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From source file:io.minio.MinioClient.java
License:Apache License
/** * Creates Request object for given request parameters. * * @param method HTTP method./*from w w w. j ava 2s . com*/ * @param bucketName Bucket name. * @param objectName Object name in the bucket. * @param region Amazon S3 region of the bucket. * @param headerMap Map of HTTP headers for the request. * @param queryParamMap Map of HTTP query parameters of the request. * @param contentType Content type of the request body. * @param body HTTP request body. * @param length Length of HTTP request body. */ private Request createRequest(Method method, String bucketName, String objectName, String region, Map<String, String> headerMap, Map<String, String> queryParamMap, final String contentType, final Object body, final int length) throws InvalidBucketNameException, NoSuchAlgorithmException, InsufficientDataException, IOException { if (bucketName == null && objectName != null) { throw new InvalidBucketNameException(NULL_STRING, "null bucket name for object '" + objectName + "'"); } HttpUrl.Builder urlBuilder = this.baseUrl.newBuilder(); if (bucketName != null) { checkBucketName(bucketName); String host = this.baseUrl.host(); if (host.equals(S3_AMAZONAWS_COM)) { // special case: handle s3.amazonaws.com separately if (region != null) { host = AwsS3Endpoints.INSTANCE.endpoint(region); } boolean usePathStyle = false; if (method == Method.PUT && objectName == null && queryParamMap == null) { // use path style for make bucket to workaround "AuthorizationHeaderMalformed" error from s3.amazonaws.com usePathStyle = true; } else if (queryParamMap != null && queryParamMap.containsKey("location")) { // use path style for location query usePathStyle = true; } else if (bucketName.contains(".") && this.baseUrl.isHttps()) { // use path style where '.' in bucketName causes SSL certificate validation error usePathStyle = true; } if (usePathStyle) { urlBuilder.host(host); urlBuilder.addPathSegment(bucketName); } else { urlBuilder.host(bucketName + "." + host); } } else { urlBuilder.addPathSegment(bucketName); } } if (objectName != null) { for (String pathSegment : objectName.split("/")) { // Limitation: // 1. OkHttp does not allow to add '.' and '..' as path segment. // 2. Its not allowed to add path segment as '/', '//', '/usr' or 'usr/'. urlBuilder.addPathSegment(pathSegment); } } if (queryParamMap != null) { for (Map.Entry<String, String> entry : queryParamMap.entrySet()) { urlBuilder.addEncodedQueryParameter(Signer.encodeQueryString(entry.getKey()), Signer.encodeQueryString(entry.getValue())); } } RequestBody requestBody = null; if (body != null) { requestBody = new RequestBody() { @Override public MediaType contentType() { if (contentType != null) { return MediaType.parse(contentType); } else { return MediaType.parse("application/octet-stream"); } } @Override public long contentLength() { if (body instanceof InputStream || body instanceof RandomAccessFile || body instanceof byte[]) { return length; } if (length == 0) { return -1; } else { return length; } } @Override public void writeTo(BufferedSink sink) throws IOException { byte[] data = null; if (body instanceof InputStream) { InputStream stream = (InputStream) body; sink.write(Okio.source(stream), length); } else if (body instanceof RandomAccessFile) { RandomAccessFile file = (RandomAccessFile) body; sink.write(Okio.source(Channels.newInputStream(file.getChannel())), length); } else if (body instanceof byte[]) { sink.write(data, 0, length); } else { sink.writeUtf8(body.toString()); } } }; } HttpUrl url = urlBuilder.build(); // urlBuilder does not encode some characters properly for Amazon S3. // Encode such characters properly here. List<String> pathSegments = url.encodedPathSegments(); urlBuilder = url.newBuilder(); for (int i = 0; i < pathSegments.size(); i++) { urlBuilder.setEncodedPathSegment(i, pathSegments.get(i).replaceAll("\\!", "%21").replaceAll("\\$", "%24").replaceAll("\\&", "%26") .replaceAll("\\'", "%27").replaceAll("\\(", "%28").replaceAll("\\)", "%29") .replaceAll("\\*", "%2A").replaceAll("\\+", "%2B").replaceAll("\\,", "%2C") .replaceAll("\\:", "%3A").replaceAll("\\;", "%3B").replaceAll("\\=", "%3D") .replaceAll("\\@", "%40").replaceAll("\\[", "%5B").replaceAll("\\]", "%5D")); } url = urlBuilder.build(); Request.Builder requestBuilder = new Request.Builder(); requestBuilder.url(url); requestBuilder.method(method.toString(), requestBody); if (headerMap != null) { for (Map.Entry<String, String> entry : headerMap.entrySet()) { requestBuilder.header(entry.getKey(), entry.getValue()); } } String sha256Hash = null; String md5Hash = null; if (this.accessKey != null && this.secretKey != null) { // No need to compute sha256 if endpoint scheme is HTTPS. Issue #415. if (url.isHttps()) { sha256Hash = "UNSIGNED-PAYLOAD"; if (body instanceof BufferedInputStream) { md5Hash = Digest.md5Hash((BufferedInputStream) body, length); } else if (body instanceof RandomAccessFile) { md5Hash = Digest.md5Hash((RandomAccessFile) body, length); } else if (body instanceof byte[]) { byte[] data = (byte[]) body; md5Hash = Digest.md5Hash(data, length); } } else { if (body == null) { sha256Hash = Digest.sha256Hash(new byte[0]); } else { if (body instanceof BufferedInputStream) { String[] hashes = Digest.sha256md5Hashes((BufferedInputStream) body, length); sha256Hash = hashes[0]; md5Hash = hashes[1]; } else if (body instanceof RandomAccessFile) { String[] hashes = Digest.sha256md5Hashes((RandomAccessFile) body, length); sha256Hash = hashes[0]; md5Hash = hashes[1]; } else if (body instanceof byte[]) { byte[] data = (byte[]) body; sha256Hash = Digest.sha256Hash(data, length); md5Hash = Digest.md5Hash(data, length); } else { sha256Hash = Digest.sha256Hash(body.toString()); } } } } if (md5Hash != null) { requestBuilder.header("Content-MD5", md5Hash); } if (url.port() == 80 || url.port() == 443) { requestBuilder.header("Host", url.host()); } else { requestBuilder.header("Host", url.host() + ":" + url.port()); } requestBuilder.header("User-Agent", this.userAgent); if (sha256Hash != null) { requestBuilder.header("x-amz-content-sha256", sha256Hash); } DateTime date = new DateTime(); requestBuilder.header("x-amz-date", date.toString(DateFormat.AMZ_DATE_FORMAT)); return requestBuilder.build(); }