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| 1 | <?php |
| 2 | /* |
| 3 | * Jetpack CRM |
| 4 | * https://jetpackcrm.com |
| 5 | * |
| 6 | * Logic concerned with retrieving packages from our CDN and installing locally |
| 7 | * |
| 8 | */ |
| 9 | namespace Automattic\JetpackCRM; |
| 10 | |
| 11 | // block direct access |
| 12 | defined( 'ZEROBSCRM_PATH' ) || exit( 0 ); |
| 13 | |
| 14 | /* |
| 15 | * Class encapsulating logic concerned with retrieving packages from our CDN and installing locally |
| 16 | */ |
| 17 | class Package_Installer { |
| 18 | |
| 19 | /* |
| 20 | * Stores packages stack |
| 21 | */ |
| 22 | private $packages = array(); |
| 23 | |
| 24 | /** |
| 25 | * Package install directory |
| 26 | * |
| 27 | * @var string |
| 28 | */ |
| 29 | private $package_dir; |
| 30 | |
| 31 | /* |
| 32 | * Init |
| 33 | */ |
| 34 | public function __construct() { // phpcs:ignore Squiz.Commenting.FunctionComment.WrongStyle |
| 35 | |
| 36 | $root_storage_info = jpcrm_storage_dir_info(); |
| 37 | |
| 38 | if ( ! $root_storage_info ) { |
| 39 | throw new Exception( 'Jetpack CRM data folder could not be created!' ); |
| 40 | } |
| 41 | |
| 42 | // set $package_dir |
| 43 | $this->package_dir = $root_storage_info['path'] . '/packages/'; |
| 44 | |
| 45 | // define packages |
| 46 | $this->packages = array( |
| 47 | |
| 48 | 'oauth_dependencies' => array( |
| 49 | |
| 50 | 'title' => __( 'OAuth Connection dependencies', 'zero-bs-crm' ), |
| 51 | 'version' => 1.0, |
| 52 | 'target_dir' => $this->package_dir, |
| 53 | 'install_method' => 'unzip', |
| 54 | 'post_install_call' => '', |
| 55 | |
| 56 | ), |
| 57 | |
| 58 | ); |
| 59 | |
| 60 | // does the working directory exist? If not create |
| 61 | if ( ! file_exists( $this->package_dir ) ) { |
| 62 | |
| 63 | wp_mkdir_p( $this->package_dir ); |
| 64 | |
| 65 | // double check |
| 66 | if ( ! file_exists( $this->package_dir ) ) { |
| 67 | |
| 68 | // we're going to struggle to install packages |
| 69 | // Add admin notification |
| 70 | zeroBSCRM_notifyme_insert_notification( get_current_user_id(), -999, -1, 'package.installer.dir_create_error', __( 'Main Working Directory', 'zero-bs-crm' ) ); |
| 71 | |
| 72 | } else { |
| 73 | jpcrm_create_and_secure_dir_from_external_access( $this->package_dir, true ); |
| 74 | } |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | /* |
| 79 | * Returns a list of packages available via our CDN |
| 80 | */ |
| 81 | public function list_all_available_packages( $with_install_status = false ) { |
| 82 | |
| 83 | // list packages available |
| 84 | // later we could retrieve this via CDN's package_versions.json |
| 85 | $packages = $this->packages; |
| 86 | |
| 87 | // if with install status, cycle through and check those |
| 88 | if ( $with_install_status ) { |
| 89 | |
| 90 | $return = array(); |
| 91 | foreach ( $packages as $package_key => $package_info ) { |
| 92 | |
| 93 | $return[ $package_key ] = $package_info; |
| 94 | $return[ $package_key ]['installed'] = $this->get_package_install_info( $package_key ); |
| 95 | |
| 96 | // check for failed attempts |
| 97 | $return[ $package_key ]['failed_installs'] = $this->get_fail_counter( $package_key ); |
| 98 | |
| 99 | } |
| 100 | |
| 101 | $packages = $return; |
| 102 | |
| 103 | } |
| 104 | |
| 105 | return $packages; |
| 106 | } |
| 107 | |
| 108 | /* |
| 109 | * Returns info array on package |
| 110 | * |
| 111 | * @param string $package_key - a slug for a particular package |
| 112 | * |
| 113 | */ |
| 114 | public function get_package_info( $package_key = '' ) { |
| 115 | |
| 116 | if ( isset( $this->packages[ $package_key ] ) ) { |
| 117 | |
| 118 | $package = $this->packages[ $package_key ]; |
| 119 | |
