:Update vendor dependencies

1 files changed, 281 insertions, 0 deletions

diff --git a/vendor/symfony/mime/Header/AbstractHeader.php b/vendor/symfony/mime/Header/AbstractHeader.php
new file mode 100644
index 0000000000..517ee8dfb2
--- /dev/null
+++ b/vendor/symfony/mime/Header/AbstractHeader.php
@@ -0,0 +1,281 @@
+<?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\Header;
+
+use Symfony\Component\Mime\Encoder\QpMimeHeaderEncoder;
+
+/**
+ * An abstract base MIME Header.
+ *
+ * @author Chris Corbyn
+ *
+ * @experimental in 4.3
+ */
+abstract class AbstractHeader implements HeaderInterface
+{
+    const PHRASE_PATTERN = '(?:(?:(?:(?:(?:(?:(?:[ \t]*(?:\r\n))?[ \t])?(\((?:(?:(?:[ \t]*(?:\r\n))?[ \t])|(?:(?:[\x01-\x08\x0B\x0C\x0E-\x19\x7F]|[\x21-\x27\x2A-\x5B\x5D-\x7E])|(?:\\[\x00-\x08\x0B\x0C\x0E-\x7F])|(?1)))*(?:(?:[ \t]*(?:\r\n))?[ \t])?\)))*(?:(?:(?:(?:[ \t]*(?:\r\n))?[ \t])?(\((?:(?:(?:[ \t]*(?:\r\n))?[ \t])|(?:(?:[\x01-\x08\x0B\x0C\x0E-\x19\x7F]|[\x21-\x27\x2A-\x5B\x5D-\x7E])|(?:\\[\x00-\x08\x0B\x0C\x0E-\x7F])|(?1)))*(?:(?:[ \t]*(?:\r\n))?[ \t])?\)))|(?:(?:[ \t]*(?:\r\n))?[ \t])))?[a-zA-Z0-9!#\$%&\'\*\+\-\/=\?\^_`\{\}\|~]+(?:(?:(?:(?:[ \t]*(?:\r\n))?[ \t])?(\((?:(?:(?:[ \t]*(?:\r\n))?[ \t])|(?:(?:[\x01-\x08\x0B\x0C\x0E-\x19\x7F]|[\x21-\x27\x2A-\x5B\x5D-\x7E])|(?:\\[\x00-\x08\x0B\x0C\x0E-\x7F])|(?1)))*(?:(?:[ \t]*(?:\r\n))?[ \t])?\)))*(?:(?:(?:(?:[ \t]*(?:\r\n))?[ \t])?(\((?:(?:(?:[ \t]*(?:\r\n))?[ \t])|(?:(?:[\x01-\x08\x0B\x0C\x0E-\x19\x7F]|[\x21-\x27\x2A-\x5B\x5D-\x7E])|(?:\\[\x00-\x08\x0B\x0C\x0E-\x7F])|(?1)))*(?:(?:[ \t]*(?:\r\n))?[ \t])?\)))|(?:(?:[ \t]*(?:\r\n))?[ \t])))?)|(?:(?:(?:(?:(?:[ \t]*(?:\r\n))?[ \t])?(\((?:(?:(?:[ \t]*(?:\r\n))?[ \t])|(?:(?:[\x01-\x08\x0B\x0C\x0E-\x19\x7F]|[\x21-\x27\x2A-\x5B\x5D-\x7E])|(?:\\[\x00-\x08\x0B\x0C\x0E-\x7F])|(?1)))*(?:(?:[ \t]*(?:\r\n))?[ \t])?\)))*(?:(?:(?:(?:[ \t]*(?:\r\n))?[ \t])?(\((?:(?:(?:[ \t]*(?:\r\n))?[ \t])|(?:(?:[\x01-\x08\x0B\x0C\x0E-\x19\x7F]|[\x21-\x27\x2A-\x5B\x5D-\x7E])|(?:\\[\x00-\x08\x0B\x0C\x0E-\x7F])|(?1)))*(?:(?:[ \t]*(?:\r\n))?[ \t])?\)))|(?:(?:[ \t]*(?:\r\n))?[ \t])))?"((?:(?:[ \t]*(?:\r\n))?[ \t])?(?:(?:[\x01-\x08\x0B\x0C\x0E-\x19\x7F]|[\x21\x23-\x5B\x5D-\x7E])|(?:\\[\x00-\x08\x0B\x0C\x0E-\x7F])))*(?:(?:[ \t]*(?:\r\n))?[ \t])?"(?:(?:(?:(?:[ \t]*(?:\r\n))?[ \t])?(\((?:(?:(?:[ \t]*(?:\r\n))?[ \t])|(?:(?:[\x01-\x08\x0B\x0C\x0E-\x19\x7F]|[\x21-\x27\x2A-\x5B\x5D-\x7E])|(?:\\[\x00-\x08\x0B\x0C\x0E-\x7F])|(?1)))*(?:(?:[ \t]*(?:\r\n))?[ \t])?\)))*(?:(?:(?:(?:[ \t]*(?:\r\n))?[ \t])?(\((?:(?:(?:[ \t]*(?:\r\n))?[ \t])|(?:(?:[\x01-\x08\x0B\x0C\x0E-\x19\x7F]|[\x21-\x27\x2A-\x5B\x5D-\x7E])|(?:\\[\x00-\x08\x0B\x0C\x0E-\x7F])|(?1)))*(?:(?:[ \t]*(?:\r\n))?[ \t])?\)))|(?:(?:[ \t]*(?:\r\n))?[ \t])))?))+?)';
+
+    private static $encoder;
+
+    private $name;
+    private $lineLength = 76;
+    private $lang;
+    private $charset = 'utf-8';
+
+    public function __construct(string $name)
+    {
+        $this->name = $name;
+    }
+
+    public function setCharset(string $charset)
+    {
+        $this->charset = $charset;
+    }
+
+    public function getCharset(): ?string
+    {
+        return $this->charset;
+    }
+
+    /**
+     * Set the language used in this Header.
+     *
+     * For example, for US English, 'en-us'.
+     */
