/**
* Constructs a file cache store object.
*
* @param Logger $Logger our Logger
* @param DateFactory $DateFactory IoC Datefactory
* @param string $fileCacheDirectory The absolute path where our files will be stored without trailing '/'
* @param string $fileCachePrefixKey A prefix for the cache keys
* @param boolean $fileCacheEnabled Flag to determine if caching is enabled
* @param string $fileCacheExtension The file extension to use for cache files.
*/
public function __construct(LoggerInterface $Logger, DateFactory $DateFactory, $fileCacheDirectory, $fileCacheCachePrefixKey = '', $fileCacheEnabled = false, $fileCacheExtension = 'cfcache')
{
if ($fileCacheEnabled) {
// Verify the directory exists and is writable
if (!is_writable($fileCacheDirectory) && !@FileSystemUtils::recursiveMkdir($fileCacheDirectory)) {
throw new CacheException("Directory '{$fileCacheDirectory}' does not exist or is not writable.");
}
// Remove any trailing DIRECTORY_SEPARATOR passed in
// For example '/home/crowdfusion/filestore/' becomes '/home/crowdfusion/filestore'
$fileCacheDirectory = rtrim($fileCacheDirectory, DIRECTORY_SEPARATOR);
// Set our vars
$this->cachePrefixKey = str_replace(' ', '', $fileCacheCachePrefixKey);
$this->Logger = $Logger;
$this->DateFactory = $DateFactory;
$this->dir = $fileCacheDirectory;
$this->enabled = $fileCacheEnabled;
$this->fileExtension = $fileCacheExtension;
$this->Logger->debug("Set FileStore options:\n" . "\tCachePrefix: {$fileCacheCachePrefixKey}\n" . "\tEnabled: TRUE");
} else {
$this->enabled = false;
}
}
/**
* Marks up a string with paragraphs and automatically links any urls.
*
* This function marks up the output with paragraph tags and auto-links any URLs that are found.
* The resulting output is suitable for display in any web-browser, but must have
* paragraph and extra html tags removed before it's ready for editing.
*
* Content is XSS cleaned and stripped of all but a few tags (specified by implementation.)
*
* @param string $string The HTML string to format
* @param string $allowedTags (optional) A comma-separated list of allowed tags.
*
* @return string A nicely-formatted version of the input text, with automatic paragraphs and urls in place
*
* @see unAutoParagraph()
*/
public function autoParagraph($string, $allowedTags = null, $linkUrls = true)
{
if (is_null($allowedTags)) {
$allowedTags = $this->defaultAllowedTags;
}
if (is_null($this->purifier)) {
require_once PATH_SYSTEM . '/vendors/HTMLPurifier.php';
$this->purifier = HTMLPurifier::instance();
FileSystemUtils::recursiveMkdir($this->vendorCacheDirectory . '/purifier/');
}
if ($this->injectors == null && $linkUrls) {
$this->injectors = array(new CF_HTMLPurifier_Injector_Linkify());
}
$purifierConfig = array('Core.Encoding' => $this->charset, 'AutoFormat.AutoParagraph' => true, 'HTML.TidyLevel' => 'none', 'HTML.Allowed' => $allowedTags, 'Cache.SerializerPath' => $this->vendorCacheDirectory);
if (!is_null($this->injectors)) {
$purifierConfig['AutoFormat.Custom'] = $this->injectors;
}
$string = $this->purifier->purify($string, $purifierConfig);
$string = str_replace("\n\n", '[DBLBR]', $string);
$string = str_replace("\n", '<br/>', $string);
$string = str_replace('[DBLBR]', "\n\n", $string);
// trim links
$string = preg_replace_callback("/\\<a\\s+href\\=\"(" . URLUtils::URL_MATCH . ")\"\\>\\1<\\/a\\>/Uix", array($this, 'trimCallback'), $string);
// trim all words longer than 60 chars that aren't URLs, ignoring tags
if (preg_match_all("/\\S60/", strip_tags(preg_replace('/(\\<(\\/?[^\\>]+)\\>)/', ' $1', $string)), $m)) {
foreach ($m[0] as $n) {
if (!preg_match("/" . URLUtils::URL_MATCH . "/", $n)) {
$string = str_replace($n, trim(substr($n, 0, 60 - 3), '.') . '...', $string);
}
}
}
return $string;
}
