/**
* Returns an abstract of the file content.
*
* @param array $data
* @return string
*/
protected static function getContentPreview($data)
{
if (!ATTACHMENT_ENABLE_CONTENT_PREVIEW || $data['isBinary'] || $data['attachmentSize'] == 0) {
return '';
}
$content = '';
try {
$file = new File(WCF_DIR . 'attachments/attachment-' . $data['attachmentID'], 'rb');
$content = $file->read(2003);
$file->close();
if (CHARSET == 'UTF-8') {
if (!StringUtil::isASCII($content) && !StringUtil::isUTF8($content)) {
$content = StringUtil::convertEncoding('ISO-8859-1', CHARSET, $content);
}
$content = StringUtil::substring($content, 0, 500);
if (strlen($content) < $file->filesize()) {
$content .= '...';
}
} else {
if (StringUtil::isUTF8($content)) {
return '';
}
$content = StringUtil::substring($content, 0, 500);
if ($file->filesize() > 500) {
$content .= '...';
}
}
} catch (Exception $e) {
}
// ignore errors
return $content;
}
/**
* Returns an abstract of the file content.
*
* @return string
*/
public function getContentPreview()
{
if ($this->contentPreview === null) {
$this->contentPreview = '';
if (ATTACHMENT_ENABLE_CONTENT_PREVIEW && !$this->isBinary && $this->attachmentSize != 0) {
try {
$file = new File(WCF_DIR . 'attachments/attachment-' . $this->attachmentID, 'rb');
$this->contentPreview = $file->read(2003);
$file->close();
if (CHARSET == 'UTF-8') {
if (!StringUtil::isASCII($this->contentPreview) && !StringUtil::isUTF8($this->contentPreview)) {
$this->contentPreview = StringUtil::convertEncoding('ISO-8859-1', CHARSET, $this->contentPreview);
}
$this->contentPreview = StringUtil::substring($this->contentPreview, 0, 500);
if (strlen($this->contentPreview) < $file->filesize()) {
$this->contentPreview .= '...';
}
} else {
if (StringUtil::isUTF8($this->contentPreview)) {
$this->contentPreview = '';
} else {
$this->contentPreview = StringUtil::substring($this->contentPreview, 0, 500);
if ($file->filesize() > 500) {
$this->contentPreview .= '...';
}
}
}
} catch (Exception $e) {
}
// ignore errors
}
}
return $this->contentPreview;
}
/**
* Parses search keywords.
*
* @param string $keywordString
*/
protected static function parseKeywords($keywordString)
{
// convert encoding if necessary
if (CHARSET == 'UTF-8' && !StringUtil::isASCII($keywordString) && !StringUtil::isUTF8($keywordString)) {
$keywordString = StringUtil::convertEncoding('ISO-8859-1', 'UTF-8', $keywordString);
}
// remove bad wildcards
$keywordString = preg_replace('/(?<!\\w)\\*/', '', $keywordString);
// remove search operators
$keywordString = preg_replace('/[\\+\\-><()~]+/', '', $keywordString);
if (StringUtil::substring($keywordString, 0, 1) == '"' && StringUtil::substring($keywordString, -1) == '"') {
// phrases search
$keywordString = StringUtil::trim(StringUtil::substring($keywordString, 1, -1));
if (!empty($keywordString)) {
self::$keywords = array_merge(self::$keywords, array(StringUtil::encodeHTML($keywordString)));
}
} else {
// replace word delimiters by space
$keywordString = preg_replace('/[.,]/', ' ', $keywordString);
$keywords = ArrayUtil::encodeHTML(ArrayUtil::trim(explode(' ', $keywordString)));
if (count($keywords) > 0) {
self::$keywords = array_merge(self::$keywords, $keywords);
}
}
}
/**
* Validates the node for correctness.
*
* The following options are supported:
* - Node::REPAIR - If something is broken, and automatic repair may
* be attempted.
*
* An array is returned with warnings.
*
* Every item in the array has the following properties:
* * level - (number between 1 and 3 with severity information)
* * message - (human readable message)
* * node - (reference to the offending node)
*
* @param int $options
* @return array
*/
public function validate($options = 0)
{
$warnings = array();
// Checking if our value is UTF-8
if (!StringUtil::isUTF8($this->getRawMimeDirValue())) {
$oldValue = $this->getRawMimeDirValue();
$level = 3;
if ($options & self::REPAIR) {
$newValue = StringUtil::convertToUTF8($oldValue);
if (true || StringUtil::isUTF8($newValue)) {
$this->setRawMimeDirValue($newValue);
$level = 1;
}
}
if (preg_match('%([\\x00-\\x08\\x0B-\\x0C\\x0E\\x0F])%', $oldValue, $matches)) {
$message = 'Property contained a control character (0x' . bin2hex($matches[1]) . ')';
} else {
$message = 'Property is not valid UTF-8! ' . $oldValue;
}
$warnings[] = array('level' => $level, 'message' => $message, 'node' => $this);
}
// Checking if the propertyname does not contain any invalid bytes.
if (!preg_match('/^([A-Z0-9-]+)$/', $this->name)) {
$warnings[] = array('level' => 1, 'message' => 'The propertyname: ' . $this->name . ' contains invalid characters. Only A-Z, 0-9 and - are allowed', 'node' => $this);
if ($options & self::REPAIR) {
// Uppercasing and converting underscores to dashes.
