all repos — honk @ d9130fb386c0db5862b0210e6dd97c59edb10fe5

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	"os/signal"
  30	"regexp"
  31	"sort"
  32	"strconv"
  33	"strings"
  34	"syscall"
  35	"time"
  36
  37	"github.com/gorilla/mux"
  38	"humungus.tedunangst.com/r/webs/cache"
  39	"humungus.tedunangst.com/r/webs/httpsig"
  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
  51var debugMode = false
  52
  53func getuserstyle(u *login.UserInfo) template.CSS {
  54	if u == nil {
  55		return ""
  56	}
  57	user, _ := butwhatabout(u.Username)
  58	css := template.CSS("")
  59	if user.Options.SkinnyCSS {
  60		css += "main { max-width: 700px; }\n"
  61	}
  62	if user.Options.OmitImages {
  63		css += ".honk .noise img { display: none; }\n"
  64	}
  65	return css
  66}
  67
  68func getmaplink(u *login.UserInfo) string {
  69	if u == nil {
  70		return "osm"
  71	}
  72	user, _ := butwhatabout(u.Username)
  73	ml := user.Options.MapLink
  74	if ml == "" {
  75		ml = "osm"
  76	}
  77	return ml
  78}
  79
  80func getInfo(r *http.Request) map[string]interface{} {
  81	u := login.GetUserInfo(r)
  82	templinfo := make(map[string]interface{})
  83	templinfo["StyleParam"] = getassetparam(viewDir + "/views/style.css")
  84	templinfo["LocalStyleParam"] = getassetparam(viewDir + "/views/local.css")
  85	templinfo["JSParam"] = getassetparam(viewDir + "/views/honkpage.js")
  86	templinfo["UserStyle"] = getuserstyle(u)
  87	templinfo["ServerName"] = serverName
  88	templinfo["IconName"] = iconName
  89	templinfo["UserInfo"] = u
  90	templinfo["UserSep"] = userSep
  91	if u != nil {
  92		var combos []string
  93		combocache.Get(u.UserID, &combos)
  94		templinfo["Combos"] = combos
  95	}
  96	return templinfo
  97}
  98
  99func homepage(w http.ResponseWriter, r *http.Request) {
 100	templinfo := getInfo(r)
 101	u := login.GetUserInfo(r)
 102	var honks []*Honk
 103	var userid int64 = -1
 104
 105	templinfo["ServerMessage"] = serverMsg
 106	if u == nil || r.URL.Path == "/front" {
 107		switch r.URL.Path {
 108		case "/events":
 109			honks = geteventhonks(userid)
 110			templinfo["ServerMessage"] = "some recent and upcoming events"
 111		default:
 112			templinfo["ShowRSS"] = true
 113			honks = getpublichonks()
 114		}
 115	} else {
 116		userid = u.UserID
 117		switch r.URL.Path {
 118		case "/atme":
 119			templinfo["ServerMessage"] = "at me!"
 120			templinfo["PageName"] = "atme"
 121			honks = gethonksforme(userid, 0)
 122			honks = osmosis(honks, userid, false)
 123		case "/events":
 124			templinfo["ServerMessage"] = "some recent and upcoming events"
 125			templinfo["PageName"] = "events"
 126			honks = geteventhonks(userid)
 127			honks = osmosis(honks, userid, true)
 128		case "/first":
 129			templinfo["PageName"] = "first"
 130			honks = gethonksforuserfirstclass(userid, 0)
 131			honks = osmosis(honks, userid, true)
 132		case "/saved":
 133			templinfo["ServerMessage"] = "saved honks"
 134			templinfo["PageName"] = "saved"
 135			honks = getsavedhonks(userid, 0)
 136		default:
 137			templinfo["PageName"] = "home"
 138			honks = gethonksforuser(userid, 0)
 139			honks = osmosis(honks, userid, true)
 140		}
 141		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 142	}
 143
 144	honkpage(w, u, honks, templinfo)
 145}
 146
 147func showfunzone(w http.ResponseWriter, r *http.Request) {
 148	var emunames, memenames []string
 149	dir, err := os.Open(dataDir + "/emus")
 150	if err == nil {
 151		emunames, _ = dir.Readdirnames(0)
 152		dir.Close()
 153	}
 154	for i, e := range emunames {
 155		if len(e) > 4 {
 156			emunames[i] = e[:len(e)-4]
 157		}
 158	}
 159	dir, err = os.Open(dataDir + "/memes")
 160	if err == nil {
 161		memenames, _ = dir.Readdirnames(0)
 162		dir.Close()
 163	}
 164	templinfo := getInfo(r)
 165	templinfo["Emus"] = emunames
 166	templinfo["Memes"] = memenames
 167	err = readviews.Execute(w, "funzone.html", templinfo)
 168	if err != nil {
 169		log.Print(err)
 170	}
 171}
 172
 173func showrss(w http.ResponseWriter, r *http.Request) {
 174	name := mux.Vars(r)["name"]
 175
 176	var honks []*Honk
 177	if name != "" {
 178		honks = gethonksbyuser(name, false, 0)
 179	} else {
 180		honks = getpublichonks()
 181	}
 182	reverbolate(-1, honks)
 183
 184	home := fmt.Sprintf("https://%s/", serverName)
 185	base := home
 186	if name != "" {
 187		home += "u/" + name
 188		name += " "
 189	}
 190	feed := rss.Feed{
 191		Title:       name + "honk",
 192		Link:        home,
 193		Description: name + "honk rss",
 194		Image: &rss.Image{
 195			URL:   base + "icon.png",
 196			Title: name + "honk rss",
 197			Link:  home,
 198		},
 199	}
 200	var modtime time.Time
 201	for _, honk := range honks {
 202		if !firstclass(honk) {
 203			continue
 204		}
 205		desc := string(honk.HTML)
 206		if t := honk.Time; t != nil {
 207			desc += fmt.Sprintf(`<p>Time: %s`, t.StartTime.Local().Format("03:04PM EDT Mon Jan 02"))
 208			if t.Duration != 0 {
 209				desc += fmt.Sprintf(`<br>Duration: %s`, t.Duration)
 210			}
 211		}
 212		if p := honk.Place; p != nil {
 213			desc += string(templates.Sprintf(`<p>Location: <a href="%s">%s</a> %f %f`,
 214				p.Url, p.Name, p.Latitude, p.Longitude))
 215		}
 216		for _, d := range honk.Donks {
 217			desc += string(templates.Sprintf(`<p><a href="%s">Attachment: %s</a>`,
 218				d.URL, d.Name))
 219		}
 220
 221		feed.Items = append(feed.Items, &rss.Item{
 222			Title:       fmt.Sprintf("%s %s %s", honk.Username, honk.What, honk.XID),
 223			Description: rss.CData{Data: desc},
 224			Link:        honk.URL,
 225			PubDate:     honk.Date.Format(time.RFC1123),
 226			Guid:        &rss.Guid{IsPermaLink: true, Value: honk.URL},
 227		})
 228		if honk.Date.After(modtime) {
 229			modtime = honk.Date
 230		}
 231	}
 232	if !debugMode {
 233		w.Header().Set("Cache-Control", "max-age=300")
 234		w.Header().Set("Last-Modified", modtime.Format(http.TimeFormat))
 235	}
 236
 237	err := feed.Write(w)
 238	if err != nil {
 239		log.Printf("error writing rss: %s", err)
 240	}
 241}
 242
 243func crappola(j junk.Junk) bool {
 244	t, _ := j.GetString("type")
 245	a, _ := j.GetString("actor")
 246	o, _ := j.GetString("object")
 247	if t == "Delete" && a == o {
 248		log.Printf("crappola from %s", a)
 249		return true
 250	}
 251	return false
 252}
 253
 254func ping(user *WhatAbout, who string) {
 255	var box *Box
 256	ok := boxofboxes.Get(who, &box)
 257	if !ok {
 258		log.Printf("no inbox to ping %s", who)
 259		return
 260	}
 261	j := junk.New()
 262	j["@context"] = itiswhatitis
 263	j["type"] = "Ping"
 264	j["id"] = user.URL + "/ping/" + xfiltrate()
 265	j["actor"] = user.URL
 266	j["to"] = who
 267	ki := ziggy(user.ID)
 268	if ki == nil {
 269		return
 270	}
 271	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 272	if err != nil {
 273		log.Printf("can't send ping: %s", err)
 274		return
 275	}
 276	log.Printf("sent ping to %s: %s", who, j["id"])
 277}
 278
 279func pong(user *WhatAbout, who string, obj string) {
 280	var box *Box
 281	ok := boxofboxes.Get(who, &box)
 282	if !ok {
 283		log.Printf("no inbox to pong %s", who)
 284		return
 285	}
 286	j := junk.New()
 287	j["@context"] = itiswhatitis
 288	j["type"] = "Pong"
 289	j["id"] = user.URL + "/pong/" + xfiltrate()
 290	j["actor"] = user.URL
 291	j["to"] = who
 292	j["object"] = obj
 293	ki := ziggy(user.ID)
 294	if ki == nil {
 295		return
 296	}
 297	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 298	if err != nil {
 299		log.Printf("can't send pong: %s", err)
 300		return
 301	}
 302}
 303
 304func inbox(w http.ResponseWriter, r *http.Request) {
 305	name := mux.Vars(r)["name"]
 306	user, err := butwhatabout(name)
 307	if err != nil {
 308		http.NotFound(w, r)
 309		return
 310	}
 311	if stealthmode(user.ID, r) {
 312		http.NotFound(w, r)
 313		return
 314	}
 315	var buf bytes.Buffer
 316	limiter := io.LimitReader(r.Body, 1*1024*1024)
 317	io.Copy(&buf, limiter)
 318	payload := buf.Bytes()
 319	j, err := junk.FromBytes(payload)
 320	if err != nil {
 321		log.Printf("bad payload: %s", err)
 322		io.WriteString(os.Stdout, "bad payload\n")
 323		os.Stdout.Write(payload)
 324		io.WriteString(os.Stdout, "\n")
 325		return
 326	}
 327
 328	if crappola(j) {
 329		return
 330	}
 331	what, _ := j.GetString("type")
 332	if what == "Like" {
 333		return
 334	}
 335	who, _ := j.GetString("actor")
 336	if rejectactor(user.ID, who) {
 337		return
 338	}
 339
 340	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 341	if err != nil && keyname != "" {
 342		savingthrow(keyname)
 343		keyname, err = httpsig.VerifyRequest(r, payload, zaggy)
 344	}
 345	if err != nil {
 346		log.Printf("inbox message failed signature for %s from %s", keyname, r.Header.Get("X-Forwarded-For"))
