[HttpFoundation] Use parse_str() for query strings normalization
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@ -4,6 +4,7 @@ CHANGELOG
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4.1.0
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-----
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* Query string normalization uses `parse_str()` instead of custom parsing logic.
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* Passing the file size to the constructor of the `UploadedFile` class is deprecated.
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* The `getClientSize()` method of the `UploadedFile` class is deprecated. Use `getSize()` instead.
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* added `RedisSessionHandler` to use Redis as a session storage
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@ -629,31 +629,10 @@ class Request
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return '';
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}
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$parts = array();
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$order = array();
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parse_str($qs, $qs);
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ksort($qs);
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foreach (explode('&', $qs) as $param) {
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if ('' === $param || '=' === $param[0]) {
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// Ignore useless delimiters, e.g. "x=y&".
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// Also ignore pairs with empty key, even if there was a value, e.g. "=value", as such nameless values cannot be retrieved anyway.
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// PHP also does not include them when building _GET.
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continue;
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}
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$keyValuePair = explode('=', $param, 2);
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// GET parameters, that are submitted from a HTML form, encode spaces as "+" by default (as defined in enctype application/x-www-form-urlencoded).
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// PHP also converts "+" to spaces when filling the global _GET or when using the function parse_str. This is why we use urldecode and then normalize to
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// RFC 3986 with rawurlencode.
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$parts[] = isset($keyValuePair[1]) ?
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rawurlencode(urldecode($keyValuePair[0])).'='.rawurlencode(urldecode($keyValuePair[1])) :
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rawurlencode(urldecode($keyValuePair[0]));
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$order[] = urldecode($keyValuePair[0]);
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}
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array_multisort($order, SORT_ASC, $parts);
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return implode('&', $parts);
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return http_build_query($qs, '', '&', PHP_QUERY_RFC3986);
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}
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/**
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@ -675,7 +675,7 @@ class RequestTest extends TestCase
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public function getQueryStringNormalizationData()
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{
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return array(
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array('foo', 'foo', 'works with valueless parameters'),
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array('foo', 'foo=', 'works with valueless parameters'),
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array('foo=', 'foo=', 'includes a dangling equal sign'),
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array('bar=&foo=bar', 'bar=&foo=bar', '->works with empty parameters'),
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array('foo=bar&bar=', 'bar=&foo=bar', 'sorts keys alphabetically'),
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@ -684,18 +684,24 @@ class RequestTest extends TestCase
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// PHP also converts "+" to spaces when filling the global _GET or when using the function parse_str.
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array('him=John%20Doe&her=Jane+Doe', 'her=Jane%20Doe&him=John%20Doe', 'normalizes spaces in both encodings "%20" and "+"'),
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array('foo[]=1&foo[]=2', 'foo%5B%5D=1&foo%5B%5D=2', 'allows array notation'),
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array('foo=1&foo=2', 'foo=1&foo=2', 'allows repeated parameters'),
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array('foo[]=1&foo[]=2', 'foo%5B0%5D=1&foo%5B1%5D=2', 'allows array notation'),
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array('foo=1&foo=2', 'foo=2', 'merges repeated parameters'),
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array('pa%3Dram=foo%26bar%3Dbaz&test=test', 'pa%3Dram=foo%26bar%3Dbaz&test=test', 'works with encoded delimiters'),
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array('0', '0', 'allows "0"'),
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array('Jane Doe&John%20Doe', 'Jane%20Doe&John%20Doe', 'normalizes encoding in keys'),
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array('0', '0=', 'allows "0"'),
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array('Jane Doe&John%20Doe', 'Jane_Doe=&John_Doe=', 'normalizes encoding in keys'),
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array('her=Jane Doe&him=John%20Doe', 'her=Jane%20Doe&him=John%20Doe', 'normalizes encoding in values'),
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array('foo=bar&&&test&&', 'foo=bar&test', 'removes unneeded delimiters'),
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array('foo=bar&&&test&&', 'foo=bar&test=', 'removes unneeded delimiters'),
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array('formula=e=m*c^2', 'formula=e%3Dm%2Ac%5E2', 'correctly treats only the first "=" as delimiter and the next as value'),
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// Ignore pairs with empty key, even if there was a value, e.g. "=value", as such nameless values cannot be retrieved anyway.
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// PHP also does not include them when building _GET.
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array('foo=bar&=a=b&=x=y', 'foo=bar', 'removes params with empty key'),
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// Don't reorder nested query string keys
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array('foo[]=Z&foo[]=A', 'foo%5B0%5D=Z&foo%5B1%5D=A', 'keeps order of values'),
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array('foo[Z]=B&foo[A]=B', 'foo%5BZ%5D=B&foo%5BA%5D=B', 'keeps order of keys'),
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array('utf8=✓', 'utf8=%E2%9C%93', 'encodes UTF-8'),
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);
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}
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