ctap_types/
operation.rs

1/// the authenticator API, consisting of "operations"
2#[derive(Copy, Clone, Debug, Eq, PartialEq)]
3#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
4pub enum Operation {
5    MakeCredential,
6    GetAssertion,
7    GetNextAssertion,
8    GetInfo,
9    ClientPin,
10    Reset,
11    // new in v2.1
12    BioEnrollment,
13    CredentialManagement,
14    Selection,
15    LargeBlobs,
16    Config,
17    PreviewBioEnrollment,
18    PreviewCredentialManagement,
19    /// vendors are assigned the range 0x40..=0x7f for custom operations
20    Vendor(VendorOperation),
21}
22
23impl From<Operation> for u8 {
24    fn from(operation: Operation) -> u8 {
25        use Operation::*;
26        match operation {
27            MakeCredential => 0x01,
28            GetAssertion => 0x02,
29            GetNextAssertion => 0x08,
30            GetInfo => 0x04,
31            ClientPin => 0x06,
32            Reset => 0x07,
33            BioEnrollment => 0x09,
34            CredentialManagement => 0x0A,
35            Selection => 0x0B,
36            LargeBlobs => 0x0C,
37            Config => 0x0D,
38            PreviewBioEnrollment => 0x40,
39            PreviewCredentialManagement => 0x41,
40            Vendor(operation) => operation.into(),
41        }
42    }
43}
44
45impl Operation {
46    pub fn into_u8(self) -> u8 {
47        self.into()
48    }
49}
50
51/// Vendor CTAP2 operations, from 0x40 to 0x7f.
52#[derive(Copy, Clone, Debug, Eq, PartialEq)]
53#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
54pub struct VendorOperation(u8);
55
56impl VendorOperation {
57    pub const FIRST: u8 = 0x40;
58    pub const LAST: u8 = 0x7f;
59}
60
61impl TryFrom<u8> for VendorOperation {
62    type Error = ();
63
64    fn try_from(from: u8) -> core::result::Result<Self, ()> {
65        match from {
66            code @ Self::FIRST..=Self::LAST => Ok(VendorOperation(code)),
67            _ => Err(()),
68        }
69    }
70}
71
72impl From<VendorOperation> for u8 {
73    fn from(operation: VendorOperation) -> u8 {
74        operation.0
75    }
76}
77
78impl TryFrom<u8> for Operation {
79    type Error = ();
80
81    fn try_from(from: u8) -> core::result::Result<Operation, ()> {
82        use Operation::*;
83        Ok(match from {
84            0x01 => MakeCredential,
85            0x02 => GetAssertion,
86            0x08 => GetNextAssertion,
87            0x04 => GetInfo,
88            0x06 => ClientPin,
89            0x07 => Reset,
90            0x09 => BioEnrollment,
91            0x0A => CredentialManagement,
92            0x0B => Selection,
93            0x0C => LargeBlobs,
94            0x0D => Config,
95            0x40 => PreviewBioEnrollment,
96            0x41 => PreviewCredentialManagement,
97            code @ VendorOperation::FIRST..=VendorOperation::LAST => {
98                Vendor(VendorOperation::try_from(code)?)
99            }
100            _ => return Err(()),
101        })
102    }
103}
ctap_types/operation.rs

ctap_types/
operation.rs
