[英]get HTTP/1.1 403 Forbidden when trying to access private content stored in S3(static web hosting) using cloudfront and privateKey
我收到來自Java應用程序的AWS CloudFront的以下響應,該應用程序試圖使用簽名的cookie訪問私有內容(網頁)。
HTTP / 1.1 403禁止[內容類型:application / xml,傳輸編碼:分塊,連接:keep-alive,日期:Fri,23 Aug 2019 12:47:53 GMT,服務器:AmazonS3,X-Cache:來自cloudfront,通過:1.1 1b964435 *********** d975cdd ***。cloudfront.net(CloudFront),X-Amz-Cf-Pop:MXP64-C1,X-Amz-Cf-Id:6Waw **** _ ukbfaev1nrJZZYBl ********** t66R9ctZ ***** A ==] org.apache.http.conn.BasicManagedEntity@5fdba6f9
我嘗試了以下步驟:
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "2",
"Effect": "Allow",
"Principal": {
"AWS": "arn:aws:iam::cloudfront:user/CloudFront Origin Access Identity E1J***SIQ****"
},
"Action": "s3:GetObject",
"Resource": "arn:aws:s3:::my-xxxxx-s3-bucket/*"
}
]
}
<?xml version="1.0" encoding="UTF-8"?>
<CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
<CORSRule>
<AllowedOrigin>*</AllowedOrigin>
<AllowedMethod>GET</AllowedMethod>
<AllowedMethod>HEAD</AllowedMethod>
<MaxAgeSeconds>3000</MaxAgeSeconds>
<AllowedHeader>Authorization</AllowedHeader>
</CORSRule>
</CORSConfiguration>
使用以下方法創建CloudFront分配:
在(CloudFront密鑰對)下創建了安全憑證,並下載了私鑰。 使用以下命令將.pem文件轉換為.der。
openssl pkcs8 -topk8 -nocrypt -in origin.pem -inform PEM -out new.der -outform DER
<dependencies>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-java-sdk</artifactId>
<version>1.11.327</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.bouncycastle/bcprov-jdk15on -->
<dependency>
<groupId>org.bouncycastle</groupId>
<artifactId>bcprov-jdk15on</artifactId>
<version>1.62</version>
</dependency>
<!-- https://mvnrepository.com/artifact/net.java.dev.jets3t/jets3t -->
<dependency>
<groupId>net.java.dev.jets3t</groupId>
<artifactId>jets3t</artifactId>
<version>0.9.4</version>
</dependency>
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.security.spec.InvalidKeySpecException;
import java.text.ParseException;
import java.util.Date;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.jets3t.service.CloudFrontServiceException;
import com.amazonaws.services.cloudfront.CloudFrontCookieSigner;
import com.amazonaws.services.cloudfront.CloudFrontCookieSigner.CookiesForCustomPolicy;
import com.amazonaws.services.cloudfront.util.SignerUtils;
import com.amazonaws.services.cloudfront.util.SignerUtils.Protocol;
import com.amazonaws.util.DateUtils;
public class SignedCookies {
public static void withCustom() throws InvalidKeySpecException, IOException{
Protocol protocol = Protocol.http;
String resourcePath = "index.html";
String distributionDomain = "***ju***lu***.cloudfront.net";
String privateKeyFilePath = "my-path/pk-APKA####K3WH####7U##.der";
File privateKeyFile = new File(privateKeyFilePath);
String s3ObjectKey = "index.html";
String keyPairId = "APKA####K3WH####7U##";
Date activeFrom = DateUtils.parseISO8601Date("2018-11-14T22:20:00.000Z");
Date expiresOn = DateUtils.parseISO8601Date("2020-11-14T22:20:00.000Z");
String ipRange = null;
CookiesForCustomPolicy cookies = CloudFrontCookieSigner.getCookiesForCustomPolicy(
protocol, distributionDomain, privateKeyFile, s3ObjectKey,
keyPairId, expiresOn, activeFrom, ipRange);
@SuppressWarnings({ "resource", "deprecation" })
HttpClient client = new DefaultHttpClient();
HttpGet httpGet = new HttpGet(
SignerUtils.generateResourcePath(protocol, distributionDomain,
resourcePath));
httpGet.addHeader("Cookie", "Secure");
httpGet.addHeader("Cookie", cookies.getPolicy().getKey() + "=" +
cookies.getPolicy().getValue());
httpGet.addHeader("Cookie", cookies.getSignature().getKey() + "=" +
cookies.getSignature().getValue());
httpGet.addHeader("Cookie", cookies.getKeyPairId().getKey() + "=" +
cookies.getKeyPairId().getValue());
HttpResponse response = client.execute(httpGet);
System.out.println(response.toString());
}
public static void main(String[] args) throws FileNotFoundException, IOException, CloudFrontServiceException, ParseException, InvalidKeySpecException {
withCustom();
}
}
如何解決此問題?
