| 1 |
<?php |
| 2 |
/** |
| 3 |
* Prompts method handlers for MCP requests. |
| 4 |
* |
| 5 |
* @package McpAdapter |
| 6 |
*/ |
| 7 |
|
| 8 |
declare( strict_types=1 ); |
| 9 |
|
| 10 |
namespace WP\MCP\Handlers\Prompts; |
| 11 |
|
| 12 |
use WP\MCP\Core\McpServer; |
| 13 |
use WP\MCP\Handlers\HandlerHelperTrait; |
| 14 |
use WP\MCP\Infrastructure\ErrorHandling\McpErrorFactory; |
| 15 |
use WP\McpSchema\Server\Prompts\DTO\GetPromptResult; |
| 16 |
use WP\McpSchema\Server\Prompts\DTO\ListPromptsResult; |
| 17 |
use WP\McpSchema\Server\Prompts\DTO\Prompt as PromptDto; |
| 18 |
use WP\McpSchema\Server\Prompts\DTO\PromptMessage; |
| 19 |
|
| 20 |
/** |
| 21 |
* Handles prompts-related MCP methods. |
| 22 |
* |
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* @since 0.5.0 |
| 24 |
*/ |
| 25 |
class PromptsHandler { |
| 26 |
use HandlerHelperTrait; |
| 27 |
|
| 28 |
/** |
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* Valid content types from ContentBlockFactory. |
| 30 |
* |
| 31 |
* @var list<string> |
| 32 |
*/ |
| 33 |
private static array $valid_content_types = array( 'text', 'image', 'audio', 'resource_link', 'resource' ); |
| 34 |
|
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/** |
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* Valid role values for PromptMessage. |
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* |
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* @var list<string> |
| 39 |
*/ |
| 40 |
private static array $valid_roles = array( 'user', 'assistant' ); |
| 41 |
|
| 42 |
/** |
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* Default role for messages when not specified. |
| 44 |
* |
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* @var string |
| 46 |
*/ |
| 47 |
private static string $default_role = 'user'; |
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|
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/** |
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* The WordPress MCP instance. |
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* |
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* @var \WP\MCP\Core\McpServer |
| 53 |
*/ |
| 54 |
private McpServer $mcp; |
| 55 |
|
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/** |
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* Constructor. |
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* |
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* @param \WP\MCP\Core\McpServer $mcp The WordPress MCP instance. |
| 60 |
*/ |
| 61 |
public function __construct( McpServer $mcp ) { |
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$this->mcp = $mcp; |
| 63 |
} |
| 64 |
|
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/** |
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* Handles the prompts/list request. |
| 67 |
* |
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* @return \WP\McpSchema\Server\Prompts\DTO\ListPromptsResult Response with prompts list DTO. |
| 69 |
*/ |
| 70 |
public function list_prompts(): ListPromptsResult { |
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$prompts = array_values( $this->mcp->get_prompts() ); |
| 72 |
|
| 73 |
/** |
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* Filters the list of prompts before returning to the client. |
| 75 |
* |
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* Use this filter to filter prompts by context, add dynamic prompts, |
| 77 |
* or reorder the prompts list. |
| 78 |
* |
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* @since 0.5.0 |
| 80 |
* |
| 81 |
* @param array<\WP\McpSchema\Server\Prompts\DTO\Prompt> $prompts Array of Prompt DTOs. |
| 82 |
* @param \WP\MCP\Core\McpServer $server The MCP server instance. |
| 83 |
*/ |
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$prompts = $this->validate_filtered_list( |
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apply_filters( 'mcp_adapter_prompts_list', $prompts, $this->mcp ), |
| 86 |
$prompts, |
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'mcp_adapter_prompts_list', |
| 88 |
$this->mcp->get_error_handler() |
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); |
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|
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return ListPromptsResult::fromArray( |
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array( |
| 93 |
'prompts' => $prompts, |
| 94 |
) |
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); |
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} |
| 97 |
|
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/** |
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* Handles the prompts/get request. |
