Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "simple-auth"
-version = "0.3.2"
+version = "0.3.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -15,9 +15,6 @@ jwt-simple = "0.11.1"
 simple_logger = "4.0.0"
 log = "0.4.17"
 base64 = "0.13.1"
-serde_json = "1.0"
-
-http = { git = "https://gitea.thegux.fr/rmanach/http", version = "0.1.6" }
 
 # useful for tests (embedded files should be delete in release ?)
 #rust-embed="6.4.1"

README.md

@@ -8,6 +8,7 @@ cargo build --release
 ```
 
 ## Configuration
+
 ### Store
 The store represents the credentials. For now, this a `.txt` file with plain passwords. You have to create one like:
 ```txt
@@ -71,7 +72,7 @@ cargo test
 * set the following env variables:
 ```bash
 export SIMPLE_AUTH_URL="http://<url>:<port>"
-export SIMPLE_AUTH_PUB_KEY="<path_to_pem_pub_key>" # DO NOT USE THIS ONE IN PRODUCTION !
+export SIMPLE_AUTH_PUB_KEY="<path_to_pem_pub_key>" # DO NOT USE THE ONE IN PRODUCTION !
 ```
 * run the server (if no one is running remotly)
 * run curl tests
@@ -79,14 +80,14 @@ export SIMPLE_AUTH_PUB_KEY="<path_to_pem_pub_key>" # DO NOT USE THIS ONE IN PROD
 cd tests/bash/
 ./curling.bash && echo "passed"
 ```
-* run python tests
+* run python requests tests
 ```bash
 # create a python venv
 cd tests/python
 python3 -m venv venv
 source venv/bin/activate
 
-# install the requirements
+# intall the requirements
 pip install -r requirements
 
 # launch the tests
@@ -96,5 +97,5 @@ python -m unittest
 ## Documentation
 ```bash
 # add the '--open' arg to open the doc on a browser
-cargo doc -r --no-deps
+cargo doc --no-deps
 ```

src/config/mod.rs

@@ -1,5 +1,4 @@
-//! **config** module provides `Config` struct to load and validate `.ini` file.
+//! provides `Config` struct to load and validate `.ini` file
-
 mod config;
 
 pub use config::Config;

src/http/message.rs

@@ -0,0 +1,93 @@
+use json;
+use std::collections::HashMap;
+
+const JSON_DELIMITER: &'static str = ",";
+
+/// `HashMap` wrapper, represents the JSON response body
+pub struct HTTPMessage {
+    message: HashMap<String, String>,
+}
+
+impl Default for HTTPMessage {
+    fn default() -> Self {
+        HTTPMessage {
+            message: HashMap::new(),
+        }
+    }
+}
+
+/// try to convert `HTTPMessage` in `json::JsonValue`
+impl TryInto<json::JsonValue> for HTTPMessage {
+    type Error = String;
+    fn try_into(self) -> Result<json::JsonValue, Self::Error> {
+        let message = format!(r#"{{{}}}"#, self.build_json());
+        match json::parse(&message) {
+            Ok(r) => Ok(r),
+            Err(e) => Err(format!(
+                "unable to parse the HTTPMessage correctly: {}, err={}",
+                message, e
+            )),
+        }
+    }
+}
+
+impl HTTPMessage {
+    pub fn put(&mut self, key: &str, value: &str) {
+        self.message.insert(key.to_string(), value.to_string());
+    }
+
+    /// associated function to build an HTTPMessage error
+    pub fn error(message: &str) -> Option<json::JsonValue> {
+        let mut http_message = HTTPMessage::default();
+        http_message.put("error", message);
+
+        match message.try_into() {
+            Ok(m) => Some(m),
+            Err(e) => {
+                eprintln!(
+                    "unable to parse the message: {} into JSON, err={}",
+                    message, e
+                );
+                return None;
+            }
+        }
+    }
+
+    /// loops over all the HashMap keys, builds a JSON key value for each one and join them with `JSON_DELIMITER`
+    fn build_json(self) -> String {
+        let unstruct: Vec<String> = self
+            .message
+            .keys()
+            .map(|k| format!(r#""{}":{:?}"#, k, self.message.get(k).unwrap()))
+            .collect();
+        let joined = unstruct.join(JSON_DELIMITER);
+        joined
+    }
+}
+
+#[test]
+fn test_message() {
+    let mut http_message = HTTPMessage::default();
+    http_message.put("email", "toto@toto.fr");
+    http_message.put("password", "tata");
+
+    let mut json_result: Result<json::JsonValue, String> = http_message.try_into();
+    assert!(json_result.is_ok());
+
+    let mut json = json_result.unwrap();
+    assert!(json.has_key("email"));
+    assert!(json.has_key("password"));
+
+    let empty_http_message = HTTPMessage::default();
+    json_result = empty_http_message.try_into();
+    assert!(json_result.is_ok());
+
+    json = json_result.unwrap();
+    assert_eq!("{}", json.dump().to_string());
+
+    let mut bad_http_message = HTTPMessage::default();
+    bad_http_message.put("\"", "");
+
+    json_result = bad_http_message.try_into();
+    assert!(json_result.is_err());
+}

src/http/mod.rs

@@ -0,0 +1,11 @@
+//! http module includes tools to parse an HTTP request and build and HTTP response
+
+pub mod message;
+pub mod request;
+pub mod response;
+pub mod router;
+
+pub use message::HTTPMessage;
+pub use request::{HTTPRequest, HTTPVersion};
+pub use response::{HTTPResponse, HTTPStatusCode};
+pub use router::ROUTER;