| 120 | // supplement with local install info |
| 121 | $package['installed'] = $this->get_package_install_info( $package_key ); |
| 122 | |
| 123 | // check for failed attempts |
| 124 | $package['failed_installs'] = $this->get_fail_counter( $package_key ); |
| 125 | |
| 126 | return $package; |
| 127 | |
| 128 | } |
| 129 | |
| 130 | return false; |
| 131 | } |
| 132 | |
| 133 | /* |
| 134 | * Returns installed package info from package's version_info.json file |
| 135 | * |
| 136 | * @param string $package_key - a slug for a particular package |
| 137 | * |
| 138 | */ |
| 139 | public function get_package_install_info( $package_key = '' ) { |
| 140 | |
| 141 | // retrieve version_info.json file and load info |
| 142 | $package_version_info_file = $this->package_dir . $package_key . '/version_info.json'; |
| 143 | |
| 144 | if ( file_exists( $package_version_info_file ) ) { |
| 145 | |
| 146 | /* |
| 147 | Example version_info.json file: |
| 148 | |
| 149 | { |
| 150 | "key": "my_package_key", |
| 151 | "version": "1.0" |
| 152 | } |
| 153 | |
| 154 | */ |
| 155 | $data = file_get_contents( $package_version_info_file ); |
| 156 | return json_decode( $data, true ); |
| 157 | |
| 158 | } |
| 159 | |
| 160 | return false; |
| 161 | } |
| 162 | |
| 163 | /* |
| 164 | * Checks to see if a package is available on CDN |
| 165 | * |
| 166 | * @param string $package_key - a slug for a particular package |
| 167 | * |
| 168 | * @returns bool(ish) |
| 169 | */ |
| 170 | public function package_is_available( $package_key = '' ) { |
| 171 | |
| 172 | return ( $this->get_package_info( $package_key ) ? true : false ); // package doesn't exist on CDN or no connection |
| 173 | } |
| 174 | |
| 175 | /* |
| 176 | * Checks to see if a package is available locally |
| 177 | * |
| 178 | * @param string $package_key - a slug for a particular package |
| 179 | * @param float $min_version - if > 0, installed version is compared and returns true only if min version met |
| 180 | * |
| 181 | */ |
| 182 | public function package_is_installed( $package_key = '', $min_version = 0 ) { |
| 183 | |
| 184 | // retrieve installed version data if available |
| 185 | $installed_info = $this->get_package_install_info( $package_key ); |
| 186 | if ( ! is_array( $installed_info ) ) { |
| 187 | |
| 188 | return false; |
| 189 | |
| 190 | } else { |
| 191 | |
| 192 | // check min version |
| 193 | if ( $min_version > 0 ) { |
| 194 | |
| 195 | $local_version = $installed_info['version']; |
| 196 | if ( version_compare( $local_version, $min_version, '>=' ) ) { |
| 197 | |
| 198 | // meets minimum version |
| 199 | return true; |
| 200 | |
| 201 | } |
| 202 | } else { |
| 203 | |
| 204 | // no min version check, but does seem to be installed |
| 205 | return true; |
| 206 | |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | // +- check extraction endpoint (e.g. are files actually there?) |
| 211 | |
| 212 | return false; // package doesn't exist or isn't installed |
| 213 | } |
| 214 | |
| 215 | /* |
| 216 | * Checks to see if a package is available locally, if it isn't, installs it where possible |
| 217 | * |
| 218 | * @param string $package_key - a slug for a particular package |
| 219 | * @param float $min_version - if > 0, installed version is compared and returns true only if min version met |
| 220 | * |
| 221 | */ |
| 222 | public function ensure_package_is_installed( $package_key = '', $min_version = 0 ) { |
| 223 | |
| 224 | if ( ! $this->package_is_installed( $package_key, $min_version ) ) { |
| 225 | |
| 226 | // not installed, try to install/update(reinstall) it |
| 227 | return $this->retrieve_and_install_package( $package_key, true ); |
| 228 | |
| 229 | } |
| 230 | |
