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Update Parsedown

This commit is contained in:
Eric Lippmann 2018-06-25 16:07:47 +02:00
parent 66132c330a
commit fdd791974d
3 changed files with 188 additions and 37 deletions
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4
library/vendor/Parsedown/LICENSE vendored
View File

@ -1,6 +1,6 @@
The MIT License (MIT)
Copyright (c) 2013 Emanuil Rusev, erusev.com
Copyright (c) 2013-2018 Emanuil Rusev, erusev.com
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
@ -17,4 +17,4 @@ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

219
library/vendor/Parsedown/Parsedown.php vendored
View File

@ -17,7 +17,7 @@ class Parsedown
{
# ~
const version = '1.6.0';
const version = '1.7.1';
# ~
@ -75,6 +75,32 @@ class Parsedown
protected $urlsLinked = true;
function setSafeMode($safeMode)
{
$this->safeMode = (bool) $safeMode;
return $this;
}
protected $safeMode;
protected $safeLinksWhitelist = array(
'http://',
'https://',
'ftp://',
'ftps://',
'mailto:',
'data:image/png;base64,',
'data:image/gif;base64,',
'data:image/jpeg;base64,',
'irc:',
'ircs:',
'git:',
'ssh:',
'news:',
'steam:',
);
#
# Lines
#
@ -115,7 +141,7 @@ class Parsedown
# Blocks
#
private function lines(array $lines)
protected function lines(array $lines)
{
$CurrentBlock = null;
@ -175,7 +201,7 @@ class Parsedown
}
else
{
if (method_exists($this, 'block'.$CurrentBlock['type'].'Complete'))
if ($this->isBlockCompletable($CurrentBlock['type']))
{
$CurrentBlock = $this->{'block'.$CurrentBlock['type'].'Complete'}($CurrentBlock);
}
@ -216,7 +242,7 @@ class Parsedown
$Block['identified'] = true;
}
if (method_exists($this, 'block'.$blockType.'Continue'))
if ($this->isBlockContinuable($blockType))
{
$Block['continuable'] = true;
}
@ -245,7 +271,7 @@ class Parsedown
# ~
if (isset($CurrentBlock['continuable']) and method_exists($this, 'block'.$CurrentBlock['type'].'Complete'))
if (isset($CurrentBlock['continuable']) and $this->isBlockCompletable($CurrentBlock['type']))
{
$CurrentBlock = $this->{'block'.$CurrentBlock['type'].'Complete'}($CurrentBlock);
}
@ -278,6 +304,16 @@ class Parsedown
return $markup;
}
protected function isBlockContinuable($Type)
{
return method_exists($this, 'block'.$Type.'Continue');
}
protected function isBlockCompletable($Type)
{
return method_exists($this, 'block'.$Type.'Complete');
}
#
# Code
@ -332,8 +368,6 @@ class Parsedown
{
$text = $Block['element']['text']['text'];
$text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8');
$Block['element']['text']['text'] = $text;
return $Block;
@ -344,7 +378,7 @@ class Parsedown
protected function blockComment($Line)
{
if ($this->markupEscaped)
if ($this->markupEscaped or $this->safeMode)
{
return;
}
@ -386,7 +420,7 @@ class Parsedown
protected function blockFencedCode($Line)
{
if (preg_match('/^['.$Line['text'][0].']{3,}[ ]*([\w-]+)?[ ]*$/', $Line['text'], $matches))
if (preg_match('/^['.$Line['text'][0].']{3,}[ ]*([^`]+)?[ ]*$/', $Line['text'], $matches))
{
$Element = array(
'name' => 'code',
@ -438,7 +472,7 @@ class Parsedown
return $Block;
}
$Block['element']['text']['text'] .= "\n".$Line['body'];;
$Block['element']['text']['text'] .= "\n".$Line['body'];
return $Block;
}
@ -447,8 +481,6 @@ class Parsedown
{
$text = $Block['element']['text']['text'];
$text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8');
$Block['element']['text']['text'] = $text;
return $Block;
@ -505,6 +537,16 @@ class Parsedown
),
);
if($name === 'ol')
{
$listStart = stristr($matches[0], '.', true);
if($listStart !== '1')
{
$Block['element']['attributes'] = array('start' => $listStart);
}
}
$Block['li'] = array(
'name' => 'li',
'handler' => 'li',
@ -527,6 +569,8 @@ class Parsedown
{