src/http/request.rs

@@ -0,0 +1,416 @@
+//! request handles properly the incoming request
+//! it will parse the request according to the HTTP message specifications
+//! see: https://developer.mozilla.org/en-US/docs/Web/HTTP/Messages
+//! NOTE: only few parts of the specification has been implemented
+
+use json;
+use lazy_static::lazy_static;
+use regex::Regex;
+use std::collections::VecDeque;
+
+use crate::utils::extract_json_value;
+
+type RequestParts = (String, VecDeque<String>, String);
+
+const HTTP_REQUEST_SEPARATOR: &'static str = "\r\n";
+const NULL_CHAR: &'static str = "\0";
+
+lazy_static! {
+    static ref HTTP_VERSION_REGEX: Regex = Regex::new("^HTTP/(1.1|1.0|2)$").unwrap();
+}
+
+#[derive(Debug, Copy, Clone)]
+pub enum HTTPVersion {
+    Http1_0,
+    Http1_1,
+    Http2,
+    Unknown,
+}
+
+impl Into<String> for HTTPVersion {
+    fn into(self) -> String {
+        match self {
+            Self::Http1_0 => "HTTP/1.0".to_string(),
+            Self::Http1_1 => "HTTP/1.1".to_string(),
+            Self::Http2 => "HTTP/2".to_string(),
+            Self::Unknown => "UNKNOWN".to_string(),
+        }
+    }
+}
+
+// TODO: not really satifying... could accept `String` too
+impl From<&String> for HTTPVersion {
+    fn from(http_version: &String) -> Self {
+        match http_version.as_str() {
+            "HTTP/1.0" => Self::Http1_0,
+            "HTTP/1.1" => Self::Http1_1,
+            "HTTP/2" => Self::Http2,
+            _ => Self::Unknown,
+        }
+    }
+}
+
+#[derive(Debug)]
+pub struct HTTPStartLine {
+    method: String,
+    target: String,
+    version: HTTPVersion,
+}
+
+impl HTTPStartLine {
+    fn new(method: String, target: String, version: HTTPVersion) -> Self {
+        HTTPStartLine {
+            method,
+            target,
+            version,
+        }
+    }
+
+    fn parse(start_line: &str) -> Result<Self, &str> {
+        // declare a new `start_line` var to borrow to &str `start_line`
+        let start_line = start_line.to_string();
+
+        let parts: Vec<&str> = start_line.split(" ").collect();
+        if parts.len() < 3 {
+            return Err("unable to parse the start correctly");
+        }
+
+        let method = parts[0].to_string();
+        let target = parts[1].to_string();
+        let version = parts[2].to_string();
+
+        if !Self::check_version(&version) {
+            return Err("http version validation failed, unknown version");
+        }
+
+        Ok(HTTPStartLine::new(
+            method,
+            target,
+            HTTPVersion::from(&version),
+        ))
+    }
+
+    fn check_version(version: &String) -> bool {
+        HTTP_VERSION_REGEX.is_match(version)
+    }
+
+    pub fn is_valid(&self) -> bool {
+        return self.method != "" && self.target != "";
+    }
+
+    pub fn get_target(&self) -> String {
+        self.target.clone()
+    }
+}
+
+impl Default for HTTPStartLine {
+    fn default() -> Self {
+        HTTPStartLine {
+            method: "".to_string(),
+            target: "".to_string(),
+            version: HTTPVersion::Unknown,
+        }
+    }
+}
+
+impl Into<String> for HTTPStartLine {
+    fn into(self) -> String {
+        let version: String = self.version.into();
+        return format!("{} {} {}", self.method, self.target, version);
+    }
+}
+
+/// represents an HTTP request body
+/// for simplicity, only json body is accepted
+#[derive(Debug)]
+pub struct HTTPBody {
+    data: json::JsonValue,
+}
+
+impl HTTPBody {
+    fn new(data: json::JsonValue) -> HTTPBody {
+        HTTPBody { data }
+    }
+
+    pub fn get_data(&self) -> &json::JsonValue {
+        &self.data
+    }
+}
+
+impl TryFrom<String> for HTTPBody {
+    type Error = String;
+    fn try_from(body: String) -> Result<HTTPBody, Self::Error> {
+        let body = body.replace(NULL_CHAR, "");
+        match json::parse(&body) {
+            Ok(v) => Ok(HTTPBody::new(v)),
+            Err(e) => Err(format!("during request body parsing details={}", e)),
+        }
+    }
+}
+
+/// Represents an HTTP request (headers are not parsed)
+#[derive(Debug)]
+pub struct HTTPRequest {
+    pub start_line: HTTPStartLine,
+    pub body: Option<HTTPBody>,
+    // includes the client IP + port (should be in the headers)
+    pub addr: String,
+}
+
+impl HTTPRequest {
+    /// split correctly the incoming request in order to get :
+    /// * start_line
+    /// * headers
+    /// * data (if exists)
+    fn get_request_parts(request: &str) -> Result<RequestParts, String> {
+        // separate the body part from the start_line and the headers
+        let mut request_parts: VecDeque<String> = request
+            .split(HTTP_REQUEST_SEPARATOR)
+            .map(|r| r.to_string())
+            .collect();
+
+        if request_parts.len() < 3 {
+            return Err("request has no enough informations to be correctly parsed".to_string());
+        }
+        let start_line = request_parts.pop_front().unwrap();
+        let body = request_parts.pop_back().unwrap();
+
+        Ok((start_line, request_parts, body))
+    }
+
+    /// parse the request by spliting the incoming request with the separator `\r\n`
+    fn parse(request: &str) -> Result<HTTPRequest, String> {
+        let request = request.to_string();
+
+        match HTTPRequest::get_request_parts(&request) {
+            Ok(rp) => {
+                let mut request = HTTPRequest::default();
+
+                let start_line = HTTPStartLine::parse(&rp.0);
+                match start_line {
+                    Ok(v) => request.start_line = v,
+                    Err(e) => log::error!("while parsing start_line details={}", e),
+                }
+
+                let body = HTTPBody::try_from(rp.2);
+                match body {
+                    Ok(v) => request.body = Some(v),
+                    Err(e) => log::warn!("{}", e),
+                }
+
+                return Ok(request);
+            }
+            Err(e) => {
+                return Err(e);
+            }
+        }
+    }
+
+    /// retrieve value in `HTTPBody` (returns None if empty or does not exist)
+    pub fn get_body_value(&self, key: &str) -> Option<String> {
+        match self.body {
+            Some(ref b) => match &b.data {
