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
 13type MastoApp struct {
 14	Name         string `db:"clientname"`
 15	RedirectURI  string `db:"redirecturi"`
 16	ClientID     string `db:"clientid"`
 17	ClientSecret string `db:"clientsecret"`
 18	VapidKey     string `db:"vapidkey"`
 19	AuthToken    string `db:"authtoken"`
 20	Scopes       string `db:"scopes"`
 21}
 22
 23func showoauthlogin(rw http.ResponseWriter, r *http.Request) {
 24	templinfo := make(map[string]interface{})
 25	templinfo = getInfo(r)
 26	templinfo["ClientID"] = r.URL.Query().Get("client_id")
 27	templinfo["RedirectURI"] = r.URL.Query().Get("redirect_uri")
 28
 29	if err := readviews.Execute(rw, "oauthlogin.html", templinfo); err != nil {
 30		elog.Println(err)
 31	}
 32}
 33
 34// https://docs.joinmastodon.org/methods/apps/#create
 35func apiapps(rw http.ResponseWriter, r *http.Request) {
 36	if err := r.ParseForm(); err != nil {
 37		http.Error(rw, "invalid input", http.StatusUnprocessableEntity)
 38		elog.Println(err)
 39		return
 40	}
 41	clientName := r.Form.Get("client_name")
 42	redirectURI := r.Form.Get("redirect_uris")
 43	scopes := r.Form.Get("scopes")
 44	website := r.Form.Get("website")
 45	clientID := tokengen()
 46	clientSecret := tokengen()
 47	vapidKey := tokengen()
 48
 49	_, err := stmtSaveMastoApp.Exec(clientName, redirectURI, scopes, clientID, clientSecret, vapidKey, "")
 50	if err != nil {
 51		elog.Printf("error saving masto app: %v", err)
 52		http.Error(rw, "error saving masto app", http.StatusUnprocessableEntity)
 53		return
 54	}
 55
 56	j := junk.New()
 57	j["id"] = "19"
 58	j["website"] = website
 59	j["name"] = clientName
 60	j["redirect_uri"] = redirectURI
 61	j["client_id"] = clientID
 62	j["client_secret"] = clientSecret
 63	j["vapid_key"] = vapidKey
 64
 65	fmt.Println(j.ToString())
 66	goodjunk(rw, j)
 67}
 68
 69// https://docs.joinmastodon.org/methods/oauth/#authorize
 70func oauthorize(rw http.ResponseWriter, r *http.Request) {
 71	clientID := r.FormValue("client_id")
 72	redirectURI := r.FormValue("redirect_uri")
 73
 74	err := stmtCheckClientId.QueryRow(clientID).Scan()
 75	if err == sql.ErrNoRows {
 76		elog.Println("oauth: no such client:", clientID)
 77		rw.WriteHeader(http.StatusUnauthorized)
 78		return
 79	}
 80
 81	var nrw NotResponseWriter
 82	login.LoginFunc(&nrw, r)
 83
 84	_, err = stmtSaveMastoAppToken.Exec(nrw.auth)
 85	if err != nil {
 86		elog.Println("oauth: failed to save masto app token", err)
 87		rw.WriteHeader(http.StatusInternalServerError)
 88		return
 89	}
 90
 91	uri := fmt.Sprintf("%s?code=%s", redirectURI, nrw.auth)
 92
 93	log.Println("redirecting to", uri)
 94	rw.Header().Set("Content-Type", "")
 95	rw.Header().Set("Location", uri)
 96	rw.WriteHeader(302)
 97}
 98
 99// https://docs.joinmastodon.org/methods/oauth/#token
100func oauthtoken(rw http.ResponseWriter, r *http.Request) {
101	// grantType := r.FormValue("grant_type")
102	// code := r.FormValue("code")
103	clientID := r.FormValue("client_id")
104	// clientSecret := r.FormValue("client_Secret")
105	// redirectURI := r.FormValue("redirect_uri")
106	// gotScopes := r.FormValue("scopes")
107
108	app := MastoApp{}
109	err := stmtGetMastoApp.Get(&app, clientID)
110	if err == sql.ErrNoRows {
111		elog.Println("oauth: no such client:", clientID)
112		rw.WriteHeader(http.StatusUnauthorized)
113		return
114	}
115
116	fmt.Printf("%#v", app)
117}
118
119// https://docs.joinmastodon.org/methods/instance/#v2
120func instance(rw http.ResponseWriter, r *http.Request) {
121	j := junk.New()
122
123	var servername string
124	if err := getconfig("servername", &servername); err != nil {
125		http.Error(rw, "getting servername", http.StatusInternalServerError)
126		return
127	}
128
129	j["uri"] = servername
130	j["title"] = "honk"
131	j["description"] = "federated honk conveyance"
132	j["version"] = "develop"
133
134	thumbnail := junk.New()
135	thumbnail["url"] = fmt.Sprintf("https://%s/icon.png", servername)
136	j["thumbnail"] = thumbnail
137	j["languages"] = []string{"en"}
138
139	config := junk.New()
140
141	a := junk.New()
142	a["max_featured_tags"] = 10
143	config["accounts"] = a
144
145	s := junk.New()
146	s["max_characters"] = 5000
147	s["max_media_attachments"] = 1
148	s["characters_reserved_per_url"] = 23
149	config["statuses"] = s
150
151	m := junk.New()
152	m["supported_mime_types"] = []string{
153		"image/jpeg",
154		"image/png",
155		"image/gif",
156		"image/heic",
157		"image/heif",
158		"image/webp",
159		"image/avif",
160		"video/webm",
161		"video/mp4",
162		"video/quicktime",
163		"video/ogg",
164		"audio/wave",
165		"audio/wav",
166		"audio/x-wav",
167		"audio/x-pn-wave",
168		"audio/vnd.wave",
169		"audio/ogg",
170		"audio/vorbis",
171		"audio/mpeg",
172		"audio/mp3",
173		"audio/webm",
174		"audio/flac",
175		"audio/aac",
176		"audio/m4a",
177		"audio/x-m4a",
178		"audio/mp4",
179		"audio/3gpp",
180		"video/x-ms-asf",
181	}
182
183	m["image_size_limit"] = 10485760
184	m["image_matrix_limit"] = 16777216
185	m["video_size_limit"] = 41943040
186	m["video_frame_rate_limit"] = 60
187	m["video_matrix_limit"] = 2304000
188	j["media_attachments"] = m
189
190	goodjunk(rw, j)
191
192	return
193}