feat: query webfinger
This commit is contained in:
parent
d630513dc6
commit
6da9e15102
3 changed files with 196 additions and 17 deletions
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@ -17,6 +17,7 @@ import (
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"code.gitea.io/gitea/modules/sitemap"
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"code.gitea.io/gitea/modules/structs"
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"code.gitea.io/gitea/services/context"
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"code.gitea.io/gitea/services/forgefed"
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)
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const (
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@ -99,6 +100,31 @@ func RenderUserSearch(ctx *context.Context, opts *user_model.SearchUserOptions,
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return
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}
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}
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if len(opts.Keyword) > 0 && forgefed.IsFingerable(opts.Keyword) {
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webfingerRes, err := forgefed.WebFingerLookup(opts.Keyword)
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if err != nil {
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ctx.ServerError("SearchUsers", err)
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return
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}
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person, err := forgefed.GetActor(webfingerRes.GetActorLink().Href)
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if err != nil {
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ctx.ServerError("SearchUsers", err)
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return
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}
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_, err = forgefed.SavePerson(ctx, person)
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if err != nil {
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ctx.ServerError("SearchUsers", err)
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return
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}
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// users, count, err = user_model.SearchUsers(ctx, opts)
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// if err != nil {
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// ctx.ServerError("SearchUsers", err)
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// return
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// }
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}
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if isSitemap {
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m := sitemap.NewSitemap()
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for _, item := range users {
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@ -13,25 +13,11 @@ import (
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/services/context"
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"code.gitea.io/gitea/services/forgefed"
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)
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// https://datatracker.ietf.org/doc/html/draft-ietf-appsawg-webfinger-14#section-4.4
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type webfingerJRD struct {
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Subject string `json:"subject,omitempty"`
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Aliases []string `json:"aliases,omitempty"`
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Properties map[string]any `json:"properties,omitempty"`
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Links []*webfingerLink `json:"links,omitempty"`
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}
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type webfingerLink struct {
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Rel string `json:"rel,omitempty"`
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Type string `json:"type,omitempty"`
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Href string `json:"href,omitempty"`
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Titles map[string]string `json:"titles,omitempty"`
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Properties map[string]any `json:"properties,omitempty"`
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}
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// WebfingerQuery returns information about a resource
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// https://datatracker.ietf.org/doc/html/rfc7565
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func WebfingerQuery(ctx *context.Context) {
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@ -104,7 +90,7 @@ func WebfingerQuery(ctx *context.Context) {
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aliases = append(aliases, fmt.Sprintf("mailto:%s", u.Email))
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}
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links := []*webfingerLink{
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links := []*forgefed.WebfingerLink{
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{
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Rel: "http://webfinger.net/rel/profile-page",
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Type: "text/html",
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@ -127,7 +113,7 @@ func WebfingerQuery(ctx *context.Context) {
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ctx.Resp.Header().Add("Content-Type", "application/jrd+json")
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ctx.Resp.Header().Add("Access-Control-Allow-Origin", "*")
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ctx.JSON(http.StatusOK, &webfingerJRD{
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ctx.JSON(http.StatusOK, &forgefed.WebfingerJRD{
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Subject: fmt.Sprintf("acct:%s@%s", url.QueryEscape(u.Name), appURL.Host),
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Aliases: aliases,
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Links: links,
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167
services/forgefed/webfinger.go
Normal file
167
services/forgefed/webfinger.go
Normal file
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@ -0,0 +1,167 @@
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package forgefed
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import (
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"encoding/json"
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"errors"
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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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"code.gitea.io/gitea/modules/log"
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)
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// https://datatracker.ietf.org/doc/html/draft-ietf-appsawg-webfinger-14#section-4.4
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type WebfingerJRD struct {
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Subject string `json:"subject,omitempty"`
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Aliases []string `json:"aliases,omitempty"`
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Properties map[string]any `json:"properties,omitempty"`
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Links []*WebfingerLink `json:"links,omitempty"`
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}
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func (w WebfingerJRD) GetAvatar() *WebfingerLink {
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for _, link := range w.Links {
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if link.Rel == "http://webfinger.net/rel/avatar" {
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return link
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}
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}
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return nil
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}
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func (w WebfingerJRD) GetProfilePage() *WebfingerLink {
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for _, link := range w.Links {
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if link.Rel == "http://webfinger.net/rel/profile-page" && link.Type == "text/html" {
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return link
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}
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}
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return nil
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}
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func (w WebfingerJRD) GetActorLink() *WebfingerLink {
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for _, link := range w.Links {
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if link.Rel == "self" && link.Type == "application/activity+json" {
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return link
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}
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}
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return nil
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}
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type WebfingerLink struct {
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Rel string `json:"rel,omitempty"`
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Type string `json:"type,omitempty"`
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Href string `json:"href,omitempty"`
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Titles map[string]string `json:"titles,omitempty"`
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Properties map[string]any `json:"properties,omitempty"`
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}
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func GetHostnameFromResource(resource string) (string, error) {
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r := resource
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if strings.HasPrefix(resource, "@") {
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resource, _ = strings.CutPrefix(resource, "@")
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}
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actor, err := url.Parse(resource)
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if err != nil {
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return "", err
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}
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var hostname string
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switch actor.Scheme {
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case "":
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i := strings.Split(resource, "@")
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if len(i) != 2 {
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log.Error("Invalid webfinger query " + r)
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return "", errors.New("Invalid webfinger query " + r)
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}
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hostname = i[1]
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case "mailto":
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i := strings.Split(resource, "@")
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if len(i) != 2 {
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log.Error("Invalid webfinger query " + r)
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return "", errors.New("Invalid webfinger query " + r)
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}
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hostname = i[1]
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case "https":
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hostname = actor.Host
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default:
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log.Error("Invalid webfinger query " + r)
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return "", errors.New("Invalid webfinger query" + r)
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}
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return hostname, nil
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}
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// Get Actor object by performing webfinger lookup
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func WebFingerLookup(q string) (*WebfingerJRD, error) {
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if strings.HasPrefix(q, "@") {
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q, _ = strings.CutPrefix(q, "@")
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}
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actor, err := url.Parse(q)
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if err != nil {
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return nil, err
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}
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var res string
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switch actor.Scheme {
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case "":
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res = fmt.Sprintf("acct:%s", q)
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case "mailto":
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res = q
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case "https":
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res = q
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default:
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return nil, errors.New("Invalid webfinger query")
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}
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hostname, err := GetHostnameFromResource(q)
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if err != nil {
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return nil, err
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}
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link := fmt.Sprintf("https://%s/.well-known/webfinger?resource=%s", hostname, res)
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r, err := http.Get(link)
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if err != nil {
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return nil, err
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}
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defer r.Body.Close()
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webfingerResponse := new(WebfingerJRD)
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err = json.NewDecoder(r.Body).Decode(webfingerResponse)
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if err != nil {
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return nil, err
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}
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return webfingerResponse, nil
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}
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func IsFingerable(resource string) bool {
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if strings.HasPrefix(resource, "@") {
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resource, _ = strings.CutPrefix(resource, "@")
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}
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actor, err := url.Parse(resource)
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if err != nil {
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return false
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}
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switch actor.Scheme {
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case "":
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i := strings.Split(resource, "@")
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if len(i) == 2 {
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_ = i[1] // TODO: do len check before referencing element #2
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return true
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}
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return false
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case "mailto":
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i := strings.Split(resource, "@")
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if len(i) == 2 {
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_ = i[1]
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return true
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}
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return false
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case "https":
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return true
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default:
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return false
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}
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}
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