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<?php if (!defined('PHPEXCEL_ROOT')) { /** * @ignore */ define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../'); require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php'); } /** * PHPExcel_Reader_HTML * * Copyright (c) 2006 - 2015 PHPExcel * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * @category PHPExcel * @package PHPExcel_Reader * @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel) * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL * @version ##VERSION##, ##DATE## */ /** PHPExcel root directory */ class PHPExcel_Reader_HTML extends PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader { /** * Input encoding * * @var string */ protected $inputEncoding = 'ANSI'; /** * Sheet index to read * * @var int */ protected $sheetIndex = 0; /** * Formats * * @var array */ protected $formats = array( 'h1' => array( 'font' => array( 'bold' => true, 'size' => 24, ), ), // Bold, 24pt 'h2' => array( 'font' => array( 'bold' => true, 'size' => 18, ), ), // Bold, 18pt 'h3' => array( 'font' => array( 'bold' => true, 'size' => 13.5, ), ), // Bold, 13.5pt 'h4' => array( 'font' => array( 'bold' => true, 'size' => 12, ), ), // Bold, 12pt 'h5' => array( 'font' => array( 'bold' => true, 'size' => 10, ), ), // Bold, 10pt 'h6' => array( 'font' => array( 'bold' => true, 'size' => 7.5, ), ), // Bold, 7.5pt 'a' => array( 'font' => array( 'underline' => true, 'color' => array( 'argb' => PHPExcel_Style_Color::COLOR_BLUE, ), ), ), // Blue underlined 'hr' => array( 'borders' => array( 'bottom' => array( 'style' => PHPExcel_Style_Border::BORDER_THIN, 'color' => array( PHPExcel_Style_Color::COLOR_BLACK, ), ), ), ), // Bottom border ); protected $rowspan = array(); /** * Create a new PHPExcel_Reader_HTML */ public function __construct() { $this->readFilter = new PHPExcel_Reader_DefaultReadFilter(); } /** * Validate that the current file is an HTML file * * @return boolean */ protected function isValidFormat() { // Reading 2048 bytes should be enough to validate that the format is HTML $data = fread($this->fileHandle, 2048); if ((strpos($data, '<') !== false) && (strlen($data) !== strlen(strip_tags($data)))) { return true; } return false; } /** * Loads PHPExcel from file * * @param string $pFilename * @return PHPExcel * @throws PHPExcel_Reader_Exception */ public function load($pFilename) { // Create new PHPExcel $objPHPExcel = new PHPExcel(); // Load into this instance return $this->loadIntoExisting($pFilename, $objPHPExcel); } /** * Set input encoding * * @param string $pValue Input encoding */ public function setInputEncoding($pValue = 'ANSI') { $this->inputEncoding = $pValue; return $this; } /** * Get input encoding * * @return string */ public function getInputEncoding() { return $this->inputEncoding; } // Data Array used for testing only, should write to PHPExcel object on completion of tests protected $dataArray = array(); protected $tableLevel = 0; protected $nestedColumn = array('A'); protected function setTableStartColumn($column) { if ($this->tableLevel == 0) { $column = 'A'; } ++$this->tableLevel; $this->nestedColumn[$this->tableLevel] = $column; return $this->nestedColumn[$this->tableLevel]; } protected function getTableStartColumn() { return $this->nestedColumn[$this->tableLevel]; } protected function releaseTableStartColumn() { --$this->tableLevel; return array_pop($this->nestedColumn); } protected function flushCell($sheet, $column, $row, &$cellContent) { if (is_string($cellContent)) { // Simple String content if (trim($cellContent) > '') { // Only actually write it if there's content in the string // echo 'FLUSH CELL: ' , $column , $row , ' => ' , $cellContent , '<br />'; // Write to worksheet to be done here... // ... we return the cell so we can mess about with styles more easily $sheet->setCellValue($column . $row, $cellContent, true); $this->dataArray[$row][$column] = $cellContent; } } else { // We have a Rich Text run // TODO $this->dataArray[$row][$column] = 'RICH TEXT: ' . $cellContent; } $cellContent = (string) ''; } protected function processDomElement(DOMNode $element, $sheet, &$row, &$column, &$cellContent, $format = null) { foreach ($element->childNodes as $child) { if ($child instanceof DOMText) { $domText = preg_replace('/\s+/u', ' ', trim($child->nodeValue)); if (is_string($cellContent)) { // simply append the text if the cell content is a plain text string $cellContent .