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SettingsPiwik.php
521 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Matomo - free/libre analytics platform |
| 4 | * |
| 5 | * @link https://matomo.org |
| 6 | * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later |
| 7 | * |
| 8 | */ |
| 9 | namespace Piwik; |
| 10 | |
| 11 | use Exception; |
| 12 | use Piwik\Cache as PiwikCache; |
| 13 | use Piwik\Config\GeneralConfig; |
| 14 | use Piwik\Container\StaticContainer; |
| 15 | |
| 16 | /** |
| 17 | * Contains helper methods that can be used to get common Piwik settings. |
| 18 | * |
| 19 | */ |
| 20 | class SettingsPiwik |
| 21 | { |
| 22 | public const OPTION_PIWIK_URL = 'piwikUrl'; |
| 23 | |
| 24 | /** |
| 25 | * Get salt from [General] section. Should ONLY be used as a seed to create hashes |
| 26 | * |
| 27 | * NOTE: Keep this salt secret! Never output anywhere or share it etc. |
| 28 | * |
| 29 | * @return string|null |
| 30 | */ |
| 31 | public static function getSalt(): ?string |
| 32 | { |
| 33 | static $salt = null; |
| 34 | if (is_null($salt)) { |
| 35 | $salt = Config::getInstance()->General['salt'] ?? ''; |
| 36 | } |
| 37 | return $salt; |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * Should Piwik check that the login & password have minimum length and valid characters? |
| 42 | * |
| 43 | * @return bool True if checks enabled; false otherwise |
| 44 | */ |
| 45 | public static function isUserCredentialsSanityCheckEnabled(): bool |
| 46 | { |
| 47 | return Config::getInstance()->General['disable_checks_usernames_attributes'] == 0; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Should Piwik show the update notification to superusers only? |
| 52 | * |
| 53 | * @return bool True if show to superusers only; false otherwise |
| 54 | */ |
| 55 | public static function isShowUpdateNotificationToSuperUsersOnlyEnabled(): bool |
| 56 | { |
| 57 | return Config::getInstance()->General['show_update_notification_to_superusers_only'] == 1; |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * Returns every stored segment to pre-process for each site during cron archiving. |
| 62 | * |
| 63 | * @return array The list of stored segments that apply to all sites. |
| 64 | */ |
| 65 | public static function getKnownSegmentsToArchive(): array |
| 66 | { |
| 67 | $cacheId = 'KnownSegmentsToArchive'; |
| 68 | $cache = PiwikCache::getTransientCache(); |
| 69 | if ($cache->contains($cacheId)) { |
| 70 | return $cache->fetch($cacheId); |
| 71 | } |
| 72 | |
| 73 | $segments = Config::getInstance()->Segments; |
| 74 | $segmentsToProcess = isset($segments['Segments']) ? $segments['Segments'] : array(); |
| 75 | |
| 76 | /** |
| 77 | * Triggered during the cron archiving process to collect segments that |
| 78 | * should be pre-processed for all websites. The archiving process will be launched |
| 79 | * for each of these segments when archiving data. |
| 80 | * |
| 81 | * This event can be used to add segments to be pre-processed. If your plugin depends |
| 82 | * on data from a specific segment, this event could be used to provide enhanced |
| 83 | * performance. |
| 84 | * |
| 85 | * _Note: If you just want to add a segment that is managed by the user, use the |
| 86 | * SegmentEditor API._ |
| 87 | * |
| 88 | * **Example** |
| 89 | * |
| 90 | * Piwik::addAction('Segments.getKnownSegmentsToArchiveAllSites', function (&$segments) { |
| 91 | * $segments[] = 'country=jp;city=Tokyo'; |
| 92 | * }); |
| 93 | * |
| 94 | * @param array &$segmentsToProcess List of segment definitions, eg, |
| 95 | * |
| 96 | * array( |
| 97 | * 'browserCode=ff;resolution=800x600', |
| 98 | * 'country=jp;city=Tokyo' |
| 99 | * ) |
| 100 | * |
| 101 | * Add segments to this array in your event handler. |
| 102 | */ |
| 103 | Piwik::postEvent('Segments.getKnownSegmentsToArchiveAllSites', array(&$segmentsToProcess)); |
| 104 | |
| 105 | $segmentsToProcess = array_unique($segmentsToProcess); |
| 106 | |
