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diff --git a/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Pdf/Pdf.php b/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Pdf/Pdf.php
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+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * PDF schema handling
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Plugins\Schema\Pdf;
+
+use PhpMyAdmin\Pdf as PdfLib;
+use PhpMyAdmin\Relation;
+use PhpMyAdmin\Util;
+
+/**
+ * Skip the plugin if TCPDF is not available.
+ */
+if (! class_exists('TCPDF')) {
+ $GLOBALS['skip_import'] = true;
+ return;
+}
+
+/**
+ * block attempts to directly run this script
+ */
+if (getcwd() == __DIR__) {
+ die('Attack stopped');
+}
+
+/**
+ * Extends the "TCPDF" class and helps
+ * in developing the structure of PDF Schema Export
+ *
+ * @access public
+ * @package PhpMyAdmin
+ * @see TCPDF
+ */
+class Pdf extends PdfLib
+{
+ /**
+ * Defines properties
+ */
+ public $_xMin;
+ public $_yMin;
+ public $leftMargin = 10;
+ public $topMargin = 10;
+ public $scale;
+ public $PMA_links;
+ public $Outlines = [];
+ public $def_outlines;
+ public $widths;
+ public $cMargin;
+ private $_ff = PdfLib::PMA_PDF_FONT;
+ private $_offline;
+ private $_pageNumber;
+ private $_withDoc;
+ private $_db;
+
+ /**
+ * @var Relation
+ */
+ private $relation;
+
+ /**
+ * Constructs PDF for schema export.
+ *
+ * @param string $orientation page orientation
+ * @param string $unit unit
+ * @param string $paper the format used for pages
+ * @param int $pageNumber schema page number that is being exported
+ * @param boolean $withDoc with document dictionary
+ * @param string $db the database name
+ *
+ * @access public
+ */
+ public function __construct(
+ $orientation,
+ $unit,
+ $paper,
+ $pageNumber,
+ $withDoc,
+ $db
+ ) {
+ parent::__construct($orientation, $unit, $paper);
+ $this->_pageNumber = $pageNumber;
+ $this->_withDoc = $withDoc;
+ $this->_db = $db;
+ $this->relation = new Relation($GLOBALS['dbi']);
+ }
+
+ /**
+ * Sets the value for margins
+ *
+ * @param float $c_margin margin
+ *
+ * @return void
+ */
+ public function setCMargin($c_margin)
+ {
+ $this->cMargin = $c_margin;
+ }
+
+ /**
+ * Sets the scaling factor, defines minimum coordinates and margins
+ *
+ * @param float|int $scale The scaling factor
+ * @param float|int $xMin The minimum X coordinate
+ * @param float|int $yMin The minimum Y coordinate
+ * @param float|int $leftMargin The left margin
+ * @param float|int $topMargin The top margin
+ *
+ * @return void
+ */
+ public function setScale(
+ $scale = 1,
+ $xMin = 0,
+ $yMin = 0,
+ $leftMargin = -1,
+ $topMargin = -1
+ ) {
+ $this->scale = $scale;
+ $this->_xMin = $xMin;
+ $this->_yMin = $yMin;
+ if ($this->leftMargin != -1) {
+ $this->leftMargin = $leftMargin;
+ }
+ if ($this->topMargin != -1) {
+ $this->topMargin = $topMargin;
+ }
+ }
+
+ /**
+ * Outputs a scaled cell
+ *
+ * @param float|int $w The cell width
+ * @param float|int $h The cell height
+ * @param string $txt The text to output
+ * @param mixed $border Whether to add borders or not
+ * @param integer $ln Where to put the cursor once the output is done
+ * @param string $align Align mode
+ * @param integer $fill Whether to fill the cell with a color or not
+ * @param string $link Link
+ *
+ * @return void
+ *
+ * @see TCPDF::Cell()
+ */
+ public function cellScale(
+ $w,
+ $h = 0,
+ $txt = '',
+ $border = 0,
+ $ln = 0,
+ $align = '',
+ $fill = 0,
+ $link = ''
+ ) {
+ $h /= $this->scale;
+ $w /= $this->scale;
+ $this->Cell($w, $h, $txt, $border, $ln, $align, $fill, $link);
+ }
+
+ /**
+ * Draws a scaled line
+ *
+ * @param float $x1 The horizontal position of the starting point
+ * @param float $y1 The vertical position of the starting point
+ * @param float $x2 The horizontal position of the ending point
+ * @param float $y2 The vertical position of the ending point
+ *
+ * @return void
+ *
+ * @see TCPDF::Line()
+ */
+ public function lineScale($x1, $y1, $x2, $y2)
+ {
+ $x1 = ($x1 - $this->_xMin) / $this->scale + $this->leftMargin;
+ $y1 = ($y1 - $this->_yMin) / $this->scale + $this->topMargin;
+ $x2 = ($x2 - $this->_xMin) / $this->scale + $this->leftMargin;
+ $y2 = ($y2 - $this->_yMin) / $this->scale + $this->topMargin;
+ $this->Line($x1, $y1, $x2, $y2);
+ }
+
+ /**
+ * Sets x and y scaled positions
+ *
+ * @param float $x The x position
+ * @param float $y The y position
+ *
+ * @return void
+ *
+ * @see TCPDF::SetXY()
+ */
+ public function setXyScale($x, $y)
+ {
+ $x = ($x - $this->_xMin) / $this->scale + $this->leftMargin;
+ $y = ($y - $this->_yMin) / $this->scale + $this->topMargin;
+ $this->SetXY($x, $y);
+ }
+
+ /**
+ * Sets the X scaled positions
+ *
+ * @param float $x The x position
+ *
+ * @return void
+ *
+ * @see TCPDF::SetX()
+ */
+ public function setXScale($x)
+ {
+ $x = ($x - $this->_xMin) / $this->scale + $this->leftMargin;
+ $this->SetX($x);
+ }
+
+ /**
+ * Sets the scaled font size
+ *
+ * @param float $size The font size (in points)
+ *
+ * @return void
+ *
+ * @see TCPDF::SetFontSize()
+ */
+ public function setFontSizeScale($size)
+ {
+ // Set font size in points
+ $size /= $this->scale;
+ $this->SetFontSize($size);
+ }
+
+ /**
+ * Sets the scaled line width
+ *
+ * @param float $width The line width
+ *
+ * @return void
+ *
+ * @see TCPDF::SetLineWidth()
+ */
+ public function setLineWidthScale($width)
+ {
+ $width /= $this->scale;
+ $this->SetLineWidth($width);
+ }
+
+ /**
+ * This method is used to render the page header.
