100 lines
2.6 KiB
PHP
100 lines
2.6 KiB
PHP
|
<?php namespace BookStack\Uploads;
|
||
|
|
|
||
|
|
use BookStack\Auth\User;
|
||
|
|
use BookStack\Exceptions\HttpFetchException;
|
||
|
|
use Exception;
|
||
|
|
|
||
|
|
class UserAvatars
|
||
|
|
{
|
||
|
|
protected $imageService;
|
||
|
|
protected $http;
|
||
|
|
|
||
|
|
public function __construct(ImageService $imageService, HttpFetcher $http)
|
||
|
|
{
|
||
|
|
$this->imageService = $imageService;
|
||
|
|
$this->http = $http;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Fetch and assign an avatar image to the given user.
|
||
|
|
*/
|
||
|
|
public function fetchAndAssignToUser(User $user): void
|
||
|
|
{
|
||
|
|
if (!$this->avatarFetchEnabled()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
$avatar = $this->saveAvatarImage($user);
|
||
|
|
$user->avatar()->associate($avatar);
|
||
|
|
$user->save();
|
||
|
|
} catch (Exception $e) {
|
||
|
|
Log::error('Failed to save user avatar image');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Save an avatar image from an external service.
|
||
|
|
* @throws Exception
|
||
|
|
*/
|
||
|
|
protected function saveAvatarImage(User $user, int $size = 500): Image
|
||
|
|
{
|
||
|
|
$avatarUrl = $this->getAvatarUrl();
|
||
|
|
$email = strtolower(trim($user->email));
|
||
|
|
|
||
|
|
$replacements = [
|
||
|
|
'${hash}' => md5($email),
|
||
|
|
'${size}' => $size,
|
||
|
|
'${email}' => urlencode($email),
|
||
|
|
];
|
||
|
|
|
||
|
|
$userAvatarUrl = strtr($avatarUrl, $replacements);
|
||
|
|
$imageName = str_replace(' ', '-', $user->id . '-avatar.png');
|
||
|
|
$imageData = $this->getAvatarImageData($userAvatarUrl);
|
||
|
|
|
||
|
|
$image = $this->imageService->saveNew($imageName, $imageData, 'user', $user->id);
|
||
|
|
$image->created_by = $user->id;
|
||
|
|
$image->updated_by = $user->id;
|
||
|
|
$image->save();
|
||
|
|
|
||
|
|
return $image;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets an image from url and returns it as a string of image data.
|
||
|
|
* @throws Exception
|
||
|
|
*/
|
||
|
|
protected function getAvatarImageData(string $url): string
|
||
|
|
{
|
||
|
|
try {
|
||
|
|
$imageData = $this->http->fetch($url);
|
||
|
|
} catch (HttpFetchException $exception) {
|
||
|
|
throw new Exception(trans('errors.cannot_get_image_from_url', ['url' => $url]));
|
||
|
|
}
|
||
|
|
return $imageData;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if fetching external avatars is enabled.
|
||
|
|
*/
|
||
|
|
protected function avatarFetchEnabled(): bool
|
||
|
|
{
|
||
|
|
$fetchUrl = $this->getAvatarUrl();
|
||
|
|
return is_string($fetchUrl) && strpos($fetchUrl, 'http') === 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the URL to fetch avatars from.
|
||
|
|
*/
|
||
|
|
protected function getAvatarUrl(): string
|
||
|
|
{
|
||
|
|
$url = trim(config('services.avatar_url'));
|
||
|
|
|
||
|
|
if (empty($url) && !config('services.disable_services')) {
|
||
|
|
$url = 'https://www.gravatar.com/avatar/${hash}?s=${size}&d=identicon';
|
||
|
|
}
|
||
|
|
|
||
|
|
return $url;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|