first commit

vendor/symfony/mime/Encoder/AddressEncoderInterface.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Encoder;
+
+use Symfony\Component\Mime\Exception\AddressEncoderException;
+
+/**
+ * @author Christian Schmidt
+ */
+interface AddressEncoderInterface
+{
+    /**
+     * Encodes an email address.
+     *
+     * @throws AddressEncoderException if the email cannot be represented in
+     *                                 the encoding implemented by this class
+     */
+    public function encodeString(string $address): string;
+}

vendor/symfony/mime/Encoder/Base64ContentEncoder.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Encoder;
+
+use Symfony\Component\Mime\Exception\RuntimeException;
+
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+final class Base64ContentEncoder extends Base64Encoder implements ContentEncoderInterface
+{
+    public function encodeByteStream($stream, int $maxLineLength = 0): iterable
+    {
+        if (!\is_resource($stream)) {
+            throw new \TypeError(sprintf('Method "%s" takes a stream as a first argument.', __METHOD__));
+        }
+
+        $filter = stream_filter_append($stream, 'convert.base64-encode', \STREAM_FILTER_READ, [
+            'line-length' => 0 >= $maxLineLength || 76 < $maxLineLength ? 76 : $maxLineLength,
+            'line-break-chars' => "\r\n",
+        ]);
+        if (!\is_resource($filter)) {
+            throw new RuntimeException('Unable to set the base64 content encoder to the filter.');
+        }
+
+        while (!feof($stream)) {
+            yield fread($stream, 16372);
+        }
+        stream_filter_remove($filter);
+    }
+
+    public function getName(): string
+    {
+        return 'base64';
+    }
+}

vendor/symfony/mime/Encoder/Base64Encoder.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Encoder;
+
+/**
+ * @author Chris Corbyn
+ */
+class Base64Encoder implements EncoderInterface
+{
+    /**
+     * Takes an unencoded string and produces a Base64 encoded string from it.
+     *
+     * Base64 encoded strings have a maximum line length of 76 characters.
+     * If the first line needs to be shorter, indicate the difference with
+     * $firstLineOffset.
+     */
+    public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string
+    {
+        if (0 >= $maxLineLength || 76 < $maxLineLength) {
+            $maxLineLength = 76;
+        }
+
+        $encodedString = base64_encode($string);
+        $firstLine = '';
+        if (0 !== $firstLineOffset) {
+            $firstLine = substr($encodedString, 0, $maxLineLength - $firstLineOffset)."\r\n";
+            $encodedString = substr($encodedString, $maxLineLength - $firstLineOffset);
+        }
+
+        return $firstLine.trim(chunk_split($encodedString, $maxLineLength, "\r\n"));
+    }
+}

vendor/symfony/mime/Encoder/Base64MimeHeaderEncoder.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Encoder;
+
+/**
+ * @author Chris Corbyn
+ */
+final class Base64MimeHeaderEncoder extends Base64Encoder implements MimeHeaderEncoderInterface
+{
+    public function getName(): string
+    {
+        return 'B';
+    }
+
+    /**
+     * Takes an unencoded string and produces a Base64 encoded string from it.
+     *
+     * If the charset is iso-2022-jp, it uses mb_encode_mimeheader instead of
+     * default encodeString, otherwise pass to the parent method.
+     */
+    public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string
+    {
+        if ('iso-2022-jp' === strtolower($charset)) {
+            $old = mb_internal_encoding();
+            mb_internal_encoding('utf-8');
+            $newstring = mb_encode_mimeheader($string, 'iso-2022-jp', $this->getName(), "\r\n");
+            mb_internal_encoding($old);
+
+            return $newstring;
+        }
+
+        return parent::encodeString($string, $charset, $firstLineOffset, $maxLineLength);
+    }
+}

vendor/symfony/mime/Encoder/ContentEncoderInterface.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Encoder;
+
+/**
+ * @author Chris Corbyn
+ */
+interface ContentEncoderInterface extends EncoderInterface
+{
+    /**
+     * Encodes the stream to a Generator.
+     *
+     * @param resource $stream
+     */
+    public function encodeByteStream($stream, int $maxLineLength = 0): iterable;
+
+    /**
+     * Gets the MIME name of this content encoding scheme.
+     */
+    public function getName(): string;
+}

