Examples with MCRAccessException org.mycore.access.MCRAccessException used on opensource projects

Example 1 with MCRAccessException

use of org.mycore.access.MCRAccessException in project mycore by MyCoRe-Org.

the class MCRMetadataManager method delete.

/**
 * Deletes MCRDerivate.
 *
 * @param mcrDerivate
 *            to be deleted
 * @throws MCRPersistenceException
 *            if persistence problem occurs
 * @throws MCRAccessException
 *            if delete permission is missing
 */
public static void delete(final MCRDerivate mcrDerivate) throws MCRPersistenceException, MCRAccessException {
    MCRObjectID id = mcrDerivate.getId();
    if (!MCRAccessManager.checkPermission(id, PERMISSION_DELETE)) {
        throw MCRAccessException.missingPermission("Delete derivate", id.toString(), PERMISSION_DELETE);
    }
    // mark for deletion
    MCRMarkManager.instance().mark(id, Operation.DELETE);
    // remove link
    MCRObjectID metaId = null;
    try {
        metaId = mcrDerivate.getDerivate().getMetaLink().getXLinkHrefID();
        if (MCRMetadataManager.removeDerivateFromObject(metaId, id)) {
            LOGGER.info(MessageFormat.format("Link in MCRObject {0} to MCRDerivate {1} is deleted.", metaId, id));
        } else {
            LOGGER.warn(MessageFormat.format("Link in MCRObject {0} to MCRDerivate {1} could not be deleted.", metaId, id));
        }
    } catch (final Exception e) {
        LOGGER.warn("Can't delete link for MCRDerivate {} from MCRObject {}. Error ignored.", id, metaId);
    }
    // delete data from IFS
    if (mcrDerivate.getDerivate().getInternals() != null) {
        try {
            deleteDerivate(id.toString());
            LOGGER.info("IFS entries for MCRDerivate {} are deleted.", id);
        } catch (final Exception e) {
            throw new MCRPersistenceException("Error while delete MCRDerivate " + id + " in IFS", e);
        }
    }
    // handle events
    fireEvent(mcrDerivate, null, MCREvent.DELETE_EVENT);
    // remove mark
    MCRMarkManager.instance().remove(id);
}

Example 2 with MCRAccessException

use of org.mycore.access.MCRAccessException in project mycore by MyCoRe-Org.

the class MCRMetadataManager method create.

