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Paul Nicoué 2022-06-17 17:51:59 +02:00
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kirby/vendor/laminas/laminas-escaper/COPYRIGHT.md vendored Normal file
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Copyright (c) 2020 Laminas Project a Series of LF Projects, LLC. (https://getlaminas.org/)

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Copyright (c) 2020 Laminas Project a Series of LF Projects, LLC.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
- Neither the name of Laminas Foundation nor the names of its contributors may
be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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kirby/vendor/laminas/laminas-escaper/composer.json vendored Normal file
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{
"name": "laminas/laminas-escaper",
"description": "Securely and safely escape HTML, HTML attributes, JavaScript, CSS, and URLs",
"license": "BSD-3-Clause",
"keywords": [
"laminas",
"escaper"
],
"homepage": "https://laminas.dev",
"support": {
"docs": "https://docs.laminas.dev/laminas-escaper/",
"issues": "https://github.com/laminas/laminas-escaper/issues",
"source": "https://github.com/laminas/laminas-escaper",
"rss": "https://github.com/laminas/laminas-escaper/releases.atom",
"chat": "https://laminas.dev/chat",
"forum": "https://discourse.laminas.dev"
},
"config": {
"sort-packages": true
},
"extra": {
},
"require": {
"php": "^7.3 || ~8.0.0 || ~8.1.0"
},
"suggest": {
"ext-iconv": "*",
"ext-mbstring": "*"
},
"require-dev": {
"laminas/laminas-coding-standard": "~2.3.0",
"phpunit/phpunit": "^9.3",
"psalm/plugin-phpunit": "^0.12.2",
"vimeo/psalm": "^3.16"
},
"autoload": {
"psr-4": {
"Laminas\\Escaper\\": "src/"
}
},
"autoload-dev": {
"psr-4": {
"LaminasTest\\Escaper\\": "test/"
}
},
"scripts": {
"check": [
"@cs-check",
"@test"
],
"cs-check": "phpcs",
"cs-fix": "phpcbf",
"static-analysis": "psalm --shepherd --stats",
"test": "phpunit --colors=always",
"test-coverage": "phpunit --colors=always --coverage-clover clover.xml"
},
"conflict": {
"zendframework/zend-escaper": "*"
}
}

