openvk/Web/Models/Entities/Document.php
2024-12-28 18:33:09 +03:00

335 lines
9.7 KiB
PHP

<?php declare(strict_types=1);
namespace openvk\Web\Models\Entities;
use openvk\Web\Models\Repositories\{Clubs, Users, Photos};
use openvk\Web\Models\Entities\{Photo};
use openvk\Web\Models\RowModel;
use Nette\InvalidStateException as ISE;
use Chandler\Database\DatabaseConnection;
class Document extends Media
{
protected $tableName = "documents";
protected $fileExtension = "gif";
private $tmp_format = NULL;
const VKAPI_TYPE_TEXT = 1;
const VKAPI_TYPE_ARCHIVE = 2;
const VKAPI_TYPE_GIF = 3;
const VKAPI_TYPE_IMAGE = 4;
const VKAPI_TYPE_AUDIO = 5;
const VKAPI_TYPE_VIDEO = 6;
const VKAPI_TYPE_BOOKS = 7;
const VKAPI_TYPE_UNKNOWN = 8;
const VKAPI_FOLDER_PRIVATE = 0;
const VKAPI_FOLDER_STUDY = 1;
const VKAPI_FOLDER_BOOK = 2;
const VKAPI_FOLDER_PUBLIC = 3;
protected function pathFromHash(string $hash): string
{
$dir = $this->getBaseDir() . substr($hash, 0, 2);
if(!is_dir($dir))
mkdir($dir);
return "$dir/$hash." . $this->getFileExtension();
}
function getURL(): string
{
$hash = $this->getRecord()->hash;
$filetype = $this->getFileExtension();
switch(OPENVK_ROOT_CONF["openvk"]["preferences"]["uploads"]["mode"]) {
default:
case "default":
case "basic":
return "http://" . $_SERVER['HTTP_HOST'] . "/blob_" . substr($hash, 0, 2) . "/$hash.$filetype";
break;
case "accelerated":
return "http://" . $_SERVER['HTTP_HOST'] . "/openvk-datastore/$hash.$filetype";
break;
case "server":
$settings = (object) OPENVK_ROOT_CONF["openvk"]["preferences"]["uploads"]["server"];
return (
$settings->protocol ?? ovk_scheme() .
"://" . $settings->host .
$settings->path .
substr($hash, 0, 2) . "/$hash.$filetype"
);
break;
}
}
protected function saveFile(string $filename, string $hash): bool
{
move_uploaded_file($filename, $this->pathFromHash($hash));
return true;
}
protected function makePreview(string $tmp_name, string $filename, int $owner): bool
{
$preview_photo = new Photo;
$preview_photo->setOwner($owner);
$preview_photo->setDescription("internal use");
$preview_photo->setCreated(time());
$preview_photo->setSystem(1);
$preview_photo->setFile([
"tmp_name" => $tmp_name,
"error" => 0,
]);
$preview_photo->save();
$this->stateChanges("preview", "photo_".$preview_photo->getId());
return true;
}
private function updateHash(string $hash): bool
{
$this->stateChanges("hash", $hash);
return true;
}
function setFile(array $file): void
{
if($file["error"] !== UPLOAD_ERR_OK)
throw new ISE("File uploaded is corrupted");
$original_name = $file["name"];
$file_format = explode(".", $original_name)[1];
$file_size = $file["size"];
$type = Document::detectTypeByFormat($file_format);
if(!$file_format)
throw new \TypeError("No file format");
if(!in_array($file_format, OPENVK_ROOT_CONF["openvk"]["preferences"]["docs"]["allowedFormats"]))
throw new \TypeError("Forbidden file format");
if($file_size < 1 || $file_size > (OPENVK_ROOT_CONF["openvk"]["preferences"]["docs"]["maxSize"] * 1024 * 1024))
throw new \ValueError("Invalid filesize");
$hash = hash_file("whirlpool", $file["tmp_name"]);
$this->stateChanges("original_name", ovk_proc_strtr($original_name, 255));
$this->tmp_format = $file_format;
$this->stateChanges("format", $file_format);
$this->stateChanges("filesize", $file_size);
$this->stateChanges("hash", $hash);
$this->stateChanges("access_key", bin2hex(random_bytes(9)));
$this->stateChanges("type", $type);
if(in_array($type, [3, 4])) {
$this->makePreview($file["tmp_name"], $original_name, $file["preview_owner"]);
}
$this->saveFile($file["tmp_name"], $hash);
}
function hasPreview(): bool
{
return $this->getRecord()->preview != NULL;
}
function isOwnerHidden(): bool
{
return (bool) $this->getRecord()->owner_hidden;
}
function isCopy(): bool
{
return $this->getRecord()->copy_of != NULL;
}
function isLicensed(): bool
{
return false;
}
function isUnsafe(): bool
