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54 lines
1.5 KiB
Rust
54 lines
1.5 KiB
Rust
use crate::{captcha_as_wav_base64, Perform};
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use actix_web::web::Data;
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use captcha::{gen, Difficulty};
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use chrono::Duration;
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use lemmy_api_common::{
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context::LemmyContext,
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person::{CaptchaResponse, GetCaptcha, GetCaptchaResponse},
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};
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use lemmy_db_schema::{
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source::{captcha_answer::CaptchaAnswer, local_site::LocalSite},
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utils::naive_now,
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};
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use lemmy_utils::error::LemmyError;
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#[async_trait::async_trait(?Send)]
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impl Perform for GetCaptcha {
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type Response = GetCaptchaResponse;
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#[tracing::instrument(skip(context))]
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async fn perform(&self, context: &Data<LemmyContext>) -> Result<Self::Response, LemmyError> {
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let local_site = LocalSite::read(context.pool()).await?;
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if !local_site.captcha_enabled {
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return Ok(GetCaptchaResponse { ok: None });
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}
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let captcha = gen(match local_site.captcha_difficulty.as_str() {
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"easy" => Difficulty::Easy,
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"hard" => Difficulty::Hard,
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_ => Difficulty::Medium,
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});
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let answer = captcha.chars_as_string();
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let png = captcha.as_base64().expect("failed to generate captcha");
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let uuid = uuid::Uuid::new_v4().to_string();
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let wav = captcha_as_wav_base64(&captcha);
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let captcha: CaptchaAnswer = CaptchaAnswer {
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answer,
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uuid: uuid.clone(),
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expires: naive_now() + Duration::minutes(10), // expires in 10 minutes
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};
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// Stores the captcha item in the db
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CaptchaAnswer::insert(context.pool(), &captcha).await?;
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Ok(GetCaptchaResponse {
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ok: Some(CaptchaResponse { png, wav, uuid }),
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})
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}
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}
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