refactor: Remove recaptcha-verify

src/service/Cargo.toml

@@ -117,8 +117,6 @@ url.workspace = true
 web-push-native.workspace = true
 webpage.workspace = true
 webpage.optional = true
-recaptcha-verify = { version = "0.2.0", default-features = false }
-reqwest_recaptcha = { package = "reqwest", version = "0.12.28", default-features = false, features = ["rustls-tls-native-roots-no-provider"]  } # As long as recaptcha-verify's reqwest is outdated
 yansi.workspace = true
 lettre.workspace = true
 resolvematrix.workspace = true

src/service/client/mod.rs

@@ -1,7 +1,7 @@
 use std::{sync::Arc, time::Duration};
 
 use async_trait::async_trait;
-use conduwuit::{Config, Result, Server, err, trace};
+use conduwuit::{Config, Result, Server, err, trace, utils::response::LimitReadExt, warn};
 use either::Either;
 use hickory_resolver::{
 	TokioResolver, config::ConnectionConfig, net::runtime::TokioRuntimeProvider,
@@ -9,6 +9,7 @@ use hickory_resolver::{
 use ipaddress::IPAddress;
 use reqwest::redirect;
 use resolvematrix::server::{MatrixResolver, MatrixResolverBuilder};
+use serde::Deserialize;
 
 use crate::service;
 
@@ -178,6 +179,43 @@ impl Service {
 			.iter()
 			.all(|cidr| !cidr.includes(ip))
 	}
+
+	#[tracing::instrument(skip_all)]
+	pub async fn recaptcha_verify(&self, secret: &str, response: &str) -> bool {
+		#[derive(Deserialize, Default, Debug, Clone)]
+		struct RecaptchaResponse {
+			success: bool,
+			#[serde(rename(deserialize = "error-codes"))]
+			_error_codes: Option<Vec<String>>,
+		}
+
+		let response = match self
+			.external_resource
+			.post("https://www.google.com/recaptcha/api/siteverify")
+			.form(&[("secret", secret), ("response", response)])
+			.send()
+			.await
+		{
+			| Ok(response) => response,
+			| Err(err) => {
+				warn!("ReCaptcha request failed: {err}");
+				return false;
+			},
+		};
+
+		let Ok(response) = response.limit_read_text(1024).await else {
+			warn!("ReCaptcha response was too large??");
+			return false;
+		};
+
+		match serde_json::from_str::<RecaptchaResponse>(&response) {
+			| Ok(response) => response.success,
+			| Err(err) => {
+				warn!("ReCaptcha response failed to deserialize: {err}");
+				false
+			},
+		}
+	}
 }
 
 pub fn base(config: &Config) -> Result<reqwest::ClientBuilder> {

src/service/uiaa/mod.rs

@@ -4,7 +4,7 @@ use std::{
 	sync::Arc,
 };
 
-use conduwuit::{Err, Error, Result, error, utils};
+use conduwuit::{Err, Error, Result, utils};
 use futures::StreamExt;
 use lettre::Address;
 use ruma::{
@@ -26,7 +26,7 @@ use serde_json::{
 use tokio::sync::Mutex;
 
 use crate::{
-	Dep, config, firstrun, globals,
+	Dep, client, config, firstrun, globals,
 	oauth::{self, OAuthTicket},
 	registration_tokens, threepid, users,
 };
@@ -38,6 +38,7 @@ pub struct Service {
 
 struct Services {
 	config: Dep<config::Service>,
+	client: Dep<client::Service>,
 	firstrun: Dep<firstrun::Service>,
 	globals: Dep<globals::Service>,
 	oauth: Dep<oauth::Service>,
@@ -78,6 +79,7 @@ impl crate::Service for Service {
 		Ok(Arc::new(Self {
 			services: Services {
 				config: args.depend::<config::Service>("config"),
+				client: args.depend::<client::Service>("client"),
 				firstrun: args.depend::<firstrun::Service>("firstrun"),
 				globals: args.depend::<globals::Service>("globals"),
 				oauth: args.depend::<oauth::Service>("oauth"),
@@ -586,15 +588,18 @@ impl Service {
 						));
 					};
 
-					match recaptcha_verify::verify_v3(private_site_key, response, None).await {
-						| Ok(()) => Ok(AuthType::ReCaptcha),
-						| Err(e) => {
-							error!("ReCaptcha verification failed: {e:?}");
-							Err(StandardErrorBody::new(
-								ErrorKind::CaptchaInvalid,
-								"ReCaptcha verification failed".to_owned(),
-							))
-						},
+					if self
+						.services
+						.client
+						.recaptcha_verify(private_site_key, response)
+						.await
+					{
+						Ok(AuthType::ReCaptcha)
+					} else {
+						Err(StandardErrorBody::new(
+							ErrorKind::CaptchaInvalid,
+							"ReCaptcha verification failed".to_owned(),
+						))
 					}
 				},
 				| AuthData::RegistrationToken(RegistrationToken { token, .. }) => {

src/web/Cargo.toml

@@ -32,10 +32,6 @@ futures.workspace = true
 lettre.workspace = true
 memory-serve = "2.1.0"
 openidconnect.workspace = true
-recaptcha-verify = { default-features = false, version = "0.2.0" }
-reqwest_recaptcha = { default-features = false, features = [
-    "rustls-tls-native-roots-no-provider",
-], package = "reqwest", version = "0.12.28" } # As long as recaptcha-verify's reqwest is outdated
 ruma.workspace = true
 serde.workspace = true
 serde_json.workspace = true

src/web/pages/account/register.rs

@@ -398,13 +398,10 @@ async fn begin_registration(
 						));
 					};
 
-					if recaptcha_verify::verify_v3(
-						recaptcha_private_site_key,
-						&recaptcha_response,
-						None,
-					)
-					.await
-					.is_err()
+					if !services
+						.client
+						.recaptcha_verify(recaptcha_private_site_key, &recaptcha_response)
+						.await
 					{
 						errors.add(
 							"recaptcha",