complete FEDERATION.md initial file

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Hugh Rundle 2023-07-01 14:23:02 +10:00
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@ -18,6 +18,16 @@ User relationship interactions follow the standard ActivityPub spec.
- `Delete`: deactivates a user
- `Undo`: reverses a `Follow` or `Block`
### Activities
- `Create/Status`: saves a new status in the database.
- `Delete/Status`: Removes a status
- `Like/Status`: Creates a favorite on the status
- `Announce/Status`: Boosts the status into the actor's timeline
- `Undo/*`,: Reverses a `Like` or `Announce`
### Collections
User's books and lists are represented by [`OrderedCollection`](https://www.w3.org/TR/activitystreams-vocabulary/#dfn-orderedcollection)
### Statuses
BookWyrm is focused on book reading activities - it is not a general-purpose messaging application. For this reason, BookWyrm only accepts status `Create` activities if they are:
@ -26,9 +36,9 @@ BookWyrm is focused on book reading activities - it is not a general-purpose mes
- Related to a book (of a custom status type that includes the field `inReplyToBook`),
- Replies to existing statuses saved in the database
All other statuses will be received by the instance inbox, but **will not be delivered to user inboxes or displayed to users**.
All other statuses will be received by the instance inbox, but by design **will not be delivered to user inboxes or displayed to users**.
#### Non-standard Object types
### Custom Object types
With the exception of `Note`, the following object types are used in Bookwyrm but are not currently provided with a JSON-LD `@context` extension IRI. This is likely to change in future to make them true deserialisable JSON-LD objects.
@ -40,10 +50,71 @@ Within BookWyrm a `Note` is constructed according to [the ActivityStreams vocabu
A `Review` is a status in response to a book (indicated by the `inReplyToBook` field), which has a title, body, and numerical rating between 0 (not rated) and 5.
Example:
```json
{
"id": "https://example.net/user/library_lurker/review/2",
"type": "Review",
"published": "2023-06-30T21:43:46.013132+00:00",
"attributedTo": "https://example.net/user/library_lurker",
"content": "<p>This is an enjoyable book with great characters.</p>",
"to": ["https://example.net/user/library_lurker/followers"],
"cc": [],
"replies": {
"id": "https://example.net/user/library_lurker/review/2/replies",
"type": "OrderedCollection",
"totalItems": 0,
"first": "https://example.net/user/library_lurker/review/2/replies?page=1",
"last": "https://example.net/user/library_lurker/review/2/replies?page=1",
"@context": "https://www.w3.org/ns/activitystreams"
},
"summary": "Spoilers ahead!",
"tag": [],
"attachment": [],
"sensitive": true,
"inReplyToBook": "https://example.net/book/1",
"name": "What a cracking read",
"rating": 4.5,
"@context": "https://www.w3.org/ns/activitystreams"
}
```
##### Comment
A `Comment` on a book mentions a book and has a message body.
Example:
```json
{
"id": "https://example.net/user/library_lurker/comment/9",
"type": "Comment",
"published": "2023-06-30T21:43:46.013132+00:00",
"attributedTo": "https://example.net/user/library_lurker",
"content": "<p>This is a very enjoyable book so far.</p>",
"to": ["https://example.net/user/library_lurker/followers"],
"cc": [],
"replies": {
"id": "https://example.net/user/library_lurker/comment/9/replies",
"type": "OrderedCollection",
"totalItems": 0,
"first": "https://example.net/user/library_lurker/comment/9/replies?page=1",
"last": "https://example.net/user/library_lurker/comment/9/replies?page=1",
"@context": "https://www.w3.org/ns/activitystreams"
},
"summary": "Spoilers ahead!",
"tag": [],
"attachment": [],
"sensitive": true,
"inReplyToBook": "https://example.net/book/1",
"readingStatus": "reading",
"progress": 25,
"progressMode": "PG",
"@context": "https://www.w3.org/ns/activitystreams"
}
```
##### Quotation
A quotation (aka "quote") has a message body, an excerpt from a book, and mentions a book.