| 107 | $cache->save($cacheId, $segmentsToProcess); |
| 108 | return $segmentsToProcess; |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * Returns the list of stored segments to pre-process for an individual site when executing |
| 113 | * cron archiving. |
| 114 | * |
| 115 | * @param int $idSite The ID of the site to get stored segments for. |
| 116 | * @return string[] The list of stored segments that apply to the requested site. |
| 117 | */ |
| 118 | public static function getKnownSegmentsToArchiveForSite($idSite): array |
| 119 | { |
| 120 | $cacheId = 'KnownSegmentsToArchiveForSite' . $idSite; |
| 121 | $cache = PiwikCache::getTransientCache(); |
| 122 | if ($cache->contains($cacheId)) { |
| 123 | return $cache->fetch($cacheId); |
| 124 | } |
| 125 | |
| 126 | $segments = array(); |
| 127 | /** |
| 128 | * Triggered during the cron archiving process to collect segments that |
| 129 | * should be pre-processed for one specific site. The archiving process will be launched |
| 130 | * for each of these segments when archiving data for that one site. |
| 131 | * |
| 132 | * This event can be used to add segments to be pre-processed for one site. |
| 133 | * |
| 134 | * _Note: If you just want to add a segment that is managed by the user, you should use the |
| 135 | * SegmentEditor API._ |
| 136 | * |
| 137 | * **Example** |
| 138 | * |
| 139 | * Piwik::addAction('Segments.getKnownSegmentsToArchiveForSite', function (&$segments, $idSite) { |
| 140 | * $segments[] = 'country=jp;city=Tokyo'; |
| 141 | * }); |
| 142 | * |
| 143 | * @param array &$segmentsToProcess List of segment definitions, eg, |
| 144 | * |
| 145 | * array( |
| 146 | * 'browserCode=ff;resolution=800x600', |
| 147 | * 'country=JP;city=Tokyo' |
| 148 | * ) |
| 149 | * |
| 150 | * Add segments to this array in your event handler. |
| 151 | * @param int $idSite The ID of the site to get segments for. |
| 152 | */ |
| 153 | Piwik::postEvent('Segments.getKnownSegmentsToArchiveForSite', array(&$segments, $idSite)); |
| 154 | |
| 155 | $segments = array_unique($segments); |
| 156 | |
| 157 | $cache->save($cacheId, $segments); |
| 158 | |
| 159 | return $segments; |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Number of websites to show in the Website selector |
| 164 | * |
| 165 | * @return int |
| 166 | */ |
| 167 | public static function getWebsitesCountToDisplay(): int |
| 168 | { |
| 169 | $count = max(Config::getInstance()->General['site_selector_max_sites'], |
| 170 | Config::getInstance()->General['autocomplete_min_sites']); |
| 171 | return (int)$count; |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * Returns the URL to this Piwik instance, eg. **http://demo.piwik.org/** or **http://example.org/piwik/**. |
| 176 | * |
| 177 | * @return string|false return false if no value is configured and we are in PHP CLI mode |
| 178 | * @api |
| 179 | */ |
| 180 | public static function getPiwikUrl() |
| 181 | { |
| 182 | $url = Option::get(self::OPTION_PIWIK_URL); |
| 183 | |
| 184 | $isPiwikCoreDispatching = defined('PIWIK_ENABLE_DISPATCH') && PIWIK_ENABLE_DISPATCH; |
| 185 | if (Common::isPhpCliMode() |
| 186 | // in case core:archive command is triggered (often with localhost domain) |
| 187 | || SettingsServer::isArchivePhpTriggered() |
| 188 | // When someone else than core is dispatching this request then we return the URL as it is read only |
| 189 | || !$isPiwikCoreDispatching |
| 190 | ) { |
| 191 | return $url; |
| 192 | } |
| 193 | |
| 194 | $currentUrl = Common::sanitizeInputValue(Url::getCurrentUrlWithoutFileName()); |
| 195 | |
| 196 | // when script is called from /misc/cron/archive.php, Piwik URL is /index.php |
| 197 | $currentUrl = str_replace("/misc/cron", "", $currentUrl); |
| 198 | |
| 199 | if (empty($url) |
| 200 | // if URL changes, always update the cache |
| 201 | || $currentUrl !== $url |
| 202 | ) { |
| 203 | $host = Url::getHostFromUrl($currentUrl); |
| 204 | |
| 205 | if (strlen($currentUrl) >= strlen('http://a/') |