+                json::JsonValue::Object(d) => extract_json_value(&d, key),
+                _ => None,
+            },
+            None => None,
+        }
+    }
+
+    pub fn get_method(&self) -> String {
+        self.start_line.method.clone()
+    }
+
+    #[allow(dead_code)]
+    pub fn is_valid(&self) -> bool {
+        return self.start_line.is_valid();
+    }
+
+    pub fn set_addr(&mut self, addr: String) {
+        self.addr = addr;
+    }
+}
+
+impl Default for HTTPRequest {
+    fn default() -> Self {
+        HTTPRequest {
+            start_line: HTTPStartLine::default(),
+            body: None,
+            addr: "".to_string(),
+        }
+    }
+}
+
+impl From<&str> for HTTPRequest {
+    fn from(request: &str) -> Self {
+        match Self::parse(request) {
+            Ok(v) => v,
+            Err(e) => {
+                log::error!("{}", e);
+                return HTTPRequest::default();
+            }
+        }
+    }
+}
+
+#[test]
+fn test_request() {
+    struct Expect {
+        start_line: String,
+        body: Option<String>,
+        is_valid: bool,
+        has_token: bool,
+    }
+
+    let test_cases: [(String, Expect); 12] = [
+        (
+            "POST /get/ HTTP/1.1\r\n\r\n".to_string(),
+            Expect {
+                start_line: "POST /get/ HTTP/1.1".to_string(),
+                body: None,
+                is_valid: true,
+                has_token: false,
+            },
+        ),
+        (
+            "POST /refresh/ HTTP/2\r\n\r\n".to_string(),
+            Expect {
+                start_line: "POST /refresh/ HTTP/2".to_string(),
+                body: None,
+                is_valid: true,
+                has_token: false,
+            },
+        ),
+        (
+            "POST /validate/ HTTP/1.0\r\n\r\n".to_string(),
+            Expect {
+                start_line: "POST /validate/ HTTP/1.0".to_string(),
+                body: None,
+                is_valid: true,
+                has_token: false,
+            },
+        ),
+        (
+            "GET / HTTP/1.1\r\n\r\n".to_string(),
+            Expect {
+                start_line: "GET / HTTP/1.1".to_string(),
+                body: None,
+                is_valid: true,
+                has_token: false,
+            },
+        ),
+        // intentionally add HTTP with no version number
+        (
+            "OPTIONS /admin/2 HTTP/\r\nContent-Type: application/json\r\n".to_string(),
+            Expect {
+                start_line: "  UNKNOWN".to_string(),
+                body: None,
+                is_valid: false,
+                has_token: false,
+            },
+        ),
+        (
+            "POST HTTP".to_string(),
+            Expect {
+                start_line: "  UNKNOWN".to_string(),
+                body: None,
+                is_valid: false,
+                has_token: false
+            }
+        ),
+        (
+            "".to_string(),
+            Expect {
+                start_line: "  UNKNOWN".to_string(),
+                body: None,
+                is_valid: false,
+                has_token: false
+            }
+        ),
+        (
+            "fjlqskjd /oks?id=65 HTTP/2\r\n\r\n".to_string(),
+            Expect {
+                start_line: "fjlqskjd /oks?id=65 HTTP/2".to_string(),
+                body: None,
+                is_valid: true,
+                has_token: false
+            }
+        ),
+        (
+            "   ".to_string(),
+            Expect {
+                start_line: "  UNKNOWN".to_string(),
+                body: None,
+                is_valid: false,
+                has_token: false,
+            }
+        ),
+        (
+            r#"lm //// skkss\r\ndkldklkdl\r\n"{"access_token":"AAAAAAAAAAAA.BBBBBBBBBB.CCCCCCCCCC","refresh_token": "DDDDDDDDDDD.EEEEEEEEEEE.FFFFF"}""#.to_string(),
+            Expect {
+                start_line: "  UNKNOWN".to_string(),
+                body: Some(r#"{"access_token":"AAAAAAAAAAAA.BBBBBBBBBB.CCCCCCCCCC","refresh_token": "DDDDDDDDDDD.EEEEEEEEEEE.FFFFF"}"#.to_string()),
+                is_valid: false,
+                has_token: false
+            }
+        ),
+        (
+            format!("{}\r\nuselessheaders\r\n{}", "POST /refresh/ HTTP/1.1", r#"{"access_token": "toto", "refresh_token": "tutu"}"#),
+            Expect {
+                start_line: "POST /refresh/ HTTP/1.1".to_string(),
+                body: Some(r#"{"access_token":"toto","refresh_token":"tutu"}"#.to_string()),
+                is_valid: true,
+                has_token: false
+            }
+        ),
+        (
+            format!("{}\r\nuselessheaders\r\n{}", "POST /get/ HTTP/1.1", r#"{"token": "toto", "refresh_token": "tutu"}"#),
+            Expect {
+                start_line: "POST /get/ HTTP/1.1".to_string(),
+                body: Some(r#"{"token":"toto","refresh_token":"tutu"}"#.to_string()),
+                is_valid: true,
+                has_token: true
+            }
+        ),
+    ];
+
+    for (request, expect) in test_cases {
+        let http_request = HTTPRequest::from(request.as_str());
+        assert_eq!(expect.is_valid, http_request.is_valid());
+
+        let token = http_request.get_body_value("token");
+        let start_line: String = http_request.start_line.into();
+        assert_eq!(expect.start_line, start_line);
+
+        match http_request.body {
+            Some(v) => {
+                assert_eq!(expect.body.unwrap(), v.data.dump())
+            }
+            None => continue,
+        }
+
+        match expect.has_token {
+            true => assert!(token.is_some()),
+            false => assert!(token.is_none()),
+        }
+    }
+}
+
+#[test]
+fn test_http_body() {
+    let test_cases: [(&str, bool); 3] = [
+        ("hello, how are you ?", false),
+        ("qsdfqsdffqsdffsq", false),
+        (
+            r#"{"access_token":"AAAAAAAAAAAA.BBBBBBBBBB.CCCCCCCCCC","refresh_token": "DDDDDDDDDDD.EEEEEEEEEEE.FFFFF"}"#,
+            true,
+        ),
+    ];
+
+    for (body, is_valid) in test_cases {
+        match HTTPBody::try_from(body.to_string()) {
+            Ok(_) => assert!(is_valid),
+            Err(_) => assert!(!is_valid),
+        }
+    }
+}