$Block['li']['text'] []= '';
$Block['loose'] = true;
unset($Block['interrupted']);
}
@ -575,6 +619,22 @@ class Parsedown
}
}
protected function blockListComplete(array $Block)
{
if (isset($Block['loose']))
{
foreach ($Block['element']['text'] as &$li)
{
if (end($li['text']) !== '')
{
$li['text'] []= '';
}
}
}
return $Block;
}
#
# Quote
@ -658,12 +718,12 @@ class Parsedown
protected function blockMarkup($Line)
{
if ($this->markupEscaped)
if ($this->markupEscaped or $this->safeMode)
{
return;
}
if (preg_match('/^<(\w*)(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*(\/)?>/', $Line['text'], $matches))
if (preg_match('/^<(\w[\w-]*)(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*(\/)?>/', $Line['text'], $matches))
{
$element = strtolower($matches[1]);
@ -977,7 +1037,7 @@ class Parsedown
# ~
#
public function line($text)
public function line($text, $nonNestables=array())
{
$markup = '';
@ -993,6 +1053,13 @@ class Parsedown
foreach ($this->InlineTypes[$marker] as $inlineType)
{
# check to see if the current inline type is nestable in the current context
if ( ! empty($nonNestables) and in_array($inlineType, $nonNestables))
{
continue;
}
$Inline = $this->{'inline'.$inlineType}($Excerpt);
if ( ! isset($Inline))
@ -1014,6 +1081,13 @@ class Parsedown
$Inline['position'] = $markerPosition;
}
# cause the new element to 'inherit' our non nestables
foreach ($nonNestables as $non_nestable)
{
$Inline['element']['nonNestables'][] = $non_nestable;
}
# the text that comes before the inline
$unmarkedText = substr($text, 0, $Inline['position']);
@ -1054,7 +1128,6 @@ class Parsedown
if (preg_match('/^('.$marker.'+)[ ]*(.+?)[ ]*(?<!'.$marker.')\1(?!'.$marker.')/s', $Excerpt['text'], $matches))
{
$text = $matches[2];
$text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8');
$text = preg_replace("/[ ]*\n/", ' ', $text);
return array(
@ -1173,6 +1246,7 @@ class Parsedown
$Element = array(
'name' => 'a',
'handler' => 'line',
'nonNestables' => array('Url', 'Link'),
'text' => null,
'attributes' => array(
'href' => null,
@ -1184,7 +1258,7 @@ class Parsedown
$remainder = $Excerpt['text'];
if (preg_match('/\[((?:[^][]|(?R))*)\]/', $remainder, $matches))
if (preg_match('/\[((?:[^][]++|(?R))*+)\]/', $remainder, $matches))
{
$Element['text'] = $matches[1];
@ -1197,7 +1271,7 @@ class Parsedown
return;
}
if (preg_match('/^[(]((?:[^ ()]|[(][^ )]+[)])+)(?:[ ]+("[^"]*"|\'[^\']*\'))?[)]/', $remainder, $matches))
if (preg_match('/^[(]\s*+((?:[^ ()]++|[(][^ )]+[)])++)(?:[ ]+("[^"]*"|\'[^\']*\'))?\s*[)]/', $remainder, $matches))
{
$Element['attributes']['href'] = $matches[1];
@ -1233,8 +1307,6 @@ class Parsedown
$Element['attributes']['title'] = $Definition['title'];
}
$Element['attributes']['href'] = str_replace(array('&', '<'), array('&amp;', '&lt;'), $Element['attributes']['href']);
return array(
'extent' => $extent,
'element' => $Element,
@ -1243,12 +1315,12 @@ class Parsedown
protected function inlineMarkup($Excerpt)
{
if ($this->markupEscaped or strpos($Excerpt['text'], '>') === false)
if ($this->markupEscaped or $this->safeMode or strpos($Excerpt['text'], '>') === false)
{
return;
}
if ($Excerpt['text'][1] === '/' and preg_match('/^<\/\w*[ ]*>/s', $Excerpt['text'], $matches))
if ($Excerpt['text'][1] === '/' and preg_match('/^<\/\w[\w-]*[ ]*>/s', $Excerpt['text'], $matches))
{
return array(
'markup' => $matches[0],
@ -1264,7 +1336,7 @@ class Parsedown
);
}
if ($Excerpt['text'][1] !== ' ' and preg_match('/^<\w*(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*\/?>/s', $Excerpt['text'], $matches))
if ($Excerpt['text'][1] !== ' ' and preg_match('/^<\w[\w-]*(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*\/?>/s', $Excerpt['text'], $matches))
{
return array(
