<commit_before>/*
 Created as part of the StratusLab project (http://stratuslab.eu),
 co-funded by the European Commission under the Grant Agreement
 INSFO-RI-261552.

 Copyright (c) 2011, Centre National de la Recherche Scientifique (CNRS)

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
package eu.stratuslab.storage.disk.resources;

import eu.stratuslab.storage.disk.main.ServiceConfiguration;
import eu.stratuslab.storage.disk.utils.DiskUtils;
import eu.stratuslab.storage.disk.utils.FileUtils;
import eu.stratuslab.storage.persistence.Disk;
import eu.stratuslab.storage.persistence.DiskView;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.restlet.data.Form;
import org.restlet.data.Status;
import org.restlet.ext.fileupload.RestletFileUpload;
import org.restlet.representation.Representation;
import org.restlet.resource.Get;
import org.restlet.resource.Post;
import org.restlet.resource.ResourceException;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.math.BigInteger;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.GZIPInputStream;

import static org.restlet.data.MediaType.APPLICATION_JSON;
import static org.restlet.data.MediaType.TEXT_HTML;

public class DisksResource extends DiskBaseResource {

    private Form form = null;

    @Get("html")
    public Representation getAsHtml() {

        getLogger().info("DisksResource getAsHtml");

        Map<String, Object> info = listDisks();

        return createTemplateRepresentation("html/disks.ftl", info, TEXT_HTML);
    }

    @Get("json")
    public Representation getAsJson() {

        getLogger().info("DisksResource getAsJson");

        Map<String, Object> info = listDisks();

        return createTemplateRepresentation("json/disks.ftl", info, APPLICATION_JSON);

    }

    @Post("form:html")
    public Representation createDiskRequestFromHtml(Representation entity) {

        Disk disk = validateAndCreateDisk();

        redirectSeeOther(getBaseUrl() + "/disks/" + disk.getUuid());

        return null;
    }

    @Post("form:json")
    public Representation createDiskRequestFromJson(Representation entity) {

        Disk disk = validateAndCreateDisk();

        setStatus(Status.SUCCESS_CREATED);

        Map<String, Object> info = new HashMap<String, Object>();
        info.put("key", Disk.UUID_KEY);
        info.put("value", disk.getUuid());

        return createTemplateRepresentation("json/keyvalue.ftl", info, APPLICATION_JSON);

    }

    @Post("multipart")
    public void upload(Representation entity) {

        if (entity == null) {
            throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, "post with null entity");
        }

        Disk disk = saveAndInflateFiles();

        DiskUtils.createAndPopulateDiskLocal(disk);
        disk.store();

        redirectSeeOther(getBaseUrl() + "/disks/" + disk.getUuid());

    }

    protected Disk validateAndCreateDisk() {
        form = new Form(getRequestEntity());

        getLogger().info("DisksResource creating new disk");

        Disk disk = getDisk(form);

        validateNewDisk(disk);

        createDisk(disk);

        getLogger().info(String.format("DisksResource created new disk: %s", disk.getUuid()));

        try {
            initializeContents(disk.getUuid(), form);
        } catch (ResourceException e) {
            removeDisk(disk);
            throw e;
        }

        return disk;
    }

    private void initializeContents(String uuid, Form form) throws ResourceException {

        Map<String, BigInteger> streamInfo = null;

        String url = form.getFirstValue(URL_KEY);
        if (url == null) {
            // If no URL, then bail out; there is nothing to do.
            getLogger().info(String.format("DisksResource NOT initializing contents of %s", uuid));
            return;
        }

        getLogger().info(String.format("DisksResource initializing contents of %s from %s", uuid, url));

        try {
            // FIXME: This provides the file information for the download
            // itself. It does NOT actually verify the data on disk. An
            // additional check should probably be added.
            streamInfo = DiskUtils.copyUrlToVolume(uuid, url);
        } catch (IOException e) {
            String msg = "error initializing disk contents from " + url;

