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<?php
/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
namespace Icinga\Module\Doc\Controllers;
use finfo;
use SplFileInfo;
use Icinga\Application\Icinga;
use Icinga\Module\Doc\DocController;
use Icinga\Module\Doc\Exception\DocException;
use Icinga\Web\Url;
class ModuleController extends DocController
{
/**
* Get the path to a module documentation
*
* @param string $module The name of the module
* @param string $default The default path
* @param bool $suppressErrors Whether to not throw an exception if the module documentation is not available
*
* @return string|null Path to the documentation or null if the module documentation is not available
* and errors are suppressed
*
* @throws \Icinga\Exception\Http\HttpNotFoundException If the module documentation is not available and errors
* are not suppressed
*/
protected function getPath($module, $default, $suppressErrors = false)
{
if (is_dir($default)) {
return $default;
}
if (($path = $this->Config()->get('documentation', 'modules')) !== null) {
$path = str_replace('{module}', $module, $path);
if (is_dir($path)) {
return $path;
}
}
if ($suppressErrors) {
return null;
}
$this->httpNotFound($this->translate('Documentation for module \'%s\' is not available'), $module);
}
/**
* List modules which are enabled and having the 'doc' directory
*/
public function indexAction()
{
$moduleManager = Icinga::app()->getModuleManager();
$modules = array();
foreach ($moduleManager->listInstalledModules() as $module) {
$path = $this->getPath($module, $moduleManager->getModuleDir($module, '/doc'), true);
if ($path !== null) {
$modules[] = $moduleManager->getModule($module, false);
}
}
$this->view->modules = $modules;
$this->getTabs()->add('module-documentation', array(
'active' => true,
'title' => $this->translate('Module Documentation', 'Tab title'),
'url' => Url::fromRequest()
));
}
/**
* Assert that the given module is installed
*
* @param string $moduleName
*
* @throws \Icinga\Exception\Http\HttpNotFoundException If the given module is not installed
*/
protected function assertModuleInstalled($moduleName)
{
$moduleManager = Icinga::app()->getModuleManager();
if (! $moduleManager->hasInstalled($moduleName)) {
$this->httpNotFound($this->translate('Module \'%s\' is not installed'), $moduleName);
}
}
/**
* View the toc of a module's documentation
*
* @throws \Icinga\Exception\MissingParameterException If the required parameter 'moduleName' is empty
* @throws \Icinga\Exception\Http\HttpNotFoundException If the given module is not installed
* @see assertModuleInstalled()
*/
public function tocAction()
{
$module = $this->params->getRequired('moduleName');
$this->assertModuleInstalled($module);
$moduleManager = Icinga::app()->getModuleManager();
$name = $moduleManager->getModule($module, false)->getTitle();
try {
$this->renderToc(
$this->getPath($module, Icinga::app()->getModuleManager()->getModuleDir($module, '/doc')),
$name,
'doc/module/chapter',
array('moduleName' => $module)
);
} catch (DocException $e) {
$this->httpNotFound($e->getMessage());
}
}
/**
* View a chapter of a module's documentation
*
* @throws \Icinga\Exception\MissingParameterException If one of the required parameters 'moduleName' and
* 'chapter' is empty
* @throws \Icinga\Exception\Http\HttpNotFoundException If the given module is not installed
* @see assertModuleInstalled()
*/
public function chapterAction()
{
$module = $this->params->getRequired('moduleName');
$this->assertModuleInstalled($module);
$chapter = $this->params->getRequired('chapter');
$this->view->moduleName = $module;
try {
$this->renderChapter(
$this->getPath($module, Icinga::app()->getModuleManager()->getModuleDir($module, '/doc')),
$chapter,
'doc/module/chapter',
'doc/module/img',
array('moduleName' => $module)
);
} catch (DocException $e) {
$this->httpNotFound($e->getMessage());
}
}
/**
* Deliver images
*/
public function imageAction()
{
$module = $this->params->getRequired('moduleName');
$image = $this->params->getRequired('image');
$docPath = $this->getPath($module, Icinga::app()->getModuleManager()->getModuleDir($module, '/doc'));
$imagePath = realpath($docPath . '/' . $image);
if ($imagePath === false || substr($imagePath, 0, strlen($docPath)) !== $docPath) {
$this->httpNotFound('%s does not exist', $image);
}
$this->_helper->viewRenderer->setNoRender(true);
$this->_helper->layout()->disableLayout();
$imageInfo = new SplFileInfo($imagePath);
$etag = md5($imageInfo->getMTime() . $imagePath);
$lastModified = gmdate('D, d M Y H:i:s T', $imageInfo->getMTime());
$match = false;
if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
$ifNoneMatch = explode(', ', stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
foreach ($ifNoneMatch as $tag) {
if ($tag === $etag) {
$match = true;
break;
}
}
} elseif (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
$lastModifiedSince = stripslashes($_SERVER['HTTP_IF_MODIFIED_SINCE']);
if ($lastModifiedSince === $lastModified) {
$match = true;
}
}
$this->getResponse()
->setHeader('ETag', $etag)
->setHeader('Cache-Control', 'no-transform,public,max-age=3600,must-revalidate', true);
if ($match) {
$this->getResponse()->setHttpResponseCode(304);
} else {
$finfo = new finfo();
$this->getResponse()
->setHeader('Content-Type', $finfo->file($imagePath, FILEINFO_MIME_TYPE))
->setHeader('Content-Length', $imageInfo->getSize())
->sendHeaders();
ob_end_clean();
readfile($imagePath);
}
}
/**
* View a module's documentation as PDF
*
* @throws \Icinga\Exception\MissingParameterException If the required parameter 'moduleName' is empty
* @throws \Icinga\Exception\Http\HttpNotFoundException If the given module is not installed
* @see assertModuleInstalled()
*/
public function pdfAction()
{
$module = $this->params->getRequired('moduleName');
$this->assertModuleInstalled($module);
$this->renderPdf(
$this->getPath($module, Icinga::app()->getModuleManager()->getModuleDir($module, '/doc')),
$module,
'doc/module/chapter',
array('moduleName' => $module)
);
}
}
|
