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jfa-go/pwreset.go
Harvey Tindall 95db48d8f8
start main app integration, restructure build process
the backend code has been added back in, and the build process has been
modified so that no output files are left outside of build/. Admin page
loads and logs in correctly, nothing else functionality-wise yet.
2020-12-29 18:42:26 +00:00

106 lines
3.0 KiB
Go

package main
import (
"encoding/json"
"io/ioutil"
"os"
"strings"
"time"
"github.com/fsnotify/fsnotify"
)
func (app *appContext) StartPWR() {
app.info.Println("Starting password reset daemon")
path := app.config.Section("password_resets").Key("watch_directory").String()
if _, err := os.Stat(path); os.IsNotExist(err) {
app.err.Printf("Failed to start password reset daemon: Directory \"%s\" doesn't exist", path)
return
}
watcher, err := fsnotify.NewWatcher()
if err != nil {
app.err.Printf("Couldn't initialise password reset daemon")
return
}
defer watcher.Close()
done := make(chan bool)
go pwrMonitor(app, watcher)
err = watcher.Add(path)
if err != nil {
app.err.Printf("Failed to start password reset daemon: %s", err)
}
<-done
}
// PasswordReset represents a passwordreset-xyz.json file generated by Jellyfin.
type PasswordReset struct {
Pin string `json:"Pin"`
Username string `json:"UserName"`
Expiry time.Time `json:"ExpirationDate"`
}
func pwrMonitor(app *appContext, watcher *fsnotify.Watcher) {
for {
select {
case event, ok := <-watcher.Events:
if !ok {
return
}
if event.Op&fsnotify.Write == fsnotify.Write && strings.Contains(event.Name, "passwordreset") {
var pwr PasswordReset
data, err := ioutil.ReadFile(event.Name)
if err != nil {
return
}
err = json.Unmarshal(data, &pwr)
if len(pwr.Pin) == 0 || err != nil {
return
}
app.info.Printf("New password reset for user \"%s\"", pwr.Username)
if currentTime := time.Now(); pwr.Expiry.After(currentTime) {
user, status, err := app.jf.UserByName(pwr.Username, false)
if !(status == 200 || status == 204) || err != nil {
app.err.Printf("Failed to get users from Jellyfin: Code %d", status)
app.debug.Printf("Error: %s", err)
return
}
app.storage.loadEmails()
var address string
uid := user["Id"]
if uid == nil {
app.err.Printf("Couldn't get user ID for user \"%s\"", pwr.Username)
app.debug.Printf("user maplength: %d", len(user))
return
}
addr, ok := app.storage.emails[user["Id"].(string)]
if !ok || addr == nil {
app.err.Printf("Couldn't find email for user \"%s\". Make sure it's set", pwr.Username)
return
}
address = addr.(string)
msg, err := app.email.constructReset(pwr, app)
if err != nil {
app.err.Printf("Failed to construct password reset email for %s", pwr.Username)
app.debug.Printf("%s: Error: %s", pwr.Username, err)
} else if err := app.email.send(address, msg); err != nil {
app.err.Printf("Failed to send password reset email to \"%s\"", address)
app.debug.Printf("%s: Error: %s", pwr.Username, err)
} else {
app.info.Printf("Sent password reset email to \"%s\"", address)
}
} else {
app.err.Printf("Password reset for user \"%s\" has already expired (%s). Check your time settings.", pwr.Username, pwr.Expiry)
}
}
case err, ok := <-watcher.Errors:
if !ok {
return
}
app.err.Printf("Password reset daemon: %s", err)
}
}
}