Examples with Nullable javax.annotation.Nullable used on opensource projects

Example 56 with Nullable

use of javax.annotation.Nullable in project keywhiz by square.

the class ExpirationExtractor method expirationFromEncodedCertificateChain.

@Nullable
public static Instant expirationFromEncodedCertificateChain(byte[] content) {
    PemReader reader = new PemReader(new InputStreamReader(new ByteArrayInputStream(content), UTF_8));
    PemObject object;
    try {
        object = reader.readPemObject();
    } catch (IOException e) {
        // Should never occur (reading form byte array)
        throw Throwables.propagate(e);
    }
    Instant earliest = null;
    while (object != null) {
        if (object.getType().equals("CERTIFICATE")) {
            Instant expiry = expirationFromRawCertificate(object.getContent());
            if (earliest == null || expiry.isBefore(earliest)) {
                earliest = expiry;
            }
        }
        try {
            object = reader.readPemObject();
        } catch (IOException e) {
            // Should never occur (reading form byte array)
            throw Throwables.propagate(e);
        }
    }
    return earliest;
}

Example 57 with Nullable

use of javax.annotation.Nullable in project keywhiz by square.

the class ExpirationExtractor method expirationFromKeystore.

@Nullable
public static Instant expirationFromKeystore(String type, String password, byte[] content) {
    KeyStore ks;
    try {
        ks = KeyStore.getInstance(type);
    } catch (KeyStoreException e) {
        // Should never occur (assuming JCE is installed)
        throw Throwables.propagate(e);
    }
    try {
        ks.load(new ByteArrayInputStream(content), password.toCharArray());
    } catch (IOException | NoSuchAlgorithmException | CertificateException e) {
        // Failed to parse
        logger.info("Failed to parse keystore", e);
        return null;
    }
    Instant earliest = null;
    try {
        for (String alias : list(ks.aliases())) {
            Certificate[] chain = ks.getCertificateChain(alias);
            if (chain == null) {
                Certificate certificate = ks.getCertificate(alias);
                if (certificate == null) {
                    // No certs in this entry
                    continue;
                }
                chain = new Certificate[] { certificate };
            }
            for (Certificate cert : chain) {
                if (cert instanceof X509Certificate) {
                    X509Certificate c = (X509Certificate) cert;
                    if (earliest == null || c.getNotAfter().toInstant().isBefore(earliest)) {
                        earliest = c.getNotAfter().toInstant();
                    }
                }
            }
        }
    } catch (KeyStoreException e) {
        // Should never occur (ks was initialized)
        throw Throwables.propagate(e);
    }
    return earliest;
}

Example 58 with Nullable

use of javax.annotation.Nullable in project bazel by bazelbuild.

the class NewHttpArchiveFunction method fetch.

@Nullable
@Override
public RepositoryDirectoryValue.Builder fetch(Rule rule, Path outputDirectory, BlazeDirectories directories, Environment env, Map<String, String> markerData) throws RepositoryFunctionException, InterruptedException {
    NewRepositoryBuildFileHandler buildFileHandler = new NewRepositoryBuildFileHandler(directories.getWorkspace());
    if (!buildFileHandler.prepareBuildFile(rule, env)) {
        return null;
    }
    try {
        FileSystemUtils.createDirectoryAndParents(outputDirectory);
    } catch (IOException e) {
        throw new RepositoryFunctionException(new IOException("Could not create directory for " + rule.getName() + ": " + e.getMessage()), Transience.TRANSIENT);
    }
    // Download.
    Path downloadedPath = downloader.download(rule, outputDirectory, env.getListener(), clientEnvironment);
    // Decompress.
    Path decompressed;
    WorkspaceAttributeMapper mapper = WorkspaceAttributeMapper.of(rule);
    String prefix = null;
    if (mapper.isAttributeValueExplicitlySpecified("strip_prefix")) {
        try {
            prefix = mapper.get("strip_prefix", Type.STRING);
        } catch (EvalException e) {
            throw new RepositoryFunctionException(e, Transience.PERSISTENT);
        }
    }
    decompressed = DecompressorValue.decompress(DecompressorDescriptor.builder().setTargetKind(rule.getTargetKind()).setTargetName(rule.getName()).setArchivePath(downloadedPath).setRepositoryPath(outputDirectory).setPrefix(prefix).build());
    // Finally, write WORKSPACE and BUILD files.
    createWorkspaceFile(decompressed, rule.getTargetKind(), rule.getName());
    buildFileHandler.finishBuildFile(outputDirectory);
    return RepositoryDirectoryValue.builder().setPath(outputDirectory);
}

