all repos — honk @ c9e59fe5f556516671ac31814026c395fc7297d8

my fork of honk

web.go (view raw)

   1//
   2// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
   3//
   4// Permission to use, copy, modify, and distribute this software for any
   5// purpose with or without fee is hereby granted, provided that the above
   6// copyright notice and this permission notice appear in all copies.
   7//
   8// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15
  16package main
  17
  18import (
  19	"bytes"
  20	"database/sql"
  21	"fmt"
  22	"html/template"
  23	"io"
  24	"log"
  25	notrand "math/rand"
  26	"net/http"
  27	"net/url"
  28	"os"
  29	"regexp"
  30	"sort"
  31	"strconv"
  32	"strings"
  33	"time"
  34
  35	"github.com/gorilla/mux"
  36	"humungus.tedunangst.com/r/webs/cache"
  37	"humungus.tedunangst.com/r/webs/css"
  38	"humungus.tedunangst.com/r/webs/httpsig"
  39	"humungus.tedunangst.com/r/webs/image"
  40	"humungus.tedunangst.com/r/webs/junk"
  41	"humungus.tedunangst.com/r/webs/login"
  42	"humungus.tedunangst.com/r/webs/rss"
  43	"humungus.tedunangst.com/r/webs/templates"
  44)
  45
  46var readviews *templates.Template
  47
  48var userSep = "u"
  49var honkSep = "h"
  50
  51func getuserstyle(u *login.UserInfo) template.CSS {
  52	if u == nil {
  53		return ""
  54	}
  55	user, _ := butwhatabout(u.Username)
  56	if user.SkinnyCSS {
  57		return "main { max-width: 700px; }"
  58	}
  59	return ""
  60}
  61
  62func getInfo(r *http.Request) map[string]interface{} {
  63	u := login.GetUserInfo(r)
  64	templinfo := make(map[string]interface{})
  65	templinfo["StyleParam"] = getassetparam("views/style.css")
  66	templinfo["LocalStyleParam"] = getassetparam("views/local.css")
  67	templinfo["JSParam"] = getassetparam("views/honkpage.js")
  68	templinfo["UserStyle"] = getuserstyle(u)
  69	templinfo["ServerName"] = serverName
  70	templinfo["IconName"] = iconName
  71	templinfo["UserInfo"] = u
  72	templinfo["UserSep"] = userSep
  73	if u != nil {
  74		var combos []string
  75		combocache.Get(u.UserID, &combos)
  76		templinfo["Combos"] = combos
  77	}
  78	return templinfo
  79}
  80
  81func homepage(w http.ResponseWriter, r *http.Request) {
  82	templinfo := getInfo(r)
  83	u := login.GetUserInfo(r)
  84	var honks []*Honk
  85	var userid int64 = -1
  86
  87	templinfo["ServerMessage"] = serverMsg
  88	if u == nil || r.URL.Path == "/front" {
  89		switch r.URL.Path {
  90		case "/events":
  91			honks = geteventhonks(userid)
  92			templinfo["ServerMessage"] = "some recent and upcoming events"
  93		default:
  94			templinfo["ShowRSS"] = true
  95			honks = getpublichonks()
  96		}
  97	} else {
  98		userid = u.UserID
  99		switch r.URL.Path {
 100		case "/atme":
 101			templinfo["ServerMessage"] = "at me!"
 102			templinfo["PageName"] = "atme"
 103			honks = gethonksforme(userid, 0)
 104			honks = osmosis(honks, userid, false)
 105		case "/events":
 106			templinfo["ServerMessage"] = "some recent and upcoming events"
 107			templinfo["PageName"] = "events"
 108			honks = geteventhonks(userid)
 109			honks = osmosis(honks, userid, true)
 110		case "/first":
 111			templinfo["PageName"] = "first"
 112			honks = gethonksforuser(userid, 0)
 113			honks = osmosis(honks, userid, true)
 114		case "/saved":
 115			templinfo["ServerMessage"] = "saved honks"
 116			templinfo["PageName"] = "saved"
 117			honks = getsavedhonks(userid, 0)
 118		default:
 119			templinfo["PageName"] = "home"
 120			honks = gethonksforuser(userid, 0)
 121			honks = osmosis(honks, userid, true)
 122		}
 123		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 124	}
 125
 126	honkpage(w, u, honks, templinfo)
 127}
 128
 129func showfunzone(w http.ResponseWriter, r *http.Request) {
 130	var emunames, memenames []string
 131	dir, err := os.Open("emus")
 132	if err == nil {
 133		emunames, _ = dir.Readdirnames(0)
 134		dir.Close()
 135	}
 136	for i, e := range emunames {
 137		if len(e) > 4 {
 138			emunames[i] = e[:len(e)-4]
 139		}
 140	}
 141	dir, err = os.Open("memes")
 142	if err == nil {
 143		memenames, _ = dir.Readdirnames(0)
 144		dir.Close()
 145	}
 146	templinfo := getInfo(r)
 147	templinfo["Emus"] = emunames
 148	templinfo["Memes"] = memenames
 149	err = readviews.Execute(w, "funzone.html", templinfo)
 150	if err != nil {
 151		log.Print(err)
 152	}
 153}
 154
 155func showrss(w http.ResponseWriter, r *http.Request) {
 156	name := mux.Vars(r)["name"]
 157
 158	var honks []*Honk
 159	if name != "" {
 160		honks = gethonksbyuser(name, false, 0)
 161	} else {
 162		honks = getpublichonks()
 163	}
 164	if len(honks) > 20 {
 165		honks = honks[0:20]
 166	}
 167	reverbolate(-1, honks)
 168
 169	home := fmt.Sprintf("https://%s/", serverName)
 170	base := home
 171	if name != "" {
 172		home += "u/" + name
 173		name += " "
 174	}
 175	feed := rss.Feed{
 176		Title:       name + "honk",
 177		Link:        home,
 178		Description: name + "honk rss",
 179		Image: &rss.Image{
 180			URL:   base + "icon.png",
 181			Title: name + "honk rss",
 182			Link:  home,
 183		},
 184	}
 185	var modtime time.Time
 186	for _, honk := range honks {
 187		if !firstclass(honk) {
 188			continue
 189		}
 190		desc := string(honk.HTML)
 191		if t := honk.Time; t != nil {
 192			desc += fmt.Sprintf(`<p>Time: %s`, t.StartTime.Local().Format("03:04PM EDT Mon Jan 02"))
 193			if t.Duration != 0 {
 194				desc += fmt.Sprintf(`<br>Duration: %s`, t.Duration)
 195			}
 196		}
 197		if p := honk.Place; p != nil {
 198			desc += string(templates.Sprintf(`<p>Location: <a href="%s">%s</a> %f %f`,
 199				p.Url, p.Name, p.Latitude, p.Longitude))
 200		}
 201		for _, d := range honk.Donks {
 202			desc += string(templates.Sprintf(`<p><a href="%s">Attachment: %s</a>`,
 203				d.URL, d.Name))
 204		}
 205
 206		feed.Items = append(feed.Items, &rss.Item{
 207			Title:       fmt.Sprintf("%s %s %s", honk.Username, honk.What, honk.XID),
 208			Description: rss.CData{Data: desc},
 209			Link:        honk.URL,
 210			PubDate:     honk.Date.Format(time.RFC1123),
 211			Guid:        &rss.Guid{IsPermaLink: true, Value: honk.URL},
 212		})
 213		if honk.Date.After(modtime) {
 214			modtime = honk.Date
 215		}
 216	}
 217	w.Header().Set("Cache-Control", "max-age=300")
 218	w.Header().Set("Last-Modified", modtime.Format(http.TimeFormat))
 219
 220	err := feed.Write(w)
 221	if err != nil {
 222		log.Printf("error writing rss: %s", err)
 223	}
 224}
 225
 226func crappola(j junk.Junk) bool {
 227	t, _ := j.GetString("type")
 228	a, _ := j.GetString("actor")
 229	o, _ := j.GetString("object")
 230	if t == "Delete" && a == o {
 231		log.Printf("crappola from %s", a)
 232		return true
 233	}
