Struct Capabilities 

pub struct Capabilities { /* private fields */ }

A set of capabilities granted to a script.

Implementations

impl Capabilities

pub fn none() -> Capabilities

Create an empty capability set (no permissions).

pub fn all() -> Capabilities

Create a capability set with all permissions.

pub fn safe_defaults() -> Capabilities

Create a safe default capability set.

Includes: TimeRead, Random, StdoutWrite, StderrWrite, Logging, Serialize

pub fn with(self, cap: Capability) -> Capabilities

Add a capability.

pub fn with_all<I>(self, caps: I) -> Capabilities

where I: IntoIterator<Item = Capability>,

Add multiple capabilities.

pub fn without(self, cap: Capability) -> Capabilities

Remove a capability.

pub fn grant(&mut self, cap: Capability)

Grant a capability (mutating version).

pub fn revoke(&mut self, cap: Capability)

Revoke a capability (mutating version).

pub fn has(&self, cap: Capability) -> bool

Check if a capability is granted.

pub fn require(&self, cap: Capability) -> Result<(), Error>

Check if a capability is granted, returning an error if not.

pub fn granted(&self) -> impl Iterator<Item = &Capability>

Get all granted capabilities.

pub fn len(&self) -> usize

Get the number of granted capabilities.

pub fn is_empty(&self) -> bool

Check if no capabilities are granted.

pub fn has_dangerous(&self) -> bool

Check if any dangerous capability is granted.

pub fn from_names<'a, I>(names: I) -> Capabilities

where I: IntoIterator<Item = &'a str>,

Parse capabilities from string names.

pub fn to_names(&self) -> Vec<&'static str>

Get capability names as strings.

pub fn merge(&self, other: &Capabilities) -> Capabilities

Merge with another capability set.

pub fn intersect(&self, other: &Capabilities) -> Capabilities

Intersect with another capability set.

Trait Implementations

impl Clone for Capabilities

fn clone(&self) -> Capabilities

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Capabilities

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

Formats the value using the given formatter.

impl Default for Capabilities

fn default() -> Capabilities

Returns the “default value” for a type.

impl FromIterator<Capability> for Capabilities

fn from_iter<I>(iter: I) -> Capabilities

where I: IntoIterator<Item = Capability>,

Creates a value from an iterator.