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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; |
| 16 | |
| 17 | use Pop\Mime\Part\Exception; |
| 18 | use Pop\Utils\File; |
| 19 | |
| 20 | /** |
| 21 | * MIME message part class |
| 22 | * |
| 23 | * @category Pop |
| 24 | * @package Pop\Mime |
| 25 | * @author Nick Sagona, III <dev@noladev.com> |
| 26 | * @copyright Copyright (c) 2009-2027 NOLA Interactive, LLC. |
| 27 | * @license https://www.popphp.org/license New BSD License |
| 28 | * @version 3.0.0 |
| 29 | */ |
| 30 | class Part |
| 31 | { |
| 32 | |
| 33 | /** |
| 34 | * Headers |
| 35 | * @var array |
| 36 | */ |
| 37 | protected array $headers = []; |
| 38 | |
| 39 | /** |
| 40 | * Body |
| 41 | * @var ?Part\Body |
| 42 | */ |
| 43 | protected ?Part\Body $body = null; |
| 44 | |
| 45 | /** |
| 46 | * Nested parts |
| 47 | * @var array |
| 48 | */ |
| 49 | protected array $parts = []; |
| 50 | |
| 51 | /** |
| 52 | * Subtype |
| 53 | * @var ?string |
| 54 | */ |
| 55 | protected ?string $subType = null; |
| 56 | |
| 57 | /** |
| 58 | * Boundary |
| 59 | * @var ?string |
| 60 | */ |
| 61 | protected ?string $boundary = null; |
| 62 | |
| 63 | /** |
| 64 | * Constructor |
| 65 | * |
| 66 | * Instantiate the mime part object |
| 67 | * |
| 68 | */ |
| 69 | public function __construct() |
| 70 | { |
| 71 | $args = func_get_args(); |
| 72 | foreach ($args as $arg) { |
| 73 | if (is_array($arg)) { |
| 74 | foreach ($arg as $a) { |
| 75 | if ($a instanceof Part\Header) { |
| 76 | $this->addHeader($a); |
| 77 | } else if ($a instanceof Part) { |
| 78 | $this->addPart($a); |
| 79 | } |
| 80 | } |
| 81 | } else if ($arg instanceof Part\Header) { |
| 82 | $this->addHeader($arg); |
| 83 | } else if ($arg instanceof Part\Body) { |
| 84 | $this->setBody($arg); |
| 85 | } |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Add a header |
| 91 | * |
| 92 | * @param Part\Header|string $header |
| 93 | * @param ?string $value |
| 94 | * @return Part |
| 95 | */ |
| 96 | public function addHeader(Part\Header|string $header, ?string $value = null): Part |
| 97 | { |
| 98 | if ($header instanceof Part\Header) { |
| 99 | $this->headers[$header->getName()] = $header; |
| 100 | } else { |
| 101 | $this->headers[$header] = new Part\Header($header, $value); |
| 102 | } |
| 103 | |
| 104 | return $this; |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Add headers |
| 109 | * |
| 110 | * @param array $headers |
| 111 | * @return Part |
| 112 | */ |
| 113 | public function addHeaders(array $headers): Part |
| 114 | { |
| 115 | foreach ($headers as $header => $value) { |
| 116 | if ($value instanceof Part\Header) { |
| 117 | $this->addHeader($value); |
| 118 | } else { |
| 119 | $this->addHeader($header, $value); |
| 120 | } |
| 121 | } |
| 122 | return $this; |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * Get headers |
| 127 | * |
| 128 | * @return array |
| 129 | */ |
| 130 | public function getHeaders(): array |
| 131 | { |
| 132 | return $this->headers; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Get headers as array |
| 137 | * |
| 138 | * @return array |
| 139 | */ |
| 140 | public function getHeadersAsArray(): array |
| 141 | { |
| 142 | $headers = []; |
| 143 | |
| 144 | foreach ($this->headers as $header) { |
| 145 | $headers[$header->getName()] = $header->getValuesAsStrings(); |
| 146 | } |
| 147 | |
| 148 | return $headers; |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Get headers |
| 153 | * |
| 154 | * @param string $name |
| 155 | * @return Part\Header|null |
| 156 | */ |
| 157 | public function getHeader(string $name): Part\Header|null |
| 158 | { |
| 159 | return $this->headers[$name] ?? null; |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Has header |
