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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * SPDX-License-Identifier: EUPL-1.2 |
| 5 | * |
| 6 | * This file is part of icap-flow. |
| 7 | * |
| 8 | * Licensed under the EUPL, Version 1.2 only (the "Licence"); |
| 9 | * you may not use this work except in compliance with the Licence. |
| 10 | * You may obtain a copy of the Licence at: |
| 11 | * |
| 12 | * https://joinup.ec.europa.eu/collection/eupl/eupl-text-eupl-12 |
| 13 | * |
| 14 | * Unless required by applicable law or agreed to in writing, software |
| 15 | * distributed under the Licence is distributed on an "AS IS" basis, |
| 16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 17 | */ |
| 18 | |
| 19 | declare(strict_types=1); |
| 20 | |
| 21 | namespace Ndrstmr\Icap; |
| 22 | |
| 23 | use Amp\Cancellation; |
| 24 | use Amp\Future; |
| 25 | use Ndrstmr\Icap\DTO\IcapRequest; |
| 26 | use Ndrstmr\Icap\DTO\IcapResponse; |
| 27 | use Ndrstmr\Icap\DTO\ScanResult; |
| 28 | use Ndrstmr\Icap\Config; |
| 29 | use Ndrstmr\Icap\Transport\SynchronousStreamTransport; |
| 30 | use Ndrstmr\Icap\RequestFormatter; |
| 31 | use Ndrstmr\Icap\ResponseParser; |
| 32 | use Ndrstmr\Icap\DefaultPreviewStrategy; |
| 33 | |
| 34 | /** |
| 35 | * Simple synchronous wrapper around {@link IcapClient}. |
| 36 | * |
| 37 | * Each call is one operation of the wrapped client and ends at the latest after its `Config::getOperationTimeout()` |
| 38 | * (60 seconds by default), with an {@see \Ndrstmr\Icap\Exception\IcapTimeoutException}: raise it for large |
| 39 | * files or a slow scanner. With the synchronous transport the waits of the socket are bounded by it, but code that |
| 40 | * does not return (a request-body producer) is only noticed afterwards. |
| 41 | */ |
| 42 | final class SynchronousIcapClient |
| 43 | { |
| 44 | private IcapClientInterface $asyncClient; |
| 45 | |
| 46 | /** |
| 47 | * @param IcapClientInterface $asyncClient Underlying asynchronous client |
| 48 | */ |
| 49 | public function __construct(IcapClientInterface $asyncClient) |
| 50 | { |
| 51 | $this->asyncClient = $asyncClient; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Create a client with default configuration. |
| 56 | */ |
| 57 | public static function create(): self |
| 58 | { |
| 59 | $asyncClient = new IcapClient( |
| 60 | new Config('127.0.0.1'), |
| 61 | new SynchronousStreamTransport(), |
| 62 | new RequestFormatter(), |
| 63 | new ResponseParser(), |
| 64 | new DefaultPreviewStrategy(), |
| 65 | ); |
| 66 | |
| 67 | return new self($asyncClient); |
| 68 | } |
| 69 | |
| 70 | public function request(IcapRequest $request, ?Cancellation $cancellation = null): ScanResult |
| 71 | { |
| 72 | return $this->asyncClient->request($request, $cancellation)->await(); |
| 73 | } |
| 74 | |
| 75 | public function options(string $service, ?Cancellation $cancellation = null): IcapResponse |
| 76 | { |
| 77 | return $this->asyncClient->options($service, $cancellation)->await(); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * @param array<string, string|string[]> $extraHeaders |
| 82 | * @throws \Ndrstmr\Icap\Exception\IcapStorageException When the file cannot be opened, sized or read to its end |
| 83 | */ |
| 84 | public function scanFile( |
| 85 | string $service, |
| 86 | string $filePath, |
| 87 | array $extraHeaders = [], |
| 88 | ?Cancellation $cancellation = null, |
| 89 | ): ScanResult { |
| 90 | return $this->asyncClient->scanFile($service, $filePath, $extraHeaders, $cancellation)->await(); |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * {@see DiscardingIcapClient::scanFileDiscardingBody()}, awaited. |
| 95 | * |
| 96 | * @param array<string, string|string[]> $extraHeaders |
| 97 | * @throws \LogicException When the wrapped client does not implement {@see DiscardingIcapClient} |
| 98 | */ |
| 99 | public function scanFileDiscardingBody( |
| 100 | string $service, |
| 101 | string $filePath, |
| 102 | int $maxResponseBytes, |
| 103 | array $extraHeaders = [], |
| 104 | ?Cancellation $cancellation = null, |
| 105 | ): ScanResult { |
| 106 | return $this->discardingClient()->scanFileDiscardingBody($service, $filePath, $maxResponseBytes, $extraHeaders, $cancellation)->await(); |
| 107 | } |
| 108 | |
| 109 | /** |
| 110 | * {@see DiscardingIcapClient::scanFileWithPreviewDiscardingBody()}, awaited. |
| 111 | * |
| 112 | * @param array<string, string|string[]> $extraHeaders |
| 113 | * @throws \LogicException When the wrapped client does not implement {@see DiscardingIcapClient} |
| 114 | */ |
| 115 | public function scanFileWithPreviewDiscardingBody( |
| 116 | string $service, |
| 117 | string $filePath, |
| 118 | int $maxResponseBytes, |
| 119 | ?int $previewSize = null, |
| 120 | array $extraHeaders = [], |
| 121 | ?Cancellation $cancellation = null, |
| 122 | ): ScanResult { |
| 123 | return $this->discardingClient()->scanFileWithPreviewDiscardingBody($service, $filePath, $maxResponseBytes, $previewSize, $extraHeaders, $cancellation)->await(); |
| 124 | } |
| 125 | |
| 126 | private function discardingClient(): DiscardingIcapClient |
| 127 | { |
| 128 | return $this->asyncClient instanceof DiscardingIcapClient |
| 129 | ? $this->asyncClient |
| 130 | : throw new \LogicException($this->asyncClient::class . ' cannot discard the body of a response; it does not implement ' . DiscardingIcapClient::class . '.'); |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * @param array<string, string|string[]> $extraHeaders |
| 135 | * @throws \Ndrstmr\Icap\Exception\IcapStorageException When the file cannot be opened, sized or read to its end |
| 136 | * @throws \LogicException When the transport of the wrapped client cannot continue a preview on its connection |
| 137 | */ |
| 138 | public function scanFileWithPreview( |
| 139 | string $service, |
| 140 | string $filePath, |
| 141 | ?int $previewSize = null, |
| 142 | array $extraHeaders = [], |
| 143 | ?Cancellation $cancellation = null, |
| 144 | ): ScanResult { |
| 145 | return $this->asyncClient->scanFileWithPreview($service, $filePath, $previewSize, $extraHeaders, $cancellation)->await(); |
| 146 | } |
| 147 | } |