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core.php
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core.php
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<?php
// Core extension, https://github.com/annaesvensson/yellow-core
class YellowCore {
const VERSION = "0.9.5";
const RELEASE = "0.9";
public $content; // content files
public $media; // media files
public $system; // system settings
public $language; // language settings
public $user; // user settings
public $extension; // extensions
public $lookup; // lookup and normalisation methods
public $toolbox; // toolbox with helper methods
public $page; // current page
public function __construct() {
$this->content = new YellowContent($this);
$this->media = new YellowMedia($this);
$this->system = new YellowSystem($this);
$this->language = new YellowLanguage($this);
$this->user = new YellowUser($this);
$this->extension = new YellowExtension($this);
$this->lookup = new YellowLookup($this);
$this->toolbox = new YellowToolbox($this);
$this->page = new YellowPage($this);
$this->checkRequirements();
$this->system->setDefault("sitename", "Localhost");
$this->system->setDefault("author", "Datenstrom");
$this->system->setDefault("email", "webmaster");
$this->system->setDefault("language", "en");
$this->system->setDefault("layout", "default");
$this->system->setDefault("theme", "default");
$this->system->setDefault("parser", "markdown");
$this->system->setDefault("status", "public");
$this->system->setDefault("coreServerUrl", "auto");
$this->system->setDefault("coreTimezone", "UTC");
$this->system->setDefault("coreContentExtension", ".md");
$this->system->setDefault("coreContentDefaultFile", "page.md");
$this->system->setDefault("coreContentErrorFile", "page-error-(.*).md");
$this->system->setDefault("coreLanguageFile", "yellow-language.ini");
$this->system->setDefault("coreUserFile", "yellow-user.ini");
$this->system->setDefault("coreExtensionFile", "yellow-extension.ini");
$this->system->setDefault("coreWebsiteFile", "yellow-website.log");
$this->system->setDefault("coreAssetLocation", "/assets/");
$this->system->setDefault("coreMediaLocation", "/media/");
$this->system->setDefault("coreDownloadLocation", "/media/downloads/");
$this->system->setDefault("coreImageLocation", "/media/images/");
$this->system->setDefault("coreThumbnailLocation", "/media/thumbnails/");
$this->system->setDefault("coreMultiLanguageMode", "0");
$this->system->setDefault("coreDebugMode", "0");
}
public function __destruct() {
$this->shutdown();
}
// Check requirements
public function checkRequirements() {
if (!version_compare(PHP_VERSION, "7.0", ">=")) $this->exitFatalError("Datenstrom Yellow requires PHP 7.0 or higher!");
if (!extension_loaded("curl")) $this->exitFatalError("Datenstrom Yellow requires PHP curl extension!");
if (!extension_loaded("gd")) $this->exitFatalError("Datenstrom Yellow requires PHP gd extension!");
if (!extension_loaded("mbstring")) $this->exitFatalError("Datenstrom Yellow requires PHP mbstring extension!");
if (!extension_loaded("zip")) $this->exitFatalError("Datenstrom Yellow requires PHP zip extension!");
mb_internal_encoding("UTF-8");
}
// Handle initialisation
public function load() {
$this->system->load("system/extensions/yellow-system.ini");
$this->system->set("coreSystemFile", "yellow-system.ini");
$this->system->set("coreContentDirectory", "content/");
$this->system->set("coreMediaDirectory", $this->lookup->findMediaDirectory("coreMediaLocation"));
$this->system->set("coreSystemDirectory", "system/");
$this->system->set("coreCacheDirectory", "system/cache/");
$this->system->set("coreExtensionDirectory", "system/extensions/");
$this->system->set("coreLayoutDirectory", "system/layouts/");
$this->system->set("coreThemeDirectory", "system/themes/");
$this->system->set("coreTrashDirectory", "system/trash/");
$this->system->set("coreWorkerDirectory", "system/workers/");
list($pathInstall, $pathRoot, $pathHome) = $this->lookup->findFileSystemInformation();
$this->system->set("coreServerInstallDirectory", $pathInstall);
$this->system->set("coreServerRootDirectory", $pathRoot);
$this->system->set("coreServerHomeDirectory", $pathHome);
