001/*
002 * (C) Copyright 2012-2014 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *      Vladimir Pasquier <vpasquier@nuxeo.com>
018 *      Mickael Vachette <mv@nuxeo.com>
019 */
020package org.nuxeo.ecm.platform.signature.core.operations;
021
022import org.nuxeo.ecm.automation.core.Constants;
023import org.nuxeo.ecm.automation.core.annotations.Context;
024import org.nuxeo.ecm.automation.core.annotations.Operation;
025import org.nuxeo.ecm.automation.core.annotations.OperationMethod;
026import org.nuxeo.ecm.automation.core.annotations.Param;
027import org.nuxeo.ecm.core.api.Blob;
028import org.nuxeo.ecm.core.api.DocumentModel;
029import org.nuxeo.ecm.core.api.blobholder.BlobHolder;
030import org.nuxeo.ecm.platform.signature.api.sign.SignatureService;
031import org.nuxeo.ecm.platform.signature.api.sign.SignatureService.SigningDisposition;
032import org.nuxeo.ecm.platform.signature.core.sign.SignatureHelper;
033import org.nuxeo.ecm.platform.usermanager.UserManager;
034
035@Operation(id = SignPDFDocument.ID, category = Constants.CAT_SERVICES, label = "Sign PDF", description = "Applies a digital signature to the"
036        + " PDF blob of the input document.")
037public class SignPDFDocument {
038
039    public static final String ID = "Services.SignPDFDocument";
040
041    private static final String MIME_TYPE_PDF = "application/pdf";
042
043    @Context
044    protected UserManager userManager;
045
046    @Context
047    protected SignatureService signatureService;
048
049    @Param(name = "username", required = true, description = "The user ID for" + " signing PDF document.")
050    protected String username;
051
052    @Param(name = "password", required = true, description = "Certificate " + "password.")
053    protected String password;
054
055    @Param(name = "reason", required = true, description = "Signature reason.")
056    protected String reason;
057
058    @OperationMethod
059    public Blob run(DocumentModel doc) {
060        DocumentModel user = userManager.getUserModel(username);
061        Blob originalBlob = doc.getAdapter(BlobHolder.class).getBlob();
062        boolean originalIsPdf = MIME_TYPE_PDF.equals(originalBlob.getMimeType());
063        // decide if we want PDF/A
064        boolean pdfa = SignatureHelper.getPDFA();
065        // decide disposition
066        SigningDisposition disposition = SignatureHelper.getDisposition(originalIsPdf);
067        // decide archive filename
068        String filename = originalBlob.getFilename();
069        String archiveFilename = SignatureHelper.getArchiveFilename(filename);
070        return signatureService.signDocument(doc, user, password, reason, pdfa, disposition, archiveFilename);
071    }
072}