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moth
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A passable start at a go-based mothd

This commit is contained in:
Neale Pickett 2018-09-15 00:24:48 +00:00
parent e45e460fe0
commit 5bb050166e
14 changed files with 470 additions and 409 deletions
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66
maintenance.go
View File

@ -1,66 +0,0 @@
package main
import (
"log"
"io/ioutil"
"time"
"os"
"strings"
)
func cacheMothball(filepath string, categoryName string) {
log.Printf("I'm exploding a mothball %s %s", filepath, categoryName)
}
// maintenance runs
func tidy() {
// Skip if we've been disabled
if _, err := os.Stat(statePath("disabled")); err == nil {
log.Print("disabled file found, suspending maintenance")
return
}
// Skip if we've expired
untilspec, err := ioutil.ReadFile(statePath("until"))
if err == nil {
until, err := time.Parse(time.RFC3339, string(untilspec))
if err != nil {
log.Print("Unparseable date in until file: %s", until)
} else {
if until.Before(time.Now()) {
log.Print("until file time reached, suspending maintenance")
return
}
}
}
// Get current list of categories
newCategories := []string{}
files, err := ioutil.ReadDir(modulesPath())
if err != nil {
log.Printf("Error reading packages: %s", err)
}
for _, f := range files {
filename := f.Name()
filepath := modulesPath(filename)
if ! strings.HasSuffix(filename, ".mb") {
continue
}
categoryName := strings.TrimSuffix(filename, ".mb")
newCategories = append(newCategories, categoryName)
// Uncompress into cache directory
cacheMothball(filepath, categoryName)
}
categories = newCategories
collectPoints()
}
// maintenance is the goroutine that runs a periodic maintenance task
func maintenance(maintenanceInterval time.Duration) {
for ;; time.Sleep(maintenanceInterval) {
tidy()
}
}

