Initial commit

ajax/loadfile.php

@@ -0,0 +1,44 @@
+<?php
+
+// Check if we are a user
+OCP\JSON::checkLoggedIn();
+OCP\JSON::callCheck();
+
+\OC::$server->getSession()->close();
+
+// Set the session key for the file we are about to edit.
+$dir = isset($_GET['dir']) ? $_GET['dir'] : '';
+$filename = isset($_GET['file']) ? $_GET['file'] : '';
+$token = isset($_GET['token']) ? $_GET['token'] : '';
+if(!empty($filename))
+{
+        header('Content-Type: application/pdf');
+
+        if(!empty($token))
+        {
+        	$linkItem = \OC::$server->getShareManager()->getShareByToken($token);
+        	$owner = $linkItem->getShareOwner();
+        	\OC\Files\Filesystem::init($owner, '/' . $owner . '/files');
+        	$dir = '/' . \OC\Files\Filesystem::getPath($linkItem->getNodeId());
+        	$dir = rtrim($dir, '/');
+        }
+
+        $path = $dir.'/'.$filename;
+        $filecontents = \OC\Files\Filesystem::file_get_contents($path);
+
+        if($filecontents)
+        {
+        	echo $filecontents;
+        }
+        else
+        {
+        	\OCP\Util::writeLog('files_pdfviewer', 'Error when opening PDF ' . $path, \OCP\Util::ERROR);
+        	OCP\JSON::error(['data' => ['message' => 'A problem occoured while loading the PDF']]);
+        }
+        return;
+
+} 
+else 
+{
+	OCP\JSON::error(['data' => ['message' => 'Invalid file path supplied.']]);
+}

ajax/loadpublicfile.php

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+<?php 
+
+// Check if we are a user
+//OCP\JSON::checkLoggedIn();
+OCP\JSON::callCheck();
+
+\OC::$server->getSession()->close();
+
+// Set the session key for the file we are about to edit.
+$token = isset($_GET['token']) ? $_GET['token'] : '';
+if(!empty($token))
+{
+	header('Content-Type: application/pdf');
+
+	$linkItem = \OC::$server->getShareManager()->getShareByToken($token);
+	$owner = $linkItem->getShareOwner();
+
+	\OC\Files\Filesystem::tearDown();
+	\OC\Files\Filesystem::init($owner, '/' . $owner . '/files');
+
+	$path = '/' . \OC\Files\Filesystem::getPath($linkItem->getNodeId());
+
+	$filecontents = \OC\Files\Filesystem::file_get_contents($path);
+
+	if($filecontents)
+	{
+		echo $filecontents;
+	}
+	else
+	{
+		\OCP\Util::writeLog('files_nbviewer', 'Error while opening PDF ' . $path, \OCP\Util::ERROR);
+		OCP\JSON::error(['data' => ['message' => 'A problem occoured while loading the PDF']]);
+	}
+	return;
+
+} else {
+	OCP\JSON::error(['data' => ['message' => 'Invalid file path supplied.']]);
+}

appinfo/app.php

@@ -0,0 +1,4 @@
+<?php
+
+OCP\Util::addscript('files_pdfviewer', 'pdfobject.min');
+OCP\Util::addscript('files_pdfviewer', 'app');

appinfo/info.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0"?> 
+<info>
+	<id>files_nbviewer</id>
+	<name>CERNBox NB Viewer</name>
+	<description>This application integrates the IPython/Jupyter Notebook framework into CERNBox files application</description>
+	<licence>AGPL</licence>
+	<author>Nadir Roman Guerrero</author>
+	<requiremin>8.2.0</requiremin>
+	<shipped>true</shipped>
+	<default_enable/>
+</info>

appinfo/routes.php

@@ -0,0 +1,7 @@
+<?php
+/** @var $this OC\Route\Router */
+$this->create('files_pdfviewer_load', '/ajax/loadfile.php')
+	->actionInclude('files_pdfviewer/ajax/loadfile.php');
+
+$this->create('files_pdfviewer_loadpublic', '/ajax/loadpublicfile.php')
+		->actionInclude('files_pdfviewer/ajax/loadpublicfile.php');

