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backend: add rate limitation using actix-governor. fix #16
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/* esp32-remote-access | ||
* Copyright (C) 2024 Frederic Henrichs <[email protected]> | ||
* | ||
* This library is free software; you can redistribute it and/or | ||
* modify it under the terms of the GNU Lesser General Public | ||
* License as published by the Free Software Foundation; either | ||
* version 2 of the License, or (at your option) any later version. | ||
* | ||
* This library is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
* Lesser General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU Lesser General Public | ||
* License along with this library; if not, write to the | ||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
* Boston, MA 02111-1307, USA. | ||
*/ | ||
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use actix_governor::{KeyExtractor, SimpleKeyExtractionError}; | ||
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/** | ||
* The struct used to extract ip for ratelimiting | ||
*/ | ||
#[derive(Clone)] | ||
pub struct Extractor; | ||
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impl KeyExtractor for Extractor { | ||
type Key = String; | ||
type KeyExtractionError = SimpleKeyExtractionError<&'static str>; | ||
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fn extract(&self, req: &actix_web::dev::ServiceRequest) -> Result<Self::Key, Self::KeyExtractionError> { | ||
let info = req.connection_info(); | ||
if let Some(ip) = info.realip_remote_addr() { | ||
Ok(ip.to_string()) | ||
} else { | ||
Err(SimpleKeyExtractionError::new("Invalid real IP")) | ||
} | ||
} | ||
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fn name(&self) -> &'static str { | ||
"KeyExtractor" | ||
} | ||
} | ||
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impl Extractor { | ||
pub fn new() -> Self { | ||
Self | ||
} | ||
} |
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