/**
* Tries to parse the given file as a KeePass XML key file.
* @param string $filename The name of the file to parse.
* @return boolean Returns true in case of success, false otherwise.
*/
private function tryParseXML($filename)
{
$xml = new XMLStackReader();
if (!$xml->open($filename)) {
return false;
}
$parents = array(self::XML_ROOT, self::XML_KEY, self::XML_DATA);
if ($xml->readUntilParentsBe($parents)) {
if ($xml->isTextInside()) {
$this->hash = base64_decode($xml->r->value);
$xml->close();
return true;
}
}
$xml->close();
return false;
}
/**
* Tries to parse the given string $xmlsource, assumed to be data formatted
* in XML, with the format of a KeePass 2.x database. Returns true
* if the parsing succeeds, or false otherwise ; in case of success,
* the attribute $this->entries will contain the result of the parsing,
* as an array of entries.
* @param string $xmlsource
* @return boolean
*/
private function tryXMLParse($xmlsource)
{
$xml = new XMLStackReader();
if (!$xml->XML($xmlsource)) {
$xml->close();
return false;
}
if (!$xml->read() || $xml->r->name != self::XML_FILEROOT) {
$xml->close();
return false;
}
$expectedParentsMeta = array(self::XML_FILEROOT, self::XML_META);
if (!$xml->readUntilParentsBe($expectedParentsMeta)) {
$xml->close();
return false;
}
$isHeaderChecked = false;
$d = $xml->r->depth;
while ($xml->isInSubtree($d)) {
if ($xml->r->name == self::XML_HEADERHASH) {
$hash = base64_decode($this->readTextValueFromXML($xml));
if (strcmp($hash, $this->header->headerHash) != 0) {
KeePassPHP::printDebug("Bad HeaderHash !");
}
$isHeaderChecked = true;
} elseif ($xml->r->name == self::XML_CUSTOMICONS) {
foreach ($xml->readInnerXML($xml->r->depth) as $icon) {
$uuid = null;
$data = null;
if ($icon[XMLStackReader::NODENAME] == self::XML_ICON && $this->tryReadTextValueFromArray($icon[XMLStackReader::INNER], self::XML_UUID, $uuid) && $this->tryReadTextValueFromArray($icon[XMLStackReader::INNER], self::XML_ICON_DATA, $data)) {
$this->icons->addIcon($uuid, $data);
}
}
}
}
if (!$isHeaderChecked) {
KeePassPHP::printDebug("Did not found HeaderHash text node...");
}
$this->rawEntries = array();
$expectedParents = array(self::XML_GROUP, self::XML_ENTRY);
while ($xml->readUntilParentsBe($expectedParents)) {
$entry = array();
$d = $xml->r->depth;
while ($xml->isInSubtree($d)) {
if ($xml->r->name == self::XML_UUID) {
$entry[self::XML_UUID] = bin2hex(base64_decode($this->readTextValueFromXML($xml)));
} elseif ($xml->r->name == self::XML_CUSTOMICONUUID) {
$entry[self::XML_CUSTOMICONUUID] = $this->readTextValueFromXML($xml);
} elseif ($xml->r->name == self::XML_TAGS) {
$entry[self::XML_TAGS] = $this->readTextValueFromXML($xml);
} elseif ($xml->r->name == self::XML_STRING) {
$key = null;
$value = null;
$isHistory = $xml->isAncestor(self::XML_HISTORY);
$inner = $xml->readInnerXML($xml->r->depth);
if ($this->tryReadTextValueFromArray($inner, self::XML_STRING_VALUE, $value) && $this->tryReadTextValueFromArray($inner, self::XML_STRING_KEY, $key)) {
if ($key != null && $value != null && !$isHistory) {
$entry[$key] = $value;
}
}
}
}
if (count($entry) > 0) {
array_push($this->rawEntries, $entry);
}
}
$xml->close();
return true;
}