src/http/response.rs

@@ -0,0 +1,172 @@
+//! response handles the incoming request parsed `HTTPRequest`
+//! it will build an HTTPResponse corresponding to the HTTP message specs. see: https://developer.mozilla.org/en-US/docs/Web/HTTP/Messages
+//! NOTE: only few parts of the specification has been implemented
+
+use super::{HTTPMessage, HTTPVersion};
+use json;
+
+#[derive(Debug, PartialEq, Clone)]
+pub enum HTTPStatusCode {
+    Http200,
+    Http400,
+    Http403,
+    Http404,
+    Http500,
+}
+
+impl Into<String> for HTTPStatusCode {
+    fn into(self) -> String {
+        match self {
+            Self::Http200 => "200".to_string(),
+            Self::Http400 => "400".to_string(),
+            Self::Http404 => "404".to_string(),
+            Self::Http403 => "403".to_string(),
+            Self::Http500 => "500".to_string(),
+        }
+    }
+}
+
+pub struct HTTPStatusLine {
+    version: HTTPVersion,
+    status_code: HTTPStatusCode,
+}
+
+impl Default for HTTPStatusLine {
+    fn default() -> HTTPStatusLine {
+        HTTPStatusLine {
+            version: HTTPVersion::Http1_1,
+            status_code: HTTPStatusCode::Http400,
+        }
+    }
+}
+
+impl Into<String> for HTTPStatusLine {
+    fn into(self) -> String {
+        let version: String = self.version.into();
+        let status_code: String = self.status_code.into();
+        format! {"{} {}", version, status_code}
+    }
+}
+
+impl HTTPStatusLine {
+    pub fn set_status_code(&mut self, code: HTTPStatusCode) {
+        self.status_code = code;
+    }
+
+    #[allow(dead_code)]
+    pub fn get_status_code(&self) -> HTTPStatusCode {
+        self.status_code.clone()
+    }
+}
+
+/// represents an HTTP response (headers are not parsed)
+/// NOTE: for simplicity, only JSON body are accepted
+pub struct HTTPResponse {
+    pub status_line: HTTPStatusLine,
+    body: json::JsonValue,
+}
+
+impl Default for HTTPResponse {
+    fn default() -> Self {
+        HTTPResponse {
+            status_line: HTTPStatusLine::default(),
+            body: json::parse(r#"{"error": "the incoming request is not valid"}"#).unwrap(),
+        }
+    }
+}
+
+impl Into<String> for HTTPResponse {
+    fn into(self) -> String {
+        // move `self.body` into a new var
+        let b = self.body;
+        let body: String = json::stringify(b);
+
+        let status_line: String = self.status_line.into();
+        format!(
+            "{}\r\nContent-Type: application/json\r\nContent-Length: {}\r\n\r\n{}",
+            status_line,
+            body.len(),
+            body
+        )
+    }
+}
+
+impl HTTPResponse {
+    pub fn as_500(message: Option<json::JsonValue>) -> Self {
+        let mut response = Self::default();
+
+        response
+            .status_line
+            .set_status_code(HTTPStatusCode::Http500);
+
+        response.body = {
+            match message {
+                Some(m) => m,
+                None => json::parse(r#"{"error": "unexpected error occurred"}"#).unwrap(),
+            }
+        };
+
+        response
+    }
+
+    pub fn as_404() -> Self {
+        let mut response = Self::default();
+
+        response
+            .status_line
+            .set_status_code(HTTPStatusCode::Http404);
+        response.body = json::parse(r#"{"error": "the url requested does not exist"}"#).unwrap();
+
+        response
+    }
+
+    pub fn as_403() -> Self {
+        let mut response = HTTPResponse {
+            status_line: HTTPStatusLine::default(),
+            body: json::parse(r#"{"error": "invalid credentials"}"#).unwrap(),
+        };
+
+        response
+            .status_line
+            .set_status_code(HTTPStatusCode::Http403);
+
+        response
+    }
+
+    /// wrap the `Self::default()` associated func (not really clear)
+    pub fn as_400() -> Self {
+        Self::default()
+    }
+
+    pub fn as_200(message: Option<json::JsonValue>) -> Self {
+        let mut response = Self::default();
+
+        response
+            .status_line
+            .set_status_code(HTTPStatusCode::Http200);
+
+        response.body = {
+            match message {
+                Some(m) => m,
+                None => json::parse(r#"{"status": "ok"}"#).unwrap(),
+            }
+        };
+
+        response
+    }
+
+    /// builds an HTTP 200 response with the generated JWT
+    pub fn send_token(token: &str) -> Self {
+        let mut http_message = HTTPMessage::default();
+        http_message.put("token", token);
+
+        let message = {
+            match http_message.try_into() {
+                Ok(m) => m,
+                Err(_e) => json::parse(r#"{"token": "error.generation.token"}"#).unwrap(),
+            }
+        };
+
+        HTTPResponse::as_200(Some(message))
+    }
+}

src/http/router.rs

@@ -1,32 +1,29 @@
-use http::{HTTPRequest, HTTPResponse, JSONMessage};
+//! router aims to handle correctly the request corresponding to the target
-use json::JsonValue;
+//! it implements all the logic to build an `HTTPResponse`
 
+use base64;
+use json;
+
+use super::{HTTPMessage, HTTPRequest, HTTPResponse};
 use crate::config::Config;
 use crate::jwt::JWTSigner;
-use crate::message::{JWTMessage, ValidationMessage};
+use crate::stores::{FileStore, Store};
-use crate::stores::{Credentials, FileStore, Store};
 
 // TODO: must be mapped with corresponding handler
 const GET_ROUTE: &'static str = "/get/";
 const VALIDATE_ROUTE: &'static str = "/validate/";
 const PUBKEY_ROUTE: &'static str = "/pubkey/";
 
