multipart/related document body doesn't identify which part is which attachment
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Key: COUCHDB-1368
URL: https://issues.apache.org/jira/browse/COUCHDB-1368
Project: CouchDB
Issue Type: Bug
Components: HTTP Interface
Reporter: Jens Alfke
Priority: Minor
If you GET a document with attachments in multipart/related format (by adding
?attachments=true and setting Accept:multipart/related), the MIME bodies for
the attachments have no headers. This makes it difficult to tell which one is
which. Damien says they're in the same order that they appear in the document's
"_attachments" object ... which is fine if you're Erlang, because Erlang
preserves the order of keys in a JSON object, but no other JSON implementation
I know of does that (because they use hashtables instead of linked lists.)
The upshot is that any non-Erlang code trying to parse such a response will
have to do some by-hand parsing of the JSON data to get the _attachment keys in
order.
This can be fixed by adding a "Content-ID" header to each attachment body,
whose value is the filename. It would be nice if other standard headers were
added too, like "Content-Type", "Content-Length", "Content-Encoding", as this
would make it work better with existing MIME multipart libraries.
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