| 164 | * |
| 165 | * @param string $name |
| 166 | * @return bool |
| 167 | */ |
| 168 | public function hasHeader(string $name): bool |
| 169 | { |
| 170 | return (isset($this->headers[$name])); |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * Has headers |
| 175 | * |
| 176 | * @return bool |
| 177 | */ |
| 178 | public function hasHeaders(): bool |
| 179 | { |
| 180 | return (count($this->headers) > 0); |
| 181 | } |
| 182 | |
| 183 | /** |
| 184 | * Remove header |
| 185 | * |
| 186 | * @param string $name |
| 187 | * @return Part |
| 188 | */ |
| 189 | public function removeHeader(string $name): Part |
| 190 | { |
| 191 | if (isset($this->headers[$name])) { |
| 192 | unset($this->headers[$name]); |
| 193 | } |
| 194 | return $this; |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Set body |
| 199 | * |
| 200 | * @param Part\Body|string $body |
| 201 | * @return Part |
| 202 | */ |
| 203 | public function setBody(Part\Body|string$body): Part |
| 204 | { |
| 205 | $this->body = ($body instanceof Part\Body) ? $body : new Part\Body($body); |
| 206 | return $this; |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * Add file as body |
| 211 | * |
| 212 | * @param string $file |
| 213 | * @param string $disposition |
| 214 | * @param Part\Body\Encoding $encoding |
| 215 | * @param int|bool $split |
| 216 | * @throws Exception |
| 217 | * @return Part |
| 218 | */ |
| 219 | public function addFile( |
| 220 | string $file, string $disposition = 'attachment', Part\Body\Encoding $encoding = Part\Body\Encoding::BASE64, int|bool $split = true |
| 221 | ): Part |
| 222 | { |
| 223 | $header = new Part\Header('Content-Disposition'); |
| 224 | $header->addValue($disposition, null, ['filename' => basename($file)]); |
| 225 | $this->addHeader($header); |
| 226 | |
| 227 | $this->body = new Part\Body(); |
| 228 | $this->body->setContentFromFile($file, $encoding, $split); |
| 229 | return $this; |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * Detect a content type from a filename's extension |
| 234 | * |
| 235 | * @param string $filename |
| 236 | * @return string |
| 237 | */ |
| 238 | protected static function detectContentType(string $filename): string |
| 239 | { |
| 240 | if (strtolower(pathinfo($filename, PATHINFO_EXTENSION)) === 'md') { |
| 241 | return 'text/plain'; |
| 242 | } |
| 243 | return File::getFileMimeType($filename) ?? 'application/octet-stream'; |
| 244 | } |
| 245 | |
| 246 | /** |
| 247 | * Create a text/plain part |
| 248 | * |
| 249 | * @param string $content |
| 250 | * @return static |
| 251 | */ |
| 252 | public static function text(string $content): static |
| 253 | { |
| 254 | $part = new static(); |
| 255 | $part->addHeader('Content-Type', 'text/plain'); |
| 256 | $part->setBody($content); |
| 257 | return $part; |
| 258 | } |
| 259 | |
| 260 | /** |
| 261 | * Create a text/html part |
| 262 | * |
| 263 | * @param string $content |
| 264 | * @return static |
| 265 | */ |
| 266 | public static function html(string $content): static |
| 267 | { |
| 268 | $part = new static(); |
| 269 | $part->addHeader('Content-Type', 'text/html'); |
| 270 | $part->setBody($content); |
| 271 | return $part; |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * Create an attachment part from a file on disk |
| 276 | * |
| 277 | * @param string $file |
| 278 | * @param ?string $contentType |
| 279 | * @param string $disposition |
| 280 | * @param Part\Body\Encoding $encoding |
| 281 | * @param int|bool $split |
| 282 | * @return static |
| 283 | */ |
| 284 | public static function attachment( |
| 285 | string $file, ?string $contentType = null, string $disposition = 'attachment', |
