MRBS 1.12.2 等保2.0二级整改完整提交

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2026-09-08 21:19:47 +08:00
commit 48092cab42
2221 changed files with 659586 additions and 0 deletions
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+<?php
+/**
+ * Class Kanji
+ *
+ * @created      25.11.2015
+ * @author       Smiley <smiley@chillerlan.net>
+ * @copyright    2015 Smiley
+ * @license      MIT
+ */
+
+namespace chillerlan\QRCode\Data;
+
+use chillerlan\QRCode\Common\{BitBuffer, Mode};
+use Throwable;
+use function chr;
+use function implode;
+use function intdiv;
+use function is_string;
+use function mb_convert_encoding;
+use function mb_detect_encoding;
+use function mb_detect_order;
+use function mb_internal_encoding;
+use function mb_strlen;
+use function ord;
+use function sprintf;
+use function strlen;
+
+/**
+ * Kanji mode: 13-bit double-byte characters from the Shift-JIS character set
+ *
+ * ISO/IEC 18004:2000 Section 8.3.5
+ * ISO/IEC 18004:2000 Section 8.4.5
+ *
+ * @see https://en.wikipedia.org/wiki/Shift_JIS#As_defined_in_JIS_X_0208:1997
+ * @see http://www.rikai.com/library/kanjitables/kanji_codes.sjis.shtml
+ * @see https://gist.github.com/codemasher/d07d3e6e9346c08e7a41b8b978784952
+ */
+final class Kanji extends QRDataModeAbstract{
+
+	/**
+	 * possible values: SJIS, SJIS-2004
+	 *
+	 * SJIS-2004 may produce errors in PHP < 8
+	 *
+	 * @var string
+	 */
+	public const ENCODING = 'SJIS';
+
+	/**
+	 * @inheritDoc
+	 */
+	public const DATAMODE = Mode::KANJI;
+
+	/**
+	 * @inheritDoc
+	 */
+	protected function getCharCount():int{
+		return mb_strlen($this->data, self::ENCODING);
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getLengthInBits():int{
+		return ($this->getCharCount() * 13);
+	}
+
+	/**
+	 * @inheritDoc
+	 * @throws \chillerlan\QRCode\Data\QRCodeDataException
+	 */
+	public static function convertEncoding(string $string):string{
+		mb_detect_order([mb_internal_encoding(), 'UTF-8', 'SJIS', 'SJIS-2004']);
+
+		$detected = mb_detect_encoding($string, null, true);
+
+		if($detected === false){
+			throw new QRCodeDataException('mb_detect_encoding error');
+		}
+
+		if($detected === self::ENCODING){
+			return $string;
+		}
+
+		$string = mb_convert_encoding($string, self::ENCODING, $detected);
+
+		if(!is_string($string)){
+			throw new QRCodeDataException(sprintf('invalid encoding: %s', $detected));
+		}
+
+		return $string;
+	}
+
+	/**
+	 * checks if a string qualifies as SJIS Kanji
+	 */
+	public static function validateString(string $string):bool{
+
+		try{
+			$string = self::convertEncoding($string);
+		}
+		catch(Throwable $e){
+			return false;
+		}
+
+		$len = strlen($string);
+
+		if($len < 2 || ($len % 2) !== 0){
+			return false;
+		}
+
+		for($i = 0; $i < $len; $i += 2){
+			$byte1 = ord($string[$i]);
+			$byte2 = ord($string[($i + 1)]);
+
+			// byte 1 unused and vendor ranges
+			if($byte1 < 0x81 || ($byte1 > 0x84 && $byte1 < 0x88) || ($byte1 > 0x9f && $byte1 < 0xe0) ||  $byte1 > 0xea){
+				return false;
+			}
+
+			// byte 2 unused ranges
+			if($byte2 < 0x40 || $byte2 === 0x7f || $byte2 > 0xfc){
+				return false;
+			}
+
+		}
+
+		return true;
+	}
+
+	/**
+	 * @inheritDoc
+	 *
+	 * @throws \chillerlan\QRCode\Data\QRCodeDataException on an illegal character occurence
+	 */
+	public function write(BitBuffer $bitBuffer, int $versionNumber):QRDataModeInterface{
+
+		$bitBuffer
+			->put(self::DATAMODE, 4)
+			->put($this->getCharCount(), $this::getLengthBits($versionNumber))
+		;
+
+		$len = strlen($this->data);
+
+		for($i = 0; ($i + 1) < $len; $i += 2){
+			$c = (((0xff & ord($this->data[$i])) << 8) | (0xff & ord($this->data[($i + 1)])));
+
+			if($c >= 0x8140 && $c <= 0x9ffc){
+				$c -= 0x8140;
+			}
+			elseif($c >= 0xe040 && $c <= 0xebbf){
+				$c -= 0xc140;
+			}
+			else{
+				throw new QRCodeDataException(sprintf('illegal char at %d [%d]', ($i + 1), $c));
+			}
+
+			$bitBuffer->put((((($c >> 8) & 0xff) * 0xc0) + ($c & 0xff)), 13);
+		}
+
+		if($i < $len){
+			throw new QRCodeDataException(sprintf('illegal char at %d', ($i + 1)));
+		}
+
+		return $this;
+	}
+
+	/**
+	 * @inheritDoc
+	 *
+	 * @throws \chillerlan\QRCode\Data\QRCodeDataException
+	 */
+	public static function decodeSegment(BitBuffer $bitBuffer, int $versionNumber):string{
+		$length = $bitBuffer->read(self::getLengthBits($versionNumber));
+
+		if($bitBuffer->available() < ($length * 13)){
+			throw new QRCodeDataException('not enough bits available');  // @codeCoverageIgnore
+		}
+
+		// Each character will require 2 bytes. Read the characters as 2-byte pairs and decode as SJIS afterwards
+		$buffer = [];
+		$offset = 0;
+
+		while($length > 0){
+			// Each 13 bits encodes a 2-byte character
+			$twoBytes          = $bitBuffer->read(13);
+			$assembledTwoBytes = ((intdiv($twoBytes, 0x0c0) << 8) | ($twoBytes % 0x0c0));
+
+			$assembledTwoBytes += ($assembledTwoBytes < 0x01f00)
+				? 0x08140  // In the 0x8140 to 0x9FFC range
+				: 0x0c140; // In the 0xE040 to 0xEBBF range
+
+			$buffer[$offset]       = chr(0xff & ($assembledTwoBytes >> 8));
+			$buffer[($offset + 1)] = chr(0xff & $assembledTwoBytes);
+			$offset                += 2;
+			$length--;
+		}
+
+		return mb_convert_encoding(implode('', $buffer), mb_internal_encoding(), self::ENCODING);
+	}
+
+}