 234	return false
 235}
 236
 237func ping(user *WhatAbout, who string) {
 238	var box *Box
 239	ok := boxofboxes.Get(who, &box)
 240	if !ok {
 241		log.Printf("no inbox to ping %s", who)
 242		return
 243	}
 244	j := junk.New()
 245	j["@context"] = itiswhatitis
 246	j["type"] = "Ping"
 247	j["id"] = user.URL + "/ping/" + xfiltrate()
 248	j["actor"] = user.URL
 249	j["to"] = who
 250	ki := ziggy(user.ID)
 251	if ki == nil {
 252		return
 253	}
 254	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 255	if err != nil {
 256		log.Printf("can't send ping: %s", err)
 257		return
 258	}
 259	log.Printf("sent ping to %s: %s", who, j["id"])
 260}
 261
 262func pong(user *WhatAbout, who string, obj string) {
 263	var box *Box
 264	ok := boxofboxes.Get(who, &box)
 265	if !ok {
 266		log.Printf("no inbox to pong %s", who)
 267		return
 268	}
 269	j := junk.New()
 270	j["@context"] = itiswhatitis
 271	j["type"] = "Pong"
 272	j["id"] = user.URL + "/pong/" + xfiltrate()
 273	j["actor"] = user.URL
 274	j["to"] = who
 275	j["object"] = obj
 276	ki := ziggy(user.ID)
 277	if ki == nil {
 278		return
 279	}
 280	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 281	if err != nil {
 282		log.Printf("can't send pong: %s", err)
 283		return
 284	}
 285}
 286
 287func inbox(w http.ResponseWriter, r *http.Request) {
 288	name := mux.Vars(r)["name"]
 289	user, err := butwhatabout(name)
 290	if err != nil {
 291		http.NotFound(w, r)
 292		return
 293	}
 294	if stealthmode(user.ID, r) {
 295		http.NotFound(w, r)
 296		return
 297	}
 298	var buf bytes.Buffer
 299	io.Copy(&buf, r.Body)
 300	payload := buf.Bytes()
 301	j, err := junk.FromBytes(payload)
 302	if err != nil {
 303		log.Printf("bad payload: %s", err)
 304		io.WriteString(os.Stdout, "bad payload\n")
 305		os.Stdout.Write(payload)
 306		io.WriteString(os.Stdout, "\n")
 307		return
 308	}
 309	if crappola(j) {
 310		return
 311	}
 312	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 313	if err != nil {
 314		log.Printf("inbox message failed signature for %s from %s", keyname, r.Header.Get("X-Forwarded-For"))
 315		if keyname != "" {
 316			log.Printf("bad signature from %s", keyname)
 317			io.WriteString(os.Stdout, "bad payload\n")
 318			os.Stdout.Write(payload)
 319			io.WriteString(os.Stdout, "\n")
 320		}
 321		http.Error(w, "what did you call me?", http.StatusTeapot)
 322		return
 323	}
 324	what, _ := j.GetString("type")
 325	if what == "Like" {
 326		return
 327	}
 328	who, _ := j.GetString("actor")
 329	origin := keymatch(keyname, who)
 330	if origin == "" {
 331		log.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 332		return
 333	}
 334	if rejectactor(user.ID, who) {
 335		return
 336	}
 337	switch what {
 338	case "Ping":
 339		obj, _ := j.GetString("id")
 340		log.Printf("ping from %s: %s", who, obj)
 341		pong(user, who, obj)
 342	case "Pong":
 343		obj, _ := j.GetString("object")
 344		log.Printf("pong from %s: %s", who, obj)
 345	case "Follow":
 346		obj, _ := j.GetString("object")
 347		if obj != user.URL {
 348			log.Printf("can't follow %s", obj)
 349			return
 350		}
 351		log.Printf("updating honker follow: %s", who)
 352
 353		db := opendatabase()
 354		row := db.QueryRow("select xid from honkers where xid = ? and userid = ? and flavor in ('dub', 'undub')", who, user.ID)
 355		var x string
 356		err = row.Scan(&x)
 357		if err != sql.ErrNoRows {
 358			log.Printf("duplicate follow request: %s", who)
 359			_, err = stmtUpdateFlavor.Exec("dub", user.ID, who, who, "undub")
 360			if err != nil {
 361				log.Printf("error updating honker: %s", err)
 362			}
 363		} else {
 364			stmtSaveDub.Exec(user.ID, who, who, "dub")
 365		}
 366		go rubadubdub(user, j)
 367	case "Accept":
 368		log.Printf("updating honker accept: %s", who)
 369		_, err = stmtUpdateFlavor.Exec("sub", user.ID, who, "presub")
 370		if err != nil {
 371			log.Printf("error updating honker: %s", err)
 372			return
 373		}
 374	case "Update":
 375		obj, ok := j.GetMap("object")
 376		if ok {
 377			what, _ := obj.GetString("type")
 378			switch what {
 379			case "Person":
 380				return
 381			case "Question":
 382				return
 383			case "Note":
 384				go xonksaver(user, j, origin)
 385				return
 386			}
 387		}
 388		log.Printf("unknown Update activity")
 389		fd, _ := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
 390		j.Write(fd)
 391		io.WriteString(fd, "\n")
 392		fd.Close()
 393
 394	case "Undo":
 395		obj, ok := j.GetMap("object")
 396		if !ok {
 397			log.Printf("unknown undo no object")
 398			return
 399		}
 400		what, _ := obj.GetString("type")
 401		switch what {
 402		case "Follow":
 403			log.Printf("updating honker undo: %s", who)
 404			_, err = stmtUpdateFlavor.Exec("undub", user.ID, who, who, "dub")
 405			if err != nil {
 406				log.Printf("error updating honker: %s", err)
 407				return
 408			}
 409		case "Announce":
 410			xid, _ := obj.GetString("object")
 411			log.Printf("undo announce: %s", xid)
 412		case "Like":
 413		default:
 414			log.Printf("unknown undo: %s", what)
 415		}
 416	default:
 417		go xonksaver(user, j, origin)
 418	}
 419}
 420
 421func serverinbox(w http.ResponseWriter, r *http.Request) {
 422	if stealthmode(serverUID, r) {
 423		http.NotFound(w, r)
 424		return
 425	}
 426	var buf bytes.Buffer
 427	io.Copy(&buf, r.Body)
 428	payload := buf.Bytes()
 429	j, err := junk.FromBytes(payload)
 430	if err != nil {
 431		log.Printf("bad payload: %s", err)
 432		io.WriteString(os.Stdout, "bad payload\n")
 433		os.Stdout.Write(payload)
 434		io.WriteString(os.Stdout, "\n")
 435		return
 436	}
 437	if crappola(j) {
 438		return
 439	}
 440	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 441	if err != nil {
 442		log.Printf("inbox message failed signature for %s from %s", keyname, r.Header.Get("X-Forwarded-For"))
 443		if keyname != "" {
 444			log.Printf("bad signature from %s", keyname)
 445			io.WriteString(os.Stdout, "bad payload\n")
 446			os.Stdout.Write(payload)
 447			io.WriteString(os.Stdout, "\n")
 448		}
 449		http.Error(w, "what did you call me?", http.StatusTeapot)
 450		return
 451	}
 452	user := getserveruser()
 453	who, _ := j.GetString("actor")
 454	origin := keymatch(keyname, who)
 455	if origin == "" {
 456		log.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 457		return
 458	}
 459	if rejectactor(user.ID, who) {
 460		return
 461	}
 462	re_ont := regexp.MustCompile("https://" + serverName + "/o/([[:alnum:]]+)")
 463	what, _ := j.GetString("type")
 464	log.Printf("server got a %s", what)
 465	switch what {
 466	case "Follow":
 467		obj, _ := j.GetString("object")
 468		if obj == user.URL {
 469			log.Printf("can't follow the server!")