'markup' => $matches[0],
@ -1323,14 +1395,16 @@ class Parsedown
if (preg_match('/\bhttps?:[\/]{2}[^\s<]+\b\/*/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE))
{
$url = $matches[0][0];
$Inline = array(
'extent' => strlen($matches[0][0]),
'position' => $matches[0][1],
'element' => array(
'name' => 'a',
'text' => $matches[0][0],
'text' => $url,
'attributes' => array(
'href' => $matches[0][0],
'href' => $url,
),
),
);
@ -1343,7 +1417,7 @@ class Parsedown
{
if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\w+:\/{2}[^ >]+)>/i', $Excerpt['text'], $matches))
{
$url = str_replace(array('&', '<'), array('&amp;', '&lt;'), $matches[1]);
$url = $matches[1];
return array(
'extent' => strlen($matches[0]),
@ -1381,6 +1455,11 @@ class Parsedown
protected function element(array $Element)
{
if ($this->safeMode)
{
$Element = $this->sanitiseElement($Element);
}
$markup = '<'.$Element['name'];
if (isset($Element['attributes']))
@ -1392,7 +1471,7 @@ class Parsedown
continue;
}
$markup .= ' '.$name.'="'.$value.'"';
$markup .= ' '.$name.'="'.self::escape($value).'"';
}
}
@ -1400,13 +1479,18 @@ class Parsedown
{
$markup .= '>';
if (!isset($Element['nonNestables']))
{
$Element['nonNestables'] = array();
}
if (isset($Element['handler']))
{
$markup .= $this->{$Element['handler']}($Element['text']);
$markup .= $this->{$Element['handler']}($Element['text'], $Element['nonNestables']);
}
else
{
$markup .= $Element['text'];
$markup .= self::escape($Element['text'], true);
}
$markup .= '</'.$Element['name'].'>';
@ -1465,10 +1549,77 @@ class Parsedown
return $markup;
}
protected function sanitiseElement(array $Element)
{
static $goodAttribute = '/^[a-zA-Z0-9][a-zA-Z0-9-_]*+$/';
static $safeUrlNameToAtt = array(
'a' => 'href',
'img' => 'src',
);
if (isset($safeUrlNameToAtt[$Element['name']]))
{
$Element = $this->filterUnsafeUrlInAttribute($Element, $safeUrlNameToAtt[$Element['name']]);
}
if ( ! empty($Element['attributes']))
{
foreach ($Element['attributes'] as $att => $val)
{
# filter out badly parsed attribute
if ( ! preg_match($goodAttribute, $att))
{
unset($Element['attributes'][$att]);
}
# dump onevent attribute
elseif (self::striAtStart($att, 'on'))
{
unset($Element['attributes'][$att]);
}
}
}
return $Element;
}
protected function filterUnsafeUrlInAttribute(array $Element, $attribute)
{
foreach ($this->safeLinksWhitelist as $scheme)
{
if (self::striAtStart($Element['attributes'][$attribute], $scheme))
{
return $Element;
}
}
$Element['attributes'][$attribute] = str_replace(':', '%3A', $Element['attributes'][$attribute]);
return $Element;
}
#
# Static Methods
#
protected static function escape($text, $allowQuotes = false)
{
return htmlspecialchars($text, $allowQuotes ? ENT_NOQUOTES : ENT_QUOTES, 'UTF-8');
}
protected static function striAtStart($string, $needle)
{
$len = strlen($needle);
if ($len > strlen($string))
{
return false;
}
else
{
return strtolower(substr($string, 0, $len)) === strtolower($needle);
}
}
static function instance($name = 'default')
{
if (isset(self::$instances[$name]))
@ -1519,10 +1670,10 @@ class Parsedown
'b', 'em', 'big', 'cite', 'small', 'spacer', 'listing',
'i', 'rp', 'del', 'code', 'strike', 'marquee',
'q', 'rt', 'ins', 'font', 'strong',
's', 'tt', 'sub', 'mark',
'u', 'xm', 'sup', 'nobr',
'var', 'ruby',
'wbr', 'span',
'time',
's', 'tt', 'kbd', 'mark',
'u', 'xm', 'sub', 'nobr',
'sup', 'ruby',
'var', 'span',
'wbr', 'time',
);
}

2
library/vendor/Parsedown/SOURCE vendored
View File

@ -1,4 +1,4 @@
RELEASE=1.6.0
RELEASE=1.7.1
PARSEDOWN=parsedown-$RELEASE
curl https://codeload.github.com/erusev/parsedown/tar.gz/${RELEASE} -o ${PARSEDOWN}.tar.gz
tar xfz ${PARSEDOWN}.tar.gz --strip-components 1 ${PARSEDOWN}/Parsedown.php ${PARSEDOWN}/LICENSE.txt