167
mothd.go
View File

@ -1,167 +0,0 @@
package main
import (
"bufio"
"github.com/namsral/flag"
"fmt"
"log"
"net/http"
"os"
"path"
"strings"
"time"
)
var moduleDir string
var stateDir string
var cacheDir string
var categories = []string{}
// anchoredSearch looks for needle in filename,
// skipping the first skip space-delimited words
func anchoredSearch(filename string, needle string, skip int) bool {
f, err := os.Open(filename)
if err != nil {
log.Print("Can't open %s: %s", filename, err)
return false
}
defer f.Close()
scanner := bufio.NewScanner(f)
for scanner.Scan() {
line := scanner.Text()
parts := strings.SplitN(" ", line, skip+1)
if parts[skip+1] == needle {
return true
}
}
return false
}
func showPage(w http.ResponseWriter, title string, body string) {
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, "<!DOCTYPE html>")
fmt.Fprintf(w, "<html><head>")
fmt.Fprintf(w, "<title>%s</title>", title)
fmt.Fprintf(w, "<link rel=\"stylesheet\" href=\"static/style.css\">")
fmt.Fprintf(w, "<meta name=\"viewport\" content=\"width=device-width\"></head>")
fmt.Fprintf(w, "<link rel=\"icon\" href=\"res/luna-moth.svg\" type=\"image/svg+xml\">")
fmt.Fprintf(w, "<link rel=\"icon\" href=\"res/luna-moth.png\" type=\"image/png\">")
fmt.Fprintf(w, "<body><h1>%s</h1>", title)
fmt.Fprintf(w, "<section>%s</section>", body)
fmt.Fprintf(w, "<nav>")
fmt.Fprintf(w, "<ul>")
fmt.Fprintf(w, "<li><a href=\"static/puzzles.html\">Puzzles</a></li>")
fmt.Fprintf(w, "<li><a href=\"static/scoreboard.html\">Scoreboard</a></li>")
fmt.Fprintf(w, "</ul>")
fmt.Fprintf(w, "</nav>")
fmt.Fprintf(w, "</body></html>")
}
func modulesPath(parts ...string) string {
tail := path.Join(parts...)
return path.Join(moduleDir, tail)
}
func statePath(parts ...string) string {
tail := path.Join(parts...)
return path.Join(stateDir, tail)
}
func cachePath(parts ...string) string {
tail := path.Join(parts...)
return path.Join(cacheDir, tail)
}
func logRequest(handler http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
log.Printf("HTTP %s %s %s\n", r.RemoteAddr, r.Method, r.URL)
handler.ServeHTTP(w, r)
})
}
func setup() error {
// Roll over and die if directories aren't even set up
if _, err := os.Stat(modulesPath()); os.IsNotExist(err) {
return err
}
if _, err := os.Stat(statePath()); os.IsNotExist(err) {
return err
}
if _, err := os.Stat(cachePath()); os.IsNotExist(err) {
return err
}
// Make sure points directories exist
os.Mkdir(statePath("points.tmp"), 0755)
os.Mkdir(statePath("points.new"), 0755)
// Preseed available team ids if file doesn't exist
if f, err := os.OpenFile(statePath("teamids.txt"), os.O_WRONLY | os.O_CREATE | os.O_EXCL, 0644); err == nil {
defer f.Close()
for i := 0; i <= 9999; i += 1 {
fmt.Fprintf(f, "%04d\n", i)
}
}
return nil
}
func main() {
var maintenanceInterval time.Duration
var listen string
fs := flag.NewFlagSetWithEnvPrefix(os.Args[0], "MOTH", flag.ExitOnError)
fs.StringVar(
&moduleDir,
"modules",
"/moth/modules",
"Path where your moth modules live",
)
fs.StringVar(
&stateDir,
"state",
"/moth/state",
"Path where state should be written",
)
fs.StringVar(
&cacheDir,
"cache",
"/moth/cache",
"Path for ephemeral cache",
)
fs.DurationVar(
&maintenanceInterval,
"maint",
20 * time.Second,
"Maintenance interval",
)
fs.StringVar(
&listen,
"listen",
":8080",
"[host]:port to bind and listen",
)
fs.Parse(os.Args[1:])
if err := setup(); err != nil {
log.Fatal(err)
}
go maintenance(maintenanceInterval)
fileserver := http.FileServer(http.Dir(cacheDir))
http.HandleFunc("/", rootHandler)
http.Handle("/static/", http.StripPrefix("/static", fileserver))
http.HandleFunc("/register", registerHandler)
http.HandleFunc("/token", tokenHandler)
http.HandleFunc("/answer", answerHandler)
http.HandleFunc("/puzzles.json", puzzlesHandler)
http.HandleFunc("/points.json", pointsHandler)
log.Printf("Listening on %s", listen)
log.Fatal(http.ListenAndServe(listen, logRequest(http.DefaultServeMux)))
}