| 206 | && Url::isValidHost($host) |
| 207 | && !Url::isLocalHost($host)) { |
| 208 | self::overwritePiwikUrl($currentUrl); |
| 209 | } |
| 210 | $url = $currentUrl; |
| 211 | } |
| 212 | |
| 213 | if (ProxyHttp::isHttps()) { |
| 214 | $url = str_replace("http://", "https://", $url); |
| 215 | } |
| 216 | return $url; |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * @return bool |
| 221 | */ |
| 222 | public static function isMatomoInstalled(): bool |
| 223 | { |
| 224 | $config = Config::getInstance()->getLocalPath(); |
| 225 | $exists = file_exists($config); |
| 226 | |
| 227 | // Piwik is not installed if the config file is not found |
| 228 | if (!$exists) { |
| 229 | return false; |
| 230 | } |
| 231 | |
| 232 | $general = Config::getInstance()->General; |
| 233 | |
| 234 | $isInstallationInProgress = false; |
| 235 | if (array_key_exists('installation_in_progress', $general)) { |
| 236 | $isInstallationInProgress = (bool) $general['installation_in_progress']; |
| 237 | } |
| 238 | if ($isInstallationInProgress) { |
| 239 | return false; |
| 240 | } |
| 241 | |
| 242 | // Check that the database section is really set, ie. file is not empty |
| 243 | if (empty(Config::getInstance()->database['username'])) { |
| 244 | return false; |
| 245 | } |
| 246 | return true; |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * Check if outgoing internet connections are enabled |
| 251 | * This is often disable in an intranet environment |
| 252 | * |
| 253 | * @return bool |
| 254 | */ |
| 255 | public static function isInternetEnabled(): bool |
| 256 | { |
| 257 | return (bool) Config::getInstance()->General['enable_internet_features']; |
| 258 | } |
| 259 | |
| 260 | /** |
| 261 | * Detect whether user has enabled auto updates. Please note this config is a bit misleading. It is currently |
| 262 | * actually used for 2 things: To disable making any connections back to Piwik, and to actually disable the auto |
| 263 | * update of core and plugins. |
| 264 | * @return bool |
| 265 | */ |
| 266 | public static function isAutoUpdateEnabled(): bool |
| 267 | { |
| 268 | $enableAutoUpdate = (bool) Config::getInstance()->General['enable_auto_update']; |
| 269 | if(self::isInternetEnabled() === true && $enableAutoUpdate === true){ |
| 270 | return true; |
| 271 | } |
| 272 | |
| 273 | return false; |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * Detects whether an auto update can be made. An update is possible if the user is not on multiple servers and if |
| 278 | * automatic updates are actually enabled. If a user is running Piwik on multiple servers an update is not possible |
| 279 | * as it would be installed only on one server instead of all of them. Also if a user has disabled automatic updates |
| 280 | * we cannot perform any automatic updates. |
| 281 | * |
| 282 | * @return bool |
| 283 | */ |
| 284 | public static function isAutoUpdatePossible(): bool |
| 285 | { |
| 286 | return !self::isMultiServerEnvironment() && self::isAutoUpdateEnabled(); |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * Returns `true` if Piwik is running on more than one server. For example in a load balanced environment. In this |
| 291 | * case we should not make changes to the config and not install a plugin via the UI as it would be only executed |
| 292 | * on one server. |
| 293 | * @return bool |
| 294 | */ |
| 295 | public static function isMultiServerEnvironment(): bool |
| 296 | { |
| 297 | $is = Config::getInstance()->General['multi_server_environment']; |
| 298 | |
| 299 | return !empty($is); |
| 300 | } |
| 301 | |
| 302 | /** |
| 303 | * Returns `true` if segmentation is allowed for this user, `false` if otherwise. |
| 304 | * |
| 305 | * @return bool |
| 306 | * @api |
| 307 | */ |
| 308 | public static function isSegmentationEnabled(): bool |
| 309 | { |
| 310 | return !Piwik::isUserIsAnonymous() |
| 311 | || Config::getInstance()->General['anonymous_user_enable_use_segments_API']; |
