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add and retrive challenge and resp

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This commit is contained in:
Aravinth Manivannan 2021-06-11 12:08:05 +05:30
parent 577b0326c9
commit 2ff85dfdbc
Signed by: realaravinth
GPG key ID: AD9F0F08E855ED88
7 changed files with 198 additions and 184 deletions
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1
Cargo.lock generated
View file

@ -903,6 +903,7 @@ dependencies = [
"redis",
"serde",
"serde_json",
"tokio",
]
[[package]]

2
Cargo.toml
View file

@ -29,6 +29,8 @@ pow_sha256 = { version = "0.2.1", git = "https://github.com/mcaptcha/pow_sha256"
#redis = { version = "0.20.1", features = ["tokio-comp","aio", "cluster"], optional=true }
redis = { version = "0.17.0", features = ["tokio-comp","aio", "cluster"], optional=true }
tokio = { version = "0.2.25", features = ["sync"]}
[dev-dependencies]
actix-rt = "1"

58
src/cache/hashcache.rs vendored
View file

@ -19,6 +19,7 @@
use std::collections::HashMap;
use actix::prelude::*;
use tokio::sync::oneshot;
use super::messages::*;
use super::Save;
@ -46,8 +47,11 @@ impl HashCache {
}
// retrive [PoWConfig] from cache. Deletes config post retrival
fn retrive_pow_config(&mut self, string: String) -> CaptchaResult<Option<CachedPoWConfig>> {
if let Some(difficulty_factor) = self.remove_pow_config(&string) {
fn retrive_pow_config(
&mut self,
msg: VerifyCaptchaResult,
) -> CaptchaResult<Option<CachedPoWConfig>> {
if let Some(difficulty_factor) = self.remove_pow_config(&msg.token) {
Ok(Some(difficulty_factor))
} else {
Ok(None)
@ -110,7 +114,9 @@ impl Handler<CachePoW> for HashCache {
.into_actor(self);
ctx.spawn(wait_for);
MessageResult(self.save_pow_config(msg))
let (tx, rx) = oneshot::channel();
tx.send(self.save_pow_config(msg)).unwrap();
MessageResult(rx)
}
}
@ -127,7 +133,9 @@ impl Handler<DeletePoW> for HashCache {
impl Handler<RetrivePoW> for HashCache {
type Result = MessageResult<RetrivePoW>;
fn handle(&mut self, msg: RetrivePoW, _ctx: &mut Self::Context) -> Self::Result {
MessageResult(self.retrive_pow_config(msg.0))
let (tx, rx) = oneshot::channel();
tx.send(self.retrive_pow_config(msg.0)).unwrap();
MessageResult(rx)
}
}
@ -153,7 +161,9 @@ impl Handler<CacheResult> for HashCache {
.into_actor(self);
ctx.spawn(wait_for);
MessageResult(self.save_captcha_result(msg))
let (tx, rx) = oneshot::channel();
tx.send(self.save_captcha_result(msg)).unwrap();
MessageResult(rx)
}
}
@ -171,7 +181,9 @@ impl Handler<VerifyCaptchaResult> for HashCache {
type Result = MessageResult<VerifyCaptchaResult>;
fn handle(&mut self, msg: VerifyCaptchaResult, _ctx: &mut Self::Context) -> Self::Result {
// MessageResult(self.retrive(msg.0))
MessageResult(self.verify_captcha_result(msg))
let (tx, rx) = oneshot::channel();
tx.send(self.verify_captcha_result(msg)).unwrap();
MessageResult(rx)
}
}
@ -215,10 +227,16 @@ mod tests {
.build()
.unwrap();
addr.send(msg).await.unwrap().unwrap();
addr.send(msg).await.unwrap().await.unwrap().unwrap();
let msg = VerifyCaptchaResult {
token: string.clone(),
key: KEY.into(),
};
let cache_difficulty_factor = addr
.send(RetrivePoW(string.clone()))
.send(RetrivePoW(msg.clone()))
.await
.unwrap()
.await
.unwrap()
.unwrap();
@ -231,7 +249,13 @@ mod tests {
//sleep(DURATION + DURATION).await;
delay_for(duration + duration).await;
let expired_string = addr.send(RetrivePoW(string)).await.unwrap().unwrap();
let expired_string = addr
.send(RetrivePoW(msg))
.await
.unwrap()
.await
.unwrap()
.unwrap();
assert_eq!(None, expired_string);
}
@ -256,22 +280,28 @@ mod tests {
duration: DURATION,
};
addr.send(add_cache).await.unwrap().unwrap();
addr.send(add_cache).await.unwrap().await.unwrap().unwrap();
let verify_msg = VerifyCaptchaResult {
key: KEY.into(),
token: RES.into(),
};
assert!(addr.send(verify_msg.clone()).await.unwrap().unwrap());
assert!(addr
.send(verify_msg.clone())
.await
.unwrap()
.await
.unwrap()
.unwrap());
// duplicate
assert!(!addr.send(verify_msg).await.unwrap().unwrap());
assert!(!addr.send(verify_msg).await.unwrap().await.unwrap().unwrap());
let verify_msg = VerifyCaptchaResult {
key: "cz".into(),
token: RES.into(),
};
assert!(!addr.send(verify_msg).await.unwrap().unwrap());
assert!(!addr.send(verify_msg).await.unwrap().await.unwrap().unwrap());
let duration: Duration = Duration::new(5, 0);
delay_for(duration + duration).await;
@ -280,6 +310,6 @@ mod tests {
key: KEY.into(),
token: RES.into(),
};
assert!(!addr.send(verify_msg).await.unwrap().unwrap());
assert!(!addr.send(verify_msg).await.unwrap().await.unwrap().unwrap());
}
}

