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https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-12-25 18:15:49 +01:00
fix indentation
This commit is contained in:
MPeter
parent
e75f80c3f9
commit
4c14dd5f72
@ -17,100 +17,100 @@ import androidx.annotation.Nullable;
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* Utility class for recognition and reading of ZIP archives.
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*/
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public class ZipFile {
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private static final Logger LOG = LoggerFactory.getLogger(ZipFile.class);
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public static final byte[] ZIP_HEADER = new byte[]{
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0x50, 0x4B, 0x03, 0x04
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};
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private static final Logger LOG = LoggerFactory.getLogger(ZipFile.class);
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public static final byte[] ZIP_HEADER = new byte[]{
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0x50, 0x4B, 0x03, 0x04
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};
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private final byte[] zipBytes;
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private final byte[] zipBytes;
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/**
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* Open ZIP file from byte array already in memory.
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* @param zipBytes data to handle as a ZIP file.
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*/
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public ZipFile(byte[] zipBytes) {
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this.zipBytes = zipBytes;
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}
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/**
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* Open ZIP file from byte array already in memory.
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* @param zipBytes data to handle as a ZIP file.
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*/
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public ZipFile(byte[] zipBytes) {
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this.zipBytes = zipBytes;
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}
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/**
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* Open ZIP file from InputStream.<br>
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* This will read the entire file into memory at once.
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* @param inputStream data to handle as a ZIP file.
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*/
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public ZipFile(InputStream inputStream) throws IOException {
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this.zipBytes = readAllBytes(inputStream);
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}
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/**
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* Open ZIP file from InputStream.<br>
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* This will read the entire file into memory at once.
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* @param inputStream data to handle as a ZIP file.
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*/
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public ZipFile(InputStream inputStream) throws IOException {
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this.zipBytes = readAllBytes(inputStream);
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}
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/**
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* Checks if data resembles a ZIP file.<br>
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* The check is not infallible: it may report self-extracting or other exotic ZIP archives as not a ZIP file, and it may report a corrupted ZIP file as a ZIP file.
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* @param data The data to check.
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* @return Whether data resembles a ZIP file.
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*/
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public static boolean isZipFile(byte[] data) {
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return ArrayUtils.equals(data, ZIP_HEADER, 0);
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}
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/**
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* Checks if data resembles a ZIP file.<br>
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* The check is not infallible: it may report self-extracting or other exotic ZIP archives as not a ZIP file, and it may report a corrupted ZIP file as a ZIP file.
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* @param data The data to check.
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* @return Whether data resembles a ZIP file.
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*/
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public static boolean isZipFile(byte[] data) {
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return ArrayUtils.equals(data, ZIP_HEADER, 0);
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}
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/**
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* Reads the contents of file at path into a byte array.
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* @param path Path of the file in the ZIP file.
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* @return byte array contatining the contents of the requested file.
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* @throws ZipFileException If the specified path does not exist or references a directory, or if some other I/O error occurs. In other words, if return value would otherwise be null.
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*/
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public byte[] getFileFromZip(final String path) throws ZipFileException {
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try (InputStream is = new ByteArrayInputStream(zipBytes); ZipInputStream zipInputStream = new ZipInputStream(is)) {
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ZipEntry zipEntry;
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while ((zipEntry = zipInputStream.getNextEntry()) != null) {
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if (!zipEntry.getName().equals(path)) continue; // TODO: is this always a path? The documentation is very vague.
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/**
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* Reads the contents of file at path into a byte array.
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* @param path Path of the file in the ZIP file.
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* @return byte array contatining the contents of the requested file.
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* @throws ZipFileException If the specified path does not exist or references a directory, or if some other I/O error occurs. In other words, if return value would otherwise be null.
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*/
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public byte[] getFileFromZip(final String path) throws ZipFileException {
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try (InputStream is = new ByteArrayInputStream(zipBytes); ZipInputStream zipInputStream = new ZipInputStream(is)) {
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ZipEntry zipEntry;
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while ((zipEntry = zipInputStream.getNextEntry()) != null) {
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if (!zipEntry.getName().equals(path)) continue; // TODO: is this always a path? The documentation is very vague.
