2f4c1b2c72
Squash-merge PR #6: PR Vision v0.2.3 — UI-editable encrypted provider API key
QA APPROVED: 2026-06-14-85956da7c86bed2c9e2cf60625fda0cf2e9518bb.md
All 5 CI checks green on head SHA 85956da7c8
106 lines
3.3 KiB
PHP
106 lines
3.3 KiB
PHP
<?php
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/**
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* AJAX handler: Test model slug validity.
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*
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* @package PrVision
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*/
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declare(strict_types=1);
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/**
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* AJAX handler for the "Test" model button.
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*
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* Performs a single cheap probe to verify a model slug resolves at the
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* provider. Rate-limited to one test per slug per 30 seconds via transient.
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* This is a point-in-time check (not a monitor) -- the UI labels it as such.
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* Never displays the API key.
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*
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* Key is resolved via PRV_Key_Store::get_key() (constant → admin option → none).
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*
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* Who triggers: wp_ajax_prv_test_model (registered by PRV_Settings_Page).
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* Dependencies: PRV_Key_Store, PRV_Model_Registry, PRV_Perplexity_Provider,
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* PRV_OpenRouter_Provider.
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*
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* @see class-prv-settings-page.php -- Registers the wp_ajax_ hook.
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* @see class-prv-key-store.php -- Key resolution.
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* @see class-prv-model-registry.php -- Provides model data by id.
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* @package PrVision
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*/
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class PRV_Model_Test_Ajax {
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/**
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* Rate-limit window in seconds.
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*/
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const RATE_LIMIT_SECONDS = 30;
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/**
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* Handle the prv_test_model AJAX request.
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*
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* Verifies capability + nonce, rate-limits, performs one probe, returns JSON.
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*
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* Side effects: HTTP call to LLM provider; sets a short-lived transient; exits.
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*
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* @return void
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*/
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public function handle(): void {
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if ( ! current_user_can( 'manage_options' ) ) {
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wp_send_json_error( array( 'message' => 'Insufficient permissions.' ) );
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}
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$nonce = isset( $_POST['prv_nonce'] ) ? sanitize_text_field( wp_unslash( (string) $_POST['prv_nonce'] ) ) : '';
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if ( ! wp_verify_nonce( $nonce, PRV_Settings_Page::NONCE_TEST ) ) {
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wp_send_json_error( array( 'message' => 'Security check failed.' ) );
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}
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$model_id = isset( $_POST['model_id'] ) ? sanitize_text_field( wp_unslash( (string) $_POST['model_id'] ) ) : '';
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$model = PRV_Model_Registry::find_by_id( $model_id );
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if ( null === $model ) {
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wp_send_json_error( array( 'message' => 'Model not found.' ) );
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}
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$slug = (string) $model['slug'];
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$lock_key = 'prv_test_lock_' . md5( $slug );
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if ( false !== get_transient( $lock_key ) ) {
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wp_send_json_error( array( 'message' => 'Rate limited -- wait 30 s between tests.' ) );
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}
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set_transient( $lock_key, 1, self::RATE_LIMIT_SECONDS );
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// Resolve key through the store — never bypass to a direct constant read.
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$api_key = PRV_Key_Store::get_key();
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if ( '' === $api_key ) {
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wp_send_json_error( array( 'message' => 'API key not configured — set it in wp-config.php or via Settings → Provider API Key.' ) );
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}
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$start = microtime( true );
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$provider = ( 'perplexity/sonar' === $slug )
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? new PRV_Perplexity_Provider()
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: new PRV_OpenRouter_Provider( $slug );
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try {
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if ( $provider instanceof PRV_OpenRouter_Provider ) {
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$provider->probe_with_key( 'what is BPC-157', $api_key );
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} else {
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$provider->probe( 'what is BPC-157' );
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}
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$ms = (int) round( ( microtime( true ) - $start ) * 1000 );
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wp_send_json_success(
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array(
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'resolved' => true,
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'latency_ms' => $ms,
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'slug' => $slug,
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'message' => sprintf( 'Resolved · %d ms', $ms ),
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)
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);
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} catch ( \Exception $e ) {
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wp_send_json_error(
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array(
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'resolved' => false,
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'slug' => $slug,
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'message' => 'Not resolved -- provider returned error (slug retired?)',
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)
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);
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}
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}
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}
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