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Partial query string normalization

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This commit is contained in:
J. King 2021-01-30 13:38:02 -05:00
parent 3b2190ca10
commit 1e924bed83
1 changed files with 40 additions and 0 deletions
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40
lib/REST/Miniflux/V1.php
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@ -32,6 +32,20 @@ class V1 extends \JKingWeb\Arsse\REST\AbstractHandler {
protected const ACCEPTED_TYPES_OPML = ["application/xml", "text/xml", "text/x-opml"];
protected const ACCEPTED_TYPES_JSON = ["application/json"];
protected const TOKEN_LENGTH = 32;
protected const VALID_QUERY = [
'status' => V::T_STRING + V::M_ARRAY,
'offset' => V::T_INT,
'limit' => V::T_INT,
'order' => V::T_STRING,
'direction' => V::T_STRING,
'before' => V::T_DATE, // Unix timestamp
'after' => V::T_DATE, // Unix timestamp
'before_entry_id' => V::T_INT,
'after_entry_id' => V::T_INT,
'starred' => V::T_BOOL,
'search' => V::T_STRING,
'category_id' => V::T_INT,
];
protected const VALID_JSON = [
// user properties which map directly to Arsse user metadata are listed separately;
// not all these properties are used by our implementation, but they are treated
@ -345,6 +359,32 @@ class V1 extends \JKingWeb\Arsse\REST\AbstractHandler {
return $body;
}
protected function normalizeQuery(string $query): array {
// fill an array with all valid keys
$out = [];
foreach (self::VALID_QUERY as $k => $t) {
$out[$k] = ($t >= V::M_ARRAY) ? [] : null;
}
// split the query string and normalize the values to their correct types
foreach (explode("&", $query) as $parts) {
$parts = explode("=", $parts, 2);
$k = rawurldecode($parts[0]);
$v = (isset($parts[1])) ? rawurldecode($parts[1]) : null;
if (!isset(self::VALID_QUERY[$k]) || !isset($v)) {
// ignore unknown keys and missing values
continue;
}
$t = self::VALID_QUERY[$k] & ~V::M_ARRAY;
$a = self::VALID_QUERY[$k] >= V::M_ARRAY;
if ($a) {
$out[$k][] = V::normalize($v, $t + V::M_DROP, "unix");
} elseif (!isset($out[$k])) {
$out[$k] = V::normalize($v, $t + V::M_DROP, "unix");
}
}
return $out;
}
protected function handleHTTPOptions(string $url): ResponseInterface {
// normalize the URL path: change any IDs to 1 for easier comparison
$url = $this->normalizePathIDs($url);