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make checkInvite check only one invite, invite daemon

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checkInvite no longer loops over all invites and checks for expiry, that
functionality has moved to checkInvites. Couple more rogue print
statements removed aswell.
This commit is contained in:
Harvey Tindall 2020-08-01 15:22:30 +01:00
parent dba20bd3ea
commit 4e16f6fd48
6 changed files with 113 additions and 71 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
api.go
View File

@ -76,12 +76,11 @@ func timeDiff(a, b time.Time) (year, month, day, hour, min, sec int) {
return
}
func (ctx *appContext) checkInvite(code string, used bool, username string) bool {
func (ctx *appContext) checkInvites() {
current_time := time.Now()
ctx.storage.loadInvites()
match := false
changed := false
for invCode, data := range ctx.storage.invites {
for code, data := range ctx.storage.invites {
expiry := data.ValidTill
if current_time.After(expiry) {
ctx.debug.Printf("Housekeeping: Deleting old invite %s", code)
@ -90,7 +89,7 @@ func (ctx *appContext) checkInvite(code string, used bool, username string) bool
ctx.debug.Printf("%s: Expiry notification", code)
for address, settings := range notify {
if settings["notify-expiry"] {
if ctx.email.constructExpiry(invCode, data, ctx) != nil {
if ctx.email.constructExpiry(code, data, ctx) != nil {
ctx.err.Printf("%s: Failed to construct expiry notification", code)
} else if ctx.email.send(address, ctx) != nil {
ctx.err.Printf("%s: Failed to send expiry notification", code)
@ -101,25 +100,54 @@ func (ctx *appContext) checkInvite(code string, used bool, username string) bool
}
}
changed = true
delete(ctx.storage.invites, invCode)
} else if invCode == code {
match = true
if used {
delete(ctx.storage.invites, code)
}
}
if changed {
ctx.storage.storeInvites()
}
}
func (ctx *appContext) checkInvite(code string, used bool, username string) bool {
current_time := time.Now()
ctx.storage.loadInvites()
changed := false
if inv, match := ctx.storage.invites[code]; match {
expiry := inv.ValidTill
if current_time.After(expiry) {
ctx.debug.Printf("Housekeeping: Deleting old invite %s", code)
notify := inv.Notify
if ctx.config.Section("notifications").Key("enabled").MustBool(false) && len(notify) != 0 {
ctx.debug.Printf("%s: Expiry notification", code)
for address, settings := range notify {
if settings["notify-expiry"] {
if ctx.email.constructExpiry(code, inv, ctx) != nil {
ctx.err.Printf("%s: Failed to construct expiry notification", code)
} else if ctx.email.send(address, ctx) != nil {
ctx.err.Printf("%s: Failed to send expiry notification", code)
} else {
ctx.info.Printf("Sent expiry notification to %s", address)
}
}
}
}
changed = true
match = false
delete(ctx.storage.invites, code)
} else if used {
changed = true
del := false
newInv := data
newInv := inv
if newInv.RemainingUses == 1 {
del = true
delete(ctx.storage.invites, invCode)
delete(ctx.storage.invites, code)
} else if newInv.RemainingUses != 0 {
// 0 means infinite i guess?
newInv.RemainingUses -= 1
}
newInv.UsedBy = append(newInv.UsedBy, []string{username, ctx.formatDatetime(current_time)})
if !del {
ctx.storage.invites[invCode] = newInv
}
}
ctx.storage.invites[code] = newInv
}
}
if changed {
@ -127,6 +155,8 @@ func (ctx *appContext) checkInvite(code string, used bool, username string) bool
}
return match
}
return false
}
// Routes from now on!
@ -270,12 +300,8 @@ func (ctx *appContext) GenerateInvite(gc *gin.Context) {
func (ctx *appContext) GetInvites(gc *gin.Context) {
ctx.debug.Println("Invites requested")
current_time := time.Now()
// checking one checks all of them
ctx.storage.loadInvites()
for key := range ctx.storage.invites {
ctx.checkInvite(key, false, "")
break
}
ctx.checkInvites()
var invites []map[string]interface{}
for code, inv := range ctx.storage.invites {
_, _, days, hours, minutes, _ := timeDiff(inv.ValidTill, current_time)

3
auth.go
View File

@ -16,9 +16,6 @@ func (ctx *appContext) webAuth() gin.HandlerFunc {
}
func (ctx *appContext) authenticate(gc *gin.Context) {
for _, val := range ctx.users {
fmt.Println("userid", val.UserID)
}
header := strings.SplitN(gc.Request.Header.Get("Authorization"), " ", 2)
if header[0] != "Basic" {
ctx.debug.Println("Invalid authentication header")

