|
|
* @return string
|
|
* @throws \Exception
|
|
*/
|
|
public static function setPermissionFromBody($body, $uid, $original_contact_id, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny)
|
|
{
|
|
// Simplify image codes
|
|
$img_body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
|
|
$img_body = preg_replace("/\[img\=(.*?)\](.*?)\[\/img\]/ism", '[img]$1[/img]', $img_body);
|
|
|
|
// Search for images
|
|
if (!preg_match_all("/\[img\](.*?)\[\/img\]/", $img_body, $match)) {
|
|
return false;
|
|
}
|
|
$images = $match[1];
|
|
if (empty($images)) {
|
|
return false;
|
|
}
|
|
|
|
foreach ($images as $image) {
|
|
if (!stristr($image, DI::baseUrl() . '/photo/')) {
|
|
continue;
|
|
}
|
|
$image_uri = substr($image,strrpos($image,'/') + 1);
|
|
$image_uri = substr($image_uri,0, strpos($image_uri,'-'));
|
|
if (!strlen($image_uri)) {
|
|
continue;
|
|
}
|
|
|
|
// Ensure to only modify photos that you own
|
|
$srch = '<' . intval($original_contact_id) . '>';
|
|
|
|
$condition = [
|
|
'allow_cid' => $srch, 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '',
|
|
'resource-id' => $image_uri, 'uid' => $uid
|
|
];
|
|
if (!Photo::exists($condition)) {
|
|
continue;
|
|
}
|
|
|
|
/// @todo Check if $str_contact_allow does contain a public forum. Then set the permissions to public.
|
|
|
|
$fields = ['allow_cid' => $str_contact_allow, 'allow_gid' => $str_group_allow,
|
|
'deny_cid' => $str_contact_deny, 'deny_gid' => $str_group_deny];
|
|
$condition = ['resource-id' => $image_uri, 'uid' => $uid];
|
|
Logger::info('Set permissions', ['condition' => $condition, 'permissions' => $fields]);
|
|
Photo::update($fields, $condition);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Strips known picture extensions from picture links
|
|
*
|
|
* @param string $name Picture link
|
|
* @return string stripped picture link
|
|
* @throws \Exception
|
|
*/
|
|
public static function stripExtension($name)
|
|
{
|
|
$name = str_replace([".jpg", ".png", ".gif"], ["", "", ""], $name);
|
|
foreach (Images::supportedTypes() as $m => $e) {
|
|
$name = str_replace("." . $e, "", $name);
|
|
}
|
|
return $name;
|
|
}
|
|
|
|
/**
|
|
* Returns the GUID from picture links
|
|
*
|
|
* @param string $name Picture link
|
|
* @return string GUID
|
|
* @throws \Exception
|
|
*/
|
|
public static function getGUID($name)
|
|
{
|
|
$base = DI::baseUrl()->get();
|
|
|
|
$guid = str_replace([Strings::normaliseLink($base), '/photo/'], '', Strings::normaliseLink($name));
|
|
|
|
$guid = self::stripExtension($guid);
|
|
if (substr($guid, -2, 1) != "-") {
|
|
return '';
|
|
}
|
|
|
|
$scale = intval(substr($guid, -1, 1));
|
|
if (!is_numeric($scale)) {
|
|
return '';
|
|
}
|
|
|
|
$guid = substr($guid, 0, -2);
|
|
return $guid;
|
|
}
|
|
|
|
/**
|
|
* Tests if the picture link points to a locally stored picture
|
|
*
|
|
* @param string $name Picture link
|
|
* @return boolean
|
|
* @throws \Exception
|
|
*/
|
|
public static function isLocal($name)
|
|
{
|
|
$guid = self::getGUID($name);
|
|
|
|
if (empty($guid)) {
|
|
return false;
|
|
}
|
|
|
|
return DBA::exists('photo', ['resource-id' => $guid]);
|
|
}
|
|
|
|
/**
|
|
* Tests if the link points to a locally stored picture page
|
|
*
|
|
* @param string $name Page link
|
|
* @return boolean
|
|
* @throws \Exception
|
|
*/
|
|
public static function isLocalPage($name)
|
|
{
|
|
$base = DI::baseUrl()->get();
|
|
|
|
$guid = str_replace(Strings::normaliseLink($base), '', Strings::normaliseLink($name));
|
|
$guid = preg_replace("=/photos/.*/image/(.*)=ism", '$1', $guid);
|
|
if (empty($guid)) {
|
|
return false;
|
|
}
|
|
|
|
return DBA::exists('photo', ['resource-id' => $guid]);
|
|
}
|
|
}
|