-async fn handle_get(request: HTTPRequest<'_>, config: Config, method: &str) -> HTTPResponse {
+async fn handle_get(request: HTTPRequest, config: Config, method: &str) -> HTTPResponse {
     if method.trim().to_lowercase() != "post" {
         return HTTPResponse::as_400();
     }
 
     let mut store = FileStore::new(config.filestore_path.clone());
-
+    match &request.body {
-    match request.get_body() {
+        Some(ref b) => {
-        Some(d) => {
+            let credentials = store.is_auth(&b.get_data()).await;
-            let credentials = Credentials::from(d);
+            if credentials.is_none() {
-            if credentials.is_empty() {
-                log::error!("unable to parse the credentials correctly from the incoming request");
-                return HTTPResponse::as_400();
-            }
-
-            if !store.is_auth(&credentials).await {
                 return HTTPResponse::as_403();
             }
 
@@ -34,16 +31,16 @@ async fn handle_get(request: HTTPRequest<'_>, config: Config, method: &str) -> H
                 match JWTSigner::new(config).await {
                     Ok(s) => s,
                     Err(e) => {
-                        let message = JSONMessage::error(&e);
+                        let message = HTTPMessage::error(&e);
                         return HTTPResponse::as_500(message);
                     }
                 }
             };
 
-            match jwt_signer.sign(credentials) {
+            match jwt_signer.sign(credentials.unwrap().email) {
-                Ok(t) => send_token(&t),
+                Ok(t) => HTTPResponse::send_token(&t),
                 Err(e) => {
-                    let message = JSONMessage::error(&e);
+                    let message = HTTPMessage::error(&e);
                     return HTTPResponse::as_500(message);
                 }
             }
@@ -52,10 +49,10 @@ async fn handle_get(request: HTTPRequest<'_>, config: Config, method: &str) -> H
     }
 }
 
-/// handle_validate validates the token by checking:
+/// validates the token by checking:
 /// * expiration time
 /// * signature
-async fn handle_validate(request: HTTPRequest<'_>, config: Config, method: &str) -> HTTPResponse {
+async fn handle_validate(request: HTTPRequest, config: Config, method: &str) -> HTTPResponse {
     if request.get_method().trim().to_lowercase() != method {
         return HTTPResponse::as_400();
     }
@@ -64,10 +61,11 @@ async fn handle_validate(request: HTTPRequest<'_>, config: Config, method: &str)
         match request.get_body_value("token") {
             Some(t) => t,
             None => {
-                let mut message = ValidationMessage::default();
+                let mut message = HTTPMessage::default();
-                message.set_reason("no token provided in the request body");
+                message.put("valid", "false");
+                message.put("reason", "no token provided in the request body");
+                let json = message.try_into().unwrap();
 
-                let json = json::parse(&serde_json::to_string(&message).unwrap()).unwrap();
                 return HTTPResponse::as_200(Some(json));
             }
         }
@@ -77,29 +75,30 @@ async fn handle_validate(request: HTTPRequest<'_>, config: Config, method: &str)
         match JWTSigner::new(config).await {
             Ok(s) => s,
             Err(e) => {
-                let message = JSONMessage::error(&e);
+                let message = HTTPMessage::error(&e);
                 let json = message.try_into().unwrap();
                 return HTTPResponse::as_500(Some(json));
             }
         }
     };
 
-    let mut message = ValidationMessage::default();
+    let mut message = HTTPMessage::default();
     match jwt_signer.validate(&token) {
         Ok(()) => {
-            message.set_valid(true);
+            message.put("valid", "true");
         }
         Err(e) => {
-            message.set_reason(&e);
+            message.put("valid", "false");
+            message.put("reason", &e);
         }
     }
 
-    let json: JsonValue = json::parse(&serde_json::to_string(&message).unwrap()).unwrap();
+    let json: json::JsonValue = message.try_into().unwrap();
     HTTPResponse::as_200(Some(json))
 }
 
-/// handle_public_key returns the JWT public key in base64 encoded
+/// returns the JWT public key in base64 encoded
-async fn handle_public_key(request: HTTPRequest<'_>, config: Config, method: &str) -> HTTPResponse {
+async fn handle_public_key(request: HTTPRequest, config: Config, method: &str) -> HTTPResponse {
     if request.get_method().trim().to_lowercase() != method {
         return HTTPResponse::as_400();
     }
@@ -108,7 +107,7 @@ async fn handle_public_key(request: HTTPRequest<'_>, config: Config, method: &st
         match JWTSigner::new(config).await {
             Ok(s) => s,
             Err(e) => {
-                let message = JSONMessage::error(&e);
+                let message = HTTPMessage::error(&e);
                 let json = message.try_into().unwrap();
                 return HTTPResponse::as_500(Some(json));
             }
@@ -116,18 +115,25 @@ async fn handle_public_key(request: HTTPRequest<'_>, config: Config, method: &st
     };
 
     let public_key = jwt_signer.get_public_key();
-    let message = serde_json::to_string(&JWTMessage::with_pubkey(public_key)).unwrap();
 
-    HTTPResponse::as_200(Some(json::parse(&message).unwrap()))
+    let mut message = HTTPMessage::default();
+    message.put("pubkey", &base64::encode(public_key));
+
+    let json = message.try_into().unwrap();
+    HTTPResponse::as_200(Some(json))
 }
 
 pub struct Router;
 
 impl Router {
-    /// route routes the request to the corresponding handler
+    /// routes the request to the corresponding handling method
-    pub async fn route(&self, request_str: &str, config: Config) -> HTTPResponse {
+    pub async fn route(&self, request_str: &str, addr: String, config: Config) -> HTTPResponse {
-        let request = HTTPRequest::from(request_str);
+        let mut request = HTTPRequest::from(request_str);
-        match request.get_target() {
+        request.set_addr(addr);
+
+        let target = request.start_line.get_target();
+
+        match target.as_str() {
             GET_ROUTE => handle_get(request, config, "post").await,
             VALIDATE_ROUTE => handle_validate(request, config, "post").await,
             PUBKEY_ROUTE => handle_public_key(request, config, "get").await,
@@ -136,27 +142,20 @@ impl Router {
     }
 }
 
