pub struct HttpRequestMiddleware<S> {
service: S,
cookie: Option<Cookie>,
}Expand description
HTTP HttpRequestMiddleware with compatibility workarounds.
This middleware makes the following changes to HTTP requests:
§Remove jsonrpc field in JSON RPC 1.0
Removes “jsonrpc: 1.0” fields from requests, because the “jsonrpc” field was only added in JSON-RPC 2.0.
http://www.simple-is-better.org/rpc/#differences-between-1-0-and-2-0
§Add missing content-type HTTP header
Some RPC clients don’t include a content-type HTTP header.
But unlike web browsers, [jsonrpsee] does not do content sniffing.
If there is no content-type header, we assume the content is JSON,
and let the parser error if we are incorrect.
§Authenticate incoming requests
If the cookie-based RPC authentication is enabled, check that the incoming request contains the authentication cookie.
This enables compatibility with zcash-cli.
§Security
Any user-specified data in RPC requests is hex or base58check encoded. We assume lightwalletd validates data encodings before sending it on to Zebra. So any fixes Zebra performs won’t change user-specified data.
Fields§
§service: SImplementations§
source§impl<S> HttpRequestMiddleware<S>
impl<S> HttpRequestMiddleware<S>
sourcepub fn new(service: S, cookie: Option<Cookie>) -> Self
pub fn new(service: S, cookie: Option<Cookie>) -> Self
Create a new HttpRequestMiddleware with the given service and cookie.
sourcepub fn check_credentials(&self, headers: &HeaderMap) -> bool
pub fn check_credentials(&self, headers: &HeaderMap) -> bool
Check if the request is authenticated.
sourcepub fn insert_or_replace_content_type_header(headers: &mut HeaderMap)
pub fn insert_or_replace_content_type_header(headers: &mut HeaderMap)
Insert or replace client supplied content-type HTTP header to application/json in the following cases:
- no
content-typesupplied. - supplied
content-typestart withtext/plain, for example:text/plaintext/plain;text/plain; charset=utf-8
application/json is the only content-type accepted by the Zebra rpc endpoint:
§Security
content-typeheaders exist so that applications know they are speaking the correct protocol with the correct format. We can be a bit flexible, but there are some types (such as binary) we shouldn’t allow. In particular, the “application/x-www-form-urlencoded” header should be rejected, so browser forms can’t be used to attack a local RPC port. See “The Role of Routers in the CSRF Attack” in https://www.invicti.com/blog/web-security/importance-content-type-header-http-requests/- Checking all the headers is secure, but only because hyper has custom code that just reads the first content-type header. https://github.com/hyperium/headers/blob/f01cc90cf8d601a716856bc9d29f47df92b779e4/src/common/content_type.rs#L102-L108
sourcepub fn remove_json_1_fields(data: String) -> String
pub fn remove_json_1_fields(data: String) -> String
Remove any “jsonrpc: 1.0” fields in data, and return the resulting string.
Trait Implementations§
source§impl<S: Clone> Clone for HttpRequestMiddleware<S>
impl<S: Clone> Clone for HttpRequestMiddleware<S>
source§fn clone(&self) -> HttpRequestMiddleware<S>
fn clone(&self) -> HttpRequestMiddleware<S>
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moresource§impl<S: Debug> Debug for HttpRequestMiddleware<S>
impl<S: Debug> Debug for HttpRequestMiddleware<S>
source§impl<S> Service<Request<Body>> for HttpRequestMiddleware<S>
impl<S> Service<Request<Body>> for HttpRequestMiddleware<S>
source§type Future = Pin<Box<dyn Future<Output = Result<<HttpRequestMiddleware<S> as Service<Request<Body>>>::Response, <HttpRequestMiddleware<S> as Service<Request<Body>>>::Error>> + Send>>
type Future = Pin<Box<dyn Future<Output = Result<<HttpRequestMiddleware<S> as Service<Request<Body>>>::Response, <HttpRequestMiddleware<S> as Service<Request<Body>>>::Error>> + Send>>
The future response value.
Auto Trait Implementations§
impl<S> Freeze for HttpRequestMiddleware<S>where
S: Freeze,
impl<S> RefUnwindSafe for HttpRequestMiddleware<S>where
S: RefUnwindSafe,
impl<S> Send for HttpRequestMiddleware<S>where
S: Send,
impl<S> Sync for HttpRequestMiddleware<S>where
S: Sync,
impl<S> Unpin for HttpRequestMiddleware<S>where
S: Unpin,
impl<S> UnwindSafe for HttpRequestMiddleware<S>where
S: UnwindSafe,
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impl<T> IntoRequest<T> for T
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§impl<D> OwoColorize for D
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§fn on_yellow<'a>(&'a self) -> BgColorDisplay<'a, Yellow, Self>
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Change the foreground color to magenta
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Change the background color to magenta
§fn on_purple<'a>(&'a self) -> BgColorDisplay<'a, Magenta, Self>
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Change the background color to purple
§fn default_color<'a>(&'a self) -> FgColorDisplay<'a, Default, Self>
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Change the foreground color to the terminal default
§fn on_default_color<'a>(&'a self) -> BgColorDisplay<'a, Default, Self>
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§fn bright_green<'a>(&'a self) -> FgColorDisplay<'a, BrightGreen, Self>
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Change the foreground color to bright green
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Sets the background color to an RGB value.
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Change the foreground color to bright black
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Change the background color to bright black
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Change the foreground color to bright red
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Change the background color to bright red
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Change the foreground color to bright green
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Change the background color to bright green
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Change the foreground color to bright yellow
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Change the background color to bright yellow
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Change the foreground color to bright blue
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Change the background color to bright blue
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Change the foreground color to bright magenta
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Change the background color to bright magenta
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Change the foreground color to bright purple
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Change the background color to bright purple
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Change the foreground color to bright cyan
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Change the background color to bright cyan
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Change the foreground color to bright white
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Change the background color to bright white
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Make the text blink (but fast!)
Hide the text
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Cross out the text
§fn color<Color>(&self, color: Color) -> FgDynColorDisplay<'_, Color, Self>where
Color: DynColor,
fn color<Color>(&self, color: Color) -> FgDynColorDisplay<'_, Color, Self>where
Color: DynColor,
Set the foreground color at runtime. Only use if you do not know which color will be used at
compile-time. If the color is constant, use either [
OwoColorize::fg] or
a color-specific method, such as [OwoColorize::green], Read more§fn on_color<Color>(&self, color: Color) -> BgDynColorDisplay<'_, Color, Self>where
Color: DynColor,
fn on_color<Color>(&self, color: Color) -> BgDynColorDisplay<'_, Color, Self>where
Color: DynColor,
Set the background color at runtime. Only use if you do not know what color to use at
compile-time. If the color is constant, use either [
OwoColorize::bg] or
a color-specific method, such as [OwoColorize::on_yellow], Read more§fn fg_rgb<const R: u8, const G: u8, const B: u8>(
&self,
) -> FgColorDisplay<'_, CustomColor<R, G, B>, Self>
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Set the foreground color to a specific RGB value.
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&self,
) -> BgColorDisplay<'_, CustomColor<R, G, B>, Self>
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Set the background color to a specific RGB value.
§fn truecolor(&self, r: u8, g: u8, b: u8) -> FgDynColorDisplay<'_, Rgb, Self>
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