 347		if keyname != "" {
 348			log.Printf("bad signature from %s", keyname)
 349			io.WriteString(os.Stdout, "bad payload\n")
 350			os.Stdout.Write(payload)
 351			io.WriteString(os.Stdout, "\n")
 352		}
 353		http.Error(w, "what did you call me?", http.StatusTeapot)
 354		return
 355	}
 356	origin := keymatch(keyname, who)
 357	if origin == "" {
 358		log.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 359		return
 360	}
 361
 362	switch what {
 363	case "Ping":
 364		obj, _ := j.GetString("id")
 365		log.Printf("ping from %s: %s", who, obj)
 366		pong(user, who, obj)
 367	case "Pong":
 368		obj, _ := j.GetString("object")
 369		log.Printf("pong from %s: %s", who, obj)
 370	case "Follow":
 371		obj, _ := j.GetString("object")
 372		if obj != user.URL {
 373			log.Printf("can't follow %s", obj)
 374			return
 375		}
 376		log.Printf("updating honker follow: %s", who)
 377
 378		var x string
 379		db := opendatabase()
 380		row := db.QueryRow("select xid from honkers where xid = ? and userid = ? and flavor in ('dub', 'undub')", who, user.ID)
 381		err = row.Scan(&x)
 382		if err != sql.ErrNoRows {
 383			log.Printf("duplicate follow request: %s", who)
 384			_, err = stmtUpdateFlavor.Exec("dub", user.ID, who, who, "undub")
 385			if err != nil {
 386				log.Printf("error updating honker: %s", err)
 387			}
 388		} else {
 389			stmtSaveDub.Exec(user.ID, who, who, "dub")
 390		}
 391		go rubadubdub(user, j)
 392	case "Accept":
 393		log.Printf("updating honker accept: %s", who)
 394		var name string
 395		db := opendatabase()
 396		row := db.QueryRow("select name from honkers where userid = ? and xid = ? and flavor in ('presub')",
 397			user.ID, who)
 398		err := row.Scan(&name)
 399		if err != nil {
 400			log.Printf("can't get honker name: %s", err)
 401			return
 402		}
 403		_, err = stmtUpdateFlavor.Exec("sub", user.ID, who, name, "presub")
 404		if err != nil {
 405			log.Printf("error updating honker: %s", err)
 406			return
 407		}
 408	case "Update":
 409		obj, ok := j.GetMap("object")
 410		if ok {
 411			what, _ := obj.GetString("type")
 412			switch what {
 413			case "Person":
 414				return
 415			case "Question":
 416				return
 417			case "Note":
 418				go xonksaver(user, j, origin)
 419				return
 420			}
 421		}
 422		log.Printf("unknown Update activity")
 423		fd, _ := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
 424		j.Write(fd)
 425		io.WriteString(fd, "\n")
 426		fd.Close()
 427
 428	case "Undo":
 429		obj, ok := j.GetMap("object")
 430		if !ok {
 431			log.Printf("unknown undo no object")
 432			return
 433		}
 434		what, _ := obj.GetString("type")
 435		switch what {
 436		case "Follow":
 437			log.Printf("updating honker undo: %s", who)
 438			_, err = stmtUpdateFlavor.Exec("undub", user.ID, who, who, "dub")
 439			if err != nil {
 440				log.Printf("error updating honker: %s", err)
 441				return
 442			}
 443		case "Announce":
 444			xid, _ := obj.GetString("object")
 445			log.Printf("undo announce: %s", xid)
 446		case "Like":
 447		default:
 448			log.Printf("unknown undo: %s", what)
 449		}
 450	default:
 451		go xonksaver(user, j, origin)
 452	}
 453}
 454
 455func serverinbox(w http.ResponseWriter, r *http.Request) {
 456	if stealthmode(serverUID, r) {
 457		http.NotFound(w, r)
 458		return
 459	}
 460	var buf bytes.Buffer
 461	io.Copy(&buf, r.Body)
 462	payload := buf.Bytes()
 463	j, err := junk.FromBytes(payload)
 464	if err != nil {
 465		log.Printf("bad payload: %s", err)
 466		io.WriteString(os.Stdout, "bad payload\n")
 467		os.Stdout.Write(payload)
 468		io.WriteString(os.Stdout, "\n")
 469		return
 470	}
 471	if crappola(j) {
 472		return
 473	}
 474	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 475	if err != nil && keyname != "" {
 476		savingthrow(keyname)
 477		keyname, err = httpsig.VerifyRequest(r, payload, zaggy)
 478	}
 479	if err != nil {
 480		log.Printf("inbox message failed signature for %s from %s", keyname, r.Header.Get("X-Forwarded-For"))
 481		if keyname != "" {
 482			log.Printf("bad signature from %s", keyname)
 483			io.WriteString(os.Stdout, "bad payload\n")
 484			os.Stdout.Write(payload)
 485			io.WriteString(os.Stdout, "\n")
 486		}
 487		http.Error(w, "what did you call me?", http.StatusTeapot)
 488		return
 489	}
 490	user := getserveruser()
 491	who, _ := j.GetString("actor")
 492	origin := keymatch(keyname, who)
 493	if origin == "" {
 494		log.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 495		return
 496	}
 497	if rejectactor(user.ID, who) {
 498		return
 499	}
 500	re_ont := regexp.MustCompile("https://" + serverName + "/o/([[:alnum:]]+)")
 501	what, _ := j.GetString("type")
 502	log.Printf("server got a %s", what)
 503	switch what {
 504	case "Follow":
 505		obj, _ := j.GetString("object")
 506		if obj == user.URL {
 507			log.Printf("can't follow the server!")
 508			return
 509		}
 510		m := re_ont.FindStringSubmatch(obj)
 511		if len(m) != 2 {
 512			log.Printf("not sure how to handle this")
 513			return
 514		}
 515		ont := "#" + m[1]
 516		log.Printf("%s wants to follow %s", who, ont)
 517		var x string
 518		db := opendatabase()
 519		row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", ont, who, user.ID)
 520		err = row.Scan(&x)
 521		if err != sql.ErrNoRows {
 522			log.Printf("duplicate follow request: %s", who)
 523			_, err = stmtUpdateFlavor.Exec("dub", user.ID, who, ont, "undub")
 524			if err != nil {
 525				log.Printf("error updating honker: %s", err)
 526			}
 527		} else {
 528			stmtSaveDub.Exec(user.ID, ont, who, "dub")
 529		}
 530		go rubadubdub(user, j)
 531	case "Undo":
 532		obj, ok := j.GetMap("object")
 533		if !ok {
 534			log.Printf("unknown undo no object")
 535			return
 536		}
 537		what, _ := obj.GetString("type")
 538		if what != "Follow" {
 539			log.Printf("unknown undo: %s", what)
 540		}
 541		targ, _ := obj.GetString("object")
 542		m := re_ont.FindStringSubmatch(targ)
 543		if len(m) != 2 {
 544			log.Printf("not sure how to handle this")
 545			return
 546		}
 547		ont := "#" + m[1]
 548		log.Printf("updating honker undo: %s %s", who, ont)
 549		_, err = stmtUpdateFlavor.Exec("undub", user.ID, who, ont, "dub")
 550		if err != nil {
 551			log.Printf("error updating honker: %s", err)
 552			return
 553		}
 554	}
 555}
 556
 557func serveractor(w http.ResponseWriter, r *http.Request) {
 558	if stealthmode(serverUID, r) {
 559		http.NotFound(w, r)
 560		return
 561	}
 562	user := getserveruser()
 563	j := junkuser(user)
 564	w.Write(j)
 565}
 566
 567func ximport(w http.ResponseWriter, r *http.Request) {
 568	u := login.GetUserInfo(r)
 569	xid := strings.TrimSpace(r.FormValue("xid"))
 570	xonk := getxonk(u.UserID, xid)
 571	if xonk == nil {
 572		p, _ := investigate(xid)
 573		if p != nil {
 574			xid = p.XID
 575		}
 576		j, err := GetJunk(xid)
 577		if err != nil {
 578			http.Error(w, "error getting external object", http.StatusInternalServerError)
 579			log.Printf("error getting external object: %s", err)
 580			return
 581		}
 582		allinjest(originate(xid), j)
 583		log.Printf("importing %s", xid)
 584		user, _ := butwhatabout(u.Username)
 585
 586		info, _ := somethingabout(j)
 587		if info == nil {
 588			xonk = xonksaver(user, j, originate(xid))
 589		} else if info.What == SomeActor {
 590			outbox, _ := j.GetString("outbox")
 591			gimmexonks(user, outbox)
 592			http.Redirect(w, r, "/h?xid="+url.QueryEscape(xid), http.StatusSeeOther)
 593			return
 594		} else if info.What == SomeCollection {
 595			gimmexonks(user, xid)
 596			http.Redirect(w, r, "/xzone", http.StatusSeeOther)
 597			return
 598		}
 599	}
 600	convoy := ""
 601	if xonk != nil {
 602		convoy = xonk.Convoy
 603	}
 604	http.Redirect(w, r, "/t?c="+url.QueryEscape(convoy), http.StatusSeeOther)
 605}
 606
 607func xzone(w http.ResponseWriter, r *http.Request) {
 608	u := login.GetUserInfo(r)
 609	rows, err := stmtRecentHonkers.Query(u.UserID, u.UserID)
 610	if err != nil {
 611		log.Printf("query err: %s", err)
 612		return
 613	}
 614	defer rows.Close()
 615	var honkers []Honker
 616	for rows.Next() {
 617		var xid string
 618		rows.Scan(&xid)
 619		honkers = append(honkers, Honker{XID: xid})
 620	}
 621	rows.Close()
 622	for i, _ := range honkers {
 623		_, honkers[i].Handle = handles(honkers[i].XID)
 624	}
 625	templinfo := getInfo(r)
 626	templinfo["XCSRF"] = login.GetCSRF("ximport", r)
 627	templinfo["Honkers"] = honkers
 628	err = readviews.Execute(w, "xzone.html", templinfo)
 629	if err != nil {
 630		log.Print(err)
 631	}
 632}
 633
 634var oldoutbox = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
 635	user, err := butwhatabout(name)
 636	if err != nil {
 637		return nil, false
 638	}
 639	honks := gethonksbyuser(name, false, 0)