            StringWriter sw = null;
            PrintWriter pw = null;
            try {

                sw = new StringWriter();
                pw = new PrintWriter(sw);

                e.printStackTrace(pw);
                getLogger().warning(msg + "\ntraceback:\n" + sw.toString());
            } finally {
                FileUtils.closeIgnoringError(pw);
                FileUtils.closeIgnoringError(sw);
            }

            throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, msg);
        }

        String bytes = form.getFirstValue(BYTES_KEY);
        if (bytes != null) {
            BigInteger expected = new BigInteger(bytes);
            BigInteger found = streamInfo.get("BYTES");

            getLogger().info(String
                    .format("DisksResource copied bytes for %s: %s (copied), %s (expected)", uuid, found, expected));

            if (!expected.equals(found)) {
                throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST,
                        String.format("size mismatch: %s (found) != %s (expected)", found, expected));
            }
        }

        String sha1 = form.getFirstValue(SHA1_KEY);
        if (sha1 != null) {
            try {
                BigInteger expected = new BigInteger(sha1, 16);
                BigInteger found = streamInfo.get("SHA-1");

                getLogger().info(String
                        .format("DisksResource sha1 checksums for %s: %s (copied), %s (expected)", uuid, found,
                                expected));

                if (!expected.equals(found)) {
                    throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST,
                            String.format("checksum mismatch: %s (found) != %s (expected)", found, expected));
                }
            } catch (IllegalArgumentException e) {
                throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, "invalid SHA-1 checksum: " + sha1);
            }
        }

    }

    protected void createDisk(Disk disk) {
        DiskUtils.createDisk(disk);
    }

    protected void removeDisk(Disk disk) {
        DiskUtils.removeDisk(disk.getUuid());
    }

    private Disk saveAndInflateFiles() {

        int fileSizeLimit = ServiceConfiguration.getInstance().UPLOAD_COMPRESSED_IMAGE_MAX_BYTES;

        DiskFileItemFactory factory = new DiskFileItemFactory();
        factory.setRepository(FileUtils.getUploadCacheDirectory());
        factory.setSizeThreshold(fileSizeLimit);

        RestletFileUpload upload = new RestletFileUpload(factory);

        List<FileItem> items = null;

        try {
            items = upload.parseRequest(getRequest());
        } catch (FileUploadException e) {
            throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, e.getMessage());
        }

        FileItem lastFileItem = null;
        for (FileItem fi : items) {
            if (fi.getName() != null) {
                lastFileItem = fi;
            }
        }

        for (FileItem fi : items) {
            if (fi != lastFileItem) {
                fi.delete();
            }
        }

        if (lastFileItem != null) {
            return inflateAndProcessImage(lastFileItem);
        } else {
            throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, "empty file uploaded");
        }
    }

    protected Disk inflateAndProcessImage(FileItem fi) {

        File cachedDiskFile = null;

        try {

            Disk disk = initializeDisk();

            cachedDiskFile = FileUtils.getCachedDiskFile(disk.getUuid());

            try {
                long size = inflateFile(fi.getInputStream(), cachedDiskFile);
                disk.setSize(size);
            } catch (IOException e) {
                throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, "no valid file uploaded");
            }

            try {
                disk.setIdentifier(DiskUtils.calculateHash(cachedDiskFile));
            } catch (FileNotFoundException e) {
                throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, e.getMessage());
            }
            validateNewDisk(disk);
            return disk;

        } catch (RuntimeException e) {
            if (cachedDiskFile != null) {
                if (!cachedDiskFile.delete()) {
                    getLogger().warning("could not delete file: " + cachedDiskFile.getAbsolutePath());
                }
            }
            throw e;
        } finally {
            fi.delete();
        }
    }

    private long inflateFile(InputStream gzippedContents, File inflatedFile) {

        GZIPInputStream in = null;
        OutputStream out = null;

        try {

            in = new GZIPInputStream(gzippedContents);
            out = new FileOutputStream(inflatedFile);

            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }

        } catch (IOException e) {
            throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, e.getMessage());
        } finally {
            FileUtils.closeIgnoringError(in);
            FileUtils.closeIgnoringError(out);
        }
        return DiskUtils.convertBytesToGibiBytes(inflatedFile.length());
    }

    private Map<String, Object> listDisks() {
        Map<String, Object> info = createInfoStructure("Disks");

        addCreateFormDefaults(info);

        String username = getUsername(getRequest());
        List<DiskView> disks;
        if (isSuperUser(username)) {
            disks = Disk.listAll();
        } else {
            disks = Disk.listAllByUser(username);
        }
        info.put("disks", disks);

        return info;
    }

}
<commit_msg>fix urls for redirects<commit_after>/*
 Created as part of the StratusLab project (http://stratuslab.eu),
 co-funded by the European Commission under the Grant Agreement
 INSFO-RI-261552.

