VOSpacePublicShare < IVOA

IVOA Web>IvoaGridAndWebServices>VOSpaceHome>VOSpacePublicShare (2016-06-08, DaveMorris) (raw view)

[[IVOA.VOSpaceHome][VOSpace home page]]
---+ VOSpace public share protocol

This wiki page serves as the definition for a !VOSpace transfer protocol for sharing node content.

The target use case is to enable users to get a simple URL that provides access to the node content using a simple HTTP GET request.

If a client includes the URI for this protocol in a !PullFromVOSpace transfer request, then the endpoint URL in the !VOSpace server response will contain a simple URL that provides HTTP GET access to the node content.

---++ Basic requirements

   * The endpoint URL MUST work with a simple HTTP GET request.
   * The endpoint URL SHOULD be suitable for listing in a published paper.
   * The endpoint URL SHOULD be suitable for sending to someone in an email.
   * The endpoint URL MUST be able to be used multiple times by multiple clients.

---++ Technical details

   * The URL of [[VOSpacePublicShare][this wiki page]] serves as the URI for this transfer protocol.

   * This protocol SHOULD only valid for a !PullFromVOSpace transfer request.
   * The UWS transfer job will complete immediately.
   * The endpoint URL MUST continue to be valid after the transfer job has completed.

   * The endpoint URL path MUST end with a valid file name based on the node name.
   * The header fields of a HTTP response to a HTTP GET requests MUST contain a valid file name based on the node name.
   * The header fields of a HTTP response to a HTTP GET requests MUST an appropriate mime-type based on the node content.

---++ Technical issues

Things that need to be discussed..

   * What if the transfer request contains more than one protocol - do the others remain valid even if this one has completed ?
   * What happens if the node content changes ? 

   * Do we want to define a ZippedArchive view that can be used in combination with this protocol to download the contents of a !ContainerNode as a zipfile ?

Things that probably go in a separate ProtectedShare protocol ..

   * Do we want to add a property to control the URL lifetime ?
   * Do we want to add a property to control the number of downloads allowed ?
   * Do we want to add a property to control access ?

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Topic revision: r1 - 2016-06-08 - DaveMorris

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