129
points.go
View File

@ -1,129 +0,0 @@
package main
import (
"bufio"
"fmt"
"io/ioutil"
"log"
"os"
"strconv"
"strings"
"time"
)
type Award struct {
when time.Time
teamid string
category string
points int
}
func ParseAward(s string) (*Award, error) {
ret := Award{}
parts := strings.SplitN(s, " ", 5)
if len(parts) < 4 {
return nil, fmt.Errorf("Malformed award string")
}
whenEpoch, err := strconv.ParseInt(parts[0], 10, 64)
if (err != nil) {
return nil, fmt.Errorf("Malformed timestamp: %s", parts[0])
}
ret.when = time.Unix(whenEpoch, 0)
ret.teamid = parts[1]
ret.category = parts[2]
points, err := strconv.Atoi(parts[3])
if (err != nil) {
return nil, fmt.Errorf("Malformed points: %s", parts[3])
}
ret.points = points
return &ret, nil
}
func (a *Award) String() string {
return fmt.Sprintf("%d %s %s %d", a.when.Unix(), a.teamid, a.category, a.points)
}
func pointsLog() []Award {
var ret []Award
fn := statePath("points.log")
f, err := os.Open(fn)
if err != nil {
log.Printf("Unable to open %s: %s", fn, err)
return ret
}
defer f.Close()
scanner := bufio.NewScanner(f)
for scanner.Scan() {
line := scanner.Text()
cur, err := ParseAward(line)
if err != nil {
log.Printf("Skipping malformed award line %s: %s", line, err)
continue
}
ret = append(ret, *cur)
}
return ret
}
// awardPoints gives points points to team teamid in category category
func awardPoints(teamid string, category string, points int) error {
fn := fmt.Sprintf("%s-%s-%d", teamid, category, points)
tmpfn := statePath("points.tmp", fn)
newfn := statePath("points.new", fn)
contents := fmt.Sprintf("%d %s %s %d\n", time.Now().Unix(), teamid, points)
if err := ioutil.WriteFile(tmpfn, []byte(contents), 0644); err != nil {
return err
}
if err := os.Rename(tmpfn, newfn); err != nil {
return err
}
log.Printf("Award %s %s %d", teamid, category, points)
return nil
}
// collectPoints gathers up files in points.new/ and appends their contents to points.log,
// removing each points.new/ file as it goes.
func collectPoints() {
logf, err := os.OpenFile(statePath("points.log"), os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
log.Printf("Can't append to points log: %s", err)
return
}
defer logf.Close()
files, err := ioutil.ReadDir(statePath("points.new"))
if err != nil {
log.Printf("Error reading packages: %s", err)
}
for _, f := range files {
filename := statePath("points.new", f.Name())
s, err := ioutil.ReadFile(filename)
if err != nil {
log.Printf("Can't read points file %s: %s", filename, err)
continue
}
award, err := ParseAward(string(s))
if err != nil {
log.Printf("Can't parse award file %s: %s", filename, err)
continue
}
fmt.Fprintf(logf, "%s\n", award.String())
log.Print(award.String())
logf.Sync()
if err := os.Remove(filename); err != nil {
log.Printf("Unable to remove %s: %s", filename, err)
}
}
}

46
src/award.go Normal file
View File

@ -0,0 +1,46 @@
package main
import (
"fmt"
"strconv"
"strings"
"time"
)
type Award struct {
When time.Time
TeamId string
Category string
Points int
}
func (a *Award) String() string {
return fmt.Sprintf("%d %s %s %d", a.When.Unix(), a.TeamId, a.Category, a.Points)
}
func ParseAward(s string) (*Award, error) {
ret := Award{}
parts := strings.SplitN(s, " ", 5)
if len(parts) < 4 {
return nil, fmt.Errorf("Malformed award string")
}
whenEpoch, err := strconv.ParseInt(parts[0], 10, 64)
if (err != nil) {
return nil, fmt.Errorf("Malformed timestamp: %s", parts[0])
}
ret.When = time.Unix(whenEpoch, 0)
ret.TeamId = parts[1]
ret.Category = parts[2]
points, err := strconv.Atoi(parts[3])
if (err != nil) {
return nil, fmt.Errorf("Malformed Points: %s", parts[3])
}
ret.Points = points
return &ret, nil
}

34
src/award_test.go Normal file
View File

@ -0,0 +1,34 @@
package main
import (
"testing"
)
func TestAward(t *testing.T) {
entry := "1536958399 1a2b3c4d counting 1"
a, err := ParseAward(entry)
if err != nil {
t.Error(err)
return
}
if a.TeamId != "1a2b3c4d" {
t.Error("TeamID parsed wrong")
}
if a.Category != "counting" {
t.Error("Category parsed wrong")
}
if a.Points != 1 {
t.Error("Points parsed wrong")
}
if a.String() != entry {
t.Error("String conversion wonky")
}
if _, err := ParseAward("bad bad bad 1"); err == nil {
t.Error("Not throwing error on bad timestamp")
}
if _, err := ParseAward("1 bad bad bad"); err == nil {
t.Error("Not throwing error on bad points")
}
}

