assistants.php
3 years ago
chatbot.php
2 years ago
chatbot_legacy.php
2 years ago
discussions.php
2 years ago
files.php
2 years ago
security.php
3 years ago
files.php
256 lines
| 1 | <?php |
| 2 | |
| 3 | class Meow_MWAI_Modules_Files { |
| 4 | private $core = null; |
| 5 | private $wpdb = null; |
| 6 | private $namespace = 'mwai-ui/v1'; |
| 7 | private $db_check = false; |
| 8 | private $table_files = null; |
| 9 | |
| 10 | public function __construct( $core ) { |
| 11 | global $wpdb; |
| 12 | $this->core = $core; |
| 13 | $this->wpdb = $wpdb; |
| 14 | $this->table_files = $this->wpdb->prefix . 'mwai_files'; |
| 15 | add_action( 'rest_api_init', [ $this, 'rest_api_init' ] ); |
| 16 | if ( !wp_next_scheduled( 'mwai_files_cleanup' ) ) { |
| 17 | wp_schedule_event( time(), 'hourly', 'mwai_files_cleanup' ); |
| 18 | } |
| 19 | add_action( 'mwai_files_cleanup', [ $this, 'cleanup_expired_files' ] ); |
| 20 | } |
| 21 | |
| 22 | public function cleanup_expired_files() { |
| 23 | if ( $this->check_db() ) { |
| 24 | $current_time = current_time( 'mysql' ); |
| 25 | $expired_files = $this->wpdb->get_results( |
| 26 | "SELECT * FROM $this->table_files WHERE expires IS NOT NULL AND expires < '{$current_time}'" |
| 27 | ); |
| 28 | } |
| 29 | $expired_posts = get_posts( [ |
| 30 | 'post_type' => 'attachment', |
| 31 | 'meta_key' => '_mwai_file_expires', |
| 32 | 'meta_value' => $current_time, |
| 33 | 'meta_compare' => '<' |
| 34 | ] ); |
| 35 | $fileIds = []; |
| 36 | foreach ( $expired_files as $file ) { |
| 37 | $fileIds[] = $file->fileId; |
| 38 | } |
| 39 | foreach ( $expired_posts as $post ) { |
| 40 | $fileIds[] = get_post_meta( $post->ID, '_mwai_file_id', true ); |
| 41 | } |
| 42 | $this->files_processed( $fileIds ); |
| 43 | } |
| 44 | |
| 45 | public function files_processed( $fileIds ) { |
| 46 | if ( !is_array( $fileIds ) ) { |
| 47 | $fileIds = [ $fileIds ]; |
| 48 | } |
| 49 | foreach ( $fileIds as $fileId ) { |
| 50 | $file = null; |
| 51 | if ( $this->check_db() ) { |
| 52 | $file = $this->wpdb->get_row( $this->wpdb->prepare( "SELECT * |
| 53 | FROM $this->table_files |
| 54 | WHERE fileId = %s", $fileId |
| 55 | ) ); |
| 56 | } |
| 57 | if ( $file ) { |
| 58 | $this->wpdb->delete( $this->table_files, [ 'fileId' => $fileId ] ); |
| 59 | if ( file_exists( $file->path ) ) { |
| 60 | unlink( $file->path ); |
| 61 | } |
| 62 | } |
| 63 | else { |
| 64 | $posts = get_posts( [ 'post_type' => 'attachment', 'meta_key' => '_mwai_file_id', 'meta_value' => $fileId ] ); |
| 65 | if ( $posts ) { |
| 66 | foreach ( $posts as $post ) { |
| 67 | wp_delete_attachment( $post->ID, true ); |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | public function get_path( $fileId ) { |
| 75 | $file = null; |
| 76 | if ( $this->check_db() ) { |
| 77 | $file = $this->wpdb->get_row( $this->wpdb->prepare( "SELECT * |
| 78 | FROM $this->table_files |
| 79 | WHERE fileId = %s", $fileId |
| 80 | ) ); |
| 81 | } |
| 82 | if ( $file ) { |
| 83 | return $file->path; |
| 84 | } |
| 85 | else { |
| 86 | $posts = get_posts( [ 'post_type' => 'attachment', 'meta_key' => '_mwai_file_id', 'meta_value' => $fileId ] ); |
| 87 | if ( $posts ) { |
| 88 | foreach ( $posts as $post ) { |
| 89 | return get_attached_file( $post->ID ); |
