64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
package handlers
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"net/url"
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"strings"
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"github.com/owncast/owncast/activitypub/webfinger"
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"github.com/owncast/owncast/core/data"
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"github.com/owncast/owncast/webserver/handlers/generated"
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webutils "github.com/owncast/owncast/webserver/utils"
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)
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// RemoteFollow handles a request to begin the remote follow redirect flow.
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func RemoteFollow(w http.ResponseWriter, r *http.Request) {
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type followResponse struct {
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RedirectURL string `json:"redirectUrl"`
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}
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var request generated.RemoteFollowJSONRequestBody
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decoder := json.NewDecoder(r.Body)
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if err := decoder.Decode(&request); err != nil {
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webutils.WriteSimpleResponse(w, false, "unable to parse request")
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return
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}
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if request.Account != nil && *request.Account == "" {
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webutils.WriteSimpleResponse(w, false, "Remote Fediverse account is required to follow.")
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return
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}
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localActorPath, _ := url.Parse(data.GetServerURL())
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localActorPath.Path = fmt.Sprintf("/federation/user/%s", data.GetDefaultFederationUsername())
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var template string
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links, err := webfinger.GetWebfingerLinks(*request.Account)
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if err != nil {
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webutils.WriteSimpleResponse(w, false, err.Error())
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return
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}
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// Acquire the remote follow redirect template.
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for _, link := range links {
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for k, v := range link {
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if k == "rel" && v == "http://ostatus.org/schema/1.0/subscribe" && link["template"] != nil {
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template = link["template"].(string)
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}
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}
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}
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if localActorPath.String() == "" || template == "" {
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webutils.WriteSimpleResponse(w, false, "unable to determine remote follow information for "+*request.Account)
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return
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}
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redirectURL := strings.Replace(template, "{uri}", localActorPath.String(), 1)
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response := followResponse{
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RedirectURL: redirectURL,
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}
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webutils.WriteResponse(w, response)
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}
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