com.liferay.wiki.web.internal.upload.PageAttachmentWikiUploadFileEntryHandler.java Source code

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Here is the source code for com.liferay.wiki.web.internal.upload.PageAttachmentWikiUploadFileEntryHandler.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * 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.
 */

package com.liferay.wiki.web.internal.upload;

import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.kernel.security.permission.ActionKeys;
import com.liferay.portal.kernel.security.permission.resource.ModelResourcePermission;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.upload.UploadPortletRequest;
import com.liferay.portal.kernel.util.ArrayUtil;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.upload.UploadFileEntryHandler;
import com.liferay.wiki.exception.WikiAttachmentMimeTypeException;
import com.liferay.wiki.model.WikiNode;
import com.liferay.wiki.model.WikiPage;
import com.liferay.wiki.service.WikiPageService;

import java.io.IOException;
import java.io.InputStream;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Roberto Daz
 * @author Alejandro Tardn
 */
@Component(service = PageAttachmentWikiUploadFileEntryHandler.class)
public class PageAttachmentWikiUploadFileEntryHandler implements UploadFileEntryHandler {

    @Override
    public FileEntry upload(UploadPortletRequest uploadPortletRequest) throws IOException, PortalException {

        ThemeDisplay themeDisplay = (ThemeDisplay) uploadPortletRequest.getAttribute(WebKeys.THEME_DISPLAY);

        long resourcePrimKey = ParamUtil.getLong(uploadPortletRequest, "resourcePrimKey");

        WikiPage page = _wikiPageService.getPage(resourcePrimKey);

        _wikiNodeModelResourcePermission.check(themeDisplay.getPermissionChecker(), page.getNodeId(),
                ActionKeys.ADD_ATTACHMENT);

        String fileName = uploadPortletRequest.getFileName(_PARAMETER_NAME);
        String contentType = uploadPortletRequest.getContentType(_PARAMETER_NAME);
        String[] mimeTypes = ParamUtil.getParameterValues(uploadPortletRequest, "mimeTypes");

        _validateFile(fileName, contentType, mimeTypes);

        try (InputStream inputStream = uploadPortletRequest.getFileAsStream(_PARAMETER_NAME)) {

            return _wikiPageService.addPageAttachment(page.getNodeId(), page.getTitle(), fileName, inputStream,
                    contentType);
        }
    }

    private void _validateFile(String fileName, String contentType, String[] mimeTypes) throws PortalException {

        if (ArrayUtil.isEmpty(mimeTypes)) {
            return;
        }

        for (String mimeType : mimeTypes) {
            if (mimeType.equals(contentType)) {
                return;
            }
        }

        throw new WikiAttachmentMimeTypeException(
                StringBundler.concat("Invalid MIME type ", contentType, " for file name ", fileName));
    }

    private static final String _PARAMETER_NAME = "imageSelectorFileName";

    @Reference(target = "(model.class.name=com.liferay.wiki.model.WikiNode)")
    private ModelResourcePermission<WikiNode> _wikiNodeModelResourcePermission;

    @Reference
    private WikiPageService _wikiPageService;

}