ierandra commented on code in PR #1861: URL: https://github.com/apache/jackrabbit-oak/pull/1861#discussion_r1963166419
########## oak-blob-cloud-azure/src/main/java/org/apache/jackrabbit/oak/blob/cloud/azure/blobstorage/AzureBlobContainerProvider.java: ########## @@ -171,176 +153,92 @@ public String getContainerName() { return containerName; } + public String getAzureConnectionString() { + return azureConnectionString; + } + @NotNull - public CloudBlobContainer getBlobContainer() throws DataStoreException { - return this.getBlobContainer(null); + public BlobContainerClient getBlobContainer() throws DataStoreException { + return this.getBlobContainer(null, new Properties()); } @NotNull - public CloudBlobContainer getBlobContainer(@Nullable BlobRequestOptions blobRequestOptions) throws DataStoreException { + public BlobContainerClient getBlobContainer(@Nullable RequestRetryOptions retryOptions, Properties properties) throws DataStoreException { // connection string will be given preference over service principals / sas / account key if (StringUtils.isNotBlank(azureConnectionString)) { log.debug("connecting to azure blob storage via azureConnectionString"); - return Utils.getBlobContainer(azureConnectionString, containerName, blobRequestOptions); + return Utils.getBlobContainerFromConnectionString(getAzureConnectionString(), accountName); } else if (authenticateViaServicePrincipal()) { log.debug("connecting to azure blob storage via service principal credentials"); - return getBlobContainerFromServicePrincipals(blobRequestOptions); + return getBlobContainerFromServicePrincipals(accountName, retryOptions); } else if (StringUtils.isNotBlank(sasToken)) { log.debug("connecting to azure blob storage via sas token"); final String connectionStringWithSasToken = Utils.getConnectionStringForSas(sasToken, blobEndpoint, accountName); - return Utils.getBlobContainer(connectionStringWithSasToken, containerName, blobRequestOptions); + return Utils.getBlobContainer(connectionStringWithSasToken, containerName, retryOptions, properties); } log.debug("connecting to azure blob storage via access key"); final String connectionStringWithAccountKey = Utils.getConnectionString(accountName, accountKey, blobEndpoint); - return Utils.getBlobContainer(connectionStringWithAccountKey, containerName, blobRequestOptions); - } - - @NotNull - private CloudBlobContainer getBlobContainerFromServicePrincipals(@Nullable BlobRequestOptions blobRequestOptions) throws DataStoreException { - StorageCredentialsToken storageCredentialsToken = getStorageCredentials(); - try { - CloudStorageAccount cloud = new CloudStorageAccount(storageCredentialsToken, true, DEFAULT_ENDPOINT_SUFFIX, accountName); - CloudBlobClient cloudBlobClient = cloud.createCloudBlobClient(); - if (blobRequestOptions != null) { - cloudBlobClient.setDefaultRequestOptions(blobRequestOptions); - } - return cloudBlobClient.getContainerReference(containerName); - } catch (URISyntaxException | StorageException e) { - throw new DataStoreException(e); - } - } - - @NotNull - private StorageCredentialsToken getStorageCredentials() { - boolean isAccessTokenGenerated = false; - /* generate access token, the same token will be used for subsequent access - * generated token is valid for 1 hour only and will be refreshed in background - * */ - if (accessToken == null) { - clientSecretCredential = new ClientSecretCredentialBuilder() - .clientId(clientId) - .clientSecret(clientSecret) - .tenantId(tenantId) - .build(); - accessToken = clientSecretCredential.getTokenSync(new TokenRequestContext().addScopes(AZURE_DEFAULT_SCOPE)); - if (accessToken == null || StringUtils.isBlank(accessToken.getToken())) { - log.error("Access token is null or empty"); - throw new IllegalArgumentException("Could not connect to azure storage, access token is null or empty"); - } - storageCredentialsToken = new StorageCredentialsToken(accountName, accessToken.getToken()); - isAccessTokenGenerated = true; - } - - Objects.requireNonNull(storageCredentialsToken, "storage credentials token cannot be null"); - - // start refresh token executor only when the access token is first generated - if (isAccessTokenGenerated) { - log.info("starting refresh token task at: {}", OffsetDateTime.now()); - TokenRefresher tokenRefresher = new TokenRefresher(); - executorService.scheduleWithFixedDelay(tokenRefresher, TOKEN_REFRESHER_INITIAL_DELAY, TOKEN_REFRESHER_DELAY, TimeUnit.MINUTES); - } - return storageCredentialsToken; + return Utils.getBlobContainer(connectionStringWithAccountKey, containerName, retryOptions, properties); } @NotNull - public String generateSharedAccessSignature(BlobRequestOptions requestOptions, + public String generateSharedAccessSignature(RequestRetryOptions retryOptions, String key, - EnumSet<SharedAccessBlobPermissions> permissions, + BlobSasPermission blobSasPermissions, int expirySeconds, - SharedAccessBlobHeaders optionalHeaders) throws DataStoreException, URISyntaxException, StorageException, InvalidKeyException { - SharedAccessBlobPolicy policy = new SharedAccessBlobPolicy(); - Date expiry = Date.from(Instant.now().plusSeconds(expirySeconds)); - policy.setSharedAccessExpiryTime(expiry); - policy.setPermissions(permissions); + Properties properties) throws DataStoreException, URISyntaxException, InvalidKeyException { + + OffsetDateTime expiry = OffsetDateTime.now().plusSeconds(expirySeconds); + BlobServiceSasSignatureValues serviceSasSignatureValues = new BlobServiceSasSignatureValues(expiry, blobSasPermissions); - CloudBlockBlob blob = getBlobContainer(requestOptions).getBlockBlobReference(key); + BlockBlobClient blob = getBlobContainer(retryOptions, properties).getBlobClient(key).getBlockBlobClient(); if (authenticateViaServicePrincipal()) { - return generateUserDelegationKeySignedSas(blob, policy, optionalHeaders, expiry); + return generateUserDelegationKeySignedSas(blob, serviceSasSignatureValues, expiry); } - return generateSas(blob, policy, optionalHeaders); - } - - @NotNull - private String generateUserDelegationKeySignedSas(CloudBlockBlob blob, - SharedAccessBlobPolicy policy, - SharedAccessBlobHeaders optionalHeaders, - Date expiry) throws StorageException { - fillEmptyHeaders(optionalHeaders); - UserDelegationKey userDelegationKey = blob.getServiceClient().getUserDelegationKey(Date.from(Instant.now().minusSeconds(900)), - expiry); - return optionalHeaders == null ? blob.generateUserDelegationSharedAccessSignature(userDelegationKey, policy) : - blob.generateUserDelegationSharedAccessSignature(userDelegationKey, policy, optionalHeaders, null, null); - } - - /* set empty headers as blank string due to a bug in Azure SDK - * Azure SDK considers null headers as 'null' string which corrupts the string to sign and generates an invalid - * sas token - * */ - private void fillEmptyHeaders(SharedAccessBlobHeaders sharedAccessBlobHeaders) { - final String EMPTY_STRING = ""; - Optional.ofNullable(sharedAccessBlobHeaders) - .ifPresent(headers -> { - if (StringUtils.isBlank(headers.getCacheControl())) { - headers.setCacheControl(EMPTY_STRING); - } - if (StringUtils.isBlank(headers.getContentDisposition())) { - headers.setContentDisposition(EMPTY_STRING); - } - if (StringUtils.isBlank(headers.getContentEncoding())) { - headers.setContentEncoding(EMPTY_STRING); - } - if (StringUtils.isBlank(headers.getContentLanguage())) { - headers.setContentLanguage(EMPTY_STRING); - } - if (StringUtils.isBlank(headers.getContentType())) { - headers.setContentType(EMPTY_STRING); - } - }); + return generateSas(blob, serviceSasSignatureValues); } @NotNull - private String generateSas(CloudBlockBlob blob, - SharedAccessBlobPolicy policy, - SharedAccessBlobHeaders optionalHeaders) throws InvalidKeyException, StorageException { - return optionalHeaders == null ? blob.generateSharedAccessSignature(policy, null) : - blob.generateSharedAccessSignature(policy, - optionalHeaders, null, null, null, true); + public String generateUserDelegationKeySignedSas(BlockBlobClient blobClient, + BlobServiceSasSignatureValues serviceSasSignatureValues, + OffsetDateTime expiryTime) { + + BlobServiceClient blobServiceClient = new BlobServiceClientBuilder() + .endpoint(String.format(String.format("https://%s.%s", accountName, DEFAULT_ENDPOINT_SUFFIX))) + .credential(getClientSecretCredential()) + .buildClient(); + OffsetDateTime startTime = OffsetDateTime.now(ZoneOffset.UTC); + UserDelegationKey userDelegationKey = blobServiceClient.getUserDelegationKey(startTime, expiryTime); + return blobClient.generateUserDelegationSas(serviceSasSignatureValues, userDelegationKey); } private boolean authenticateViaServicePrincipal() { return StringUtils.isBlank(azureConnectionString) && StringUtils.isNoneBlank(accountName, tenantId, clientId, clientSecret); } - private class TokenRefresher implements Runnable { - @Override - public void run() { - try { - log.debug("Checking for azure access token expiry at: {}", LocalDateTime.now()); - OffsetDateTime tokenExpiryThreshold = OffsetDateTime.now().plusMinutes(5); - if (accessToken.getExpiresAt() != null && accessToken.getExpiresAt().isBefore(tokenExpiryThreshold)) { - log.info("Access token is about to expire (5 minutes or less) at: {}. New access token will be generated", - accessToken.getExpiresAt().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)); - AccessToken newToken = clientSecretCredential.getTokenSync(new TokenRequestContext().addScopes(AZURE_DEFAULT_SCOPE)); - log.info("New azure access token generated at: {}", LocalDateTime.now()); - if (newToken == null || StringUtils.isBlank(newToken.getToken())) { - log.error("New access token is null or empty"); - return; - } - // update access token with newly generated token - accessToken = newToken; - storageCredentialsToken.updateToken(accessToken.getToken()); - } - } catch (Exception e) { - log.error("Error while acquiring new access token: ", e); - } - } + private ClientSecretCredential getClientSecretCredential() { + return new ClientSecretCredentialBuilder() Review Comment: With Azure skd v12 this is done automatically so this is not an issue anymore. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: oak-dev-unsubscr...@jackrabbit.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org