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Utils.php
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Utils.php
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<?php
namespace Godot\AssetLibrary\Helpers;
class Utils
{
private $c;
public function __construct($c)
{
$this->c = $c;
}
public function getComputedDownloadUrl($repo_url, $provider, $commit, &$warning=null) // i.e. browse_url, download_provider, download_commit
{
$repo_url = rtrim($repo_url, '/');
if (is_int($provider)) {
$provider = $this->c->constants['download_provider'][$provider];
}
$warning_suffix = "Please, ensure that the URL and the repository provider are correct.";
$light_warning_suffix = "Please, doublecheck that the URL and the repository provider are correct.";
switch ($provider) {
case 'GitHub':
if (sizeof(preg_grep('/^https:\/\/github\.com\/[^\/]+?\/[^\/]+?$/i', [$repo_url])) == 0) {
$warning .= "\"$repo_url\" doesn't look correct; it should be similar to \"https://github.com/<owner>/<name>\". $warning_suffix\n";
}
return "$repo_url/archive/$commit.zip";
case 'GitLab':
if (sizeof(preg_grep('/^https:\/\/(gitlab\.com|[^\/]+)\/[^\/]+?\/[^\/]+?$/i', [$repo_url])) == 0) {
$warning .= "\"$repo_url\" doesn't look correct; it should be similar to \"https://<gitlab instance>/<owner>/<name>\". $warning_suffix\n";
} elseif (sizeof(preg_grep('/^https:\/\/(gitlab\.com)\/[^\/]+?\/[^\/]+?$/i', [$repo_url])) == 0) {
$warning .= "\"$repo_url\" might not be correct; it should be similar to \"https://gitlab.com/<owner>/<name>\", unless the asset is hosted on a custom instance of GitLab. $light_warning_suffix\n";
}
return "$repo_url/repository/archive.zip?ref=$commit";
case 'BitBucket':
if (sizeof(preg_grep('/^https:\/\/bitbucket\.org\/[^\/]+?\/[^\/]+?$/i', [$repo_url])) == 0) {
$warning .= "\"$repo_url\" doesn't look correct; it should be similar to \"https://bitbucket.org/<owner>/<name>\". $warning_suffix\n";
}
return "$repo_url/get/$commit.zip";
case 'Gogs':
if (sizeof(preg_grep('/^https?:\/\/[^\/]+?\/[^\/]+?\/[^\/]+?$/i', [$repo_url])) == 0) {
$warning .= "\"$repo_url\" doesn't look correct; it should be similar to \"http<s>://<gogs instance>/<owner>/<name>\". $warning_suffix\n";
}
$warning .= "Since Gogs might be self-hosted, we can't be sure that \"$repo_url\" is a valid Gogs URL. $light_warning_suffix\n";
return "$repo_url/archive/$commit.zip";
case 'cgit':
if (sizeof(preg_grep('/^https?:\/\/[^\/]+?\/[^\/]+?\/[^\/]+?$/i', [$repo_url])) == 0) {
$warning .= "\"$repo_url\" doesn't look correct; it should be similar to \"http<s>://<cgit instance>/<owner>/<name>\". $warning_suffix\n";
}
$warning .= "Since cgit might be self-hosted, we can't be sure that \"$repo_url\" is a valid cgit URL. $light_warning_suffix\n";
return "$repo_url/snapshot/$commit.zip";
case 'Custom':
if (sizeof(preg_grep('/^https?:\/\/.+?\.zip$/i', [$commit])) == 0) {
$warning .= "\"$commit\" doesn't look correct; it should be similar to \"http<s>://<url>.zip\". $warning_suffix\n";
}
return "$commit";
default:
return "$repo_url/$commit.zip"; // Obviously incorrect, but we would like to have some default case...