vendor/symfony/mime/Encoder/EightBitContentEncoder.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Encoder;
+
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+final class EightBitContentEncoder implements ContentEncoderInterface
+{
+    public function encodeByteStream($stream, int $maxLineLength = 0): iterable
+    {
+        while (!feof($stream)) {
+            yield fread($stream, 16372);
+        }
+    }
+
+    public function getName(): string
+    {
+        return '8bit';
+    }
+
+    public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string
+    {
+        return $string;
+    }
+}

vendor/symfony/mime/Encoder/EncoderInterface.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Encoder;
+
+/**
+ * @author Chris Corbyn
+ */
+interface EncoderInterface
+{
+    /**
+     * Encode a given string to produce an encoded string.
+     *
+     * @param int $firstLineOffset if first line needs to be shorter
+     * @param int $maxLineLength   - 0 indicates the default length for this encoding
+     */
+    public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string;
+}

vendor/symfony/mime/Encoder/IdnAddressEncoder.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Encoder;
+
+/**
+ * An IDN email address encoder.
+ *
+ * Encodes the domain part of an address using IDN. This is compatible will all
+ * SMTP servers.
+ *
+ * Note: It leaves the local part as is. In case there are non-ASCII characters
+ * in the local part then it depends on the SMTP Server if this is supported.
+ *
+ * @author Christian Schmidt
+ */
+final class IdnAddressEncoder implements AddressEncoderInterface
+{
+    /**
+     * Encodes the domain part of an address using IDN.
+     */
+    public function encodeString(string $address): string
+    {
+        $i = strrpos($address, '@');
+        if (false !== $i) {
+            $local = substr($address, 0, $i);
+            $domain = substr($address, $i + 1);
+
+            if (preg_match('/[^\x00-\x7F]/', $domain)) {
+                $address = sprintf('%s@%s', $local, idn_to_ascii($domain, \IDNA_DEFAULT | \IDNA_USE_STD3_RULES | \IDNA_CHECK_BIDI | \IDNA_CHECK_CONTEXTJ | \IDNA_NONTRANSITIONAL_TO_ASCII, \INTL_IDNA_VARIANT_UTS46));
+            }
+        }
+
+        return $address;
+    }
+}

vendor/symfony/mime/Encoder/MimeHeaderEncoderInterface.php

@@ -0,0 +1,23 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Encoder;
+
+/**
+ * @author Chris Corbyn
+ */
+interface MimeHeaderEncoderInterface
+{
+    /**
+     * Get the MIME name of this content encoding scheme.
+     */
+    public function getName(): string;
+}

vendor/symfony/mime/Encoder/QpContentEncoder.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Encoder;
+
+/**
+ * @author Lars Strojny
+ */
+final class QpContentEncoder implements ContentEncoderInterface
+{
+    public function encodeByteStream($stream, int $maxLineLength = 0): iterable
+    {
+        if (!\is_resource($stream)) {
+            throw new \TypeError(sprintf('Method "%s" takes a stream as a first argument.', __METHOD__));
+        }
+
+        // we don't use PHP stream filters here as the content should be small enough
+        yield $this->encodeString(stream_get_contents($stream), 'utf-8', 0, $maxLineLength);
+    }
+
+    public function getName(): string
+    {
+        return 'quoted-printable';
+    }
+
+    public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string
+    {
+        return $this->standardize(quoted_printable_encode($string));
+    }
+
+    /**
+     * Make sure CRLF is correct and HT/SPACE are in valid places.
+     */
+    private function standardize(string $string): string
+    {
+        // transform CR or LF to CRLF
+        $string = preg_replace('~=0D(?!=0A)|(?<!=0D)=0A~', '=0D=0A', $string);
+        // transform =0D=0A to CRLF
+        $string = str_replace(["\t=0D=0A", ' =0D=0A', '=0D=0A'], ["=09\r\n", "=20\r\n", "\r\n"], $string);
+
+        return match (\ord(substr($string, -1))) {
+            0x09 => substr_replace($string, '=09', -1),
+            0x20 => substr_replace($string, '=20', -1),
+            default => $string,
+        };
+    }
+}