register_shutdown_function(array($this, "processFatalError"));
if ($this->system->get("coreDebugMode")>=1) {
ini_set("display_errors", 1);
error_reporting(E_ALL);
}
date_default_timezone_set($this->system->get("coreTimezone"));
$this->extension->load($this->system->get("coreWorkerDirectory"));
$this->language->load($this->system->get("coreExtensionDirectory").$this->system->get("coreLanguageFile"));
$this->user->load($this->system->get("coreExtensionDirectory").$this->system->get("coreUserFile"));
$this->startup();
}
// Handle request from web browser
public function request() {
$statusCode = 0;
$this->toolbox->timerStart($time);
ob_start();
list($scheme, $address, $base, $location, $fileName) = $this->lookup->getRequestInformation();
$this->page->setRequestInformation($scheme, $address, $base, $location, $fileName, true);
foreach ($this->extension->data as $key=>$value) {
if (method_exists($value["object"], "onRequest")) {
$this->lookup->requestHandler = $key;
$statusCode = $value["object"]->onRequest($scheme, $address, $base, $location, $fileName);
if ($statusCode!=0) break;
}
}
if ($statusCode==0) {
$this->lookup->requestHandler = "core";
$statusCode = $this->processRequest($scheme, $address, $base, $location, $fileName, true);
}
if ($this->page->isError()) $statusCode = $this->processRequestError();
ob_end_flush();
$this->toolbox->timerStop($time);
if ($this->system->get("coreDebugMode")>=1 && ($this->lookup->isContentFile($fileName) || $this->page->isError())) {
echo "YellowCore::request status:$statusCode time:$time ms<br/>\n";
}
return $statusCode;
}
// Process request
public function processRequest($scheme, $address, $base, $location, $fileName, $cacheable) {
$statusCode = 0;
if (is_readable($fileName)) {
if ($this->lookup->isRequestCleanUrl($location)) {
$location = $location.$this->toolbox->getLocationArgumentsCleanUrl();
$location = $this->lookup->normaliseUrl($scheme, $address, $base, $location);
$statusCode = $this->sendStatus(303, $location);
}
} else {
if ($this->lookup->isRedirectLocation($location)) {
$location = $this->lookup->getRedirectLocation($location);
$location = $this->lookup->normaliseUrl($scheme, $address, $base, $location);
$statusCode = $this->sendStatus(301, $location);
}
}
if ($statusCode==0) {
if ($this->lookup->isContentFile($fileName)) {
$statusCode = $this->sendPage($scheme, $address, $base, $location, $fileName, $cacheable, true);
} elseif (!is_string_empty($fileName)) {
$statusCode = $this->sendFile(200, $fileName, $cacheable);
}
if (!is_readable($fileName)) $this->page->error(404);
}
if ($this->system->get("coreDebugMode")>=1 && ($this->lookup->isContentFile($fileName) || $this->page->isError())) {
echo "YellowCore::processRequest file:$fileName<br/>\n";
}
return $statusCode;
}
// Process request with error
public function processRequestError() {
ob_clean();
$statusCode = $this->sendPage($this->page->scheme, $this->page->address, $this->page->base,
$this->page->location, $this->page->fileName, false, false);
if ($this->system->get("coreDebugMode")>=1) echo "YellowCore::processRequestError file:".$this->page->fileName."<br/>\n";
return $statusCode;
}
// Process fatal runtime error
public function processFatalError() {
$error = error_get_last();
if (!is_null($error) && isset($error["type"]) && ($error["type"]==E_ERROR || $error["type"]==E_PARSE)) {
$fileNameAbsolute = isset($error["file"]) ? $error["file"] : "";
$fileName = substru($fileNameAbsolute, strlenu($this->system->get("coreServerInstallDirectory")));
$this->toolbox->log("error", "Can't parse file '$fileName'!");
$this->toolbox->sendHttpHeader($this->toolbox->getHttpStatusFormatted(500));
$troubleshooting = PHP_SAPI!="cli" ?
"<a href=\"".$this->toolbox->getTroubleshootingUrl()."\">See troubleshooting</a>." : "See ".$this->toolbox->getTroubleshootingUrl();
echo "<br/>\nDatenstrom Yellow stopped with fatal error. Activate the debug mode for more information. $troubleshooting\n";
}
}
// Show error message and terminate immediately
public function exitFatalError($errorMessage = "") {
$this->toolbox->sendHttpHeader($this->toolbox->getHttpStatusFormatted(500));
$troubleshooting = PHP_SAPI!="cli" ?