-/// send_token generates an HTTPResponse with the new token
+// this MUST be used like a Singleton
-pub fn send_token(jwt_message: &str) -> HTTPResponse {
-    let message = if jwt_message != "" {
-        jwt_message
-    } else {
-        r#"{"token": "error.generation.token"}"#
-    };
-    HTTPResponse::as_200(Some(json::parse(message).unwrap()))
-}
-
-// this **MUST** be used like a Singleton
 pub const ROUTER: Router = Router {};
 
 #[tokio::test]
 async fn test_route() {
-    use http::HTTPStatusCode;
+    use super::HTTPStatusCode;
 
     let router: &Router = &ROUTER;
     let config: Config = Config::default();
     let request_str = "POST /get/ HTTP/1.1\r\n\r\n";
 
-    let response: HTTPResponse = router.route(request_str, config).await;
+    let response: HTTPResponse = router.route(request_str, "".to_string(), config).await;
-    assert_eq!(HTTPStatusCode::Http400, response.get_status_code());
+    assert_eq!(
+        HTTPStatusCode::Http400,
+        response.status_line.get_status_code()
+    );
 }

src/jwt/jwt.rs

@@ -5,9 +5,6 @@ use serde::{Deserialize, Serialize};
 use std::collections::HashSet;
 use tokio::fs;
 
-use crate::message::JWTMessage;
-use crate::stores::Credentials;
-
 #[derive(Serialize, Deserialize)]
 struct JWTCustomClaims {
     email: String,
@@ -61,8 +58,8 @@ impl JWTSigner {
         verification_options
     }
 
-    /// sign builds and signs the token
+    /// builds and signs the token
-    pub fn sign(&self, credentials: Credentials) -> Result<String, String> {
+    pub fn sign(&self, email: String) -> Result<String, String> {
         let jwt_key = {
             match RS384KeyPair::from_pem(&self.private_key) {
                 Ok(k) => k,
@@ -72,18 +69,13 @@ impl JWTSigner {
             }
         };
         let mut claims = Claims::with_custom_claims(
-            JWTCustomClaims {
+            JWTCustomClaims { email },
-                email: credentials.get_email(),
-            },
             Duration::from_hours(self.exp_time),
         );
         claims.issuer = Some(self.issuer.clone());
 
         match jwt_key.sign(claims) {
-            Ok(token) => {
+            Ok(token) => Ok(token),
-                // TODO: need to generate the refresh token
-                return Ok(serde_json::to_string(&JWTMessage::with_access(token)).unwrap());
-            }
             Err(e) => {
                 return Err(format!("unable to sign the token details={}", e));
             }

src/jwt/mod.rs

@@ -1,5 +1,4 @@
-//! **jwt** module aims to read `.pem` files and sign/validate the token.
+//! simple module to read `.pem` files and sign the token
-
 mod jwt;
 
 pub use jwt::JWTSigner;

src/main.rs

@@ -1,8 +1,8 @@
 mod config;
+mod http;
 mod jwt;
-mod message;
-mod router;
 mod stores;
+mod utils;
 
 use clap::Parser;
 use configparser::ini::Ini;
@@ -12,8 +12,8 @@ use tokio::{
     time::{timeout, Duration},
 };
 
-use crate::router::ROUTER;
 use config::Config;
+use http::ROUTER;
 
 #[derive(Parser)]
 #[clap(author, version, about, long_about = None)]
@@ -67,7 +67,7 @@ async fn main() {
     }
 }
 
-/// handle_connection parses the incoming request and builds an HTTP response
+/// parses the incoming request (partial spec implementation) and build an HTTP response
 async fn handle_connection(mut stream: TcpStream, addr: String, config: Config) {
     log::info!("client connected: {}", addr);
 
@@ -90,7 +90,7 @@ async fn handle_connection(mut stream: TcpStream, addr: String, config: Config)
     }
 
     let request_string = std::str::from_utf8(&message).unwrap();
-    let response = ROUTER.route(request_string, config).await;
+    let response = ROUTER.route(request_string, addr.clone(), config).await;
     let response_str: String = response.into();
 
     stream.write(response_str.as_bytes()).await.unwrap();

src/message/message.rs

@@ -1,48 +0,0 @@
-use serde::Serialize;
-
-#[derive(Serialize)]
-/// JWTMessage aims to have a generic struct to build JSON HTTP response message with JWT informations
-pub struct JWTMessage {
-    #[serde(skip_serializing_if = "String::is_empty")]
-    access_token: String,
-    #[serde(skip_serializing_if = "String::is_empty")]
-    refresh_token: String,
-    #[serde(skip_serializing_if = "String::is_empty")]
-    pubkey: String,
-}
-
-impl JWTMessage {
-    pub fn with_access(access_token: String) -> Self {
-        JWTMessage {
-            access_token: access_token,
-            refresh_token: "".to_string(),
-            pubkey: "".to_string(),
-        }
-    }
-
-    pub fn with_pubkey(pubkey: String) -> Self {
-        JWTMessage {
-            access_token: "".to_string(),
-            refresh_token: "".to_string(),
-            pubkey: base64::encode(pubkey),
-        }
-    }
-}
-
-#[derive(Serialize, Default)]
-/// ValidationMessage aims to build a JSON HTTP response body for JWT validation
-pub struct ValidationMessage {
-    valid: bool,
-    #[serde(skip_serializing_if = "String::is_empty")]
-    reason: String,
-}
-
-impl ValidationMessage {
-    pub fn set_valid(&mut self, valid: bool) {
-        self.valid = valid;
-    }
-
-    pub fn set_reason(&mut self, reason: &str) {
-        self.reason = reason.to_string();
-    }
-}

src/message/mod.rs

@@ -1,5 +0,0 @@
-//! **message** module holds all structs to manage JSON response body for the authentication.
-
-mod message;
-
-pub use message::{JWTMessage, ValidationMessage};

src/router/mod.rs

@@ -1,4 +0,0 @@
-//! **router** module includes all the handlers to get and validate JWT.
-
-mod router;
-pub use router::ROUTER;

src/stores/file.rs

@@ -1,9 +1,10 @@
 use async_trait::async_trait;
+use json;
 use std::path::Path;
 
 use super::store::{Credentials, Store};
 
