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最新评论
-
xinglianxlxl:
对我有用,非常感谢
xstream初步使用 -
liangbo11:
eclipse都无法启动
JDK扩展DCEVM让WEB程序完全不重启调试 -
Love_wh1314:
果然是这个问题。。。维护别人的代码,开始还以为自己改错了,结 ...
JQuery 实践问题 - toLowerCase 错误 -
tonyyan:
谢谢分享!
MAVEN Scope使用 -
908311595:
多谢楼主分享
xstream初步使用
package amazons3; import java.io.File; import java.io.IOException; import java.net.URLEncoder; import java.nio.charset.Charset; import java.util.Date; import java.util.Map; import java.util.TreeMap; import org.apache.commons.lang.StringUtils; import org.apache.http.Header; import org.apache.http.HttpEntity; import org.apache.http.HttpHeaders; import org.apache.http.HttpRequest; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpDelete; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpHead; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.methods.HttpPut; import org.apache.http.entity.FileEntity; import org.apache.http.entity.mime.MultipartEntity; import org.apache.http.entity.mime.content.ContentBody; import org.apache.http.entity.mime.content.FileBody; import org.apache.http.entity.mime.content.StringBody; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.impl.cookie.DateUtils; import org.apache.http.util.EntityUtils; import org.apache.log4j.Logger; /** * S3 client with apache httpclient 4.x * * @author zhangpu * */ public class S3HttpClient { private static final Logger logger = Logger.getLogger(S3HttpClient.class); static String accessKey = "AKIAJC2MNN5XZWLRB4UQ"; static String secretKey = "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"; static String bucket = "zhangpu"; public static void main(String[] args) throws Exception { File localFile = new File("D:/temp/s3testfile.txt"); String objectName = localFile.getName() + "1"; // postObject(bucket, objectName, localFile, null, false, null, null); Map<String, String> protocols = new TreeMap<String, String>(); Map<String, String> metas = new TreeMap<String, String>(); metas.put("x-amz-meta-name", "zhangpu"); metas.put("x-amz-meta-type", "type"); putObject(bucket, objectName, localFile, "text/plant", false, null, metas); getObject(bucket, objectName, null, null, null, null); protocols.clear(); protocols.put(HttpHeaders.IF_NONE_MATCH, "3e89d34c93742d0a92d4dce69a857e2f"); protocols.put(HttpHeaders.CONTENT_ENCODING, "gzip"); getObject(bucket, objectName, null, protocols, null, null); headObject(bucket, objectName, null, null); deleteObject(bucket, objectName, null); } /** * POST方式上传文件 * * @param bucket * @param objectName * @param localFile * @param contentType * @param checkDigest * @param protocols * @param metas * @return * @throws Exception */ public static Header[] postObject(String bucket, String objectName, File localFile, String contentType, boolean checkDigest, Map<String, String> protocols, Map<String, String> metas) throws Exception { HttpClient httpClient = new DefaultHttpClient(); if (StringUtils.isBlank(objectName)) { objectName = localFile.getName(); } String url = "http://" + bucket + ".s3.amazonaws.com/" + objectName; String resource = "/" + bucket + "/" + objectName; HttpPost request = new HttpPost(url); Charset charset = Charset.forName("UTF-8"); MultipartEntity mpEntity = new MultipartEntity(); mpEntity.addPart("key", new StringBody("/user/${filename}", charset)); if (StringUtils.isNotBlank(contentType)) { mpEntity.addPart("Content-Type", new StringBody(contentType, charset)); } if (metas != null && metas.size() > 0) { for (Map.Entry<String, String> entry : metas.entrySet()) { mpEntity.addPart(entry.getKey(), new StringBody(entry.getValue(), charset)); } } mpEntity.addPart("AWSAccessKeyId", new StringBody(accessKey, charset)); String Signature = SignUtils.hmac(accessKey, secretKey, "POST", "", contentType, "", resource, protocols, metas); mpEntity.addPart("Signature", new StringBody(Signature, charset)); ContentBody fileBody = new FileBody(localFile); mpEntity.addPart("file", fileBody); request.setEntity(mpEntity); printRequest(request); HttpResponse response = httpClient.execute(request); printResponse(response); HttpEntity entity = response.getEntity(); if (entity != null && entity.getContentLength() > 0) { logger.info("entity:\n" + EntityUtils.toString(response.getEntity())); } logger.info(""); logger.info(""); return null; } /** * 上传文件 * * @param bucket * @param objectName * @param localFile * @param contentType * @param md5 * @param protocols * @param metas */ public static void putObject(String bucket, String objectName, File localFile, String contentType, boolean