 640	if len(honks) > 20 {
 641		honks = honks[0:20]
 642	}
 643
 644	var jonks []junk.Junk
 645	for _, h := range honks {
 646		j, _ := jonkjonk(user, h)
 647		jonks = append(jonks, j)
 648	}
 649
 650	j := junk.New()
 651	j["@context"] = itiswhatitis
 652	j["id"] = user.URL + "/outbox"
 653	j["attributedTo"] = user.URL
 654	j["type"] = "OrderedCollection"
 655	j["totalItems"] = len(jonks)
 656	j["orderedItems"] = jonks
 657
 658	return j.ToBytes(), true
 659}, Duration: 1 * time.Minute})
 660
 661func outbox(w http.ResponseWriter, r *http.Request) {
 662	name := mux.Vars(r)["name"]
 663	user, err := butwhatabout(name)
 664	if err != nil {
 665		http.NotFound(w, r)
 666		return
 667	}
 668	if stealthmode(user.ID, r) {
 669		http.NotFound(w, r)
 670		return
 671	}
 672	var j []byte
 673	ok := oldoutbox.Get(name, &j)
 674	if ok {
 675		w.Header().Set("Content-Type", theonetruename)
 676		w.Write(j)
 677	} else {
 678		http.NotFound(w, r)
 679	}
 680}
 681
 682var oldempties = cache.New(cache.Options{Filler: func(url string) ([]byte, bool) {
 683	colname := "/followers"
 684	if strings.HasSuffix(url, "/following") {
 685		colname = "/following"
 686	}
 687	user := fmt.Sprintf("https://%s%s", serverName, url[:len(url)-10])
 688	j := junk.New()
 689	j["@context"] = itiswhatitis
 690	j["id"] = user + colname
 691	j["attributedTo"] = user
 692	j["type"] = "OrderedCollection"
 693	j["totalItems"] = 0
 694	j["orderedItems"] = []junk.Junk{}
 695
 696	return j.ToBytes(), true
 697}})
 698
 699func emptiness(w http.ResponseWriter, r *http.Request) {
 700	name := mux.Vars(r)["name"]
 701	user, err := butwhatabout(name)
 702	if err != nil {
 703		http.NotFound(w, r)
 704		return
 705	}
 706	if stealthmode(user.ID, r) {
 707		http.NotFound(w, r)
 708		return
 709	}
 710	var j []byte
 711	ok := oldempties.Get(r.URL.Path, &j)
 712	if ok {
 713		w.Header().Set("Content-Type", theonetruename)
 714		w.Write(j)
 715	} else {
 716		http.NotFound(w, r)
 717	}
 718}
 719
 720func showuser(w http.ResponseWriter, r *http.Request) {
 721	name := mux.Vars(r)["name"]
 722	user, err := butwhatabout(name)
 723	if err != nil {
 724		log.Printf("user not found %s: %s", name, err)
 725		http.NotFound(w, r)
 726		return
 727	}
 728	if stealthmode(user.ID, r) {
 729		http.NotFound(w, r)
 730		return
 731	}
 732	if friendorfoe(r.Header.Get("Accept")) {
 733		j, ok := asjonker(name)
 734		if ok {
 735			w.Header().Set("Content-Type", theonetruename)
 736			w.Write(j)
 737		} else {
 738			http.NotFound(w, r)
 739		}
 740		return
 741	}
 742	u := login.GetUserInfo(r)
 743	honks := gethonksbyuser(name, u != nil && u.Username == name, 0)
 744	templinfo := getInfo(r)
 745	templinfo["Name"] = user.Name
 746	whatabout := user.About
 747	whatabout = markitzero(user.About)
 748	templinfo["WhatAbout"] = template.HTML(whatabout)
 749	templinfo["ServerMessage"] = ""
 750	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 751	honkpage(w, u, honks, templinfo)
 752}
 753
 754func showhonker(w http.ResponseWriter, r *http.Request) {
 755	u := login.GetUserInfo(r)
 756	name := mux.Vars(r)["name"]
 757	var honks []*Honk
 758	if name == "" {
 759		name = r.FormValue("xid")
 760		honks = gethonksbyxonker(u.UserID, name, 0)
 761	} else {
 762		honks = gethonksbyhonker(u.UserID, name, 0)
 763	}
 764	msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>`, name, name)
 765	templinfo := getInfo(r)
 766	templinfo["PageName"] = "honker"
 767	templinfo["PageArg"] = name
 768	templinfo["ServerMessage"] = msg
 769	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 770	honkpage(w, u, honks, templinfo)
 771}
 772
 773func showcombo(w http.ResponseWriter, r *http.Request) {
 774	name := mux.Vars(r)["name"]
 775	u := login.GetUserInfo(r)
 776	honks := gethonksbycombo(u.UserID, name, 0)
 777	honks = osmosis(honks, u.UserID, true)
 778	templinfo := getInfo(r)
 779	templinfo["PageName"] = "combo"
 780	templinfo["PageArg"] = name
 781	templinfo["ServerMessage"] = "honks by combo: " + name
 782	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 783	honkpage(w, u, honks, templinfo)
 784}
 785func showconvoy(w http.ResponseWriter, r *http.Request) {
 786	c := r.FormValue("c")
 787	u := login.GetUserInfo(r)
 788	honks := gethonksbyconvoy(u.UserID, c, 0)
 789	templinfo := getInfo(r)
 790	if len(honks) > 0 {
 791		templinfo["TopHID"] = honks[0].ID
 792	}
 793	honks = osmosis(honks, u.UserID, false)
 794	reversehonks(honks)
 795	templinfo["PageName"] = "convoy"
 796	templinfo["PageArg"] = c
 797	templinfo["ServerMessage"] = "honks in convoy: " + c
 798	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 799	honkpage(w, u, honks, templinfo)
 800}
 801func showsearch(w http.ResponseWriter, r *http.Request) {
 802	q := r.FormValue("q")
 803	u := login.GetUserInfo(r)
 804	honks := gethonksbysearch(u.UserID, q, 0)
 805	templinfo := getInfo(r)
 806	templinfo["PageName"] = "search"
 807	templinfo["PageArg"] = q
 808	templinfo["ServerMessage"] = "honks for search: " + q
 809	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 810	honkpage(w, u, honks, templinfo)
 811}
 812func showontology(w http.ResponseWriter, r *http.Request) {
 813	name := mux.Vars(r)["name"]
 814	u := login.GetUserInfo(r)
 815	var userid int64 = -1
 816	if u != nil {
 817		userid = u.UserID
 818	}
 819	honks := gethonksbyontology(userid, "#"+name, 0)
 820	if friendorfoe(r.Header.Get("Accept")) {
 821		if len(honks) > 40 {
 822			honks = honks[0:40]
 823		}
 824
 825		var xids []string
 826		for _, h := range honks {
 827			xids = append(xids, h.XID)
 828		}
 829
 830		user := getserveruser()
 831
 832		j := junk.New()
 833		j["@context"] = itiswhatitis
 834		j["id"] = fmt.Sprintf("https://%s/o/%s", serverName, name)
 835		j["name"] = "#" + name
 836		j["attributedTo"] = user.URL
 837		j["type"] = "OrderedCollection"
 838		j["totalItems"] = len(xids)
 839		j["orderedItems"] = xids
 840
 841		j.Write(w)
 842		return
 843	}
 844
 845	templinfo := getInfo(r)
 846	templinfo["ServerMessage"] = "honks by ontology: " + name
 847	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 848	honkpage(w, u, honks, templinfo)
 849}
 850
 851type Ont struct {
 852	Name  string
 853	Count int64
 854}
 855
 856func thelistingoftheontologies(w http.ResponseWriter, r *http.Request) {
 857	u := login.GetUserInfo(r)
 858	var userid int64 = -1
 859	if u != nil {
 860		userid = u.UserID
 861	}
 862	rows, err := stmtAllOnts.Query(userid)
 863	if err != nil {
 864		log.Printf("selection error: %s", err)
 865		return
 866	}
 867	defer rows.Close()
 868	var onts []Ont
 869	for rows.Next() {
 870		var o Ont
 871		err := rows.Scan(&o.Name, &o.Count)
 872		if err != nil {
 873			log.Printf("error scanning ont: %s", err)
 874			continue
 875		}
 876		if len(o.Name) > 24 {
 877			continue
 878		}
 879		o.Name = o.Name[1:]
 880		onts = append(onts, o)
 881	}
 882	sort.Slice(onts, func(i, j int) bool {
 883		return onts[i].Name < onts[j].Name
 884	})
 885	if u == nil && !debugMode {
 886		w.Header().Set("Cache-Control", "max-age=300")
 887	}
 888	templinfo := getInfo(r)
 889	templinfo["Onts"] = onts
 890	err = readviews.Execute(w, "onts.html", templinfo)
 891	if err != nil {
 892		log.Print(err)
 893	}
 894}
 895
 896type Track struct {
 897	xid string
 898	who string
 899}
 900
 901func getbacktracks(xid string) []string {
 902	c := make(chan bool)
 903	dumptracks <- c
 904	<-c
 905	row := stmtGetTracks.QueryRow(xid)
 906	var rawtracks string
 907	err := row.Scan(&rawtracks)
 908	if err != nil {
 909		if err != sql.ErrNoRows {
 910			log.Printf("error scanning tracks: %s", err)
 911		}
 912		return nil
 913	}
 914	var rcpts []string
 915	for _, f := range strings.Split(rawtracks, " ") {
 916		idx := strings.LastIndexByte(f, '#')
 917		if idx != -1 {
 918			f = f[:idx]
 919		}
 920		if !strings.HasPrefix(f, "https://") {
 921			f = fmt.Sprintf("%%https://%s/inbox", f)
 922		}
 923		rcpts = append(rcpts, f)
 924	}
 925	return rcpts
 926}
 927
 928func savetracks(tracks map[string][]string) {
 929	db := opendatabase()
 930	tx, err := db.Begin()
 931	if err != nil {
 932		log.Printf("savetracks begin error: %s", err)
 933		return
 934	}
 935	defer func() {
 936		err := tx.Commit()
 937		if err != nil {
 938			log.Printf("savetracks commit error: %s", err)
 939		}
 940
 941	}()
 942	stmtGetTracks, err := tx.Prepare("select fetches from tracks where xid = ?")
 943	if err != nil {
 944		log.Printf("savetracks error: %s", err)
 945		return
 946	}
 947	stmtNewTracks, err := tx.Prepare("insert into tracks (xid, fetches) values (?, ?)")
 948	if err != nil {
 949		log.Printf("savetracks error: %s", err)
 950		return
 951	}
 952	stmtUpdateTracks, err := tx.Prepare("update tracks set fetches = ? where xid = ?")