| 231 | // include composer autoload if it exists |
| 232 | $potential_composer_autoload_path = $this->package_dir . '/' . $package_key . '/vendor/autoload.php'; |
| 233 | if ( file_exists( $potential_composer_autoload_path ) ) { |
| 234 | require_once $potential_composer_autoload_path; |
| 235 | } |
| 236 | |
| 237 | return true; |
| 238 | } |
| 239 | |
| 240 | /* |
| 241 | * Retrieves a package zip from our CDN and installs it locally |
| 242 | */ |
| 243 | public function retrieve_and_install_package( $package_key = '', $force_reinstall = false ) { |
| 244 | |
| 245 | global $zbs; |
| 246 | |
| 247 | // package exists? |
| 248 | if ( ! $this->package_is_available( $package_key ) ) { |
| 249 | |
| 250 | return false; |
| 251 | |
| 252 | } |
| 253 | |
| 254 | // package already installed? |
| 255 | if ( $this->package_is_installed( $package_key ) && ! $force_reinstall ) { |
| 256 | |
| 257 | return true; |
| 258 | |
| 259 | } |
| 260 | |
| 261 | // failed already 3 times? |
| 262 | if ( $this->get_fail_counter( $package_key ) >= 3 ) { |
| 263 | |
| 264 | // Add error msg |
| 265 | zeroBSCRM_notifyme_insert_notification( get_current_user_id(), -999, -1, 'package.installer.fail_count_over', $package_key ); |
| 266 | |
| 267 | return false; |
| 268 | } |
| 269 | |
| 270 | // here we set a failsafe which sets an option value such that if this install does not complete |
| 271 | // ... we'll know the package install failed (e.g. page timeout shorter than download/unzip time) |
| 272 | // ... that way we can avoid retrying 50000 times. |
| 273 | $this->increment_fail_counter( $package_key ); |
| 274 | |
| 275 | // Retrieve & install the package |
| 276 | $package_info = $this->get_package_info( $package_key ); |
| 277 | $installed = false; |
| 278 | |
| 279 | // Directories |
| 280 | $working_dir = $this->package_dir; |
| 281 | if ( ! file_exists( $working_dir ) ) { |
| 282 | wp_mkdir_p( $working_dir ); |
| 283 | jpcrm_create_and_secure_dir_from_external_access( $working_dir, true ); |
| 284 | } |
| 285 | $target_dir = $package_info['target_dir']; |
| 286 | if ( ! file_exists( $target_dir ) ) { |
| 287 | wp_mkdir_p( $target_dir ); |
| 288 | jpcrm_create_and_secure_dir_from_external_access( $target_dir, true ); |
| 289 | } |
| 290 | |
| 291 | // did that work? |
| 292 | if ( ! file_exists( $target_dir ) || ! file_exists( $working_dir ) ) { |
| 293 | |
| 294 | // error creating directories |
| 295 | // Add admin notification |
| 296 | zeroBSCRM_notifyme_insert_notification( get_current_user_id(), -999, -1, 'package.installer.dir_create_error', $package_info['title'] . ' (' . $package_key . ')' ); |
| 297 | |
| 298 | // return error |
| 299 | return false; |
| 300 | |
| 301 | } |
| 302 | |
| 303 | // Filenames |
| 304 | $source_file_name = $package_key . '.zip'; |
| 305 | |
| 306 | // Attempt to download and install |
| 307 | if ( file_exists( $target_dir ) && file_exists( $working_dir ) ) { |
| 308 | |
| 309 | // if force reinstall, clear out previous directory contents |
| 310 | if ( $this->package_is_installed( $package_key ) && $force_reinstall ) { |
| 311 | |
| 312 | // empty it out! |
| 313 | jpcrm_delete_files_from_directory( $target_dir ); |
| 314 | |
| 315 | } |
| 316 | |
| 317 | // Retrieve package |
| 318 | $libs = zeroBSCRM_retrieveFile( $zbs->urls['extdlpackages'] . $source_file_name, $working_dir . $source_file_name, array( 'timeout' => 30 ) ); |
| 319 | |
| 320 | // Process package |
| 321 | if ( file_exists( $working_dir . $source_file_name ) ) { |
| 322 | |
| 323 | switch ( $package_info['install_method'] ) { |
| 324 | |
| 325 | // expand a zipped package |
| 326 | case 'unzip': |
| 327 | // Expand |