| 312 | } |
| 313 | |
| 314 | /** |
| 315 | * Returns true if unique visitors should be processed for the given period type. |
| 316 | * |
| 317 | * Unique visitor processing is controlled by the `[General] enable_processing_unique_visitors_...` |
| 318 | * INI config options. By default, unique visitors are processed only for day/week/month periods. |
| 319 | * |
| 320 | * @param string $periodLabel `"day"`, `"week"`, `"month"`, `"year"` or `"range"` |
| 321 | * @return bool |
| 322 | * @api |
| 323 | */ |
| 324 | public static function isUniqueVisitorsEnabled(string $periodLabel): bool |
| 325 | { |
| 326 | $generalSettings = Config::getInstance()->General; |
| 327 | |
| 328 | $settingName = "enable_processing_unique_visitors_$periodLabel"; |
| 329 | $result = !empty($generalSettings[$settingName]) && $generalSettings[$settingName] == 1; |
| 330 | |
| 331 | // check enable_processing_unique_visitors_year_and_range for backwards compatibility |
| 332 | if (($periodLabel === 'year' || $periodLabel === 'range') |
| 333 | && isset($generalSettings['enable_processing_unique_visitors_year_and_range']) |
| 334 | ) { |
| 335 | $result |= $generalSettings['enable_processing_unique_visitors_year_and_range'] == 1; |
| 336 | } |
| 337 | |
| 338 | return $result; |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * If Piwik uses per-domain config file, make sure CustomLogo is unique |
| 343 | * @param string $path |
| 344 | * @return string |
| 345 | * @throws \DI\DependencyException |
| 346 | * @throws \DI\NotFoundException |
| 347 | * @throws Exception |
| 348 | */ |
| 349 | public static function rewriteMiscUserPathWithInstanceId(string $path): string |
| 350 | { |
| 351 | $tmp = StaticContainer::get('path.misc.user'); |
| 352 | $path = self::rewritePathAppendPiwikInstanceId($path, $tmp); |
| 353 | return $path; |
| 354 | } |
| 355 | |
| 356 | /** |
| 357 | * Returns true if the Piwik server appears to be working. |
| 358 | * |
| 359 | * If the Piwik server is in an error state (eg. some directories are not writable and Piwik displays error message), |
| 360 | * or if the Piwik server is "offline", |
| 361 | * this will return false.. |
| 362 | * |
| 363 | * @param string $piwikServerUrl |
| 364 | * @param bool $acceptInvalidSSLCertificates |
| 365 | * @return void |
| 366 | * @throws Exception |
| 367 | */ |
| 368 | public static function checkPiwikServerWorking(string $piwikServerUrl, bool $acceptInvalidSSLCertificates = false): void |
| 369 | { |
| 370 | // Now testing if the webserver is running |
| 371 | try { |
| 372 | $fetched = Http::sendHttpRequestBy('curl', |
| 373 | $piwikServerUrl, |
| 374 | $timeout = 45, |
| 375 | $userAgent = null, |
| 376 | $destinationPath = null, |
| 377 | $file = null, |
| 378 | $followDepth = 0, |
| 379 | $acceptLanguage = false, |
| 380 | $acceptInvalidSSLCertificates |
| 381 | ); |
| 382 | } catch (Exception $e) { |
| 383 | $fetched = "ERROR fetching: " . $e->getMessage(); |
| 384 | } |
| 385 | // this will match when Piwik not installed yet, or favicon not customised |
| 386 | $expectedStringAlt = 'plugins/CoreHome/images/favicon.png'; |
| 387 | |
| 388 | // this will match when Piwik is installed and favicon has been customised |
| 389 | $expectedString = 'misc/user/'; |
| 390 | |
| 391 | // see checkPiwikIsNotInstalled() |
| 392 | $expectedStringAlreadyInstalled = 'piwik-is-already-installed'; |
| 393 | |
| 394 | $expectedStringNotFound = strpos($fetched, $expectedString) === false |
| 395 | && strpos($fetched, $expectedStringAlt) === false |
| 396 | && strpos($fetched, $expectedStringAlreadyInstalled) === false; |
| 397 | |
| 398 | $hasError = false !== strpos($fetched, PAGE_TITLE_WHEN_ERROR); |
| 399 | |
| 400 | if ($hasError || $expectedStringNotFound) { |
| 401 | throw new Exception("\nMatomo should be running at: " |
| 402 | . $piwikServerUrl |
| 403 | . " but this URL returned an unexpected response: '" |
| 404 | . $fetched . "'\n\n"); |
