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cowyo/main.go

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package main
import (
"bytes"
"flag"
"fmt"
"io"
"io/ioutil"
"os"
"path"
"path/filepath"
"github.com/boltdb/bolt"
"github.com/gin-gonic/contrib/sessions"
"github.com/gin-gonic/gin"
)
// AllowedIPs is a white/black list of
// IP addresses allowed to access cowyo
var AllowedIPs = map[string]bool{
"192.168.1.13": true,
"192.168.1.12": true,
"192.168.1.2": true,
}
// RuntimeArgs contains all runtime
// arguments available
var RuntimeArgs struct {
WikiName string
ExternalIP string
Port string
DatabaseLocation string
ServerCRT string
ServerKey string
SourcePath string
AdminKey string
Socket string
ForceWss bool
DumpDataset string
RestoreDataset string
}
var VersionNum string
func init() {
gin.SetMode(gin.ReleaseMode)
}
func main() {
VersionNum = "1.1"
// _, executableFile, _, _ := runtime.Caller(0) // get full path of this file
cwd, _ := os.Getwd()
databaseFile := path.Join(cwd, "data.db")
flag.StringVar(&RuntimeArgs.Port, "p", ":8003", "port to bind")
flag.StringVar(&RuntimeArgs.DatabaseLocation, "db", databaseFile, "location of database file")
flag.StringVar(&RuntimeArgs.AdminKey, "a", "", "key to access admin privaleges")
flag.StringVar(&RuntimeArgs.ServerCRT, "crt", "", "location of SSL certificate")
flag.StringVar(&RuntimeArgs.ServerKey, "key", "", "location of SSL key")
flag.StringVar(&RuntimeArgs.WikiName, "w", "cowyo", "custom name for wiki")
flag.BoolVar(&RuntimeArgs.ForceWss, "e", false, "force encrypted sockets (use if using Caddy auto HTTPS)")
flag.StringVar(&RuntimeArgs.DumpDataset, "dump", "", "directory to dump all data to")
flag.StringVar(&RuntimeArgs.RestoreDataset, "restore", "", "directory to restore all data from")
flag.CommandLine.Usage = func() {
fmt.Println(`cowyo (version ` + VersionNum + `)
Usage: cowyo [options] [address]
If address is not provided then cowyo
will determine the best internal IP address.
Example: 'cowyo'
Example: 'cowyo yourserver.com'
Example: 'cowyo -p :8080 localhost:8080'
Example: 'cowyo -p :8080 -crt ssl/server.crt -key ssl/server.key localhost:8080'
Options:`)
flag.CommandLine.PrintDefaults()
}
flag.Parse()
if len(RuntimeArgs.DumpDataset) > 0 {
fmt.Println("Dumping data to '" + RuntimeArgs.DumpDataset + "' folder...")
dumpEverything(RuntimeArgs.DumpDataset)
os.Exit(1)
}
RuntimeArgs.ExternalIP = flag.Arg(0)
if RuntimeArgs.ExternalIP == "" {
RuntimeArgs.ExternalIP = GetLocalIP() + RuntimeArgs.Port
}
RuntimeArgs.SourcePath = cwd
if len(RuntimeArgs.AdminKey) == 0 {
RuntimeArgs.AdminKey = RandStringBytesMaskImprSrc(50)
}
// create programdata bucket
Open(RuntimeArgs.DatabaseLocation)
err := db.Update(func(tx *bolt.Tx) error {
_, err := tx.CreateBucketIfNotExists([]byte("programdata"))
if err != nil {
return fmt.Errorf("create bucket: %s", err)
}
return err
})
if err != nil {
panic(err)
}
Close()
// Default page
defaultPage, _ := ioutil.ReadFile(path.Join(RuntimeArgs.SourcePath, "templates/aboutpage.md"))
p := WikiData{"help", "", []string{}, []string{}, false, "zzz"}
p.save(string(defaultPage))
defaultPage, _ = ioutil.ReadFile(path.Join(RuntimeArgs.SourcePath, "templates/privacypolicy.md"))
p = WikiData{"privacypolicy", "", []string{}, []string{}, false, "zzz"}
p.save(string(defaultPage))
if len(RuntimeArgs.RestoreDataset) > 0 {
fmt.Println("Restoring data from '" + RuntimeArgs.RestoreDataset + "' folder...")
filepath.Walk(RuntimeArgs.RestoreDataset, restoreFile)
os.Exit(1)
}
// var q WikiData
// q.load("about")
// fmt.Println(getImportantVersions(q))
r := gin.Default()
r.LoadHTMLGlob(path.Join(RuntimeArgs.SourcePath, "templates/*"))
store := sessions.NewCookieStore([]byte("secret"))
r.Use(sessions.Sessions("mysession", store))
r.GET("/", newNote)
r.HEAD("/", func(c *gin.Context) { c.Status(200) })
r.GET("/:title", editNote)
r.PUT("/:title", putFile)
r.PUT("/", putFile)
r.GET("/:title/*option", everythingElse)
r.POST("/:title/*option", encryptionRoute)
r.DELETE("/listitem", deleteListItem)
r.DELETE("/deletepage", deletePage)
if RuntimeArgs.ServerCRT != "" && RuntimeArgs.ServerKey != "" {
RuntimeArgs.Socket = "wss"
fmt.Println("--------------------------")
fmt.Println("cowyo (version " + VersionNum + ") is up and running on https://" + RuntimeArgs.ExternalIP)
fmt.Println("Admin key: " + RuntimeArgs.AdminKey)
fmt.Println("--------------------------")
r.RunTLS(RuntimeArgs.Port, RuntimeArgs.ServerCRT, RuntimeArgs.ServerKey)
} else {
RuntimeArgs.Socket = "ws"
if RuntimeArgs.ForceWss {
RuntimeArgs.Socket = "wss"
}
fmt.Println("--------------------------")
fmt.Println("cowyo (version " + VersionNum + ") is up and running on http://" + RuntimeArgs.ExternalIP)
fmt.Println("Admin key: " + RuntimeArgs.AdminKey)
fmt.Println("--------------------------")
r.Run(RuntimeArgs.Port)
}
}
func restoreFile(path string, f os.FileInfo, err error) error {
fName := filepath.Base(path)
buf := bytes.NewBuffer(nil)
fOpen, _ := os.Open(path) // Error handling elided for brevity.
io.Copy(buf, fOpen) // Error handling elided for brevity.
fOpen.Close()
s := string(buf.Bytes())
fmt.Println(fName)
p := WikiData{fName, "", []string{}, []string{}, false, ""}
p.save(s)
return nil
}