commit 5a6fbfab88f0c811b708c08b334cd56716081963 · hailey.at/cocoon

+14 -1

server/handle_proxy.go

···

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       		encheader := strings.TrimRight(base64.RawURLEncoding.EncodeToString(hj), "=")

     

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       		// When proxying app.bsky.feed.getFeed the token is actually issued for the

     

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       		// underlying feed generator and the app view passes it on. This allows the

     

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       		// getFeed implementation to pass in the desired lxm and aud for the token

     

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       		// and then just delegate to the general proxying logic

     

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       		lxm, proxyTokenLxmExists := e.Get("proxyTokenLxm").(string)

     

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       		if !proxyTokenLxmExists || lxm == "" {

     

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       			lxm = pts[2]

     

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       		}

     

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       		aud, proxyTokenAudExists := e.Get("proxyTokenAud").(string)

     

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       		if !proxyTokenAudExists || aud == "" {

     

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       			aud = svcDid

     

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       		}

     

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       +
       

     

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       		payload := map[string]any{

     

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       			"iss": repo.Repo.Did,

     

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       			"aud": svcDid,

     

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       -
       			"lxm": pts[2],

     

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       +
       			"lxm": lxm,

     

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       			"jti": uuid.NewString(),

     

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       			"exp": time.Now().Add(1 * time.Minute).UTC().Unix(),

     

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       		}

+35

server/handle_proxy_get_feed.go

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       package server

     

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       import (

     

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       	"github.com/Azure/go-autorest/autorest/to"

     

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       	"github.com/bluesky-social/indigo/api/atproto"

     

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       	"github.com/bluesky-social/indigo/api/bsky"

     

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       	"github.com/bluesky-social/indigo/atproto/syntax"

     

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       	"github.com/bluesky-social/indigo/xrpc"

     

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       	"github.com/haileyok/cocoon/internal/helpers"

     

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       	"github.com/labstack/echo/v4"

     

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       )

     

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       func (s *Server) handleProxyBskyFeedGetFeed(e echo.Context) error {

     

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       	feedUri, err := syntax.ParseATURI(e.QueryParam("feed"))

     

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       	if err != nil {

     

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       		return helpers.InputError(e, to.StringPtr("invalid feed uri"))

     

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       	}

     

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       	appViewEndpoint, _, err := s.getAtprotoProxyEndpointFromRequest(e)

     

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       	if err != nil {

     

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       		e.Logger().Error("could not get atproto proxy", "error", err)

     

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       		return helpers.ServerError(e, nil)

     

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       	}

     

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       	appViewClient := xrpc.Client{

     

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       		Host: appViewEndpoint,

     

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       	}

     

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       	feedRecord, err := atproto.RepoGetRecord(e.Request().Context(), &appViewClient, "", feedUri.Collection().String(), feedUri.Authority().String(), feedUri.RecordKey().String())

     

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       	feedGeneratorDid := feedRecord.Value.Val.(*bsky.FeedGenerator).Did

     

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       	e.Set("proxyTokenLxm", "app.bsky.feed.getFeedSkeleton")

     

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       	e.Set("proxyTokenAud", feedGeneratorDid)

     

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       +
       

     

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       	return s.handleProxy(e)

     

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       +
       }

server/server.go

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       	// stupid silly endpoints

     

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       	s.echo.GET("/xrpc/app.bsky.actor.getPreferences", s.handleActorGetPreferences, s.handleLegacySessionMiddleware, s.handleOauthSessionMiddleware)

     

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       	s.echo.POST("/xrpc/app.bsky.actor.putPreferences", s.handleActorPutPreferences, s.handleLegacySessionMiddleware, s.handleOauthSessionMiddleware)

     

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       	s.echo.GET("/xrpc/app.bsky.feed.getFeed", s.handleProxyBskyFeedGetFeed, s.handleLegacySessionMiddleware, s.handleOauthSessionMiddleware)

     

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       	// admin routes

     

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       	s.echo.POST("/xrpc/com.atproto.server.createInviteCode", s.handleCreateInviteCode, s.handleAdminMiddleware)