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Replace regex with ctype function

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This commit is contained in:
Khushboo Verma 2024-08-12 15:39:35 +05:30
parent d895e62c81
commit 285b48a9e8
1 changed files with 10 additions and 6 deletions
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16
src/Appwrite/Functions/Validator/Headers.php
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@ -53,20 +53,24 @@ class Headers extends Validator
if (\is_array($value)) {
foreach ($value as $key => $val) {
$length = \strlen($key);
// Reject non-string keys
if (!\is_string($key) || \strlen($key) === 0) {
if (!\is_string($key) || $length === 0) {
return false;
}
// Check if the key is a single character and ensure it is an alphabetic character
if (\strlen($key) === 1 && !preg_match('/^[a-zA-Z]$/', $key)) {
// Check first and last character
if (!ctype_alnum($key[0]) || !ctype_alnum($key[$length - 1])) {
return false;
}
// Check for invalid characters in keys longer than one character
if (\strlen($key) > 1 && !preg_match('/^[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9]$/', $key)) {
return false;
// Check middle characters
for ($i = 1; $i < $length - 1; $i++) {
if (!ctype_alnum($key[$i]) && $key[$i] !== '-') {
return false;
}
}
// Check for x-appwrite- prefix
if (str_starts_with($key, 'x-appwrite-')) {
return false;