 Copyright (c) 2011, Centre National de la Recherche Scientifique (CNRS)

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
package eu.stratuslab.storage.disk.resources;

import eu.stratuslab.storage.disk.main.ServiceConfiguration;
import eu.stratuslab.storage.disk.utils.DiskUtils;
import eu.stratuslab.storage.disk.utils.FileUtils;
import eu.stratuslab.storage.persistence.Disk;
import eu.stratuslab.storage.persistence.DiskView;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.restlet.data.Form;
import org.restlet.data.Status;
import org.restlet.ext.fileupload.RestletFileUpload;
import org.restlet.representation.Representation;
import org.restlet.resource.Get;
import org.restlet.resource.Post;
import org.restlet.resource.ResourceException;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.math.BigInteger;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.GZIPInputStream;

import static org.restlet.data.MediaType.APPLICATION_JSON;
import static org.restlet.data.MediaType.TEXT_HTML;

public class DisksResource extends DiskBaseResource {

    private Form form = null;

    @Get("html")
    public Representation getAsHtml() {

        getLogger().info("DisksResource getAsHtml");

        Map<String, Object> info = listDisks();

        return createTemplateRepresentation("html/disks.ftl", info, TEXT_HTML);
    }

    @Get("json")
    public Representation getAsJson() {

        getLogger().info("DisksResource getAsJson");

        Map<String, Object> info = listDisks();

        return createTemplateRepresentation("json/disks.ftl", info, APPLICATION_JSON);

    }

    @Post("form:html")
    public Representation createDiskRequestFromHtml(Representation entity) {

        Disk disk = validateAndCreateDisk();

        redirectSeeOther(getBaseUrl() + "disks/" + disk.getUuid());

        return null;
    }

    @Post("form:json")
    public Representation createDiskRequestFromJson(Representation entity) {

        Disk disk = validateAndCreateDisk();

        setStatus(Status.SUCCESS_CREATED);

        Map<String, Object> info = new HashMap<String, Object>();
        info.put("key", Disk.UUID_KEY);
        info.put("value", disk.getUuid());

        return createTemplateRepresentation("json/keyvalue.ftl", info, APPLICATION_JSON);

    }

    @Post("multipart")
    public void upload(Representation entity) {

        if (entity == null) {
            throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, "post with null entity");
        }

        Disk disk = saveAndInflateFiles();

        DiskUtils.createAndPopulateDiskLocal(disk);
        disk.store();

        redirectSeeOther(getBaseUrl() + "disks/" + disk.getUuid());

    }

    protected Disk validateAndCreateDisk() {
        form = new Form(getRequestEntity());

        getLogger().info("DisksResource creating new disk");

        Disk disk = getDisk(form);

        validateNewDisk(disk);

        createDisk(disk);

        getLogger().info(String.format("DisksResource created new disk: %s", disk.getUuid()));

        try {
            initializeContents(disk.getUuid(), form);
        } catch (ResourceException e) {
            removeDisk(disk);
            throw e;
        }

        return disk;
    }

    private void initializeContents(String uuid, Form form) throws ResourceException {

        Map<String, BigInteger> streamInfo = null;

        String url = form.getFirstValue(URL_KEY);
        if (url == null) {
            // If no URL, then bail out; there is nothing to do.
            getLogger().info(String.format("DisksResource NOT initializing contents of %s", uuid));
            return;
        }

        getLogger().info(String.format("DisksResource initializing contents of %s from %s", uuid, url));

        try {
            // FIXME: This provides the file information for the download
            // itself. It does NOT actually verify the data on disk. An
            // additional check should probably be added.
            streamInfo = DiskUtils.copyUrlToVolume(uuid, url);
        } catch (IOException e) {
            String msg = "error initializing disk contents from " + url;

            StringWriter sw = null;
            PrintWriter pw = null;
            try {

                sw = new StringWriter();
                pw = new PrintWriter(sw);

                e.printStackTrace(pw);
                getLogger().warning(msg + "\ntraceback:\n" + sw.toString());
            } finally {
                FileUtils.closeIgnoringError(pw);
                FileUtils.closeIgnoringError(sw);
            }

            throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, msg);
        }

        String bytes = form.getFirstValue(BYTES_KEY);
        if (bytes != null) {
            BigInteger expected = new BigInteger(bytes);
            BigInteger found = streamInfo.get("BYTES");

            getLogger().info(String
                    .format("DisksResource copied bytes for %s: %s (copied), %s (expected)", uuid, found, expected));

            if (!expected.equals(found)) {
                throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST,
                        String.format("size mismatch: %s (found) != %s (expected)", found, expected));
            }
        }