"<a href=\"".$this->toolbox->getTroubleshootingUrl()."\">See troubleshooting</a>." : "See ".$this->toolbox->getTroubleshootingUrl();
echo "$errorMessage $troubleshooting\n";
exit(1);
}
// Send page response
public function sendPage($scheme, $address, $base, $location, $fileName, $cacheable, $showSource) {
$rawData = $showSource ? $this->toolbox->readFile($fileName) : $this->page->getRawDataError();
$statusCode = max($this->page->statusCode, 200);
$errorMessage = $this->page->errorMessage;
$this->page = new YellowPage($this);
$this->page->setRequestInformation($scheme, $address, $base, $location, $fileName, $cacheable);
$this->page->parseMeta($rawData, $statusCode, $errorMessage);
$this->language->set($this->page->get("language"));
$this->page->parseContent();
$this->page->parsePage();
$statusCode = $this->sendData($this->page->statusCode, $this->page->headerData, $this->page->outputData);
if ($this->system->get("coreDebugMode")>=1) {
foreach ($this->page->headerData as $key=>$value) {
echo "YellowCore::sendPage $key: $value<br/>\n";
}
$language = $this->page->get("language");
$layout = $this->page->get("layout");
$theme = $this->page->get("theme");
$parser = $this->page->get("parser");
echo "YellowCore::sendPage language:$language layout:$layout theme:$theme parser:$parser<br/>\n";
}
return $statusCode;
}
// Send data response
public function sendData($statusCode, $headerData, $outputData) {
$lastModifiedFormatted = isset($headerData["Last-Modified"]) ? $headerData["Last-Modified"] : "";
if ($statusCode==200 && !isset($headerData["Cache-Control"]) && $this->toolbox->isNotModified($lastModifiedFormatted)) {
$statusCode = 304;
$this->toolbox->sendHttpHeader($this->toolbox->getHttpStatusFormatted($statusCode));
} else {
$this->toolbox->sendHttpHeader($this->toolbox->getHttpStatusFormatted($statusCode));
foreach ($headerData as $key=>$value) {
$this->toolbox->sendHttpHeader("$key: $value");
}
if (!is_null($outputData)) echo $outputData;
}
return $statusCode;
}
// Send file response
public function sendFile($statusCode, $fileName, $cacheable) {
$lastModifiedFormatted = $this->toolbox->getHttpDateFormatted($this->toolbox->getFileModified($fileName));
if ($statusCode==200 && $cacheable && $this->toolbox->isNotModified($lastModifiedFormatted)) {
$statusCode = 304;
$this->toolbox->sendHttpHeader($this->toolbox->getHttpStatusFormatted($statusCode));
} else {
$this->toolbox->sendHttpHeader($this->toolbox->getHttpStatusFormatted($statusCode));
if (!$cacheable) $this->toolbox->sendHttpHeader("Cache-Control: no-cache, no-store");
$this->toolbox->sendHttpHeader("Content-Type: ".$this->toolbox->getMimeContentType($fileName));
$this->toolbox->sendHttpHeader("Last-Modified: ".$lastModifiedFormatted);
echo $this->toolbox->readFile($fileName);
}
return $statusCode;
}
// Send status response
public function sendStatus($statusCode, $location = "") {
if (!is_string_empty($location)) $this->page->status($statusCode, $location);
$this->toolbox->sendHttpHeader($this->toolbox->getHttpStatusFormatted($statusCode));
foreach ($this->page->headerData as $key=>$value) {
$this->toolbox->sendHttpHeader("$key: $value");
}
return $statusCode;
}
// Handle command from command line
public function command($line = "") {
$statusCode = 0;
$this->toolbox->timerStart($time);
list($command, $text) = $this->lookup->getCommandInformation($line);
foreach ($this->extension->data as $key=>$value) {
if (method_exists($value["object"], "onCommand")) {
$this->lookup->commandHandler = $key;
$statusCode = $value["object"]->onCommand($command, $text);
if ($statusCode!=0) break;
}
}
if ($statusCode==0 && is_string_empty($command)) {
$lines = array();
foreach ($this->extension->data as $key=>$value) {
if (method_exists($value["object"], "onCommandHelp")) {
$this->lookup->commandHandler = $key;
$output = $value["object"]->onCommandHelp();
$lines = array_merge($lines, is_array($output) ? $output : array($output));
}
}
usort($lines, "strnatcasecmp");
$this->showCommandHelp($lines);
$statusCode = 200;
}
if ($statusCode==0) {
$this->lookup->commandHandler = "core";
$statusCode = 400;
echo "Yellow $command: Command not found\n";
}
$this->toolbox->timerStop($time);
if ($this->system->get("coreDebugMode")>=1) {
echo "YellowCore::command status:$statusCode time:$time ms<br/>\n";
}
return $statusCode<400 ? 0 : 1;
}
// Show command help
public function showCommandHelp($lines) {
echo "Datenstrom Yellow is for people who make small websites. https://datenstrom.se/yellow/\n";
$lineCounter = 0;
foreach ($lines as $line) {
echo(++$lineCounter>1 ? " " : "Syntax: ")."php yellow.php $line\n";
}
}
// Handle startup
public function startup() {
if (isset($this->extension->data)) {
foreach ($this->extension->data as $key=>$value) {
if (method_exists($value["object"], "onStartup")) $value["object"]->onStartup();