 470			return
 471		}
 472		m := re_ont.FindStringSubmatch(obj)
 473		if len(m) != 2 {
 474			log.Printf("not sure how to handle this")
 475			return
 476		}
 477		ont := "#" + m[1]
 478		log.Printf("%s wants to follow %s", who, ont)
 479		db := opendatabase()
 480		row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", ont, who, user.ID)
 481		var x string
 482		err = row.Scan(&x)
 483		if err != sql.ErrNoRows {
 484			log.Printf("duplicate follow request: %s", who)
 485			_, err = stmtUpdateFlavor.Exec("dub", user.ID, who, ont, "undub")
 486			if err != nil {
 487				log.Printf("error updating honker: %s", err)
 488			}
 489		} else {
 490			stmtSaveDub.Exec(user.ID, ont, who, "dub")
 491		}
 492		go rubadubdub(user, j)
 493	case "Undo":
 494		obj, ok := j.GetMap("object")
 495		if !ok {
 496			log.Printf("unknown undo no object")
 497			return
 498		}
 499		what, _ := obj.GetString("type")
 500		if what != "Follow" {
 501			log.Printf("unknown undo: %s", what)
 502		}
 503		targ, _ := obj.GetString("object")
 504		m := re_ont.FindStringSubmatch(targ)
 505		if len(m) != 2 {
 506			log.Printf("not sure how to handle this")
 507			return
 508		}
 509		ont := "#" + m[1]
 510		log.Printf("updating honker undo: %s %s", who, ont)
 511		_, err = stmtUpdateFlavor.Exec("undub", user.ID, who, ont, "dub")
 512		if err != nil {
 513			log.Printf("error updating honker: %s", err)
 514			return
 515		}
 516	}
 517}
 518
 519func serveractor(w http.ResponseWriter, r *http.Request) {
 520	if stealthmode(serverUID, r) {
 521		http.NotFound(w, r)
 522		return
 523	}
 524	user := getserveruser()
 525	j := junkuser(user)
 526	w.Write(j)
 527}
 528
 529func ximport(w http.ResponseWriter, r *http.Request) {
 530	u := login.GetUserInfo(r)
 531	xid := strings.TrimSpace(r.FormValue("xid"))
 532	xonk := getxonk(u.UserID, xid)
 533	if xonk == nil {
 534		p, _ := investigate(xid)
 535		if p != nil {
 536			xid = p.XID
 537		}
 538		j, err := GetJunk(xid)
 539		if err != nil {
 540			http.Error(w, "error getting external object", http.StatusInternalServerError)
 541			log.Printf("error getting external object: %s", err)
 542			return
 543		}
 544		log.Printf("importing %s", xid)
 545		user, _ := butwhatabout(u.Username)
 546
 547		info, _ := somethingabout(j)
 548		if info == nil {
 549			xonk = xonksaver(user, j, originate(xid))
 550		} else if info.What == SomeActor {
 551			outbox, _ := j.GetString("outbox")
 552			gimmexonks(user, outbox)
 553			http.Redirect(w, r, "/h?xid="+url.QueryEscape(xid), http.StatusSeeOther)
 554			return
 555		} else if info.What == SomeCollection {
 556			gimmexonks(user, xid)
 557			http.Redirect(w, r, "/xzone", http.StatusSeeOther)
 558			return
 559		}
 560	}
 561	convoy := ""
 562	if xonk != nil {
 563		convoy = xonk.Convoy
 564	}
 565	http.Redirect(w, r, "/t?c="+url.QueryEscape(convoy), http.StatusSeeOther)
 566}
 567
 568func xzone(w http.ResponseWriter, r *http.Request) {
 569	u := login.GetUserInfo(r)
 570	rows, err := stmtRecentHonkers.Query(u.UserID, u.UserID)
 571	if err != nil {
 572		log.Printf("query err: %s", err)
 573		return
 574	}
 575	defer rows.Close()
 576	var honkers []Honker
 577	for rows.Next() {
 578		var xid string
 579		rows.Scan(&xid)
 580		honkers = append(honkers, Honker{XID: xid})
 581	}
 582	rows.Close()
 583	for i, _ := range honkers {
 584		_, honkers[i].Handle = handles(honkers[i].XID)
 585	}
 586	templinfo := getInfo(r)
 587	templinfo["XCSRF"] = login.GetCSRF("ximport", r)
 588	templinfo["Honkers"] = honkers
 589	err = readviews.Execute(w, "xzone.html", templinfo)
 590	if err != nil {
 591		log.Print(err)
 592	}
 593}
 594
 595var oldoutbox = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
 596	user, err := butwhatabout(name)
 597	if err != nil {
 598		return nil, false
 599	}
 600	honks := gethonksbyuser(name, false, 0)
 601	if len(honks) > 20 {
 602		honks = honks[0:20]
 603	}
 604
 605	var jonks []junk.Junk
 606	for _, h := range honks {
 607		j, _ := jonkjonk(user, h)
 608		jonks = append(jonks, j)
 609	}
 610
 611	j := junk.New()
 612	j["@context"] = itiswhatitis
 613	j["id"] = user.URL + "/outbox"
 614	j["attributedTo"] = user.URL
 615	j["type"] = "OrderedCollection"
 616	j["totalItems"] = len(jonks)
 617	j["orderedItems"] = jonks
 618
 619	return j.ToBytes(), true
 620}, Duration: 1 * time.Minute})
 621
 622func outbox(w http.ResponseWriter, r *http.Request) {
 623	name := mux.Vars(r)["name"]
 624	user, err := butwhatabout(name)
 625	if err != nil {
 626		http.NotFound(w, r)
 627		return
 628	}
 629	if stealthmode(user.ID, r) {
 630		http.NotFound(w, r)
 631		return
 632	}
 633	var j []byte
 634	ok := oldoutbox.Get(name, &j)
 635	if ok {
 636		w.Header().Set("Content-Type", theonetruename)
 637		w.Write(j)
 638	} else {
 639		http.NotFound(w, r)
 640	}
 641}
 642
 643func emptiness(w http.ResponseWriter, r *http.Request) {
 644	name := mux.Vars(r)["name"]
 645	user, err := butwhatabout(name)
 646	if err != nil {
 647		http.NotFound(w, r)
 648		return
 649	}
 650	if stealthmode(user.ID, r) {
 651		http.NotFound(w, r)
 652		return
 653	}
 654	colname := "/followers"
 655	if strings.HasSuffix(r.URL.Path, "/following") {
 656		colname = "/following"
 657	}
 658	j := junk.New()
 659	j["@context"] = itiswhatitis
 660	j["id"] = user.URL + colname
 661	j["attributedTo"] = user.URL
 662	j["type"] = "OrderedCollection"
 663	j["totalItems"] = 0
 664	j["orderedItems"] = []junk.Junk{}
 665
 666	w.Header().Set("Content-Type", theonetruename)
 667	j.Write(w)
 668}
 669
 670func showuser(w http.ResponseWriter, r *http.Request) {
 671	name := mux.Vars(r)["name"]
 672	user, err := butwhatabout(name)
 673	if err != nil {
 674		log.Printf("user not found %s: %s", name, err)
 675		http.NotFound(w, r)
 676		return
 677	}
 678	if stealthmode(user.ID, r) {
 679		http.NotFound(w, r)
 680		return
 681	}
 682	if friendorfoe(r.Header.Get("Accept")) {
 683		j, ok := asjonker(name)
 684		if ok {
 685			w.Header().Set("Content-Type", theonetruename)
 686			w.Write(j)
 687		} else {
 688			http.NotFound(w, r)
 689		}
 690		return
 691	}
 692	u := login.GetUserInfo(r)
 693	honks := gethonksbyuser(name, u != nil && u.Username == name, 0)
 694	templinfo := getInfo(r)
 695	templinfo["Name"] = user.Name
 696	whatabout := user.About
 697	whatabout = markitzero(user.About)
 698	templinfo["WhatAbout"] = template.HTML(whatabout)
 699	templinfo["ServerMessage"] = ""
 700	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 701	honkpage(w, u, honks, templinfo)
 702}
 703
 704func showhonker(w http.ResponseWriter, r *http.Request) {
 705	u := login.GetUserInfo(r)
 706	name := mux.Vars(r)["name"]
 707	var honks []*Honk
 708	if name == "" {
 709		name = r.FormValue("xid")
 710		honks = gethonksbyxonker(u.UserID, name, 0)
 711	} else {
 712		honks = gethonksbyhonker(u.UserID, name, 0)
 713	}
 714	msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>`, name, name)
 715	templinfo := getInfo(r)
 716	templinfo["PageName"] = "honker"
 717	templinfo["PageArg"] = name
 718	templinfo["ServerMessage"] = msg
 719	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 720	honkpage(w, u, honks, templinfo)
 721}
 722
 723func showcombo(w http.ResponseWriter, r *http.Request) {
 724	name := mux.Vars(r)["name"]
 725	u := login.GetUserInfo(r)
 726	honks := gethonksbycombo(u.UserID, name, 0)
 727	honks = osmosis(honks, u.UserID, true)
 728	templinfo := getInfo(r)
 729	templinfo["PageName"] = "combo"
 730	templinfo["PageArg"] = name