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if (zipEntry.isDirectory()) {
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throw new ZipFileException(String.format("Path in ZIP file is a directory: %s", path));
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if (zipEntry.isDirectory()) {
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throw new ZipFileException(String.format("Path in ZIP file is a directory: %s", path));
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}
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return readAllBytes(zipInputStream);
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}
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return readAllBytes(zipInputStream);
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}
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throw new ZipFileException(String.format("Path in ZIP file was not found: %s", path));
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throw new ZipFileException(String.format("Path in ZIP file was not found: %s", path));
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} catch (ZipException e) {
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throw new ZipFileException("The ZIP file might be corrupted");
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} catch (IOException e) {
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throw new ZipFileException("General IO error");
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}
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}
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} catch (ZipException e) {
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throw new ZipFileException("The ZIP file might be corrupted");
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} catch (IOException e) {
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throw new ZipFileException("General IO error");
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}
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}
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/**
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* Tries to obtain file from ZIP file without much hassle, but is not safe.<br>
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* Please only use this in place of old code where correctness of the result is checked only later on.<br>
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* Use getFileFromZip of ZipFile instance instead.
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* @param zipBytes
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* @param path Path of the file in the ZIP file.
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* @return Contents of requested file or null.
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*/
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@Deprecated
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@Nullable
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public static byte[] tryReadFileQuick(final byte[] zipBytes, final String path) {
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try {
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return new ZipFile(zipBytes).getFileFromZip(path);
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} catch (ZipFileException e) {
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LOG.error("Quick ZIP reading failed.", e);
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} catch (Exception e) {
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LOG.error("Unable to close ZipFile.", e);
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}
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/**
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* Tries to obtain file from ZIP file without much hassle, but is not safe.<br>
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* Please only use this in place of old code where correctness of the result is checked only later on.<br>
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* Use getFileFromZip of ZipFile instance instead.
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* @param zipBytes
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* @param path Path of the file in the ZIP file.
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* @return Contents of requested file or null.
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*/
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@Deprecated
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@Nullable
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public static byte[] tryReadFileQuick(final byte[] zipBytes, final String path) {
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try {
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return new ZipFile(zipBytes).getFileFromZip(path);
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} catch (ZipFileException e) {
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LOG.error("Quick ZIP reading failed.", e);
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} catch (Exception e) {
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LOG.error("Unable to close ZipFile.", e);
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}
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return null;
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}
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return null;
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}
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private static byte[] readAllBytes(final InputStream is) throws IOException {
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final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
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private static byte[] readAllBytes(final InputStream is) throws IOException {
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final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
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int n;
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byte[] buf = new byte[16384];
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int n;
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byte[] buf = new byte[16384];
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while ((n = is.read(buf, 0, buf.length)) != -1) {
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buffer.write(buf, 0, n);
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}
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while ((n = is.read(buf, 0, buf.length)) != -1) {
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buffer.write(buf, 0, n);
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}
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return buffer.toByteArray();
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}
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return buffer.toByteArray();
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}
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}
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@ -1,7 +1,7 @@
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package nodomain.freeyourgadget.gadgetbridge.util;