}
}
}
// Handle shutdown
public function shutdown() {
if (isset($this->extension->data)) {
foreach ($this->extension->data as $key=>$value) {
if (method_exists($value["object"], "onShutdown")) $value["object"]->onShutdown();
}
}
}
// Include layout
public function layout($name, $arguments = null) {
$this->lookup->layoutArguments = func_get_args();
$this->page->includeLayout($name);
}
// Return layout arguments
public function getLayoutArguments($sizeMin = 9) {
return array_pad($this->lookup->layoutArguments, $sizeMin, null);
}
}
class YellowContent {
public $yellow; // access to API
public $pages; // scanned pages
public function __construct($yellow) {
$this->yellow = $yellow;
$this->pages = array();
}
// Scan file system on demand
public function scanLocation($location) {
if (!isset($this->pages[$location])) {
$this->pages[$location] = array();
$scheme = $this->yellow->page->scheme;
$address = $this->yellow->page->address;
$base = $this->yellow->page->base;
if (is_string_empty($location)) {
$rootLocations = $this->yellow->lookup->findContentRootLocations();
foreach ($rootLocations as $rootLocation=>$rootFileName) {
$page = new YellowPage($this->yellow);
$page->setRequestInformation($scheme, $address, $base, $rootLocation, $rootFileName, false);
$page->parseMeta("");
array_push($this->pages[$location], $page);
}
} else {
if ($this->yellow->system->get("coreDebugMode")>=2) echo "YellowContent::scanLocation location:$location<br/>\n";
$fileNames = $this->yellow->lookup->findChildrenFromContentLocation($location);
foreach ($fileNames as $fileName) {
$page = new YellowPage($this->yellow);
$page->setRequestInformation($scheme, $address, $base,
$this->yellow->lookup->findContentLocationFromFile($fileName), $fileName, false);
$page->parseMeta($this->yellow->toolbox->readFile($fileName, 4096));
if (strlenb($page->rawData)<4096) $page->statusCode = 200;
array_push($this->pages[$location], $page);
}
}
}
return $this->pages[$location];
}
// Return page from, null if not found
public function find($location, $absoluteLocation = false) {
$found = false;
if ($absoluteLocation) $location = substru($location, strlenu($this->yellow->page->base));
foreach ($this->scanLocation($this->getParentLocation($location)) as $page) {
if ($page->location==$location) {
$found = true;
break;
}
}
return $found ? $page : null;
}
// Return page collection with all pages
public function index($showInvisible = false, $multiLanguage = false) {
$rootLocation = $multiLanguage ? "" : $this->getRootLocation($this->yellow->page->location);
return $this->getChildrenRecursive($rootLocation, $showInvisible);
}
// Return page collection with top-level navigation
public function top($showInvisible = false) {
$rootLocation = $this->getRootLocation($this->yellow->page->location);
return $this->getChildren($rootLocation, $showInvisible);
}
// Return page collection with path ancestry
public function path($location, $absoluteLocation = false) {
$pages = new YellowPageCollection($this->yellow);
if ($absoluteLocation) $location = substru($location, strlenu($this->yellow->page->base));
if ($page = $this->find($location)) {
$pages->prepend($page);
for (; $parent = $page->getParent(); $page=$parent) {
$pages->prepend($parent);
}
$home = $this->find($this->getHomeLocation($page->location));
if ($home && $home->location!=$page->location) $pages->prepend($home);
}
return $pages;
}
// Return page collection with multiple languages
public function multi($location, $absoluteLocation = false, $showInvisible = false) {
$pages = new YellowPageCollection($this->yellow);
if ($absoluteLocation) $location = substru($location, strlenu($this->yellow->page->base));
$locationEnd = substru($location, strlenu($this->getRootLocation($location)) - 4);
foreach ($this->scanLocation("") as $page) {
if ($content = $this->find(substru($page->location, 4).$locationEnd)) {
if ($content->isAvailable() && ($content->isVisible() || $showInvisible)) {
$pages->append($content);
}
}
}
return $pages;
}
// Return page collection that's empty
public function clean() {
return new YellowPageCollection($this->yellow);
}
// Return languages in multi language mode
public function getLanguages($showInvisible = false) {
$languages = array();
if ($this->yellow->system->get("coreMultiLanguageMode")) {
foreach ($this->scanLocation("") as $page) {
if ($page->isAvailable() && ($page->isVisible() || $showInvisible)) {
array_push($languages, $page->get("language"));
}
}
}
return $languages;
}
// Return child pages
public function getChildren($location, $showInvisible = false) {
$pages = new YellowPageCollection($this->yellow);
foreach ($this->scanLocation($location) as $page) {
if ($page->isAvailable() && ($page->isVisible() || $showInvisible)) {
$pages->append($page);
}
}
return $pages;
}
// Return child pages recursively
