use BookStack\Exceptions\HttpFetchException;
use BookStack\Http\HttpRequestService;
use BookStack\Users\Models\User;
+use BookStack\Util\WebSafeMimeSniffer;
use Exception;
use GuzzleHttp\Psr7\Request;
use Illuminate\Support\Facades\Log;
}
}
+ /**
+ * Assign a new avatar image to the given user by fetching from a remote URL.
+ */
+ public function assignToUserFromUrl(User $user, string $avatarUrl): void
+ {
+ try {
+ $this->destroyAllForUser($user);
+ $imageData = $this->getAvatarImageData($avatarUrl);
+
+ $mime = (new WebSafeMimeSniffer())->sniff($imageData);
+ [$format, $type] = explode('/', $mime, 2);
+ if ($format !== 'image' || !ImageService::isExtensionSupported($type)) {
+ return;
+ }
+
+ $avatar = $this->createAvatarImageFromData($user, $imageData, $type);
+ $user->avatar()->associate($avatar);
+ $user->save();
+ } catch (Exception $e) {
+ Log::error('Failed to save user avatar image from URL', [
+ 'exception' => $e->getMessage(),
+ 'url' => $avatarUrl,
+ 'user_id' => $user->id,
+ ]);
+ }
+ }
+
/**
* Destroy all user avatars uploaded to the given user.
*/
}
/**
- * Gets an image from url and returns it as a string of image data.
+ * Get an image from a URL and return it as a string of image data.
*
* @throws HttpFetchException
*/
{
try {
$client = $this->http->buildClient(5);
- $response = $client->sendRequest(new Request('GET', $url));
+ $responseCount = 0;
+
+ do {
+ $response = $client->sendRequest(new Request('GET', $url));
+ $responseCount++;
+ $isRedirect = ($response->getStatusCode() === 301 || $response->getStatusCode() === 302);
+ $url = $response->getHeader('Location')[0] ?? '';
+ } while ($responseCount < 3 && $isRedirect && is_string($url) && str_starts_with($url, 'http'));
+
+ if ($responseCount === 3) {
+ throw new HttpFetchException("Failed to fetch image, max redirect limit of 3 tries reached. Last fetched URL: {$url}");
+ }
+
if ($response->getStatusCode() !== 200) {
throw new HttpFetchException(trans('errors.cannot_get_image_from_url', ['url' => $url]));
}
/**
* Check if fetching external avatars is enabled.
*/
- protected function avatarFetchEnabled(): bool
+ public function avatarFetchEnabled(): bool
{
$fetchUrl = $this->getAvatarUrl();
/**
* Get the URL to fetch avatars from.
*/
- protected function getAvatarUrl(): string
+ public function getAvatarUrl(): string
{
$configOption = config('services.avatar_url');
if ($configOption === false) {