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public class ZipFileException extends Exception {
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public ZipFileException(String message) {
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super(String.format("Error while reading ZIP file: %s", message));
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}
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public ZipFileException(String message) {
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super(String.format("Error while reading ZIP file: %s", message));
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}
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}
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@ -16,152 +16,152 @@ import nodomain.freeyourgadget.gadgetbridge.util.ZipFile;
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import nodomain.freeyourgadget.gadgetbridge.util.ZipFileException;
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public class ZipFileTest extends TestBase {
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private static final String TEST_FILE_NAME = "manifest.json";
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private static final String TEST_NESTED_FILE_NAME = "directory/manifest.json";
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private static final String TEST_FILE_CONTENTS_1 = "{ \"mykey\": \"myvalue\", \"myarr\": [0, 1, 2, 3] }";
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private static final String TEST_FILE_CONTENTS_2 = "{\n" +
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" \"manifest\": {\n" +
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" \"application\": {\n" +
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" \"bin_file\": \"pinetime-mcuboot-app-image-1.10.0.bin\",\n" +
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" \"dat_file\": \"pinetime-mcuboot-app-image-1.10.0.dat\",\n" +
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" \"init_packet_data\": {\n" +
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" \"application_version\": 4294967295,\n" +
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" \"device_revision\": 65535,\n" +
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" \"device_type\": 82,\n" +
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" \"firmware_crc16\": 21770,\n" +
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" \"softdevice_req\": [\n" +
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" 65534\n" +
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" ]\n" +
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" }\n" +
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" },\n" +
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" \"dfu_version\": 0.5\n" +
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" }\n" +
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"}";
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private static final String TEST_FILE_NAME = "manifest.json";
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private static final String TEST_NESTED_FILE_NAME = "directory/manifest.json";
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private static final String TEST_FILE_CONTENTS_1 = "{ \"mykey\": \"myvalue\", \"myarr\": [0, 1, 2, 3] }";
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private static final String TEST_FILE_CONTENTS_2 = "{\n" +
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" \"manifest\": {\n" +
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" \"application\": {\n" +
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" \"bin_file\": \"pinetime-mcuboot-app-image-1.10.0.bin\",\n" +
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" \"dat_file\": \"pinetime-mcuboot-app-image-1.10.0.dat\",\n" +
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" \"init_packet_data\": {\n" +
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" \"application_version\": 4294967295,\n" +
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" \"device_revision\": 65535,\n" +
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" \"device_type\": 82,\n" +
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" \"firmware_crc16\": 21770,\n" +
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" \"softdevice_req\": [\n" +
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" 65534\n" +
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" ]\n" +
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" }\n" +
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" },\n" +
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" \"dfu_version\": 0.5\n" +
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" }\n" +
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"}";
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@Test
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public void testZipSize1() throws IOException, ZipFileException {
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final String contents = TEST_FILE_CONTENTS_1;
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@Test
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public void testZipSize1() throws IOException, ZipFileException {
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final String contents = TEST_FILE_CONTENTS_1;
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byte[] zipArchive = createZipArchive(TEST_FILE_NAME, contents);
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byte[] zipArchive = createZipArchive(TEST_FILE_NAME, contents);
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ZipFile zipFile = new ZipFile(zipArchive);
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String readContents = new String(zipFile.getFileFromZip(TEST_FILE_NAME));
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ZipFile zipFile = new ZipFile(zipArchive);
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String readContents = new String(zipFile.getFileFromZip(TEST_FILE_NAME));
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Assert.assertEquals(contents, readContents);
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}
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@Test
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public void testZipSize2() throws IOException, ZipFileException {
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final String contents = TEST_FILE_CONTENTS_2;
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byte[] zipArchive = createZipArchive(TEST_FILE_NAME, contents);
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ZipFile zipFile = new ZipFile(zipArchive);
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String readContents = new String(zipFile.getFileFromZip(TEST_FILE_NAME));
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Assert.assertEquals(contents, readContents);
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}
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@Test
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public void testZipSize3() throws IOException, ZipFileException, JSONException {