+ *
+ * @return void
+ *
+ * @see TCPDF::Header()
+ */
+ // @codingStandardsIgnoreLine
+ public function Header()
+ {
+ // We only show this if we find something in the new pdf_pages table
+
+ // This function must be named "Header" to work with the TCPDF library
+ if ($this->_withDoc) {
+ if ($this->_offline || $this->_pageNumber == -1) {
+ $pg_name = __("PDF export page");
+ } else {
+ $test_query = 'SELECT * FROM '
+ . Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
+ . Util::backquote($GLOBALS['cfgRelation']['pdf_pages'])
+ . ' WHERE db_name = \'' . $GLOBALS['dbi']->escapeString($this->_db)
+ . '\' AND page_nr = \'' . $this->_pageNumber . '\'';
+ $test_rs = $this->relation->queryAsControlUser($test_query);
+ $pages = @$GLOBALS['dbi']->fetchAssoc($test_rs);
+ $pg_name = ucfirst($pages['page_descr']);
+ }
+
+ $this->SetFont($this->_ff, 'B', 14);
+ $this->Cell(0, 6, $pg_name, 'B', 1, 'C');
+ $this->SetFont($this->_ff, '');
+ $this->Ln();
+ }
+ }
+
+ /**
+ * This function must be named "Footer" to work with the TCPDF library
+ *
+ * @return void
+ *
+ * @see PDF::Footer()
+ */
+ // @codingStandardsIgnoreLine
+ public function Footer()
+ {
+ if ($this->_withDoc) {
+ parent::Footer();
+ }
+ }
+
+ /**
+ * Sets widths
+ *
+ * @param array $w array of widths
+ *
+ * @return void
+ */
+ public function setWidths(array $w)
+ {
+ // column widths
+ $this->widths = $w;
+ }
+
+ /**
+ * Generates table row.
+ *
+ * @param array $data Data for table
+ * @param array $links Links for table cells
+ *
+ * @return void
+ */
+ public function row(array $data, array $links)
+ {
+ // line height
+ $nb = 0;
+ $data_cnt = count($data);
+ for ($i = 0; $i < $data_cnt; $i++) {
+ $nb = max($nb, $this->numLines($this->widths[$i], $data[$i]));
+ }
+ $il = $this->FontSize;
+ $h = ($il + 1) * $nb;
+ // page break if necessary
+ $this->checkPageBreak($h);
+ // draw the cells
+ $data_cnt = count($data);
+ for ($i = 0; $i < $data_cnt; $i++) {
+ $w = $this->widths[$i];
+ // save current position
+ $x = $this->GetX();
+ $y = $this->GetY();
+ // draw the border
+ $this->Rect($x, $y, $w, $h);
+ if (isset($links[$i])) {
+ $this->Link($x, $y, $w, $h, $links[$i]);
+ }
+ // print text
+ $this->MultiCell($w, $il + 1, $data[$i], 0, 'L');
+ // go to right side
+ $this->SetXY($x + $w, $y);
+ }
+ // go to line
+ $this->Ln($h);
+ }
+
+ /**
+ * Compute number of lines used by a multicell of width w
+ *
+ * @param int $w width
+ * @param string $txt text
+ *
+ * @return int
+ */
+ public function numLines($w, $txt)
+ {
+ $cw = &$this->CurrentFont['cw'];
+ if ($w == 0) {
+ $w = $this->w - $this->rMargin - $this->x;
+ }
+ $wmax = ($w - 2 * $this->cMargin) * 1000 / $this->FontSize;
+ $s = str_replace("\r", '', $txt);
+ $nb = strlen($s);
+ if ($nb > 0 && $s[$nb - 1] == "\n") {
+ $nb--;
+ }
+ $sep = -1;
+ $i = 0;
+ $j = 0;
+ $l = 0;
+ $nl = 1;
+ while ($i < $nb) {
+ $c = $s[$i];
+ if ($c == "\n") {
+ $i++;
+ $sep = -1;
+ $j = $i;
+ $l = 0;
+ $nl++;
+ continue;
+ }
+ if ($c == ' ') {
+ $sep = $i;
+ }
+ $l += isset($cw[mb_ord($c)]) ? $cw[mb_ord($c)] : 0 ;
+ if ($l > $wmax) {
+ if ($sep == -1) {
+ if ($i == $j) {
+ $i++;
+ }
+ } else {
+ $i = $sep + 1;
+ }
+ $sep = -1;
+ $j = $i;
+ $l = 0;
+ $nl++;
+ } else {
+ $i++;
+ }
+ }
+ return $nl;
+ }
+
+ /**
+ * Set whether the document is generated from client side DB
+ *
+ * @param string $value whether offline
+ *
+ * @return void
+ *
+ * @access private
+ */
+ public function setOffline($value)
+ {
+ $this->_offline = $value;
+ }
+}