| 286 | Part\Body\Encoding $encoding = Part\Body\Encoding::BASE64, int|bool $split = true |
| 287 | ): static |
| 288 | { |
| 289 | $part = new static(); |
| 290 | $part->addHeader('Content-Type', $contentType ?? static::detectContentType($file)); |
| 291 | $part->addFile($file, $disposition, $encoding, $split); |
| 292 | return $part; |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * Create an attachment part from in-memory content |
| 297 | * |
| 298 | * @param string $content |
| 299 | * @param string $filename |
| 300 | * @param ?string $contentType |
| 301 | * @param string $disposition |
| 302 | * @param Part\Body\Encoding $encoding |
| 303 | * @param int|bool $split |
| 304 | * @return static |
| 305 | */ |
| 306 | public static function attachmentFromContent( |
| 307 | string $content, string $filename, ?string $contentType = null, string $disposition = 'attachment', |
| 308 | Part\Body\Encoding $encoding = Part\Body\Encoding::BASE64, int|bool $split = true |
| 309 | ): static |
| 310 | { |
| 311 | $part = new static(); |
| 312 | $part->addHeader('Content-Type', $contentType ?? static::detectContentType($filename)); |
| 313 | |
| 314 | $header = new Part\Header('Content-Disposition'); |
| 315 | $header->addValue($disposition, null, ['filename' => basename($filename)]); |
| 316 | $part->addHeader($header); |
| 317 | |
| 318 | $body = new Part\Body($content, $encoding, $split); |
| 319 | $body->setAsFile(true); |
| 320 | $part->setBody($body); |
| 321 | |
| 322 | return $part; |
| 323 | } |
| 324 | |
| 325 | /** |
| 326 | * Get body |
| 327 | * |
| 328 | * @return Part\Body |
| 329 | */ |
| 330 | public function getBody(): Part\Body |
| 331 | { |
| 332 | return $this->body; |
| 333 | } |
| 334 | |
| 335 | /** |
| 336 | * Has body |
| 337 | * |
| 338 | * @return bool |
| 339 | */ |
| 340 | public function hasBody(): bool |
| 341 | { |
| 342 | return ($this->body !== null); |
| 343 | } |
| 344 | |
| 345 | /** |
| 346 | * Add a nested part |
| 347 | * |
| 348 | * @param Part $part |
| 349 | * @return Part |
| 350 | */ |
| 351 | public function addPart(Part $part): Part |
| 352 | { |
| 353 | $this->parts[] = $part; |
| 354 | return $this; |
| 355 | } |
| 356 | |
| 357 | /** |
| 358 | * Add nested parts |
| 359 | * |
| 360 | * @param array $parts |
| 361 | * @return Part |
| 362 | */ |
| 363 | public function addParts(array $parts): Part |
| 364 | { |
| 365 | foreach ($parts as $part) { |
| 366 | if (is_array($part)) { |
| 367 | $file = false; |
| 368 | foreach ($part as $p) { |
| 369 | if (($p->hasBody()) && ($p->getBody()->isFile())) { |
| 370 | $file = true; |
| 371 | } |
| 372 | } |
| 373 | $subType = ($file) ? 'mixed' : 'alternative'; |
| 374 | $subParts = new Part(); |
| 375 | $subParts->setSubType($subType); |
| 376 | $subParts->addParts($part); |
| 377 | $this->addPart($subParts); |
| 378 | } else { |
| 379 | $this->addPart($part); |
| 380 | } |
| 381 | } |
| 382 | return $this; |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * Get nested parts |
| 387 | * |
| 388 | * @return array |
| 389 | */ |
| 390 | public function getParts(): array |
| 391 | { |
| 392 | return $this->parts; |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * Has nested parts |
| 397 | * |
| 398 | * @return bool |
| 399 | */ |
| 400 | public function hasParts(): bool |
| 401 | { |
| 402 | return (count($this->parts) > 0); |
| 403 | } |
| 404 | |
| 405 | /** |
| 406 | * Set subtype |
| 407 | * |
| 408 | * @param string $subType |
| 409 | * @return Part |
| 410 | */ |
| 411 | public function setSubType(string $subType): Part |
| 412 | { |
| 413 | $this->subType = $subType; |
| 414 | return $this; |
| 415 | } |
| 416 | |
| 417 | /** |