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String contents = makeLargeJsonObject(new JSONObject(TEST_FILE_CONTENTS_2), 4).toString(4);
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byte[] zipArchive = createZipArchive(TEST_FILE_NAME, contents);
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ZipFile zipFile = new ZipFile(zipArchive);
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String readContents = new String(zipFile.getFileFromZip(TEST_FILE_NAME));
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Assert.assertEquals(contents, readContents);
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}
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@Test
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public void testZipSize4() throws IOException, ZipFileException, JSONException {
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String contents = makeLargeJsonObject(new JSONObject(TEST_FILE_CONTENTS_2), 32).toString(4);
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byte[] zipArchive = createZipArchive(TEST_FILE_NAME, contents);
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ZipFile zipFile = new ZipFile(zipArchive);
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String readContents = new String(zipFile.getFileFromZip(TEST_FILE_NAME));
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Assert.assertEquals(contents, readContents);
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}
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@Test
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public void testZipFileInDir() throws IOException, ZipFileException {
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String contents = TEST_FILE_CONTENTS_1;
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byte[] zipArchive = createZipArchive(TEST_NESTED_FILE_NAME, contents);
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ZipFile zipFile = new ZipFile(zipArchive);
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String readContents = new String(zipFile.getFileFromZip(TEST_NESTED_FILE_NAME));
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Assert.assertEquals(contents, readContents);
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}
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@Test
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public void testZipFilesUnorderedAccess() throws IOException, ZipFileException {
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String contents1 = TEST_FILE_CONTENTS_1;
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String contents2 = TEST_FILE_CONTENTS_2;
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String contents3 = "zbuMyWvIxeKgcWnsSYOd8CTLgjc9x7ti21OlLlGduMJVXlKc835WEUKJ3xR6GDA5d0tHSXnYxZkDlznFQVyueHhwYywsMO9PlkJqjOCA2Mn8uTuTliIKUNPBraFipOodb6rW31HdKLOd7gmniLF5mvdRPHOUKIXSMciqogOsZnvGXylMx6TegesGBWAeHFhTSQ5xXOrOEUsDHK78M3A0yFXzLE0XgwI90Tl87OHyWfE0y0yINv5PjxgGCLUB7mHYFpgPW1C5yyIkb2JA6CePE3hHv369khwmLumW7P9ErZhzdGgeskz6Os0p5HMrTFuySc0PWxsIfru1HldIH9TZTSMCbd91G5jCCikyx2zrzDKaasuQZyBGZcMjr1zcCLpPQiKT7ELSoUBCKhiFODxbFA06MC5bLXh2WvyP8W2kVxT2T4AnDX6pwf1BKs4nbHpAjvMmHrzlhQp7Q6VWBEiniY5M9QW4ExRcMGIBYXvY7vu5p";
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final ByteArrayOutputStream baos = new ByteArrayOutputStream();
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final ZipOutputStream zipWriteStream = new ZipOutputStream(baos);
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writeFileToZip(contents1, "file1", zipWriteStream);
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writeFileToZip(contents2, "file2", zipWriteStream);
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writeFileToZip(contents3, "file3", zipWriteStream);
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zipWriteStream.close();
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ZipFile zipFile = new ZipFile(baos.toByteArray());
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String readContents2 = new String(zipFile.getFileFromZip("file2"));
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String readContents1 = new String(zipFile.getFileFromZip("file1"));
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String readContents3 = new String(zipFile.getFileFromZip("file3"));
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Assert.assertEquals(contents1, readContents1);
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Assert.assertEquals(contents2, readContents2);
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Assert.assertEquals(contents3, readContents3);
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}
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/**
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* Create a ZIP archive with a single text file.
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* The archive will not be saved to a file, it is kept in memory.
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*
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* @return the ZIP archive
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*/
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private byte[] createZipArchive(String path, String fileContents) throws IOException {
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final ByteArrayOutputStream baos = new ByteArrayOutputStream();
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final ZipOutputStream zipFile = new ZipOutputStream(baos);
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writeFileToZip(fileContents, path, zipFile);
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zipFile.close();
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return baos.toByteArray();
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}
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/**
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* Make a larger JSON object for testing purposes, based on a preexisting JSON object.
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*/
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private JSONObject makeLargeJsonObject(JSONObject base, int repetitions) throws JSONException {
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JSONObject manifestObj = base.getJSONObject("manifest");
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JSONArray array = new JSONArray();
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for (int i = 0; i < repetitions; i++) {
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array.put(manifestObj);
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Assert.assertEquals(contents, readContents);
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}
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return base.put("array", array);
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}
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@Test
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public void testZipSize2() throws IOException, ZipFileException {
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final String contents = TEST_FILE_CONTENTS_2;
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/**