public function getChildrenRecursive($location, $showInvisible = false, $levelMax = 0) {
--$levelMax;
$pages = new YellowPageCollection($this->yellow);
foreach ($this->scanLocation($location) as $page) {
if ($page->isAvailable() && ($page->isVisible() || $showInvisible)) {
$pages->append($page);
}
if (!$this->yellow->lookup->isFileLocation($page->location) && $levelMax!=0) {
$pages->merge($this->getChildrenRecursive($page->location, $showInvisible, $levelMax));
}
}
return $pages;
}
// Return shared pages
public function getShared($location) {
$pages = new YellowPageCollection($this->yellow);
$sharedLocation = $this->getHomeLocation($location)."shared/";
return $pages->merge($this->scanLocation($sharedLocation));
}
// Return root location
public function getRootLocation($location) {
$rootLocation = "root/";
if ($this->yellow->system->get("coreMultiLanguageMode")) {
foreach ($this->scanLocation("") as $page) {
$token = substru($page->location, 4);
if ($token!="/" && substru($location, 0, strlenu($token))==$token) {
$rootLocation = "root$token";
break;
}
}
}
return $rootLocation;
}
// Return home location
public function getHomeLocation($location) {
return substru($this->getRootLocation($location), 4);
}
// Return parent location
public function getParentLocation($location) {
$parentLocation = "";
$token = rtrim(substru($this->getRootLocation($location), 4), "/");
if (preg_match("#^($token.*\/).+?$#", $location, $matches)) {
if ($matches[1]!="$token/" || $this->yellow->lookup->isFileLocation($location)) $parentLocation = $matches[1];
}
if (is_string_empty($parentLocation)) $parentLocation = "root$token/";
return $parentLocation;
}
// Return top-level location
public function getParentTopLocation($location) {
$parentTopLocation = "";
$token = rtrim(substru($this->getRootLocation($location), 4), "/");
if (preg_match("#^($token.+?\/)#", $location, $matches)) $parentTopLocation = $matches[1];
if (is_string_empty($parentTopLocation)) $parentTopLocation = "$token/";
return $parentTopLocation;
}
}
class YellowMedia {
public $yellow; // access to API
public $files; // scanned files
public function __construct($yellow) {
$this->yellow = $yellow;
$this->files = array();
}
// Scan file system on demand
public function scanLocation($location) {
if (!isset($this->files[$location])) {
$this->files[$location] = array();
$scheme = $this->yellow->page->scheme;
$address = $this->yellow->page->address;
$base = $this->yellow->system->get("coreServerBase");
if (is_string_empty($location)) {
$fileNames = array($this->yellow->system->get("coreMediaDirectory"));
} else {
if ($this->yellow->system->get("coreDebugMode")>=2) echo "YellowMedia::scanLocation location:$location<br/>\n";
$fileNames = $this->yellow->lookup->findChildrenFromMediaLocation($location);
}
foreach ($fileNames as $fileName) {
$file = new YellowPage($this->yellow);
$file->setRequestInformation($scheme, $address, $base,
$this->yellow->lookup->findMediaLocationFromFile($fileName), $fileName, false);
$file->parseMeta(null);
array_push($this->files[$location], $file);
}
}
return $this->files[$location];
}
// Return page with media file information, null if not found
public function find($location, $absoluteLocation = false) {
$found = false;
if ($absoluteLocation) $location = substru($location, strlenu($this->yellow->system->get("coreServerBase")));
foreach ($this->scanLocation($this->getParentLocation($location)) as $file) {
if ($file->location==$location) {
$found = true;
break;
}
}
return $found ? $file : null;
}
// Return page collection with all media files
public function index($showInvisible = false, $multiPass = false) {
return $this->getChildrenRecursive("", $showInvisible);
}
// Return page collection that's empty
public function clean() {
return new YellowPageCollection($this->yellow);
}
// Return child files
public function getChildren($location, $showInvisible = false) {
$files = new YellowPageCollection($this->yellow);
foreach ($this->scanLocation($location) as $file) {
if ($file->isAvailable() && ($file->isVisible() || $showInvisible)) {
$files->append($file);
}
}
return $files;
}
// Return child files recursively
public function getChildrenRecursive($location, $showInvisible = false, $levelMax = 0) {
--$levelMax;
$files = new YellowPageCollection($this->yellow);
foreach ($this->scanLocation($location) as $file) {
if ($file->isAvailable() && ($file->isVisible() || $showInvisible)) {
$files->append($file);
}
if (!$this->yellow->lookup->isFileLocation($file->location) && $levelMax!=0) {
$files->merge($this->getChildrenRecursive($file->location, $showInvisible, $levelMax));
}
}
return $files;
}
// Return home location
public function getHomeLocation($location) {
return $this->yellow->system->get("coreMediaLocation");
}
// Return parent location