 953	if err != nil {
 954		log.Printf("savetracks error: %s", err)
 955		return
 956	}
 957	count := 0
 958	for xid, f := range tracks {
 959		count += len(f)
 960		var prev string
 961		row := stmtGetTracks.QueryRow(xid)
 962		err := row.Scan(&prev)
 963		if err == sql.ErrNoRows {
 964			f = oneofakind(f)
 965			stmtNewTracks.Exec(xid, strings.Join(f, " "))
 966		} else if err == nil {
 967			all := append(strings.Split(prev, " "), f...)
 968			all = oneofakind(all)
 969			stmtUpdateTracks.Exec(strings.Join(all, " "))
 970		} else {
 971			log.Printf("savetracks error: %s", err)
 972		}
 973	}
 974	log.Printf("saved %d new fetches", count)
 975}
 976
 977var trackchan = make(chan Track)
 978var dumptracks = make(chan chan bool)
 979
 980func tracker() {
 981	timeout := 4 * time.Minute
 982	sleeper := time.NewTimer(timeout)
 983	tracks := make(map[string][]string)
 984	for {
 985		select {
 986		case track := <-trackchan:
 987			tracks[track.xid] = append(tracks[track.xid], track.who)
 988		case <-sleeper.C:
 989			if len(tracks) > 0 {
 990				go savetracks(tracks)
 991				tracks = make(map[string][]string)
 992			}
 993			sleeper.Reset(timeout)
 994		case c := <-dumptracks:
 995			if len(tracks) > 0 {
 996				savetracks(tracks)
 997			}
 998			c <- true
 999		case <-endoftheworld:
1000			if len(tracks) > 0 {
1001				savetracks(tracks)
1002			}
1003			readyalready <- true
1004			return
1005		}
1006	}
1007}
1008
1009var re_keyholder = regexp.MustCompile(`keyId="([^"]+)"`)
1010
1011func trackback(xid string, r *http.Request) {
1012	agent := r.UserAgent()
1013	who := originate(agent)
1014	sig := r.Header.Get("Signature")
1015	if sig != "" {
1016		m := re_keyholder.FindStringSubmatch(sig)
1017		if len(m) == 2 {
1018			who = m[1]
1019		}
1020	}
1021	if who != "" {
1022		trackchan <- Track{xid: xid, who: who}
1023	}
1024}
1025
1026func showonehonk(w http.ResponseWriter, r *http.Request) {
1027	name := mux.Vars(r)["name"]
1028	user, err := butwhatabout(name)
1029	if err != nil {
1030		http.NotFound(w, r)
1031		return
1032	}
1033	if stealthmode(user.ID, r) {
1034		http.NotFound(w, r)
1035		return
1036	}
1037	xid := fmt.Sprintf("https://%s%s", serverName, r.URL.Path)
1038
1039	if friendorfoe(r.Header.Get("Accept")) {
1040		j, ok := gimmejonk(xid)
1041		if ok {
1042			trackback(xid, r)
1043			w.Header().Set("Content-Type", theonetruename)
1044			w.Write(j)
1045		} else {
1046			http.NotFound(w, r)
1047		}
1048		return
1049	}
1050	honk := getxonk(user.ID, xid)
1051	if honk == nil {
1052		http.NotFound(w, r)
1053		return
1054	}
1055	u := login.GetUserInfo(r)
1056	if u != nil && u.UserID != user.ID {
1057		u = nil
1058	}
1059	if !honk.Public {
1060		if u == nil {
1061			http.NotFound(w, r)
1062			return
1063
1064		}
1065		templinfo := getInfo(r)
1066		templinfo["ServerMessage"] = "one honk maybe more"
1067		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1068		honkpage(w, u, []*Honk{honk}, templinfo)
1069		return
1070	}
1071	rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1072	reversehonks(rawhonks)
1073	var honks []*Honk
1074	for _, h := range rawhonks {
1075		if h.XID == xid && len(honks) != 0 {
1076			h.Style += " glow"
1077		}
1078		if h.Public && (h.Whofore == 2 || h.IsAcked()) {
1079			honks = append(honks, h)
1080		}
1081	}
1082
1083	templinfo := getInfo(r)
1084	templinfo["ServerMessage"] = "one honk maybe more"
1085	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1086	honkpage(w, u, honks, templinfo)
1087}
1088
1089func honkpage(w http.ResponseWriter, u *login.UserInfo, honks []*Honk, templinfo map[string]interface{}) {
1090	var userid int64 = -1
1091	if u != nil {
1092		userid = u.UserID
1093	}
1094	reverbolate(userid, honks)
1095	templinfo["Honks"] = honks
1096	templinfo["MapLink"] = getmaplink(u)
1097	if templinfo["TopHID"] == nil {
1098		if len(honks) > 0 {
1099			templinfo["TopHID"] = honks[0].ID
1100		} else {
1101			templinfo["TopHID"] = 0
1102		}
1103	}
1104	if u == nil && !debugMode {
1105		w.Header().Set("Cache-Control", "max-age=60")
1106	}
1107	err := readviews.Execute(w, "honkpage.html", templinfo)
1108	if err != nil {
1109		log.Print(err)
1110	}
1111}
1112
1113func saveuser(w http.ResponseWriter, r *http.Request) {
1114	whatabout := r.FormValue("whatabout")
1115	whatabout = strings.Replace(whatabout, "\r", "", -1)
1116	u := login.GetUserInfo(r)
1117	user, _ := butwhatabout(u.Username)
1118	db := opendatabase()
1119	options := user.Options
1120	if r.FormValue("skinny") == "skinny" {
1121		options.SkinnyCSS = true
1122	} else {
1123		options.SkinnyCSS = false
1124	}
1125	if r.FormValue("omitimages") == "omitimages" {
1126		options.OmitImages = true
1127	} else {
1128		options.OmitImages = false
1129	}
1130	if r.FormValue("maps") == "apple" {
1131		options.MapLink = "apple"
1132	} else {
1133		options.MapLink = ""
1134	}
1135	if ava := re_avatar.FindString(whatabout); ava != "" {
1136		whatabout = re_avatar.ReplaceAllString(whatabout, "")
1137		ava = ava[7:]
1138		if ava[0] == ' ' {
1139			ava = ava[1:]
1140		}
1141		options.Avatar = fmt.Sprintf("https://%s/meme/%s", serverName, ava)
1142	} else {
1143		options.Avatar = ""
1144	}
1145	whatabout = strings.TrimSpace(whatabout)
1146	j, err := jsonify(options)
1147	if err == nil {
1148		_, err = db.Exec("update users set about = ?, options = ? where username = ?", whatabout, j, u.Username)
1149	}
1150	if err != nil {
1151		log.Printf("error bouting what: %s", err)
1152	}
1153	somenamedusers.Clear(u.Username)
1154	somenumberedusers.Clear(u.UserID)
1155
1156	http.Redirect(w, r, "/account", http.StatusSeeOther)
1157}
1158
1159func submitbonk(w http.ResponseWriter, r *http.Request) {
1160	xid := r.FormValue("xid")
1161	userinfo := login.GetUserInfo(r)
1162	user, _ := butwhatabout(userinfo.Username)
1163
1164	log.Printf("bonking %s", xid)
1165
1166	xonk := getxonk(userinfo.UserID, xid)
1167	if xonk == nil {
1168		return
1169	}
1170	if !xonk.Public {
1171		return
1172	}
1173	if xonk.IsBonked() {
1174		return
1175	}
1176	donksforhonks([]*Honk{xonk})
1177
1178	_, err := stmtUpdateFlags.Exec(flagIsBonked, xonk.ID)
1179	if err != nil {
1180		log.Printf("error acking bonk: %s", err)
1181	}
1182
1183	oonker := xonk.Oonker
1184	if oonker == "" {
1185		oonker = xonk.Honker
1186	}
1187	dt := time.Now().UTC()
1188	bonk := &Honk{
1189		UserID:   userinfo.UserID,
1190		Username: userinfo.Username,
1191		What:     "bonk",
1192		Honker:   user.URL,
1193		Oonker:   oonker,
1194		XID:      xonk.XID,
1195		RID:      xonk.RID,
1196		Noise:    xonk.Noise,
1197		Precis:   xonk.Precis,
1198		URL:      xonk.URL,
1199		Date:     dt,
1200		Donks:    xonk.Donks,
1201		Whofore:  2,
1202		Convoy:   xonk.Convoy,
1203		Audience: []string{thewholeworld, oonker},
1204		Public:   true,
1205		Format:   "html",
1206		Place:    xonk.Place,
1207		Onts:     xonk.Onts,
1208		Time:     xonk.Time,
1209	}
1210
1211	err = savehonk(bonk)
1212	if err != nil {
1213		log.Printf("uh oh")
1214		return
1215	}
1216
1217	go honkworldwide(user, bonk)
1218
1219	if r.FormValue("js") != "1" {
1220		templinfo := getInfo(r)
1221		templinfo["ServerMessage"] = "Bonked!"