/**
 * Stores the derivate.
 *
 * @param mcrDerivate
 *            derivate instance to store
 * @throws MCRPersistenceException
 *            if a persistence problem is occurred
 * @throws MCRAccessException
 *            if write permission to object is missing
 */
public static void create(final MCRDerivate mcrDerivate) throws MCRPersistenceException, MCRAccessException {
    if (exists(mcrDerivate.getId())) {
        throw new MCRPersistenceException("The derivate " + mcrDerivate.getId() + " already exists, nothing done.");
    }
    try {
        mcrDerivate.validate();
    } catch (MCRException exc) {
        throw new MCRPersistenceException("The derivate " + mcrDerivate.getId() + " is not valid.", exc);
    }
    final MCRObjectID objid = mcrDerivate.getDerivate().getMetaLink().getXLinkHrefID();
    if (!MCRAccessManager.checkPermission(objid, PERMISSION_WRITE)) {
        throw MCRAccessException.missingPermission("Add derivate " + mcrDerivate.getId() + " to object.", objid.toString(), PERMISSION_WRITE);
    }
    byte[] objectBackup;
    try {
        objectBackup = MCRXMLMetadataManager.instance().retrieveBLOB(objid);
    } catch (IOException ioExc) {
        throw new MCRPersistenceException("Unable to retrieve xml blob of " + objid);
    }
    if (objectBackup == null) {
        throw new MCRPersistenceException("Cannot find " + objid + " to attach derivate " + mcrDerivate.getId() + " to it.");
    }
    // prepare the derivate metadata and store under the XML table
    if (mcrDerivate.getService().getDate("createdate") == null || !mcrDerivate.isImportMode()) {
        mcrDerivate.getService().setDate("createdate");
    }
    if (mcrDerivate.getService().getDate("modifydate") == null || !mcrDerivate.isImportMode()) {
        mcrDerivate.getService().setDate("modifydate");
    }
    // handle events
    fireEvent(mcrDerivate, null, MCREvent.CREATE_EVENT);
    // add the link to metadata
    final MCRMetaLinkID der = new MCRMetaLinkID();
    der.setReference(mcrDerivate.getId().toString(), null, mcrDerivate.getLabel());
    der.setSubTag("derobject");
    try {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("adding Derivate in data store");
        }
        MCRMetadataManager.addOrUpdateDerivateToObject(objid, der);
    } catch (final Exception e) {
        MCRMetadataManager.restore(mcrDerivate, objid, objectBackup);
        // throw final exception
        throw new MCRPersistenceException("Error while creatlink to MCRObject " + objid + ".", e);
    }
    // create data in IFS
    if (mcrDerivate.getDerivate().getInternals() != null) {
        MCRObjectID derId = mcrDerivate.getId();
        MCRPath rootPath = MCRPath.getPath(derId.toString(), "/");
        if (mcrDerivate.getDerivate().getInternals().getSourcePath() == null) {
            try {
                rootPath.getFileSystem().createRoot(rootPath.getOwner());
                BasicFileAttributes attrs = Files.readAttributes(rootPath, BasicFileAttributes.class);
                if (!(attrs.fileKey() instanceof String)) {
                    throw new MCRPersistenceException("Cannot get ID from newely created directory, as it is not a String." + rootPath);
                }
                mcrDerivate.getDerivate().getInternals().setIFSID(attrs.fileKey().toString());
            } catch (IOException ioExc) {
                throw new MCRPersistenceException("Cannot create root of '" + rootPath.getOwner() + "' or read the file attributes.", ioExc);
            }
        } else {
            final String sourcepath = mcrDerivate.getDerivate().getInternals().getSourcePath();
            final File f = new File(sourcepath);
            if (f.exists()) {
                try {
                    if (LOGGER.isDebugEnabled()) {
                        LOGGER.debug("Starting File-Import");
                    }
                    importDerivate(derId.toString(), f.toPath());
                    BasicFileAttributes attrs = Files.readAttributes(rootPath, BasicFileAttributes.class);
                    if (!(attrs.fileKey() instanceof String)) {
                        throw new MCRPersistenceException("Cannot get ID from newely created directory, as it is not a String." + rootPath);
                    }
                    mcrDerivate.getDerivate().getInternals().setIFSID(attrs.fileKey().toString());
                } catch (final Exception e) {
                    if (Files.exists(rootPath)) {
                        deleteDerivate(derId.toString());
                    }
                    MCRMetadataManager.restore(mcrDerivate, objid, objectBackup);
                    throw new MCRPersistenceException("Can't add derivate to the IFS", e);
                }
            } else {
                LOGGER.warn("Empty derivate, the File or Directory -->{}<--  was not found.", sourcepath);
            }
        }
    }
}

Example 3 with MCRAccessException

use of org.mycore.access.MCRAccessException in project mycore by MyCoRe-Org.

the class MCRFileMetaEventHandler method handlePathDeleted.

@Override
protected void handlePathDeleted(MCREvent evt, Path path, BasicFileAttributes attrs) {
    if (attrs.isDirectory()) {
        return;
    }
    MCRPath mcrPath = MCRPath.toMCRPath(path);
    MCRObjectID derivateID = MCRObjectID.getInstance(mcrPath.getOwner());
    if (!MCRMetadataManager.exists(derivateID)) {
        LOGGER.warn("Derivate {} from file '{}' does not exist.", derivateID, path);
        return;
    }
    MCRDerivate derivate = MCRMetadataManager.retrieveMCRDerivate(derivateID);
    MCRObjectDerivate objectDerivate = derivate.getDerivate();
    if (objectDerivate.deleteFileMetaData('/' + path.subpath(0, path.getNameCount()).toString())) {
        try {
            MCRMetadataManager.update(derivate);
        } catch (MCRPersistenceException | MCRAccessException e) {
            throw new MCRPersistenceException("Could not update derivate: " + derivateID, e);
        }
    }
}

Example 4 with MCRAccessException

use of org.mycore.access.MCRAccessException in project mycore by MyCoRe-Org.

the class MCRExtractRelatedItemsEventHandler method extractRelatedItems.

