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mycorrhiza/user/files.go

90 lines
1.9 KiB
Go

package user
import (
"encoding/json"
"io/ioutil"
"log"
"os"
"github.com/adrg/xdg"
"github.com/bouncepaw/mycorrhiza/util"
)
// ReadUsersFromFilesystem reads all user information from filesystem and stores it internally. Call it during initialization.
func ReadUsersFromFilesystem() {
rememberUsers(usersFromFixedCredentials())
readTokensToUsers()
}
func usersFromFixedCredentials() []*User {
var users []*User
contents, err := ioutil.ReadFile(util.FixedCredentialsPath)
if err != nil {
log.Fatal(err)
}
err = json.Unmarshal(contents, &users)
if err != nil {
log.Fatal(err)
}
log.Println("Found", len(users), "fixed users")
return users
}
func rememberUsers(uu []*User) {
// uu is used to not shadow the `users` in `users.go`.
for _, user := range uu {
users.Store(user.Name, user)
}
}
func readTokensToUsers() {
contents, err := ioutil.ReadFile(tokenStoragePath())
if os.IsNotExist(err) {
return
}
if err != nil {
log.Fatal(err)
}
var tmp map[string]string
err = json.Unmarshal(contents, &tmp)
if err != nil {
log.Fatal(err)
}
for token, username := range tmp {
commenceSession(username, token)
}
log.Println("Found", len(tmp), "active sessions")
}
// Return path to tokens.json. Creates folders if needed.
func tokenStoragePath() string {
dir, err := xdg.DataFile("mycorrhiza/tokens.json")
if err != nil {
// Yes, it is unix-only, but function above rarely fails, so this block is probably never reached.
path := "/home/" + os.Getenv("HOME") + "/.local/share/mycorrhiza/tokens.json"
os.MkdirAll(path, 0777)
return path
}
return dir
}
func dumpTokens() {
tmp := make(map[string]string)
tokens.Range(func(k, v interface{}) bool {
token := k.(string)
username := v.(string)
tmp[token] = username
return true
})
blob, err := json.Marshal(tmp)
if err != nil {
log.Println(err)
} else {
ioutil.WriteFile(tokenStoragePath(), blob, 0644)
}
}