X-Git-Url: https://git.r.bdr.sh/rbdr/mobius/blobdiff_plain/003a743e6767b3041c3a8321566c3586d73b399a..14d7c1fea979212eb27fe5df19b73415d70a0183:/hotline/user.go?ds=sidebyside diff --git a/hotline/user.go b/hotline/user.go index ff4006a..5b1b705 100644 --- a/hotline/user.go +++ b/hotline/user.go @@ -2,19 +2,17 @@ package hotline import ( "encoding/binary" - "golang.org/x/crypto/bcrypt" - "log" ) -// User flags are stored as a 2 byte bitmap with the following values: +// User flags are stored as a 2 byte bitmap and represent various user states const ( - userFlagAway = 0 // User is away - userFlagAdmin = 1 // User is admin - userFlagRefusePM = 2 // User refuses private messages - userFLagRefusePChat = 3 // User refuses private chat + UserFlagAway = 0 // User is away + UserFlagAdmin = 1 // User is admin + UserFlagRefusePM = 2 // User refuses private messages + UserFlagRefusePChat = 3 // User refuses private chat ) -// fieldOptions flags are sent from v1.5+ clients as part of tranAgreed +// FieldOptions flags are sent from v1.5+ clients as part of TranAgreed const ( refusePM = 0 // User has "Refuse private messages" pref set refuseChat = 1 // User has "Refuse private chat" pref set @@ -58,37 +56,22 @@ func ReadUser(b []byte) (*User, error) { return u, nil } -// DecodeUserString decodes an obfuscated user string from a client +// decodeString decodes an obfuscated user string from a client // e.g. 98 8a 9a 8c 8b => "guest" -func DecodeUserString(obfuText []byte) (clearText string) { +func decodeString(obfuText []byte) (clearText string) { for _, char := range obfuText { clearText += string(rune(255 - uint(char))) } return clearText } -// negateString takes []byte s containing cleartext and rotates by 255 into obfuscated cleartext. +// encodeString takes []byte s containing cleartext and rotates by 255 into obfuscated cleartext. // The Hotline protocol uses this format for sending passwords over network. // Not secure, but hey, it was the 90s! -func negateString(clearText []byte) []byte { +func encodeString(clearText []byte) []byte { obfuText := make([]byte, len(clearText)) for i := 0; i < len(clearText); i++ { obfuText[i] = 255 - clearText[i] } return obfuText } - -func hashAndSalt(pwd []byte) string { - // Use GenerateFromPassword to hash & salt pwd. - // MinCost is just an integer constant provided by the bcrypt - // package along with DefaultCost & MaxCost. - // The cost can be any value you want provided it isn't lower - // than the MinCost (4) - hash, err := bcrypt.GenerateFromPassword(pwd, bcrypt.MinCost) - if err != nil { - log.Println(err) - } - // GenerateFromPassword returns a byte slice so we need to - // convert the bytes to a string and return it - return string(hash) -}