checkDigest, Map<String, String> protocols, Map<String, String> metas) throws Exception { HttpClient httpClient = new DefaultHttpClient(); if (StringUtils.isBlank(objectName)) { objectName = localFile.getName(); } String url = "http://" + bucket + ".s3.amazonaws.com/" + objectName; String resource = "/" + bucket + "/" + objectName; HttpPut request = new HttpPut(url); String contentMD5 = ""; if (checkDigest) { contentMD5 = SignUtils.md5file(localFile); } Date date = new Date(); String dateString = DateUtils.formatDate(date, DateUtils.PATTERN_RFC1036); String authorization = SignUtils.sign(accessKey, secretKey, "PUT", contentMD5, contentType, dateString, resource, protocols, metas); request.addHeader("Date", dateString); request.addHeader("Authorization", authorization); if (StringUtils.isNotBlank(contentMD5)) { request.addHeader("Content-MD5", contentMD5); } if (StringUtils.isNotBlank(contentType)) { request.addHeader("Content-Type", contentType); } marshallProtocol(request, protocols); marshallProtocol(request, metas); printRequest(request); FileEntity fileEntity = new FileEntity(localFile, contentType); request.setEntity(fileEntity); HttpResponse response = httpClient.execute(request); printResponse(response); HttpEntity entity = response.getEntity(); if (entity != null && entity.getContentLength() > 0) { logger.info("entity:\n" + EntityUtils.toString(response.getEntity())); } logger.info(""); logger.info(""); } /** * 下载文件 * * @param bucket * @param objectName * @param versionId * @param protocols * @param metas * @throws IOException */ public static void getObject(String bucket, String objectName, String versionId, Map<String, String> protocols, Map<String, String> metas, Map<String, String> queries) throws IOException { HttpClient httpClient = new DefaultHttpClient(); String query = marshallQuery(queries); String url = "http://" + bucket + ".s3.amazonaws.com/" + objectName + query; HttpGet request = new HttpGet(url); Date date = new Date(); String dateString = DateUtils.formatDate(date, DateUtils.PATTERN_RFC1036); String resource = "/" + bucket + "/" + objectName + query; String authorization = SignUtils.sign(accessKey, secretKey, "GET", "", "", dateString, resource, protocols, metas); request.addHeader("Date", dateString); request.addHeader("Authorization", authorization); marshallProtocol(request, protocols); marshallProtocol(request, metas); printRequest(request); HttpResponse response = httpClient.execute(request); printResponse(response); HttpEntity entity = response.getEntity(); if (entity != null && entity.getContentLength() > 0) { logger.info("entity:\n" + EntityUtils.toString(response.getEntity())); } logger.info(""); } public static void headObject(String bucket, String objectName, String versionId, Map<String, String> protocols) throws IOException { HttpClient httpClient = new DefaultHttpClient(); String url = "http://" + bucket + ".s3.amazonaws.com/" + objectName; HttpHead request = new HttpHead(url); Date date = new Date(); String dateString = DateUtils.formatDate(date, DateUtils.PATTERN_RFC1036); String authorization = SignUtils.sign(accessKey, secretKey, "HEAD", "", "", dateString, "/" + bucket + "/" + objectName, null, null); request.addHeader("Date", dateString); request.addHeader("Authorization", authorization); marshallProtocol(request, protocols); printRequest(request); HttpResponse response = httpClient.execute(request); printResponse(response); HttpEntity entity = response.getEntity(); if (entity != null && entity.getContentLength() > 0) { logger.info("entity:" + EntityUtils.toString(response.getEntity())); } } /** * 删除对象 * * @param bucket * @param objectName * @param versionId * @throws Exception */ public static void deleteObject(String bucket, String objectName, String versionId) throws Exception { HttpClient httpClient = new DefaultHttpClient(); String url = "http://" + bucket + ".s3.amazonaws.com/" + URLEncoder.encode(objectName, "UTF-8"); String resource = "/" + bucket + "/" + objectName; if (StringUtils.isNotBlank(versionId)) { url += "?versionId=" + versionId; resource += "?versionId=" + versionId; } HttpDelete request = new HttpDelete(url); Date date = new Date(); String dateString = DateUtils.formatDate(date, DateUtils.PATTERN_RFC1036); String authorization = SignUtils.sign(accessKey, secretKey, "DELETE", "", "", dateString, resource, null, null); request.addHeader("Date", dateString); request.addHeader("Authorization", authorization); printRequest(request); HttpResponse response = httpClient.execute(request); printResponse(response); HttpEntity entity = response.getEntity(); if (entity != null && entity.getContentLength() > 0) { logger.info("entity:" + EntityUtils.toString(response.getEntity())); } } /** * 打印请求头 * * @param request */ private static void printRequest(HttpRequest request) { logger.info(request.getRequestLine()); printHeader(request.getAllHeaders()); logger.info(""); } /** * 打印响应头 * * @param response */ private static void printResponse(HttpResponse response) { logger.info(response.getStatusLine()); printHeader(response.getAllHeaders()); } /** * 答应HTTP头 * * @param headers */ private static void printHeader(Header[] headers) { for (Header header : headers) { logger.info(header); } } /** * 装配query * * @param queries * @return */ private static String marshallQuery(Map<String, String> queries) { String query = ""; if (queries != null) { boolean first = true; for (Map.Entry<String, String> entry : queries.entrySet()) { query += (first ? "?" : "&") + entry.getKey() + "=" + entry.getValue(); first = false; } } return query; } /** * 设置请求协议 * * @param request * @param protocols */ private static void marshallProtocol(HttpRequest request, Map<String, String> protocols) { if (protocols != null) { for (Map.Entry<String, String> entry : protocols.entrySet()) { request.addHeader(entry.getKey(), entry.getValue()); } } } }
package amazons3; import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.util.Map; import javax.crypto.Mac; import javax.crypto.spec.SecretKeySpec; import org.apache.commons.codec.binary.Base64; import org.apache.commons.codec.digest.DigestUtils; import org.apache.commons.io.FileUtils; import org.apache.commons.lang.StringUtils; import sun.misc.BASE64Encoder; public final class SignUtils { /** * MD5文件 * * @param file * @return * @throws NoSuchAlgorithmException * @throws IOException */ public static String md5file(File file) throws NoSuchAlgorithmException, IOException { MessageDigest messageDigest = MessageDigest.getInstance("MD5"); BufferedInputStream in = new BufferedInputStream(new FileInputStream(file)); byte[] buf = new byte[1024 * 100]; int p = 0; while ((p = in.read(buf)) != -1) { messageDigest.update(buf, 0, p); } in.close(); byte[] digest = messageDigest.digest(); BASE64Encoder encoder = new BASE64Encoder(); return encoder.encode(digest); } public static String simpleMd5File(File file) throws IOException { return DigestUtils.md5Hex(FileUtils.readFileToByteArray(file)); } /** * 计算签名 * * @param httpVerb * @param contentMD5 * @param contentType * @param date * @param resource * @param metas * @return */ public static String sign(String accessKey, String secretKey, String httpVerb, String contentMD5, String contentType, String date, String resource, Map<String, String> protocols, Map<String, String> metas) { return "AWS" + " " + accessKey + ":" + hmac(accessKey, secretKey, httpVerb, contentMD5, contentType, date, resource, protocols, metas); } public static String hmac(String accessKey, String secretKey, String httpVerb, String contentMD5, String contentType, String date, String resource, Map<String, String> protocols, Map<String, String> metas) { String stringToSign = httpVerb + "\n" + StringUtils.trimToEmpty(contentMD5) + "\n" + StringUtils.trimToEmpty(contentType) + "\n" + StringUtils.trimToEmpty(date) + "\n"; if (metas != null) { for (Map.Entry<String, String> entity : metas.entrySet()) { stringToSign += StringUtils.trimToEmpty(entity.getKey()) + ":" + StringUtils.trimToEmpty(entity.getValue()) + "\n"; } } if (protocols != null) { for (Map.Entry<String, String> entity : protocols.entrySet()) { if (entity.getKey().startsWith("x-amz-")) { stringToSign += StringUtils.trimToEmpty(entity.getKey()) + ":" + StringUtils.trimToEmpty(entity.getValue()) + "\n"; } } } stringToSign += resource; try { Mac mac = Mac.getInstance("HmacSHA1"); byte[] keyBytes = secretKey.getBytes("UTF8"); SecretKeySpec signingKey = new SecretKeySpec(keyBytes, "HmacSHA1"); mac.init(signingKey); byte[] signBytes = mac.doFinal(stringToSign.getBytes("UTF8")); String signature = encodeBase64(signBytes); return signature; } catch (Exception e) { throw new RuntimeException("MAC CALC FAILED."); } } public static String encodeBase64(byte[] data) { String base64 = new String(Base64.encodeBase64(data)); if (base64.endsWith("\r\n")) base64 = base64.substring(0, base64.length() - 2); if (base64.endsWith("\n")) base64 = base64.substring(0, base64.length() - 1); return base64; } }
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