15
src/cache/mod.rs vendored
View file

@ -21,8 +21,8 @@ use serde::{Deserialize, Serialize};
#[cfg(feature = "full")]
pub mod hashcache;
//#[cfg(feature = "full")]
//pub mod redis;
#[cfg(feature = "full")]
pub mod redis;
#[derive(Serialize, Deserialize)]
pub struct AddChallenge {
@ -50,12 +50,13 @@ pub mod messages {
use actix::dev::*;
use derive_builder::Builder;
use serde::{Deserialize, Serialize};
use tokio::sync::oneshot::Receiver;
use crate::errors::*;
/// Message to cache PoW difficulty factor and string
#[derive(Message, Serialize, Deserialize, Builder, Clone)]
#[rtype(result = "CaptchaResult<()>")]
#[rtype(result = "Receiver<CaptchaResult<()>>")]
pub struct CachePoW {
/// challenge string
pub string: String,
@ -70,8 +71,8 @@ pub mod messages {
/// Message to retrive the the difficulty factor for the specified
/// string from the cache
#[derive(Message)]
#[rtype(result = "CaptchaResult<Option<CachedPoWConfig>>")]
pub struct RetrivePoW(pub String);
#[rtype(result = "Receiver<CaptchaResult<Option<CachedPoWConfig>>>")]
pub struct RetrivePoW(pub VerifyCaptchaResult);
#[derive(Clone, PartialEq, Debug, Default, Deserialize, Serialize)]
pub struct CachedPoWConfig {
@ -90,7 +91,7 @@ pub mod messages {
/// Message to cache captcha result and the captcha key for which
/// it was generated
#[derive(Message, Serialize, Deserialize, Builder)]
#[rtype(result = "CaptchaResult<()>")]
#[rtype(result = "Receiver<CaptchaResult<()>>")]
pub struct CacheResult {
pub token: String,
/// key is mCaptcha identifier
@ -114,7 +115,7 @@ pub mod messages {
/// Message to verify captcha result against
/// the stored captcha key
#[derive(Message, Clone, Deserialize, Serialize)]
#[rtype(result = "CaptchaResult<bool>")]
#[rtype(result = "Receiver<CaptchaResult<bool>>")]
pub struct VerifyCaptchaResult {
pub token: String,
pub key: String,