 731	templinfo["ServerMessage"] = "honks by combo: " + name
 732	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 733	honkpage(w, u, honks, templinfo)
 734}
 735func showconvoy(w http.ResponseWriter, r *http.Request) {
 736	c := r.FormValue("c")
 737	u := login.GetUserInfo(r)
 738	honks := gethonksbyconvoy(u.UserID, c, 0)
 739	templinfo := getInfo(r)
 740	if len(honks) > 0 {
 741		templinfo["TopHID"] = honks[0].ID
 742	}
 743	honks = osmosis(honks, u.UserID, false)
 744	reversehonks(honks)
 745	templinfo["PageName"] = "convoy"
 746	templinfo["PageArg"] = c
 747	templinfo["ServerMessage"] = "honks in convoy: " + c
 748	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 749	honkpage(w, u, honks, templinfo)
 750}
 751func showsearch(w http.ResponseWriter, r *http.Request) {
 752	q := r.FormValue("q")
 753	u := login.GetUserInfo(r)
 754	honks := gethonksbysearch(u.UserID, q, 0)
 755	templinfo := getInfo(r)
 756	templinfo["PageName"] = "search"
 757	templinfo["PageArg"] = q
 758	templinfo["ServerMessage"] = "honks for search: " + q
 759	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 760	honkpage(w, u, honks, templinfo)
 761}
 762func showontology(w http.ResponseWriter, r *http.Request) {
 763	name := mux.Vars(r)["name"]
 764	u := login.GetUserInfo(r)
 765	var userid int64 = -1
 766	if u != nil {
 767		userid = u.UserID
 768	}
 769	honks := gethonksbyontology(userid, "#"+name, 0)
 770	if friendorfoe(r.Header.Get("Accept")) {
 771		if len(honks) > 20 {
 772			honks = honks[0:20]
 773		}
 774
 775		var xids []string
 776		for _, h := range honks {
 777			xids = append(xids, h.XID)
 778		}
 779
 780		user := getserveruser()
 781
 782		j := junk.New()
 783		j["@context"] = itiswhatitis
 784		j["id"] = fmt.Sprintf("https://%s/o/%s", serverName, name)
 785		j["name"] = "#" + name
 786		j["attributedTo"] = user.URL
 787		j["type"] = "OrderedCollection"
 788		j["totalItems"] = len(xids)
 789		j["orderedItems"] = xids
 790
 791		j.Write(w)
 792		return
 793	}
 794
 795	templinfo := getInfo(r)
 796	templinfo["ServerMessage"] = "honks by ontology: " + name
 797	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 798	honkpage(w, u, honks, templinfo)
 799}
 800
 801type Ont struct {
 802	Name  string
 803	Count int64
 804}
 805
 806func thelistingoftheontologies(w http.ResponseWriter, r *http.Request) {
 807	u := login.GetUserInfo(r)
 808	var userid int64 = -1
 809	if u != nil {
 810		userid = u.UserID
 811	}
 812	rows, err := stmtAllOnts.Query(userid)
 813	if err != nil {
 814		log.Printf("selection error: %s", err)
 815		return
 816	}
 817	defer rows.Close()
 818	var onts []Ont
 819	for rows.Next() {
 820		var o Ont
 821		err := rows.Scan(&o.Name, &o.Count)
 822		if err != nil {
 823			log.Printf("error scanning ont: %s", err)
 824			continue
 825		}
 826		if len(o.Name) > 24 {
 827			continue
 828		}
 829		o.Name = o.Name[1:]
 830		onts = append(onts, o)
 831	}
 832	sort.Slice(onts, func(i, j int) bool {
 833		return onts[i].Name < onts[j].Name
 834	})
 835	if u == nil {
 836		w.Header().Set("Cache-Control", "max-age=300")
 837	}
 838	templinfo := getInfo(r)
 839	templinfo["Onts"] = onts
 840	err = readviews.Execute(w, "onts.html", templinfo)
 841	if err != nil {
 842		log.Print(err)
 843	}
 844}
 845
 846func showhonk(w http.ResponseWriter, r *http.Request) {
 847	name := mux.Vars(r)["name"]
 848	user, err := butwhatabout(name)
 849	if err != nil {
 850		http.NotFound(w, r)
 851		return
 852	}
 853	if stealthmode(user.ID, r) {
 854		http.NotFound(w, r)
 855		return
 856	}
 857	xid := fmt.Sprintf("https://%s%s", serverName, r.URL.Path)
 858
 859	if friendorfoe(r.Header.Get("Accept")) {
 860		j, ok := gimmejonk(xid)
 861		if ok {
 862			w.Header().Set("Content-Type", theonetruename)
 863			w.Write(j)
 864		} else {
 865			http.NotFound(w, r)
 866		}
 867		return
 868	}
 869	honk := getxonk(user.ID, xid)
 870	if honk == nil {
 871		http.NotFound(w, r)
 872		return
 873	}
 874	u := login.GetUserInfo(r)
 875	if u != nil && u.UserID != user.ID {
 876		u = nil
 877	}
 878	if !honk.Public {
 879		if u == nil {
 880			http.NotFound(w, r)
 881			return
 882
 883		}
 884		templinfo := getInfo(r)
 885		templinfo["ServerMessage"] = "one honk maybe more"
 886		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 887		honkpage(w, u, []*Honk{honk}, templinfo)
 888		return
 889	}
 890	rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
 891	reversehonks(rawhonks)
 892	var honks []*Honk
 893	for _, h := range rawhonks {
 894		if h.Public && (h.Whofore == 2 || h.IsAcked()) {
 895			honks = append(honks, h)
 896		}
 897	}
 898
 899	templinfo := getInfo(r)
 900	templinfo["ServerMessage"] = "one honk maybe more"
 901	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 902	honkpage(w, u, honks, templinfo)
 903}
 904
 905func honkpage(w http.ResponseWriter, u *login.UserInfo, honks []*Honk, templinfo map[string]interface{}) {
 906	var userid int64 = -1
 907	if u != nil {
 908		userid = u.UserID
 909	}
 910	reverbolate(userid, honks)
 911	templinfo["Honks"] = honks
 912	if templinfo["TopHID"] == nil {
 913		if len(honks) > 0 {
 914			templinfo["TopHID"] = honks[0].ID
 915		} else {
 916			templinfo["TopHID"] = 0
 917		}
 918	}
 919	if u == nil {
 920		w.Header().Set("Cache-Control", "max-age=60")
 921	}
 922	err := readviews.Execute(w, "honkpage.html", templinfo)
 923	if err != nil {
 924		log.Print(err)
 925	}
 926}
 927
 928func saveuser(w http.ResponseWriter, r *http.Request) {
 929	whatabout := r.FormValue("whatabout")
 930	u := login.GetUserInfo(r)
 931	db := opendatabase()
 932	options := ""
 933	if r.FormValue("skinny") == "skinny" {
 934		options += " skinny "
 935	}
 936	_, err := db.Exec("update users set about = ?, options = ? where username = ?", whatabout, options, u.Username)
 937	if err != nil {
 938		log.Printf("error bouting what: %s", err)
 939	}
 940	somenamedusers.Clear(u.Username)
 941	somenumberedusers.Clear(u.UserID)
 942
 943	http.Redirect(w, r, "/account", http.StatusSeeOther)
 944}
 945
 946func submitbonk(w http.ResponseWriter, r *http.Request) {
 947	xid := r.FormValue("xid")
 948	userinfo := login.GetUserInfo(r)
 949	user, _ := butwhatabout(userinfo.Username)
 950
 951	log.Printf("bonking %s", xid)
 952
 953	xonk := getxonk(userinfo.UserID, xid)
 954	if xonk == nil {
 955		return
 956	}
 957	if !xonk.Public {
 958		return
 959	}
 960	donksforhonks([]*Honk{xonk})
 961
 962	_, err := stmtUpdateFlags.Exec(flagIsBonked, xonk.ID)
 963	if err != nil {
 964		log.Printf("error acking bonk: %s", err)
 965	}
 966
 967	oonker := xonk.Oonker
 968	if oonker == "" {
 969		oonker = xonk.Honker
 970	}
 971	dt := time.Now().UTC()
 972	bonk := &Honk{
 973		UserID:   userinfo.UserID,
 974		Username: userinfo.Username,
 975		What:     "bonk",
 976		Honker:   user.URL,
 977		Oonker:   oonker,
 978		XID:      xonk.XID,
 979		RID:      xonk.RID,
 980		Noise:    xonk.Noise,
 981		Precis:   xonk.Precis,
 982		URL:      xonk.URL,
 983		Date:     dt,
 984		Donks:    xonk.Donks,
 985		Whofore:  2,
 986		Convoy:   xonk.Convoy,
 987		Audience: []string{thewholeworld, oonker},
 988		Public:   true,
 989		Format:   "html",
 990		Place:    xonk.Place,
 991		Onts:     xonk.Onts,
 992		Time:     xonk.Time,
 993	}
 994
 995	err = savehonk(bonk)
 996	if err != nil {
 997		log.Printf("uh oh")
 998		return
 999	}
1000
1001	go honkworldwide(user, bonk)
1002
1003	if r.FormValue("js") != "1" {
1004		templinfo := getInfo(r)
1005		templinfo["ServerMessage"] = "Bonked!"