vendor/symfony/mime/Encoder/QpEncoder.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Encoder;
+
+use Symfony\Component\Mime\CharacterStream;
+
+/**
+ * @author Chris Corbyn
+ */
+class QpEncoder implements EncoderInterface
+{
+    /**
+     * Pre-computed QP for HUGE optimization.
+     */
+    private const QP_MAP = [
+        0 => '=00', 1 => '=01', 2 => '=02', 3 => '=03', 4 => '=04',
+        5 => '=05', 6 => '=06', 7 => '=07', 8 => '=08', 9 => '=09',
+        10 => '=0A', 11 => '=0B', 12 => '=0C', 13 => '=0D', 14 => '=0E',
+        15 => '=0F', 16 => '=10', 17 => '=11', 18 => '=12', 19 => '=13',
+        20 => '=14', 21 => '=15', 22 => '=16', 23 => '=17', 24 => '=18',
+        25 => '=19', 26 => '=1A', 27 => '=1B', 28 => '=1C', 29 => '=1D',
+        30 => '=1E', 31 => '=1F', 32 => '=20', 33 => '=21', 34 => '=22',
+        35 => '=23', 36 => '=24', 37 => '=25', 38 => '=26', 39 => '=27',
+        40 => '=28', 41 => '=29', 42 => '=2A', 43 => '=2B', 44 => '=2C',
+        45 => '=2D', 46 => '=2E', 47 => '=2F', 48 => '=30', 49 => '=31',
+        50 => '=32', 51 => '=33', 52 => '=34', 53 => '=35', 54 => '=36',
+        55 => '=37', 56 => '=38', 57 => '=39', 58 => '=3A', 59 => '=3B',
+        60 => '=3C', 61 => '=3D', 62 => '=3E', 63 => '=3F', 64 => '=40',
+        65 => '=41', 66 => '=42', 67 => '=43', 68 => '=44', 69 => '=45',
+        70 => '=46', 71 => '=47', 72 => '=48', 73 => '=49', 74 => '=4A',
+        75 => '=4B', 76 => '=4C', 77 => '=4D', 78 => '=4E', 79 => '=4F',
+        80 => '=50', 81 => '=51', 82 => '=52', 83 => '=53', 84 => '=54',
+        85 => '=55', 86 => '=56', 87 => '=57', 88 => '=58', 89 => '=59',
+        90 => '=5A', 91 => '=5B', 92 => '=5C', 93 => '=5D', 94 => '=5E',
+        95 => '=5F', 96 => '=60', 97 => '=61', 98 => '=62', 99 => '=63',
+        100 => '=64', 101 => '=65', 102 => '=66', 103 => '=67', 104 => '=68',
+        105 => '=69', 106 => '=6A', 107 => '=6B', 108 => '=6C', 109 => '=6D',
+        110 => '=6E', 111 => '=6F', 112 => '=70', 113 => '=71', 114 => '=72',
+        115 => '=73', 116 => '=74', 117 => '=75', 118 => '=76', 119 => '=77',
+        120 => '=78', 121 => '=79', 122 => '=7A', 123 => '=7B', 124 => '=7C',
+        125 => '=7D', 126 => '=7E', 127 => '=7F', 128 => '=80', 129 => '=81',
+        130 => '=82', 131 => '=83', 132 => '=84', 133 => '=85', 134 => '=86',
+        135 => '=87', 136 => '=88', 137 => '=89', 138 => '=8A', 139 => '=8B',
+        140 => '=8C', 141 => '=8D', 142 => '=8E', 143 => '=8F', 144 => '=90',
+        145 => '=91', 146 => '=92', 147 => '=93', 148 => '=94', 149 => '=95',
+        150 => '=96', 151 => '=97', 152 => '=98', 153 => '=99', 154 => '=9A',
+        155 => '=9B', 156 => '=9C', 157 => '=9D', 158 => '=9E', 159 => '=9F',
+        160 => '=A0', 161 => '=A1', 162 => '=A2', 163 => '=A3', 164 => '=A4',
+        165 => '=A5', 166 => '=A6', 167 => '=A7', 168 => '=A8', 169 => '=A9',
+        170 => '=AA', 171 => '=AB', 172 => '=AC', 173 => '=AD', 174 => '=AE',
+        175 => '=AF', 176 => '=B0', 177 => '=B1', 178 => '=B2', 179 => '=B3',
+        180 => '=B4', 181 => '=B5', 182 => '=B6', 183 => '=B7', 184 => '=B8',
+        185 => '=B9', 186 => '=BA', 187 => '=BB', 188 => '=BC', 189 => '=BD',
+        190 => '=BE', 191 => '=BF', 192 => '=C0', 193 => '=C1', 194 => '=C2',
+        195 => '=C3', 196 => '=C4', 197 => '=C5', 198 => '=C6', 199 => '=C7',
+        200 => '=C8', 201 => '=C9', 202 => '=CA', 203 => '=CB', 204 => '=CC',
+        205 => '=CD', 206 => '=CE', 207 => '=CF', 208 => '=D0', 209 => '=D1',
+        210 => '=D2', 211 => '=D3', 212 => '=D4', 213 => '=D5', 214 => '=D6',
+        215 => '=D7', 216 => '=D8', 217 => '=D9', 218 => '=DA', 219 => '=DB',
+        220 => '=DC', 221 => '=DD', 222 => '=DE', 223 => '=DF', 224 => '=E0',
+        225 => '=E1', 226 => '=E2', 227 => '=E3', 228 => '=E4', 229 => '=E5',
+        230 => '=E6', 231 => '=E7', 232 => '=E8', 233 => '=E9', 234 => '=EA',