| 328 | $expanded = zeroBSCRM_expandArchive( $working_dir . $source_file_name, $target_dir ); |
| 329 | |
| 330 | if ( $expanded ) { |
| 331 | |
| 332 | // Check success? |
| 333 | if ( ! zeroBSCRM_is_dir_empty( $target_dir ) ) { |
| 334 | |
| 335 | // appears to have worked, tidy up: |
| 336 | if ( file_exists( $working_dir . $source_file_name ) ) { |
| 337 | unlink( $working_dir . $source_file_name ); |
| 338 | } |
| 339 | |
| 340 | $installed = true; |
| 341 | |
| 342 | } else { |
| 343 | |
| 344 | // Add admin notification |
| 345 | zeroBSCRM_notifyme_insert_notification( get_current_user_id(), -999, -1, 'package.installer.unzip_error', $package_info['title'] . ' (' . $package_key . ')' ); |
| 346 | |
| 347 | return false; |
| 348 | |
| 349 | } |
| 350 | } else { |
| 351 | |
| 352 | // failed to open the .zip, remove it |
| 353 | if ( file_exists( $working_dir . $source_file_name ) ) { |
| 354 | unlink( $working_dir . $source_file_name ); |
| 355 | } |
| 356 | |
| 357 | // Add admin notification |
| 358 | zeroBSCRM_notifyme_insert_notification( get_current_user_id(), -999, -1, 'package.installer.unzip_error', $package_info['title'] . ' (' . $package_key . ')' ); |
| 359 | |
| 360 | return false; |
| 361 | |
| 362 | } |
| 363 | |
| 364 | break; |
| 365 | |
| 366 | // 1 file package installs, copy to target location |
| 367 | default: |
| 368 | // TBD, add when we need this. |
| 369 | |
| 370 | break; |
| 371 | |
| 372 | } |
| 373 | |
| 374 | // if successfully installed, do any follow-on tasks |
| 375 | if ( $installed ) { |
| 376 | |
| 377 | // Success. Reset fail counter |
| 378 | $this->clear_fail_counter( $package_key ); |
| 379 | |
| 380 | // if the $package_info has ['post_install_call'] set, call that |
| 381 | if ( isset( $package_info['post_install_call'] ) && function_exists( $package_info['post_install_call'] ) ) { |
| 382 | |
| 383 | call_user_func( $package_info['post_install_call'], $package_info ); |
| 384 | |
| 385 | } |
| 386 | |
| 387 | return true; |
| 388 | |
| 389 | } |
| 390 | } else { |
| 391 | |
| 392 | // Add error msg |
| 393 | zeroBSCRM_notifyme_insert_notification( get_current_user_id(), -999, -1, 'package.installer.dl_error', $package_info['title'] . ' (' . $package_key . ')' ); |
| 394 | |
| 395 | } |
| 396 | } else { |
| 397 | |
| 398 | // Add error msg |
| 399 | zeroBSCRM_notifyme_insert_notification( get_current_user_id(), -999, -1, 'package.installer.dir_create_error', $package_info['title'] . ' (' . $package_key . ')' ); |
| 400 | |
| 401 | } |
| 402 | |
| 403 | return false; |
| 404 | } |
| 405 | |
| 406 | /* |
| 407 | * Gets a package fail counter option value |
| 408 | */ |
| 409 | private function get_fail_counter( $package_key = '' ) { |
| 410 | |
| 411 | return (int) get_option( 'jpcrm_package_fail_' . $package_key, 0 ); |
| 412 | } |
| 413 | |
| 414 | /* |
| 415 | * Adds a tick to a package fail counter option ( to track failed installs ) |
| 416 | */ |
| 417 | private function increment_fail_counter( $package_key = '' ) { |
| 418 | |
| 419 | // here we set a failsafe which sets an option value such that if this install does not complete |
| 420 | // ... we'll know the package install failed (e.g. page timeout shorter than download/unzip time) |
| 421 | // ... that way we can avoid retrying 50000 times. |
| 422 | $existing_fails = $this->get_fail_counter( $package_key ); |
| 423 | update_option( 'jpcrm_package_fail_' . $package_key, $existing_fails + 1, false ); |
| 424 | } |
| 425 | |
| 426 | /* |
| 427 | * Resets fail counter for a package |
| 428 | */ |
| 429 | private function clear_fail_counter( $package_key = '' ) { |
| 430 | |
| 431 | // simple. |
| 432 | delete_option( 'jpcrm_package_fail_' . $package_key ); |
| 433 | } |
| 434 | } |