<?php
/**
 * Copyright 2026 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * For instructions on how to run the full sample:
 *
 * @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/main/storage/README.md
 */

namespace Google\Cloud\Samples\Storage;

# [START storage_delete_ip_filtering_rules]
use Google\Cloud\Storage\StorageClient;

/**
 * Delete IP filtering rules from a bucket.
 *
 * @param string $bucketName The name of your Cloud Storage bucket.
 *        (e.g. 'my-bucket')
 */
function delete_ip_filtering_rules(string $bucketName): void
{
    $storage = new StorageClient();
    $bucket = $storage->bucket($bucketName);

    $info = $bucket->info();
    if (!isset($info['ipFilter'])) {
        printf('No IP Filter configuration found for bucket %s.' . PHP_EOL, $bucketName);
        return;
    }

    $ipFilter = $info['ipFilter'];
    $updated = false;

    if (isset($ipFilter['publicNetworkSource']['allowedIpCidrRanges'])) {
        $ranges = $ipFilter['publicNetworkSource']['allowedIpCidrRanges'];
        $filteredRanges = array_filter($ranges, function ($range) {
            return $range !== '1.2.3.0/24';
        });
        if (count($ranges) !== count($filteredRanges)) {
            $ipFilter['publicNetworkSource']['allowedIpCidrRanges'] = array_values($filteredRanges);
            $updated = true;
        }
    }

    if ($updated) {
        $bucket->update(['ipFilter' => $ipFilter]);
        printf('Specific IP filtering rules deleted for bucket %s' . PHP_EOL, $bucketName);
    } else {
        printf('No matching IP filtering rules found to delete for bucket %s.' . PHP_EOL, $bucketName);
    }
}
# [END storage_delete_ip_filtering_rules]

// The following 2 lines are only needed to run the samples
require_once __DIR__ . '/../../testing/sample_helpers.php';
\Google\Cloud\Samples\execute_sample(__FILE__, __NAMESPACE__, $argv);
