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<?php |
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/** |
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* Ability: Set / upload a saved cloud template's preview thumbnail image. |
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* |
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* Wraps the save_images cloud endpoint (the manual "Upload image on server" feature, |
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* plugin handler wdkit_update_save_temp_image()). Works for ANY template_id — newly |
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* saved or already-existing — so it also covers updating an existing template's image. |
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*/ |
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|
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declare(strict_types=1); |
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|
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if (!defined('ABSPATH')) { |
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exit(); |
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} |
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|
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wp_register_ability('wdesignkit/save-template-image', [ |
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'label' => __('Set WDesignKit Template Thumbnail', 'wdesignkit'), |
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'description' => __( |
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'Uploads/sets the preview thumbnail image for a saved WDesignKit cloud template (works for both newly-saved and existing templates). Provide the template_id plus the image either as a URL (fetched and uploaded) or inline base64. Wraps the same save_images cloud endpoint the manual "Upload image on server" UI uses. Requires cloud login and a paid plan (the cloud rejects image uploads on free/subscriber accounts).', |
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'wdesignkit', |
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), |
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'category' => 'wdesignkit', |
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'input_schema' => [ |
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'type' => 'object', |
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'properties' => [ |
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'template_id' => [ |
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'type' => 'integer', |
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'description' => 'The saved cloud template ID to set the thumbnail for (from wdesignkit/list-templates or the save-template response). New or existing.', |
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], |
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'image_url' => [ |
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'type' => 'string', |
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'description' => 'URL of the image to use as the thumbnail. Fetched server-side and uploaded. Used only when image_base64 is not provided.', |
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], |
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'image_base64' => [ |
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'type' => 'string', |
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'description' => 'Image supplied inline as base64 (raw base64 or a data:image/...;base64,... URI). Takes precedence over image_url.', |
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], |
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'name' => [ |
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'type' => 'string', |
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'description' => 'Optional image name. Defaults to "template-<template_id>" when omitted (the cloud requires a non-empty name).', |
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], |
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'type' => [ |
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'type' => 'string', |
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'description' => 'Asset type. Use "image" for a thumbnail (default). The cloud applies a different size cap per type and plan.', |
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'enum' => ['image', 'video', 'gif'], |
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], |
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], |
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'required' => ['template_id'], |
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'additionalProperties' => false, |
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], |
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'output_schema' => [ |
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'type' => 'object', |
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'properties' => [ |
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'success' => ['type' => 'boolean'], |
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'message' => ['type' => 'string'], |
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'response' => ['type' => ['object', 'array']], |
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], |
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], |
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'execute_callback' => 'wdesignkit_mcp_save_template_image', |
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'permission_callback' => 'wdesignkit_mcp_permission_callback', |
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'meta' => [ |
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'public' => true, |
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'show_in_rest' => true, |
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'mcp' => ['public' => true], |
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'annotations' => [ |
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'instructions' => implode("\n", [ |
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'Sets a saved template\'s preview thumbnail via the cloud save_images endpoint.', |
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'Requires WDesignKit cloud login AND a paid plan — the cloud rejects image uploads on free/subscriber accounts ("Image Upload Not Allowed").', |
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'The template must belong to the logged-in account (the cloud verifies ownership by template_id + user).', |
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'Provide the image as image_url (fetched + uploaded) or image_base64 (used directly). type defaults to "image".', |
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'Works for both new and existing templates — pass any owned template_id.', |
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]), |
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'readonly' => false, |
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'destructive' => false, |
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'idempotent' => false, |
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], |
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], |
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]); |
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|
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function wdesignkit_mcp_save_template_image(array $input): array { |
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set_time_limit(90); |
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|
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$auth = wdesignkit_mcp_template_get_auth(); |
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if (empty($auth['logged_in'])) { |
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return ['success' => false, 'message' => $auth['message'] ?? 'Not logged in to WDesignKit cloud.']; |
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} |
