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Subject: [OASIS Issue Tracker] Updated: (ODATA-466) Edm.Binary should be base64-encoded (as with OData V3), not base16-encoded (as per current ABNF)
[ http://tools.oasis-open.org/issues/browse/ODATA-466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stefan Drees updated ODATA-466:
-------------------------------
Resolution:
https://www.oasis-open.org/committees/download.php/50849/odata-v4.0-wd04-part2-url-conventions-2013-09-27.docx
https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/ABNF/odata-abnf-construction-rules.txt?rev=481
https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/ABNF/odata-abnf-testcases.xml?rev=481
https://www.oasis-open.org/committees/download.php/50848/odata-v4.0-wd04-part3-csdl-2013-09-27.docx
https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/schemas/edm.xsd?rev=485
https://www.oasis-open.org/committees/download.php/50852/odata-atom-format-v4.0-wd04-2013-09-27.docx
https://www.oasis-open.org/committees/download.php/50851/odata-json-format-v4.0-wd04-2013-09-27.docx
Applied: https://www.oasis-open.org/committees/download.php/50877/odata-meeting-54_on-20131001-minutes.html#ga_01
was:
https://www.oasis-open.org/committees/download.php/50849/odata-v4.0-wd04-part2-url-conventions-2013-09-27.docx
https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/ABNF/odata-abnf-construction-rules.txt?rev=481
https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/ABNF/odata-abnf-testcases.xml?rev=481
https://www.oasis-open.org/committees/download.php/50848/odata-v4.0-wd04-part3-csdl-2013-09-27.docx
https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/schemas/edm.xsd?rev=485
https://www.oasis-open.org/committees/download.php/50852/odata-atom-format-v4.0-wd04-2013-09-27.docx
https://www.oasis-open.org/committees/download.php/50851/odata-json-format-v4.0-wd04-2013-09-27.docx
> Edm.Binary should be base64-encoded (as with OData V3), not base16-encoded (as per current ABNF)
> ------------------------------------------------------------------------------------------------
>
> Key: ODATA-466
> URL: http://tools.oasis-open.org/issues/browse/ODATA-466
> Project: OASIS Open Data Protocol (OData) TC
> Issue Type: Bug
> Components: OData ABNF Construction Rules, OData ATOM Format , OData CSDL, OData JSON Format, OData URL Conventions
> Affects Versions: V4.0_CSD02
> Environment: [Applying]
> Reporter: Evan Ireland
> Assignee: Ralf Handl
> Fix For: V4.0_CSD03
>
>
> OData V3 encodes Edm.Binary using base64 encoding, as defined by RFC4648.
> OData V4 JSON and ATOM specs for encoding of primitive values refer to "binaryValue" in the ABNF.
> It this an intentional change for the encoding of binary values in payload (switching from base16 to base64)?
> Or have we accidentally (by having URL conventions and ATOM/JSON documents referring to the same binaryValue ABNF rule) changed to base16?
> Also, I note that odata4j does base64 encoding including CR/LF, whereas RFC 4648 (referred to by OData V3 spec) states:
> Implementations MUST NOT add line feeds to base-encoded data unless
> the specification referring to this document explicitly directs base
> encoders to add line feeds after a specific number of characters.
> My reason for pointing this out is that if we decide to revert OData V4 to using base64-encoding for binary values in payload, then we might consider explicitly mentioning that CR/LF is disallowed in the encoding. Even although that should be apparent if we have a suitable ABNF rule for base64 that doesn't permit CR/LF, we should be clear so that implementors are reminded not to make the same mistake that was made in odata4j.
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