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[feature] Support new model of interaction flow for forward compat with v0.21.0 (#4394)

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~~Still WIP!~~

This PR allows v0.20.0 of GtS to be forward-compatible with the interaction request / authorization flow that will fully replace the current flow in v0.21.0.

Basically, this means we need to recognize LikeRequest, ReplyRequest, and AnnounceRequest, and in response to those requests, deliver either a Reject or an Accept, with the latter pointing towards a LikeAuthorization, ReplyAuthorization, or AnnounceAuthorization, respectively. This can then be used by the remote instance to prove to third parties that the interaction has been accepted by the interactee. These Authorization types need to be dereferencable to third parties, so we need to serve them.

As well as recognizing the above "polite" interaction request types, we also need to still serve appropriate responses to "impolite" interaction request types, where an instance that's unaware of interaction policies tries to interact with a post by sending a reply, like, or boost directly, without wrapping it in a WhateverRequest type.

Doesn't fully close https://codeberg.org/superseriousbusiness/gotosocial/issues/4026 but gets damn near (just gotta update the federating with GtS documentation).

Migrations tested on both Postgres and SQLite.

Co-authored-by: kim <grufwub@gmail.com>
Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4394
Co-authored-by: tobi <tobi.smethurst@protonmail.com>
Co-committed-by: tobi <tobi.smethurst@protonmail.com>
This commit is contained in:
tobi 2025-09-14 15:37:35 +02:00 • committed by tobi
commit 754b7be9cf
126 changed files with 6637 additions and 1778 deletions
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58
internal/uris/uri.go
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@ -27,27 +27,28 @@ import (
)
const (
UsersPath = "users" // UsersPath is for serving users info
StatusesPath = "statuses" // StatusesPath is for serving statuses
InboxPath = "inbox" // InboxPath represents the activitypub inbox location
OutboxPath = "outbox" // OutboxPath represents the activitypub outbox location
FollowersPath = "followers" // FollowersPath represents the activitypub followers location
FollowingPath = "following" // FollowingPath represents the activitypub following location
LikedPath = "liked" // LikedPath represents the activitypub liked location
CollectionsPath = "collections" // CollectionsPath represents the activitypub collections location
FeaturedPath = "featured" // FeaturedPath represents the activitypub featured location
PublicKeyPath = "main-key" // PublicKeyPath is for serving an account's public key
FollowPath = "follow" // FollowPath used to generate the URI for an individual follow or follow request
UpdatePath = "updates" // UpdatePath is used to generate the URI for an account update
BlocksPath = "blocks" // BlocksPath is used to generate the URI for a block
MovesPath = "moves" // MovesPath is used to generate the URI for a move
ReportsPath = "reports" // ReportsPath is used to generate the URI for a report/flag
ConfirmEmailPath = "confirm_email" // ConfirmEmailPath is used to generate the URI for an email confirmation link
FileserverPath = "fileserver" // FileserverPath is a path component for serving attachments + media
EmojiPath = "emoji" // EmojiPath represents the activitypub emoji location
TagsPath = "tags" // TagsPath represents the activitypub tags location
AcceptsPath = "accepts" // AcceptsPath represents the activitypub Accept's location
RejectsPath = "rejects" // RejectsPath represents the activitypub Reject's location
UsersPath = "users" // UsersPath is for serving users info
StatusesPath = "statuses" // StatusesPath is for serving statuses
InboxPath = "inbox" // InboxPath represents the activitypub inbox location
OutboxPath = "outbox" // OutboxPath represents the activitypub outbox location
FollowersPath = "followers" // FollowersPath represents the activitypub followers location
FollowingPath = "following" // FollowingPath represents the activitypub following location
LikedPath = "liked" // LikedPath represents the activitypub liked location
CollectionsPath = "collections" // CollectionsPath represents the activitypub collections location
FeaturedPath = "featured" // FeaturedPath represents the activitypub featured location
PublicKeyPath = "main-key" // PublicKeyPath is for serving an account's public key
FollowPath = "follow" // FollowPath used to generate the URI for an individual follow or follow request
UpdatePath = "updates" // UpdatePath is used to generate the URI for an account update
BlocksPath = "blocks" // BlocksPath is used to generate the URI for a block
MovesPath = "moves" // MovesPath is used to generate the URI for a move
ReportsPath = "reports" // ReportsPath is used to generate the URI for a report/flag
ConfirmEmailPath = "confirm_email" // ConfirmEmailPath is used to generate the URI for an email confirmation link
FileserverPath = "fileserver" // FileserverPath is a path component for serving attachments + media
EmojiPath = "emoji" // EmojiPath represents the activitypub emoji location
TagsPath = "tags" // TagsPath represents the activitypub tags location
AcceptsPath = "accepts" // AcceptsPath represents the activitypub Accept's location
AuthorizationsPath = "authorizations" // AuthorizationsPath represents the location of an Authorization type such as LikeAuthorization, ReplyAuthorization, etc.
RejectsPath = "rejects" // RejectsPath represents the activitypub Reject's location
)
// UserURIs contains a bunch of UserURIs
@ -210,6 +211,21 @@ func GenerateURIForAccept(username string, thisAcceptID string) string {
)
}
// GenerateURIForAuthorization returns the AP URI for a new Authorization object,
// ie., LikeAuthorization, ReplyAuthorization, or AnnounceAuthorization.
// Eg., https://example.org/users/whatever_user/authorizations/01F7XTH1QGBAPMGF49WJZ91XGC
func GenerateURIForAuthorization(username string, id string) string {
proto := config.GetProtocol()
host := config.GetHost()
return buildURL4(proto,
host,
UsersPath,
username,
AuthorizationsPath,
id,
)
}
// GenerateURIForReject returns the AP URI for a new Reject activity -- something like:
// https://example.org/users/whatever_user/rejects/01F7XTH1QGBAPMGF49WJZ91XGC
func GenerateURIForReject(username string, thisRejectID string) string {