@ -52,35 +123,40 @@ Example:
```json
{
"id": "https://example.com/user/mouse/quotation/13",
"url": "https://example.com/user/mouse/quotation/13",
"id": "https://example.net/user/mouse/quotation/13",
"url": "https://example.net/user/mouse/quotation/13",
"inReplyTo": null,
"published": "2020-05-10T02:38:31.150343+00:00",
"attributedTo": "https://example.com/user/mouse",
"attributedTo": "https://example.net/user/mouse",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://example.com/user/mouse/followers"
"https://example.net/user/mouse/followers"
],
"sensitive": false,
"content": "commentary",
"content": "I really like this quote",
"type": "Quotation",
"replies": {
"id": "https://example.com/user/mouse/quotation/13/replies",
"id": "https://example.net/user/mouse/quotation/13/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://example.com/user/mouse/quotation/13/replies?only_other_accounts=true&page=true",
"partOf": "https://example.com/user/mouse/quotation/13/replies",
"next": "https://example.net/user/mouse/quotation/13/replies?only_other_accounts=true&page=true",
"partOf": "https://example.net/user/mouse/quotation/13/replies",
"items": []
}
},
"inReplyToBook": "https://example.com/book/1",
"quote": "quote body"
"inReplyToBook": "https://example.net/book/1",
"quote": "To be or not to be, that is the question.",
"position": 50,
"positionMode": "PCT",
"@context": "https://www.w3.org/ns/activitystreams"
}
```
### Custom Objects
##### Work
A particular book, a "work" in the [FRBR](https://en.wikipedia.org/wiki/Functional_Requirements_for_Bibliographic_Records) sense.
@ -88,7 +164,6 @@ Example:
```json
{
"@context": "https://www.w3.org/ns/activitystreams",
"id": "https://bookwyrm.social/book/5988",
"type": "Work",
"authors": [
@ -119,7 +194,8 @@ Example:
"lccn": null,
"editions": [
"https://bookwyrm.social/book/5989"
]
],
"@context": "https://www.w3.org/ns/activitystreams"
}
```
@ -130,9 +206,8 @@ Example:
```json
{
"@context": "https://www.w3.org/ns/activitystreams",
"id": "https://bookwyrm.social/book/5989",
"lastEditedBy": "https://example.com/users/rat",
"lastEditedBy": "https://example.net/users/rat",
"type": "Edition",
"authors": [
"https://bookwyrm.social/author/417"
@ -169,24 +244,62 @@ Example:
"publishers": [
"Bloomsbury Publishing Plc"
],
"work": "https://bookwyrm.social/book/5988"
"work": "https://bookwyrm.social/book/5988",
"@context": "https://www.w3.org/ns/activitystreams"
}
```
#### Activities
- `Create/Status`: saves a new status in the database.
- `Delete/Status`: Removes a status
- `Like/Status`: Creates a favorite on the status
- `Announce/Status`: Boosts the status into the actor's timeline
- `Undo/*`,: Reverses a `Like` or `Announce`
#### Shelf
### Collections
User's books and lists are represented by [`OrderedCollection`](https://www.w3.org/TR/activitystreams-vocabulary/#dfn-orderedcollection)
A user's book collection. By default, every user has a `to-read`, `reading`, and `read` shelf which are used to track reading progress. Users may create an unlimited number of additional shelves with their own ids.
#### Custom Objects
Example
- `Shelf`: A user's book collection. By default, every user has a `to-read`, `reading`, and `read` shelf which are used to track reading progress. Users may create an unlimited number of additional shelves with their own ids.
- `List`: A collection of books that may have items contributed by users other than the one who created the list.
```json
{
"id": "https://example.net/user/avid_reader/books/extraspecialbooks-5",
"type": "Shelf",
"totalItems": 0,
"first": "https://example.net/user/avid_reader/books/extraspecialbooks-5?page=1",
"last": "https://example.net/user/avid_reader/books/extraspecialbooks-5?page=1",
"name": "Extra special books",
"owner": "https://example.net/user/avid_reader",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://example.net/user/avid_reader/followers"
],
"@context": "https://www.w3.org/ns/activitystreams"
}
```
#### List
A collection of books that may have items contributed by users other than the one who created the list.
Example:
```json
{
"id": "https://example.net/list/1",
"type": "BookList",
"totalItems": 0,
"first": "https://example.net/list/1?page=1",
"last": "https://example.net/list/1?page=1",
"name": "My cool list",
"owner": "https://example.net/user/avid_reader",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://example.net/user/avid_reader/followers"
],
"summary": "A list of books I like.",
"curation": "curated",
"@context": "https://www.w3.org/ns/activitystreams"
}
```
#### Activities