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kirby/vendor/laminas/laminas-escaper/composer.lock generated vendored Normal file
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kirby/vendor/laminas/laminas-escaper/src/Escaper.php vendored Normal file
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<?php
declare(strict_types=1);
namespace Laminas\Escaper;
use function bin2hex;
use function ctype_digit;
use function function_exists;
use function hexdec;
use function htmlspecialchars;
use function iconv;
use function in_array;
use function mb_convert_encoding;
use function ord;
use function preg_match;
use function preg_replace_callback;
use function rawurlencode;
use function sprintf;
use function strlen;
use function strtolower;
use function strtoupper;
use function substr;
use const ENT_QUOTES;
use const ENT_SUBSTITUTE;
/**
* Context specific methods for use in secure output escaping
*/
class Escaper
{
/**
* Entity Map mapping Unicode codepoints to any available named HTML entities.
*
* While HTML supports far more named entities, the lowest common denominator
* has become HTML5's XML Serialisation which is restricted to the those named
* entities that XML supports. Using HTML entities would result in this error:
* XML Parsing Error: undefined entity
*
* @var array
*/
protected static $htmlNamedEntityMap = [
34 => 'quot', // quotation mark
38 => 'amp', // ampersand
60 => 'lt', // less-than sign
62 => 'gt', // greater-than sign
];
/**
* Current encoding for escaping. If not UTF-8, we convert strings from this encoding
* pre-escaping and back to this encoding post-escaping.
*
* @var string
*/
protected $encoding = 'utf-8';
/**
* Holds the value of the special flags passed as second parameter to
* htmlspecialchars().
*
* @var int
*/
protected $htmlSpecialCharsFlags;
/**
* Static Matcher which escapes characters for HTML Attribute contexts
*
* @var callable
*/
protected $htmlAttrMatcher;
/**
* Static Matcher which escapes characters for Javascript contexts
*
* @var callable
*/
protected $jsMatcher;
/**
* Static Matcher which escapes characters for CSS Attribute contexts
*
* @var callable
*/
protected $cssMatcher;
/**
* List of all encoding supported by this class
*
* @var array
*/
protected $supportedEncodings = [
'iso-8859-1',
'iso8859-1',
'iso-8859-5',
'iso8859-5',
'iso-8859-15',
'iso8859-15',
'utf-8',
'cp866',
'ibm866',
'866',
'cp1251',
'windows-1251',
'win-1251',
'1251',
'cp1252',
'windows-1252',
'1252',
'koi8-r',
'koi8-ru',
'koi8r',
'big5',
'950',
'gb2312',
'936',
'big5-hkscs',
'shift_jis',
'sjis',
'sjis-win',
'cp932',
'932',
'euc-jp',
'eucjp',
'eucjp-win',
'macroman',
];
/**
* Constructor: Single parameter allows setting of global encoding for use by
* the current object.
*
* @throws Exception\InvalidArgumentException
*/
public function __construct(?string $encoding = null)
{
if ($encoding !== null) {
if ($encoding === '') {
throw new Exception\InvalidArgumentException(
static::class . ' constructor parameter does not allow a blank value'
);
}
$encoding = strtolower($encoding);
if (! in_array($encoding, $this->supportedEncodings)) {
throw new Exception\InvalidArgumentException(
'Value of \'' . $encoding . '\' passed to ' . static::class
. ' constructor parameter is invalid. Provide an encoding supported by htmlspecialchars()'
);
}
$this->encoding = $encoding;
}
// We take advantage of ENT_SUBSTITUTE flag to correctly deal with invalid UTF-8 sequences.
$this->htmlSpecialCharsFlags = ENT_QUOTES | ENT_SUBSTITUTE;
// set matcher callbacks
$this->htmlAttrMatcher = [$this, 'htmlAttrMatcher'];
$this->jsMatcher = [$this, 'jsMatcher'];
$this->cssMatcher = [$this, 'cssMatcher'];
}
/**
* Return the encoding that all output/input is expected to be encoded in.
*
* @return string
*/
public function getEncoding()
{
return $this->encoding;
}
/**
* Escape a string for the HTML Body context where there are very few characters
* of special meaning. Internally this will use htmlspecialchars().
*
* @return string
*/
public function escapeHtml(string $string)
{
return htmlspecialchars($string, $this->htmlSpecialCharsFlags, $this->encoding);
}
/**
* Escape a string for the HTML Attribute context. We use an extended set of characters
* to escape that are not covered by htmlspecialchars() to cover cases where an attribute
* might be unquoted or quoted illegally (e.g. backticks are valid quotes for IE).
*
* @return string
*/
public function escapeHtmlAttr(string $string)
{
$string = $this->toUtf8($string);
if ($string === '' || ctype_digit($string)) {
return $string;
}
$result = preg_replace_callback('/[^a-z0-9,\.\-_]/iSu', $this->htmlAttrMatcher, $string);
return $this->fromUtf8($result);
}
/**
* Escape a string for the Javascript context. This does not use json_encode(). An extended
* set of characters are escaped beyond ECMAScript's rules for Javascript literal string
* escaping in order to prevent misinterpretation of Javascript as HTML leading to the
* injection of special characters and entities. The escaping used should be tolerant
* of cases where HTML escaping was not applied on top of Javascript escaping correctly.
* Backslash escaping is not used as it still leaves the escaped character as-is and so
* is not useful in a HTML context.
*
* @return string
*/
public function escapeJs(string $string)
{
$string = $this->toUtf8($string);
if ($string === '' || ctype_digit($string)) {
return $string;
}
$result = preg_replace_callback('/[^a-z0-9,\._]/iSu', $this->jsMatcher, $string);
return $this->fromUtf8($result);
}
/**
* Escape a string for the URI or Parameter contexts. This should not be used to escape
