matrix_sdk_crypto

Enum UserIdentity

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pub enum UserIdentity {
    Own(OwnUserIdentity),
    Other(OtherUserIdentity),
}
Expand description

Enum over the different user identity types we can have.

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Own(OwnUserIdentity)

Our own user identity.

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Other(OtherUserIdentity)

An identity belonging to another user.

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impl UserIdentity

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pub fn own(self) -> Option<OwnUserIdentity>

Destructure the enum into an OwnUserIdentity if it’s of the correct type.

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pub fn other(self) -> Option<OtherUserIdentity>

Destructure the enum into an OtherUserIdentity if it’s of the correct type.

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pub fn user_id(&self) -> &UserId

Get the ID of the user this identity belongs to.

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pub fn is_verified(&self) -> bool

Check if this user identity is verified.

For our own identity, this means either that we have checked the public keys in the identity against the private keys; or that the identity has been manually marked as verified via OwnUserIdentity::verify.

For another user’s identity, it means that we have verified our own identity as above, and that the other user’s identity has been signed by our own user-signing key.

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pub fn was_previously_verified(&self) -> bool

True if we verified this identity at some point in the past.

To reset this latch back to false, one must call UserIdentity::withdraw_verification().

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pub async fn withdraw_verification(&self) -> Result<(), CryptoStoreError>

Reset the flag that records that the identity has been verified, thus clearing UserIdentity::was_previously_verified and UserIdentity::has_verification_violation.

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pub async fn pin(&self) -> Result<(), CryptoStoreError>

Remember this identity, ensuring it does not result in a pin violation.

When we first see a user, we assume their cryptographic identity has not been tampered with by the homeserver or another entity with man-in-the-middle capabilities. We remember this identity and call this action “pinning”.

If the identity presented for the user changes later on, the newly presented identity is considered to be in “pin violation”. This method explicitly accepts the new identity, allowing it to replace the previously pinned one and bringing it out of pin violation.

UIs should display a warning to the user when encountering an identity which is not verified and is in pin violation. See OtherUserIdentity::identity_needs_user_approval.

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pub fn has_verification_violation(&self) -> bool

Was this identity previously verified, and is no longer?

Trait Implementations§

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impl Clone for UserIdentity

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fn clone(&self) -> UserIdentity

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for UserIdentity

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl From<OtherUserIdentity> for UserIdentity

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fn from(i: OtherUserIdentity) -> Self

Converts to this type from the input type.
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impl From<OwnUserIdentity> for UserIdentity

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fn from(i: OwnUserIdentity) -> Self

Converts to this type from the input type.

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, W> HasTypeWitness<W> for T
where W: MakeTypeWitness<Arg = T>, T: ?Sized,

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const WITNESS: W = W::MAKE

A constant of the type witness
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impl<T> Identity for T
where T: ?Sized,

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const TYPE_EQ: TypeEq<T, <T as Identity>::Type> = TypeEq::NEW

Proof that Self is the same type as Self::Type, provides methods for casting between Self and Self::Type.
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type Type = T

The same type as Self, used to emulate type equality bounds (T == U) with associated type equality constraints (T: Identity<Type = U>).
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
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fn vzip(self) -> V

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where S: Into<Dispatch>,

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impl<T> AsyncTraitDeps for T

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