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| 1 | <?php |
| 2 | declare(strict_types=1); |
| 3 | /** |
| 4 | * Pop PHP Framework (https://www.popphp.org/) |
| 5 | * |
| 6 | * @link https://github.com/popphp/popphp-framework |
| 7 | * @author Nick Sagona, III <dev@noladev.com> |
| 8 | * @copyright Copyright (c) 2009-2027 NOLA Interactive, LLC. |
| 9 | * @license https://www.popphp.org/license New BSD License |
| 10 | */ |
| 11 | |
| 12 | /** |
| 13 | * @namespace |
| 14 | */ |
| 15 | namespace Pop\Mime\Part\Header; |
| 16 | |
| 17 | /** |
| 18 | * RFC 5322 address - a single mailbox (optional display name + addr-spec). |
| 19 | * Not a full RFC 5322 grammar: no groups, no obs-* forms - malformed or |
| 20 | * unusual input degrades to a bare address rather than throwing. |
| 21 | * |
| 22 | * @category Pop |
| 23 | * @package Pop\Mime |
| 24 | * @author Nick Sagona, III <dev@noladev.com> |
| 25 | * @copyright Copyright (c) 2009-2027 NOLA Interactive, LLC. |
| 26 | * @license https://www.popphp.org/license New BSD License |
| 27 | * @version 3.0.0 |
| 28 | */ |
| 29 | final class Address |
| 30 | { |
| 31 | |
| 32 | /** |
| 33 | * Display name, already RFC 2047-decoded |
| 34 | * @var ?string |
| 35 | */ |
| 36 | protected ?string $name = null; |
| 37 | |
| 38 | /** |
| 39 | * The addr-spec (e.g. "john@example.com"), kept as an opaque string |
| 40 | * @var string |
| 41 | */ |
| 42 | protected string $address; |
| 43 | |
| 44 | /** |
| 45 | * @param string $address |
| 46 | * @param ?string $name |
| 47 | */ |
| 48 | public function __construct(string $address, ?string $name = null) |
| 49 | { |
| 50 | $this->address = $address; |
| 51 | $this->name = $name; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Parse a single address (no comma-splitting - see AddressList for |
| 56 | * multiple addresses). Never throws - malformed input (unbalanced or |
| 57 | * absent angle brackets) degrades to treating the whole string as a |
| 58 | * bare address. |
| 59 | * |
| 60 | * @param string $text |
| 61 | * @return Address |
| 62 | */ |
| 63 | public static function parse(string $text): Address |
| 64 | { |
| 65 | $trimmed = trim($text); |
| 66 | $tokens = (new Lexer($trimmed))->tokenize(); |
| 67 | |
| 68 | $openIndex = null; |
| 69 | $closeIndex = null; |
| 70 | foreach ($tokens as $i => $token) { |
| 71 | if (($token->type === Lexer::DELIMITER) && ($token->value === '<') && ($openIndex === null)) { |
| 72 | $openIndex = $i; |
| 73 | } else if (($token->type === Lexer::DELIMITER) && ($token->value === '>') && |
| 74 | ($openIndex !== null) && ($closeIndex === null)) { |
| 75 | $closeIndex = $i; |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | if (($openIndex === null) || ($closeIndex === null)) { |
| 80 | return new self($trimmed); |
| 81 | } |
| 82 | |
| 83 | foreach (array_slice($tokens, $closeIndex + 1) as $token) { |
| 84 | if ($token->type !== Lexer::FWS) { |
| 85 | return new self($trimmed); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | $name = self::renderName(array_slice($tokens, 0, $openIndex)); |
| 90 | $openEnd = $tokens[$openIndex]->end; |
| 91 | $closeToken = $tokens[$closeIndex]; |
| 92 | $address = trim(substr($trimmed, $openEnd, $closeToken->start - $openEnd)); |
| 93 | |
| 94 | return new self($address, $name); |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * @param Token[] $tokens |
| 99 | * @return ?string |
| 100 | */ |
| 101 | protected static function renderName(array $tokens): ?string |
| 102 | { |
| 103 | $value = ''; |
| 104 | foreach ($tokens as $token) { |
| 105 | $value .= ($token->type === Lexer::FWS) ? ' ' : $token->value; |
| 106 | } |
| 107 | $value = trim($value); |
| 108 | |
| 109 | return ($value !== '') ? EncodedWord::decode($value) : null; |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * @return ?string |
| 114 | */ |
| 115 | public function getName(): ?string |
| 116 | { |
| 117 | return $this->name; |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * @param ?string $name |
| 122 | * @return Address |
| 123 | */ |
| 124 | public function setName(?string $name): Address |
| 125 | { |
| 126 | $this->name = $name; |
| 127 | return $this; |
| 128 | } |
| 129 | |
| 130 | /** |
| 131 | * @return string |
| 132 | */ |
| 133 | public function getAddress(): string |
| 134 | { |
| 135 | return $this->address; |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * @param string $address |
| 140 | * @return Address |
| 141 | */ |
| 142 | public function setAddress(string $address): Address |
| 143 | { |
| 144 | $this->address = $address; |
| 145 | return $this; |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * @return string |
| 150 | */ |
| 151 | public function render(): string |
| 152 | { |
| 153 | if ($this->name === null) { |
| 154 | return $this->address; |
| 155 | } |
| 156 | |
| 157 | $encoded = EncodedWord::encode($this->name); |
| 158 | |
| 159 | if (($encoded === $this->name) && self::needsQuoting($this->name)) { |
| 160 | $encoded = '"' . addcslashes($encoded, '"\\') . '"'; |
| 161 | } |
| 162 | |
| 163 | return $encoded . ' <' . $this->address . '>'; |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * @param string $name |
| 168 | * @return bool |
| 169 | */ |
| 170 | protected static function needsQuoting(string $name): bool |
| 171 | { |
| 172 | return (bool)preg_match('/[,;:<>()\[\]@\\\\"]/', $name); |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * @return string |
| 177 | */ |
| 178 | public function __toString(): string |
| 179 | { |
| 180 | return $this->render(); |
| 181 | } |
| 182 | |
| 183 | } |