| 418 | * Get subtype |
| 419 | * |
| 420 | * @return string|null |
| 421 | */ |
| 422 | public function getSubType(): ?string |
| 423 | { |
| 424 | return $this->subType; |
| 425 | } |
| 426 | |
| 427 | /** |
| 428 | * Has subtype |
| 429 | * |
| 430 | * @return bool |
| 431 | */ |
| 432 | public function hasSubType(): bool |
| 433 | { |
| 434 | return ($this->subType !== null); |
| 435 | } |
| 436 | |
| 437 | /** |
| 438 | * Infer and set the subtype (alternative/mixed) from the current nested parts |
| 439 | * |
| 440 | * @return Part |
| 441 | */ |
| 442 | public function inferSubType(): Part |
| 443 | { |
| 444 | $hasText = false; |
| 445 | $hasHtml = false; |
| 446 | $hasFile = false; |
| 447 | |
| 448 | foreach ($this->parts as $part) { |
| 449 | if ($part->hasBody() && $part->getBody()->isFile()) { |
| 450 | $hasFile = true; |
| 451 | continue; |
| 452 | } |
| 453 | $contentType = $part->hasHeader('Content-Type') ? $part->getContentType() : null; |
| 454 | if (($contentType !== null) && str_starts_with($contentType, 'text/plain')) { |
| 455 | $hasText = true; |
| 456 | } else if (($contentType !== null) && str_starts_with($contentType, 'text/html')) { |
| 457 | $hasHtml = true; |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | if ($hasFile) { |
| 462 | $this->setSubType('mixed'); |
| 463 | } else if ($hasText && $hasHtml) { |
| 464 | $this->setSubType('alternative'); |
| 465 | } |
| 466 | |
| 467 | return $this; |
| 468 | } |
| 469 | |
| 470 | /** |
| 471 | * Set boundary |
| 472 | * |
| 473 | * @param string $boundary |
| 474 | * @return Part |
| 475 | */ |
| 476 | public function setBoundary(string $boundary): Part |
| 477 | { |
| 478 | $this->boundary = $boundary; |
| 479 | return $this; |
| 480 | } |
| 481 | |
| 482 | /** |
| 483 | * Get boundary |
| 484 | * |
| 485 | * @return string |
| 486 | */ |
| 487 | public function getBoundary(): string |
| 488 | { |
| 489 | return $this->boundary; |
| 490 | } |
| 491 | |
| 492 | /** |
| 493 | * Has boundary |
| 494 | * |
| 495 | * @return bool |
| 496 | */ |
| 497 | public function hasBoundary(): bool |
| 498 | { |
| 499 | return ($this->boundary !== null); |
| 500 | } |
| 501 | |
| 502 | /** |
| 503 | * Generate boundary |
| 504 | * |
| 505 | * @return string |
| 506 | */ |
| 507 | public function generateBoundary(): string |
| 508 | { |
| 509 | $this->setBoundary(sha1(uniqid())); |
| 510 | return $this->boundary; |
| 511 | } |
| 512 | |
| 513 | /** |
| 514 | * Generate a message/content ID |
| 515 | * |
| 516 | * @param ?string $domain |
| 517 | * @return string |
| 518 | */ |
| 519 | public function generateId(?string $domain = null): string |
| 520 | { |
| 521 | $left = md5(getmypid() . '.' . time() . '.' . uniqid((string)mt_rand(), true)); |
| 522 | $domain = $domain ?? ($_SERVER['SERVER_NAME'] ?? 'localhost'); |
| 523 | return '<' . $left . '@' . $domain . '>'; |
| 524 | } |
| 525 | |
| 526 | /** |
| 527 | * Set the Content-ID header |
| 528 | * |
| 529 | * @param ?string $id |
| 530 | * @param ?string $domain |
| 531 | * @return Part |
| 532 | */ |
| 533 | public function setContentId(?string $id = null, ?string $domain = null): Part |
| 534 | { |
| 535 | $this->addHeader('Content-ID', $id ?? $this->generateId($domain)); |
| 536 | return $this; |
| 537 | } |
| 538 | |
| 539 | /** |
| 540 | * Has attachment (check via a header) |
| 541 | * |
| 542 | * @return bool |
| 543 | */ |
| 544 | public function hasAttachment(): bool |
| 545 | { |
| 546 | $result = false; |
| 547 | |
| 548 | foreach ($this->headers as $header) { |
| 549 | if ($header->isAttachment()) { |
| 550 | $result = true; |
| 551 | break; |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | if ((!$result) && ($this->hasParts())) { |