1006		err = readviews.Execute(w, "msg.html", templinfo)
1007		if err != nil {
1008			log.Print(err)
1009		}
1010	}
1011}
1012
1013func sendzonkofsorts(xonk *Honk, user *WhatAbout, what string) {
1014	zonk := &Honk{
1015		What:     what,
1016		XID:      xonk.XID,
1017		Date:     time.Now().UTC(),
1018		Audience: oneofakind(xonk.Audience),
1019	}
1020	zonk.Public = !keepitquiet(zonk.Audience)
1021
1022	log.Printf("announcing %sed honk: %s", what, xonk.XID)
1023	go honkworldwide(user, zonk)
1024}
1025
1026func zonkit(w http.ResponseWriter, r *http.Request) {
1027	wherefore := r.FormValue("wherefore")
1028	what := r.FormValue("what")
1029	userinfo := login.GetUserInfo(r)
1030	user, _ := butwhatabout(userinfo.Username)
1031
1032	if wherefore == "save" {
1033		xonk := getxonk(userinfo.UserID, what)
1034		if xonk != nil {
1035			_, err := stmtUpdateFlags.Exec(flagIsSaved, xonk.ID)
1036			if err != nil {
1037				log.Printf("error saving: %s", err)
1038			}
1039		}
1040		return
1041	}
1042
1043	if wherefore == "unsave" {
1044		xonk := getxonk(userinfo.UserID, what)
1045		if xonk != nil {
1046			_, err := stmtClearFlags.Exec(flagIsSaved, xonk.ID)
1047			if err != nil {
1048				log.Printf("error unsaving: %s", err)
1049			}
1050		}
1051		return
1052	}
1053
1054	// my hammer is too big, oh well
1055	defer oldjonks.Flush()
1056
1057	if wherefore == "ack" {
1058		xonk := getxonk(userinfo.UserID, what)
1059		if xonk != nil {
1060			_, err := stmtUpdateFlags.Exec(flagIsAcked, xonk.ID)
1061			if err != nil {
1062				log.Printf("error acking: %s", err)
1063			}
1064			sendzonkofsorts(xonk, user, "ack")
1065		}
1066		return
1067	}
1068
1069	if wherefore == "deack" {
1070		xonk := getxonk(userinfo.UserID, what)
1071		if xonk != nil {
1072			_, err := stmtClearFlags.Exec(flagIsAcked, xonk.ID)
1073			if err != nil {
1074				log.Printf("error deacking: %s", err)
1075			}
1076			sendzonkofsorts(xonk, user, "deack")
1077		}
1078		return
1079	}
1080
1081	if wherefore == "unbonk" {
1082		xonk := getbonk(userinfo.UserID, what)
1083		if xonk != nil {
1084			deletehonk(xonk.ID)
1085			xonk = getxonk(userinfo.UserID, what)
1086			_, err := stmtClearFlags.Exec(flagIsBonked, xonk.ID)
1087			if err != nil {
1088				log.Printf("error unbonking: %s", err)
1089			}
1090			sendzonkofsorts(xonk, user, "unbonk")
1091		}
1092		return
1093	}
1094
1095	log.Printf("zonking %s %s", wherefore, what)
1096	if wherefore == "zonk" {
1097		xonk := getxonk(userinfo.UserID, what)
1098		if xonk != nil {
1099			deletehonk(xonk.ID)
1100			if xonk.Whofore == 2 || xonk.Whofore == 3 {
1101				sendzonkofsorts(xonk, user, "zonk")
1102			}
1103		}
1104	}
1105	_, err := stmtSaveZonker.Exec(userinfo.UserID, what, wherefore)
1106	if err != nil {
1107		log.Printf("error saving zonker: %s", err)
1108		return
1109	}
1110}
1111
1112func edithonkpage(w http.ResponseWriter, r *http.Request) {
1113	u := login.GetUserInfo(r)
1114	user, _ := butwhatabout(u.Username)
1115	xid := r.FormValue("xid")
1116	honk := getxonk(u.UserID, xid)
1117	if !canedithonk(user, honk) {
1118		http.Error(w, "no editing that please", http.StatusInternalServerError)
1119		return
1120	}
1121
1122	noise := honk.Noise
1123	if honk.Precis != "" {
1124		noise = honk.Precis + "\n\n" + noise
1125	}
1126
1127	honks := []*Honk{honk}
1128	donksforhonks(honks)
1129	reverbolate(u.UserID, honks)
1130	templinfo := getInfo(r)
1131	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1132	templinfo["Honks"] = honks
1133	templinfo["Noise"] = noise
1134	templinfo["SavedPlace"] = honk.Place
1135	templinfo["ServerMessage"] = "honk edit"
1136	templinfo["IsPreview"] = true
1137	templinfo["UpdateXID"] = honk.XID
1138	if len(honk.Donks) > 0 {
1139		templinfo["SavedFile"] = honk.Donks[0].XID
1140	}
1141	err := readviews.Execute(w, "honkpage.html", templinfo)
1142	if err != nil {
1143		log.Print(err)
1144	}
1145}
1146
1147func newhonkpage(w http.ResponseWriter, r *http.Request) {
1148	u := login.GetUserInfo(r)
1149	rid := r.FormValue("rid")
1150	noise := ""
1151
1152	xonk := getxonk(u.UserID, rid)
1153	if xonk != nil {
1154		_, replto := handles(xonk.Honker)
1155		if replto != "" {
1156			noise = "@" + replto + " "
1157		}
1158	}
1159
1160	templinfo := getInfo(r)
1161	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1162	templinfo["InReplyTo"] = rid
1163	templinfo["Noise"] = noise
1164	templinfo["ServerMessage"] = "compose honk"
1165	templinfo["IsPreview"] = true
1166	err := readviews.Execute(w, "honkpage.html", templinfo)
1167	if err != nil {
1168		log.Print(err)
1169	}
1170}
1171
1172func canedithonk(user *WhatAbout, honk *Honk) bool {
1173	if honk == nil || honk.Honker != user.URL || honk.What == "bonk" {
1174		return false
1175	}
1176	return true
1177}
1178
1179// what a hot mess this function is
1180func submithonk(w http.ResponseWriter, r *http.Request) {
1181	rid := r.FormValue("rid")
1182	noise := r.FormValue("noise")
1183
1184	userinfo := login.GetUserInfo(r)
1185	user, _ := butwhatabout(userinfo.Username)
1186
1187	dt := time.Now().UTC()
1188	updatexid := r.FormValue("updatexid")
1189	var honk *Honk
1190	if updatexid != "" {
1191		honk = getxonk(userinfo.UserID, updatexid)
1192		if !canedithonk(user, honk) {
1193			http.Error(w, "no editing that please", http.StatusInternalServerError)
1194			return
1195		}
1196		honk.Date = dt
1197		honk.What = "update"
1198		honk.Format = "markdown"
1199	} else {
1200		xid := fmt.Sprintf("%s/%s/%s", user.URL, honkSep, xfiltrate())
1201		what := "honk"
1202		if rid != "" {
1203			what = "tonk"
1204		}
1205		honk = &Honk{
1206			UserID:   userinfo.UserID,
1207			Username: userinfo.Username,
1208			What:     what,
1209			Honker:   user.URL,
1210			XID:      xid,
1211			Date:     dt,
1212			Format:   "markdown",
1213		}
1214	}
1215
1216	noise = hooterize(noise)
1217	honk.Noise = noise
1218	translate(honk, false)
1219
1220	var convoy string
1221	if rid != "" {
1222		xonk := getxonk(userinfo.UserID, rid)
1223		if xonk != nil {
1224			if xonk.Public {
1225				honk.Audience = append(honk.Audience, xonk.Audience...)
1226			}
1227			convoy = xonk.Convoy
1228		} else {
1229			xonkaud, c := whosthere(rid)
1230			honk.Audience = append(honk.Audience, xonkaud...)
1231			convoy = c
1232		}
1233		for i, a := range honk.Audience {
1234			if a == thewholeworld {
1235				honk.Audience[0], honk.Audience[i] = honk.Audience[i], honk.Audience[0]
1236				break
1237			}
1238		}
1239		honk.RID = rid
1240	} else {
1241		honk.Audience = []string{thewholeworld}
1242	}
1243	if honk.Noise != "" && honk.Noise[0] == '@' {
1244		honk.Audience = append(grapevine(honk.Noise), honk.Audience...)
1245	} else {
1246		honk.Audience = append(honk.Audience, grapevine(honk.Noise)...)
