janniclas.loosenandClaude Opus 5.5
f69efcb953
The lit_mcp_allowed_roles filter could return a non-array, causing array_filter() to throw TypeError in PHP 8.1+. Now fallback to ['administrator'] if filter result is not an array. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7
84 lines
2.0 KiB
PHP
84 lines
2.0 KiB
PHP
<?php
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declare(strict_types=1);
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namespace LIT\MCP;
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use WP_User;
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/**
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* Role gate: only users whose role is allowed get the lit_mcp_use capability.
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*
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* The capability is granted dynamically via user_has_cap, so no role objects
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* in the database are modified.
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*/
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final class Access
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{
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public const CAPABILITY = 'lit_mcp_use';
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public const OPTION = 'lit_mcp_allowed_roles';
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private const DEFAULT_ROLES = ['administrator'];
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private const ADAPTER_META_TOOLS = [
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'discover_abilities',
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'get_ability_info',
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'execute_ability',
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];
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public function register(): void
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{
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add_filter('user_has_cap', [$this, 'grantCapability'], 10, 4);
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foreach (self::ADAPTER_META_TOOLS as $tool) {
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add_filter(
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"mcp_adapter_{$tool}_capability",
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static fn (): string => self::CAPABILITY
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);
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}
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}
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/**
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* @return list<string>
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*/
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public function allowedRoles(): array
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{
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$roles = get_option(self::OPTION, self::DEFAULT_ROLES);
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if (! is_array($roles)) {
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$roles = self::DEFAULT_ROLES;
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}
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$roles = apply_filters('lit_mcp_allowed_roles', $roles);
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if (! is_array($roles)) {
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$roles = self::DEFAULT_ROLES;
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}
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return array_values(array_filter($roles, 'is_string'));
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}
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/**
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* @param array<string, bool> $allcaps
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* @param list<string> $caps
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* @param array<int, mixed> $args
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* @return array<string, bool>
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*/
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public function grantCapability(
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array $allcaps,
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array $caps,
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array $args,
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WP_User $user
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): array {
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if (! in_array(self::CAPABILITY, $caps, true)) {
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return $allcaps;
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}
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if (array_intersect($user->roles, $this->allowedRoles()) !== []) {
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$allcaps[self::CAPABILITY] = true;
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}
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return $allcaps;
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}
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public static function currentUserMayUse(): bool
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{
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return current_user_can(self::CAPABILITY);
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}
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}
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