| 405 | } |
| 406 | } |
| 407 | |
| 408 | /** |
| 409 | * Returns true if Piwik is deployed using git |
| 410 | * FAQ: http://piwik.org/faq/how-to-install/faq_18271/ |
| 411 | * |
| 412 | * @return bool |
| 413 | */ |
| 414 | public static function isGitDeployment(): bool |
| 415 | { |
| 416 | return file_exists(PIWIK_INCLUDE_PATH . '/.git/HEAD'); |
| 417 | } |
| 418 | |
| 419 | /** |
| 420 | * @return string |
| 421 | */ |
| 422 | public static function getCurrentGitBranch(): string |
| 423 | { |
| 424 | $file = PIWIK_INCLUDE_PATH . '/.git/HEAD'; |
| 425 | if (!file_exists($file)) { |
| 426 | return ''; |
| 427 | } |
| 428 | $firstLineOfGitHead = file($file); |
| 429 | if (empty($firstLineOfGitHead)) { |
| 430 | return ''; |
| 431 | } |
| 432 | $firstLineOfGitHead = $firstLineOfGitHead[0]; |
| 433 | $parts = explode('/', $firstLineOfGitHead); |
| 434 | if (empty($parts[2])) { |
| 435 | return ''; |
| 436 | } |
| 437 | $currentGitBranch = trim($parts[2]); |
| 438 | return $currentGitBranch; |
| 439 | } |
| 440 | |
| 441 | /** |
| 442 | * @param string $pathToRewrite |
| 443 | * @param string $leadingPathToAppendHostnameTo |
| 444 | * @return string |
| 445 | * @throws Exception |
| 446 | */ |
| 447 | protected static function rewritePathAppendPiwikInstanceId(string $pathToRewrite, string $leadingPathToAppendHostnameTo): string |
| 448 | { |
| 449 | $instanceId = self::getPiwikInstanceId(); |
| 450 | if (empty($instanceId)) { |
| 451 | return $pathToRewrite; |
| 452 | } |
| 453 | |
| 454 | if (($posTmp = strrpos($pathToRewrite, $leadingPathToAppendHostnameTo)) === false) { |
| 455 | throw new Exception("The path $pathToRewrite was expected to contain the string $leadingPathToAppendHostnameTo"); |
| 456 | } |
| 457 | |
| 458 | $tmpToReplace = $leadingPathToAppendHostnameTo . $instanceId . '/'; |
| 459 | |
| 460 | // replace only the latest occurrence (in case path contains twice /tmp) |
| 461 | $pathToRewrite = substr_replace($pathToRewrite, $tmpToReplace, $posTmp, strlen($leadingPathToAppendHostnameTo)); |
| 462 | return $pathToRewrite; |
| 463 | } |
| 464 | |
| 465 | /** |
| 466 | * @throws Exception |
| 467 | * @return string|false return string or false if not set |
| 468 | */ |
| 469 | public static function getPiwikInstanceId() |
| 470 | { |
| 471 | // until Matomo is installed, we use hostname as instance_id |
| 472 | if (!self::isMatomoInstalled() && Common::isPhpCliMode()) { |
| 473 | // enterprise:install use case |
| 474 | return Config::getHostname(); |
| 475 | } |
| 476 | |
| 477 | // config.ini.php not ready yet, instance_id will not be set |
| 478 | if (!Config::getInstance()->existsLocalConfig()) { |
| 479 | return false; |
| 480 | } |
| 481 | |
| 482 | $instanceId = GeneralConfig::getConfigValue('instance_id'); |
| 483 | if (!empty($instanceId)) { |
| 484 | return $instanceId; |
| 485 | } |
| 486 | |
| 487 | // do not rewrite the path as Matomo uses the standard config.ini.php file |
| 488 | return false; |
| 489 | } |
| 490 | |
| 491 | /** |
| 492 | * @param string $currentUrl |
| 493 | */ |
| 494 | public static function overwritePiwikUrl(string $currentUrl): void |
| 495 | { |
| 496 | Option::set(self::OPTION_PIWIK_URL, $currentUrl, $autoLoad = true); |
| 497 | } |
| 498 | |
| 499 | /** |
| 500 | * @return bool |
| 501 | */ |
| 502 | public static function isHttpsForced(): bool |
| 503 | { |
| 504 | if (!self::isMatomoInstalled()) { |
| 505 | // Only enable this feature after Piwik is already installed |
| 506 | return false; |
| 507 | } |
| 508 | return Config::getInstance()->General['force_ssl'] == 1; |
| 509 | } |
| 510 | |
| 511 | /** |
| 512 | * Note: this config settig is also checked in the InterSites plugin |
| 513 | * |
| 514 | * @return bool |
| 515 | */ |
| 516 | public static function isSameFingerprintAcrossWebsites(): bool |
| 517 | { |
| 518 | return (bool)Config::getInstance()->Tracker['enable_fingerprinting_across_websites']; |
| 519 | } |
| 520 | } |
| 521 |