dualfroz
94041263a0
addrAppend() joined all addresses onto one line, so a To, Cc, Bcc or Reply-To header with many recipients could go past the 998 character limit in RFC 5322. Fold between addresses when the next one would not fit. Short lists are unchanged. Fixes #2690
65 lines
2.1 KiB
PHP
65 lines
2.1 KiB
PHP
<?php
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/**
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* PHPMailer - PHP email transport unit tests.
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* PHP version 5.5.
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*
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* @author Marcus Bointon <phpmailer@synchromedia.co.uk>
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* @author Andy Prevost
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* @copyright 2012 - 2020 Marcus Bointon
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* @copyright 2004 - 2009 Andy Prevost
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* @license https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html GNU Lesser General Public License
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*/
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namespace PHPMailer\Test\PHPMailer;
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use PHPMailer\PHPMailer\PHPMailer;
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use PHPMailer\Test\TestCase;
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/**
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* Test creating address headers.
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*
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* @covers \PHPMailer\PHPMailer\PHPMailer::addrAppend
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*/
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final class AddrAppendTest extends TestCase
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{
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/**
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* A short address list stays on one line.
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*/
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public function testShortListIsNotFolded()
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{
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$header = $this->Mail->addrAppend('To', [['joe@example.com', 'Joe'], ['zoe@example.com', '']]);
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self::assertSame('To: Joe <joe@example.com>, zoe@example.com' . PHPMailer::CRLF, $header);
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}
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/**
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* A long address list is folded between addresses so no line exceeds the RFC 5322 limit.
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*/
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public function testLongListIsFolded()
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{
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$addresses = [];
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$formatted = [];
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for ($i = 1; $i <= 100; ++$i) {
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$addresses[] = ['recipient' . $i . '@example.com', 'Recipient ' . $i];
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$formatted[] = 'Recipient ' . $i . ' <recipient' . $i . '@example.com>';
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}
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$header = $this->Mail->addrAppend('Cc', $addresses);
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$lines = explode(PHPMailer::CRLF, substr($header, 0, -strlen(PHPMailer::CRLF)));
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self::assertGreaterThan(1, count($lines), 'The header was not folded');
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foreach ($lines as $index => $line) {
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self::assertLessThanOrEqual(PHPMailer::MAX_LINE_LENGTH, strlen($line), "Line $index is too long");
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if ($index > 0) {
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self::assertSame(' ', $line[0], "Line $index is not a folded continuation");
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}
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}
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self::assertSame(
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'Cc: ' . implode(', ', $formatted) . PHPMailer::CRLF,
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str_replace(PHPMailer::CRLF . ' ', ' ', $header),
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'Unfolding the header did not give back the address list'
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);
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}
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}
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