請先閱讀我在第一篇文章中的最后評論。 這部分與上一篇文章有關。 這是我用來用signUrlCanned簽名URL並獲取內容的代碼示例,但是當我嘗試使用buildPolicyForSignedUrl時,訪問被拒絕錯誤。
@JamesDean:感謝您的評論。 在上面的例子中。 我從下拉列表中選擇“原始域名”(作為s3存儲桶),並使用OAI(其中我將S3配置為靜態網站),這是我的第一個錯誤。 無論如何,我通過提供自定義來源名稱(靜態網站端點網址)解決了此問題。 然后在未啟用“使用簽名的URL或簽名的Cookie”的情況下進行了測試,並且可以正常工作。 但是如果啟用“使用簽名的URL或簽名的cookie”並嘗試使用簽名的URL或簽名的cookie,則會收到403錯誤,但我無法解決。 如果您仍然可以幫助我,我將在下面提供代碼示例。
使用以下代碼,我可以獲得正確的簽名URL,並且可以訪問內容:
byte[] derPrivateKey = EncryptionUtil.convertRsaPemToDer(new FileInputStream(privateKeyFilePath));
// Generate a "canned" signed URL to allow access to a specific distribution and object
String signedUrlCanned = CloudFrontService.signUrlCanned(
"https://" + distributionDomain + "/" + s3ObjectKey, // Resource URL or Path
keyPairId, // Certificate identifier, an active trusted signer for the distribution
derPrivateKey, // DER Private key data
ServiceUtils.parseIso8601Date("2020-08-30T22:20:00.000Z") // DateLessThan
);
System.out.println(signedUrlCanned);
另一方面,當我嘗試使用針對相同s3內容(根目錄中的index.html)的自定義策略訪問內容時,訪問被拒絕:
String policyResourcePath = distributionDomain + "/*" ;
// Convert an RSA PEM private key file to DER bytes
byte[] derPrivateKey = EncryptionUtil.convertRsaPemToDer(new FileInputStream(privateKeyFilePath));
String policy = CloudFrontService.buildPolicyForSignedUrl(
policyResourcePath, // Resource path (optional, may include '*' and '?' wildcards)
ServiceUtils.parseIso8601Date("2020-11-14T22:20:00.000Z"), // DateLessThan
"0.0.0.0/0", // CIDR IP address restriction (optional, 0.0.0.0/0 means everyone)
ServiceUtils.parseIso8601Date("2017-10-16T06:31:56.000Z") // DateGreaterThan (optional)
);
String signedUrl = CloudFrontService.signUrl(
"https://" + distributionDomain + "/" + s3ObjectKey, // Resource URL or Path
keyPairId, // Certificate identifier, an active trusted signer for the distribution
derPrivateKey, // DER Private key data
policy // Access control policy
);
System.out.println(signedUrl);
我收到的回復:
<?xml version="1.0" encoding="UTF-8"?>
<Error>
<Code>AccessDenied</Code>
<Message>Access denied</Message>
</Error>
代碼參考: https : //jets3t.s3.amazonaws.com/toolkit/code-samples.html
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