+    public function setLanguage(string $lang)
+    {
+        $this->lang = $lang;
+    }
+
+    public function getLanguage(): ?string
+    {
+        return $this->lang;
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function setMaxLineLength(int $lineLength)
+    {
+        $this->lineLength = $lineLength;
+    }
+
+    public function getMaxLineLength(): int
+    {
+        return $this->lineLength;
+    }
+
+    public function toString(): string
+    {
+        return $this->tokensToString($this->toTokens());
+    }
+
+    /**
+     * Produces a compliant, formatted RFC 2822 'phrase' based on the string given.
+     *
+     * @param string $string  as displayed
+     * @param bool   $shorten the first line to make remove for header name
+     */
+    protected function createPhrase(HeaderInterface $header, string $string, string $charset, bool $shorten = false): string
+    {
+        // Treat token as exactly what was given
+        $phraseStr = $string;
+
+        // If it's not valid
+        if (!preg_match('/^'.self::PHRASE_PATTERN.'$/D', $phraseStr)) {
+            // .. but it is just ascii text, try escaping some characters
+            // and make it a quoted-string
+            if (preg_match('/^[\x00-\x08\x0B\x0C\x0E-\x7F]*$/D', $phraseStr)) {
+                foreach (['\\', '"'] as $char) {
+                    $phraseStr = str_replace($char, '\\'.$char, $phraseStr);
+                }
+                $phraseStr = '"'.$phraseStr.'"';
+            } else {
+                // ... otherwise it needs encoding
+                // Determine space remaining on line if first line
+                if ($shorten) {
+                    $usedLength = \strlen($header->getName().': ');
+                } else {
+                    $usedLength = 0;
+                }
+                $phraseStr = $this->encodeWords($header, $string, $usedLength);
+            }
+        }
+
+        return $phraseStr;
+    }
+
+    /**
+     * Encode needed word tokens within a string of input.
+     */
+    protected function encodeWords(HeaderInterface $header, string $input, int $usedLength = -1): string
+    {
+        $value = '';
+        $tokens = $this->getEncodableWordTokens($input);
+        foreach ($tokens as $token) {
+            // See RFC 2822, Sect 2.2 (really 2.2 ??)
+            if ($this->tokenNeedsEncoding($token)) {
+                // Don't encode starting WSP
+                $firstChar = substr($token, 0, 1);
+                switch ($firstChar) {
+                    case ' ':
+                    case "\t":
+                        $value .= $firstChar;
+                        $token = substr($token, 1);
+                }
+
+                if (-1 == $usedLength) {
+                    $usedLength = \strlen($header->getName().': ') + \strlen($value);
+                }
+                $value .= $this->getTokenAsEncodedWord($token, $usedLength);
+            } else {
+                $value .= $token;
+            }
+        }
+
+        return $value;
+    }
+
+    protected function tokenNeedsEncoding(string $token): bool
+    {
+        return (bool) preg_match('~[\x00-\x08\x10-\x19\x7F-\xFF\r\n]~', $token);
+    }
+
+    /**
+     * Splits a string into tokens in blocks of words which can be encoded quickly.