1247	}
1248
1249	if convoy == "" {
1250		convoy = "data:,electrichonkytonk-" + xfiltrate()
1251	}
1252	butnottooloud(honk.Audience)
1253	honk.Audience = oneofakind(honk.Audience)
1254	if len(honk.Audience) == 0 {
1255		log.Printf("honk to nowhere")
1256		http.Error(w, "honk to nowhere...", http.StatusNotFound)
1257		return
1258	}
1259	honk.Public = !keepitquiet(honk.Audience)
1260	honk.Convoy = convoy
1261
1262	donkxid := r.FormValue("donkxid")
1263	if donkxid == "" {
1264		file, filehdr, err := r.FormFile("donk")
1265		if err == nil {
1266			var buf bytes.Buffer
1267			io.Copy(&buf, file)
1268			file.Close()
1269			data := buf.Bytes()
1270			xid := xfiltrate()
1271			var media, name string
1272			img, err := image.Vacuum(&buf, image.Params{MaxWidth: 2048, MaxHeight: 2048})
1273			if err == nil {
1274				data = img.Data
1275				format := img.Format
1276				media = "image/" + format
1277				if format == "jpeg" {
1278					format = "jpg"
1279				}
1280				name = xid + "." + format
1281				xid = name
1282			} else {
1283				maxsize := 100000
1284				if len(data) > maxsize {
1285					log.Printf("bad image: %s too much text: %d", err, len(data))
1286					http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1287					return
1288				}
1289				for i := 0; i < len(data); i++ {
1290					if data[i] < 32 && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' {
1291						log.Printf("bad image: %s not text: %d", err, data[i])
1292						http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1293						return
1294					}
1295				}
1296				media = "text/plain"
1297				name = filehdr.Filename
1298				if name == "" {
1299					name = xid + ".txt"
1300				}
1301				xid += ".txt"
1302			}
1303			desc := strings.TrimSpace(r.FormValue("donkdesc"))
1304			if desc == "" {
1305				desc = name
1306			}
1307			url := fmt.Sprintf("https://%s/d/%s", serverName, xid)
1308			fileid, err := savefile(xid, name, desc, url, media, true, data)
1309			if err != nil {
1310				log.Printf("unable to save image: %s", err)
1311				return
1312			}
1313			d := &Donk{
1314				FileID: fileid,
1315				XID:    xid,
1316				Desc:   desc,
1317				URL:    url,
1318				Local:  true,
1319			}
1320			honk.Donks = append(honk.Donks, d)
1321			donkxid = xid
1322		}
1323	} else {
1324		xid := donkxid
1325		url := fmt.Sprintf("https://%s/d/%s", serverName, xid)
1326		donk := finddonk(url)
1327		if donk != nil {
1328			honk.Donks = append(honk.Donks, donk)
1329		} else {
1330			log.Printf("can't find file: %s", xid)
1331		}
1332	}
1333	herd := herdofemus(honk.Noise)
1334	for _, e := range herd {
1335		donk := savedonk(e.ID, e.Name, e.Name, "image/png", true)
1336		if donk != nil {
1337			donk.Name = e.Name
1338			honk.Donks = append(honk.Donks, donk)
1339		}
1340	}
1341	memetize(honk)
1342	imaginate(honk)
1343
1344	placename := strings.TrimSpace(r.FormValue("placename"))
1345	placelat := strings.TrimSpace(r.FormValue("placelat"))
1346	placelong := strings.TrimSpace(r.FormValue("placelong"))
1347	placeurl := strings.TrimSpace(r.FormValue("placeurl"))
1348	if placename != "" || placelat != "" || placelong != "" || placeurl != "" {
1349		p := new(Place)
1350		p.Name = placename
1351		p.Latitude, _ = strconv.ParseFloat(placelat, 64)
1352		p.Longitude, _ = strconv.ParseFloat(placelong, 64)
1353		p.Url = placeurl
1354		honk.Place = p
1355	}
1356	timestart := strings.TrimSpace(r.FormValue("timestart"))
1357	if timestart != "" {
1358		t := new(Time)
1359		now := time.Now().Local()
1360		for _, layout := range []string{"2006-01-02 3:04pm", "2006-01-02 15:04", "3:04pm", "15:04"} {
1361			start, err := time.ParseInLocation(layout, timestart, now.Location())
1362			if err == nil {
1363				if start.Year() == 0 {
1364					start = time.Date(now.Year(), now.Month(), now.Day(), start.Hour(), start.Minute(), 0, 0, now.Location())
1365				}
1366				t.StartTime = start
1367				break
1368			}
1369		}
1370		timeend := r.FormValue("timeend")
1371		dur := parseDuration(timeend)
1372		if dur != 0 {
1373			t.Duration = Duration(dur)
1374		}
1375		if !t.StartTime.IsZero() {
1376			honk.What = "event"
1377			honk.Time = t
1378		}
1379	}
1380
1381	if honk.Public {
1382		honk.Whofore = 2
1383	} else {
1384		honk.Whofore = 3
1385	}
1386
1387	// back to markdown
1388	honk.Noise = noise
1389
1390	if r.FormValue("preview") == "preview" {
1391		honks := []*Honk{honk}
1392		reverbolate(userinfo.UserID, honks)
1393		templinfo := getInfo(r)
1394		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1395		templinfo["Honks"] = honks
1396		templinfo["InReplyTo"] = r.FormValue("rid")
1397		templinfo["Noise"] = r.FormValue("noise")
1398		templinfo["SavedFile"] = donkxid
1399		templinfo["IsPreview"] = true
1400		templinfo["ServerMessage"] = "honk preview"
1401		err := readviews.Execute(w, "honkpage.html", templinfo)
1402		if err != nil {
1403			log.Print(err)
1404		}
1405		return
1406	}
1407
1408	if updatexid != "" {
1409		updatehonk(honk)
1410		oldjonks.Clear(honk.XID)
1411	} else {
1412		err := savehonk(honk)
1413		if err != nil {
1414			log.Printf("uh oh")
1415			return
1416		}
1417	}
1418
1419	// reload for consistency
1420	honk.Donks = nil
1421	donksforhonks([]*Honk{honk})
1422
1423	go honkworldwide(user, honk)
1424
1425	http.Redirect(w, r, honk.XID[len(serverName)+8:], http.StatusSeeOther)
1426}
1427
1428func showhonkers(w http.ResponseWriter, r *http.Request) {
1429	userinfo := login.GetUserInfo(r)
1430	templinfo := getInfo(r)
1431	templinfo["Honkers"] = gethonkers(userinfo.UserID)
1432	templinfo["HonkerCSRF"] = login.GetCSRF("submithonker", r)
1433	err := readviews.Execute(w, "honkers.html", templinfo)
1434	if err != nil {
1435		log.Print(err)
1436	}
1437}
1438
1439var combocache = cache.New(cache.Options{Filler: func(userid int64) ([]string, bool) {
1440	honkers := gethonkers(userid)
1441	var combos []string
1442	for _, h := range honkers {
1443		combos = append(combos, h.Combos...)
1444	}
1445	for i, c := range combos {
1446		if c == "-" {
1447			combos[i] = ""
1448		}
1449	}
1450	combos = oneofakind(combos)
1451	sort.Strings(combos)
1452	return combos, true
1453}, Invalidator: &honkerinvalidator})
1454
1455func showcombos(w http.ResponseWriter, r *http.Request) {
1456	userinfo := login.GetUserInfo(r)
1457	var combos []string
1458	combocache.Get(userinfo.UserID, &combos)
1459	templinfo := getInfo(r)
1460	err := readviews.Execute(w, "combos.html", templinfo)
1461	if err != nil {
1462		log.Print(err)
1463	}
1464}
1465
1466func submithonker(w http.ResponseWriter, r *http.Request) {
1467	u := login.GetUserInfo(r)
1468	name := strings.TrimSpace(r.FormValue("name"))
1469	url := strings.TrimSpace(r.FormValue("url"))
1470	peep := r.FormValue("peep")
1471	combos := strings.TrimSpace(r.FormValue("combos"))
1472	combos = " " + combos + " "
1473	honkerid, _ := strconv.ParseInt(r.FormValue("honkerid"), 10, 0)
1474
1475	defer honkerinvalidator.Clear(u.UserID)
1476
1477	if honkerid > 0 {
1478		goodbye := r.FormValue("goodbye")
1479		if goodbye == "F" {
1480			db := opendatabase()
1481			row := db.QueryRow("select xid from honkers where honkerid = ? and userid = ? and flavor in ('sub')",
1482				honkerid, u.UserID)
1483			err := row.Scan(&url)
1484			if err != nil {
1485				log.Printf("can't get honker xid: %s", err)
1486				return
1487			}
1488			log.Printf("unsubscribing from %s", url)
1489			user, _ := butwhatabout(u.Username)
1490			_, err = stmtUpdateFlavor.Exec("unsub", u.UserID, url, name, "sub")
1491			if err != nil {
1492				log.Printf("error updating honker: %s", err)
1493				return
1494			}
1495			go itakeitallback(user, url)
1496
1497			http.Redirect(w, r, "/honkers", http.StatusSeeOther)
1498			return
1499		}
1500		if goodbye == "X" {
1501			var owner string
1502			db := opendatabase()
1503			row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep')",
1504				honkerid, u.UserID)
1505			err := row.Scan(&url, &owner)
1506			if err != nil {
1507				log.Printf("can't get honker xid: %s", err)
1508				return
1509			}
1510			log.Printf("resubscribing to %s", url)
1511			user, _ := butwhatabout(u.Username)
1512			_, err = stmtUpdateFlavor.Exec("presub", u.UserID, url, name, "unsub")
1513			if err == nil {
1514				_, err = stmtUpdateFlavor.Exec("presub", u.UserID, url, name, "peep")
1515			}
1516			if err != nil {
1517				log.Printf("error updating honker: %s", err)
1518				return
1519			}
1520			go subsub(user, url, owner)
1521
1522			http.Redirect(w, r, "/honkers", http.StatusSeeOther)
1523			return
1524		}
1525		_, err := stmtUpdateHonker.Exec(name, combos, honkerid, u.UserID)
1526		if err != nil {
1527			log.Printf("update honker err: %s", err)
1528			return
1529		}
1530		http.Redirect(w, r, "/honkers", http.StatusSeeOther)
1531		return
1532	}
1533
1534	if url == "" {
1535		http.Error(w, "subscribing to nothing?", http.StatusInternalServerError)
1536		return
1537	}
1538
1539	flavor := "presub"
1540	if peep == "peep" {
