gotosocial/internal/api/s2s/user/repliesget.go
Tobi Smethurst 0f2de6394a
Dereference remote replies (#132)
* decided where to put reply dereferencing

* fiddling with dereferencing threads

* further adventures

* tidy up some stuff

* move dereferencing functionality

* a bunch of refactoring

* go fmt

* more refactoring

* bleep bloop

* docs and linting

* start implementing replies collection on gts side

* fiddling around

* allow dereferencing our replies

* lint, fmt
2021-08-10 13:32:39 +02:00

187 lines
5.5 KiB
Go

package user
import (
"context"
"encoding/json"
"fmt"
"net/http"
"strconv"
"github.com/gin-gonic/gin"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
// StatusRepliesGETHandler swagger:operation GET /users/{username}/statuses/{status}/replies s2sRepliesGet
//
// Get the replies collection for a status.
//
// Note that the response will be a Collection with a page as `first`, as shown below, if `page` is `false`.
//
// If `page` is `true`, then the response will be a single `CollectionPage` without the wrapping `Collection`.
//
// HTTP signature is required on the request.
//
// ---
// tags:
// - s2s/federation
//
// produces:
// - application/activity+json
//
// parameters:
// - name: username
// type: string
// description: Username of the account.
// in: path
// required: true
// - name: status
// type: string
// description: ID of the status.
// in: path
// required: true
// - name: page
// type: boolean
// description: Return response as a CollectionPage.
// in: query
// default: false
// - name: only_other_accounts
// type: boolean
// description: Return replies only from accounts other than the status owner.
// in: query
// default: false
// - name: min_id
// type: string
// description: Minimum ID of the next status, used for paging.
// in: query
//
// responses:
// '200':
// in: body
// schema:
// "$ref": "#/definitions/swaggerStatusRepliesCollection"
// '400':
// description: bad request
// '401':
// description: unauthorized
// '403':
// description: forbidden
// '404':
// description: not found
func (m *Module) StatusRepliesGETHandler(c *gin.Context) {
l := m.log.WithFields(logrus.Fields{
"func": "StatusRepliesGETHandler",
"url": c.Request.RequestURI,
})
requestedUsername := c.Param(UsernameKey)
if requestedUsername == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "no username specified in request"})
return
}
requestedStatusID := c.Param(StatusIDKey)
if requestedStatusID == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "no status id specified in request"})
return
}
page := false
pageString := c.Query(PageKey)
if pageString != "" {
i, err := strconv.ParseBool(pageString)
if err != nil {
l.Debugf("error parsing page string: %s", err)
c.JSON(http.StatusBadRequest, gin.H{"error": "couldn't parse page query param"})
return
}
page = i
}
onlyOtherAccounts := false
onlyOtherAccountsString := c.Query(OnlyOtherAccountsKey)
if onlyOtherAccountsString != "" {
i, err := strconv.ParseBool(onlyOtherAccountsString)
if err != nil {
l.Debugf("error parsing only_other_accounts string: %s", err)
c.JSON(http.StatusBadRequest, gin.H{"error": "couldn't parse only_other_accounts query param"})
return
}
onlyOtherAccounts = i
}
minID := ""
minIDString := c.Query(MinIDKey)
if minIDString != "" {
minID = minIDString
}
// make sure this actually an AP request
format := c.NegotiateFormat(ActivityPubAcceptHeaders...)
if format == "" {
c.JSON(http.StatusNotAcceptable, gin.H{"error": "could not negotiate format with given Accept header(s)"})
return
}
l.Tracef("negotiated format: %s", format)
// transfer the signature verifier from the gin context to the request context
ctx := c.Request.Context()
verifier, signed := c.Get(string(util.APRequestingPublicKeyVerifier))
if signed {
ctx = context.WithValue(ctx, util.APRequestingPublicKeyVerifier, verifier)
}
replies, err := m.processor.GetFediStatusReplies(ctx, requestedUsername, requestedStatusID, page, onlyOtherAccounts, minID, c.Request.URL)
if err != nil {
l.Info(err.Error())
c.JSON(err.Code(), gin.H{"error": err.Safe()})
return
}
b, mErr := json.Marshal(replies)
if mErr != nil {
err := fmt.Errorf("could not marshal json: %s", mErr)
l.Error(err)
c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
return
}
c.Data(http.StatusOK, format, b)
}
// SwaggerStatusRepliesCollection represents a response to GET /users/{username}/statuses/{status}/replies.
// swagger:model swaggerStatusRepliesCollection
type SwaggerStatusRepliesCollection struct {
// ActivityStreams context.
// example: https://www.w3.org/ns/activitystreams
Context string `json:"@context"`
// ActivityStreams ID.
// example: https://example.org/users/some_user/statuses/106717595988259568/replies
ID string `json:"id"`
// ActivityStreams type.
// example: Collection
Type string `json:"type"`
// ActivityStreams first property.
First SwaggerStatusRepliesCollectionPage `json:"first"`
}
// SwaggerStatusRepliesCollectionPage represents one page of a collection.
// swagger:model swaggerStatusRepliesCollectionPage
type SwaggerStatusRepliesCollectionPage struct {
// ActivityStreams ID.
// example: https://example.org/users/some_user/statuses/106717595988259568/replies?page=true
ID string `json:"id"`
// ActivityStreams type.
// example: CollectionPage
Type string `json:"type"`
// Link to the next page.
// example: https://example.org/users/some_user/statuses/106717595988259568/replies?only_other_accounts=true&page=true
Next string `json:"next"`
// Collection this page belongs to.
// example: https://example.org/users/some_user/statuses/106717595988259568/replies
PartOf string `json:"partOf"`
// Items on this page.
// example: ["https://example.org/users/some_other_user/statuses/086417595981111564", "https://another.example.com/users/another_user/statuses/01FCN8XDV3YG7B4R42QA6YQZ9R"]
Items []string `json:"items"`
}