-/// FileStore references a credentials store file
+/// references a credentials store file
 pub struct FileStore {
     path: String,
     credentials: Vec<Credentials>,
@@ -17,9 +18,8 @@ impl FileStore {
         }
     }
 
-    /// parse_contents loads and reads the file asynchonously
+    /// loads and reads the file asynchonously
-    ///
+    /// parses the file line by line to retrieve the credentials
-    /// It parses the file line by line to retrieve the credentials
     async fn parse_contents(&mut self) {
         let contents = tokio::fs::read_to_string(&self.path).await;
         let mut credentials: Vec<Credentials> = vec![];
@@ -47,31 +47,41 @@ impl FileStore {
         self.credentials = credentials;
     }
 
-    /// auth checks if the credentials exist in the `FileStore`
+    /// checks if the credentials exist in the `FileStore`
-    fn auth(&self, email: String, password: String) -> bool {
+    fn auth(&self, email: String, password: String) -> Option<Credentials> {
         let credentials: Vec<&Credentials> = self
             .credentials
             .iter()
-            .filter(|x| *x.get_email() == email && *x.get_password() == password)
+            .filter(|x| x.email == email && x.password == password)
             .collect();
         if credentials.len() == 1 {
-            return true;
+            // no need to store the password again
+            return Some(Credentials::new(
+                credentials[0].email.clone(),
+                "".to_string(),
+            ));
         }
-        false
+        None
     }
 }
 
 #[async_trait]
 impl Store for FileStore {
-    async fn is_auth(&mut self, credentials: &Credentials) -> bool {
+    async fn is_auth(&mut self, data: &json::JsonValue) -> Option<Credentials> {
         // ensure that the store file already exists even after its instanciation
         if !Path::new(&self.path).is_file() {
             log::error!("{} path referencing file store does not exist", self.path);
-            return false;
+            return None;
+        }
+
+        let credentials = Credentials::from(data);
+        if credentials.is_empty() {
+            log::error!("unable to parse the credentials correctly from the incoming request");
+            return None;
         }
 
         self.parse_contents().await;
-        self.auth(credentials.get_email(), credentials.get_password())
+        self.auth(credentials.email, credentials.password)
     }
 }
 
@@ -80,14 +90,13 @@ async fn test_store() {
     use std::env;
 
     let root_path = env::var("CARGO_MANIFEST_DIR").unwrap();
+    // TODO: path::Path should be better
     let store_path = format!("{}/{}/{}/{}", root_path, "tests", "data", "store.txt");
 
     let mut store = FileStore::new(store_path);
 
     let data = json::parse(r#"{"email": "toto@toto.fr", "password": "tata"}"#).unwrap();
-    let credentials = Credentials::from(&data);
+    let credentials = store.is_auth(&data).await;
-    assert_eq!(credentials.get_email(), "toto@toto.fr");
+    assert_eq!(false, credentials.is_none());
-
+    assert_eq!(credentials.unwrap().email, "toto@toto.fr");
-    let is_auth = store.is_auth(&credentials).await;
-    assert_eq!(true, is_auth);
 }

src/stores/mod.rs

@@ -1,7 +1,8 @@
-//! **store** module lists interfaces available to check credentials. Each store must implement the trait `is_auth`.
+//! store module lists interfaces available to check request credentials
-//!
+//! each store must implement the trait `is_auth`
-//! For now one store is available:
+//! two stores are available :
 //! * `FileStore`: credentials stored in a text file (like **/etc/passwd**)
+//! * `DBStore`: credentials stored in a database (TODO)
 
 mod file;
 mod store;

src/stores/store.rs

@@ -1,55 +1,47 @@
 use async_trait::async_trait;
-use json::JsonValue;
+use json;
-use serde::Deserialize;
+
+use crate::utils::extract_json_value;
 
 #[async_trait]
 pub trait Store {
-    async fn is_auth(&mut self, data: &Credentials) -> bool;
+    async fn is_auth(&mut self, data: &json::JsonValue) -> Option<Credentials>;
 }
 
-#[derive(Default, Debug, Deserialize)]
+#[derive(Default, Debug)]
 pub struct Credentials {
-    email: String,
+    pub email: String,
-    password: String,
+    pub password: String,
 }
 
-/// Credentials represents the incoming user credentials for authentication checking
 impl Credentials {
     pub fn new(email: String, password: String) -> Self {
         Credentials { email, password }
     }
 
-    pub fn get_email(&self) -> String {
-        self.email.clone()
-    }
-
-    pub fn get_password(&self) -> String {
-        self.password.clone()
-    }
-
     pub fn is_empty(&self) -> bool {
         self.email == "" || self.password == ""
     }
 }
 
-// TODO: could be less restrictive with `From<&str>`
+impl From<&json::JsonValue> for Credentials {
-impl From<&JsonValue> for Credentials {
+    fn from(data: &json::JsonValue) -> Self {
-    fn from(data: &JsonValue) -> Self {
+        let mut credentials = Credentials::default();
-        let res = serde_json::from_str(&data.dump());
+        match data {
-        match res {
+            json::JsonValue::Object(ref d) => {
-            Ok(c) => c,
+                credentials.email = extract_json_value(&d, "email").unwrap_or("".to_string());
-            Err(e) => {
+                credentials.password = extract_json_value(&d, "password").unwrap_or("".to_string());
-                log::warn!("unable to deserialize credentials: {}", e);
-                return Credentials::default();
             }
+            _ => return credentials,
         }
+        credentials
     }
 }
 
