[JAMES-3962] Email/set should support specifying headers on body parts

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.8.0, 3.8.1
• Fix Version/s: 3.9.0
• Component/s: JMAP
• Assignee: Antoine Duprat
• Reporter: Benoit Tellier
• Created: 20/Nov/23 09:18
• Updated: 21/Nov/23 02:28
• Resolved: 21/Nov/23 02:28

Description

Why?

The use case: I want the mail user agent to be able to specify per-body-part specific headers.

A good example is hints about the language of a specific part. Which could be described with `Content-Language`.

CF https://github.com/linagora/tmail-flutter/pull/2343

How?

The JMAP specification allows specifying specific headers per body part but James does not implement this.

We likely should.

Sample request

["Email/set", {
      "accountId": "$ACCOUNT_ID",
      "create": {
        "aaaaaa": {
          "mailboxIds": {
             "${mailboxId.serialize}": true
          },
          "subject": "World domination",
          "htmlBody": [
            {
              "partId": "a49d",
              "type": "text/html"
            }
          ],
          "bodyValues": {
            "a49d": {
              "value": "<p>a body</p>",
              "isTruncated": false,
              "isEncodingProblem": false,
              "header:Specific:asText": "MATCHME"
            }
          }
        }
      }
    }, "c1"]

Issue Links

• links to: GitHub Pull Request #1801