86
handlers.go → src/handlers.go
View File

@ -7,9 +7,38 @@ import (
"regexp"
"strings"
"strconv"
"io"
"log"
"bufio"
)
func registerHandler(w http.ResponseWriter, req *http.Request) {
// anchoredSearch looks for needle in r,
// skipping the first skip space-delimited words
func anchoredSearch(r io.Reader, needle string, skip int) bool {
scanner := bufio.NewScanner(r)
for scanner.Scan() {
line := scanner.Text()
parts := strings.SplitN(line, " ", skip+1)
if (len(parts) > skip) && (parts[skip] == needle) {
return true
}
}
return false
}
func anchoredSearchFile(filename string, needle string, skip int) bool {
r, err := os.Open(filename)
if err != nil {
return false
}
defer r.Close()
return anchoredSearch(r, needle, skip)
}
func (ctx Instance) registerHandler(w http.ResponseWriter, req *http.Request) {
teamname := req.FormValue("n")
teamid := req.FormValue("h")
@ -22,12 +51,12 @@ func registerHandler(w http.ResponseWriter, req *http.Request) {
return
}
if ! anchoredSearch(statePath("teamids.txt"), teamid, 0) {
if ! anchoredSearchFile(ctx.StatePath("teamids.txt"), teamid, 0) {
showPage(w, "Invalid Team ID", "I don't have a record of that team ID. Maybe you used capital letters accidentally?")
return
}
f, err := os.OpenFile(statePath("state", teamid), os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0644)
f, err := os.OpenFile(ctx.StatePath(teamid), os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0644)
if err != nil {
showPage(
w,
@ -41,12 +70,12 @@ func registerHandler(w http.ResponseWriter, req *http.Request) {
showPage(w, "Success", "Okay, your team has been named and you may begin using your team ID!")
}
func tokenHandler(w http.ResponseWriter, req *http.Request) {
func (ctx Instance) tokenHandler(w http.ResponseWriter, req *http.Request) {
teamid := req.FormValue("t")
token := req.FormValue("k")
// Check answer
if ! anchoredSearch(token, statePath("tokens.txt"), 0) {
if ! anchoredSearchFile(ctx.StatePath("tokens.txt"), token, 0) {
showPage(w, "Unrecognized token", "I don't recognize that token. Did you type in the whole thing?")
return
}
@ -72,14 +101,14 @@ func tokenHandler(w http.ResponseWriter, req *http.Request) {
return
}
if err := awardPoints(teamid, category, points); err != nil {
if err := ctx.AwardPoints(teamid, category, points); err != nil {
showPage(w, "Error awarding points", err.Error())
return
}
showPage(w, "Points awarded", fmt.Sprintf("%d points for %s!", points, teamid))
}
func answerHandler(w http.ResponseWriter, req *http.Request) {
func (ctx Instance) answerHandler(w http.ResponseWriter, req *http.Request) {
teamid := req.FormValue("t")
category := req.FormValue("c")
pointstr := req.FormValue("p")
@ -90,41 +119,51 @@ func answerHandler(w http.ResponseWriter, req *http.Request) {
points = 0
}
// Defang category name; prevent directory traversal
if matched, _ := regexp.MatchString("^[A-Za-z0-9_-]", category); matched {
category = ""
catmb, ok := ctx.Categories[category]
if ! ok {
showPage(w, "Category does not exist", "The specified category does not exist. Sorry!")
return
}
// Check answer
needle := fmt.Sprintf("%s %s", points, answer)
haystack := cachePath(category, "answers.txt")
// Get the answers
haystack, err := catmb.Open("answers.txt")
if err != nil {
showPage(w, "Answers do not exist",
"Please tell the contest people that the mothball for this category has no answers.txt in it!")
return
}
defer haystack.Close()
// Look for the answer
needle := fmt.Sprintf("%d %s", points, answer)
if ! anchoredSearch(haystack, needle, 0) {
showPage(w, "Wrong answer", err.Error())
return
}
if err := awardPoints(teamid, category, points); err != nil {
if err := ctx.AwardPoints(teamid, category, points); err != nil {
showPage(w, "Error awarding points", err.Error())
return
}
showPage(w, "Points awarded", fmt.Sprintf("%d points for %s!", points, teamid))
}
func puzzlesHandler(w http.ResponseWriter, req *http.Request) {
func (ctx Instance) puzzlesHandler(w http.ResponseWriter, req *http.Request) {
puzzles := map[string][]interface{}{}
// v := map[string][]interface{}{"Moo": {1, "0177f85ae895a33e2e7c5030c3dc484e8173e55c"}}
// j, _ := json.Marshal(v)
for _, category := range categories {
for _, category := range ctx.Categories {
log.Print(puzzles, category)
}
}
func pointsHandler(w http.ResponseWriter, req *http.Request) {
func (ctx Instance) pointsHandler(w http.ResponseWriter, req *http.Request) {
}
// staticHandler serves up static files.
func rootHandler(w http.ResponseWriter, req *http.Request) {
func (ctx Instance) rootHandler(w http.ResponseWriter, req *http.Request) {
if req.URL.Path == "/" {
showPage(
w,
@ -150,3 +189,12 @@ func rootHandler(w http.ResponseWriter, req *http.Request) {
http.NotFound(w, req)
}
func (ctx Instance) BindHandlers(mux *http.ServeMux) {
mux.HandleFunc(ctx.Base + "/", ctx.rootHandler)
mux.HandleFunc(ctx.Base + "/register", ctx.registerHandler)
mux.HandleFunc(ctx.Base + "/token", ctx.tokenHandler)
mux.HandleFunc(ctx.Base + "/answer", ctx.answerHandler)
mux.HandleFunc(ctx.Base + "/puzzles.json", ctx.puzzlesHandler)
mux.HandleFunc(ctx.Base + "/points.json", ctx.pointsHandler)
}