appinfo/version

@@ -0,0 +1 @@
+1.0

js/app.js

@@ -0,0 +1,153 @@
+function PDF_closePublicFileCallback()
+{
+	$('#imgframe').empty();
+	$('#imgframe').text('Reloading...');
+	window.location.reload();
+}
+
+function PDF_loadFile(file, dir)
+{
+	var urlD = OC.filePath('files_pdfviewer', 'ajax', 'loadfile.php') + "?file=" + encodeURIComponent(file) 
+		+ "&dir=" + encodeURIComponent(dir) + "&requesttoken=" + encodeURIComponent(oc_requesttoken);
+
+	if($('#isPublic').attr('value') == '1')
+	{
+		urlD = urlD + "&token=" + encodeURIComponent($('#sharingToken').attr('value'));
+	}
+
+	$('#pdfviewer-loader').remove();
+
+	var frame = $('#pdfviewer-frame');
+	frame.attr('type', 'application/pdf');
+	frame.attr('src', urlD);
+	frame.contents().find('title').html(file);
+	frame.on('load', function()
+	{
+		document.title = file;
+	});
+}
+
+function PDF_loadPublicFile(token)
+{
+	var urlD = OC.filePath('files_pdfviewer', 'ajax', 'loadpublicfile.php') + "?token=" + encodeURIComponent(token) 
+	+ "&requesttoken=" + encodeURIComponent(oc_requesttoken);
+
+	$('#pdfviewer-loader').remove();
+
+	var frame = $('#pdfviewer-frame');
+	frame.attr('type', 'application/pdf');
+	frame.attr('src', urlD);
+}
+
+/**
+ * Set up all html elements needed to display the notebook
+ */
+function PDF_setUpEditor(closeCallBack)
+{
+	isPDFViewerOpen =  true;
+	var mainDiv = $('#pdfviewer');
+	if(mainDiv.length < 1)
+	{
+		mainDiv = $('<div id="pdfviewer"></div>');
+		mainDiv.css('position', 'absolute');
+		mainDiv.css('top', '0');
+		mainDiv.css('left', '0');
+		mainDiv.css('width', '100%');
+		mainDiv.css('height', '100%');
+		mainDiv.css('z-index', '200');
+		mainDiv.css('background-color', '#fff');
+
+		var frame = $('<iframe id="pdfviewer-frame"></iframe>');
+		frame.css('position', 'absolute');
+		frame.css('top', '0');
+		frame.css('left', '0');
+		frame.css('width', '100%');
+		frame.css('height', '100%');
+
+		mainDiv.append(frame);
+		$('#content').append(mainDiv);
+	}
+
+	var loadingImg = $('<div id="pdfviewer-loader"></div>');
+	loadingImg.css('position', 'absolute');
+	loadingImg.css('top', '50%');
+	loadingImg.css('left', '50%');
+	loadingImg.css('width', 'auto');
+	loadingImg.css('height', 'auto');
+	var img = OC.imagePath('core', 'loading-dark.gif');
+	var imgContent = $('<img></img>');
+	imgContent.attr('src',img);
+	loadingImg.append(imgContent);
+
+	var closeButton = $('<div></div>');
+	closeButton.css('position', 'absolute');
+	closeButton.css('top', '0');
+	closeButton.css('left', '95%');
+	closeButton.css('width', 'auto');
+	closeButton.css('height', 'auto');
+	closeButton.css('z-index', '200');
+	closeButton.css('background-color', '#f00');
+	var closeImg = OC.imagePath('core', 'actions/close.svg');
+	var closeImgContent = $('<img></img>');
+	closeImgContent.attr('src', closeImg);
+	closeButton.append(closeImgContent);
+
+	closeButton.click(function() { PDF_closeFile(closeCallBack); });
+
+	$('#app-navigation').hide();
+	$('#app-content').hide();
+
+	mainDiv.append(loadingImg);
+	mainDiv.append(closeButton);
+}
+
+/**
+ * Open the notebook viewer and displays the notebook given the directory where it belongs and it's name
+ * @param directory
+ * @param file
+ */
+function PDF_openFile(directory, file)
+{
+	PDF_setUpEditor();
+	PDF_loadFile(file, directory);
+}
+
+/**
+ * Open the notebook viewer and displays the notebook given by a publically shared by link
+ * @param token
+ */
+function PDF_openPublicFile(token)
+{
+	PDF_setUpEditor(closePublicFileCallback);
+	PDF_loadPublicFile(token);
+}
+
+
+function PDF_closeFile(callback)
+{
+	if(isPDFViewerOpen)
+	{
+		$('#pdfviewer').remove();
+		$('#app-navigation').show();
+		$('#app-content').show();
+		isPDFViewerOpen = false;
+
+		if(callback)
+		{
+			callback();
+		}
+	}
+}
+
+var isPDFViewerOpen = false;
+$(document).ready(function () 
+{
+	if (typeof FileActions !== 'undefined') 
+	{
+		FileActions.setDefault('application/pdf', 'Edit');
+        OCA.Files.fileActions.register('application/pdf', 'Edit', OC.PERMISSION_READ, '', function (filename) 
+        {
+        	PDF_openFile(FileList.getCurrentDirectory(), filename);
+        });
+	}
+});