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-rw-r--r--src/lib.rs87
-rw-r--r--src/main.rs18
2 files changed, 71 insertions, 34 deletions
diff --git a/src/lib.rs b/src/lib.rs
index 5fd54c9..8c60068 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,9 @@
+use std::collections::HashMap;
use serde::{Serialize, Deserialize};
use hyper::{Request, Body, Method, Uri};
use http::request;
+use url;
pub mod parse;
@@ -9,6 +11,7 @@ pub mod parse;
pub struct ProxyConfig {
pub bind_addr: Option<String>, // 127.0.0.1:9292
pub upstream_addr: Option<String>, // 127.0.0.1:9200
+ pub allow_all_indices: Option<bool>,
pub index: Vec<IndexConfig>
}
@@ -20,6 +23,9 @@ pub struct IndexConfig {
impl ProxyConfig {
pub fn allow_index(&self, name: &str) -> bool {
+ if self.allow_all_indices == Some(true) {
+ return true
+ }
for index in &self.index {
if index.name == name {
return true
@@ -30,16 +36,15 @@ impl ProxyConfig {
}
#[derive(Debug)]
-pub enum ParsedRequest {
+pub enum ProxyError {
Malformed(String),
ParseError(String),
NotAllowed(String),
NotSupported(String),
NotFound(String),
- Allowed(Request<Body>),
}
-pub fn parse_request(req: Request<Body>, config: &ProxyConfig) -> ParsedRequest {
+pub async fn parse_request(req: Request<Body>, config: &ProxyConfig) -> Result<Request<Body>, ProxyError> {
let (parts, body) = req.into_parts();
// split path into at most 3 chunks
@@ -49,60 +54,86 @@ pub fn parse_request(req: Request<Body>, config: &ProxyConfig) -> ParsedRequest
}
let path_chunks: Vec<&str> = req_path.split("/").collect();
if path_chunks.len() > 3 {
- return ParsedRequest::NotSupported("only request paths with up to three segments allowed".to_string())
+ return Err(ProxyError::NotSupported("only request paths with up to three segments allowed".to_string()))
}
- println!("{:?}", path_chunks);
+ let raw_params: HashMap<String, String> = parts.uri.query()
+ .map(|v| {
+ url::form_urlencoded::parse(v.as_bytes())
+ .into_owned()
+ .collect()
+ })
+ .unwrap_or_else(HashMap::new);
// this is sort of like a router
- match (&parts.method, path_chunks.as_slice()) {
+ let body = match (&parts.method, path_chunks.as_slice()) {
(&Method::GET, [""]) | (&Method::HEAD, [""]) => {
- parse_request_basic("", &parts, config)
+ Body::empty()
},
(&Method::POST, ["_search", "scroll"]) | (&Method::DELETE, ["_search", "scroll"]) => {
- parse_request_scroll(None, &parts, body, config)
+ let whole_body = hyper::body::to_bytes(body).await.unwrap();
+ parse_request_scroll(None, &parts, &whole_body, config)?
},
(&Method::POST, ["_search", "scroll", key]) | (&Method::DELETE, ["_search", "scroll", key]) => {
- parse_request_scroll(Some(key), &parts, body, config)
+ let whole_body = hyper::body::to_bytes(body).await.unwrap();
+ parse_request_scroll(Some(key), &parts, &whole_body, config)?
},
(&Method::GET, [index, "_search"]) | (&Method::POST, [index, "_search"]) => {
- parse_request_search(index, &parts, body, config)
+ let whole_body = hyper::body::to_bytes(body).await.unwrap();
+ parse_request_search(index, &parts, &whole_body, config)?
+ },
+ (&Method::GET, [index, "_count"]) | (&Method::POST, [index, "_count"]) => {
+ let whole_body = hyper::body::to_bytes(body).await.unwrap();
+ parse_request_search(index, &parts, &whole_body, config)?
},
//(Method::GET, [index, "_count"]) => {
- // parse_request_count(index, "_count", None, &parts, body, config)
+ // parse_request_count(index, "_count", None, &parts, body, config)?
//},
(&Method::GET, [index, "_doc", key]) | (&Method::GET, [index, "_source", key]) => {
- parse_request_read(index, path_chunks[1], key, &parts, body, config)
+ parse_request_read(index, path_chunks[1], key, &parts, config)?