$this->name = strtoupper(str_replace('_', '-', $this->name));
// Removing every other invalid character
$this->name = preg_replace('/([^A-Z0-9-])/u', '', $this->name);
}
}
// Validating inner parameters
foreach ($this->parameters as $param) {
$warnings = array_merge($warnings, $param->validate($options));
}
return $warnings;
}
/**
* Validates the node for correctness.
*
* The following options are supported:
* - Node::REPAIR - If something is broken, and automatic repair may
* be attempted.
*
* An array is returned with warnings.
*
* Every item in the array has the following properties:
* * level - (number between 1 and 3 with severity information)
* * message - (human readable message)
* * node - (reference to the offending node)
*
* @param int $options
* @return array
*/
public function validate($options = 0)
{
$warnings = array();
// Checking if our value is UTF-8
if (!StringUtil::isUTF8($this->value)) {
$warnings[] = array('level' => 1, 'message' => 'Property is not valid UTF-8!', 'node' => $this);
if ($options & self::REPAIR) {
$this->value = StringUtil::convertToUTF8($this->value);
}
}
// Checking if the propertyname does not contain any invalid bytes.
if (!preg_match('/^([A-Z0-9-]+)$/', $this->name)) {
$warnings[] = array('level' => 1, 'message' => 'The propertyname: ' . $this->name . ' contains invalid characters. Only A-Z, 0-9 and - are allowed', 'node' => $this);
if ($options & self::REPAIR) {
// Uppercasing and converting underscores to dashes.
$this->name = strtoupper(str_replace('_', '-', $this->name));
// Removing every other invalid character
$this->name = preg_replace('/([^A-Z0-9-])/u', '', $this->name);
}
}
// Validating inner parameters
foreach ($this->parameters as $param) {
$warnings = array_merge($warnings, $param->validate($options));
}
return $warnings;
}
function testUTF8ControlChar()
{
$string = StringUtil::isUTF8(chr('0x00'));
$this->assertEquals(false, $string);
}
/**
* Validates the node for correctness.
*
* The following options are supported:
* - Node::REPAIR - If something is broken, and automatic repair may
* be attempted.
*
* An array is returned with warnings.
*
* Every item in the array has the following properties:
* * level - (number between 1 and 3 with severity information)
* * message - (human readable message)
* * node - (reference to the offending node)
*
* @param int $options
* @return array
*/
function validate($options = 0)
{
$warnings = array();
// Checking if our value is UTF-8
if (!StringUtil::isUTF8($this->getRawMimeDirValue())) {
$oldValue = $this->getRawMimeDirValue();
$level = 3;
if ($options & self::REPAIR) {
$newValue = StringUtil::convertToUTF8($oldValue);
if (true || StringUtil::isUTF8($newValue)) {
$this->setRawMimeDirValue($newValue);
$level = 1;
}
}
if (preg_match('%([\\x00-\\x08\\x0B-\\x0C\\x0E-\\x1F\\x7F])%', $oldValue, $matches)) {
$message = 'Property contained a control character (0x' . bin2hex($matches[1]) . ')';
} else {
$message = 'Property is not valid UTF-8! ' . $oldValue;
}
$warnings[] = array('level' => $level, 'message' => $message, 'node' => $this);
}
// Checking if the propertyname does not contain any invalid bytes.
if (!preg_match('/^([A-Z0-9-]+)$/', $this->name)) {
$warnings[] = array('level' => 1, 'message' => 'The propertyname: ' . $this->name . ' contains invalid characters. Only A-Z, 0-9 and - are allowed', 'node' => $this);
if ($options & self::REPAIR) {
// Uppercasing and converting underscores to dashes.
$this->name = strtoupper(str_replace('_', '-', $this->name));
// Removing every other invalid character
$this->name = preg_replace('/([^A-Z0-9-])/u', '', $this->name);
}
}
if ($encoding = $this->offsetGet('ENCODING')) {
if ($this->root->getDocumentType() === Document::VCARD40) {
$warnings[] = array('level' => 1, 'message' => 'ENCODING parameter is not valid in vCard 4.', 'node' => $this);
} else {
$encoding = (string) $encoding;
$allowedEncoding = array();
switch ($this->root->getDocumentType()) {
case Document::ICALENDAR20:
$allowedEncoding = array('8BIT', 'BASE64');
break;
case Document::VCARD21:
$allowedEncoding = array('QUOTED-PRINTABLE', 'BASE64', '8BIT');
break;
case Document::VCARD30:
$allowedEncoding = array('B');
break;
}
if ($allowedEncoding && !in_array(strtoupper($encoding), $allowedEncoding)) {
$warnings[] = array('level' => 1, 'message' => 'ENCODING=' . strtoupper($encoding) . ' is not valid for this document type.', 'node' => $this);
}
}
}
// Validating inner parameters
foreach ($this->parameters as $param) {
$warnings = array_merge($warnings, $param->validate($options));
}
return $warnings;
}
