all repos — honk @ 8c14fb9c6de790b2c62c4f690b9a4e6f9c77a944

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