114
src/instance.go Normal file
View File

@ -0,0 +1,114 @@
package main
import (
"os"
"log"
"bufio"
"fmt"
"time"
"io/ioutil"
"path"
"strings"
)
type Instance struct {
Base string
MothballDir string
StateDir string
Categories map[string]*Mothball
}
func NewInstance(base, mothballDir, stateDir string) (*Instance, error) {
ctx := &Instance{
Base: strings.TrimRight(base, "/"),
MothballDir: mothballDir,
StateDir: stateDir,
}
// Roll over and die if directories aren't even set up
if _, err := os.Stat(mothballDir); err != nil {
return nil, err
}
if _, err := os.Stat(stateDir); err != nil {
return nil, err
}
ctx.Initialize()
return ctx, nil
}
func (ctx *Instance) Initialize () {
// Make sure points directories exist
os.Mkdir(ctx.StatePath("points.tmp"), 0755)
os.Mkdir(ctx.StatePath("points.new"), 0755)
// Preseed available team ids if file doesn't exist
if f, err := os.OpenFile(ctx.StatePath("teamids.txt"), os.O_WRONLY | os.O_CREATE | os.O_EXCL, 0644); err == nil {
defer f.Close()
for i := 0; i <= 9999; i += 1 {
fmt.Fprintf(f, "%04d\n", i)
}
}
if f, err := os.OpenFile(ctx.StatePath("initialized"), os.O_WRONLY | os.O_CREATE | os.O_EXCL, 0644); err == nil {
defer f.Close()
fmt.Println("Remove this file to reinitialize the contest")
}
}
func (ctx Instance) MothballPath(parts ...string) string {
tail := path.Join(parts...)
return path.Join(ctx.MothballDir, tail)
}
func (ctx *Instance) StatePath(parts ...string) string {
tail := path.Join(parts...)
return path.Join(ctx.StateDir, tail)
}
func (ctx *Instance) PointsLog() []Award {
var ret []Award
fn := ctx.StatePath("points.log")
f, err := os.Open(fn)
if err != nil {
log.Printf("Unable to open %s: %s", fn, err)
return ret
}
defer f.Close()
scanner := bufio.NewScanner(f)
for scanner.Scan() {
line := scanner.Text()
cur, err := ParseAward(line)
if err != nil {
log.Printf("Skipping malformed award line %s: %s", line, err)
continue
}
ret = append(ret, *cur)
}
return ret
}
// awardPoints gives points points to team teamid in category category
func (ctx *Instance) AwardPoints(teamid string, category string, points int) error {
fn := fmt.Sprintf("%s-%s-%d", teamid, category, points)
tmpfn := ctx.StatePath("points.tmp", fn)
newfn := ctx.StatePath("points.new", fn)
contents := fmt.Sprintf("%d %s %s %d\n", time.Now().Unix(), teamid, category, points)
if err := ioutil.WriteFile(tmpfn, []byte(contents), 0644); err != nil {
return err
}
if err := os.Rename(tmpfn, newfn); err != nil {
return err
}
log.Printf("Award %s %s %d", teamid, category, points)
return nil
}

