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[ticket/11828] Fix greedy operators in lexer

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Use lazy operators and use stricter validation

PHPBB3-11828
This commit is contained in:
Nathan Guse 2013-09-12 14:15:41 -05:00
parent fc1dfd779d
commit 8c2f73bb09
3 changed files with 6 additions and 5 deletions
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8
phpBB/phpbb/template/twig/lexer.php
View File

@ -75,7 +75,7 @@ class phpbb_template_twig_lexer extends Twig_Lexer
// Fix tokens that may have inline variables (e.g. <!-- DEFINE $TEST = '{FOO}')
$code = $this->fix_inline_variable_tokens(array(
'DEFINE.+=',
'DEFINE \$[a-zA-Z0-9]+ =',
'INCLUDE',
'INCLUDEPHP',
'INCLUDEJS',
@ -240,7 +240,7 @@ class phpbb_template_twig_lexer extends Twig_Lexer
return "<!-- {$matches[1]}IF{$inner}-->";
};
return preg_replace_callback('#<!-- (ELSE)?IF((.*)[\s][\$|\.|!]([^\s]+)(.*))-->#', $callback, $code);
return preg_replace_callback('#<!-- (ELSE)?IF((.*?)[\s][\$|\.|!]([^\s]+)(.*?))-->#', $callback, $code);
}
/**
@ -264,10 +264,10 @@ class phpbb_template_twig_lexer extends Twig_Lexer
*/
// Replace <!-- DEFINE $NAME with {% DEFINE definition.NAME
$code = preg_replace('#<!-- DEFINE \$(.*)-->#', '{% DEFINE $1 %}', $code);
$code = preg_replace('#<!-- DEFINE \$(.*?) -->#', '{% DEFINE $1 %}', $code);
// Changing UNDEFINE NAME to DEFINE NAME = null to save from creating an extra token parser/node
$code = preg_replace('#<!-- UNDEFINE \$(.*)-->#', '{% DEFINE $1= null %}', $code);
$code = preg_replace('#<!-- UNDEFINE \$(.*?)-->#', '{% DEFINE $1= null %}', $code);
// Replace all of our variables, {$VARNAME}, with Twig style, {{ definition.VARNAME }}
$code = preg_replace('#{\$([a-zA-Z0-9_\.]+)}#', '{{ definition.$1 }}', $code);

2
tests/template/template_test.php
View File

@ -158,7 +158,7 @@ class phpbb_template_template_test extends phpbb_template_template_test_case
array(),
array('test_loop' => array(array(), array(), array(), array(), array(), array(), array()), 'test' => array(array()), 'test.deep' => array(array()), 'test.deep.defines' => array(array())),
array(),
"xyz\nabc\n\$VALUE == 'abc'abc\nbar\nbar\nabc\ntest!@#$%^&*()_-=+{}[]:;\",<.>/?\n[]",
"xyz\nabc\n\$VALUE == 'abc'abc\nbar\nbar\nabc\ntest!@#$%^&*()_-=+{}[]:;\",<.>/?\n[]|foobar|",
),
array(
'define_advanced.html',

1
tests/template/templates/define.html
View File

@ -16,3 +16,4 @@ $VALUE == 'abc'
{$VALUE}
<!-- DEFINE $VALUE = '' -->
[{$VALUE}]
<!-- DEFINE $TEST -->foobar<!-- ENDDEFINE -->|{$TEST}|