67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
package controllers
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import (
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"encoding/json"
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"net/http"
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"strings"
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"github.com/owncast/owncast/activitypub/apmodels"
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"github.com/owncast/owncast/core/data"
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"github.com/owncast/owncast/utils"
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log "github.com/sirupsen/logrus"
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)
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// WebfingerHandler will handle webfinger lookup requests.
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func WebfingerHandler(w http.ResponseWriter, r *http.Request) {
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if !data.GetFederationEnabled() {
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w.WriteHeader(http.StatusMethodNotAllowed)
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return
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}
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resource := r.URL.Query().Get("resource")
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resourceComponents := strings.Split(resource, ":")
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var account string
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if len(resourceComponents) == 2 {
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account = resourceComponents[1]
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} else {
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account = resourceComponents[0]
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}
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userComponents := strings.Split(account, "@")
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if len(userComponents) < 2 {
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return
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}
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host := userComponents[1]
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user := userComponents[0]
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if _, valid := data.GetFederatedInboxMap()[user]; !valid {
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// User is not valid
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w.WriteHeader(http.StatusNotFound)
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log.Debugln("webfinger request rejected")
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return
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}
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// If the webfinger request doesn't match our server then it
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// should be rejected.
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instanceHostString := data.GetServerURL()
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if instanceHostString == "" {
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w.WriteHeader(http.StatusNotImplemented)
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return
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}
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instanceHostString = utils.GetHostnameFromURLString(instanceHostString)
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if instanceHostString == "" || instanceHostString != host {
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w.WriteHeader(http.StatusNotImplemented)
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return
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}
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webfingerResponse := apmodels.MakeWebfingerResponse(user, user, host)
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w.Header().Set("Content-Type", "application/jrd+json")
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if err := json.NewEncoder(w).Encode(webfingerResponse); err != nil {
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log.Errorln("unable to write webfinger response", err)
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}
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}
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