Struct CsrfToken 

pub struct CsrfToken(/* private fields */);

Available on crate feature csrf only.

The CSRF token for the current request.

Obtain via CsrfToken::from_request inside a GET handler (after CsrfLayer has run) and embed the value in your HTML form.

use rust_web_server::csrf::CsrfToken;
use rust_web_server::request::Request;

fn page(req: &Request) -> String {
    let token = CsrfToken::from_request(req)
        .map(|t| t.value().to_string())
        .unwrap_or_default();
    format!(r#"<input type="hidden" name="_csrf" value="{token}">"#)
}

Implementations

impl CsrfToken

pub fn value(&self) -> &str

Return the token string.

pub fn from_request(req: &Request) -> Option<Self>

Extract the current CSRF token from a request.

Returns Some only when CsrfLayer is in the middleware stack and the request was already processed by it. Returns None otherwise.

Trait Implementations

impl Display for CsrfToken

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

Formats the value using the given formatter.