| 90 | } |
| 91 | } |
| 92 | } |
| 93 | return null; |
| 94 | } |
| 95 | |
| 96 | public function get_base64_data( $fileId ) { |
| 97 | $path = $this->get_path( $fileId ); |
| 98 | if ( $path ) { |
| 99 | $content = file_get_contents( $path ); |
| 100 | $data = base64_encode( $content ); |
| 101 | return $data; |
| 102 | } |
| 103 | return null; |
| 104 | } |
| 105 | |
| 106 | public function get_url( $fileId ) { |
| 107 | $file = null; |
| 108 | if ( $this->check_db() ) { |
| 109 | $file = $this->wpdb->get_row( $this->wpdb->prepare( "SELECT * |
| 110 | FROM $this->table_files |
| 111 | WHERE fileId = %s", $fileId |
| 112 | ) ); |
| 113 | } |
| 114 | if ( $file ) { |
| 115 | return $file->url; |
| 116 | } |
| 117 | else { |
| 118 | $posts = get_posts( [ 'post_type' => 'attachment', 'meta_key' => '_mwai_file_id', 'meta_value' => $fileId ] ); |
| 119 | if ( $posts ) { |
| 120 | foreach ( $posts as $post ) { |
| 121 | return wp_get_attachment_url( $post->ID ); |
| 122 | } |
| 123 | } |
| 124 | } |
| 125 | return null; |
| 126 | } |
| 127 | |
| 128 | #region REST endpoints |
| 129 | |
| 130 | public function check_permission( $request ) { |
| 131 | $nonce = $request->get_header( 'X-WP-Nonce' ); |
| 132 | if ( !wp_verify_nonce( $nonce, 'wp_rest' ) ) { |
| 133 | return new WP_REST_Response( [ 'success' => false, 'message' => 'Invalid nonce.' ], 403 ); |
| 134 | } |
| 135 | return true; |
| 136 | } |
| 137 | |
| 138 | public function rest_api_init() { |
| 139 | register_rest_route( $this->namespace, '/files/upload', array( |
| 140 | 'methods' => 'POST', |
| 141 | 'callback' => array( $this, 'rest_upload' ), |
| 142 | 'permission_callback' => array( $this, 'check_permission' ) |
| 143 | ) ); |
| 144 | register_rest_route( $this->namespace, '/files/delete', array( |
| 145 | 'methods' => 'POST', |
| 146 | 'callback' => array( $this, 'rest_delete' ), |
| 147 | 'permission_callback' => array( $this, 'check_permission' ) |
| 148 | ) ); |
| 149 | } |
| 150 | |
| 151 | public function rest_upload() { |
| 152 | require_once( ABSPATH . 'wp-admin/includes/image.php' ); |
| 153 | require_once( ABSPATH . 'wp-admin/includes/file.php' ); |
| 154 | require_once( ABSPATH . 'wp-admin/includes/media.php' ); |
| 155 | $file = $_FILES['file']; |
| 156 | $error = null; |
| 157 | if ( empty( $file ) ) { |
| 158 | return new WP_REST_Response( [ 'success' => false, 'message' => 'No file provided.' ], 400 ); |
| 159 | } |
| 160 | |
| 161 | // File validation by WordPress Media Library |
| 162 | $fileTypeCheck = wp_check_filetype_and_ext( $file['tmp_name'], $file['name'] ); |
| 163 | if ( !$fileTypeCheck['type'] ) { |
| 164 | return new WP_REST_Response( [ 'success' => false, 'message' => 'Invalid file type.' ], 400 ); |
| 165 | } |
| 166 | |
| 167 | $local_upload = $this->core->get_option( 'image_local_upload' ); |
| 168 | $image_expires_seconds = $this->core->get_option( 'image_expires' ); |
| 169 | $expires = ( empty( $image_expires_seconds ) || $image_expires_seconds === 'never' ) ? null : |
| 170 | date( 'Y-m-d H:i:s', time() + $image_expires_seconds ); |
| 171 | $fileId = null; |
| 172 | $url = null; |
| 173 | if ( $local_upload === 'uploads' ) { |
| 174 | if ( !$this->check_db() ) { |