public function getParentLocation($location) {
$token = rtrim($this->yellow->system->get("coreMediaLocation"), "/");
if (preg_match("#^($token.*\/).+?$#", $location, $matches)) {
if ($matches[1]!="$token/" || $this->yellow->lookup->isFileLocation($location)) $parentLocation = $matches[1];
}
if (is_string_empty($parentLocation)) $parentLocation = "";
return $parentLocation;
}
// Return top-level location
public function getParentTopLocation($location) {
$token = rtrim($this->yellow->system->get("coreMediaLocation"), "/");
if (preg_match("#^($token.+?\/)#", $location, $matches)) $parentTopLocation = $matches[1];
if (is_string_empty($parentTopLocation)) $parentTopLocation = "$token/";
return $parentTopLocation;
}
}
class YellowSystem {
public $yellow; // access to API
public $modified; // system modification date
public $settings; // system settings
public $settingsDefaults; // system settings defaults
public function __construct($yellow) {
$this->yellow = $yellow;
$this->modified = 0;
$this->settings = new YellowArray();
$this->settingsDefaults = new YellowArray();
}
// Load system settings from file
public function load($fileName) {
$this->modified = $this->yellow->toolbox->getFileModified($fileName);
$fileData = $this->yellow->toolbox->readFile($fileName);
$this->settings = $this->yellow->toolbox->getTextSettings($fileData, "");
if ($this->yellow->system->get("coreDebugMode")>=2) echo "YellowSystem::load file:$fileName<br/>\n";
if ($this->yellow->system->get("coreDebugMode")>=3) {
foreach ($this->settings as $key=>$value) {
echo "YellowSystem::load ".ucfirst($key).":$value<br/>\n";
}
}
}
// Save system settings to file
public function save($fileName, $settings) {
$this->modified = time();
$settingsNew = new YellowArray();
foreach ($settings as $key=>$value) {
if (!is_string_empty($key) && !is_string_empty($value)) {
$this->set($key, $value);
$settingsNew[$key] = $value;
}
}
$fileData = $this->yellow->toolbox->readFile($fileName);
$fileData = $this->yellow->toolbox->setTextSettings($fileData, "", "", $settingsNew);
return $this->yellow->toolbox->writeFile($fileName, $fileData);
}
// Set default system setting
public function setDefault($key, $value) {
$this->settingsDefaults[$key] = $value;
}
// Set default system settings
public function setDefaults($lines) {
foreach ($lines as $line) {
if (preg_match("/^\#/", $line)) continue;
if (preg_match("/^\s*(.*?)\s*:\s*(.*?)\s*$/", $line, $matches)) {
if (!is_string_empty($matches[1]) && !is_string_empty($matches[2])) {
$this->settingsDefaults[$matches[1]] = $matches[2];
}
}
}
}
// Set system setting
public function set($key, $value) {
$this->settings[$key] = $value;
}
// Return system setting
public function get($key) {
if (isset($this->settings[$key])) {
$value = $this->settings[$key];
} else {
$value = isset($this->settingsDefaults[$key]) ? $this->settingsDefaults[$key] : "";
}
return $value;
}
// Return system setting, HTML encoded
public function getHtml($key) {
return htmlspecialchars($this->get($key));
}
// Return different value for system setting
public function getDifferent($key) {
$array = array_diff($this->getAvailable($key), array($this->get($key)));
return reset($array);
}
// Return available values for system setting
public function getAvailable($key) {
$values = array();
$valueDefault = isset($this->settingsDefaults[$key]) ? $this->settingsDefaults[$key] : "";
if ($key=="email") {
foreach ($this->yellow->user->settings as $userKey=>$userValue) {
array_push($values, $userKey);
}
} elseif ($key=="language") {
foreach ($this->yellow->language->settings as $languageKey=>$languageValue) {
array_push($values, $languageKey);
}
} elseif ($key=="layout") {
$path = $this->yellow->system->get("coreLayoutDirectory");
foreach ($this->yellow->toolbox->getDirectoryEntries($path, "/^.*\.html$/", true, false, false) as $entry) {
array_push($values, lcfirst(substru($entry, 0, -5)));
}
} elseif ($key=="theme") {
$path = $this->yellow->system->get("coreThemeDirectory");
foreach ($this->yellow->toolbox->getDirectoryEntries($path, "/^.*\.css$/", true, false, false) as $entry) {
array_push($values, lcfirst(substru($entry, 0, -4)));
}
}
return !is_array_empty($values) ? $values : array($valueDefault);
}
// Return system settings
public function getSettings($filterStart = "", $filterEnd = "") {
$settings = array();
if (is_string_empty($filterStart) && is_string_empty($filterEnd)) {
$settings = array_merge($this->settingsDefaults->getArrayCopy(), $this->settings->getArrayCopy());
} else {
foreach (array_merge($this->settingsDefaults->getArrayCopy(), $this->settings->getArrayCopy()) as $key=>$value) {
if (!is_string_empty($filterStart) && substru($key, 0, strlenu($filterStart))==$filterStart) $settings[$key] = $value;
if (!is_string_empty($filterEnd) && substru($key, -strlenu($filterEnd))==$filterEnd) $settings[$key] = $value;
