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| 1 | <?php |
| 2 | |
| 3 | namespace Proton\IosReceiptParser; |
| 4 | |
| 5 | use Proton\IosReceiptParser\ASN1\SimpleDecoder; |
| 6 | use Proton\IosReceiptParser\Attribute\AttributeSet; |
| 7 | use Proton\IosReceiptParser\Attribute\AttributeType; |
| 8 | use phpseclib3\File\ASN1; |
| 9 | |
| 10 | /** |
| 11 | * @psalm-import-type AttributeSequence from AttributeSet |
| 12 | */ |
| 13 | final class Receipt implements \JsonSerializable |
| 14 | { |
| 15 | /** @var AttributeSet */ |
| 16 | private $attributes; |
| 17 | |
| 18 | /** @var SimpleDecoder */ |
| 19 | private $decoder; |
| 20 | |
| 21 | /** |
| 22 | * @psalm-param list<AttributeSet> $data |
| 23 | */ |
| 24 | public function __construct(array $data, SimpleDecoder $decoder) |
| 25 | { |
| 26 | $this->attributes = new AttributeSet($data, 'receipt'); |
| 27 | $this->decoder = $decoder; |
| 28 | } |
| 29 | |
| 30 | /** |
| 31 | * @throws Exception\AttributeMissingException |
| 32 | */ |
| 33 | public function getBundleId(): string |
| 34 | { |
| 35 | return $this->decoder->decode( |
| 36 | $this->attributes->getRequired(AttributeType::RECEIPT_BUNDLE_ID), |
| 37 | ASN1::TYPE_UTF8_STRING, |
| 38 | ); |
| 39 | } |
| 40 | |
| 41 | /** |
| 42 | * @throws Exception\AttributeMissingException |
| 43 | */ |
| 44 | public function getAppVersion(): string |
| 45 | { |
| 46 | return $this->decoder->decode( |
| 47 | $this->attributes->getRequired(AttributeType::RECEIPT_APP_VERSION), |
| 48 | ASN1::TYPE_UTF8_STRING, |
| 49 | ); |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * @throws Exception\AttributeMissingException |
| 54 | */ |
| 55 | public function getOpaque(): string |
| 56 | { |
| 57 | return $this->decoder->decodeBase64( |
| 58 | $this->attributes->getRequired(AttributeType::RECEIPT_OPAQUE), |
| 59 | ASN1::TYPE_OCTET_STRING, |
| 60 | ); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * @throws Exception\AttributeMissingException |
| 65 | */ |
| 66 | public function getSha1(): string |
| 67 | { |
| 68 | return $this->decoder->decodeBase64( |
| 69 | $this->attributes->getRequired(AttributeType::RECEIPT_SHA1), |
| 70 | ASN1::TYPE_NULL, |
| 71 | ); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * @throws Exception\AttributeMissingException |
| 76 | */ |
| 77 | public function getCreationDate(): string |
| 78 | { |
| 79 | return $this->decoder->decode( |
| 80 | $this->attributes->getRequired(AttributeType::RECEIPT_CREATION_DATE), |
| 81 | ASN1::TYPE_IA5_STRING, |
| 82 | ); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * @throws Exception\AttributeMissingException |
| 87 | */ |
| 88 | public function getCreationDateTimestamp(): string |
| 89 | { |
| 90 | return Parser::convertTimestampMs($this->getCreationDate()); |
| 91 | } |
| 92 | |
| 93 | public function getInApp(): array |
| 94 | { |
| 95 | return array_map(function (string $inApp): InApp { |
| 96 | $attributes = $this->decoder->decodeAttributesSet($inApp); |
| 97 | return new InApp($attributes, $this->decoder); |
| 98 | }, $this->attributes->getMulti(AttributeType::RECEIPT_IN_APP)); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * @throws Exception\AttributeMissingException |
| 103 | */ |
| 104 | public function getOriginalAppVersion(): string |
| 105 | { |
| 106 | $raw = $this->attributes->get(AttributeType::RECEIPT_ORIGINAL_APP_VERSION); |
| 107 | |
| 108 | return $raw === null |
| 109 | ? $this->getAppVersion() |
| 110 | : $this->decoder->decode($raw, ASN1::TYPE_UTF8_STRING); |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * @throws Exception\AttributeMissingException |
| 115 | */ |
| 116 | public function getExpirationDate(): string |
| 117 | { |
| 118 | return $this->decoder->decode( |
| 119 | $this->attributes->getRequired(AttributeType::RECEIPT_EXPIRATION_DATE), |
| 120 | ASN1::TYPE_IA5_STRING, |
| 121 | ); |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * @throws Exception\AttributeMissingException |
| 126 | */ |
| 127 | public function getExpirationDateTimestamp(): string |
| 128 | { |
| 129 | return Parser::convertTimestampMs($this->getExpirationDate()); |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * @throws Exception\AttributeMissingException |
| 134 | */ |
| 135 | public function jsonSerialize(): array |
| 136 | { |
| 137 | $return = []; |
| 138 | |
| 139 | foreach ([ |
| 140 | AttributeType::RECEIPT_APP_ITEM_ID => 0, |
| 141 | AttributeType::RECEIPT_BUNDLE_ID => $this->getBundleId(), |
| 142 | AttributeType::RECEIPT_APP_VERSION => $this->getAppVersion(), |
| 143 | AttributeType::RECEIPT_CREATION_DATE => $this->getCreationDate(), |
| 144 | AttributeType::RECEIPT_CREATION_DATE_MS => $this->getCreationDateTimestamp(), |
| 145 | AttributeType::RECEIPT_IN_APP => array_map(function (InApp $inApp): array { |
| 146 | return $inApp->jsonSerialize(); |
| 147 | }, $this->getInApp()), |
| 148 | AttributeType::RECEIPT_ORIGINAL_APP_VERSION => $this->getOriginalAppVersion(), |
| 149 | AttributeType::RECEIPT_EXPIRATION_DATE => $this->getExpirationDate(), |
| 150 | AttributeType::RECEIPT_EXPIRATION_DATE_MS => $this->getExpirationDateTimestamp(), |
| 151 | ] as $type => $value) { |
| 152 | $return[AttributeType::getJsonFieldName($type)] = $value; |
| 153 | } |
| 154 | |
| 155 | return $return; |
| 156 | } |
| 157 | } |