1541		flavor = "peep"
1542	}
1543
1544	if url[0] == '#' {
1545		flavor = "peep"
1546		if name == "" {
1547			name = url
1548		}
1549		_, err := stmtSaveHonker.Exec(u.UserID, name, url, flavor, combos, url)
1550		if err != nil {
1551			log.Print(err)
1552			return
1553		}
1554		http.Redirect(w, r, "/honkers", http.StatusSeeOther)
1555		return
1556	}
1557
1558	info, err := investigate(url)
1559	if err != nil {
1560		http.Error(w, "error investigating: "+err.Error(), http.StatusInternalServerError)
1561		log.Printf("failed to investigate honker: %s", err)
1562		return
1563	}
1564	url = info.XID
1565
1566	db := opendatabase()
1567	row := db.QueryRow("select xid from honkers where xid = ? and userid = ? and flavor in ('sub', 'unsub', 'peep')", url, u.UserID)
1568	var x string
1569	err = row.Scan(&x)
1570	if err != sql.ErrNoRows {
1571		http.Error(w, "it seems you are already subscribed to them", http.StatusInternalServerError)
1572		if err != nil {
1573			log.Printf("honker scan err: %s", err)
1574		}
1575		return
1576	}
1577
1578	if name == "" {
1579		name = info.Name
1580	}
1581	_, err = stmtSaveHonker.Exec(u.UserID, name, url, flavor, combos, info.Owner)
1582	if err != nil {
1583		log.Print(err)
1584		return
1585	}
1586	if flavor == "presub" {
1587		user, _ := butwhatabout(u.Username)
1588		go subsub(user, url, info.Owner)
1589	}
1590	http.Redirect(w, r, "/honkers", http.StatusSeeOther)
1591}
1592
1593func hfcspage(w http.ResponseWriter, r *http.Request) {
1594	userinfo := login.GetUserInfo(r)
1595
1596	filters := getfilters(userinfo.UserID, filtAny)
1597
1598	templinfo := getInfo(r)
1599	templinfo["Filters"] = filters
1600	templinfo["FilterCSRF"] = login.GetCSRF("filter", r)
1601	err := readviews.Execute(w, "hfcs.html", templinfo)
1602	if err != nil {
1603		log.Print(err)
1604	}
1605}
1606
1607func savehfcs(w http.ResponseWriter, r *http.Request) {
1608	userinfo := login.GetUserInfo(r)
1609	itsok := r.FormValue("itsok")
1610	if itsok == "iforgiveyou" {
1611		hfcsid, _ := strconv.ParseInt(r.FormValue("hfcsid"), 10, 0)
1612		_, err := stmtDeleteFilter.Exec(userinfo.UserID, hfcsid)
1613		if err != nil {
1614			log.Printf("error deleting filter: %s", err)
1615		}
1616		filtcache.Clear(userinfo.UserID)
1617		http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
1618		return
1619	}
1620
1621	filt := new(Filter)
1622	filt.Name = strings.TrimSpace(r.FormValue("name"))
1623	filt.Date = time.Now().UTC()
1624	filt.Actor = strings.TrimSpace(r.FormValue("actor"))
1625	filt.IncludeAudience = r.FormValue("incaud") == "yes"
1626	filt.Text = strings.TrimSpace(r.FormValue("filttext"))
1627	filt.IsAnnounce = r.FormValue("isannounce") == "yes"
1628	filt.AnnounceOf = strings.TrimSpace(r.FormValue("announceof"))
1629	filt.Reject = r.FormValue("doreject") == "yes"
1630	filt.SkipMedia = r.FormValue("doskipmedia") == "yes"
1631	filt.Hide = r.FormValue("dohide") == "yes"
1632	filt.Collapse = r.FormValue("docollapse") == "yes"
1633	filt.Rewrite = strings.TrimSpace(r.FormValue("filtrewrite"))
1634	filt.Replace = strings.TrimSpace(r.FormValue("filtreplace"))
1635	if dur := parseDuration(r.FormValue("filtduration")); dur > 0 {
1636		filt.Expiration = time.Now().UTC().Add(dur)
1637	}
1638
1639	if filt.Actor == "" && filt.Text == "" {
1640		log.Printf("blank filter")
1641		return
1642	}
1643
1644	j, err := jsonify(filt)
1645	if err == nil {
1646		_, err = stmtSaveFilter.Exec(userinfo.UserID, j)
1647	}
1648	if err != nil {
1649		log.Printf("error saving filter: %s", err)
1650	}
1651
1652	filtcache.Clear(userinfo.UserID)
1653	http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
1654}
1655
1656func accountpage(w http.ResponseWriter, r *http.Request) {
1657	u := login.GetUserInfo(r)
1658	user, _ := butwhatabout(u.Username)
1659	templinfo := getInfo(r)
1660	templinfo["UserCSRF"] = login.GetCSRF("saveuser", r)
1661	templinfo["LogoutCSRF"] = login.GetCSRF("logout", r)
1662	templinfo["User"] = user
1663	err := readviews.Execute(w, "account.html", templinfo)
1664	if err != nil {
1665		log.Print(err)
1666	}
1667}
1668
1669func dochpass(w http.ResponseWriter, r *http.Request) {
1670	err := login.ChangePassword(w, r)
1671	if err != nil {
1672		log.Printf("error changing password: %s", err)
1673	}
1674	http.Redirect(w, r, "/account", http.StatusSeeOther)
1675}
1676
1677func fingerlicker(w http.ResponseWriter, r *http.Request) {
1678	orig := r.FormValue("resource")
1679
1680	log.Printf("finger lick: %s", orig)
1681
1682	if strings.HasPrefix(orig, "acct:") {
1683		orig = orig[5:]
1684	}
1685
1686	name := orig
1687	idx := strings.LastIndexByte(name, '/')
1688	if idx != -1 {
1689		name = name[idx+1:]
1690		if fmt.Sprintf("https://%s/%s/%s", serverName, userSep, name) != orig {
1691			log.Printf("foreign request rejected")
1692			name = ""
1693		}
1694	} else {
1695		idx = strings.IndexByte(name, '@')
1696		if idx != -1 {
1697			name = name[:idx]
1698			if name+"@"+serverName != orig {
1699				log.Printf("foreign request rejected")
1700				name = ""
1701			}
1702		}
1703	}
1704	user, err := butwhatabout(name)
1705	if err != nil {
1706		http.NotFound(w, r)
1707		return
1708	}
1709	if stealthmode(user.ID, r) {
1710		http.NotFound(w, r)
1711		return
1712	}
1713
1714	j := junk.New()
1715	j["subject"] = fmt.Sprintf("acct:%s@%s", user.Name, serverName)
1716	j["aliases"] = []string{user.URL}
1717	l := junk.New()
1718	l["rel"] = "self"
1719	l["type"] = `application/activity+json`
1720	l["href"] = user.URL
1721	j["links"] = []junk.Junk{l}
1722
1723	w.Header().Set("Content-Type", "application/jrd+json")
1724	j.Write(w)
1725}
1726
1727func somedays() string {
1728	secs := 432000 + notrand.Int63n(432000)
1729	return fmt.Sprintf("%d", secs)
1730}
1731
1732func avatate(w http.ResponseWriter, r *http.Request) {
1733	n := r.FormValue("a")
1734	a := avatar(n)
1735	w.Header().Set("Cache-Control", "max-age="+somedays())
1736	w.Write(a)
1737}
1738
1739func servecss(w http.ResponseWriter, r *http.Request) {
1740	fd, err := os.Open("views" + r.URL.Path)
1741	if err != nil {
1742		http.NotFound(w, r)
1743		return
1744	}
1745	defer fd.Close()
1746	w.Header().Set("Cache-Control", "max-age=7776000")
1747	w.Header().Set("Content-Type", "text/css; charset=utf-8")
1748	err = css.Filter(fd, w)
1749	if err != nil {
1750		log.Printf("error filtering css: %s", err)
1751	}
1752}
1753func serveasset(w http.ResponseWriter, r *http.Request) {
1754	w.Header().Set("Cache-Control", "max-age=7776000")
1755	http.ServeFile(w, r, "views"+r.URL.Path)
1756}
1757func servehelp(w http.ResponseWriter, r *http.Request) {
1758	name := mux.Vars(r)["name"]
1759	w.Header().Set("Cache-Control", "max-age=3600")
1760	http.ServeFile(w, r, "docs/"+name)
1761}
1762func servehtml(w http.ResponseWriter, r *http.Request) {
1763	u := login.GetUserInfo(r)
1764	templinfo := getInfo(r)
1765	templinfo["AboutMsg"] = aboutMsg
1766	templinfo["LoginMsg"] = loginMsg
1767	if u == nil {
1768		w.Header().Set("Cache-Control", "max-age=60")
1769	}
1770	err := readviews.Execute(w, r.URL.Path[1:]+".html", templinfo)
1771	if err != nil {
1772		log.Print(err)
1773	}
1774}
1775func serveemu(w http.ResponseWriter, r *http.Request) {
1776	xid := mux.Vars(r)["xid"]
1777	w.Header().Set("Cache-Control", "max-age="+somedays())
1778	http.ServeFile(w, r, "emus/"+xid)
1779}
1780func servememe(w http.ResponseWriter, r *http.Request) {
1781	xid := mux.Vars(r)["xid"]
1782	w.Header().Set("Cache-Control", "max-age="+somedays())
1783	http.ServeFile(w, r, "memes/"+xid)
1784}
1785
1786func servefile(w http.ResponseWriter, r *http.Request) {
1787	xid := mux.Vars(r)["xid"]
1788	row := stmtGetFileData.QueryRow(xid)
1789	var media string
1790	var data []byte
1791	err := row.Scan(&media, &data)
1792	if err != nil {
1793		log.Printf("error loading file: %s", err)
1794		http.NotFound(w, r)
1795		return
1796	}
1797	w.Header().Set("Content-Type", media)
1798	w.Header().Set("X-Content-Type-Options", "nosniff")
1799	w.Header().Set("Cache-Control", "max-age="+somedays())
1800	w.Write(data)
1801}
1802
1803func nomoroboto(w http.ResponseWriter, r *http.Request) {
1804	io.WriteString(w, "User-agent: *\n")
1805	io.WriteString(w, "Disallow: /a\n")
1806	io.WriteString(w, "Disallow: /d\n")
1807	io.WriteString(w, "Disallow: /meme\n")
1808	io.WriteString(w, "Disallow: /o\n")
1809	for _, u := range allusers() {
1810		fmt.Fprintf(w, "Disallow: /%s/%s/%s/\n", userSep, u.Username, honkSep)
1811	}
1812}
1813
1814func webhydra(w http.ResponseWriter, r *http.Request) {
1815	u := login.GetUserInfo(r)
1816	userid := u.UserID
1817	templinfo := getInfo(r)
1818	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1819	page := r.FormValue("page")
1820
1821	wanted, _ := strconv.ParseInt(r.FormValue("tophid"), 10, 0)
1822
1823	var honks []*Honk
1824	switch page {
1825	case "atme":
1826		honks = gethonksforme(userid, wanted)
1827		honks = osmosis(honks, userid, false)
1828		templinfo["ServerMessage"] = "at me!"