283
src/cache/redis.rs vendored
View file

@ -16,192 +16,140 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
//! Cache implementation that uses Redis
use crate::redis::mcaptcha_redis::MCaptchaRedis;
use crate::redis::RedisConfig;
use std::collections::HashMap;
use actix::prelude::*;
use tokio::sync::oneshot;
use super::messages::*;
use super::AddChallenge;
use super::Save;
use crate::errors::*;
use crate::redis::mcaptcha_redis::MCaptchaRedis;
use crate::redis::RedisConfig;
pub struct RedisCache(MCaptchaRedis);
#[derive(Clone, Default)]
/// cache datastructure implementing [Save]
pub struct HashCache {
difficulty_map: HashMap<String, CachedPoWConfig>,
result_map: HashMap<String, String>,
}
impl RedisCache {
/// Get new [MCaptchaRedis]. Use this when executing commands that are
/// only supported by mCaptcha Redis module. Internally, when object
/// is created, checks are performed to check if the module is loaded and if
/// the required commands are available
pub async fn new(redis: RedisConfig) -> CaptchaResult<Self> {
let m = MCaptchaRedis::new(redis).await?;
Ok(Self(m))
}
// save [PoWConfig] to cache
async fn save_pow_config(&mut self, config: CachePoW) -> CaptchaResult<()> {
let challenge = config.string;
let payload: AddChallenge = AddChallenge {
challenge: config.string,
difficulty: config.difficulty_factor as usize,
duration: config.duration,
};
let payload = serde_json::to_string(&payload).unwrap();
// {MCAPTCHA_NAME}:difficulty_map:challenge (difficulty_factor -> duration) EX duration
// TODO use hashmap
self.difficulty_map.insert(challenge, config);
Ok(())
}
// retrive [PoWConfig] from cache. Deletes config post retrival
fn retrive_pow_config(&mut self, string: String) -> CaptchaResult<Option<CachedPoWConfig>> {
if let Some(difficulty_factor) = self.remove_pow_config(&string) {
Ok(Some(difficulty_factor.to_owned()))
} else {
Ok(None)
}
}
// delete [PoWConfig] from cache
fn remove_pow_config(&mut self, string: &str) -> Option<CachedPoWConfig> {
self.difficulty_map.remove(string)
}
// save captcha result
async fn save_captcha_result(&mut self, res: CacheResult) -> CaptchaResult<()> {
self.result_map.insert(res.token, res.key);
// {MCAPTCHA_NAME}:result_map:token 0 EX duration
Ok(())
}
// verify captcha result
fn verify_captcha_result(&mut self, challenge: VerifyCaptchaResult) -> CaptchaResult<bool> {
if let Some(captcha_id) = self.remove_cache_result(&challenge.token) {
if captcha_id == challenge.key {
return Ok(true);
} else {
return Ok(false);
}
} else {
Ok(false)
}
}
// delete cache result
fn remove_cache_result(&mut self, string: &str) -> Option<String> {
self.result_map.remove(string)
let redis = MCaptchaRedis::new(redis).await?;
let master = Self(redis);
Ok(master)
}
}
impl Save for HashCache {}
impl Save for RedisCache {}
impl Actor for HashCache {
impl Actor for RedisCache {
type Context = Context<Self>;
}
/// cache a PoWConfig
impl Handler<CachePoW> for HashCache {
impl Handler<CachePoW> for RedisCache {
type Result = MessageResult<CachePoW>;
fn handle(&mut self, msg: CachePoW, ctx: &mut Self::Context) -> Self::Result {
//use actix::clock::sleep;
use actix::clock::delay_for;
use std::time::Duration;
let (tx, rx) = oneshot::channel();
let addr = ctx.address();
let del_msg = DeletePoW(msg.string.clone());
let con = self.0.get_client();
let fut = async move {
let payload: AddChallenge = AddChallenge {
challenge: msg.string,
difficulty: msg.difficulty_factor,
duration: msg.duration,
};
let duration: Duration = Duration::new(msg.duration.clone(), 0);
let wait_for = async move {
//sleep(duration).await;
delay_for(duration).await;
addr.send(del_msg).await.unwrap().unwrap();
let res = con.add_challenge(&msg.key, &payload).await;
tx.send(res).unwrap();
}
.into_actor(self);
ctx.spawn(wait_for);
ctx.wait(fut);
MessageResult(self.save_pow_config(msg))
}
}
/// Delte a PoWConfig
impl Handler<DeletePoW> for HashCache {
type Result = MessageResult<DeletePoW>;
fn handle(&mut self, msg: DeletePoW, _ctx: &mut Self::Context) -> Self::Result {
self.remove_pow_config(&msg.0);
MessageResult(Ok(()))
MessageResult(rx)
}
}
/// Retrive PoW difficulty_factor for a PoW string
impl Handler<RetrivePoW> for HashCache {
impl Handler<RetrivePoW> for RedisCache {
type Result = MessageResult<RetrivePoW>;
fn handle(&mut self, msg: RetrivePoW, _ctx: &mut Self::Context) -> Self::Result {
MessageResult(self.retrive_pow_config(msg.0))
fn handle(&mut self, msg: RetrivePoW, ctx: &mut Self::Context) -> Self::Result {
let (tx, rx) = oneshot::channel();
let con = self.0.get_client();
let fut = async move {
let r = match con.get_challenge(&msg.0).await {
Err(e) => Err(e),
Ok(val) => {
let res = CachedPoWConfig {
duration: val.duration,
difficulty_factor: val.difficulty_factor,
key: msg.0.key,
};
Ok(Some(res))
}
};
tx.send(r).unwrap();
}
.into_actor(self);
ctx.wait(fut);
MessageResult(rx)
}
}
/// cache PoW result
impl Handler<CacheResult> for HashCache {
impl Handler<CacheResult> for RedisCache {
type Result = MessageResult<CacheResult>;
fn handle(&mut self, msg: CacheResult, ctx: &mut Self::Context) -> Self::Result {
//use actix::clock::sleep;
use actix::clock::delay_for;
use std::time::Duration;
let (tx, rx) = oneshot::channel();
let addr = ctx.address();
let del_msg = DeleteCaptchaResult {