{
return false;
}
function isCopiedBy(User $user): bool
{
if($user->getId() === $this->getOwnerID())
return true;
return DatabaseConnection::i()->getContext()->table("documents")->where([
"owner" => $user->getId(),
"copy_of" => $this->getId(),
])->count() > 0;
}
function copy(User $user): Document
{
$this_document_array = $this->getRecord()->toArray();
$new_document = new Document;
$new_document->setOwner($user->getId());
$new_document->updateHash($this_document_array["hash"]);
$new_document->setOwner_hidden(1);
$new_document->setCopy_of($this->getId());
$new_document->setName($this->getId());
$new_document->setOriginal_name($this->getOriginalName());
$new_document->setAccess_key(bin2hex(random_bytes(9)));
$new_document->setFormat($this_document_array["format"]);
$new_document->setType($this->getVKAPIType());
$new_document->setFolder_id(0);
$new_document->setPreview($this_document_array["preview"]);
$new_document->setTags($this_document_array["tags"]);
$new_document->setFilesize($this_document_array["filesize"]);
$new_document->save();
return $new_document;
}
function getFileExtension(): string
{
if($this->tmp_format) {
return $this->tmp_format;
}
return $this->getRecord()->format;
}
function getPrettyId(): string
{
return $this->getVirtualId() . "_" . $this->getId();
}
function getOriginal(): Document
{
return $this->getRecord()->copy_of;
}
function getName(): string
{
return $this->getRecord()->name;
}
function getOriginalName(): string
{
return $this->getRecord()->original_name;
}
function getVKAPIType(): int
{
return $this->getRecord()->type;
}
function getFolder(): int
{
return $this->getRecord()->folder_id;
}
function getTags(): array
{
$tags = $this->getRecord()->tags;
if(!$tags)
return [];
return explode(",", $tags ?? "");
}
function getFilesize(): int
{
return $this->getRecord()->filesize;
}
function getPreview(): ?RowModel
{
$preview_array = $this->getRecord()->preview;
$preview = explode(",", $this->getRecord()->preview)[0];
$model = NULL;
$exploded = explode("_", $preview);
switch($exploded[0]) {
case "photo":
$model = (new Photos)->get((int)$exploded[1]);
break;
}
return $model;
}
function getOwnerID(): int
{
return $this->getRecord()->owner;
}
function toApiPreview(): object
{
$preview = $this->getPreview();
if($preview instanceof Photo) {
return (object)[
"photo" => [
"sizes" => array_values($preview->getVkApiSizes()),
],
];
}
}
function canBeModifiedBy(User $user = NULL): bool
{
if(!$user)
return false;
if($this->getOwnerID() < 0)
return (new Clubs)->get(abs($this->getOwnerID()))->canBeModifiedBy($user);
return $this->getOwnerID() === $user->getId();
}
function toVkApiStruct(?User $user = NULL, bool $return_tags = false): object
{
$res = new \stdClass;
$res->id = $this->getId();
$res->owner_id = $this->getVirtualId();
$res->title = $this->getName();
$res->size = $this->getFilesize();
$res->ext = $this->getFileExtension();
$res->url = $this->getURL();
$res->date = $this->getPublicationTime()->timestamp();
$res->type = $this->getVKAPIType();
$res->is_licensed = (int) $this->isLicensed();
$res->is_unsafe = (int) $this->isUnsafe();
$res->folder_id = (int) $this->getFolder();
$res->access_key = $this->getAccessKey();
$res->private_url = "";
if($user)
$res->can_manage = $this->canBeModifiedBy($user);
if($this->hasPreview())
$res->preview = $this->toApiPreview();
if($return_tags)
$res->tags = $this->getTags();
return $res;
}
static function detectTypeByFormat(string $format)
{
switch($format) {
case "txt": case "docx": case "doc": case "odt": case "pptx": case "ppt": case "xlsx": case "xls":
return 1;
case "zip": case "rar": case "7z":
return 2;
case "gif": case "apng":
return 3;
case "jpg": case "jpeg": case "png": case "psd": case "ps":
return 4;
case "mp3":
return 5;
case "mp4": case "avi":
return 6;
case "pdf": case "djvu": case "epub": case "fb2":
return 7;
default:
return 8;
}
}
}