+        235 => '=EB', 236 => '=EC', 237 => '=ED', 238 => '=EE', 239 => '=EF',
+        240 => '=F0', 241 => '=F1', 242 => '=F2', 243 => '=F3', 244 => '=F4',
+        245 => '=F5', 246 => '=F6', 247 => '=F7', 248 => '=F8', 249 => '=F9',
+        250 => '=FA', 251 => '=FB', 252 => '=FC', 253 => '=FD', 254 => '=FE',
+        255 => '=FF',
+    ];
+
+    private static array $safeMapShare = [];
+
+    /**
+     * A map of non-encoded ascii characters.
+     *
+     * @var string[]
+     *
+     * @internal
+     */
+    protected array $safeMap = [];
+
+    public function __construct()
+    {
+        $id = static::class;
+        if (!isset(self::$safeMapShare[$id])) {
+            $this->initSafeMap();
+            self::$safeMapShare[$id] = $this->safeMap;
+        } else {
+            $this->safeMap = self::$safeMapShare[$id];
+        }
+    }
+
+    protected function initSafeMap(): void
+    {
+        foreach (array_merge([0x09, 0x20], range(0x21, 0x3C), range(0x3E, 0x7E)) as $byte) {
+            $this->safeMap[$byte] = \chr($byte);
+        }
+    }
+
+    /**
+     * Takes an unencoded string and produces a QP encoded string from it.
+     *
+     * QP encoded strings have a maximum line length of 76 characters.
+     * If the first line needs to be shorter, indicate the difference with
+     * $firstLineOffset.
+     */
+    public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string
+    {
+        if ($maxLineLength > 76 || $maxLineLength <= 0) {
+            $maxLineLength = 76;
+        }
+
+        $thisLineLength = $maxLineLength - $firstLineOffset;
+
+        $lines = [];
+        $lNo = 0;
+        $lines[$lNo] = '';
+        $currentLine = &$lines[$lNo++];
+        $size = $lineLen = 0;
+        $charStream = new CharacterStream($string, $charset);
+
+        // Fetching more than 4 chars at one is slower, as is fetching fewer bytes
+        // Conveniently 4 chars is the UTF-8 safe number since UTF-8 has up to 6
+        // bytes per char and (6 * 4 * 3 = 72 chars per line) * =NN is 3 bytes
+        while (null !== $bytes = $charStream->readBytes(4)) {
+            $enc = $this->encodeByteSequence($bytes, $size);
+
+            $i = strpos($enc, '=0D=0A');
+            $newLineLength = $lineLen + (false === $i ? $size : $i);
+
+            if ($currentLine && $newLineLength >= $thisLineLength) {
+                $lines[$lNo] = '';
+                $currentLine = &$lines[$lNo++];
+                $thisLineLength = $maxLineLength;
+                $lineLen = 0;
+            }
+
+            $currentLine .= $enc;
+
+            if (false === $i) {
+                $lineLen += $size;
+            } else {
+                // 6 is the length of '=0D=0A'.
+                $lineLen = $size - strrpos($enc, '=0D=0A') - 6;
+            }
+        }
+
+        return $this->standardize(implode("=\r\n", $lines));
+    }
+
+    /**
+     * Encode the given byte array into a verbatim QP form.
+     */
+    private function encodeByteSequence(array $bytes, int &$size): string
+    {
+        $ret = '';
+        $size = 0;
+        foreach ($bytes as $b) {
+            if (isset($this->safeMap[$b])) {
+                $ret .= $this->safeMap[$b];
+                ++$size;
+            } else {
+                $ret .= self::QP_MAP[$b];
+                $size += 3;
+            }
+        }
+
+        return $ret;
+    }
+
+    /**
+     * Make sure CRLF is correct and HT/SPACE are in valid places.
+     */
+    private function standardize(string $string): string
+    {
+        $string = str_replace(["\t=0D=0A", ' =0D=0A', '=0D=0A'], ["=09\r\n", "=20\r\n", "\r\n"], $string);
+
+        return match ($end = \ord(substr($string, -1))) {
+            0x09,
+            0x20 => substr_replace($string, self::QP_MAP[$end], -1),
+            default => $string,
+        };
+    }
+}

