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| 1 | <?php |
| 2 | /** |
| 3 | * Pop PHP Framework (https://www.popphp.org/) |
| 4 | * |
| 5 | * @link https://github.com/popphp/popphp-framework |
| 6 | * @author Nick Sagona, III <dev@noladev.com> |
| 7 | * @copyright Copyright (c) 2009-2026 NOLA Interactive, LLC. |
| 8 | * @license https://www.popphp.org/license New BSD License |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * @namespace |
| 13 | */ |
| 14 | namespace Pop\Mail\Message; |
| 15 | |
| 16 | use Pop\Mail\Message; |
| 17 | |
| 18 | /** |
| 19 | * Abstract mail message part class |
| 20 | * |
| 21 | * @category Pop |
| 22 | * @package Pop\Mail |
| 23 | * @author Nick Sagona, III <dev@noladev.com> |
| 24 | * @copyright Copyright (c) 2009-2026 NOLA Interactive, LLC. |
| 25 | * @license https://www.popphp.org/license New BSD License |
| 26 | * @version 4.0.7 |
| 27 | */ |
| 28 | abstract class AbstractPart extends AbstractMessage implements PartInterface |
| 29 | { |
| 30 | |
| 31 | /** |
| 32 | * Encoding constants |
| 33 | * @var string |
| 34 | */ |
| 35 | const BASE64 = 'BASE64'; |
| 36 | const QUOTED_PRINTABLE = 'QUOTED_PRINTABLE'; |
| 37 | const BINARY = 'BINARY'; |
| 38 | const _8BIT = '_8BIT'; |
| 39 | const _7BIT = '_7BIT'; |
| 40 | |
| 41 | /** |
| 42 | * Message part content |
| 43 | * @var ?string |
| 44 | */ |
| 45 | protected ?string $content = null; |
| 46 | |
| 47 | /** |
| 48 | * Message part encoding |
| 49 | * @var ?string |
| 50 | */ |
| 51 | protected ?string $encoding = null; |
| 52 | |
| 53 | /** |
| 54 | * Constructor |
| 55 | * |
| 56 | * Instantiate the message part object |
| 57 | * |
| 58 | * @param string $content |
| 59 | * @param string $contentType |
| 60 | * @param ?string $encoding |
| 61 | * @param bool $chunk |
| 62 | */ |
| 63 | public function __construct(string $content, string $contentType = 'text/plain', ?string $encoding = null, bool $chunk = false) |
| 64 | { |
| 65 | if ($encoding !== null) { |
| 66 | $this->setEncoding($encoding); |
| 67 | |
| 68 | switch ($this->encoding) { |
| 69 | case self::BASE64: |
| 70 | $content = base64_encode($content); |
| 71 | $this->addHeader('Content-Transfer-Encoding', 'base64'); |
| 72 | break; |
| 73 | case self::QUOTED_PRINTABLE: |
| 74 | $content = quoted_printable_encode($content); |
| 75 | $this->addHeader('Content-Transfer-Encoding', 'quoted-printable'); |
| 76 | break; |
| 77 | case self::BINARY: |
| 78 | $this->addHeader('Content-Transfer-Encoding', 'binary'); |
| 79 | break; |
| 80 | case self::_7BIT: |
| 81 | $this->addHeader('Content-Transfer-Encoding', '7bit'); |
| 82 | break; |
| 83 | case self::_8BIT: |
| 84 | $this->addHeader('Content-Transfer-Encoding', '8bit'); |
| 85 | break; |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | if ($chunk) { |
| 90 | $content = chunk_split($content); |
| 91 | } |
| 92 | |
| 93 | $this->setContent($content); |
| 94 | $this->setContentType($contentType); |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Get message part content |
| 99 | * |
| 100 | * @return ?string |
| 101 | */ |
| 102 | public function getContent(): ?string |
| 103 | { |
| 104 | return $this->content; |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Set message part content |
| 109 | * |
| 110 | * @param string $content |
| 111 | * @return AbstractPart |
| 112 | */ |
| 113 | public function setContent(string $content): AbstractPart |
| 114 | { |
| 115 | $this->content = $content; |
| 116 | return $this; |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Get message part encoding |
| 121 | * |
| 122 | * @return ?string |
| 123 | */ |
| 124 | public function getEncoding(): ?string |
| 125 | { |
| 126 | return $this->encoding; |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Set message part encoding |
| 131 | * |
| 132 | * @param string $encoding |
| 133 | * @return AbstractPart |
| 134 | */ |
| 135 | public function setEncoding(string $encoding): AbstractPart |
| 136 | { |
| 137 | $this->encoding = $encoding; |
| 138 | return $this; |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Check if encoding is base64 |
| 143 | * |
| 144 | * @return bool |
| 145 | */ |
| 146 | public function isBase64(): bool |
| 147 | { |
| 148 | return ($this->encoding == self::BASE64); |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Check if encoding is quoted printable |
| 153 | * |
| 154 | * @return bool |
| 155 | */ |
| 156 | public function isQuotedPrintable(): bool |
| 157 | { |
| 158 | return ($this->encoding == self::QUOTED_PRINTABLE); |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Check if encoding is 8-bit |
| 163 | * |
| 164 | * @return bool |
| 165 | */ |
| 166 | public function is8Bit(): bool |
| 167 | { |
| 168 | return ($this->encoding == self::_8BIT); |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Check if encoding is 7-bit |
| 173 | * |
| 174 | * @return bool |
| 175 | */ |
| 176 | public function is7Bit(): bool |
| 177 | { |
| 178 | return ($this->encoding == self::_7BIT); |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Get message body |
| 183 | * |
| 184 | * @return ?string |
| 185 | */ |
| 186 | public function getBody(): ?string |
| 187 | { |
| 188 | return $this->getContent(); |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * Render message |
| 193 | * |
| 194 | * @param array $omitHeaders |
| 195 | * @return string |
| 196 | */ |
| 197 | public function render(array $omitHeaders = []): string |
| 198 | { |
| 199 | return $this->getHeadersAsString($omitHeaders) . Message::CRLF . $this->getBody() . Message::CRLF . Message::CRLF; |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * Render as an array of lines |
| 204 | * |
| 205 | * @param array $omitHeaders |
| 206 | * @return array |
| 207 | */ |
| 208 | public function renderAsLines(array $omitHeaders = []): array |
| 209 | { |
| 210 | $lines = []; |
| 211 | |
| 212 | $headers = explode(Message::CRLF, $this->getHeadersAsString($omitHeaders) . Message::CRLF); |
| 213 | $body = explode(Message::CRLF, $this->getContent()); |
| 214 | |
| 215 | foreach ($headers as $header) { |
| 216 | $lines[] = trim($header); |
| 217 | } |
| 218 | |
| 219 | foreach ($body as $line) { |
| 220 | $lines[] = trim($line); |
| 221 | } |
| 222 | |
| 223 | $lines[] = Message::CRLF; |
| 224 | $lines[] = Message::CRLF; |
| 225 | |
| 226 | return $lines; |
| 227 | } |
| 228 | |
| 229 | } |