},
- _ => ParsedRequest::NotSupported("unknown endpoint".to_string()),
- }
-}
+ _ => Err(ProxyError::NotSupported("unknown endpoint".to_string()))?,
+ };
-pub fn parse_request_basic(endpoint: &str, parts: &request::Parts, config: &ProxyConfig) -> ParsedRequest {
- // XXX: partial
+ // TODO: pass-through query parameters
let upstream_uri = Uri::builder()
.scheme("http")
.authority(config.upstream_addr.as_ref().unwrap_or(&"localhost:9200".to_string()).as_str())
- .path_and_query(format!("/{}", endpoint).as_str())
+ .path_and_query(format!("{}", req_path).as_str())
.build()
.unwrap();
- println!("{:?}", upstream_uri);
+
let upstream_req = Request::builder()
.uri(upstream_uri)
.method(&parts.method)
- .body(Body::empty())
+ .body(body)
.unwrap();
- ParsedRequest::Allowed(upstream_req)
-}
-pub fn parse_request_scroll(key: Option<&str>, parts: &request::Parts, body: Body, config: &ProxyConfig) -> ParsedRequest {
- ParsedRequest::NotSupported("not yet implemented".to_string())
+ Ok(upstream_req)
+}
+pub fn parse_request_scroll(key: Option<&str>, parts: &request::Parts, body: &[u8], config: &ProxyConfig) -> Result<Body, ProxyError> {
+ // XXX
+ //let _parsed: ScrollBody = serde_json::from_str(&body).unwrap();
+ Err(ProxyError::NotSupported("not yet implemented".to_string()))
}
-pub fn parse_request_search(index: &str, parts: &request::Parts, body: Body, config: &ProxyConfig) -> ParsedRequest {
- ParsedRequest::NotSupported("not yet implemented".to_string())
+pub fn parse_request_read(index: &str, endpoint: &str, key: &str, parts: &request::Parts, config: &ProxyConfig) -> Result<Body, ProxyError>{
+ if !config.allow_index(index) {
+ return Err(ProxyError::NotAllowed(format!("index doesn't exist or isn't proxied: {}", index)));
+ }
+ // XXX: no body needed?
+ Ok(Body::empty())
}
-pub fn parse_request_read(index: &str, endpoint: &str, key: &str, parts: &request::Parts, body: Body, config: &ProxyConfig) -> ParsedRequest {
- ParsedRequest::NotSupported("not yet implemented".to_string())
+pub fn parse_request_search(index: &str, parts: &request::Parts, body: &[u8], config: &ProxyConfig) -> Result<Body, ProxyError> {
+ if !config.allow_index(index) {
+ return Err(ProxyError::NotAllowed(format!("index doesn't exist or isn't proxied: {}", index)));
+ }
+ // XXX: more checks
+ if body.len() > 0 {
+ let parsed: parse::ScrollBody = serde_json::from_slice(body).unwrap();
+ Ok(Body::from(serde_json::to_string(&parsed).unwrap()))
+ } else {
+ Ok(Body::empty())
+ }
}
diff --git a/src/main.rs b/src/main.rs
index 017b8c8..632c159 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,21 +1,21 @@
use hyper::service::{make_service_fn, service_fn};
-use hyper::{Body, Client, Request, Response, Server, Uri, StatusCode};
+use hyper::{Body, Client, Request, Response, Server, StatusCode};
use std::net::SocketAddr;
use std::env;
use toml;
-use es_public_proxy::{ProxyConfig, ParsedRequest, parse_request};
+use es_public_proxy::{ProxyConfig, ProxyError, parse_request};
async fn upstream_req(req: Request<Body>, config: ProxyConfig) -> Result<Response<Body>, hyper::Error> {
println!("hit: {}", req.uri());
- let parsed = parse_request(req, &config);
+ let parsed = parse_request(req, &config).await;
let resp = match parsed {
- ParsedRequest::Allowed(upstream_req) => {
+ Ok(upstream_req) => {
println!("sending request...");
Client::new().request(upstream_req).await?
}
- other => {
+ Err(other) => {
Response::builder()
.status(StatusCode::NOT_FOUND)
.body(format!("oh noooo! {:?}", other).into())
@@ -68,6 +68,7 @@ fn load_config() -> ProxyConfig {
let args: Vec<String> = env::args().collect();
let args: Vec<&str> = args.iter().map(|x| x.as_str()).collect();
let mut config_path: Option<String> = None;
+ let mut allow_all_indices = false;
// first parse CLI arg
match args.as_slice() {
@@ -77,6 +78,7 @@ fn load_config() -> ProxyConfig {
std::process::exit(0);
},
[_, "--config", p] => { config_path = Some(p.to_string()) },
+ [_, "--allow-all-indices"] => { allow_all_indices = true },
_ => {
eprintln!("{}", usage());
eprintln!("couldn't parse arguments");
@@ -90,13 +92,17 @@ fn load_config() -> ProxyConfig {
}
// then either load config file (TOML), or use default config
- if let Some(config_path) = config_path {
+ let mut config = if let Some(config_path) = config_path {
let config_toml = std::fs::read_to_string(config_path).unwrap();
let config: ProxyConfig = toml::from_str(&config_toml).unwrap();
config
} else {
ProxyConfig::default()
+ };
+ if allow_all_indices {
+ config.allow_all_indices = Some(true);
}
+ config
}
#[tokio::main]
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 23:02:02 +0000