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Jul 25, 2018
Merged

Update PostObjectSample.java #148

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64 changes: 33 additions & 31 deletions src/samples/PostObjectSample.java
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Original file line number Diff line number Diff line change
Expand Up @@ -22,9 +22,7 @@
import javax.activation.MimetypesFileTypeMap;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;

import org.apache.commons.codec.binary.Base64;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
Expand Down Expand Up @@ -53,94 +51,98 @@ public class PostObjectSample {
// The key name for the file to upload.
private String key = "<key>";


private void PostObject() throws Exception {
private void postObject() throws Exception {
// append the 'bucketname.' prior to the domain, such as http://bucket1.oss-cn-hangzhou.aliyuncs.com.
String urlStr = endpoint.replace("http://", "http://" + bucketName+ ".");
String urlStr = endpoint.replace("http://", "http://" + bucketName + ".");

// form fields
Map<String, String> formFields = new LinkedHashMap<String, String>();

// key
formFields.put("key", this.key);
// Content-Disposition
formFields.put("Content-Disposition", "attachment;filename="
+ localFilePath);
+ localFilePath);
// OSSAccessKeyId
formFields.put("OSSAccessKeyId", accessKeyId);
// policy
String policy = "{\"expiration\": \"2120-01-01T12:00:00.000Z\",\"conditions\": [[\"content-length-range\", 0, 104857600]]}";
String policy
= "{\"expiration\": \"2120-01-01T12:00:00.000Z\",\"conditions\": [[\"content-length-range\", 0, 104857600]]}";
String encodePolicy = new String(Base64.encodeBase64(policy.getBytes()));
formFields.put("policy", encodePolicy);
// Signature
String signaturecom = computeSignature(accessKeySecret, encodePolicy);
formFields.put("Signature", signaturecom);
// Set security token.
formFields.put("x-oss-security-token", "<yourSecurityToken>");

String ret = formUpload(urlStr, formFields, localFilePath);

System.out.println("Post Object [" + this.key + "] to bucket [" + bucketName + "]");
System.out.println("post reponse:" + ret);
}
private static String computeSignature(String accessKeySecret, String encodePolicy)
throws UnsupportedEncodingException, NoSuchAlgorithmException, InvalidKeyException {

private static String computeSignature(String accessKeySecret, String encodePolicy)
throws UnsupportedEncodingException, NoSuchAlgorithmException, InvalidKeyException {
// convert to UTF-8
byte[] key = accessKeySecret.getBytes("UTF-8");
byte[] data = encodePolicy.getBytes("UTF-8");

// hmac-sha1
Mac mac = Mac.getInstance("HmacSHA1");
mac.init(new SecretKeySpec(key, "HmacSHA1"));
byte[] sha = mac.doFinal(data);

// base64
return new String(Base64.encodeBase64(sha));
}

private static String formUpload(String urlStr, Map<String, String> formFields, String localFile)
throws Exception {
throws Exception {
String res = "";
HttpURLConnection conn = null;
String boundary = "9431149156168";

try {
URL url = new URL(urlStr);
conn = (HttpURLConnection) url.openConnection();
conn = (HttpURLConnection)url.openConnection();
conn.setConnectTimeout(5000);
conn.setReadTimeout(30000);
conn.setDoOutput(true);
conn.setDoInput(true);
conn.setRequestMethod("POST");
conn.setRequestProperty("User-Agent",
"Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-CN; rv:1.9.2.6)");
conn.setRequestProperty("User-Agent",
"Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-CN; rv:1.9.2.6)");
// Set Content-MD5. The MD5 value is calculated based on the whole message body.
conn.setRequestProperty("Content-MD5", "<yourContentMD5>");
conn.setRequestProperty("Content-Type",
"multipart/form-data; boundary=" + boundary);
"multipart/form-data; boundary=" + boundary);
OutputStream out = new DataOutputStream(conn.getOutputStream());

// text
if (formFields != null) {
StringBuffer strBuf = new StringBuffer();
Iterator<Entry<String, String>> iter = formFields.entrySet().iterator();
int i = 0;

while (iter.hasNext()) {
Entry<String, String> entry = iter.next();
String inputName = entry.getKey();
String inputValue = entry.getValue();

if (inputValue == null) {
continue;
}

if (i == 0) {
strBuf.append("--").append(boundary).append("\r\n");
strBuf.append("Content-Disposition: form-data; name=\""
+ inputName + "\"\r\n\r\n");
+ inputName + "\"\r\n\r\n");
strBuf.append(inputValue);
} else {
strBuf.append("\r\n").append("--").append(boundary).append("\r\n");
strBuf.append("Content-Disposition: form-data; name=\""
+ inputName + "\"\r\n\r\n");
+ inputName + "\"\r\n\r\n");
strBuf.append(inputValue);
}

Expand All @@ -159,9 +161,9 @@ private static String formUpload(String urlStr, Map<String, String> formFields,

StringBuffer strBuf = new StringBuffer();
strBuf.append("\r\n").append("--").append(boundary)
.append("\r\n");
.append("\r\n");
strBuf.append("Content-Disposition: form-data; name=\"file\"; "
+ "filename=\"" + filename + "\"\r\n");
+ "filename=\"" + filename + "\"\r\n");
strBuf.append("Content-Type: " + contentType + "\r\n\r\n");

out.write(strBuf.toString().getBytes());
Expand Down Expand Up @@ -198,13 +200,13 @@ private static String formUpload(String urlStr, Map<String, String> formFields,
conn = null;
}
}

return res;
}

public static void main(String[] args) throws Exception {
PostObjectSample ossPostObject = new PostObjectSample();
ossPostObject.PostObject();
ossPostObject.postObject();
}

}