private void extractRelatedItems(final MCREvent evt, final MCRObject object) {
    if (!MCRMODSWrapper.isSupported(object)) {
        return;
    }
    Element mods = new MCRMODSWrapper(object).getMODS();
    MCRObjectID oid = object.getId();
    for (Element relatedItem : mods.getChildren("relatedItem", MCRConstants.MODS_NAMESPACE)) {
        String href = relatedItem.getAttributeValue("href", MCRConstants.XLINK_NAMESPACE);
        LOGGER.info("Found related item in {}, href={}", object.getId(), href);
        // MCR-957: only create releated object if mycoreId
        MCRObjectID mcrIdCheck;
        try {
            mcrIdCheck = MCRObjectID.getInstance(href);
        } catch (Exception e) {
            // not a valid MCRObjectID -> don't create anyway
            continue;
        }
        // create if integer value == 0
        if (mcrIdCheck.getNumberAsInteger() == 0) {
            // MCR-931: check for type='host' and present parent document
            if (!isHost(relatedItem) || object.getStructure().getParentID() == null) {
                MCRObjectID relatedID;
                try {
                    relatedID = createRelatedObject(relatedItem, oid);
                } catch (MCRAccessException e) {
                    throw new MCRException(e);
                }
                href = relatedID.toString();
                LOGGER.info("Setting href of related item to {}", href);
                relatedItem.setAttribute("href", href, MCRConstants.XLINK_NAMESPACE);
                if (isHost(relatedItem)) {
                    LOGGER.info("Setting {} as parent of {}", href, oid);
                    object.getStructure().setParent(relatedID);
                }
            }
        } else if (isParentExists(relatedItem)) {
            MCRObjectID relatedID = MCRObjectID.getInstance(href);
            if (object.getStructure().getParentID() == null) {
                LOGGER.info("Setting {} as parent of {}", href, oid);
                object.getStructure().setParent(relatedID);
            } else if (!object.getStructure().getParentID().equals(relatedID)) {
                LOGGER.info("Setting {} as parent of {}", href, oid);
                object.getStructure().setParent(relatedID);
            }
        }
    }
}

Example 5 with MCRAccessException

use of org.mycore.access.MCRAccessException in project mycore by MyCoRe-Org.

the class MCRRestAPIUploadHelper method uploadFile.