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* |
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* @param array $params Request parameters. |
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* @param string|int|null $request_id Optional. The request ID for JSON-RPC. Default 0. |
| 103 |
* |
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* @return \WP\McpSchema\Server\Prompts\DTO\GetPromptResult|\WP\McpSchema\Common\JsonRpc\DTO\JSONRPCErrorResponse Response with prompt execution results or error. |
| 105 |
*/ |
| 106 |
public function get_prompt( array $params, $request_id = 0 ) { |
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// Extract parameters using helper method. |
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$request_params = $this->extract_params( $params ); |
| 109 |
|
| 110 |
if ( ! isset( $request_params['name'] ) ) { |
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return McpErrorFactory::missing_parameter( $request_id, 'name' ); |
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} |
| 113 |
|
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$prompt_name = (string) $request_params['name']; |
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$prompt_name = trim( $prompt_name ); |
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|
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if ( isset( $request_params['arguments'] ) && ! is_array( $request_params['arguments'] ) ) { |
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return McpErrorFactory::invalid_params( $request_id, 'arguments must be an object' ); |
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} |
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|
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$mcp_prompt = $this->mcp->get_mcp_prompt( $prompt_name ); |
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|
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if ( ! $mcp_prompt ) { |
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return McpErrorFactory::prompt_not_found( $request_id, $prompt_name ); |
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} |
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|
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/** @var \WP\McpSchema\Server\Prompts\DTO\Prompt $prompt */ |
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$prompt = $mcp_prompt->get_protocol_dto(); |
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|
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// Get the arguments for the prompt. |
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$arguments = $request_params['arguments'] ?? array(); |
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|
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try { |
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$permission = $mcp_prompt->check_permission( $arguments ); |
| 135 |
if ( true !== $permission ) { |
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$error_message = 'Access denied for prompt: ' . $prompt_name; |
| 137 |
if ( is_wp_error( $permission ) ) { |
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$error_message = $permission->get_error_message(); |
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} |
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|
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return McpErrorFactory::permission_denied( $request_id, $error_message ); |
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} |
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|
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/** |
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* Filters prompt arguments before execution, or short-circuits execution entirely. |
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* |
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* Return the (optionally modified) arguments array to proceed with execution, |
| 148 |
* or return a WP_Error to block execution and return an error to the client. |
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* |
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* @since 0.5.0 |
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* |
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* @param array $arguments The prompt arguments. |
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* @param string $prompt_name The prompt name being retrieved. |
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* @param \WP\MCP\Domain\Prompts\McpPrompt $mcp_prompt The MCP prompt instance. |
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* @param \WP\MCP\Core\McpServer $server The MCP server instance. |