+     *
+     * @return string[]
+     */
+    protected function getEncodableWordTokens(string $string): array
+    {
+        $tokens = [];
+        $encodedToken = '';
+        // Split at all whitespace boundaries
+        foreach (preg_split('~(?=[\t ])~', $string) as $token) {
+            if ($this->tokenNeedsEncoding($token)) {
+                $encodedToken .= $token;
+            } else {
+                if (\strlen($encodedToken) > 0) {
+                    $tokens[] = $encodedToken;
+                    $encodedToken = '';
+                }
+                $tokens[] = $token;
+            }
+        }
+        if (\strlen($encodedToken)) {
+            $tokens[] = $encodedToken;
+        }
+
+        return $tokens;
+    }
+
+    /**
+     * Get a token as an encoded word for safe insertion into headers.
+     */
+    protected function getTokenAsEncodedWord(string $token, int $firstLineOffset = 0): string
+    {
+        if (null === self::$encoder) {
+            self::$encoder = new QpMimeHeaderEncoder();
+        }
+
+        // Adjust $firstLineOffset to account for space needed for syntax
+        $charsetDecl = $this->charset;
+        if (null !== $this->lang) {
+            $charsetDecl .= '*'.$this->lang;
+        }
+        $encodingWrapperLength = \strlen('=?'.$charsetDecl.'?'.self::$encoder->getName().'??=');
+
+        if ($firstLineOffset >= 75) {
+            //Does this logic need to be here?
+            $firstLineOffset = 0;
+        }
+
+        $encodedTextLines = explode("\r\n",
+            self::$encoder->encodeString($token, $this->charset, $firstLineOffset, 75 - $encodingWrapperLength)
+        );
+
+        if ('iso-2022-jp' !== strtolower($this->charset)) {
+            // special encoding for iso-2022-jp using mb_encode_mimeheader
+            foreach ($encodedTextLines as $lineNum => $line) {
+                $encodedTextLines[$lineNum] = '=?'.$charsetDecl.'?'.self::$encoder->getName().'?'.$line.'?=';
+            }
+        }
+
+        return implode("\r\n ", $encodedTextLines);
+    }
+
+    /**
+     * Generates tokens from the given string which include CRLF as individual tokens.
+     *
+     * @return string[]
+     */
+    protected function generateTokenLines(string $token): array
+    {
+        return preg_split('~(\r\n)~', $token, -1, PREG_SPLIT_DELIM_CAPTURE);
+    }
+
+    /**
+     * Generate a list of all tokens in the final header.
+     */
+    protected function toTokens(string $string = null): array
+    {
+        if (null === $string) {
+            $string = $this->getBodyAsString();
+        }
+
+        $tokens = [];
+        // Generate atoms; split at all invisible boundaries followed by WSP
+        foreach (preg_split('~(?=[ \t])~', $string) as $token) {
+            $newTokens = $this->generateTokenLines($token);
+            foreach ($newTokens as $newToken) {
+                $tokens[] = $newToken;
+            }
+        }
+
+        return $tokens;
+    }
+
+    /**
+     * Takes an array of tokens which appear in the header and turns them into
+     * an RFC 2822 compliant string, adding FWSP where needed.
+     *
+     * @param string[] $tokens
+     */
+    private function tokensToString(array $tokens): string
+    {
+        $lineCount = 0;
+        $headerLines = [];
+        $headerLines[] = $this->name.': ';
+        $currentLine = &$headerLines[$lineCount++];
+
+        // Build all tokens back into compliant header
+        foreach ($tokens as $i => $token) {
+            // Line longer than specified maximum or token was just a new line
+            if (("\r\n" === $token) ||
+                ($i > 0 && \strlen($currentLine.$token) > $this->lineLength)
+                && 0 < \strlen($currentLine)) {
+                $headerLines[] = '';
+                $currentLine = &$headerLines[$lineCount++];
+            }
+
+            // Append token to the line
+            if ("\r\n" !== $token) {
+                $currentLine .= $token;
+            }
+        }
+
+        // Implode with FWS (RFC 2822, 2.2.3)
+        return implode("\r\n", $headerLines);
+    }
+}