mirror of https://github.com/writeas/writefreely
A focused writing and publishing space.
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111 lines
2.8 KiB
111 lines
2.8 KiB
/*
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* Copyright © 2018 A Bunch Tell LLC.
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*
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* This file is part of WriteFreely.
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*
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* WriteFreely is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, included
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* in the LICENSE file in this source code package.
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*/
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package writefreely
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import (
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"encoding/json"
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"io/ioutil"
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"net/http"
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"strings"
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"github.com/writeas/go-webfinger"
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"github.com/writeas/impart"
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"github.com/writeas/web-core/log"
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"github.com/writeas/writefreely/config"
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)
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type wfResolver struct {
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db *datastore
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cfg *config.Config
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}
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var wfUserNotFoundErr = impart.HTTPError{http.StatusNotFound, "User not found."}
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func (wfr wfResolver) FindUser(username string, host, requestHost string, r []webfinger.Rel) (*webfinger.Resource, error) {
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var c *Collection
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var err error
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if wfr.cfg.App.SingleUser {
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c, err = wfr.db.GetCollectionByID(1)
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} else {
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c, err = wfr.db.GetCollection(username)
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}
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if err != nil {
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log.Error("Unable to get blog: %v", err)
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return nil, err
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}
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c.hostName = wfr.cfg.App.Host
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if wfr.cfg.App.SingleUser {
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// Ensure handle matches user-chosen one on single-user blogs
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if username != c.Alias {
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log.Info("Username '%s' is not handle '%s'", username, c.Alias)
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return nil, wfUserNotFoundErr
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}
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}
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// Only return information if site has federation enabled.
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// TODO: enable two levels of federation? Unlisted or Public on timelines?
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if !wfr.cfg.App.Federation {
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return nil, wfUserNotFoundErr
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}
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res := webfinger.Resource{
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Subject: "acct:" + username + "@" + host,
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Aliases: []string{
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c.CanonicalURL(),
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c.FederatedAccount(),
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},
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Links: []webfinger.Link{
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{
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HRef: c.CanonicalURL(),
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Type: "text/html",
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Rel: "https://webfinger.net/rel/profile-page",
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},
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{
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HRef: c.FederatedAccount(),
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Type: "application/activity+json",
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Rel: "self",
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},
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},
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}
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return &res, nil
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}
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func (wfr wfResolver) DummyUser(username string, hostname string, r []webfinger.Rel) (*webfinger.Resource, error) {
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return nil, wfUserNotFoundErr
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}
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func (wfr wfResolver) IsNotFoundError(err error) bool {
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return err == wfUserNotFoundErr
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}
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// RemoteLookup looks up a user by handle at a remote server
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// and returns the actor URL
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// TODO make this work
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func RemoteLookup(handle string) string {
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handle = strings.TrimLeft(handle, "@")
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// let's take the server part of the handle
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parts := strings.Split(handle, "@")
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resp, err := http.Get("https://" + parts[1] + "/.well-known/webfinger?resource=acct:" + handle)
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if err != nil {
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log.Error("Error performing webfinger request", err)
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}
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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log.Error("Error reading webfinger response", err)
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}
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var result map[string]interface{}
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json.Unmarshal(body, &result)
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aliases := result["aliases"].([]interface{})
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return aliases[0].(string)
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}
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