1222		err = readviews.Execute(w, "msg.html", templinfo)
1223		if err != nil {
1224			log.Print(err)
1225		}
1226	}
1227}
1228
1229func sendzonkofsorts(xonk *Honk, user *WhatAbout, what string) {
1230	zonk := &Honk{
1231		What:     what,
1232		XID:      xonk.XID,
1233		Date:     time.Now().UTC(),
1234		Audience: oneofakind(xonk.Audience),
1235	}
1236	zonk.Public = loudandproud(zonk.Audience)
1237
1238	log.Printf("announcing %sed honk: %s", what, xonk.XID)
1239	go honkworldwide(user, zonk)
1240}
1241
1242func zonkit(w http.ResponseWriter, r *http.Request) {
1243	wherefore := r.FormValue("wherefore")
1244	what := r.FormValue("what")
1245	userinfo := login.GetUserInfo(r)
1246	user, _ := butwhatabout(userinfo.Username)
1247
1248	if wherefore == "save" {
1249		xonk := getxonk(userinfo.UserID, what)
1250		if xonk != nil {
1251			_, err := stmtUpdateFlags.Exec(flagIsSaved, xonk.ID)
1252			if err != nil {
1253				log.Printf("error saving: %s", err)
1254			}
1255		}
1256		return
1257	}
1258
1259	if wherefore == "unsave" {
1260		xonk := getxonk(userinfo.UserID, what)
1261		if xonk != nil {
1262			_, err := stmtClearFlags.Exec(flagIsSaved, xonk.ID)
1263			if err != nil {
1264				log.Printf("error unsaving: %s", err)
1265			}
1266		}
1267		return
1268	}
1269
1270	// my hammer is too big, oh well
1271	defer oldjonks.Flush()
1272
1273	if wherefore == "ack" {
1274		xonk := getxonk(userinfo.UserID, what)
1275		if xonk != nil && !xonk.IsAcked() {
1276			_, err := stmtUpdateFlags.Exec(flagIsAcked, xonk.ID)
1277			if err != nil {
1278				log.Printf("error acking: %s", err)
1279			}
1280			sendzonkofsorts(xonk, user, "ack")
1281		}
1282		return
1283	}
1284
1285	if wherefore == "deack" {
1286		xonk := getxonk(userinfo.UserID, what)
1287		if xonk != nil && xonk.IsAcked() {
1288			_, err := stmtClearFlags.Exec(flagIsAcked, xonk.ID)
1289			if err != nil {
1290				log.Printf("error deacking: %s", err)
1291			}
1292			sendzonkofsorts(xonk, user, "deack")
1293		}
1294		return
1295	}
1296
1297	if wherefore == "unbonk" {
1298		xonk := getbonk(userinfo.UserID, what)
1299		if xonk != nil {
1300			deletehonk(xonk.ID)
1301			xonk = getxonk(userinfo.UserID, what)
1302			_, err := stmtClearFlags.Exec(flagIsBonked, xonk.ID)
1303			if err != nil {
1304				log.Printf("error unbonking: %s", err)
1305			}
1306			sendzonkofsorts(xonk, user, "unbonk")
1307		}
1308		return
1309	}
1310
1311	if wherefore == "untag" {
1312		xonk := getxonk(userinfo.UserID, what)
1313		if xonk != nil {
1314			_, err := stmtUpdateFlags.Exec(flagIsUntagged, xonk.ID)
1315			if err != nil {
1316				log.Printf("error untagging: %s", err)
1317			}
1318		}
1319		var badparents map[string]bool
1320		untagged.GetAndLock(userinfo.UserID, &badparents)
1321		badparents[what] = true
1322		untagged.Unlock()
1323		return
1324	}
1325
1326	log.Printf("zonking %s %s", wherefore, what)
1327	if wherefore == "zonk" {
1328		xonk := getxonk(userinfo.UserID, what)
1329		if xonk != nil {
1330			deletehonk(xonk.ID)
1331			if xonk.Whofore == 2 || xonk.Whofore == 3 {
1332				sendzonkofsorts(xonk, user, "zonk")
1333			}
1334		}
1335	}
1336	_, err := stmtSaveZonker.Exec(userinfo.UserID, what, wherefore)
1337	if err != nil {
1338		log.Printf("error saving zonker: %s", err)
1339		return
1340	}
1341}
1342
1343func edithonkpage(w http.ResponseWriter, r *http.Request) {
1344	u := login.GetUserInfo(r)
1345	user, _ := butwhatabout(u.Username)
1346	xid := r.FormValue("xid")
1347	honk := getxonk(u.UserID, xid)
1348	if !canedithonk(user, honk) {
1349		http.Error(w, "no editing that please", http.StatusInternalServerError)
1350		return
1351	}
1352
1353	noise := honk.Noise
1354
1355	honks := []*Honk{honk}
1356	donksforhonks(honks)
1357	reverbolate(u.UserID, honks)
1358	templinfo := getInfo(r)
1359	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1360	templinfo["Honks"] = honks
1361	templinfo["MapLink"] = getmaplink(u)
1362	templinfo["Noise"] = noise
1363	templinfo["SavedPlace"] = honk.Place
1364	if tm := honk.Time; tm != nil {
1365		templinfo["ShowTime"] = ";"
1366		templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 03:04")
1367		templinfo["Duration"] = tm.Duration
1368	}
1369	templinfo["ServerMessage"] = "honk edit 2"
1370	templinfo["IsPreview"] = true
1371	templinfo["UpdateXID"] = honk.XID
1372	if len(honk.Donks) > 0 {
1373		templinfo["SavedFile"] = honk.Donks[0].XID
1374	}
1375	err := readviews.Execute(w, "honkpage.html", templinfo)
1376	if err != nil {
1377		log.Print(err)
1378	}
1379}
1380
1381func newhonkpage(w http.ResponseWriter, r *http.Request) {
1382	u := login.GetUserInfo(r)
1383	rid := r.FormValue("rid")
1384	noise := ""
1385
1386	xonk := getxonk(u.UserID, rid)
1387	if xonk != nil {
1388		_, replto := handles(xonk.Honker)
1389		if replto != "" {
1390			noise = "@" + replto + " "
1391		}
1392	}
1393
1394	templinfo := getInfo(r)
1395	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1396	templinfo["InReplyTo"] = rid
1397	templinfo["Noise"] = noise
1398	templinfo["ServerMessage"] = "compose honk"
1399	templinfo["IsPreview"] = true
1400	err := readviews.Execute(w, "honkpage.html", templinfo)
1401	if err != nil {
1402		log.Print(err)
1403	}
1404}
1405
1406func canedithonk(user *WhatAbout, honk *Honk) bool {
1407	if honk == nil || honk.Honker != user.URL || honk.What == "bonk" {
1408		return false
1409	}
1410	return true
1411}
1412
1413func submitwebhonk(w http.ResponseWriter, r *http.Request) {
1414	submithonk(w, r, false)
1415}
1416
1417// what a hot mess this function is
1418func submithonk(w http.ResponseWriter, r *http.Request, isAPI bool) {
1419	rid := r.FormValue("rid")
1420	noise := r.FormValue("noise")
1421
1422	userinfo := login.GetUserInfo(r)
1423	user, _ := butwhatabout(userinfo.Username)
1424
1425	dt := time.Now().UTC()
1426	updatexid := r.FormValue("updatexid")
1427	var honk *Honk
1428	if updatexid != "" {
1429		honk = getxonk(userinfo.UserID, updatexid)
1430		if !canedithonk(user, honk) {
1431			http.Error(w, "no editing that please", http.StatusInternalServerError)
1432			return
1433		}
1434		honk.Date = dt
1435		honk.What = "update"
1436		honk.Format = "markdown"
1437	} else {
1438		xid := fmt.Sprintf("%s/%s/%s", user.URL, honkSep, xfiltrate())
1439		what := "honk"
1440		if rid != "" {
1441			what = "tonk"
1442		}
1443		honk = &Honk{
1444			UserID:   userinfo.UserID,
1445			Username: userinfo.Username,
1446			What:     what,
1447			Honker:   user.URL,
1448			XID:      xid,
1449			Date:     dt,
1450			Format:   "markdown",
1451		}
1452	}
1453
1454	noise = strings.Replace(noise, "\r", "", -1)
1455	noise = quickrename(noise, userinfo.UserID)
1456	noise = hooterize(noise)
1457	honk.Mentions = bunchofgrapes(noise)
1458	honk.Noise = noise
1459	translate(honk)
1460
1461	var convoy string
1462	if rid != "" {
1463		xonk := getxonk(userinfo.UserID, rid)
1464		if xonk != nil {
1465			if xonk.Public {
1466				honk.Audience = append(honk.Audience, xonk.Audience...)
1467			}
1468			convoy = xonk.Convoy
1469		} else {
1470			xonkaud, c := whosthere(rid)
1471			honk.Audience = append(honk.Audience, xonkaud...)
1472			convoy = c
1473		}
1474		for i, a := range honk.Audience {
1475			if a == thewholeworld {
1476				honk.Audience[0], honk.Audience[i] = honk.Audience[i], honk.Audience[0]
1477				break
1478			}
1479		}
1480		honk.RID = rid
1481		if xonk.Precis != "" && honk.Precis == "" {
1482			honk.Precis = xonk.Precis
1483			if !(strings.HasPrefix(honk.Precis, "DZ:") || strings.HasPrefix(honk.Precis, "re: re: re: ")) {
1484				honk.Precis = "re: " + honk.Precis
1485			}
1486		}
1487	} else {
1488		honk.Audience = []string{thewholeworld}
1489	}
1490	if honk.Noise != "" && honk.Noise[0] == '@' {
1491		honk.Audience = append(grapevine(honk.Noise), honk.Audience...)
1492	} else {
1493		honk.Audience = append(honk.Audience, grapevine(honk.Noise)...)