50
daemon.go Normal file
View File

@ -0,0 +1,50 @@
package main
import "time"
// https://bbengfort.github.io/snippets/2016/06/26/background-work-goroutines-timer.html THANKS
type Repeater struct {
Stopped bool
ShutdownChannel chan string
Interval time.Duration
period time.Duration
ctx *appContext
}
func NewRepeater(interval time.Duration, ctx *appContext) *Repeater {
return &Repeater{
Stopped: false,
ShutdownChannel: make(chan string),
Interval: interval,
period: interval,
ctx: ctx,
}
}
func (rt *Repeater) Run() {
rt.ctx.info.Println("Invite daemon started")
for {
select {
case <-rt.ShutdownChannel:
rt.ShutdownChannel <- "Down"
return
case <-time.After(rt.period):
break
}
started := time.Now()
rt.ctx.storage.loadInvites()
rt.ctx.debug.Println("Daemon: Checking invites")
rt.ctx.checkInvites()
finished := time.Now()
duration := finished.Sub(started)
rt.period = rt.Interval - duration
}
}
func (rt *Repeater) Shutdown() {
rt.Stopped = true
rt.ShutdownChannel <- "Down"
<-rt.ShutdownChannel
close(rt.ShutdownChannel)
}

40
email.go
View File

@ -73,7 +73,6 @@ func (email *Emailer) constructInvite(code string, invite Invite, ctx *appContex
fpath := ctx.config.Section("invite_emails").Key("email_" + key).String()
tpl, err := template.ParseFiles(fpath)
if err != nil {
fmt.Println("failed email", err)
return err
}
var tplData bytes.Buffer
@ -85,7 +84,6 @@ func (email *Emailer) constructInvite(code string, invite Invite, ctx *appContex
"message": message,
})
if err != nil {
fmt.Println("failed email", err)
return err
}
if key == "html" {
@ -105,7 +103,6 @@ func (email *Emailer) constructExpiry(code string, invite Invite, ctx *appContex
fpath := ctx.config.Section("notifications").Key("expiry_" + key).String()
tpl, err := template.ParseFiles(fpath)
if err != nil {
fmt.Println("failed email", err)
return err
}
var tplData bytes.Buffer
@ -114,7 +111,6 @@ func (email *Emailer) constructExpiry(code string, invite Invite, ctx *appContex
"expiry": expiry,
})
if err != nil {
fmt.Println("failed email", err)
return err
}
if key == "html" {
@ -140,7 +136,6 @@ func (email *Emailer) constructCreated(code, username, address string, invite In
fpath := ctx.config.Section("notifications").Key("created_" + key).String()
tpl, err := template.ParseFiles(fpath)
if err != nil {
fmt.Println("failed email", err)
return err
}
var tplData bytes.Buffer
@ -151,7 +146,6 @@ func (email *Emailer) constructCreated(code, username, address string, invite In
"time": created,
})
if err != nil {
fmt.Println("failed email", err)
return err
}
if key == "html" {
@ -166,33 +160,6 @@ func (email *Emailer) constructCreated(code, username, address string, invite In
func (email *Emailer) send(address string, ctx *appContext) error {
if email.sendMethod == "mailgun" {
// reqData := map[string]string{
// "to": fmt.Sprintf("%s <%s>", "test", email.to),
// "from": email.fromAddr,
// "subject": email.subject,
// }
// if email.sendType == "invite" {
// reqData["text"] = email.invite.text
// reqData["html"] = email.invite.html
// }
// data := &bytes.Buffer{}
// encoder := json.NewEncoder(data)
// encoder.SetEscapeHTML(false)
// err := encoder.Encode(reqData)
// fmt.Println("marshaled:", data)
// if err != nil {
// fmt.Println("Failed marshal:", err, ">", data)
// return err
// }
// var req *http.Request
// req, err = http.NewRequest("POST", ctx.config.Section("mailgun").Key("api_url").String(), data)
// req.SetBasicAuth("api", ctx.config.Section("mailgun").Key("api_key").String())
// var resp *http.Response
// resp, err = email.httpClient.Do(req)
// if err != nil || !(resp.StatusCode == 200 || resp.StatusCode == 204) {
// fmt.Println("failed send:", err, resp.StatusCode)
// fmt.Println("resp:", resp.Header.Get("Content-Encoding"), resp.Body)
// }
message := email.mg.NewMessage(
fmt.Sprintf("%s <%s>", email.fromName, email.fromAddr),
email.content.subject,
@ -201,9 +168,10 @@ func (email *Emailer) send(address string, ctx *appContext) error {
message.SetHtml(email.content.html)
mgctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
defer cancel()
_, id, err := email.mg.Send(mgctx, message)
fmt.Println("mailgun:", id, err)
_, _, err := email.mg.Send(mgctx, message)
if err != nil {
return err
}
}
return nil
}

4
main.go
View File

@ -13,6 +13,7 @@ import (
"log"
"os"
"path/filepath"
"time"
)
// Username is JWT!
@ -193,6 +194,9 @@ func main() {
ctx.email.init(ctx)
inviteDaemon := NewRepeater(time.Duration(60*time.Second), ctx)
go inviteDaemon.Run()
ctx.info.Println("Loading routes")
router := gin.New()

3
storage.go
View File

@ -3,7 +3,6 @@ package main
import (
"encoding/json"
"io/ioutil"
"os"
"time"
)
@ -78,8 +77,6 @@ func loadJSON(path string, obj interface{}) error {
}
func storeJSON(path string, obj interface{}) error {
test := json.NewEncoder(os.Stdout)
test.Encode(obj)
data, err := json.Marshal(obj)
if err != nil {
return err