1829	case "home":
1830		honks = gethonksforuser(userid, wanted)
1831		honks = osmosis(honks, userid, true)
1832		templinfo["ServerMessage"] = serverMsg
1833	case "first":
1834		honks = gethonksforuserfirstclass(userid, wanted)
1835		honks = osmosis(honks, userid, true)
1836		templinfo["ServerMessage"] = "first class only"
1837	case "saved":
1838		honks = getsavedhonks(userid, wanted)
1839		templinfo["PageName"] = "saved"
1840		templinfo["ServerMessage"] = "saved honks"
1841	case "combo":
1842		c := r.FormValue("c")
1843		honks = gethonksbycombo(userid, c, wanted)
1844		honks = osmosis(honks, userid, false)
1845		templinfo["ServerMessage"] = "honks by combo: " + c
1846	case "convoy":
1847		c := r.FormValue("c")
1848		honks = gethonksbyconvoy(userid, c, wanted)
1849		honks = osmosis(honks, userid, false)
1850		templinfo["ServerMessage"] = "honks in convoy: " + c
1851	case "honker":
1852		xid := r.FormValue("xid")
1853		if strings.IndexByte(xid, '@') != -1 {
1854			xid = gofish(xid)
1855		}
1856		honks = gethonksbyxonker(userid, xid, wanted)
1857		msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>`, xid, xid)
1858		templinfo["ServerMessage"] = msg
1859	default:
1860		http.NotFound(w, r)
1861	}
1862	if len(honks) > 0 {
1863		templinfo["TopHID"] = honks[0].ID
1864	} else {
1865		templinfo["TopHID"] = wanted
1866	}
1867	reverbolate(userid, honks)
1868	templinfo["Honks"] = honks
1869	w.Header().Set("Content-Type", "text/html; charset=utf-8")
1870	err := readviews.Execute(w, "honkfrags.html", templinfo)
1871	if err != nil {
1872		log.Printf("frag error: %s", err)
1873	}
1874}
1875
1876func serve() {
1877	db := opendatabase()
1878	login.Init(db)
1879
1880	listener, err := openListener()
1881	if err != nil {
1882		log.Fatal(err)
1883	}
1884	go redeliverator()
1885
1886	debug := false
1887	getconfig("debug", &debug)
1888	readviews = templates.Load(debug,
1889		"views/honkpage.html",
1890		"views/honkfrags.html",
1891		"views/honkers.html",
1892		"views/hfcs.html",
1893		"views/combos.html",
1894		"views/honkform.html",
1895		"views/honk.html",
1896		"views/account.html",
1897		"views/about.html",
1898		"views/funzone.html",
1899		"views/login.html",
1900		"views/xzone.html",
1901		"views/msg.html",
1902		"views/header.html",
1903		"views/onts.html",
1904		"views/honkpage.js",
1905	)
1906	if !debug {
1907		assets := []string{"views/style.css", "views/local.css", "views/honkpage.js"}
1908		for _, s := range assets {
1909			savedassetparams[s] = getassetparam(s)
1910		}
1911	}
1912
1913	mux := mux.NewRouter()
1914	mux.Use(login.Checker)
1915
1916	posters := mux.Methods("POST").Subrouter()
1917	getters := mux.Methods("GET").Subrouter()
1918
1919	getters.HandleFunc("/", homepage)
1920	getters.HandleFunc("/home", homepage)
1921	getters.HandleFunc("/front", homepage)
1922	getters.HandleFunc("/events", homepage)
1923	getters.HandleFunc("/robots.txt", nomoroboto)
1924	getters.HandleFunc("/rss", showrss)
1925	getters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}", showuser)
1926	getters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}/"+honkSep+"/{xid:[[:alnum:]]+}", showhonk)
1927	getters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}/rss", showrss)
1928	posters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}/inbox", inbox)
1929	getters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}/outbox", outbox)
1930	getters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}/followers", emptiness)
1931	getters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}/following", emptiness)
1932	getters.HandleFunc("/a", avatate)
1933	getters.HandleFunc("/o", thelistingoftheontologies)
1934	getters.HandleFunc("/o/{name:.+}", showontology)
1935	getters.HandleFunc("/d/{xid:[[:alnum:].]+}", servefile)
1936	getters.HandleFunc("/emu/{xid:[[:alnum:]_.-]+}", serveemu)
1937	getters.HandleFunc("/meme/{xid:[[:alnum:]_.-]+}", servememe)
1938	getters.HandleFunc("/.well-known/webfinger", fingerlicker)
1939
1940	getters.HandleFunc("/server", serveractor)
1941	posters.HandleFunc("/server/inbox", serverinbox)
1942
1943	getters.HandleFunc("/style.css", servecss)
1944	getters.HandleFunc("/local.css", servecss)
1945	getters.HandleFunc("/honkpage.js", serveasset)
1946	getters.HandleFunc("/about", servehtml)
1947	getters.HandleFunc("/login", servehtml)
1948	posters.HandleFunc("/dologin", login.LoginFunc)
1949	getters.HandleFunc("/logout", login.LogoutFunc)
1950	getters.HandleFunc("/help/{name:[[:alnum:]_.-]+}", servehelp)
1951
1952	loggedin := mux.NewRoute().Subrouter()
1953	loggedin.Use(login.Required)
1954	loggedin.HandleFunc("/first", homepage)
1955	loggedin.HandleFunc("/saved", homepage)
1956	loggedin.HandleFunc("/account", accountpage)
1957	loggedin.HandleFunc("/funzone", showfunzone)
1958	loggedin.HandleFunc("/chpass", dochpass)
1959	loggedin.HandleFunc("/atme", homepage)
1960	loggedin.HandleFunc("/hfcs", hfcspage)
1961	loggedin.HandleFunc("/xzone", xzone)
1962	loggedin.HandleFunc("/newhonk", newhonkpage)
1963	loggedin.HandleFunc("/edit", edithonkpage)
1964	loggedin.Handle("/honk", login.CSRFWrap("honkhonk", http.HandlerFunc(submithonk)))
1965	loggedin.Handle("/bonk", login.CSRFWrap("honkhonk", http.HandlerFunc(submitbonk)))
1966	loggedin.Handle("/zonkit", login.CSRFWrap("honkhonk", http.HandlerFunc(zonkit)))
1967	loggedin.Handle("/savehfcs", login.CSRFWrap("filter", http.HandlerFunc(savehfcs)))
1968	loggedin.Handle("/saveuser", login.CSRFWrap("saveuser", http.HandlerFunc(saveuser)))
1969	loggedin.Handle("/ximport", login.CSRFWrap("ximport", http.HandlerFunc(ximport)))
1970	loggedin.HandleFunc("/honkers", showhonkers)
1971	loggedin.HandleFunc("/h/{name:[[:alnum:]_.-]+}", showhonker)
1972	loggedin.HandleFunc("/h", showhonker)
1973	loggedin.HandleFunc("/c/{name:[[:alnum:]_.-]+}", showcombo)
1974	loggedin.HandleFunc("/c", showcombos)
1975	loggedin.HandleFunc("/t", showconvoy)
1976	loggedin.HandleFunc("/q", showsearch)
1977	loggedin.HandleFunc("/hydra", webhydra)
1978	loggedin.Handle("/submithonker", login.CSRFWrap("submithonker", http.HandlerFunc(submithonker)))
1979
1980	err = http.Serve(listener, mux)
1981	if err != nil {
1982		log.Fatal(err)
1983	}
1984}