mirror of https://github.com/friendica/friendica
433 lines
12 KiB
PHP
433 lines
12 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\BaseObject;
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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\System;
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use Friendica\Database\DBA;
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use Friendica\Database\DBStructure;
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use Friendica\Object\Image;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Network;
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use Friendica\Util\Security;
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/**
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* Class to handle photo dabatase table
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*/
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class Photo extends BaseObject
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{
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/**
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* @brief Select rows 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 $condition Array of fields for condition
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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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* @see \Friendica\Database\DBA::select
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*/
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public static function select(array $fields = [], array $condition = [], array $params = [])
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{
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if (empty($fields)) {
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$selected = self::getFields();
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}
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$r = DBA::select("photo", $fields, $condition, $params);
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return DBA::toArray($r);
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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 $condition Array of fields for condition
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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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* @see \Friendica\Database\DBA::select
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*/
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public static function selectFirst(array $fields = [], array $condition = [], 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, $condition, $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 for the photo
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* @param integer $scale Scale of the photo. Defaults to 0
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*
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* @return boolean|array
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*/
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public static function getPhoto($resourceid, $scale = 0)
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{
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$r = self::selectFirst(["uid"], ["resource-id" => $resourceid]);
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if ($r===false) return false;
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$sql_acl = Security::getPermissionsSQLByUserId($r["uid"]);
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$condition = [
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"`resource-id` = ? AND `scale` <= ? " . $sql_acl,
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$resourceid, $scale
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];
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$params = [ "order" => ["scale" => true]];
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$photo = self::selectFirst([], $condition, $params);
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if ($photo === false) {
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return self::createPhotoForSystemResource("images/nosign.jpg");
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}
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return $photo;
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}
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/**
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* @brief Check if photo with given resource id exists
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*
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* @param string $resourceid Resource ID of the photo
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*
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* @return boolean
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*/
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public static function exists($resourceid)
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{
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return DBA::count("photo", ["resource-id" => $resourceid]) > 0;
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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 integer $id Row id
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*
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* @return \Friendica\Object\Image
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*/
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public static function getImageForPhoto($photo)
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{
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$data = "";
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if ($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 = $photo["backend-class"];
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$backendRef = $photo["backend-ref"];
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$data = $backendClass::get($backendRef);
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}
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if ($data === "") {
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return null;
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}
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return new Image($data, $photo["type"]);
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}
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/**
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* @brief Return a list of fields that are associated with the photo table
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*
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* @return array field list
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*/
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private static function getFields()
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{
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$allfields = DBStructure::definition(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 $mimetype Image mime type. Defaults to "image/jpeg"
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*
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* @return array
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*/
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public static function createPhotoForSystemResource($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"] = "\Friendica\Model\Storage\SystemResource";
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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
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* @param integer $uid uid
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* @param integer $cid cid
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* @param integer $rid rid
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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 optional, default = 0
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* @param string $allow_cid optional, default = ''
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* @param string $allow_gid optional, default = ''
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* @param string $deny_cid optional, default = ''
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* @param string $deny_gid optional, default = ''
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* @param string $desc optional, default = ''
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*
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* @return boolean True on success
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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 = DBA::selectFirst('photo', ['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 = DBA::selectFirst('photo', ['id'], ['resource-id' => $rid, 'uid' => $uid, 'contact-id' => $cid, 'scale' => $scale]);
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$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' => $rid,
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'created' => DateTimeFormat::utcNow(),
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'edited' => DateTimeFormat::utcNow(),
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'filename' => basename($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' => $Image->asString(),
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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' => $desc
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];
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if (DBA::isResult($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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* @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 $quit_on_error optional, default false
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* @return array
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*/
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public static function importProfilePhoto($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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$hash = $photo['resource-id'];
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} else {
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$hash = self::newResource();
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}
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$photo_failure = false;
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$filename = basename($image_url);
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$img_str = Network::fetchUrl($image_url, true);
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if ($quit_on_error && ($img_str == "")) {
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return false;
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}
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$type = Image::guessType($image_url, true);
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$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, $hash, $filename, 'Contact Photos', 4);
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if ($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, $hash, $filename, 'Contact Photos', 5);
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if ($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, $hash, $filename, 'Contact Photos', 6);
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if ($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 = System::baseUrl() . '/photo/' . $hash . '-4.' . $Image->getExt() . $suffix;
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$thumb = System::baseUrl() . '/photo/' . $hash . '-5.' . $Image->getExt() . $suffix;
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$micro = System::baseUrl() . '/photo/' . $hash . '-6.' . $Image->getExt() . $suffix;
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// Remove the cached photo
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$a = \get_app();
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$basepath = $a->getBasePath();
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if (is_dir($basepath . "/photo")) {
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$filename = $basepath . '/photo/' . $hash . '-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/' . $hash . '-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/' . $hash . '-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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$image_url = System::baseUrl() . '/images/person-300.jpg';
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$thumb = System::baseUrl() . '/images/person-80.jpg';
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$micro = System::baseUrl() . '/images/person-48.jpg';
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}
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return [$image_url, $thumb, $micro];
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}
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/**
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* @param string $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 $update Update the cache
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*
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* @return array Returns array of the photo albums
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*/
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public static function getAlbums($uid, $update = false)
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{
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$sql_extra = Security::getPermissionsSQLByUserId($uid);
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$key = "photo_albums:".$uid.":".local_user().":".remote_user();
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$albums = Cache::get($key);
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if (is_null($albums) || $update) {
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if (!Config::get('system', 'no_count', false)) {
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/// @todo This query needs to be renewed. It is really slow
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// At this time we just store the data in the cache
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$albums = q("SELECT COUNT(DISTINCT `resource-id`) AS `total`, `album`, ANY_VALUE(`created`) AS `created`
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FROM `photo`
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WHERE `uid` = %d AND `album` != '%s' AND `album` != '%s' $sql_extra
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GROUP BY `album` ORDER BY `created` DESC",
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intval($uid),
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DBA::escape('Contact Photos'),
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DBA::escape(L10n::t('Contact Photos'))
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);
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} else {
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// This query doesn't do the count and is much faster
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$albums = q("SELECT DISTINCT(`album`), '' AS `total`
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FROM `photo` USE INDEX (`uid_album_scale_created`)
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WHERE `uid` = %d AND `album` != '%s' AND `album` != '%s' $sql_extra",
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intval($uid),
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DBA::escape('Contact Photos'),
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DBA::escape(L10n::t('Contact Photos'))
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);
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}
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Cache::set($key, $albums, Cache::DAY);
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}
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return $albums;
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}
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/**
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* @param int $uid User id of the photos
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* @return void
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*/
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public static function clearAlbumCache($uid)
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{
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$key = "photo_albums:".$uid.":".local_user().":".remote_user();
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Cache::set($key, null, Cache::DAY);
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}
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/**
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* Generate a unique photo ID.
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*
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* @return string
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*/
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public static function newResource()
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{
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return system::createGUID(32, false);
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}
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}
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