Enum Error 

#[non_exhaustive]
pub enum Error {
    InvalidUrl(ParseError),
    VersionNotAdvertised {
        requested: &'static str,
    },
    Http(Error),
    BadStatus(u16),
    ResponseTooLarge(u64),
    Json(Error),
    CrossOriginHref {
        discovery: Url,
        href: Url,
    },
}

All failure modes for this crate.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

InvalidUrl(ParseError)

A URL could not be parsed.

VersionNotAdvertised

The requested schema version was not advertised by the server.

Fields

requested: &'static str

The requested version.

Http(Error)

Available on crate feature client only.

An HTTP transport error.

BadStatus(u16)

Available on crate feature client only.

The server responded with a non-success status.

ResponseTooLarge(u64)

Available on crate feature client only.

The response body exceeded the configured maximum size. Raised only by the client helpers, which cap incoming bodies to a generous default (see DEFAULT_MAX_BODY_BYTES).

Json(Error)

The response body could not be parsed as JSON.

CrossOriginHref

Available on crate feature client only.

The discovery document advertised a NodeInfo document URL whose origin (scheme + host + port) does not match the host the discovery fetch was directed at.

This defends against an SSRF pivot where an attacker serves /.well-known/nodeinfo pointing at a cloud-metadata or loopback URL; fetch_with_limit refuses to follow the cross-origin hop before it reaches the transport.

Fields

discovery: Url

The trusted host the discovery document was fetched from.

href: Url

The attacker-controlled href the discovery tried to send us to.

Trait Implementations

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<Error> for Error

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<Error> for Error

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<ParseError> for Error

fn from(source: ParseError) -> Self

Converts to this type from the input type.