Initial squashed commit

1 files changed, 54 insertions, 0 deletions

diff --git a/account.go b/account.go
new file mode 100644
index 0000000..b0e9ee5
--- /dev/null
+++ b/account.go
@@ -0,0 +1,54 @@
+package hotline
+
+import (
+	"encoding/binary"
+	"github.com/jhalter/mobius/concat"
+)
+
+const GuestAccount = "guest" // default account used when no login is provided for a connection
+
+type Account struct {
+	Login    string  `yaml:"Login"`
+	Name     string  `yaml:"Name"`
+	Password string  `yaml:"Password"`
+	Access   *[]byte `yaml:"Access"` // 8 byte bitmap
+}
+
+// Payload marshals an account to byte slice
+// Example:
+//	00 04 // fieldCount?
+//	00 66 // 102 - fieldUserName
+//	00 0d // 13
+//	61 64 6d 69 6e 69 73 74 72 61 74 6f 72 // administrator
+//	00 69 // 105 fieldUserLogin (encoded)
+//	00 05 // len
+//	9e 9b 92 96 91 // encoded login name
+//	00 6a // 106 fieldUserPassword
+//	00 01  // len
+//	78
+//	00 6e  // fieldUserAccess
+//	00 08
+//	ff d3 cf ef ff 80 00 00
+func (a *Account) Payload() (out []byte) {
+	nameLen := make([]byte, 2)
+	binary.BigEndian.PutUint16(nameLen, uint16(len(a.Name)))
+
+	loginLen := make([]byte, 2)
+	binary.BigEndian.PutUint16(loginLen, uint16(len(a.Login)))
+
+	return concat.Slices(
+		[]byte{0x00, 0x3}, // param count -- always 3
+
+		[]byte{0x00, 0x66}, // fieldUserName
+		nameLen,
+		[]byte(a.Name),
+
+		[]byte{0x00, 0x69}, // fieldUserLogin
+		loginLen,
+		[]byte(NegatedUserString([]byte(a.Login))),
+
+		[]byte{0x00, 0x6e}, // fieldUserAccess
+		[]byte{0x00, 0x08},
+		*a.Access,
+	)
+}