}
}
return $settings;
}
// Return system settings modification date, Unix time or HTTP format
public function getModified($httpFormat = false) {
return $httpFormat ? $this->yellow->toolbox->getHttpDateFormatted($this->modified) : $this->modified;
}
// Check if system setting exists
public function isExisting($key) {
return isset($this->settings[$key]);
}
}
class YellowLanguage {
public $yellow; // access to API
public $modified; // language modification date
public $settings; // language settings
public $settingsDefaults; // language settings defaults
public $language; // current language
public function __construct($yellow) {
$this->yellow = $yellow;
$this->modified = 0;
$this->settings = new YellowArray();
$this->settingsDefaults = new YellowArray();
$this->language = "";
}
// Load language settings from file
public function load($fileName) {
$this->modified = $this->yellow->toolbox->getFileModified($fileName);
$fileData = $this->yellow->toolbox->readFile($fileName);
$settings = $this->yellow->toolbox->getTextSettings($fileData, "language");
foreach ($settings as $language=>$block) {
if (!isset($this->settings[$language])) $this->settings[$language] = new YellowArray();
foreach ($block as $key=>$value) {
$this->settings[$language][$key] = $value;
}
}
if ($this->yellow->system->get("coreDebugMode")>=2) echo "YellowLanguage::load file:$fileName<br/>\n";
foreach ($this->settings->getArrayCopy() as $key=>$value) {
if (!isset($this->settings[$key]["languageDescription"])) {
unset($this->settings[$key]);
}
}
$callback = function ($a, $b) {
return strnatcmp($a["languageDescription"], $b["languageDescription"]);
};
$this->settings->uasort($callback);
}
// Set current language
public function set($language) {
$this->language = $language;
}
// Set default language setting
public function setDefault($key, $value, $language) {
if (!isset($this->settings[$language])) $this->settings[$language] = new YellowArray();
$this->settings[$language][$key] = $value;
$this->settingsDefaults[$key] = true;
}
// Set default language settings
public function setDefaults($lines) {
$language = "";
foreach ($lines as $line) {
if (preg_match("/^\#/", $line)) continue;
if (preg_match("/^\s*(.*?)\s*:\s*(.*?)\s*$/", $line, $matches)) {
if (lcfirst($matches[1])=="language" && !is_string_empty($matches[2])) {
$language = $matches[2];
if (!isset($this->settings[$language])) $this->settings[$language] = new YellowArray();
}
if (!is_string_empty($language) && !is_string_empty($matches[1]) && !is_string_empty($matches[2])) {
$this->settings[$language][$matches[1]] = $matches[2];
$this->settingsDefaults[$matches[1]] = true;
}
}
}
}
// Set language setting
public function setText($key, $value, $language) {
if (!isset($this->settings[$language])) $this->settings[$language] = new YellowArray();
$this->settings[$language][$key] = $value;
}
// Return language setting
public function getText($key, $language = "") {
if (is_string_empty($language)) $language = $this->language;
return $this->isText($key, $language) ? $this->settings[$language][$key] : "[$key]";
}
// Return language setting, HTML encoded
public function getTextHtml($key, $language = "") {
return htmlspecialchars($this->getText($key, $language));
}
// Return text as language specific date, convert to one of the standard formats
public function getDateStandard($text, $language = "") {
if (preg_match("/^\d+$/", $text)) {
$output = $text;
} elseif (preg_match("/^\d+\-\d+$/", $text)) {
$format = $this->getText("coreDateFormatShort", $language);
$output = $this->getDateFormatted(strtotime($text), $format, $language);
} elseif (preg_match("/^\d+\-\d+\-\d+$/", $text)) {
$format = $this->getText("coreDateFormatMedium", $language);
$output = $this->getDateFormatted(strtotime($text), $format, $language);
} else {
$format = $this->getText("coreDateFormatLong", $language);
$output = $this->getDateFormatted(strtotime($text), $format, $language);
}
return $output;
}
// Return Unix time as date, relative to today
public function getDateRelative($timestamp, $format, $daysLimit, $language = "") {
$timeDifference = mktime(0, 0, 0) - strtotime(date("Y-m-d", $timestamp));
$days = abs(intval($timeDifference/86400));
$key = $timeDifference>=0 ? "coreDatePast" : "coreDateFuture";
$tokens = preg_split("/\s*,\s*/", $this->getText($key, $language));
if (count($tokens)>=8) {
if ($days<=$daysLimit || $daysLimit==0) {
if ($days==0) {
$output = $tokens[0];
} elseif ($days==1) {
$output = $tokens[1];
} elseif ($days>=2 && $days<=29) {
$output = preg_replace("/@x/i", $days, $tokens[2]);
} elseif ($days>=30 && $days<=59) {
$output = $tokens[3];
} elseif ($days>=60 && $days<=364) {
$output = preg_replace("/@x/i", intval($days/30), $tokens[4]);
} elseif ($days>=365 && $days<=729) {
$output = $tokens[5];
} else {