1494	}
1495
1496	if convoy == "" {
1497		convoy = "data:,electrichonkytonk-" + xfiltrate()
1498	}
1499	butnottooloud(honk.Audience)
1500	honk.Audience = oneofakind(honk.Audience)
1501	if len(honk.Audience) == 0 {
1502		log.Printf("honk to nowhere")
1503		http.Error(w, "honk to nowhere...", http.StatusNotFound)
1504		return
1505	}
1506	honk.Public = loudandproud(honk.Audience)
1507	honk.Convoy = convoy
1508
1509	donkxid := r.FormValue("donkxid")
1510	if donkxid == "" {
1511		file, filehdr, err := r.FormFile("donk")
1512		if err == nil {
1513			var buf bytes.Buffer
1514			io.Copy(&buf, file)
1515			file.Close()
1516			data := buf.Bytes()
1517			xid := xfiltrate()
1518			var media, name string
1519			img, err := shrinkit(data)
1520			if err == nil {
1521				data = img.Data
1522				format := img.Format
1523				media = "image/" + format
1524				if format == "jpeg" {
1525					format = "jpg"
1526				}
1527				name = xid + "." + format
1528				xid = name
1529			} else {
1530				ct := http.DetectContentType(data)
1531				switch ct {
1532				case "application/pdf":
1533					maxsize := 1000000
1534					if len(data) > maxsize {
1535						log.Printf("bad image: %s too much pdf: %d", err, len(data))
1536						http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1537						return
1538					}
1539					media = ct
1540					xid += ".pdf"
1541					name = filehdr.Filename
1542					if name == "" {
1543						name = xid
1544					}
1545				default:
1546					maxsize := 100000
1547					if len(data) > maxsize {
1548						log.Printf("bad image: %s too much text: %d", err, len(data))
1549						http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1550						return
1551					}
1552					for i := 0; i < len(data); i++ {
1553						if data[i] < 32 && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' {
1554							log.Printf("bad image: %s not text: %d", err, data[i])
1555							http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1556							return
1557						}
1558					}
1559					media = "text/plain"
1560					xid += ".txt"
1561					name = filehdr.Filename
1562					if name == "" {
1563						name = xid
1564					}
1565				}
1566			}
1567			desc := strings.TrimSpace(r.FormValue("donkdesc"))
1568			if desc == "" {
1569				desc = name
1570			}
1571			url := fmt.Sprintf("https://%s/d/%s", serverName, xid)
1572			fileid, err := savefile(xid, name, desc, url, media, true, data)
1573			if err != nil {
1574				log.Printf("unable to save image: %s", err)
1575				return
1576			}
1577			d := &Donk{
1578				FileID: fileid,
1579				XID:    xid,
1580				Desc:   desc,
1581				URL:    url,
1582				Local:  true,
1583			}
1584			honk.Donks = append(honk.Donks, d)
1585			donkxid = xid
1586		}
1587	} else {
1588		xid := donkxid
1589		url := fmt.Sprintf("https://%s/d/%s", serverName, xid)
1590		donk := finddonk(url)
1591		if donk != nil {
1592			honk.Donks = append(honk.Donks, donk)
1593		} else {
1594			log.Printf("can't find file: %s", xid)
1595		}
1596	}
1597	memetize(honk)
1598	imaginate(honk)
1599
1600	placename := strings.TrimSpace(r.FormValue("placename"))
1601	placelat := strings.TrimSpace(r.FormValue("placelat"))
1602	placelong := strings.TrimSpace(r.FormValue("placelong"))
1603	placeurl := strings.TrimSpace(r.FormValue("placeurl"))
1604	if placename != "" || placelat != "" || placelong != "" || placeurl != "" {
1605		p := new(Place)
1606		p.Name = placename
1607		p.Latitude, _ = strconv.ParseFloat(placelat, 64)
1608		p.Longitude, _ = strconv.ParseFloat(placelong, 64)
1609		p.Url = placeurl
1610		honk.Place = p
1611	}
1612	timestart := strings.TrimSpace(r.FormValue("timestart"))
1613	if timestart != "" {
1614		t := new(Time)
1615		now := time.Now().Local()
1616		for _, layout := range []string{"2006-01-02 3:04pm", "2006-01-02 15:04", "3:04pm", "15:04"} {
1617			start, err := time.ParseInLocation(layout, timestart, now.Location())
1618			if err == nil {
1619				if start.Year() == 0 {
1620					start = time.Date(now.Year(), now.Month(), now.Day(), start.Hour(), start.Minute(), 0, 0, now.Location())
1621				}
1622				t.StartTime = start
1623				break
1624			}
1625		}
1626		timeend := r.FormValue("timeend")
1627		dur := parseDuration(timeend)
1628		if dur != 0 {
1629			t.Duration = Duration(dur)
1630		}
1631		if !t.StartTime.IsZero() {
1632			honk.What = "event"
1633			honk.Time = t
1634		}
1635	}
1636
1637	if honk.Public {
1638		honk.Whofore = 2
1639	} else {
1640		honk.Whofore = 3
1641	}
1642
1643	// back to markdown
1644	honk.Noise = noise
1645
1646	if r.FormValue("preview") == "preview" {
1647		honks := []*Honk{honk}
1648		reverbolate(userinfo.UserID, honks)
1649		templinfo := getInfo(r)
1650		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1651		templinfo["Honks"] = honks
1652		templinfo["MapLink"] = getmaplink(userinfo)
1653		templinfo["InReplyTo"] = r.FormValue("rid")
1654		templinfo["Noise"] = r.FormValue("noise")
1655		templinfo["SavedFile"] = donkxid
1656		if tm := honk.Time; tm != nil {
1657			templinfo["ShowTime"] = ";"
1658			templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 03:04")
1659			templinfo["Duration"] = tm.Duration
1660		}
1661		templinfo["IsPreview"] = true
1662		templinfo["UpdateXID"] = updatexid
1663		templinfo["ServerMessage"] = "honk preview"
1664		err := readviews.Execute(w, "honkpage.html", templinfo)
1665		if err != nil {
1666			log.Print(err)
1667		}
1668		return
1669	}
1670
1671	if updatexid != "" {
1672		updatehonk(honk)
1673		oldjonks.Clear(honk.XID)
1674	} else {
1675		err := savehonk(honk)
1676		if err != nil {
1677			log.Printf("uh oh")
1678			return
1679		}
1680	}
1681
1682	// reload for consistency
1683	honk.Donks = nil
1684	donksforhonks([]*Honk{honk})
1685
1686	go honkworldwide(user, honk)
1687
1688	if isAPI {
1689		w.Write([]byte(honk.XID))
1690	} else {
1691		http.Redirect(w, r, honk.XID[len(serverName)+8:], http.StatusSeeOther)
1692	}
1693}
1694
1695func showhonkers(w http.ResponseWriter, r *http.Request) {
1696	userinfo := login.GetUserInfo(r)
1697	templinfo := getInfo(r)
1698	templinfo["Honkers"] = gethonkers(userinfo.UserID)
1699	templinfo["HonkerCSRF"] = login.GetCSRF("submithonker", r)
1700	err := readviews.Execute(w, "honkers.html", templinfo)
1701	if err != nil {
1702		log.Print(err)
1703	}
1704}
1705
1706var combocache = cache.New(cache.Options{Filler: func(userid int64) ([]string, bool) {
1707	honkers := gethonkers(userid)
1708	var combos []string
1709	for _, h := range honkers {
1710		combos = append(combos, h.Combos...)
1711	}
1712	for i, c := range combos {
1713		if c == "-" {
1714			combos[i] = ""
1715		}
1716	}
1717	combos = oneofakind(combos)
1718	sort.Strings(combos)
1719	return combos, true
1720}, Invalidator: &honkerinvalidator})
1721
1722func showcombos(w http.ResponseWriter, r *http.Request) {
1723	userinfo := login.GetUserInfo(r)
1724	var combos []string
1725	combocache.Get(userinfo.UserID, &combos)
1726	templinfo := getInfo(r)
1727	err := readviews.Execute(w, "combos.html", templinfo)
1728	if err != nil {
1729		log.Print(err)
1730	}
1731}
1732
1733func submithonker(w http.ResponseWriter, r *http.Request) {
1734	u := login.GetUserInfo(r)
1735	name := strings.TrimSpace(r.FormValue("name"))
1736	url := strings.TrimSpace(r.FormValue("url"))
1737	peep := r.FormValue("peep")
1738	combos := strings.TrimSpace(r.FormValue("combos"))
1739	combos = " " + combos + " "
1740	honkerid, _ := strconv.ParseInt(r.FormValue("honkerid"), 10, 0)
1741
1742	var meta HonkerMeta
1743	meta.Notes = strings.TrimSpace(r.FormValue("notes"))
1744	mj, _ := jsonify(&meta)
1745
1746	defer honkerinvalidator.Clear(u.UserID)
1747
1748	if honkerid > 0 {
1749		goodbye := r.FormValue("goodbye")
1750		if goodbye == "F" {
1751			db := opendatabase()
1752			row := db.QueryRow("select xid from honkers where honkerid = ? and userid = ? and flavor in ('sub')",
1753				honkerid, u.UserID)
1754			err := row.Scan(&url)
1755			if err != nil {
1756				log.Printf("can't get honker xid: %s", err)
1757				return
1758			}
1759			log.Printf("unsubscribing from %s", url)
1760			user, _ := butwhatabout(u.Username)
1761			_, err = stmtUpdateFlavor.Exec("unsub", u.UserID, url, name, "sub")
1762			if err != nil {
1763				log.Printf("error updating honker: %s", err)
1764				return
1765			}
1766			go itakeitallback(user, url)
1767
1768			http.Redirect(w, r, "/honkers", http.StatusSeeOther)
1769			return
1770		}
1771		if goodbye == "X" {
1772			var owner string
1773			db := opendatabase()
1774			row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub')",
1775				honkerid, u.UserID)
1776			err := row.Scan(&url, &owner)
1777			if err != nil {
1778				log.Printf("can't get honker xid: %s", err)
1779				return
1780			}
1781			log.Printf("resubscribing to %s", url)
1782			user, _ := butwhatabout(u.Username)
1783			_, err = stmtUpdateFlavor.Exec("presub", u.UserID, url, name, "unsub")
1784			if err == nil {
1785				_, err = stmtUpdateFlavor.Exec("presub", u.UserID, url, name, "peep")
1786			}
1787			if err != nil {
1788				log.Printf("error updating honker: %s", err)
1789				return
1790			}
1791			go subsub(user, url, owner)
1792
1793			http.Redirect(w, r, "/honkers", http.StatusSeeOther)
1794			return
1795		}
1796		_, err := stmtUpdateHonker.Exec(name, combos, mj, honkerid, u.UserID)
1797		if err != nil {
1798			log.Printf("update honker err: %s", err)
1799			return
1800		}
1801		http.Redirect(w, r, "/honkers", http.StatusSeeOther)
1802		return
1803	}
1804
1805	if url == "" {