1
src/instance_test.go Normal file
View File

@ -0,0 +1 @@
package main

105
src/maintenance.go Normal file
View File

@ -0,0 +1,105 @@
package main
import (
"log"
"io/ioutil"
"time"
"os"
"strings"
"fmt"
)
// maintenance runs
func (ctx *Instance) Tidy() {
// Skip if we've been disabled
if _, err := os.Stat(ctx.StatePath("disabled")); err == nil {
log.Print("disabled file found, suspending maintenance")
return
}
// Skip if we've expired
untilspec, err := ioutil.ReadFile(ctx.StatePath("until"))
if err == nil {
until, err := time.Parse(time.RFC3339, string(untilspec))
if err != nil {
log.Printf("Unparseable date in until file: %v", until)
} else {
if until.Before(time.Now()) {
log.Print("until file time reached, suspending maintenance")
return
}
}
}
// Any new categories?
files, err := ioutil.ReadDir(ctx.MothballPath())
if err != nil {
log.Printf("Error listing mothballs: %s", err)
}
for _, f := range files {
filename := f.Name()
filepath := ctx.MothballPath(filename)
if ! strings.HasSuffix(filename, ".mb") {
continue
}
categoryName := strings.TrimSuffix(filename, ".mb")
if _, ok := ctx.Categories[categoryName]; !ok {
mb, err := OpenMothball(filepath)
if err != nil {
log.Printf("Error opening %s: %s", filepath, err)
continue
}
ctx.Categories[categoryName] = mb
}
}
// Any old categories?
log.Print("XXX: Check for and reap old categories")
ctx.CollectPoints()
}
// collectPoints gathers up files in points.new/ and appends their contents to points.log,
// removing each points.new/ file as it goes.
func (ctx *Instance) CollectPoints() {
logf, err := os.OpenFile(ctx.StatePath("points.log"), os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
log.Printf("Can't append to points log: %s", err)
return
}
defer logf.Close()
files, err := ioutil.ReadDir(ctx.StatePath("points.new"))
if err != nil {
log.Printf("Error reading packages: %s", err)
}
for _, f := range files {
filename := ctx.StatePath("points.new", f.Name())
s, err := ioutil.ReadFile(filename)
if err != nil {
log.Printf("Can't read points file %s: %s", filename, err)
continue
}
award, err := ParseAward(string(s))
if err != nil {
log.Printf("Can't parse award file %s: %s", filename, err)
continue
}
fmt.Fprintf(logf, "%s\n", award.String())
log.Print("XXX: check for duplicates", award.String())
logf.Sync()
if err := os.Remove(filename); err != nil {
log.Printf("Unable to remove %s: %s", filename, err)
}
}
}
// maintenance is the goroutine that runs a periodic maintenance task
func (ctx *Instance) Maintenance(maintenanceInterval time.Duration) {
for ;; time.Sleep(maintenanceInterval) {
ctx.Tidy()
}
}

9
src/moth-init
View File

@ -1,9 +0,0 @@
#! /bin/sh
while true; do
/moth/bin/once
sleep 20
done &
cd /moth/www
s6-tcpserver -u $(id -u www) -g $(id -g www) 0.0.0.0 80 /usr/bin/eris -c -d -.