 #[test]
 fn test_credentials() {
     struct Expect {
-        data: JsonValue,
+        data: json::JsonValue,
         is_empty: bool,
     }
     let test_cases: [Expect; 2] = [

src/utils/mod.rs

@@ -0,0 +1,4 @@
+//! includes utility function, that's all !
+mod utils;
+
+pub use utils::extract_json_value;

src/utils/utils.rs

@@ -0,0 +1,30 @@
+use json::object::Object;
+
+/// extracts JSON value from a key
+pub fn extract_json_value(data: &Object, key: &str) -> Option<String> {
+    match data.get(key) {
+        Some(u) => match u.as_str() {
+            Some(s) => return Some(s.to_string()),
+            None => None,
+        },
+        None => None,
+    }
+}
+
+#[test]
+fn test_extract_json_value() {
+    let test_cases: [(json::JsonValue, bool, bool); 3] = [
+        (json::parse(r#"{"test": ""}"#).unwrap(), true, true),
+        (json::parse(r#"{}"#).unwrap(), true, false),
+        (json::parse(r#"[]"#).unwrap(), false, false),
+    ];
+
+    for (value, is_valid, has_key) in test_cases {
+        match value {
+            json::JsonValue::Object(d) => {
+                assert_eq!(has_key, extract_json_value(&d, "test").is_some());
+            }
+            _ => assert!(!is_valid),
+        }
+    }
+}

tests/bash/curling.bash

@@ -16,31 +16,15 @@ fi
 for i in {0..10}
 do
 	http_response=$(curl -s -o response.txt -w "%{http_code}" ${URL}/get/ -d '{"username":"toto", "password":"tutu"}')
-	if [ $http_response != "400" ]
-	then
-		echo "bad http status code : ${http_response}, expect 400"
-		exit 1
-	fi
-
-	if [ "$(cat response.txt | jq -r '.error')" != "bad request" ]
-	then
-		echo "bad data returned, expect : bad request"
-		exit 1
-	fi
-done
-
-for i in {0..10}
-do
-	http_response=$(curl -s -o response.txt -w "%{http_code}" ${URL}/get/ -d '{"email":"toto", "password":"tutu"}')
 	if [ $http_response != "403" ]
 	then
-		echo "bad http status code : ${http_response}, expect 403"
+		echo "bad http status code : ${http_response}, expect 200"
 		exit 1
 	fi
 
-	if [ "$(cat response.txt | jq -r '.error')" != "url forbidden" ]
+	if [ "$(cat response.txt | jq -r '.error')" != "invalid credentials" ]
 	then
-		echo "bad data returned, expect : url forbidden"
+		echo "bad data returned, expect : invalid credentials"
 		exit 1
 	fi
 done
@@ -51,7 +35,7 @@ do
 	http_response=$(curl -s -o response.txt -w "%{http_code}" ${URL}/ge/ -d '{"username":"toto", "password":"tutu"}')
 	if [ $http_response != "404" ]
 	then
-		echo "bad http status code : ${http_response}, expect 404"
+		echo "bad http status code : ${http_response}, expect 400"
 		exit 1
 	fi
 done
@@ -62,7 +46,7 @@ do
 	http_response=$(curl -s -o response.txt -w "%{http_code}" ${URL}/pubkey/)
 	if [ $http_response != "200" ]
 	then
-		echo "bad http status code : ${http_response}, expect 200"
+		echo "bad http status code : ${http_response}, expect 400"
 		exit 1
 	fi
 done

tests/python/test_requests.py

@@ -22,7 +22,7 @@ class TestResponse(TestCase):
         self.assertEqual(resp.status_code, 200, "bad status code returned")
         self.assertIsNotNone(resp.json(), "response data can't be empty")
 
-        token = resp.json()["access_token"]
+        token = resp.json()["token"]
         jwt_decoded = jwt.decode(
             token,
             pubkey or self.pub_key,
@@ -48,14 +48,14 @@ class TestResponse(TestCase):
         )
         self.assertEqual(resp.status_code, 200, "bad status code returned")
         self.assertIsNotNone(resp.json(), "response data can't be empty")
-        self.assertEqual(resp.json()["valid"], False, "bad status returned")
+        self.assertEqual(resp.json()["valid"], "false", "bad status returned")
         self.assertEqual(resp.json()["reason"], "no token provided in the request body")
 
     def test_validate_target_empty_token(self):
         resp = requests.post(URL + "/validate/", json={"tutu": "tutu", "token": ""})
         self.assertEqual(resp.status_code, 200, "bad status code returned")
         self.assertIsNotNone(resp.json(), "response data can't be empty")
-        self.assertEqual(resp.json()["valid"], False, "bad status returned")
+        self.assertEqual(resp.json()["valid"], "false", "bad status returned")
         self.assertEqual(
             resp.json()["reason"],
             "token validation failed details=JWT compact encoding error",
@@ -67,7 +67,7 @@ class TestResponse(TestCase):
         resp = requests.post(URL + "/validate/", json={"token": token})
         self.assertEqual(resp.status_code, 200, "bad status code returned")
         self.assertIsNotNone(resp.json(), "response data can't be empty")
-        self.assertEqual(resp.json()["valid"], True, "bad status returned")
+        self.assertEqual(resp.json()["valid"], "true", "bad status returned")
 
     # TODO: must be updated after implementing `/refresh/` url handler
     def test_refresh_target(self):
@@ -78,7 +78,7 @@ class TestResponse(TestCase):
         self.assertIsNotNone(resp.json(), "response data can't be empty")
         self.assertEqual(
             resp.json()["error"],
-            "url not found",
+            "the url requested does not exist",
             "bad status returned",
         )
 
@@ -88,7 +88,7 @@ class TestResponse(TestCase):
         self.assertIsNotNone(resp.json(), "response data must not be empty")
         self.assertEqual(
             resp.json()["error"],
-            "bad request",
+            "the incoming request is not valid",
             "invalid error message returned",
         )
 
@@ -98,7 +98,7 @@ class TestResponse(TestCase):
         self.assertIsNotNone(resp.json(), "response data must not be empty")
         self.assertEqual(
             resp.json()["error"],
-            "url forbidden",
+            "invalid credentials",
             "invalid error message returned",
         )
 
@@ -110,7 +110,7 @@ class TestResponse(TestCase):
         self.assertIsNotNone(resp.json(), "response data must not be empty")
         self.assertEqual(
             resp.json()["error"],
-            "url not found",
+            "the url requested does not exist",
             "invalid error message returned",
         )
 
@@ -133,6 +133,6 @@ class TestResponse(TestCase):
         self.assertIsNotNone(resp.json(), "response data must not be empty")
         self.assertEqual(
             resp.json()["error"],
-            "bad request",
+            "the incoming request is not valid",
             "invalid error message returned",
         )