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*/ |
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$arguments = apply_filters( 'mcp_adapter_pre_prompt_get', $arguments, $prompt_name, $mcp_prompt, $this->mcp ); |
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|
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// Allow pre-filter to short-circuit execution by returning WP_Error. |
| 160 |
if ( is_wp_error( $arguments ) ) { |
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return McpErrorFactory::internal_error( $request_id, $arguments->get_error_message() ); |
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} |
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|
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$result = $mcp_prompt->execute( $arguments ); |
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|
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/** |
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* Filters the prompt execution result before normalization. |
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* |
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* Use this filter for message transformation, context injection, |
| 170 |
* content enrichment, or audit logging. |
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* |
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* @since 0.5.0 |
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* |
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* @param mixed|\WP_Error $result The raw execution result (may be WP_Error). |
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* @param array $arguments The prompt arguments used. |
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* @param string $prompt_name The prompt name. |
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* @param \WP\MCP\Domain\Prompts\McpPrompt $mcp_prompt The MCP prompt instance. |
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* @param \WP\MCP\Core\McpServer $server The MCP server instance. |
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*/ |
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$result = apply_filters( 'mcp_adapter_prompt_get_result', $result, $arguments, $prompt_name, $mcp_prompt, $this->mcp ); |
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|
| 182 |
if ( is_wp_error( $result ) ) { |
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$this->mcp->get_error_handler()->log( |
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'Prompt execution returned WP_Error', |
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array( |
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'prompt_name' => $prompt_name, |
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'error_code' => $result->get_error_code(), |
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'error_message' => $result->get_error_message(), |
| 189 |
) |
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); |
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|
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return McpErrorFactory::internal_error( $request_id, $result->get_error_message() ); |
| 193 |
} |
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|
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return $this->normalize_result_to_dto( $result, $prompt, $prompt_name ); |
| 196 |
} catch ( \Throwable $e ) { |
| 197 |
$this->mcp->get_error_handler()->log( |
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'Prompt execution failed', |
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array( |
| 200 |
'prompt_name' => $prompt_name, |
| 201 |
'arguments' => $arguments, |
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'error' => $e->getMessage(), |
| 203 |
) |
| 204 |
); |
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|
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return McpErrorFactory::internal_error( $request_id, 'Prompt execution failed' ); |
| 207 |
} |
| 208 |
} |
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|
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// ========================================================================= |
| 211 |
// Result Normalization (Tiered Convenience Shortcuts) |
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// ========================================================================= |
| 213 |
|
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/** |
| 215 |
* Normalize and convert prompt execution result to GetPromptResult DTO. |
| 216 |
* |
| 217 |
* Supports tiered return formats: |
| 218 |