        String sha1 = form.getFirstValue(SHA1_KEY);
        if (sha1 != null) {
            try {
                BigInteger expected = new BigInteger(sha1, 16);
                BigInteger found = streamInfo.get("SHA-1");

                getLogger().info(String
                        .format("DisksResource sha1 checksums for %s: %s (copied), %s (expected)", uuid, found,
                                expected));

                if (!expected.equals(found)) {
                    throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST,
                            String.format("checksum mismatch: %s (found) != %s (expected)", found, expected));
                }
            } catch (IllegalArgumentException e) {
                throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, "invalid SHA-1 checksum: " + sha1);
            }
        }

    }

    protected void createDisk(Disk disk) {
        DiskUtils.createDisk(disk);
    }

    protected void removeDisk(Disk disk) {
        DiskUtils.removeDisk(disk.getUuid());
    }

    private Disk saveAndInflateFiles() {

        int fileSizeLimit = ServiceConfiguration.getInstance().UPLOAD_COMPRESSED_IMAGE_MAX_BYTES;

        DiskFileItemFactory factory = new DiskFileItemFactory();
        factory.setRepository(FileUtils.getUploadCacheDirectory());
        factory.setSizeThreshold(fileSizeLimit);

        RestletFileUpload upload = new RestletFileUpload(factory);

        List<FileItem> items = null;

        try {
            items = upload.parseRequest(getRequest());
        } catch (FileUploadException e) {
            throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, e.getMessage());
        }

        FileItem lastFileItem = null;
        for (FileItem fi : items) {
            if (fi.getName() != null) {
                lastFileItem = fi;
            }
        }

        for (FileItem fi : items) {
            if (fi != lastFileItem) {
                fi.delete();
            }
        }

        if (lastFileItem != null) {
            return inflateAndProcessImage(lastFileItem);
        } else {
            throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, "empty file uploaded");
        }
    }

    protected Disk inflateAndProcessImage(FileItem fi) {

        File cachedDiskFile = null;

        try {

            Disk disk = initializeDisk();

            cachedDiskFile = FileUtils.getCachedDiskFile(disk.getUuid());

            try {
                long size = inflateFile(fi.getInputStream(), cachedDiskFile);
                disk.setSize(size);
            } catch (IOException e) {
                throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, "no valid file uploaded");
            }

            try {
                disk.setIdentifier(DiskUtils.calculateHash(cachedDiskFile));
            } catch (FileNotFoundException e) {
                throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, e.getMessage());
            }
            validateNewDisk(disk);
            return disk;

        } catch (RuntimeException e) {
            if (cachedDiskFile != null) {
                if (!cachedDiskFile.delete()) {
                    getLogger().warning("could not delete file: " + cachedDiskFile.getAbsolutePath());
                }
            }
            throw e;
        } finally {
            fi.delete();
        }
    }

    private long inflateFile(InputStream gzippedContents, File inflatedFile) {

        GZIPInputStream in = null;
        OutputStream out = null;

        try {

            in = new GZIPInputStream(gzippedContents);
            out = new FileOutputStream(inflatedFile);

            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }

        } catch (IOException e) {
            throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, e.getMessage());
        } finally {
            FileUtils.closeIgnoringError(in);
            FileUtils.closeIgnoringError(out);
        }
        return DiskUtils.convertBytesToGibiBytes(inflatedFile.length());
    }

    private Map<String, Object> listDisks() {
        Map<String, Object> info = createInfoStructure("Disks");

        addCreateFormDefaults(info);

        String username = getUsername(getRequest());
        List<DiskView> disks;
        if (isSuperUser(username)) {
            disks = Disk.listAll();
        } else {
            disks = Disk.listAllByUser(username);
        }
        info.put("disks", disks);

        return info;
    }

}

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{'dir': 'git-commits-cleaned', 'id': '4336836', 'n_tokens_mistral': 5940, 'n_tokens_neox': 5653, 'n_words': 1399}