token: msg.token.clone(),
};
let duration: Duration = Duration::new(msg.duration.clone(), 0);
let wait_for = async move {
//sleep(duration).await;
delay_for(duration).await;
addr.send(del_msg).await.unwrap().unwrap();
let con = self.0.get_client();
let fut = async move {
let r = con.add_token(&msg).await;
tx.send(r).unwrap();
}
.into_actor(self);
ctx.spawn(wait_for);
MessageResult(self.save_captcha_result(msg))
}
}
/// Delte a PoWConfig
impl Handler<DeleteCaptchaResult> for HashCache {
type Result = MessageResult<DeleteCaptchaResult>;
fn handle(&mut self, msg: DeleteCaptchaResult, _ctx: &mut Self::Context) -> Self::Result {
self.remove_cache_result(&msg.token);
MessageResult(Ok(()))
ctx.wait(fut);
MessageResult(rx)
}
}
/// Retrive PoW difficulty_factor for a PoW string
impl Handler<VerifyCaptchaResult> for HashCache {
impl Handler<VerifyCaptchaResult> for RedisCache {
type Result = MessageResult<VerifyCaptchaResult>;
fn handle(&mut self, msg: VerifyCaptchaResult, _ctx: &mut Self::Context) -> Self::Result {
// MessageResult(self.retrive(msg.0))
MessageResult(self.verify_captcha_result(msg))
fn handle(&mut self, msg: VerifyCaptchaResult, ctx: &mut Self::Context) -> Self::Result {
let (tx, rx) = oneshot::channel();
let con = self.0.get_client();
let fut = async move {
let r = con.get_token(&msg).await;
tx.send(r).unwrap();
}
.into_actor(self);
ctx.wait(fut);
MessageResult(rx)
}
}
/// Delte a PoWConfig
impl Handler<DeleteCaptchaResult> for RedisCache {
type Result = MessageResult<DeleteCaptchaResult>;
fn handle(&mut self, _msg: DeleteCaptchaResult, _ctx: &mut Self::Context) -> Self::Result {
MessageResult(Ok(()))
}
}
/// Delte a PoWConfig
impl Handler<DeletePoW> for RedisCache {
type Result = MessageResult<DeletePoW>;
fn handle(&mut self, _msg: DeletePoW, _ctx: &mut Self::Context) -> Self::Result {
//self.remove_pow_config(&msg.0);
MessageResult(Ok(()))
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::master::AddVisitorResult;
use crate::pow::PoWConfig;
//use crate::master::AddVisitorResult;
//use crate::pow::PoWConfig;
// async fn sleep(time: u64) {
// //use actix::clock::sleep;
@ -213,34 +161,47 @@ mod tests {
// delay_for(duration).await;
// }
const REDIS_URL: &str = "redis://127.0.1.1/";
#[actix_rt::test]
async fn hashcache_pow_cache_works() {
async fn rediscache_pow_cache_works() {
use actix::clock::delay_for;
use actix::clock::Duration;
const DIFFICULTY_FACTOR: u32 = 54;
const DURATION: u64 = 5;
const KEY: &str = "mcaptchakey";
let addr = HashCache::default().start();
let pow: PoWConfig = PoWConfig::new(DIFFICULTY_FACTOR, KEY.into()); //salt is dummy here
let visitor_result = AddVisitorResult {
difficulty_factor: DIFFICULTY_FACTOR,
duration: DURATION,
};
let string = pow.string.clone();
const CHALLENGE: &str = "redischallenge1";
let addr = RedisCache::new(RedisConfig::Single(REDIS_URL.into()))
.await
.unwrap()
.start();
let msg = CachePoWBuilder::default()
.string(pow.string.clone())
.string(CHALLENGE.into())
.difficulty_factor(DIFFICULTY_FACTOR)
.duration(visitor_result.duration)
.duration(DURATION)
.key(KEY.into())
.build()
.unwrap();
addr.send(msg).await.unwrap().unwrap();
addr.send(msg.clone())
.await
.unwrap()
.await
.unwrap()
.unwrap();
let msg = VerifyCaptchaResult {
token: CHALLENGE.into(),
key: KEY.into(),
};
let cache_difficulty_factor = addr
.send(RetrivePoW(string.clone()))
.send(RetrivePoW(msg.clone()))
.await
.unwrap()
.await
.unwrap()
.unwrap();
@ -253,19 +214,23 @@ mod tests {
//sleep(DURATION + DURATION).await;
delay_for(duration + duration).await;
let expired_string = addr.send(RetrivePoW(string)).await.unwrap().unwrap();
assert_eq!(None, expired_string);
let expired_string = addr.send(RetrivePoW(msg)).await.unwrap().await.unwrap();
assert!(expired_string.is_err());
}
#[actix_rt::test]
async fn hashcache_result_cache_works() {
async fn redishashcache_result_cache_works() {
use actix::clock::delay_for;
use actix::clock::Duration;
const DURATION: u64 = 5;
const KEY: &str = "a";
const RES: &str = "b";
let addr = HashCache::default().start();
let addr = RedisCache::new(RedisConfig::Single(REDIS_URL.into()))
.await
.unwrap()
.start();
// send value to cache
// send another value to cache for auto delete
// verify_captcha_result
@ -278,22 +243,28 @@ mod tests {
duration: DURATION,
};
addr.send(add_cache).await.unwrap().unwrap();
addr.send(add_cache).await.unwrap().await.unwrap().unwrap();
let verify_msg = VerifyCaptchaResult {
key: KEY.into(),
token: RES.into(),
};
assert!(addr.send(verify_msg.clone()).await.unwrap().unwrap());
assert!(addr
.send(verify_msg.clone())
.await
.unwrap()
.await
.unwrap()
.unwrap());
// duplicate
assert!(!addr.send(verify_msg).await.unwrap().unwrap());
assert!(!addr.send(verify_msg).await.unwrap().await.unwrap().unwrap());
let verify_msg = VerifyCaptchaResult {
key: "cz".into(),
token: RES.into(),
};
assert!(!addr.send(verify_msg).await.unwrap().unwrap());
assert!(!addr.send(verify_msg).await.unwrap().await.unwrap().unwrap());
let duration: Duration = Duration::new(5, 0);
delay_for(duration + duration).await;
@ -302,6 +273,6 @@ mod tests {
key: KEY.into(),
token: RES.into(),
};
assert!(!addr.send(verify_msg).await.unwrap().unwrap());
assert!(!addr.send(verify_msg).await.unwrap().await.unwrap().unwrap());
}
}