* - Tier 1: Full MCP format with 'messages' array |
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* - Tier 2: Simple 'text' shorthand |
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* - Tier 3: Single message with 'role' and 'content' |
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* - Tier 4: Multi-text with 'texts' array |
| 222 |
* - Tier 5: Fallback JSON encoding for arbitrary data |
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* |
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* @since 0.5.0 |
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* |
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* @param array $result Raw result from prompt execution. |
| 227 |
* @param \WP\McpSchema\Server\Prompts\DTO\Prompt $prompt The prompt DTO for description fallback. |
| 228 |
* @param string $prompt_name Prompt name for logging. |
| 229 |
* |
| 230 |
* @return \WP\McpSchema\Server\Prompts\DTO\GetPromptResult |
| 231 |
*/ |
| 232 |
private function normalize_result_to_dto( |
| 233 |
array $result, |
| 234 |
PromptDto $prompt, |
| 235 |
string $prompt_name |
| 236 |
): GetPromptResult { |
| 237 |
// Tier 1: Full MCP format with 'messages' array. |
| 238 |
if ( isset( $result['messages'] ) && is_array( $result['messages'] ) ) { |
| 239 |
return $this->normalize_tier1_messages( $result, $prompt, $prompt_name ); |
| 240 |
} |
| 241 |
|
| 242 |
// Tier 2: Simple 'text' shorthand. |
| 243 |
if ( isset( $result['text'] ) && is_string( $result['text'] ) ) { |
| 244 |
return $this->normalize_tier2_text( $result, $prompt ); |
| 245 |
} |
| 246 |
|
| 247 |
// Tier 3: Single message with 'role' key. |
| 248 |
if ( isset( $result['role'] ) && isset( $result['content'] ) ) { |
| 249 |
return $this->normalize_tier3_single_message( $result, $prompt, $prompt_name ); |
| 250 |
} |
| 251 |
|
| 252 |
// Tier 4: Multi-text with 'texts' array. |
| 253 |
if ( isset( $result['texts'] ) && is_array( $result['texts'] ) ) { |
| 254 |
return $this->normalize_tier4_texts( $result, $prompt ); |
| 255 |
} |
| 256 |
|
| 257 |
// Tier 5: Fallback - JSON encode arbitrary data. |
| 258 |
return $this->normalize_tier5_fallback( $result, $prompt, $prompt_name ); |
| 259 |
} |
| 260 |
|
| 261 |
/** |
| 262 |
* Tier 1: Full MCP-compliant format with 'messages' array. |
| 263 |
* |
| 264 |
* @since 0.5.0 |
| 265 |
* |
| 266 |
* @param array $result Raw result with 'messages' key. |
| 267 |
* @param \WP\McpSchema\Server\Prompts\DTO\Prompt $prompt The prompt DTO. |
| 268 |
* @param string $prompt_name Prompt name for logging. |
| 269 |
* |
| 270 |
* @return \WP\McpSchema\Server\Prompts\DTO\GetPromptResult |
| 271 |
*/ |
| 272 |
private function normalize_tier1_messages( |
| 273 |
array $result, |
| 274 |
PromptDto $prompt, |
| 275 |
string $prompt_name |
| 276 |
): GetPromptResult { |
| 277 |
$message_dtos = array(); |
| 278 |
|
| 279 |
foreach ( $result['messages'] as $index => $message ) { |
| 280 |
if ( ! is_array( $message ) ) { |
| 281 |
$this->mcp->get_error_handler()->log( |
| 282 |
'Invalid message structure in prompt result, skipping', |
| 283 |
array( |
| 284 |
'prompt_name' => $prompt_name, |
| 285 |
'message_index' => $index, |
| 286 |
'message_type' => gettype( $message ), |
| 287 |
), |
| 288 |
'warning' |
| 289 |
); |
| 290 |
continue; |
| 291 |
} |
| 292 |
|
| 293 |
$message_dtos[] = $this->validate_and_create_message( $message, $prompt_name ); |
| 294 |
} |
| 295 |
|
| 296 |
// Ensure we have at least one message. |
| 297 |
if ( empty( $message_dtos ) ) { |
| 298 |
$message_dtos[] = PromptMessage::fromArray( |
| 299 |
array( |
| 300 |
'role' => self::$default_role, |
| 301 |
'content' => array( |
| 302 |
'type' => 'text', |
| 303 |
'text' => '(No messages returned)', |
| 304 |
), |
| 305 |
) |
| 306 |
); |
| 307 |
} |
| 308 |
|
| 309 |
return GetPromptResult::fromArray( |
| 310 |
array( |
| 311 |
'messages' => $message_dtos, |
| 312 |
'description' => $result['description'] ?? $prompt->getDescription(), |
| 313 |
) |
| 314 |
); |
| 315 |
} |
| 316 |
|
| 317 |
/** |
| 318 |
* Tier 2: Simple 'text' shorthand. |
| 319 |
* |
| 320 |
* Creates a single user message with text content. |
| 321 |
* |
| 322 |
* @since 0.5.0 |
| 323 |
* |
| 324 |
* @param array $result Raw result with 'text' key. |
| 325 |
* @param \WP\McpSchema\Server\Prompts\DTO\Prompt $prompt The prompt DTO. |
| 326 |
* |
| 327 |
* @return \WP\McpSchema\Server\Prompts\DTO\GetPromptResult |
| 328 |
*/ |
| 329 |
private function normalize_tier2_text( array $result, PromptDto $prompt ): GetPromptResult { |
| 330 |
$content = array( |
| 331 |
'type' => 'text', |
| 332 |
'text' => (string) $result['text'], |
| 333 |
); |
| 334 |
|
| 335 |
