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java.lang.Objectorg.jets3t.servlets.gatekeeper.UrlSigner
org.jets3t.servlets.gatekeeper.impl.DefaultUrlSigner
public class DefaultUrlSigner
Default UrlSigner implementation that signs all requests, putting all objects in a specific S3 bucket and limiting the signature time to a configurable time period.
This implementation also demonstrates how objects may be modified, as it adds a metadata item to each signed object to store the transaction ID in which the object was signed. The transaction id is stored in the metadata name x-amx-gatekeeper-transaction-id
Field Summary | |
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protected ProviderCredentials |
credentials
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protected java.lang.String |
s3BucketName
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protected S3Service |
s3Service
|
protected int |
secondsUntilExpiry
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static java.lang.String |
TRANSACTION_ID_METADATA_NAME
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Constructor Summary | |
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DefaultUrlSigner(javax.servlet.ServletConfig servletConfig)
Constructs the UrlSigner with the required parameters. |
Method Summary | |
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java.lang.String |
signDelete(GatekeeperMessage requestMessage,
ClientInformation clientInformation,
SignatureRequest signatureRequest)
Generate a signed DELETE URL for the signature request. |
java.lang.String |
signGet(GatekeeperMessage requestMessage,
ClientInformation clientInformation,
SignatureRequest signatureRequest)
Generate a signed GET URL for the signature request. |
java.lang.String |
signGetAcl(GatekeeperMessage requestMessage,
ClientInformation clientInformation,
SignatureRequest signatureRequest)
Generate a signed GET URL for an ACL-based signature request. |
java.lang.String |
signHead(GatekeeperMessage requestMessage,
ClientInformation clientInformation,
SignatureRequest signatureRequest)
Generate a signed HEAD URL for the signature request. |
java.lang.String |
signPut(GatekeeperMessage requestMessage,
ClientInformation clientInformation,
SignatureRequest signatureRequest)
Generate a signed PUT URL for the signature request. |
java.lang.String |
signPutAcl(GatekeeperMessage requestMessage,
ClientInformation clientInformation,
SignatureRequest signatureRequest)
Generate a signed PUT URL for an ACL-based signature request. |
protected void |
updateObject(SignatureRequest signatureRequest,
java.util.Properties messageProperties)
Adds a metadata item containing the transaction ID to each object. |
Methods inherited from class org.jets3t.servlets.gatekeeper.UrlSigner |
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calculateExpiryTime |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected ProviderCredentials credentials
protected S3Service s3Service
protected java.lang.String s3BucketName
protected int secondsUntilExpiry
public static final java.lang.String TRANSACTION_ID_METADATA_NAME
Constructor Detail |
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public DefaultUrlSigner(javax.servlet.ServletConfig servletConfig) throws javax.servlet.ServletException
The required parameters that must be available in the servlet configuration are:
servletConfig
-
javax.servlet.ServletException
Method Detail |
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protected void updateObject(SignatureRequest signatureRequest, java.util.Properties messageProperties) throws S3ServiceException
signatureRequest
- messageProperties
-
S3ServiceException
public java.lang.String signDelete(GatekeeperMessage requestMessage, ClientInformation clientInformation, SignatureRequest signatureRequest) throws S3ServiceException
UrlSigner
signDelete
in class UrlSigner
requestMessage
- the request message received from the client.clientInformation
- information about the client's end-point, and any Session or Principal associated with the client.signatureRequest
- a pre-approved signature request.
S3ServiceException
public java.lang.String signGet(GatekeeperMessage requestMessage, ClientInformation clientInformation, SignatureRequest signatureRequest) throws S3ServiceException
UrlSigner
signGet
in class UrlSigner
requestMessage
- the request message received from the client.clientInformation
- information about the client's end-point, and any Session or Principal associated with the client.signatureRequest
- a pre-approved signature request.
S3ServiceException
public java.lang.String signHead(GatekeeperMessage requestMessage, ClientInformation clientInformation, SignatureRequest signatureRequest) throws S3ServiceException
UrlSigner
signHead
in class UrlSigner
requestMessage
- the request message received from the client.clientInformation
- information about the client's end-point, and any Session or Principal associated with the client.signatureRequest
- a pre-approved signature request.
S3ServiceException
public java.lang.String signPut(GatekeeperMessage requestMessage, ClientInformation clientInformation, SignatureRequest signatureRequest) throws S3ServiceException
UrlSigner
signPut
in class UrlSigner
requestMessage
- the request message received from the client.clientInformation
- information about the client's end-point, and any Session or Principal associated with the client.signatureRequest
- a pre-approved signature request.
S3ServiceException
public java.lang.String signGetAcl(GatekeeperMessage requestMessage, ClientInformation clientInformation, SignatureRequest signatureRequest) throws S3ServiceException
UrlSigner
signGetAcl
in class UrlSigner
requestMessage
- the request message received from the client.clientInformation
- information about the client's end-point, and any Session or Principal associated with the client.signatureRequest
- a pre-approved signature request.
S3ServiceException
public java.lang.String signPutAcl(GatekeeperMessage requestMessage, ClientInformation clientInformation, SignatureRequest signatureRequest) throws S3ServiceException
UrlSigner
signPutAcl
in class UrlSigner
requestMessage
- the request message received from the client.clientInformation
- information about the client's end-point, and any Session or Principal associated with the client.signatureRequest
- a pre-approved signature request.
S3ServiceException
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