1806		http.Error(w, "subscribing to nothing?", http.StatusInternalServerError)
1807		return
1808	}
1809
1810	flavor := "presub"
1811	if peep == "peep" {
1812		flavor = "peep"
1813	}
1814
1815	if url[0] == '#' {
1816		flavor = "peep"
1817		if name == "" {
1818			name = url
1819		}
1820		_, err := stmtSaveHonker.Exec(u.UserID, name, url, flavor, combos, url, mj)
1821		if err != nil {
1822			log.Print(err)
1823			return
1824		}
1825		http.Redirect(w, r, "/honkers", http.StatusSeeOther)
1826		return
1827	}
1828
1829	info, err := investigate(url)
1830	if err != nil {
1831		http.Error(w, "error investigating: "+err.Error(), http.StatusInternalServerError)
1832		log.Printf("failed to investigate honker: %s", err)
1833		return
1834	}
1835	url = info.XID
1836
1837	var x string
1838	db := opendatabase()
1839	row := db.QueryRow("select xid from honkers where xid = ? and userid = ? and flavor in ('sub', 'unsub', 'peep')", url, u.UserID)
1840	err = row.Scan(&x)
1841	if err != sql.ErrNoRows {
1842		http.Error(w, "it seems you are already subscribed to them", http.StatusInternalServerError)
1843		if err != nil {
1844			log.Printf("honker scan err: %s", err)
1845		}
1846		return
1847	}
1848
1849	if name == "" {
1850		name = info.Name
1851	}
1852	_, err = stmtSaveHonker.Exec(u.UserID, name, url, flavor, combos, info.Owner, mj)
1853	if err != nil {
1854		log.Print(err)
1855		return
1856	}
1857	if flavor == "presub" {
1858		user, _ := butwhatabout(u.Username)
1859		go subsub(user, url, info.Owner)
1860	}
1861	http.Redirect(w, r, "/honkers", http.StatusSeeOther)
1862}
1863
1864func hfcspage(w http.ResponseWriter, r *http.Request) {
1865	userinfo := login.GetUserInfo(r)
1866
1867	filters := getfilters(userinfo.UserID, filtAny)
1868
1869	templinfo := getInfo(r)
1870	templinfo["Filters"] = filters
1871	templinfo["FilterCSRF"] = login.GetCSRF("filter", r)
1872	err := readviews.Execute(w, "hfcs.html", templinfo)
1873	if err != nil {
1874		log.Print(err)
1875	}
1876}
1877
1878func savehfcs(w http.ResponseWriter, r *http.Request) {
1879	userinfo := login.GetUserInfo(r)
1880	itsok := r.FormValue("itsok")
1881	if itsok == "iforgiveyou" {
1882		hfcsid, _ := strconv.ParseInt(r.FormValue("hfcsid"), 10, 0)
1883		_, err := stmtDeleteFilter.Exec(userinfo.UserID, hfcsid)
1884		if err != nil {
1885			log.Printf("error deleting filter: %s", err)
1886		}
1887		filtInvalidator.Clear(userinfo.UserID)
1888		http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
1889		return
1890	}
1891
1892	filt := new(Filter)
1893	filt.Name = strings.TrimSpace(r.FormValue("name"))
1894	filt.Date = time.Now().UTC()
1895	filt.Actor = strings.TrimSpace(r.FormValue("actor"))
1896	filt.IncludeAudience = r.FormValue("incaud") == "yes"
1897	filt.Text = strings.TrimSpace(r.FormValue("filttext"))
1898	filt.IsAnnounce = r.FormValue("isannounce") == "yes"
1899	filt.AnnounceOf = strings.TrimSpace(r.FormValue("announceof"))
1900	filt.Reject = r.FormValue("doreject") == "yes"
1901	filt.SkipMedia = r.FormValue("doskipmedia") == "yes"
1902	filt.Hide = r.FormValue("dohide") == "yes"
1903	filt.Collapse = r.FormValue("docollapse") == "yes"
1904	filt.Rewrite = strings.TrimSpace(r.FormValue("filtrewrite"))
1905	filt.Replace = strings.TrimSpace(r.FormValue("filtreplace"))
1906	if dur := parseDuration(r.FormValue("filtduration")); dur > 0 {
1907		filt.Expiration = time.Now().UTC().Add(dur)
1908	}
1909	filt.Notes = strings.TrimSpace(r.FormValue("filtnotes"))
1910
1911	if filt.Actor == "" && filt.Text == "" && !filt.IsAnnounce {
1912		log.Printf("blank filter")
1913		http.Error(w, "can't save a blank filter", http.StatusInternalServerError)
1914		return
1915	}
1916
1917	j, err := jsonify(filt)
1918	if err == nil {
1919		_, err = stmtSaveFilter.Exec(userinfo.UserID, j)
1920	}
1921	if err != nil {
1922		log.Printf("error saving filter: %s", err)
1923	}
1924
1925	filtInvalidator.Clear(userinfo.UserID)
1926	http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
1927}
1928
1929func accountpage(w http.ResponseWriter, r *http.Request) {
1930	u := login.GetUserInfo(r)
1931	user, _ := butwhatabout(u.Username)
1932	templinfo := getInfo(r)
1933	templinfo["UserCSRF"] = login.GetCSRF("saveuser", r)
1934	templinfo["LogoutCSRF"] = login.GetCSRF("logout", r)
1935	templinfo["User"] = user
1936	about := user.About
1937	if ava := user.Options.Avatar; ava != "" {
1938		about += "\n\navatar: " + ava[strings.LastIndexByte(ava, '/')+1:]
1939	}
1940	templinfo["WhatAbout"] = about
1941	err := readviews.Execute(w, "account.html", templinfo)
1942	if err != nil {
1943		log.Print(err)
1944	}
1945}
1946
1947func dochpass(w http.ResponseWriter, r *http.Request) {
1948	err := login.ChangePassword(w, r)
1949	if err != nil {
1950		log.Printf("error changing password: %s", err)
1951	}
1952	http.Redirect(w, r, "/account", http.StatusSeeOther)
1953}
1954
1955func fingerlicker(w http.ResponseWriter, r *http.Request) {
1956	orig := r.FormValue("resource")
1957
1958	log.Printf("finger lick: %s", orig)
1959
1960	if strings.HasPrefix(orig, "acct:") {
1961		orig = orig[5:]
1962	}
1963
1964	name := orig
1965	idx := strings.LastIndexByte(name, '/')
1966	if idx != -1 {
1967		name = name[idx+1:]
1968		if fmt.Sprintf("https://%s/%s/%s", serverName, userSep, name) != orig {
1969			log.Printf("foreign request rejected")
1970			name = ""
1971		}
1972	} else {
1973		idx = strings.IndexByte(name, '@')
1974		if idx != -1 {
1975			name = name[:idx]
1976			if name+"@"+serverName != orig {
1977				log.Printf("foreign request rejected")
1978				name = ""
1979			}
1980		}
1981	}
1982	user, err := butwhatabout(name)
1983	if err != nil {
1984		http.NotFound(w, r)
1985		return
1986	}
1987	if stealthmode(user.ID, r) {
1988		http.NotFound(w, r)
1989		return
1990	}
1991
1992	j := junk.New()
1993	j["subject"] = fmt.Sprintf("acct:%s@%s", user.Name, serverName)
1994	j["aliases"] = []string{user.URL}
1995	l := junk.New()
1996	l["rel"] = "self"
1997	l["type"] = `application/activity+json`
1998	l["href"] = user.URL
1999	j["links"] = []junk.Junk{l}
2000
2001	w.Header().Set("Content-Type", "application/jrd+json")
2002	j.Write(w)
2003}
2004
2005func somedays() string {
2006	secs := 432000 + notrand.Int63n(432000)
2007	return fmt.Sprintf("%d", secs)
2008}
2009
2010func avatate(w http.ResponseWriter, r *http.Request) {
2011	if debugMode {
2012		loadAvatarColors()
2013	}
2014	n := r.FormValue("a")
2015	a := genAvatar(n)
2016	w.Header().Set("Cache-Control", "max-age="+somedays())
2017	w.Write(a)
2018}
2019
2020func serveasset(w http.ResponseWriter, r *http.Request) {
2021	if !debugMode {
2022		w.Header().Set("Cache-Control", "max-age=7776000")
2023	}
2024	dir := viewDir
2025	if r.URL.Path == "/local.css" {
2026		dir = dataDir
2027	}
2028	http.ServeFile(w, r, dir+"/views"+r.URL.Path)
2029}
2030func servehelp(w http.ResponseWriter, r *http.Request) {
2031	name := mux.Vars(r)["name"]
2032	if !debugMode {
2033		w.Header().Set("Cache-Control", "max-age=3600")
2034	}
2035	http.ServeFile(w, r, viewDir+"/docs/"+name)
2036}
2037func servehtml(w http.ResponseWriter, r *http.Request) {
2038	u := login.GetUserInfo(r)
2039	templinfo := getInfo(r)
2040	templinfo["AboutMsg"] = aboutMsg
2041	templinfo["LoginMsg"] = loginMsg
2042	templinfo["HonkVersion"] = softwareVersion
2043	if r.URL.Path == "/about" {
2044		templinfo["Sensors"] = getSensors()
2045	}
2046	if u == nil && !debugMode {
2047		w.Header().Set("Cache-Control", "max-age=60")
2048	}
2049	err := readviews.Execute(w, r.URL.Path[1:]+".html", templinfo)
2050	if err != nil {
2051		log.Print(err)
2052	}
2053}
2054func serveemu(w http.ResponseWriter, r *http.Request) {
2055	emu := mux.Vars(r)["emu"]
2056
2057	w.Header().Set("Cache-Control", "max-age="+somedays())
2058	http.ServeFile(w, r, dataDir+"/emus/"+emu)
2059}
2060func servememe(w http.ResponseWriter, r *http.Request) {
2061	meme := mux.Vars(r)["meme"]
2062
2063	w.Header().Set("Cache-Control", "max-age="+somedays())
2064	http.ServeFile(w, r, dataDir+"/memes/"+meme)
2065}
2066
2067func servefile(w http.ResponseWriter, r *http.Request) {
2068	xid := mux.Vars(r)["xid"]
2069	var media string
2070	var data []byte
2071	row := stmtGetFileData.QueryRow(xid)
2072	err := row.Scan(&media, &data)
2073	if err != nil {
2074		log.Printf("error loading file: %s", err)
2075		http.NotFound(w, r)
2076		return
2077	}
2078	w.Header().Set("Content-Type", media)
2079	w.Header().Set("X-Content-Type-Options", "nosniff")
2080	w.Header().Set("Cache-Control", "max-age="+somedays())
2081	w.Write(data)
2082}
2083
2084func nomoroboto(w http.ResponseWriter, r *http.Request) {
2085	io.WriteString(w, "User-agent: *\n")
2086	io.WriteString(w, "Disallow: /a\n")
2087	io.WriteString(w, "Disallow: /d/\n")
2088	io.WriteString(w, "Disallow: /meme/\n")
2089	io.WriteString(w, "Disallow: /o\n")
2090	io.WriteString(w, "Disallow: /o/\n")
2091	for _, u := range allusers() {
2092		fmt.Fprintf(w, "Disallow: /%s/%s/%s/\n", userSep, u.Username, honkSep)
2093	}
2094}
2095
2096func webhydra(w http.ResponseWriter, r *http.Request) {
2097	u := login.GetUserInfo(r)
2098	userid := u.UserID
2099	templinfo := getInfo(r)
2100	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
2101	page := r.FormValue("page")
2102
2103	wanted, _ := strconv.ParseInt(r.FormValue("tophid"), 10, 0)
2104
2105	var honks []*Honk
2106	switch page {
2107	case "atme":
2108		honks = gethonksforme(userid, wanted)
2109		honks = osmosis(honks, userid, false)
2110		templinfo["ServerMessage"] = "at me!"