= $domText; } else { // but if we have a rich text run instead, we need to append it correctly // TODO } } elseif ($child instanceof DOMElement) { // echo '<b>DOM ELEMENT: </b>' , strtoupper($child->nodeName) , '<br />'; $attributeArray = array(); foreach ($child->attributes as $attribute) { // echo '<b>ATTRIBUTE: </b>' , $attribute->name , ' => ' , $attribute->value , '<br />'; $attributeArray[$attribute->name] = $attribute->value; } switch ($child->nodeName) { case 'meta': foreach ($attributeArray as $attributeName => $attributeValue) { switch ($attributeName) { case 'content': // TODO // Extract character set, so we can convert to UTF-8 if required break; } } $this->processDomElement($child, $sheet, $row, $column, $cellContent); break; case 'title': $this->processDomElement($child, $sheet, $row, $column, $cellContent); $sheet->setTitle($cellContent); $cellContent = ''; break; case 'span': case 'div': case 'font': case 'i': case 'em': case 'strong': case 'b': // echo 'STYLING, SPAN OR DIV<br />'; if ($cellContent > '') { $cellContent .= ' '; } $this->processDomElement($child, $sheet, $row, $column, $cellContent); if ($cellContent > '') { $cellContent .= ' '; } // echo 'END OF STYLING, SPAN OR DIV<br />'; break; case 'hr': $this->flushCell($sheet, $column, $row, $cellContent); ++$row; if (isset($this->formats[$child->nodeName])) { $sheet->getStyle($column . $row)->applyFromArray($this->formats[$child->nodeName]); } else { $cellContent = '----------'; $this->flushCell($sheet, $column, $row, $cellContent); } ++$row; // Add a break after a horizontal rule, simply by allowing the code to dropthru case 'br': if ($this->tableLevel > 0) { // If we're inside a table, replace with a \n $cellContent .= "\n"; } else { // Otherwise flush our existing content and move the row cursor on $this->flushCell($sheet, $column, $row, $cellContent); ++$row; } // echo 'HARD LINE BREAK: ' , '<br />'; break; case 'a': // echo 'START OF HYPERLINK: ' , '<br />'; foreach ($attributeArray as $attributeName => $attributeValue) { switch ($attributeName) { case 'href': // echo 'Link to ' , $attributeValue , '<br />'; $sheet->getCell($column . $row)->getHyperlink()->setUrl($attributeValue); if (isset($this->formats[$child->nodeName])) { $sheet->getStyle($column . $row)->applyFromArray($this->formats[$child->nodeName]); } break; } } $cellContent .= ' '; $this->processDomElement($child, $sheet, $row, $column, $cellContent); // echo 'END OF HYPERLINK:' , '<br />'; break; case 'h1': case 'h2': case 'h3': case 'h4': case 'h5': case 'h6': case 'ol': case 'ul': case 'p': if ($this->tableLevel > 0) { // If we're inside a table, replace with a \n $cellContent .= "\n"; // echo 'LIST ENTRY: ' , '<br />'; $this->processDomElement($child, $sheet, $row, $column, $cellContent); // echo 'END OF LIST ENTRY:' , '<br />'; } else { if ($cellContent > '') { $this->flushCell($sheet, $column, $row, $cellContent); $row++; } // echo 'START OF PARAGRAPH: ' , '<br />'; $this->processDomElement($child, $sheet, $row, $column, $cellContent); // echo 'END OF PARAGRAPH:' , '<br />'; $this->flushCell($sheet, $column, $row, $cellContent); if (isset($this->formats[$child->nodeName])) { $sheet->getStyle($column . $row)->applyFromArray($this->formats[$child->nodeName]); } $row++; $column = 'A'; } break; case 'li': if ($this->tableLevel > 0) { // If we're inside a table, replace with a \n $cellContent .= "\n"; // echo 'LIST ENTRY: ' , '<br />'; $this->processDomElement($child, $sheet, $row, $column, $cellContent); // echo 'END OF LIST ENTRY:' , '<br />'; } else { if ($cellContent > '') { $this->flushCell($sheet, $column, $row, $cellContent); } ++$row; // echo 'LIST ENTRY: ' , '<br />'; $this->processDomElement($child, $sheet, $row, $column, $cellContent); // echo 'END OF LIST ENTRY:' , '<br />'; $this->flushCell($sheet, $column, $row, $cellContent); $column = 'A'; } break; case 'table': $this->flushCell($sheet, $column, $row, $cellContent); $column = $this->setTableStartColumn($column); // echo 'START OF TABLE LEVEL ' , $this->tableLevel , '<br />'; if ($this->tableLevel > 1) { --$row; } $this->processDomElement($child, $sheet, $row, $column, $cellContent); // echo 'END OF TABLE LEVEL ' , $this->tableLevel , '<br />'; $column = $this->releaseTableStartColumn(); if ($this->tableLevel > 1) { ++$column; } else { ++$row; } break; case 'thead': case 'tbody': $this->processDomElement($child, $sheet, $row, $column, $cellContent); break; case 'tr': $column = $this->getTableStartColumn(); $cellContent = ''; // echo 'START OF TABLE ' , $this->tableLevel , ' ROW<br />'; $this->processDomElement($child, $sheet, $row, $column, $cellContent); ++$row; // echo 'END OF TABLE ' , $this->tableLevel , ' ROW<br />'; break; case 'th': case 'td': // echo 'START OF TABLE ' , $this->tableLevel , ' CELL<br />'; $this->processDomElement($child, $sheet, $row, $column, $cellContent); // echo 'END OF TABLE ' , $this->tableLevel , ' CELL<br />'; while (isset($this->rowspan[$column . $row])) { ++$column; } $this->flushCell($sheet, $column, $row, $cellContent); // if (isset($attributeArray['style']) && !empty($attributeArray['style'])) { // $styleAry = $this->getPhpExcelStyleArray($attributeArray['style']); // // if (!empty($styleAry)) { // $sheet->getStyle($column . $row)->applyFromArray($styleAry); // } // } if (isset($attributeArray['rowspan']) && isset($attributeArray['colspan'])) { //create merging rowspan and colspan $columnTo = $column; for ($i = 0; $i < $attributeArray['colspan'] - 1; $i++) { ++$columnTo; } $range = $column . $row . ':' . $columnTo . ($row + $attributeArray['rowspan'] - 1); foreach (\PHPExcel_Cell::extractAllCellReferencesInRange($range) as $value) { $this->rowspan[$value] = true; } $sheet->mergeCells($range); $column = $columnTo; } elseif (isset($attributeArray['rowspan'])) { //create merging rowspan $range = $column . $row . ':' . $column . ($row + $attributeArray['rowspan'] - 1); foreach (\PHPExcel_Cell::extractAllCellReferencesInRange($range) as $value) { $this->rowspan[$value] = true; } $sheet->mergeCells($range); } elseif (isset($attributeArray['colspan'])) { //create merging colspan $columnTo = $column; for ($i = 0; $i < $attributeArray['colspan'] - 1; $i++) { ++$columnTo; } $sheet->mergeCells($column . $row . ':' . $columnTo . $row); $column = $columnTo; } ++$column; break; case 'body': $row = 1; $column = 'A'; $content = ''; $this->tableLevel = 0; $this->processDomElement($child, $sheet, $row, $column, $cellContent); break; default: $this->processDomElement($child, $sheet, $row, $column, $cellContent); } } } } /** * Loads PHPExcel from file into PHPExcel instance * * @param string $pFilename * @param PHPExcel $objPHPExcel * @return PHPExcel * @throws PHPExcel_Reader_Exception */ public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel) { // Open file to validate $this->openFile($pFilename); if (!$this->isValidFormat()) { fclose($this->fileHandle); throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid HTML file."); } // Close after validating fclose($this->fileHandle); // Create new PHPExcel while ($objPHPExcel->getSheetCount() <= $this->sheetIndex) { $objPHPExcel->createSheet(); } $objPHPExcel->setActiveSheetIndex($this->sheetIndex); // Create a new DOM object $dom = new domDocument; // Reload the HTML file into the DOM object $loaded = $dom->loadHTML(mb_convert_encoding($this->securityScanFile($pFilename), 'HTML-ENTITIES', 'UTF-8')); if ($loaded === false) { throw new PHPExcel_Reader_Exception('Failed to load ' . $pFilename . ' as a DOM Document'); } // Discard white space $dom->preserveWhiteSpace = false; $row = 0; $column = 'A'; $content = ''; $this->processDomElement($dom, $objPHPExcel->getActiveSheet(), $row, $column, $content); // Return return $objPHPExcel; } /** * Get sheet index * * @return int */ public function getSheetIndex() { return $this->sheetIndex; } /** * Set sheet index * * @param int $pValue Sheet index * @return PHPExcel_Reader_HTML */ public function setSheetIndex($pValue = 0) { $this->sheetIndex = $pValue; return $this; } /** * Scan theXML for use of <!ENTITY to prevent XXE/XEE attacks * * @param string $xml * @throws PHPExcel_Reader_Exception */ public function securityScan($xml) { $pattern = '/\\0?' . implode('\\0?', str_split('<!ENTITY')) . '\\0?/'; if (preg_match($pattern, $xml)) { throw new PHPExcel_Reader_Exception('Detected use of ENTITY in XML, spreadsheet file load() aborted to prevent XXE/XEE attacks'); } return $xml; } }
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