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<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik;
use Exception;
use Piwik\API\Request;
use Piwik\Container\StaticContainer;
use Piwik\DataTable\Row;
use Piwik\DataTable\Simple;
use Piwik\Plugins\ImageGraph\API;
/**
* A Report Renderer produces user friendly renderings of any given Piwik report.
* All new Renderers must be copied in ReportRenderer and added to the $availableReportRenderers.
*/
abstract class ReportRenderer extends \Piwik\BaseFactory
{
const DEFAULT_REPORT_FONT_FAMILY = 'dejavusans';
const REPORT_TEXT_COLOR = "13,13,13";
const REPORT_TITLE_TEXT_COLOR = "13,13,13";
const TABLE_HEADER_BG_COLOR = "255,255,255";
const TABLE_HEADER_TEXT_COLOR = "13,13,13";
const TABLE_HEADER_TEXT_TRANSFORM = "uppercase";
const TABLE_HEADER_TEXT_WEIGHT = "normal";
const TABLE_CELL_BORDER_COLOR = "217,217,217";
const TABLE_BG_COLOR = "242,242,242";
const HTML_FORMAT = 'html';
const PDF_FORMAT = 'pdf';
const CSV_FORMAT = 'csv';
const TSV_FORMAT = 'tsv';
protected $idSite = 'all';
protected $report;
private static $availableReportRenderers = [self::PDF_FORMAT, self::HTML_FORMAT, self::CSV_FORMAT, self::TSV_FORMAT];
/**
* Sets the site id
*
* @param int $idSite
*/
public function setIdSite($idSite)
{
$this->idSite = $idSite;
}
public function setReport($report)
{
$this->report = $report;
}
protected static function getClassNameFromClassId($rendererType)
{
return 'Piwik\\ReportRenderer\\' . self::normalizeRendererType($rendererType);
}
protected static function getInvalidClassIdExceptionMessage($rendererType)
{
return \Piwik\Piwik::translate('General_ExceptionInvalidReportRendererFormat', [self::normalizeRendererType($rendererType), implode(', ', self::$availableReportRenderers)]);
}
protected static function normalizeRendererType($rendererType)
{
return ucfirst(strtolower($rendererType));
}
/**
* Initialize locale settings.
* If not called, locale settings defaults to 'en'
*
* @param string $locale
*/
public abstract function setLocale($locale);
/**
* Save rendering to disk
*
* @param string $filename without path & without format extension
* @return string path of file
*/
public abstract function sendToDisk($filename);
/**
* Send rendering to browser with a 'download file' prompt
*
* @param string $filename without path & without format extension
*/
public abstract function sendToBrowserDownload($filename);
/**
* Output rendering to browser
*
* @param string $filename without path & without format extension
*/
public abstract function sendToBrowserInline($filename);
/**
* Get rendered report
*/
public abstract function getRenderedReport();
/**
* Generate the first page.
*
* @param string $reportTitle
* @param string $prettyDate formatted date
* @param string $description
* @param array $reportMetadata metadata for all reports
* @param array $segment segment applied to all reports
*/
public abstract function renderFrontPage($reportTitle, $prettyDate, $description, $reportMetadata, $segment);
/**
* Render the provided report.
* Multiple calls to this method before calling outputRendering appends each report content.
*
* @param array $processedReport @see API::getProcessedReport()
*/
public abstract function renderReport($processedReport);
/**
* Get report attachments, ex. graph images
*
* @param $report
* @param $processedReports
* @param $prettyDate
* @return array
*/
public abstract function getAttachments($report, $processedReports, $prettyDate);
/**
* Append $extension to $filename
*
* @static
* @param string $filename
* @param string $extension
* @return string filename with extension
*/
protected static function makeFilenameWithExtension($filename, $extension)
{
// the filename can be used in HTTP headers, remove new lines to prevent HTTP header injection
$filename = str_replace(["\n", "\t"], " ", $filename);
return $filename . "." . $extension;
}
/**
* Return $filename with temp directory and delete file
*
* @static
* @param $filename
* @return string path of file in temp directory
*/
protected static function getOutputPath($filename)
{
$baseAssetsDir = StaticContainer::get('path.tmp') . '/assets/';
$outputFilename = $baseAssetsDir . $filename;
if (!is_dir($baseAssetsDir)) {
\Piwik\Filesystem::mkdir($baseAssetsDir);
}
@chmod($outputFilename, 0600);
if (file_exists($outputFilename)) {
@unlink($outputFilename);
}
return $outputFilename;
}
protected static function writeFile($filename, $extension, $content)
{
$filename = self::makeFilenameWithExtension($filename, $extension);
$outputFilename = self::getOutputPath($filename);
$bytesWritten = file_put_contents($outputFilename, $content);
if ($bytesWritten === false) {
throw new Exception("ReportRenderer: Could not write to file '" . $outputFilename . "'.");
}
return $outputFilename;
}
protected static function sendToBrowser($filename, $extension, $contentType, $content)
{
$filename = \Piwik\ReportRenderer::makeFilenameWithExtension($filename, $extension);
\Piwik\ProxyHttp::overrideCacheControlHeaders();
\Piwik\Common::sendHeader('Content-Description: File Transfer');
\Piwik\Common::sendHeader('Content-Type: ' . $contentType);
\Piwik\Common::sendHeader('Content-Disposition: attachment; filename="' . str_replace('"', '\'', basename($filename)) . '";');
\Piwik\Common::sendHeader('Content-Length: ' . strlen($content));
echo $content;
}
protected static function inlineToBrowser($contentType, $content)
{
\Piwik\Common::sendHeader('Content-Type: ' . $contentType);
echo $content;
}
/**
* Convert a dimension-less report to a multi-row two-column data table
*
* @static
* @param $reportMetadata array
* @param $report DataTable
* @param $reportColumns array
* @return array DataTable $report & array $columns
*/
protected static function processTableFormat($reportMetadata, $report, $reportColumns)
{
$finalReport = $report;
if (empty($reportMetadata['dimension'])) {
$simpleReportMetrics = $report->getFirstRow();
if ($simpleReportMetrics) {
$finalReport = new Simple();
foreach ($simpleReportMetrics->getColumns() as $metricId => $metric) {
$newRow = new Row();
$newRow->addColumn("label", $reportColumns[$metricId]);
$newRow->addColumn("value", $metric);
$finalReport->addRow($newRow);
}
}
$reportColumns = ['label' => \Piwik\Piwik::translate('General_Name'), 'value' => \Piwik\Piwik::translate('General_Value')];
}
return [$finalReport, $reportColumns];
}
public static function getStaticGraph($reportMetadata, $width, $height, $evolution, $segment)
{
$imageGraphUrl = $reportMetadata['imageGraphUrl'];
if ($evolution && !empty($reportMetadata['imageGraphEvolutionUrl'])) {
$imageGraphUrl = $reportMetadata['imageGraphEvolutionUrl'];
}
$requestGraph = $imageGraphUrl . '&outputType=' . API::GRAPH_OUTPUT_PHP . '&format=original&serialize=0' . '&filter_truncate=' . '&width=' . $width . '&height=' . $height . ($segment != null ? '&segment=' . urlencode($segment['definition']) : '');
$request = new Request($requestGraph);
try {
$imageGraph = $request->process();
// Get image data as string
ob_start();
imagepng($imageGraph);
$imageGraphData = ob_get_contents();
ob_end_clean();
imagedestroy($imageGraph);
return $imageGraphData;
} catch (Exception $e) {
throw new Exception("ImageGraph API returned an error: " . $e->getMessage() . "\n");
}
}
}