| 556 | $result = $this->hasAttachments(); |
| 557 | } |
| 558 | |
| 559 | return $result; |
| 560 | } |
| 561 | |
| 562 | /** |
| 563 | * Does message have attachments (check via parts) |
| 564 | * |
| 565 | * @return bool |
| 566 | */ |
| 567 | public function hasAttachments(): bool |
| 568 | { |
| 569 | foreach ($this->parts as $part) { |
| 570 | if ($part->hasAttachment()) { |
| 571 | return true; |
| 572 | } |
| 573 | } |
| 574 | return false; |
| 575 | } |
| 576 | |
| 577 | /** |
| 578 | * Get attachments |
| 579 | * |
| 580 | * @return array |
| 581 | */ |
| 582 | public function getAttachments(): array |
| 583 | { |
| 584 | $attachments = []; |
| 585 | |
| 586 | foreach ($this->parts as $part) { |
| 587 | if ($part->getBody()->isFile()) { |
| 588 | $attachments[] = $part; |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | return $attachments; |
| 593 | } |
| 594 | |
| 595 | /** |
| 596 | * Get content-type |
| 597 | * |
| 598 | * @return string|null |
| 599 | */ |
| 600 | public function getContentType(): ?string |
| 601 | { |
| 602 | $contentType = null; |
| 603 | |
| 604 | if ($this->hasHeader('Content-Type') && (count($this->getHeader('Content-Type')->getValues()) == 1)) { |
| 605 | $contentType = (string)$this->getHeader('Content-Type')->getValue(0); |
| 606 | } |
| 607 | |
| 608 | return $contentType; |
| 609 | } |
| 610 | |
| 611 | /** |
| 612 | * Get attachment filename |
| 613 | * |
| 614 | * @return string|null |
| 615 | */ |
| 616 | public function getFilename(): string|null |
| 617 | { |
| 618 | $filename = null; |
| 619 | |
| 620 | if ($this->getBody()->isFile()) { |
| 621 | // Check Content-Disposition header (standard) |
| 622 | if ($this->hasHeader('Content-Disposition') && (count($this->getHeader('Content-Disposition')->getValues()) == 1)) { |
| 623 | $header = $this->getHeader('Content-Disposition'); |
| 624 | if ($header->getValue(0)->hasParameter('filename')) { |
| 625 | $filename = $header->getValue(0)->getParameter('filename'); |
| 626 | } else if ($header->getValue(0)->hasParameter('name')) { |
| 627 | $filename = $header->getValue(0)->getParameter('name'); |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | // Else, check Content-Type header (non-standard) |
| 632 | if ($filename === null) { |
| 633 | if ($this->hasHeader('Content-Type') && (count($this->getHeader('Content-Type')->getValues()) == 1)) { |
| 634 | $header = $this->getHeader('Content-Type'); |
| 635 | if ($header->getValue(0)->hasParameter('filename')) { |
| 636 | $filename = $header->getValue(0)->getParameter('filename'); |
| 637 | } else if ($header->getValue(0)->hasParameter('name')) { |
| 638 | $filename = $header->getValue(0)->getParameter('name'); |
| 639 | } |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | // Else, check Content-Description header (non-standard) |
| 644 | if ($filename === null) { |
| 645 | if ($this->hasHeader('Content-Description') && (count($this->getHeader('Content-Description')->getValues()) == 1)) { |
| 646 | $header = $this->getHeader('Content-Description'); |
| 647 | if ($header->getValue(0)->hasParameter('filename')) { |
| 648 | $filename = $header->getValue(0)->getParameter('filename'); |
| 649 | } else if ($header->getValue(0)->hasParameter('name')) { |
| 650 | $filename = $header->getValue(0)->getParameter('name'); |
| 651 | } |
| 652 | } |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | // Decode filename, if encoded |
| 657 | if ($filename !== null) { |
| 658 | $filename = Part\Header\EncodedWord::decode($filename); |
| 659 | } |
| 660 | |
| 661 | return $filename; |
| 662 | } |
| 663 | |
| 664 | /** |
| 665 | * Get contents (decoded) |
| 666 | * |
| 667 | * @return mixed |
| 668 | */ |
