Files
ledger-quicknote/main.go
2022-11-04 22:45:57 +08:00

149 lines
3.1 KiB
Go

package main
import (
"encoding/base64"
"flag"
"log"
"net/http"
"text/template"
"github.com/gin-gonic/gin"
"github.com/gorilla/securecookie"
"github.com/lancatlin/ledger-quicknote/auth"
)
var ledgerTpl *template.Template
var htmlTpl *template.Template
var LEDGER_FILE string
var LEDGER_INIT string
var WORKING_DIR string
var HOST string
var store auth.AuthStore
const HTPASSWD_FILE = ".htpasswd"
type UserLogin struct {
IsLogin bool
Email string `form:"email" binding:"required"`
Password string `form:"password" binding:"required"`
}
func init() {
ledgerTpl = template.Must(template.ParseGlob("tx/*"))
flag.StringVar(&LEDGER_FILE, "f", "example.txt", "ledger journal file to write")
flag.StringVar(&LEDGER_INIT, "i", "", "ledger initiation file")
flag.StringVar(&WORKING_DIR, "w", "", "ledger working directory")
flag.StringVar(&HOST, "b", "127.0.0.1:8000", "binding address")
var hashKeyString string
flag.StringVar(&hashKeyString, "s", "", "session secret")
flag.Parse()
var hashKey []byte
var err error
if hashKeyString == "" {
hashKey = securecookie.GenerateRandomKey(32)
log.Printf("Generate random session key: %s", base64.StdEncoding.EncodeToString(hashKey))
} else {
hashKey, err = base64.StdEncoding.DecodeString(hashKeyString)
if err != nil {
panic(err)
}
}
store, err = auth.New(HTPASSWD_FILE, hashKey)
if err != nil {
panic(err)
}
}
func main() {
r := gin.Default()
r.HTMLRender = loadTemplates("templates")
r.GET("/", func(c *gin.Context) {
HTML(c, 200, "index.html", nil)
})
r.GET("/signup", func(c *gin.Context) {
HTML(c, 200, "signup.html", nil)
})
r.GET("/signin", func(c *gin.Context) {
HTML(c, 200, "signin.html", nil)
})
r.POST("/signup", signup)
r.POST("/signin", signin)
authZone := r.Group("", authenticate)
authZone.GET("/dashboard", func(c *gin.Context) {
HTML(c, 200, "dashboard.html", struct {
Templates []*template.Template
Scripts map[string][]string
}{
ledgerTpl.Templates(),
SCRIPTS,
})
})
authZone.POST("/new", func(c *gin.Context) {
var data TxData
if err := c.ShouldBind(&data); err != nil {
c.AbortWithError(400, err)
return
}
tx, err := newTx(data)
if err != nil {
c.AbortWithError(400, err)
log.Println(err, c.Request.Form)
return
}
HTML(c, 200, "new.html", struct {
Tx string
}{tx})
})
authZone.POST("/submit", func(c *gin.Context) {
tx := c.PostForm("tx")
if err := appendToFile(tx); err != nil {
c.AbortWithError(500, err)
return
}
HTML(c, 200, "success.html", struct {
Tx string
}{tx})
})
authZone.GET("/exec", func(c *gin.Context) {
name, _ := c.GetQuery("name")
if err := executeScript(c.Writer, name); err != nil {
c.AbortWithError(500, err)
log.Println(err)
return
}
})
log.Fatal(r.Run(HOST))
}
func authenticate(c *gin.Context) {
cookie, err := c.Cookie("session")
if err == http.ErrNoCookie {
c.Redirect(303, "/signin")
return
}
session, err := store.Verify(cookie)
if err != nil {
c.Redirect(303, "/signin")
return
}
c.Set("user", UserLogin{
Email: session.User,
})
c.Next()
}