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* Write given data to file at given path into an already opened ZIP archive.
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* Allows to create an archive with multiple files.
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*/
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private void writeFileToZip(String fileContents, String path, ZipOutputStream zipFile) throws IOException {
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byte[] data = fileContents.getBytes(StandardCharsets.UTF_8);
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byte[] zipArchive = createZipArchive(TEST_FILE_NAME, contents);
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ZipEntry zipEntry = new ZipEntry(path);
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zipFile.putNextEntry(zipEntry);
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zipFile.write(data, 0, fileContents.length());
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zipFile.closeEntry();
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}
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ZipFile zipFile = new ZipFile(zipArchive);
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String readContents = new String(zipFile.getFileFromZip(TEST_FILE_NAME));
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Assert.assertEquals(contents, readContents);
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}
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@Test
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public void testZipSize3() throws IOException, ZipFileException, JSONException {
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String contents = makeLargeJsonObject(new JSONObject(TEST_FILE_CONTENTS_2), 4).toString(4);
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byte[] zipArchive = createZipArchive(TEST_FILE_NAME, contents);
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ZipFile zipFile = new ZipFile(zipArchive);
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String readContents = new String(zipFile.getFileFromZip(TEST_FILE_NAME));
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Assert.assertEquals(contents, readContents);
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}
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@Test
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public void testZipSize4() throws IOException, ZipFileException, JSONException {
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String contents = makeLargeJsonObject(new JSONObject(TEST_FILE_CONTENTS_2), 32).toString(4);
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byte[] zipArchive = createZipArchive(TEST_FILE_NAME, contents);
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ZipFile zipFile = new ZipFile(zipArchive);
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String readContents = new String(zipFile.getFileFromZip(TEST_FILE_NAME));
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Assert.assertEquals(contents, readContents);
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}
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@Test
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public void testZipFileInDir() throws IOException, ZipFileException {
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String contents = TEST_FILE_CONTENTS_1;
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byte[] zipArchive = createZipArchive(TEST_NESTED_FILE_NAME, contents);
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ZipFile zipFile = new ZipFile(zipArchive);
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String readContents = new String(zipFile.getFileFromZip(TEST_NESTED_FILE_NAME));
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Assert.assertEquals(contents, readContents);
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}
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@Test
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public void testZipFilesUnorderedAccess() throws IOException, ZipFileException {
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String contents1 = TEST_FILE_CONTENTS_1;
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String contents2 = TEST_FILE_CONTENTS_2;
|
||||
String contents3 = "zbuMyWvIxeKgcWnsSYOd8CTLgjc9x7ti21OlLlGduMJVXlKc835WEUKJ3xR6GDA5d0tHSXnYxZkDlznFQVyueHhwYywsMO9PlkJqjOCA2Mn8uTuTliIKUNPBraFipOodb6rW31HdKLOd7gmniLF5mvdRPHOUKIXSMciqogOsZnvGXylMx6TegesGBWAeHFhTSQ5xXOrOEUsDHK78M3A0yFXzLE0XgwI90Tl87OHyWfE0y0yINv5PjxgGCLUB7mHYFpgPW1C5yyIkb2JA6CePE3hHv369khwmLumW7P9ErZhzdGgeskz6Os0p5HMrTFuySc0PWxsIfru1HldIH9TZTSMCbd91G5jCCikyx2zrzDKaasuQZyBGZcMjr1zcCLpPQiKT7ELSoUBCKhiFODxbFA06MC5bLXh2WvyP8W2kVxT2T4AnDX6pwf1BKs4nbHpAjvMmHrzlhQp7Q6VWBEiniY5M9QW4ExRcMGIBYXvY7vu5p";
|
||||
|
||||
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||
final ZipOutputStream zipWriteStream = new ZipOutputStream(baos);
|
||||
|
||||
writeFileToZip(contents1, "file1", zipWriteStream);
|
||||
writeFileToZip(contents2, "file2", zipWriteStream);
|
||||
writeFileToZip(contents3, "file3", zipWriteStream);
|
||||
zipWriteStream.close();
|
||||
|
||||
ZipFile zipFile = new ZipFile(baos.toByteArray());
|
||||
String readContents2 = new String(zipFile.getFileFromZip("file2"));
|
||||
String readContents1 = new String(zipFile.getFileFromZip("file1"));
|
||||
String readContents3 = new String(zipFile.getFileFromZip("file3"));
|
||||
|
||||
Assert.assertEquals(contents1, readContents1);
|
||||
Assert.assertEquals(contents2, readContents2);
|
||||
Assert.assertEquals(contents3, readContents3);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a ZIP archive with a single text file.
|
||||
* The archive will not be saved to a file, it is kept in memory.
|
||||
*
|
||||
* @return the ZIP archive
|
||||
*/
|
||||
private byte[] createZipArchive(String path, String fileContents) throws IOException {
|
||||
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||
final ZipOutputStream zipFile = new ZipOutputStream(baos);
|
||||
|
||||
writeFileToZip(fileContents, path, zipFile);
|
||||
zipFile.close();
|
||||
|
||||
return baos.toByteArray();
|
||||
}
|
||||
|
||||
/**
|
||||
* Make a larger JSON object for testing purposes, based on a preexisting JSON object.
|
||||
*/
|
||||
private JSONObject makeLargeJsonObject(JSONObject base, int repetitions) throws JSONException {
|
||||
JSONObject manifestObj = base.getJSONObject("manifest");
|
||||
JSONArray array = new JSONArray();
|
||||
|
||||
for (int i = 0; i < repetitions; i++) {
|
||||
array.put(manifestObj);
|
||||
}
|
||||
|
||||
return base.put("array", array);
|
||||
}
|
||||
|
||||
/**
|
||||
* Write given data to file at given path into an already opened ZIP archive.
|
||||
* Allows to create an archive with multiple files.
|
||||
*/
|
||||
private void writeFileToZip(String fileContents, String path, ZipOutputStream zipFile) throws IOException {
|
||||
byte[] data = fileContents.getBytes(StandardCharsets.UTF_8);
|
||||
|
||||
ZipEntry zipEntry = new ZipEntry(path);
|
||||
zipFile.putNextEntry(zipEntry);
|
||||
zipFile.write(data, 0, fileContents.length());
|
||||
zipFile.closeEntry();
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user