| 175 | return new WP_REST_Response( [ 'success' => false, 'message' => 'Could not create database table.' ], 500 ); |
| 176 | } |
| 177 | $extension = pathinfo( $file['name'], PATHINFO_EXTENSION ); |
| 178 | $randomFileName = wp_generate_password( 20, false ) . '.' . $extension; |
| 179 | $upload_dir = wp_upload_dir(); |
| 180 | $path = $upload_dir['path'] . '/' . $randomFileName; |
| 181 | $filename = wp_unique_filename( $upload_dir['path'], $randomFileName ); |
| 182 | $path = $upload_dir['path'] . '/' . $filename; |
| 183 | if ( !move_uploaded_file( $file['tmp_name'], $path ) ) { |
| 184 | return new WP_REST_Response( [ 'success' => false, 'message' => 'Could not move the file.' ], 500 ); |
| 185 | } |
| 186 | $url = $upload_dir['url'] . '/' . $filename; |
| 187 | $fileId = md5( $url ); |
| 188 | $this->wpdb->insert( $this->table_files, [ |
| 189 | 'fileId' => $fileId, |
| 190 | 'type' => 'image', |
| 191 | 'status' => 'uploaded', |
| 192 | 'created' => date( 'Y-m-d H:i:s' ), |
| 193 | 'updated' => date( 'Y-m-d H:i:s' ), |
| 194 | 'expires' => $expires, |
| 195 | 'path' => $path, |
| 196 | 'url' => $url |
| 197 | ]); |
| 198 | } |
| 199 | else if ( $local_upload === 'library' ) { |
| 200 | $id = media_handle_upload( 'file', 0 ); |
| 201 | if ( is_wp_error( $id ) ) { |
| 202 | $error = $id->get_error_message(); |
| 203 | return new WP_REST_Response([ 'success' => false, 'message' => $error ], 500); |
| 204 | } |
| 205 | $url = wp_get_attachment_url( $id ); |
| 206 | $fileId = md5( $url ); |
| 207 | update_post_meta( $id, '_mwai_file_id', $fileId ); |
| 208 | update_post_meta( $id, '_mwai_file_expires', $expires ); |
| 209 | } |
| 210 | return new WP_REST_Response( [ |
| 211 | 'success' => true, |
| 212 | 'data' => [ 'id' => $fileId, 'url' => $url ] |
| 213 | ], 200 ); |
| 214 | } |
| 215 | |
| 216 | #endregion |
| 217 | |
| 218 | #region Database functions |
| 219 | |
| 220 | function create_db() { |
| 221 | $charset_collate = $this->wpdb->get_charset_collate(); |
| 222 | $sql = "CREATE TABLE $this->table_files ( |
| 223 | id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT, |
| 224 | fileId VARCHAR(64) NOT NULL, |
| 225 | type VARCHAR(32) NULL, |
| 226 | status VARCHAR(32) NULL, |
| 227 | created DATETIME NOT NULL, |
| 228 | updated DATETIME NOT NULL, |
| 229 | expires DATETIME NULL, |
| 230 | path TEXT NOT NULL, |
| 231 | url TEXT NULL, |
| 232 | metadata TEXT NULL, |
| 233 | PRIMARY KEY (id), |
| 234 | UNIQUE KEY unique_file_id (fileId) |
| 235 | ) $charset_collate;"; |
| 236 | require_once( ABSPATH . 'wp-admin/includes/upgrade.php' ); |
| 237 | dbDelta( $sql ); |
| 238 | } |
| 239 | |
| 240 | function check_db() { |
| 241 | if ( $this->db_check ) { |
| 242 | return true; |
| 243 | } |
| 244 | $sql = $this->wpdb->prepare( "SHOW TABLES LIKE %s", $this->table_files ); |
| 245 | $table_exists = strtolower( $this->wpdb->get_var( $sql )) === strtolower( $this->table_files ); |
| 246 | if ( !$table_exists ) { |
| 247 | $this->create_db(); |
| 248 | $table_exists = strtolower( $this->wpdb->get_var( $sql ) ) === strtolower( $this->table_files ); |
| 249 | } |
| 250 | $this->db_check = $table_exists; |
| 251 | return $this->db_check; |
| 252 | } |
| 253 | |
| 254 | #endregion |
| 255 | |
| 256 | } |