| 669 | public function getContents(): mixed |
| 670 | { |
| 671 | $content = $this->body->getContent(); |
| 672 | |
| 673 | if ($this->body->isEncoded()) { |
| 674 | if ($this->body->isBase64Encoding()) { |
| 675 | $content = base64_decode($content); |
| 676 | } else if ($this->body->isQuotedPrintableEncoding()) { |
| 677 | $content = quoted_printable_decode($content); |
| 678 | } else if ($this->body->isUrlEncoding()) { |
| 679 | $content = urldecode($content); |
| 680 | } else if ($this->body->isRawUrlEncoding()) { |
| 681 | $content = rawurldecode($content); |
| 682 | } |
| 683 | // Binary/7bit/8bit are identity encodings - content is already correct as-is. |
| 684 | } |
| 685 | |
| 686 | return $content; |
| 687 | } |
| 688 | |
| 689 | /** |
| 690 | * Render the part headers |
| 691 | * |
| 692 | * @return string |
| 693 | */ |
| 694 | public function renderHeaders(): string |
| 695 | { |
| 696 | return implode("\r\n", $this->headers) . "\r\n\r\n"; |
| 697 | } |
| 698 | |
| 699 | /** |
| 700 | * Render the parts |
| 701 | * |
| 702 | * @param bool $preamble |
| 703 | * @param bool $headers |
| 704 | * @return string |
| 705 | */ |
| 706 | public function renderParts(bool $preamble = true, bool $headers = true): string |
| 707 | { |
| 708 | $parts = ''; |
| 709 | |
| 710 | $boundary = (!$this->hasBoundary()) ? $this->generateBoundary() : $this->boundary; |
| 711 | if (!($this->hasHeader('Content-Type')) && ($this->hasSubType())) { |
| 712 | $this->addHeader( |
| 713 | new Part\Header('Content-Type', new Part\Header\Value('multipart/' . $this->subType, null, ['boundary' => $boundary])) |
| 714 | ); |
| 715 | } |
| 716 | if (($headers) && ($this->hasHeaders())) { |
| 717 | $parts .= $this->renderHeaders(); |
| 718 | } |
| 719 | if ($preamble) { |
| 720 | $parts .= "This is a multi-part message in MIME format.\r\n"; |
| 721 | } |
| 722 | foreach ($this->parts as $part) { |
| 723 | $parts .= "--" . $boundary . "\r\n" . $part . "\r\n"; |
| 724 | } |
| 725 | |
| 726 | $parts .= "--" . $boundary . "--\r\n"; |
| 727 | |
| 728 | return $parts; |
| 729 | } |
| 730 | |
| 731 | /** |
| 732 | * Render the part body |
| 733 | * |
| 734 | * @return string |
| 735 | */ |
| 736 | public function renderBody(): string |
| 737 | { |
| 738 | return $this->body->render(); |
| 739 | } |
| 740 | |
| 741 | /** |
| 742 | * Render the part |
| 743 | * |
| 744 | * @param bool $preamble |
| 745 | * @return string |
| 746 | */ |
| 747 | public function render(bool $preamble = true): string |
| 748 | { |
| 749 | $messagePart = ''; |
| 750 | |
| 751 | if ($this->hasParts()) { |
| 752 | $messagePart .= $this->renderParts($preamble); |
| 753 | } else if ($this->hasBody()) { |
| 754 | if ((!$this->hasHeader('Content-Transfer-Encoding')) && ($this->body->hasEncoding())) { |
| 755 | $encoding = $this->body->getEncoding()?->toHeaderValue(); |
| 756 | if ($encoding !== null) { |
| 757 | $this->addHeader(new Part\Header('Content-Transfer-Encoding', $encoding)); |
| 758 | } |
| 759 | } |
| 760 | if ($this->hasHeaders()) { |
| 761 | $messagePart .= $this->renderHeaders(); |
| 762 | } |
| 763 | $messagePart .= $this->renderBody(); |
| 764 | } |
| 765 | |
| 766 | return $messagePart; |
| 767 | } |
| 768 | |
| 769 | |
| 770 | /** |
| 771 | * Render the part raw (no headers or preamble) |
| 772 | * |
| 773 | * @return string |
| 774 | */ |
| 775 | public function renderRaw(): string |
| 776 | { |
| 777 | return $this->renderParts(false, false); |
| 778 | } |
| 779 | |
| 780 | /** |
| 781 | * Render the part |
| 782 | * |
| 783 | * @return string |
| 784 | */ |
| 785 | public function __toString(): string |
| 786 | { |
| 787 | return $this->render(); |
| 788 | } |
| 789 | |
| 790 | } |