18
src/mothball/mothball.go → src/mothball.go
View File

@ -1,9 +1,10 @@
package mothball
package main
import (
"archive/zip"
"fmt"
"io"
"io/ioutil"
"os"
"time"
)
@ -14,7 +15,7 @@ type Mothball struct {
mtime time.Time
}
func Open(filename string) (*Mothball, error) {
func OpenMothball(filename string) (*Mothball, error) {
var m Mothball
m.filename = filename
@ -38,7 +39,7 @@ func (m *Mothball) Refresh() (error) {
}
mtime := info.ModTime()
if mtime == m.mtime {
if ! mtime.After(m.mtime) {
return nil
}
@ -65,3 +66,14 @@ func (m *Mothball) Open(filename string) (io.ReadCloser, error) {
}
return nil, fmt.Errorf("File not found: %s in %s", filename, m.filename)
}
func (m *Mothball) ReadFile(filename string) ([]byte, error) {
f, err := m.Open(filename)
if err != nil {
return nil, err
}
defer f.Close()
bytes, err := ioutil.ReadAll(f)
return bytes, err
}

4
src/mothball/mothball_test.go → src/mothball_test.go
View File

@ -1,4 +1,4 @@
package mothball
package main
import (
"archive/zip"
@ -35,7 +35,7 @@ func TestMothball(t *testing.T) {
tf.Close()
// Now read it in
mb, err := Open(tf.Name())
mb, err := OpenMothball(tf.Name())
if err != nil {
t.Error(err)
return

14
src/mothd
View File

@ -1,14 +0,0 @@
#! /bin/sh
cd ${1:-$(dirname $0)}
KOTH_BASE=$(pwd)
echo "Running koth instances in $KOTH_BASE"
while true; do
for i in $KOTH_BASE/*/assigned.txt; do
dir=${i%/*}
$dir/bin/once
done
sleep 5
done

86
src/mothd.go Normal file
View File

@ -0,0 +1,86 @@
package main
import (
"flag"
"fmt"
"log"
"net/http"
"time"
)
func showPage(w http.ResponseWriter, title string, body string) {
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, "<!DOCTYPE html>")
fmt.Fprintf(w, "<html><head>")
fmt.Fprintf(w, "<title>%s</title>", title)
fmt.Fprintf(w, "<link rel=\"stylesheet\" href=\"static/style.css\">")
fmt.Fprintf(w, "<meta name=\"viewport\" content=\"width=device-width\"></head>")
fmt.Fprintf(w, "<link rel=\"icon\" href=\"res/luna-moth.svg\" type=\"image/svg+xml\">")
fmt.Fprintf(w, "<link rel=\"icon\" href=\"res/luna-moth.png\" type=\"image/png\">")
fmt.Fprintf(w, "<body><h1>%s</h1>", title)
fmt.Fprintf(w, "<section>%s</section>", body)
fmt.Fprintf(w, "<nav>")
fmt.Fprintf(w, "<ul>")
fmt.Fprintf(w, "<li><a href=\"static/puzzles.html\">Puzzles</a></li>")
fmt.Fprintf(w, "<li><a href=\"static/scoreboard.html\">Scoreboard</a></li>")
fmt.Fprintf(w, "</ul>")
fmt.Fprintf(w, "</nav>")
fmt.Fprintf(w, "</body></html>")
}
func logRequest(handler http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
log.Printf("HTTP %s %s %s\n", r.RemoteAddr, r.Method, r.URL)
handler.ServeHTTP(w, r)
})
}
func setup() error {
return nil
}
func main() {
base := flag.String(
"base",
"/",
"Base URL of this instance",
)
mothballDir := flag.String(
"mothballs",
"/moth/mothballs",
"Path to read mothballs",
)
stateDir := flag.String(
"state",
"/moth/state",
"Path to write state",
)
maintenanceInterval := flag.Duration(
"maint",
20 * time.Second,
"Maintenance interval",
)
listen := flag.String(
"listen",
":80",
"[host]:port to bind and listen",
)
flag.Parse()
if err := setup(); err != nil {
log.Fatal(err)
}
ctx, err := NewInstance(*base, *mothballDir, *stateDir)
if err != nil {
log.Fatal(err)
}
ctx.BindHandlers(http.DefaultServeMux)
go ctx.Maintenance(*maintenanceInterval)
log.Printf("Listening on %s", *listen)
log.Fatal(http.ListenAndServe(*listen, logRequest(http.DefaultServeMux)))
}