2111	case "home":
2112		honks = gethonksforuser(userid, wanted)
2113		honks = osmosis(honks, userid, true)
2114		templinfo["ServerMessage"] = serverMsg
2115	case "first":
2116		honks = gethonksforuserfirstclass(userid, wanted)
2117		honks = osmosis(honks, userid, true)
2118		templinfo["ServerMessage"] = "first class only"
2119	case "saved":
2120		honks = getsavedhonks(userid, wanted)
2121		templinfo["PageName"] = "saved"
2122		templinfo["ServerMessage"] = "saved honks"
2123	case "combo":
2124		c := r.FormValue("c")
2125		honks = gethonksbycombo(userid, c, wanted)
2126		honks = osmosis(honks, userid, false)
2127		templinfo["ServerMessage"] = "honks by combo: " + c
2128	case "convoy":
2129		c := r.FormValue("c")
2130		honks = gethonksbyconvoy(userid, c, wanted)
2131		honks = osmosis(honks, userid, false)
2132		templinfo["ServerMessage"] = "honks in convoy: " + c
2133	case "honker":
2134		xid := r.FormValue("xid")
2135		honks = gethonksbyxonker(userid, xid, wanted)
2136		msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>`, xid, xid)
2137		templinfo["ServerMessage"] = msg
2138	default:
2139		http.NotFound(w, r)
2140	}
2141	if len(honks) > 0 {
2142		templinfo["TopHID"] = honks[0].ID
2143	} else {
2144		templinfo["TopHID"] = wanted
2145	}
2146	reverbolate(userid, honks)
2147	templinfo["Honks"] = honks
2148	templinfo["MapLink"] = getmaplink(u)
2149	w.Header().Set("Content-Type", "text/html; charset=utf-8")
2150	err := readviews.Execute(w, "honkfrags.html", templinfo)
2151	if err != nil {
2152		log.Printf("frag error: %s", err)
2153	}
2154}
2155
2156var honkline = make(chan bool)
2157
2158func honkhonkline() {
2159	for {
2160		select {
2161		case honkline <- true:
2162		default:
2163			return
2164		}
2165	}
2166}
2167
2168func apihandler(w http.ResponseWriter, r *http.Request) {
2169	u := login.GetUserInfo(r)
2170	userid := u.UserID
2171	user, _ := butwhatabout(u.Username)
2172	action := r.FormValue("action")
2173	wait, _ := strconv.ParseInt(r.FormValue("wait"), 10, 0)
2174	log.Printf("api request '%s' on behalf of %s", action, u.Username)
2175	switch action {
2176	case "honk":
2177		submithonk(w, r, true)
2178	case "gethonks":
2179		var honks []*Honk
2180		wanted, _ := strconv.ParseInt(r.FormValue("after"), 10, 0)
2181		page := r.FormValue("page")
2182		var waitchan <-chan time.Time
2183	requery:
2184		switch page {
2185		case "atme":
2186			honks = gethonksforme(userid, wanted)
2187			honks = osmosis(honks, userid, false)
2188		case "home":
2189			honks = gethonksforuser(userid, wanted)
2190			honks = osmosis(honks, userid, true)
2191		default:
2192			http.Error(w, "unknown page", http.StatusNotFound)
2193			return
2194		}
2195		if len(honks) == 0 && wait > 0 {
2196			if waitchan == nil {
2197				waitchan = time.After(time.Duration(wait) * time.Second)
2198			}
2199			select {
2200			case <-honkline:
2201				goto requery
2202			case <-waitchan:
2203			}
2204		}
2205		reverbolate(userid, honks)
2206		j := junk.New()
2207		j["honks"] = honks
2208		j.Write(w)
2209	case "sendactivity":
2210		public := r.FormValue("public") == "1"
2211		rcpts := boxuprcpts(user, r.Form["rcpt"], public)
2212		msg := []byte(r.FormValue("msg"))
2213		for rcpt := range rcpts {
2214			go deliverate(0, userid, rcpt, msg)
2215		}
2216	default:
2217		http.Error(w, "unknown action", http.StatusNotFound)
2218		return
2219	}
2220}
2221
2222var endoftheworld = make(chan bool)
2223var readyalready = make(chan bool)
2224
2225func enditall() {
2226	sig := make(chan os.Signal)
2227	signal.Notify(sig, os.Interrupt)
2228	signal.Notify(sig, syscall.SIGTERM)
2229	<-sig
2230	count := 0
2231	log.Printf("stopping...")
2232sendloop:
2233	for {
2234		select {
2235		case endoftheworld <- true:
2236			count++
2237		default:
2238			break sendloop
2239		}
2240	}
2241	log.Printf("waiting...")
2242	for i := 0; i < count; i++ {
2243		<-readyalready
2244	}
2245	log.Printf("apocalypse")
2246	os.Exit(0)
2247}
2248
2249var preservehooks []func()
2250
2251func serve() {
2252	db := opendatabase()
2253	login.Init(db)
2254
2255	listener, err := openListener()
2256	if err != nil {
2257		log.Fatal(err)
2258	}
2259	startBackendServer()
2260	go enditall()
2261	go redeliverator()
2262	go tracker()
2263
2264	getconfig("debug", &debugMode)
2265	readviews = templates.Load(debugMode,
2266		viewDir+"/views/honkpage.html",
2267		viewDir+"/views/honkfrags.html",
2268		viewDir+"/views/honkers.html",
2269		viewDir+"/views/hfcs.html",
2270		viewDir+"/views/combos.html",
2271		viewDir+"/views/honkform.html",
2272		viewDir+"/views/honk.html",
2273		viewDir+"/views/account.html",
2274		viewDir+"/views/about.html",
2275		viewDir+"/views/funzone.html",
2276		viewDir+"/views/login.html",
2277		viewDir+"/views/xzone.html",
2278		viewDir+"/views/msg.html",
2279		viewDir+"/views/header.html",
2280		viewDir+"/views/onts.html",
2281		viewDir+"/views/honkpage.js",
2282	)
2283	if !debugMode {
2284		assets := []string{viewDir + "/views/style.css", dataDir + "/views/local.css", viewDir + "/views/honkpage.js"}
2285		for _, s := range assets {
2286			savedassetparams[s] = getassetparam(s)
2287		}
2288		loadAvatarColors()
2289	}
2290
2291	for _, h := range preservehooks {
2292		h()
2293	}
2294
2295	mux := mux.NewRouter()
2296	mux.Use(login.Checker)
2297
2298	mux.Handle("/api", login.TokenRequired(http.HandlerFunc(apihandler)))
2299
2300	posters := mux.Methods("POST").Subrouter()
2301	getters := mux.Methods("GET").Subrouter()
2302
2303	getters.HandleFunc("/", homepage)
2304	getters.HandleFunc("/home", homepage)
2305	getters.HandleFunc("/front", homepage)
2306	getters.HandleFunc("/events", homepage)
2307	getters.HandleFunc("/robots.txt", nomoroboto)
2308	getters.HandleFunc("/rss", showrss)
2309	getters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}", showuser)
2310	getters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}/"+honkSep+"/{xid:[[:alnum:]]+}", showonehonk)
2311	getters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}/rss", showrss)
2312	posters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}/inbox", inbox)
2313	getters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}/outbox", outbox)
2314	getters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}/followers", emptiness)
2315	getters.HandleFunc("/"+userSep+"/{name:[[:alnum:]]+}/following", emptiness)
2316	getters.HandleFunc("/a", avatate)
2317	getters.HandleFunc("/o", thelistingoftheontologies)
2318	getters.HandleFunc("/o/{name:.+}", showontology)
2319	getters.HandleFunc("/d/{xid:[[:alnum:].]+}", servefile)
2320	getters.HandleFunc("/emu/{emu:[^.]*[^/]+}", serveemu)
2321	getters.HandleFunc("/meme/{meme:[^.]*[^/]+}", servememe)
2322	getters.HandleFunc("/.well-known/webfinger", fingerlicker)
2323
2324	getters.HandleFunc("/server", serveractor)
2325	posters.HandleFunc("/server/inbox", serverinbox)
2326
2327	getters.HandleFunc("/style.css", serveasset)
2328	getters.HandleFunc("/local.css", serveasset)
2329	getters.HandleFunc("/honkpage.js", serveasset)
2330	getters.HandleFunc("/about", servehtml)
2331	getters.HandleFunc("/login", servehtml)
2332	posters.HandleFunc("/dologin", login.LoginFunc)
2333	getters.HandleFunc("/logout", login.LogoutFunc)
2334	getters.HandleFunc("/help/{name:[[:alnum:]_.-]+}", servehelp)
2335
2336	loggedin := mux.NewRoute().Subrouter()
2337	loggedin.Use(login.Required)
2338	loggedin.HandleFunc("/first", homepage)
2339	loggedin.HandleFunc("/saved", homepage)
2340	loggedin.HandleFunc("/account", accountpage)
2341	loggedin.HandleFunc("/funzone", showfunzone)
2342	loggedin.HandleFunc("/chpass", dochpass)
2343	loggedin.HandleFunc("/atme", homepage)
2344	loggedin.HandleFunc("/hfcs", hfcspage)
2345	loggedin.HandleFunc("/xzone", xzone)
2346	loggedin.HandleFunc("/newhonk", newhonkpage)
2347	loggedin.HandleFunc("/edit", edithonkpage)
2348	loggedin.Handle("/honk", login.CSRFWrap("honkhonk", http.HandlerFunc(submitwebhonk)))
2349	loggedin.Handle("/bonk", login.CSRFWrap("honkhonk", http.HandlerFunc(submitbonk)))
2350	loggedin.Handle("/zonkit", login.CSRFWrap("honkhonk", http.HandlerFunc(zonkit)))
2351	loggedin.Handle("/savehfcs", login.CSRFWrap("filter", http.HandlerFunc(savehfcs)))
2352	loggedin.Handle("/saveuser", login.CSRFWrap("saveuser", http.HandlerFunc(saveuser)))
2353	loggedin.Handle("/ximport", login.CSRFWrap("ximport", http.HandlerFunc(ximport)))
2354	loggedin.HandleFunc("/honkers", showhonkers)
2355	loggedin.HandleFunc("/h/{name:[[:alnum:]_.-]+}", showhonker)
2356	loggedin.HandleFunc("/h", showhonker)
2357	loggedin.HandleFunc("/c/{name:[[:alnum:]_.-]+}", showcombo)
2358	loggedin.HandleFunc("/c", showcombos)
2359	loggedin.HandleFunc("/t", showconvoy)
2360	loggedin.HandleFunc("/q", showsearch)
2361	loggedin.HandleFunc("/hydra", webhydra)
2362	loggedin.Handle("/submithonker", login.CSRFWrap("submithonker", http.HandlerFunc(submithonker)))
2363
2364	err = http.Serve(listener, mux)
2365	if err != nil {
2366		log.Fatal(err)
2367	}
2368}