}
}
public function getDefaultIssuesUrl($repo_url, $provider) // i.e. browse_url, download_provider
{
$repo_url = rtrim($repo_url, '/');
if (is_int($provider)) {
$provider = $this->c->constants['download_provider'][$provider];
}
switch ($provider) {
case 'GitHub':
case 'GitLab':
case 'BitBucket':
case 'Gogs':
return "$repo_url/issues";
case 'cgit':
default:
return "";
}
}
public function getFormattedGodotVersion($internal_id, &$warning=null)
{
if ($internal_id == $this->c->constants['special_godot_versions']['unknown']) {
$warning .= "Setting Godot version as \"unknown\" is not recommended, as it would prevent people from finding your asset easily.\n";
}
if (isset($this->c->constants['special_godot_versions'][$internal_id])) {
return $this->c->constants['special_godot_versions'][$internal_id];
} else {
$major = floor($internal_id / 10000) % 100;
$minor = floor($internal_id / 100) % 100;
$patch = floor($internal_id / 1) % 100;
if ($patch != 0) {
return $major . '.' . $minor . '.' . $patch;
} else {
return $major . '.' . $minor;
}
}
}
public function getUnformattedGodotVersion($value)
{
if (is_int($value)) {
return $value;
}
if (isset($this->c->constants['special_godot_versions'][$value])) {
return $this->c->constants['special_godot_versions'][$value];
} else {
$slices = explode('.', $value);
$major = (int) $slices[0];
$minor = min(100, max(0, (int) (isset($slices[1]) ? $slices[1] : 0)));
$patch = min(100, max(0, (int) (isset($slices[2]) ? $slices[2] : 0)));
return $major * 10000 + $minor * 100 + $patch;
}
}
public function errorResponseIfNotUserHasLevel($currentStatus, &$response, $user, $required_level_name, $message = 'You are not authorized to do this')
{
if ($user === false || $currentStatus) {
return true;
}
if ((int) $user['type'] < $this->c->constants['user_type'][$required_level_name]) {
$response = $response->withJson([
'error' => $message,
], 403);
return true;
}
return false;
}
public function errorResponseIfNotOwnerOrLevel($currentStatus, &$response, $user, $asset_id, $required_level_name, $message = 'You are not authorized to do this')
{
if($user === false || $currentStatus) {
return true;
}
$query = $this->c->queries['asset']['get_one'];
$query->bindValue(':id', (int) $asset_id, \PDO::PARAM_INT);
$query->execute();
if($query->rowCount() <= 0) {
return $response->withJson(['error' => 'Couldn\'t find asset with id '.$asset_id.'!'], 404);
}
$asset = $query->fetch();
if($asset['author_id'] != $user['user_id']) {
return $this->errorResponseIfNotUserHasLevel(false, $response, $user, $required_level_name, $message);
}
return false;
}
public function errorResponseIfMissingOrNotString($currentStatus, &$response, $object, $property)
{
if ($currentStatus) {
return true;
}
if (!isset($object[$property]) || !is_string($object[$property]) || $object[$property] == "") {
$response = $response->withJson([
'error' => $property . ' is required, and must be a string'
], 400);
return true;
}
return false;
}
public function errorResponseIfQueryBad($currentStatus, &$response, $query, $message = 'An error occured while executing DB queries')
{
if ($currentStatus) {
return true;
}
if ($query->errorCode() != '00000') {
$this->c->logger->error('DBError', $query->errorInfo());
$response = $response->withJson([
'error' => $message,
], 500);
return true;
}
return false;
}
public function errorResponseIfQueryNoResults($currentStatus, &$response, $query, $message = 'DB returned no results')
{
if ($currentStatus) {
return true;
}
if ($query->rowCount() == 0) {
$response = $response->withJson([
'error' => $message
], 404);
return true;
}
return false;
}
public function ensureLoggedIn($currentStatus, &$response, $body, &$user, &$token_data = null, $reset = false)
{
$currentStatus = $this->errorResponseIfMissingOrNotString($currentStatus, $response, $body, 'token');
if ($currentStatus) {
return true;
}
$token_data = $this->c->tokens->validate($body['token']);
$error = $this->getUserFromTokenData(false, $response, $token_data, $user, $reset);
return $error;
}
public function getUserFromTokenData($currentStatus, &$response, $token_data, &$user, $reset = false)
{
if ($currentStatus) {
return true;
}
if (!$token_data) {
$response = $response->withJson([
'error' => 'Invalid token'
], 403);
return true;
}
// Insecure
// if(isset($token_data->user_id)) {
// $query = $this->c->queries['user']['get_one'];
// $query->bindValue(':id', (int) $token_data->user_id, PDO::PARAM_INT);
// }
if (isset($token_data->session) && !$reset) {
$query = $this->c->queries['user']['get_by_session_token'];
$query->bindValue(":session_token", base64_decode($token_data->session));
} elseif (isset($token_data->reset) && $reset) {
$query = $this->c->queries['user']['get_by_reset_token'];
$query->bindValue(":reset_token", base64_decode($token_data->reset));
} else {
$response = $response->withJson([
'error' => 'Invalid token'
], 403);
return true;
}
$query->execute();
$currentStatus = $this->errorResponseIfQueryBad(false, $response, $query);
$currentStatus = $this->errorResponseIfQueryNoResults($currentStatus, $response, $query, 'Nonexistent token submitted');
if ($currentStatus) {
return true;
}
$user = $query->fetchAll()[0];
return false;
}
}