vendor/symfony/mime/Encoder/QpMimeHeaderEncoder.php

@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Encoder;
+
+/**
+ * @author Chris Corbyn
+ */
+final class QpMimeHeaderEncoder extends QpEncoder implements MimeHeaderEncoderInterface
+{
+    protected function initSafeMap(): void
+    {
+        foreach (array_merge(
+            range(0x61, 0x7A), range(0x41, 0x5A),
+            range(0x30, 0x39), [0x20, 0x21, 0x2A, 0x2B, 0x2D, 0x2F]
+        ) as $byte) {
+            $this->safeMap[$byte] = \chr($byte);
+        }
+    }
+
+    public function getName(): string
+    {
+        return 'Q';
+    }
+
+    public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string
+    {
+        return str_replace([' ', '=20', "=\r\n"], ['_', '_', "\r\n"],
+            parent::encodeString($string, $charset, $firstLineOffset, $maxLineLength)
+        );
+    }
+}

vendor/symfony/mime/Encoder/Rfc2231Encoder.php

@@ -0,0 +1,50 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Encoder;
+
+use Symfony\Component\Mime\CharacterStream;
+
+/**
+ * @author Chris Corbyn
+ */
+final class Rfc2231Encoder implements EncoderInterface
+{
+    /**
+     * Takes an unencoded string and produces a string encoded according to RFC 2231 from it.
+     */
+    public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string
+    {
+        $lines = [];
+        $lineCount = 0;
+        $lines[] = '';
+        $currentLine = &$lines[$lineCount++];
+
+        if (0 >= $maxLineLength) {
+            $maxLineLength = 75;
+        }
+
+        $charStream = new CharacterStream($string, $charset);
+        $thisLineLength = $maxLineLength - $firstLineOffset;
+
+        while (null !== $char = $charStream->read(4)) {
+            $encodedChar = rawurlencode($char);
+            if ('' !== $currentLine && \strlen($currentLine.$encodedChar) > $thisLineLength) {
+                $lines[] = '';
+                $currentLine = &$lines[$lineCount++];
+                $thisLineLength = $maxLineLength;
+            }
+            $currentLine .= $encodedChar;
+        }
+
+        return implode("\r\n", $lines);
+    }
+}