3
src/redis/mcaptcha_redis.rs
View file

@ -180,8 +180,7 @@ impl MCaptchaRedisConnection {
/// Delete PoW Challenge object from Redis
pub async fn delete_challenge(&self, msg: &VerifyCaptchaResult) -> CaptchaResult<()> {
let _: () = self
.0
self.0
.exec(redis::cmd(DELETE_CHALLENGE).arg(&[&msg.key, &msg.token]))
.await?;
Ok(())

20
src/system.rs
View file

@ -66,7 +66,13 @@ where
.build()
.unwrap();
self.cache.send(cache_msg).await.unwrap().unwrap();
self.cache
.send(cache_msg)
.await
.unwrap()
.await
.unwrap()
.unwrap();
Some(pow_config)
}
_ => None,
@ -76,9 +82,13 @@ where
/// utility function to verify [Work]
pub async fn verify_pow(&self, work: Work) -> CaptchaResult<String> {
let string = work.string.clone();
let msg = RetrivePoW(string.clone());
let msg = VerifyCaptchaResult {
token: string.clone(),
key: work.key.clone(),
};
let msg = RetrivePoW(msg);
let cached_config = self.cache.send(msg).await.unwrap()?;
let cached_config = self.cache.send(msg).await.unwrap().await.unwrap()?;
if cached_config.is_none() {
return Err(CaptchaError::StringNotFound);
@ -105,7 +115,7 @@ where
let msg: CacheResult = cached_config.into();
let res = msg.token.clone();
self.cache.send(msg).await.unwrap()?;
self.cache.send(msg).await.unwrap().await.unwrap()?;
Ok(res)
}
@ -114,7 +124,7 @@ where
&self,
msg: VerifyCaptchaResult,
) -> CaptchaResult<bool> {
self.cache.send(msg).await.unwrap()
self.cache.send(msg).await.unwrap().await.unwrap()
}
}