/**
 * uploads a file into a given derivate
 * @param info - the Jersey UriInfo object
 * @param request - the HTTPServletRequest object
 * @param pathParamMcrObjID - a MyCoRe Object ID
 * @param pathParamMcrDerID - a MyCoRe Derivate ID
 * @param uploadedInputStream - the inputstream from HTTP Post request
 * @param fileDetails - the file information from HTTP Post request
 * @param formParamPath - the path of the file inside the derivate
 * @param formParamMaindoc - true, if this file should be marked as maindoc
 * @param formParamUnzip - true, if the upload is zip file that should be unzipped inside the derivate
 * @param formParamMD5 - the MD5 sum of the uploaded file
 * @param formParamSize - the size of the uploaded file
 * @return a Jersey Response object
 * @throws MCRRestAPIException
 */
public static Response uploadFile(UriInfo info, HttpServletRequest request, String pathParamMcrObjID, String pathParamMcrDerID, InputStream uploadedInputStream, FormDataContentDisposition fileDetails, String formParamPath, boolean formParamMaindoc, boolean formParamUnzip, String formParamMD5, Long formParamSize) throws MCRRestAPIException {
    SignedJWT signedJWT = MCRJSONWebTokenUtil.retrieveAuthenticationToken(request);
    SortedMap<String, String> parameter = new TreeMap<>();
    parameter.put("mcrObjectID", pathParamMcrObjID);
    parameter.put("mcrDerivateID", pathParamMcrDerID);
    parameter.put("path", formParamPath);
    parameter.put("maindoc", Boolean.toString(formParamMaindoc));
    parameter.put("unzip", Boolean.toString(formParamUnzip));
    parameter.put("md5", formParamMD5);
    parameter.put("size", Long.toString(formParamSize));
    String base64Signature = request.getHeader("X-MyCoRe-RestAPI-Signature");
    if (base64Signature == null) {
        throw new MCRRestAPIException(Status.UNAUTHORIZED, new MCRRestAPIError(MCRRestAPIError.CODE_INVALID_AUTHENCATION, "The submitted data could not be validated.", "Please provide a signature as HTTP header 'X-MyCoRe-RestAPI-Signature'."));
    }
    if (verifyPropertiesWithSignature(parameter, base64Signature, MCRJSONWebTokenUtil.retrievePublicKeyFromAuthenticationToken(signedJWT))) {
        try (MCRJPATransactionWrapper mtw = new MCRJPATransactionWrapper()) {
            // MCRSession session = MCRServlet.getSession(request);
            MCRSession session = MCRSessionMgr.getCurrentSession();
            MCRUserInformation currentUser = session.getUserInformation();
            MCRUserInformation apiUser = MCRUserManager.getUser(MCRJSONWebTokenUtil.retrieveUsernameFromAuthenticationToken(signedJWT));
            session.setUserInformation(apiUser);
            MCRObjectID objID = MCRObjectID.getInstance(pathParamMcrObjID);
            MCRObjectID derID = MCRObjectID.getInstance(pathParamMcrDerID);
            MCRAccessManager.invalidPermissionCache(derID.toString(), PERMISSION_WRITE);
            if (MCRAccessManager.checkPermission(derID.toString(), PERMISSION_WRITE)) {
                MCRDerivate der = MCRMetadataManager.retrieveMCRDerivate(derID);
                java.nio.file.Path derDir = null;
                String path = null;
                if (der.getOwnerID().equals(objID)) {
                    try {
                        derDir = UPLOAD_DIR.resolve(derID.toString());
                        if (Files.exists(derDir)) {
                            Files.walkFileTree(derDir, MCRRecursiveDeleter.instance());
                        }
                        path = formParamPath.replace("\\", "/").replace("../", "");
                        while (path.startsWith("/")) {
                            path = path.substring(1);
                        }
                        MCRDirectory difs = MCRDirectory.getRootDirectory(derID.toString());
                        if (difs == null) {
                            difs = new MCRDirectory(derID.toString());
                        }
                        der.getDerivate().getInternals().setIFSID(difs.getID());
                        der.getDerivate().getInternals().setSourcePath(derDir.toString());
                        if (formParamUnzip) {
                            String maindoc = null;
                            try (ZipInputStream zis = new ZipInputStream(new BufferedInputStream(uploadedInputStream))) {
                                ZipEntry entry;
                                while ((entry = zis.getNextEntry()) != null) {
                                    LOGGER.debug("Unzipping: {}", entry.getName());
                                    java.nio.file.Path target = derDir.resolve(entry.getName());
                                    Files.createDirectories(target.getParent());
                                    Files.copy(zis, target, StandardCopyOption.REPLACE_EXISTING);
                                    if (maindoc == null && !entry.isDirectory()) {
                                        maindoc = entry.getName();
                                    }
                                }
                            } catch (IOException e) {
                                LOGGER.error(e);
                            }
                            MCRFileImportExport.importFiles(derDir.toFile(), difs);
                            if (formParamMaindoc) {
                                der.getDerivate().getInternals().setMainDoc(maindoc);
                            }
                        } else {
                            java.nio.file.Path saveFile = derDir.resolve(path);
                            Files.createDirectories(saveFile.getParent());
                            Files.copy(uploadedInputStream, saveFile, StandardCopyOption.REPLACE_EXISTING);
                            // delete old file
                            MCRFileImportExport.importFiles(derDir.toFile(), difs);
                            if (formParamMaindoc) {
                                der.getDerivate().getInternals().setMainDoc(path);
                            }
                        }
                        MCRMetadataManager.update(der);
                        Files.walkFileTree(derDir, MCRRecursiveDeleter.instance());
                    } catch (IOException | MCRPersistenceException | MCRAccessException e) {
                        LOGGER.error(e);
                        throw new MCRRestAPIException(Status.INTERNAL_SERVER_ERROR, new MCRRestAPIError(MCRRestAPIError.CODE_INTERNAL_ERROR, "Internal error", e.getMessage()));
                    }
                }
                session.setUserInformation(currentUser);
                return Response.created(info.getBaseUriBuilder().path("v1/objects/" + objID + "/derivates/" + derID + "/contents").build()).type("application/xml; charset=UTF-8").header(HEADER_NAME_AUTHORIZATION, MCRJSONWebTokenUtil.createJWTAuthorizationHeader(signedJWT)).build();
            }
        }
    }
    throw new MCRRestAPIException(Status.FORBIDDEN, new MCRRestAPIError(MCRRestAPIError.CODE_INVALID_DATA, "File upload failed.", "The submitted data could not be validated."));
}