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< main > < div class = "width-limiter" > < nav class = "sub" > < form class = "search-form" > < span > < / span > < div id = "sidebar-button" tabindex = "-1" > < a href = "../actix_limitation/all.html" title = "show sidebar" > < / a > < / div > < input class = "search-input" name = "search" aria-label = "Run search in the documentation" autocomplete = "off" spellcheck = "false" placeholder = "Click or press ‘ ’ ‘ ’ type = "search" > < div id = "help-button" tabindex = "-1" > < a href = "../help.html" title = "help" > ?< / a > < / div > < div id = "settings-menu" tabindex = "-1" > < a href = "../settings.html" title = "settings" > < img width = "22" height = "22" alt = "Change settings" src = "../static.files/wheel-7b819b6101059cd0.svg" > < / a > < / div > < / form > < / nav > < section id = "main-content" class = "content" > < div class = "main-heading" > < h1 > Crate < a class = "mod" href = "#" > actix_limitation< / a > < button id = "copy-path" title = "Copy item path to clipboard" > < img src = "../static.files/clipboard-7571035ce49a181d.svg" width = "19" height = "18" alt = "Copy item path" > < / button > < / h1 > < span class = "out-of-band" > < a class = "src" href = "../src/actix_limitation/lib.rs.html#1-180" > source< / a > · < button id = "toggle-all-docs" title = "collapse all docs" > [< span > − < / span > ]< / button > < / span > < / div > < details class = "toggle top-doc" open > < summary class = "hideme" > < span > Expand description< / span > < / summary > < div class = "docblock" > < p > Rate limiter using a fixed window counter for arbitrary keys, backed by Redis for Actix Web.< / p >
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< div class = "example-wrap" > < pre class = "language-toml" > < code > [dependencies]
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actix-web = " 4"
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actix-limitation = " 0.5"
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< / code > < / pre > < / div >
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< div class = "example-wrap" > < pre class = "rust rust-example-rendered" > < code > < span class = "kw" > use < / span > std::{sync::Arc, time::Duration};
< span class = "kw" > use < / span > actix_web::{dev::ServiceRequest, get, web, App, HttpServer, Responder};
< span class = "kw" > use < / span > actix_session::SessionExt < span class = "kw" > as _< / span > ;
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< span class = "kw" > use < / span > actix_limitation::{Limiter, RateLimiter};
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< span class = "attr" > #[get(< span class = "string" > "/{id}/{name}"< / span > )]
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< / span > < span class = "kw" > async fn < / span > index(info: web::Path< (u32, String)> ) -> < span class = "kw" > impl < / span > Responder {
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< span class = "macro" > format!< / span > (< span class = "string" > "Hello {}! id:{}"< / span > , info.< span class = "number" > 1< / span > , info.< span class = "number" > 0< / span > )
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}
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< span class = "attr" > #[actix_web::main]
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< / span > < span class = "kw" > async fn < / span > main() -> std::io::Result< ()> {
< span class = "kw" > let < / span > limiter = web::Data::new(
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Limiter::builder(< span class = "string" > "redis://127.0.0.1"< / span > )
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.key_by(|req: < span class = "kw-2" > & < / span > ServiceRequest| {
req.get_session()
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.get(< span class = "kw-2" > & < / span > < span class = "string" > "session-id"< / span > )
.unwrap_or_else(|< span class = "kw" > _< / span > | req.cookie(< span class = "kw-2" > & < / span > < span class = "string" > "rate-api-id"< / span > ).map(|c| c.to_string()))
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})
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.limit(< span class = "number" > 5000< / span > )
.period(Duration::from_secs(< span class = "number" > 3600< / span > )) < span class = "comment" > // 60 minutes
< / span > .build()
.unwrap(),
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);
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HttpServer::new(< span class = "kw" > move < / span > || {
App::new()
.wrap(RateLimiter::default())
.app_data(limiter.clone())
.service(index)
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})
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.bind((< span class = "string" > "127.0.0.1"< / span > , < span class = "number" > 8080< / span > ))< span class = "question-mark" > ?
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< / span > .run()
.< span class = "kw" > await
< / span > }< / code > < / pre > < / div >
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< / div > < / details > < h2 id = "structs" class = "section-header" > Structs< a href = "#structs" class = "anchor" > §< / a > < / h2 > < ul class = "item-table" > < li > < div class = "item-name" > < a class = "struct" href = "struct.Builder.html" title = "struct actix_limitation::Builder" > Builder< / a > < / div > < div class = "desc docblock-short" > Rate limiter builder.< / div > < / li > < li > < div class = "item-name" > < a class = "struct" href = "struct.Limiter.html" title = "struct actix_limitation::Limiter" > Limiter< / a > < / div > < div class = "desc docblock-short" > Rate limiter.< / div > < / li > < li > < div class = "item-name" > < a class = "struct" href = "struct.RateLimiter.html" title = "struct actix_limitation::RateLimiter" > RateLimiter< / a > < / div > < div class = "desc docblock-short" > Rate limit middleware.< / div > < / li > < li > < div class = "item-name" > < a class = "struct" href = "struct.Status.html" title = "struct actix_limitation::Status" > Status< / a > < / div > < div class = "desc docblock-short" > A report for a given key containing the limit status.< / div > < / li > < / ul > < h2 id = "enums" class = "section-header" > Enums< a href = "#enums" class = "anchor" > §< / a > < / h2 > < ul class = "item-table" > < li > < div class = "item-name" > < a class = "enum" href = "enum.Error.html" title = "enum actix_limitation::Error" > Error< / a > < / div > < div class = "desc docblock-short" > Failure modes of the rate limiter.< / div > < / li > < / ul > < h2 id = "constants" class = "section-header" > Constants< a href = "#constants" class = "anchor" > §< / a > < / h2 > < ul class = "item-table" > < li > < div class = "item-name" > < a class = "constant" href = "constant.DEFAULT_COOKIE_NAME.html" title = "constant actix_limitation::DEFAULT_COOKIE_NAME" > DEFAULT_COOKIE_NAME< / a > < / div > < div class = "desc docblock-short" > Default cookie name.< / div > < / li > < li > < div class = "item-name" > < a class = "constant" href = "constant.DEFAULT_PERIOD_SECS.html" title = "constant actix_limitation::DEFAULT_PERIOD_SECS" > DEFAULT_PERIOD_SECS< / a > < / div > < div class = "desc docblock-short" > Default period (in seconds).< / div > < / li > < li > < div class = "item-name" > < a class = "constant" href = "constant.DEFAULT_REQUEST_LIMIT.html" title = "constant actix_limitation::DEFAULT_REQUEST_LIMIT" > DEFAULT_REQUEST_LIMIT< / a > < / div > < div class = "desc docblock-short" > Default request limit.< / div > < / li > < li > < div class = "item-name" > < a class = "constant" href = "constant.DEFAULT_SESSION_KEY.html" title = "constant actix_limitation::DEFAULT_SESSION_KEY" > DEFAULT_SESSION_KEY< / a > < / div > < div class = "desc docblock-short" > Default session key.< / div > < / li > < / ul > < / section > < / div > < / main > < / body > < / html >
