1package main
  2
  3import (
  4	"database/sql"
  5	"fmt"
  6	"log"
  7	"net/http"
  8
  9	"humungus.tedunangst.com/r/webs/junk"
 10	"humungus.tedunangst.com/r/webs/login"
 11)
 12
 13func showoauthlogin(rw http.ResponseWriter, r *http.Request) {
 14	templinfo := make(map[string]interface{})
 15	templinfo = getInfo(r)
 16	templinfo["ClientID"] = r.URL.Query().Get("client_id")
 17	templinfo["RedirectURI"] = r.URL.Query().Get("redirect_uri")
 18
 19	if err := readviews.Execute(rw, "oauthlogin.html", templinfo); err != nil {
 20		elog.Println(err)
 21	}
 22}
 23
 24// https://docs.joinmastodon.org/methods/apps/#create
 25func apiapps(rw http.ResponseWriter, r *http.Request) {
 26	if err := r.ParseForm(); err != nil {
 27		http.Error(rw, "invalid input", http.StatusUnprocessableEntity)
 28		elog.Println(err)
 29		return
 30	}
 31	clientName := r.Form.Get("client_name")
 32	redirectURI := r.Form.Get("redirect_uris")
 33	scopes := r.Form.Get("scopes")
 34	website := r.Form.Get("website")
 35	clientID := tokengen()
 36	clientSecret := tokengen()
 37	vapidKey := tokengen()
 38
 39	_, err := stmtSaveMastoApp.Exec(clientName, redirectURI, scopes, clientID, clientSecret, vapidKey, "")
 40	if err != nil {
 41		elog.Printf("error saving masto app: %v", err)
 42		http.Error(rw, "error saving masto app", http.StatusUnprocessableEntity)
 43		return
 44	}
 45
 46	j := junk.New()
 47	j["id"] = fmt.Sprintf("%d", snowflake())
 48	j["website"] = website
 49	j["name"] = clientName
 50	j["redirect_uri"] = redirectURI
 51	j["client_id"] = clientID
 52	j["client_secret"] = clientSecret
 53	j["vapid_key"] = vapidKey
 54
 55	fmt.Println(j.ToString())
 56	goodjunk(rw, j)
 57}
 58
 59// https://docs.joinmastodon.org/methods/oauth/#authorize
 60func oauthorize(rw http.ResponseWriter, r *http.Request) {
 61	clientID := r.FormValue("client_id")
 62	redirectURI := r.FormValue("redirect_uri")
 63
 64	err := stmtCheckClientId.QueryRow(clientID).Scan()
 65	if err == sql.ErrNoRows {
 66		elog.Println("oauth: no such client:", clientID)
 67		rw.WriteHeader(http.StatusUnauthorized)
 68		return
 69	}
 70
 71	var nrw NotResponseWriter
 72	login.LoginFunc(&nrw, r)
 73
 74	_, err = stmtSaveMastoAppToken.Exec(nrw.auth)
 75	if err != nil {
 76		elog.Println("oauth: failed to save masto app token", err)
 77		rw.WriteHeader(http.StatusInternalServerError)
 78		return
 79	}
 80
 81	log.Println("redirecting to", redirectURI+"?code="+nrw.auth)
 82	rw.Header().Set("Location", redirectURI+"?code="+nrw.auth)
 83	rw.WriteHeader(302)
 84	return
 85}
 86
 87// https://docs.joinmastodon.org/methods/instance/#v2
 88func instance(rw http.ResponseWriter, r *http.Request) {
 89	j := junk.New()
 90
 91	var servername string
 92	if err := getconfig("servername", &servername); err != nil {
 93		http.Error(rw, "getting servername", http.StatusInternalServerError)
 94		return
 95	}
 96
 97	j["uri"] = servername
 98	j["title"] = "honk"
 99	j["description"] = "federated honk conveyance"
100	j["version"] = "develop"
101
102	thumbnail := junk.New()
103	thumbnail["url"] = fmt.Sprintf("https://%s/icon.png", servername)
104	j["thumbnail"] = thumbnail
105	j["languages"] = []string{"en"}
106
107	config := junk.New()
108
109	a := junk.New()
110	a["max_featured_tags"] = 10
111	config["accounts"] = a
112
113	s := junk.New()
114	s["max_characters"] = 5000
115	s["max_media_attachments"] = 1
116	s["characters_reserved_per_url"] = 23
117	config["statuses"] = s
118
119	m := junk.New()
120	m["supported_mime_types"] = []string{
121		"image/jpeg",
122		"image/png",
123		"image/gif",
124		"image/heic",
125		"image/heif",
126		"image/webp",
127		"image/avif",
128		"video/webm",
129		"video/mp4",
130		"video/quicktime",
131		"video/ogg",
132		"audio/wave",
133		"audio/wav",
134		"audio/x-wav",
135		"audio/x-pn-wave",
136		"audio/vnd.wave",
137		"audio/ogg",
138		"audio/vorbis",
139		"audio/mpeg",
140		"audio/mp3",
141		"audio/webm",
142		"audio/flac",
143		"audio/aac",
144		"audio/m4a",
145		"audio/x-m4a",
146		"audio/mp4",
147		"audio/3gpp",
148		"video/x-ms-asf",
149	}
150
151	m["image_size_limit"] = 10485760
152	m["image_matrix_limit"] = 16777216
153	m["video_size_limit"] = 41943040
154	m["video_frame_rate_limit"] = 60
155	m["video_matrix_limit"] = 2304000
156	j["media_attachments"] = m
157
158	rw.WriteHeader(http.StatusOK)
159	rw.Write(j.ToBytes())
160
161	return
162}