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|
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$template_id = (int) ($input['template_id'] ?? 0); |
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if ($template_id <= 0) { |
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return ['success' => false, 'message' => 'template_id is required and must be a positive integer.']; |
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} |
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|
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// 'gif' is a distinct type server-side with its own size cap — coercing it to 'image' |
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// would measure it against the (smaller) image limit. |
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$type = sanitize_text_field((string) ($input['type'] ?? 'image')); |
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if (!in_array($type, ['image', 'video', 'gif'], true)) { |
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$type = 'image'; |
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} |
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|
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$name = sanitize_text_field((string) ($input['name'] ?? '')); |
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if ($name === '') { |
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$name = 'template-' . $template_id; |
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} |
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|
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// Resolve the image bytes as base64 "content" — the cloud endpoint requires non-empty content. |
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$image_base64 = (string) ($input['image_base64'] ?? ''); |
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$image_url = sanitize_url((string) ($input['image_url'] ?? '')); |
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$content = ''; |
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|
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if ($image_base64 !== '') { |
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$b64 = $image_base64; |
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if (preg_match('#^data:[^;]+;base64,(.*)$#s', $b64, $m)) { |
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$b64 = $m[1]; |
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} |
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$b64 = preg_replace('/\s+/', '', (string) $b64); |
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if ($b64 === '' || base64_decode($b64, true) === false) { |
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return ['success' => false, 'message' => 'image_base64 is not valid base64.']; |
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} |
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$content = $b64; |
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} elseif ($image_url !== '') { |
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// wdesignkit_safe_remote_get, not wp_safe_remote_get: the URL can come from anywhere |
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// (including a page the model just read), and this fetch runs from inside the site's |
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// network. wp_safe_remote_get() only rejects a *literal* IP host and never resolves a |
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// hostname, so it does not stop a crafted image_url that points a DNS name at |
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// 169.254.169.254 or another internal address. wdesignkit_safe_remote_get() resolves |
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// the host first and blocks loopback/private/link-local (incl. the cloud metadata |
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// range) targets. |
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$img_resp = wdesignkit_safe_remote_get($image_url, ['timeout' => 30]); |
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if (is_wp_error($img_resp)) { |
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return ['success' => false, 'message' => 'Could not fetch image_url: ' . $img_resp->get_error_message()]; |
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} |
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|
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// Without a status check, a 404/403 HTML error page would be base64-encoded and |
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// uploaded as if it were the thumbnail. |
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$img_status = (int) wp_remote_retrieve_response_code($img_resp); |
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if (200 !== $img_status) { |
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return ['success' => false, 'message' => "image_url returned HTTP {$img_status} — expected an image."]; |
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} |
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|
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$body = (string) wp_remote_retrieve_body($img_resp); |
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if ($body === '') { |
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return ['success' => false, 'message' => 'image_url returned an empty response.']; |
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} |
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|
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$img_mime = (string) wp_remote_retrieve_header($img_resp, 'content-type'); |
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if ($img_mime !== '' && 0 !== strpos($img_mime, 'image/') && 0 !== strpos($img_mime, 'video/')) { |
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return ['success' => false, 'message' => "image_url returned '{$img_mime}', not an image or video."]; |
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} |
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|
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$content = base64_encode($body); |
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} else { |
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return ['success' => false, 'message' => 'Provide the image as image_url or image_base64.']; |
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} |
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|
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// Mirrors wdkit_update_save_temp_image(): token, template_id, name, base64 content, type. |
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$args = [ |
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'token' => $auth['token'], |
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'template_id' => $template_id, |
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'name' => $name, |
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'content' => $content, |
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'type' => $type, |
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]; |
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|
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$response = wdesignkit_mcp_template_cloud_call('save_images', $args, 'form'); |
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|
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return [ |
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'success' => !empty($response['success']), |
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'message' => $response['message'] ?? $response['massage'] ?? ($response['success'] ? 'Template image saved.' : 'Failed to save template image.'), |
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'response' => $response, |
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]; |
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} |
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|