Example 59 with Nullable

use of javax.annotation.Nullable in project bazel by bazelbuild.

the class RedirectChaser method followRedirects.

/**
   * Follows the 'srcs' attribute of the given label recursively. Keeps repeating as long as the
   * labels are either <code>alias</code> or <code>bind</code> rules.
   *
   * @param env for loading the packages
   * @param label the label to start at
   * @param name user-meaningful description of the content being resolved
   * @return the label which cannot be further resolved
   * @throws InvalidConfigurationException if something goes wrong
   */
@Nullable
public static Label followRedirects(ConfigurationEnvironment env, Label label, String name) throws InvalidConfigurationException, InterruptedException {
    Label oldLabel = null;
    Set<Label> visitedLabels = new HashSet<>();
    visitedLabels.add(label);
    try {
        while (true) {
            Target possibleRedirect = env.getTarget(label);
            if (possibleRedirect == null) {
                return null;
            }
            Label newLabel = getBindOrAliasRedirect(possibleRedirect);
            if (newLabel == null) {
                return label;
            }
            newLabel = label.resolveRepositoryRelative(newLabel);
            oldLabel = label;
            label = newLabel;
            if (!visitedLabels.add(label)) {
                throw new InvalidConfigurationException("The " + name + " points to a rule which " + "recursively references itself. The label " + label + " is part of the loop");
            }
        }
    } catch (NoSuchThingException e) {
        String prefix = oldLabel == null ? "" : "in target '" + oldLabel + "': ";
        throw new InvalidConfigurationException(prefix + e.getMessage(), e);
    }
}

Example 60 with Nullable

use of javax.annotation.Nullable in project bazel by bazelbuild.

the class ConfigurationFactory method getConfiguration.

/**
   * Returns a {@link com.google.devtools.build.lib.analysis.config.BuildConfiguration} based on the
   * given set of build options.
   *
   * <p>If the configuration has already been created, re-uses it, otherwise, creates a new one.
   */
@Nullable
public BuildConfiguration getConfiguration(PackageProviderForConfigurations loadedPackageProvider, BuildOptions buildOptions, boolean actionsDisabled, Cache<String, BuildConfiguration> cache) throws InvalidConfigurationException, InterruptedException {
    String cacheKey = buildOptions.computeCacheKey();
    BuildConfiguration result = cache.getIfPresent(cacheKey);
    if (result != null) {
        return result;
    }
    Map<Class<? extends Fragment>, Fragment> fragments = new HashMap<>();
    // Create configuration fragments
    for (ConfigurationFragmentFactory factory : configurationFragmentFactories) {
        Class<? extends Fragment> fragmentType = factory.creates();
        Fragment fragment = loadedPackageProvider.getFragment(buildOptions, fragmentType);
        if (fragment != null && fragments.get(fragment.getClass()) == null) {
            fragments.put(fragment.getClass(), fragment);
        }
    }
    BlazeDirectories directories = loadedPackageProvider.getDirectories();
    if (loadedPackageProvider.valuesMissing()) {
        return null;
    }
    result = new BuildConfiguration(directories, fragments, buildOptions, actionsDisabled);
    cache.put(cacheKey, result);
    return result;
}