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60 lines
1.3 KiB
PHP
60 lines
1.3 KiB
PHP
<?php
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namespace App\Rules;
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use Illuminate\Contracts\Validation\Rule;
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class WebFinger implements Rule
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{
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/**
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* Determine if the validation rule passes.
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*
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* @param string $attribute
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* @param mixed $value
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* @return bool
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*/
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public function passes($attribute, $value)
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{
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if (! is_string($value)) {
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return false;
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}
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$mention = $value;
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if (str_starts_with($mention, '@')) {
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$mention = substr($mention, 1);
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}
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$parts = explode('@', $mention);
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if (count($parts) !== 2) {
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return false;
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}
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[$username, $domain] = $parts;
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if (empty($username) ||
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! preg_match('/^[a-zA-Z0-9_.-]+$/', $username) ||
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strlen($username) >= 80) {
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return false;
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}
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if (empty($domain) ||
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! str_contains($domain, '.') ||
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! preg_match('/^[a-zA-Z0-9.-]+$/', $domain) ||
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strlen($domain) >= 255) {
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return false;
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}
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return true;
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}
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/**
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* Get the validation error message.
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*
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* @return string
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*/
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public function message()
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{
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return 'The :attribute must be a valid WebFinger address (username@domain.tld or @username@domain.tld)';
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}
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}
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