* an entire URI - only a subcomponent being inserted. The function is a simple proxy
* to rawurlencode() which now implements RFC 3986 since PHP 5.3 completely.
*
* @return string
*/
public function escapeUrl(string $string)
{
return rawurlencode($string);
}
/**
* Escape a string for the CSS context. CSS escaping can be applied to any string being
* inserted into CSS and escapes everything except alphanumerics.
*
* @return string
*/
public function escapeCss(string $string)
{
$string = $this->toUtf8($string);
if ($string === '' || ctype_digit($string)) {
return $string;
}
$result = preg_replace_callback('/[^a-z0-9]/iSu', $this->cssMatcher, $string);
return $this->fromUtf8($result);
}
/**
* Callback function for preg_replace_callback that applies HTML Attribute
* escaping to all matches.
*
* @param array $matches
* @return string
*/
protected function htmlAttrMatcher($matches)
{
$chr = $matches[0];
$ord = ord($chr);
/**
* The following replaces characters undefined in HTML with the
* hex entity for the Unicode replacement character.
*/
if (
($ord <= 0x1f && $chr !== "\t" && $chr !== "\n" && $chr !== "\r")
|| ($ord >= 0x7f && $ord <= 0x9f)
) {
return '&#xFFFD;';
}
/**
* Check if the current character to escape has a name entity we should
* replace it with while grabbing the integer value of the character.
*/
if (strlen($chr) > 1) {
$chr = $this->convertEncoding($chr, 'UTF-32BE', 'UTF-8');
}
$hex = bin2hex($chr);
$ord = hexdec($hex);
if (isset(static::$htmlNamedEntityMap[$ord])) {
return '&' . static::$htmlNamedEntityMap[$ord] . ';';
}
/**
* Per OWASP recommendations, we'll use upper hex entities
* for any other characters where a named entity does not exist.
*/
if ($ord > 255) {
return sprintf('&#x%04X;', $ord);
}
return sprintf('&#x%02X;', $ord);
}
/**
* Callback function for preg_replace_callback that applies Javascript
* escaping to all matches.
*
* @param array $matches
* @return string
*/
protected function jsMatcher($matches)
{
$chr = $matches[0];
if (strlen($chr) === 1) {
return sprintf('\\x%02X', ord($chr));
}
$chr = $this->convertEncoding($chr, 'UTF-16BE', 'UTF-8');
$hex = strtoupper(bin2hex($chr));
if (strlen($hex) <= 4) {
return sprintf('\\u%04s', $hex);
}
$highSurrogate = substr($hex, 0, 4);
$lowSurrogate = substr($hex, 4, 4);
return sprintf('\\u%04s\\u%04s', $highSurrogate, $lowSurrogate);
}
/**
* Callback function for preg_replace_callback that applies CSS
* escaping to all matches.
*
* @param array $matches
* @return string
*/
protected function cssMatcher($matches)
{
$chr = $matches[0];
if (strlen($chr) === 1) {
$ord = ord($chr);
} else {
$chr = $this->convertEncoding($chr, 'UTF-32BE', 'UTF-8');
$ord = hexdec(bin2hex($chr));
}
return sprintf('\\%X ', $ord);
}
/**
* Converts a string to UTF-8 from the base encoding. The base encoding is set via this
*
* @param string $string
* @throws Exception\RuntimeException
* @return string
*/
protected function toUtf8($string)
{
if ($this->getEncoding() === 'utf-8') {
$result = $string;
} else {
$result = $this->convertEncoding($string, 'UTF-8', $this->getEncoding());
}
if (! $this->isUtf8($result)) {
throw new Exception\RuntimeException(
sprintf('String to be escaped was not valid UTF-8 or could not be converted: %s', $result)
);
}
return $result;
}
/**
* Converts a string from UTF-8 to the base encoding. The base encoding is set via this
*
* @param string $string
* @return string
*/
protected function fromUtf8($string)
{
if ($this->getEncoding() === 'utf-8') {
return $string;
}
return $this->convertEncoding($string, $this->getEncoding(), 'UTF-8');
}
/**
* Checks if a given string appears to be valid UTF-8 or not.
*
* @param string $string
* @return bool
*/
protected function isUtf8($string)
{
return $string === '' || preg_match('/^./su', $string);
}
/**
* Encoding conversion helper which wraps iconv and mbstring where they exist or throws
* and exception where neither is available.
*
* @param string $string
* @param string $to
* @param array|string $from
* @throws Exception\RuntimeException
* @return string
*/
protected function convertEncoding($string, $to, $from)
{
if (function_exists('iconv')) {
$result = iconv($from, $to, $string);
} elseif (function_exists('mb_convert_encoding')) {
$result = mb_convert_encoding($string, $to, $from);
} else {
throw new Exception\RuntimeException(
static::class
. ' requires either the iconv or mbstring extension to be installed'
. ' when escaping for non UTF-8 strings.'
);
}
if ($result === false) {
return ''; // return non-fatal blank string on encoding errors from users
}
return $result;
}
}

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kirby/vendor/laminas/laminas-escaper/src/Exception/ExceptionInterface.php vendored Normal file
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<?php
declare(strict_types=1);
namespace Laminas\Escaper\Exception;
interface ExceptionInterface
{
}

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kirby/vendor/laminas/laminas-escaper/src/Exception/InvalidArgumentException.php vendored Normal file
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<?php
declare(strict_types=1);
namespace Laminas\Escaper\Exception;
/**
* Invalid argument exception
*/
class InvalidArgumentException extends \InvalidArgumentException implements
ExceptionInterface
{
}

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kirby/vendor/laminas/laminas-escaper/src/Exception/RuntimeException.php vendored Normal file
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<?php
declare(strict_types=1);
namespace Laminas\Escaper\Exception;
/**
* Invalid argument exception
*/
class RuntimeException extends \RuntimeException implements
ExceptionInterface
{
}