/**
* Detect if document pointed to by $ps_filepath is a valid Word, Excel or PowerPoint XML (OpenOffice) document.
*
* @param string $ps_filepath The path to the file to analyze
* @param string $ps_sig The signature (first 9 bytes) of the file
* @return string WORD if the document is a Word doc, EXCEL if the document is an Excel doc, PPT if it is a PowerPoint doc or boolean false if it's not a valid Word or Excel XML (OpenOffice) file
*/
private function isWordExcelorPPTXMLdoc($ps_filepath, $ps_sig)
{
if (substr($ps_sig, 0, 2) == 'PK') {
$o_unzip = new UnZipFile($ps_filepath);
if (is_array($va_list = $o_unzip->getFileList())) {
foreach ($va_list as $vs_file => $vn_size) {
if (substr($vs_file, 0, 5) == 'word/') {
try {
$o_doc = Zend_Search_Lucene_Document_Docx::loadDocxFile($ps_filepath);
$this->opa_metadata = array('WORD' => array('title' => $o_doc->getFieldUtf8Value('title'), 'subject' => $o_doc->getFieldUtf8Value('subject'), 'creator' => $o_doc->getFieldUtf8Value('creator'), 'created' => $o_doc->getFieldUtf8Value('created'), 'modified' => $o_doc->getFieldUtf8Value('modified')));
$this->handle['content'] = $o_doc->getFieldUtf8Value('body');
} catch (Exception $e) {
// noop
}
return 'WORD';
}
if (substr($vs_file, 0, 3) == 'xl/') {
try {
$o_doc = Zend_Search_Lucene_Document_Xlsx::loadXlsxFile($ps_filepath);
$this->opa_metadata = array('EXCEL' => array('title' => $o_doc->getFieldUtf8Value('title'), 'creator' => $o_doc->getFieldUtf8Value('creator'), 'created' => $o_doc->getFieldUtf8Value('created'), 'modified' => $o_doc->getFieldUtf8Value('modified')));
$this->handle['content'] = $o_doc->getFieldUtf8Value('body');
} catch (Exception $e) {
// noop
}
return 'EXCEL';
}
if (substr($vs_file, 0, 4) == 'ppt/') {
try {
$o_doc = Zend_Search_Lucene_Document_Pptx::loadPptxFile($ps_filepath);
$this->opa_metadata = array('PPT' => array('title' => $o_doc->getFieldUtf8Value('title'), 'creator' => $o_doc->getFieldUtf8Value('creator'), 'created' => $o_doc->getFieldUtf8Value('created'), 'modified' => $o_doc->getFieldUtf8Value('modified')));
$this->handle['content'] = $o_doc->getFieldUtf8Value('body');
} catch (Exception $e) {
// noop
}
return 'PPT';
}
}
}
return false;
}
return false;
}