$output = preg_replace("/@x/i", intval($days/365.25), $tokens[6]);
}
} else {
$output = preg_replace("/@x/i", $this->getDateFormatted($timestamp, $format, $language), $tokens[7]);
}
} else {
$output = "[$key]";
}
return $output;
}
// Return Unix time as date
public function getDateFormatted($timestamp, $format, $language = "") {
$dateMonthsNominative = preg_split("/\s*,\s*/", $this->getText("coreDateMonthsNominative", $language));
$dateMonthsGenitive = preg_split("/\s*,\s*/", $this->getText("coreDateMonthsGenitive", $language));
$dateWeekdays = preg_split("/\s*,\s*/", $this->getText("coreDateWeekdays", $language));
$monthNominative = $dateMonthsNominative[date("n", $timestamp) - 1];
$monthGenitive = $dateMonthsGenitive[date("n", $timestamp) - 1];
$weekday = $dateWeekdays[date("N", $timestamp) - 1];
$timeZone = $this->yellow->system->get("coreTimezone");
$timeZoneHelper = new DateTime("now", new DateTimeZone($timeZone));
$timeZoneOffset = $timeZoneHelper->getOffset();
$timeZoneAbbreviation = "GMT".($timeZoneOffset<0 ? "-" : "+").abs(intval($timeZoneOffset/3600));
$format = preg_replace("/(?<!\\\)F/", addcslashes($monthNominative, "A..Za..z"), $format);
$format = preg_replace("/(?<!\\\)V/", addcslashes($monthGenitive, "A..Za..z"), $format);
$format = preg_replace("/(?<!\\\)M/", addcslashes(substru($monthNominative, 0, 3), "A..Za..z"), $format);
$format = preg_replace("/(?<!\\\)D/", addcslashes(substru($weekday, 0, 3), "A..Za..z"), $format);
$format = preg_replace("/(?<!\\\)l/", addcslashes($weekday, "A..Za..z"), $format);
$format = preg_replace("/(?<!\\\)T/", addcslashes($timeZoneAbbreviation, "A..Za..z"), $format);
return date($format, $timestamp);
}
// Return language settings
public function getSettings($filterStart = "", $filterEnd = "", $language = "") {
$settings = array();
if (is_string_empty($language)) $language = $this->language;
if (isset($this->settings[$language])) {
if (is_string_empty($filterStart) && is_string_empty($filterEnd)) {
$settings = $this->settings[$language]->getArrayCopy();
} else {
foreach ($this->settings[$language] as $key=>$value) {
if (!is_string_empty($filterStart) && substru($key, 0, strlenu($filterStart))==$filterStart) $settings[$key] = $value;
if (!is_string_empty($filterEnd) && substru($key, -strlenu($filterEnd))==$filterEnd) $settings[$key] = $value;
}
}
}
return $settings;
}
// Return language settings modification date, Unix time or HTTP format
public function getModified($httpFormat = false) {
return $httpFormat ? $this->yellow->toolbox->getHttpDateFormatted($this->modified) : $this->modified;
}
// Check if language setting exists
public function isText($key, $language = "") {
if (is_string_empty($language)) $language = $this->language;
return isset($this->settings[$language]) && isset($this->settings[$language][$key]);
}
// Check if language exists
public function isExisting($language) {
return isset($this->settings[$language]);
}
}
class YellowUser {
public $yellow; // access to API
public $modified; // user modification date
public $settings; // user settings
public $email; // current email
public function __construct($yellow) {
$this->yellow = $yellow;
$this->modified = 0;
$this->settings = new YellowArray();
$this->email = "";
}
// Load user settings from file
public function load($fileName) {
$this->modified = $this->yellow->toolbox->getFileModified($fileName);
$fileData = $this->yellow->toolbox->readFile($fileName);
$this->settings = $this->yellow->toolbox->getTextSettings($fileData, "email");
if ($this->yellow->system->get("coreDebugMode")>=2) echo "YellowUser::load file:$fileName<br/>\n";
}
// Save user settings to file
public function save($fileName, $email, $settings) {
$this->modified = time();
$settingsNew = new YellowArray();
$settingsNew["email"] = $email;
foreach ($settings as $key=>$value) {
if (!is_string_empty($key) && !is_string_empty($value)) {
$this->setUser($key, $value, $email);
$settingsNew[$key] = $value;
}
}
$fileData = $this->yellow->toolbox->readFile($fileName);
$fileData = $this->yellow->toolbox->setTextSettings($fileData, "email", $email, $settingsNew);
return $this->yellow->toolbox->writeFile($fileName, $fileData);
}
// Remove user settings from file
public function remove($fileName, $email) {
$this->modified = time();
if (isset($this->settings[$email])) unset($this->settings[$email]);
$fileData = $this->yellow->toolbox->readFile($fileName);
$fileData = $this->yellow->toolbox->unsetTextSettings($fileData, "email", $email);
return $this->yellow->toolbox->writeFile($fileName, $fileData);
}
// Set current email
public function set($email) {
$this->email = $email;
}
// Set user setting
public function setUser($key, $value, $email) {
if (!isset($this->settings[$email])) $this->settings[$email] = new YellowArray();
$this->settings[$email][$key] = $value;