// Support optional annotations on the text. |
| 336 |
if ( isset( $result['annotations'] ) && is_array( $result['annotations'] ) ) { |
| 337 |
$content['annotations'] = $result['annotations']; |
| 338 |
} |
| 339 |
|
| 340 |
$message_dto = PromptMessage::fromArray( |
| 341 |
array( |
| 342 |
'role' => self::$default_role, |
| 343 |
'content' => $content, |
| 344 |
) |
| 345 |
); |
| 346 |
|
| 347 |
return GetPromptResult::fromArray( |
| 348 |
array( |
| 349 |
'messages' => array( $message_dto ), |
| 350 |
'description' => $result['description'] ?? $prompt->getDescription(), |
| 351 |
) |
| 352 |
); |
| 353 |
} |
| 354 |
|
| 355 |
/** |
| 356 |
* Tier 3: Single message with 'role' and 'content'. |
| 357 |
* |
| 358 |
* @since 0.5.0 |
| 359 |
* |
| 360 |
* @param array $result Raw result with 'role' and 'content' keys. |
| 361 |
* @param \WP\McpSchema\Server\Prompts\DTO\Prompt $prompt The prompt DTO. |
| 362 |
* @param string $prompt_name Prompt name for logging. |
| 363 |
* |
| 364 |
* @return \WP\McpSchema\Server\Prompts\DTO\GetPromptResult |
| 365 |
*/ |
| 366 |
private function normalize_tier3_single_message( |
| 367 |
array $result, |
| 368 |
PromptDto $prompt, |
| 369 |
string $prompt_name |
| 370 |
): GetPromptResult { |
| 371 |
$message_dto = $this->validate_and_create_message( $result, $prompt_name ); |
| 372 |
|
| 373 |
return GetPromptResult::fromArray( |
| 374 |
array( |
| 375 |
'messages' => array( $message_dto ), |
| 376 |
'description' => $result['description'] ?? $prompt->getDescription(), |
| 377 |
) |
| 378 |
); |
| 379 |
} |
| 380 |
|
| 381 |
/** |
| 382 |
* Tier 4: Multi-text with 'texts' array. |
| 383 |
* |
| 384 |
* Creates multiple messages with the same role. |
| 385 |
* |
| 386 |
* @since 0.5.0 |
| 387 |
* |
| 388 |
* @param array $result Raw result with 'texts' key. |
| 389 |
* @param \WP\McpSchema\Server\Prompts\DTO\Prompt $prompt The prompt DTO. |
| 390 |
* |
| 391 |
* @return \WP\McpSchema\Server\Prompts\DTO\GetPromptResult |
| 392 |
*/ |
| 393 |
private function normalize_tier4_texts( array $result, PromptDto $prompt ): GetPromptResult { |
| 394 |
$role = $this->validate_role( $result['role'] ?? self::$default_role, '' ); |
| 395 |
$message_dtos = array(); |
| 396 |
|
| 397 |
foreach ( $result['texts'] as $text ) { |
| 398 |
if ( ! is_string( $text ) ) { |
| 399 |
continue; |
| 400 |
} |
| 401 |
|
| 402 |
$message_dtos[] = PromptMessage::fromArray( |
| 403 |
array( |
| 404 |
'role' => $role, |
| 405 |
'content' => array( |
| 406 |
'type' => 'text', |
| 407 |
'text' => $text, |
| 408 |
), |
| 409 |
) |
| 410 |
); |
| 411 |
} |
| 412 |
|
| 413 |
// Ensure we have at least one message. |
| 414 |
if ( empty( $message_dtos ) ) { |
| 415 |
$message_dtos[] = PromptMessage::fromArray( |
| 416 |
array( |
| 417 |
'role' => $role, |
| 418 |
'content' => array( |
| 419 |
'type' => 'text', |
| 420 |
'text' => '(No texts provided)', |
| 421 |
), |
| 422 |
) |
| 423 |
); |
| 424 |
} |
| 425 |
|
| 426 |
return GetPromptResult::fromArray( |
| 427 |
array( |
| 428 |
'messages' => $message_dtos, |
| 429 |
'description' => $result['description'] ?? $prompt->getDescription(), |
| 430 |
) |
| 431 |
); |
| 432 |
} |
| 433 |
|
| 434 |
/** |
| 435 |
* Tier 5: Fallback - JSON encode arbitrary data. |
| 436 |
* |
| 437 |
* Used when no other tier matches. Logs an observability event. |
| 438 |
* |
| 439 |
* @since 0.5.0 |
| 440 |
* |
| 441 |
* @param array $result Raw result (arbitrary structure). |
| 442 |
* @param \WP\McpSchema\Server\Prompts\DTO\Prompt $prompt The prompt DTO. |
| 443 |
* @param string $prompt_name Prompt name for logging. |
| 444 |
* |
| 445 |
* @return \WP\McpSchema\Server\Prompts\DTO\GetPromptResult |
| 446 |
*/ |
| 447 |
private function normalize_tier5_fallback( |
| 448 |
array $result, |
| 449 |
PromptDto $prompt, |
| 450 |
string $prompt_name |
| 451 |
): GetPromptResult { |
| 452 |
// Log observability event for fallback normalization. |
| 453 |
$this->mcp->get_observability_handler()->record_event( |
| 454 |
'prompt_result_fallback_normalization', |
| 455 |
array( |
| 456 |
'prompt_name' => $prompt_name, |
| 457 |
'result_keys' => array_keys( $result ), |
| 458 |
) |
| 459 |
); |
| 460 |
|
| 461 |
$json_content = wp_json_encode( $result, JSON_PRETTY_PRINT ); |
| 462 |
if ( false === $json_content ) { |
| 463 |
$json_content = '{}'; |
| 464 |
} |
| 465 |
|
| 466 |
$message_dto = PromptMessage::fromArray( |
| 467 |
array( |
| 468 |
'role' => self::$default_role, |
| 469 |
'content' => array( |
| 470 |
'type' => 'text', |
| 471 |
'text' => $json_content, |
| 472 |
), |
| 473 |
) |
| 474 |
); |
| 475 |
|
| 476 |
return GetPromptResult::fromArray( |
| 477 |
