113 lines
2.5 KiB
Go
113 lines
2.5 KiB
Go
package activityserve
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"github.com/gologme/log"
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)
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// RemoteActor is a type that holds an actor
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// that we want to interact with
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type RemoteActor struct {
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iri, outbox, inbox, sharedInbox string
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url string
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info map[string]interface{}
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}
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// NewRemoteActor returns a remoteActor which holds
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// all the info required for an actor we want to
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// interact with (not essentially sitting in our instance)
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func NewRemoteActor(iri string) (RemoteActor, error) {
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info, err := get(iri)
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if err != nil {
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log.Info("Couldn't get remote actor information")
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log.Error(err)
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return RemoteActor{}, err
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}
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outbox, _ := info["outbox"].(string)
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inbox, _ := info["inbox"].(string)
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url, _ := info["url"].(string)
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var endpoints map[string]interface{}
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var sharedInbox string
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if info["endpoints"] != nil {
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endpoints = info["endpoints"].(map[string]interface{})
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if val, ok := endpoints["sharedInbox"]; ok {
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sharedInbox = val.(string)
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}
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}
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return RemoteActor{
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iri: iri,
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outbox: outbox,
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inbox: inbox,
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sharedInbox: sharedInbox,
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url: url,
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}, err
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}
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func (ra RemoteActor) getLatestPosts(number int) (map[string]interface{}, error) {
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return get(ra.outbox)
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}
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func get(iri string) (info map[string]interface{}, err error) {
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buf := new(bytes.Buffer)
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req, err := http.NewRequest("GET", iri, buf)
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if err != nil {
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log.Info(err)
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return
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}
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req.Header.Add("Accept", "application/activity+json")
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req.Header.Add("User-Agent", userAgent+" "+version)
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req.Header.Add("Accept-Charset", "utf-8")
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resp, err := client.Do(req)
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if err != nil {
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log.Info("Cannot perform the request")
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log.Error(err)
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return
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}
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responseData, _ := ioutil.ReadAll(resp.Body)
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if !isSuccess(resp.StatusCode) {
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err = fmt.Errorf("GET request to %s failed (%d): %s\nResponse: %s \nHeaders: %s", iri, resp.StatusCode, resp.Status, FormatJSON(responseData), FormatHeaders(req.Header))
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log.Error(err)
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return
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}
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var e interface{}
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err = json.Unmarshal(responseData, &e)
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if err != nil {
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log.Info("something went wrong when unmarshalling the json")
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log.Error(err)
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return
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}
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info = e.(map[string]interface{})
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return
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}
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// GetInbox returns the inbox url of the actor
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func (ra RemoteActor) GetInbox() string {
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return ra.inbox
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}
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// GetSharedInbox returns the inbox url of the actor
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func (ra RemoteActor) GetSharedInbox() string {
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if ra.sharedInbox == "" {
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return ra.inbox
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}
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return ra.sharedInbox
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}
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func (ra RemoteActor) URL() string {
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return ra.url
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}
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