array( |
| 478 |
'messages' => array( $message_dto ), |
| 479 |
'description' => $prompt->getDescription(), |
| 480 |
) |
| 481 |
); |
| 482 |
} |
| 483 |
|
| 484 |
// ========================================================================= |
| 485 |
// Validation Helpers |
| 486 |
// ========================================================================= |
| 487 |
|
| 488 |
/** |
| 489 |
* Validate message structure and create PromptMessage DTO. |
| 490 |
* |
| 491 |
* Validates role and content type, applying defaults where needed. |
| 492 |
* |
| 493 |
* @since 0.5.0 |
| 494 |
* |
| 495 |
* @param array $message Raw message array. |
| 496 |
* @param string $prompt_name Prompt name for logging. |
| 497 |
* |
| 498 |
* @return \WP\McpSchema\Server\Prompts\DTO\PromptMessage |
| 499 |
*/ |
| 500 |
private function validate_and_create_message( array $message, string $prompt_name ): PromptMessage { |
| 501 |
// Validate and normalize role. |
| 502 |
$role = $this->validate_role( $message['role'] ?? self::$default_role, $prompt_name ); |
| 503 |
|
| 504 |
// Validate and normalize content. |
| 505 |
$content = $message['content'] ?? array(); |
| 506 |
if ( ! is_array( $content ) ) { |
| 507 |
// If content is a string, wrap it as text. |
| 508 |
$content = array( |
| 509 |
'type' => 'text', |
| 510 |
'text' => is_string( $content ) ? $content : (string) $content, |
| 511 |
); |
| 512 |
} |
| 513 |
|
| 514 |
$content = $this->validate_content_type( $content, $prompt_name ); |
| 515 |
|
| 516 |
return PromptMessage::fromArray( |
| 517 |
array( |
| 518 |
'role' => $role, |
| 519 |
'content' => $content, |
| 520 |
) |
| 521 |
); |
| 522 |
} |
| 523 |
|
| 524 |
/** |
| 525 |
* Validate content type against ContentBlockFactory registry. |
| 526 |
* |
| 527 |
* @since 0.5.0 |
| 528 |
* |
| 529 |
* @param array $content Content array with 'type' key. |
| 530 |
* @param string $prompt_name Prompt name for logging. |
| 531 |
* |
| 532 |
* @return array Validated content array (may be modified if invalid type). |
| 533 |
*/ |
| 534 |
private function validate_content_type( array $content, string $prompt_name ): array { |
| 535 |
$type = $content['type'] ?? null; |
| 536 |
|
| 537 |
// Check if type is missing. |
| 538 |
if ( null === $type || '' === $type ) { |
| 539 |
$this->mcp->get_error_handler()->log( |
| 540 |
'Missing content type in prompt result, defaulting to text', |
| 541 |
array( |
| 542 |
'prompt_name' => $prompt_name, |
| 543 |
), |
| 544 |
'warning' |
| 545 |
); |
| 546 |
|
| 547 |
$text = isset( $content['text'] ) ? (string) $content['text'] : wp_json_encode( $content, JSON_PRETTY_PRINT ); |
| 548 |
|
| 549 |
return array( |
| 550 |
'type' => 'text', |
| 551 |
'text' => false === $text ? '{}' : $text, |
| 552 |
); |
| 553 |
} |
| 554 |
|
| 555 |
// Check if type is valid. |
| 556 |
if ( ! in_array( $type, self::$valid_content_types, true ) ) { |
| 557 |
$this->mcp->get_error_handler()->log( |
| 558 |
'Invalid content type in prompt result, converting to text', |
| 559 |
array( |
| 560 |
'prompt_name' => $prompt_name, |
| 561 |
'invalid_type' => $type, |
| 562 |
'valid_types' => self::$valid_content_types, |
| 563 |
), |
| 564 |
'warning' |
| 565 |
); |
| 566 |
|
| 567 |
// Convert the entire content to a text representation. |
| 568 |
$json_content = wp_json_encode( $content, JSON_PRETTY_PRINT ); |
| 569 |
if ( false === $json_content ) { |
| 570 |
$json_content = '{}'; |
| 571 |
} |
| 572 |
|
| 573 |
return array( |
| 574 |
'type' => 'text', |
| 575 |
'text' => $json_content, |
| 576 |
); |
| 577 |
} |
| 578 |
|
| 579 |
// Type is valid, return content as-is (preserves annotations). |
| 580 |
return $content; |
| 581 |
} |
| 582 |
|
| 583 |
/** |
| 584 |
* Validate role value and apply default if invalid. |
| 585 |
* |
| 586 |
* @since 0.5.0 |
| 587 |
* |
| 588 |
* @param string $role Role value to validate. |
| 589 |
* @param string $prompt_name Prompt name for logging (empty to skip logging). |
| 590 |
* |
| 591 |
* @return string Valid role value. |
| 592 |
*/ |
| 593 |
private function validate_role( string $role, string $prompt_name ): string { |
| 594 |
if ( in_array( $role, self::$valid_roles, true ) ) { |
| 595 |
return $role; |
| 596 |
} |
| 597 |
|
| 598 |
if ( '' !== $prompt_name ) { |
| 599 |
$this->mcp->get_error_handler()->log( |
| 600 |
'Invalid role in prompt message, defaulting to user', |
| 601 |
array( |
| 602 |
'prompt_name' => $prompt_name, |
| 603 |
'invalid_role' => $role, |
| 604 |
'valid_roles' => self::$valid_roles, |
| 605 |
), |
| 606 |
'warning' |
| 607 |
); |
| 608 |
} |
| 609 |
|
| 610 |
return self::$default_role; |
| 611 |
} |
| 612 |
} |
| 613 |
|
