Fetch upstream configuration

Cargo.lock

@@ -568,6 +568,7 @@ dependencies = [
  "mime_guess",
  "qrcode-generator",
  "rand",
+ "reqwest",
  "serde",
  "serde_json",
  "serde_yaml",
@@ -858,6 +859,16 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "core-foundation"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.4"
@@ -1137,6 +1148,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "fastrand"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
+dependencies = [
+ "instant",
+]
+
 [[package]]
 name = "fdeflate"
 version = "0.3.0"
@@ -1196,6 +1216,15 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "futures-channel"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "955518d47e09b25bbebc7a18df10b81f0c766eaf4c4f1cccef2fca5f2a4fb5f2"
+dependencies = [
+ "futures-core",
+]
+
 [[package]]
 name = "futures-core"
 version = "0.3.28"
@@ -1401,6 +1430,17 @@ dependencies = [
  "itoa",
 ]
 
+[[package]]
+name = "http-body"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1"
+dependencies = [
+ "bytes",
+ "http",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "httparse"
 version = "1.8.0"
@@ -1428,6 +1468,43 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
+[[package]]
+name = "hyper"
+version = "0.14.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab302d72a6f11a3b910431ff93aae7e773078c769f0a3ef15fb9ec692ed147d4"
+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "httparse",
+ "httpdate",
+ "itoa",
+ "pin-project-lite",
+ "socket2",
+ "tokio",
+ "tower-service",
+ "tracing",
+ "want",
+]
+
+[[package]]
+name = "hyper-tls"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
+dependencies = [
+ "bytes",
+ "hyper",
+ "native-tls",
+ "tokio",
+ "tokio-native-tls",
+]
+
 [[package]]
 name = "iana-time-zone"
 version = "0.1.56"
@@ -1514,6 +1591,15 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "instant"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "io-lifetimes"
 version = "1.0.10"
@@ -1525,6 +1611,12 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "ipnet"
+version = "2.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12b6ee2129af8d4fb011108c73d99a1b83a85977f23b82460c0ae2e25bb4b57f"
+
 [[package]]
 name = "is-terminal"
 version = "0.4.7"
@@ -1762,6 +1854,24 @@ dependencies = [
  "windows-sys 0.45.0",
 ]
 
+[[package]]
+name = "native-tls"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e"
+dependencies = [
+ "lazy_static",
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
+
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -1899,6 +2009,12 @@ dependencies = [
  "syn 2.0.15",
 ]
 
+[[package]]
+name = "openssl-probe"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
+
 [[package]]
 name = "openssl-sys"
 version = "0.9.86"
@@ -1953,7 +2069,7 @@ checksum = "9069cbb9f99e3a5083476ccb29ceb1de18b9118cafa53e90c9551235de2b9521"
 dependencies = [
  "cfg-if",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.2.16",
  "smallvec",
  "windows-sys 0.45.0",
 ]
@@ -2133,6 +2249,15 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "regex"
 version = "1.8.1"
@@ -2150,6 +2275,43 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a5996294f19bd3aae0453a862ad728f60e6600695733dd5df01da90c54363a3c"
 
+[[package]]
+name = "reqwest"
+version = "0.11.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "27b71749df584b7f4cac2c426c127a7c785a5106cc98f7a8feb044115f0fa254"
+dependencies = [
+ "base64 0.21.0",
+ "bytes",
+ "encoding_rs",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-tls",
+ "ipnet",
+ "js-sys",
+ "log",
+ "mime",
+ "native-tls",
+ "once_cell",
+ "percent-encoding",
+ "pin-project-lite",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "tokio",
+ "tokio-native-tls",
+ "tower-service",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "winreg",
+]
+
 [[package]]
 name = "rfc6979"
 version = "0.3.1"
@@ -2235,6 +2397,15 @@ version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041"
 
+[[package]]
+name = "schannel"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "713cfb06c7059f3588fb8044c0fad1d09e3c01d225e25b9220dbfdcf16dbb1b3"
+dependencies = [
+ "windows-sys 0.42.0",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -2261,6 +2432,29 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "security-framework"
+version = "2.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a332be01508d814fed64bf28f798a146d73792121129962fdf335bb3c49a4254"
+dependencies = [
+ "bitflags",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31c9bb296072e961fcbd8853511dd39c2d8be2deb1e17c6860b1d30732b323b4"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "semver"
 version = "1.0.17"
@@ -2477,6 +2671,19 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "tempfile"
+version = "3.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9fbec84f381d5795b08656e4912bec604d162bff9291d6189a78f4c8ab87998"
+dependencies = [
+ "cfg-if",
+ "fastrand",
+ "redox_syscall 0.3.5",
+ "rustix",
+ "windows-sys 0.45.0",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.2.0"
@@ -2576,6 +2783,16 @@ dependencies = [
  "windows-sys 0.45.0",
 ]
 
+[[package]]
+name = "tokio-native-tls"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2"
+dependencies = [
+ "native-tls",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.7.7"
@@ -2599,6 +2816,12 @@ dependencies = [
  "ring",
 ]
 
+[[package]]
+name = "tower-service"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
+
 [[package]]
 name = "tracing"
 version = "0.1.37"
@@ -2632,6 +2855,12 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "try-lock"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3528ecfd12c466c6f163363caf2d02a71161dd5e1cc6ae7b34207ea2d42d81ed"
+
 [[package]]
 name = "typenum"
 version = "1.16.0"
@@ -2754,6 +2983,16 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "want"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
+dependencies = [
+ "log",
+ "try-lock",
+]
+
 [[package]]
 name = "wasi"
 version = "0.10.0+wasi-snapshot-preview1"
@@ -2791,6 +3030,18 @@ dependencies = [
  "wasm-bindgen-shared",
 ]
 
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f219e0d211ba40266969f6dbdd90636da12f75bee4fc9d6c23d1260dadb51454"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.84"
@@ -2920,6 +3171,21 @@ dependencies = [
  "windows-targets 0.48.0",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
+dependencies = [
+ "windows_aarch64_gnullvm 0.42.2",
+ "windows_aarch64_msvc 0.42.2",
+ "windows_i686_gnu 0.42.2",
+ "windows_i686_msvc 0.42.2",
+ "windows_x86_64_gnu 0.42.2",
+ "windows_x86_64_gnullvm 0.42.2",
+ "windows_x86_64_msvc 0.42.2",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.45.0"
@@ -3052,6 +3318,15 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
 
+[[package]]
+name = "winreg"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "x509-parser"
 version = "0.13.2"

Cargo.toml

@@ -37,4 +37,5 @@ url = "2.3.1"
 aes-gcm = { version = "0.10.1", features = ["aes"] }
 bincode = "1.3.3"
 chrono = "0.4.24"
-lazy_static = "1.4.0"
+lazy_static = "1.4.0"
+reqwest = { version = "0.11.16", features = ["json"] }

src/constants.rs

@@ -72,8 +72,11 @@ pub const OPEN_ID_REFRESH_TOKEN_TIMEOUT: u64 = 360000;
 pub const WEBAUTHN_REGISTER_CHALLENGE_EXPIRE: u64 = 3600;
 pub const WEBAUTHN_LOGIN_CHALLENGE_EXPIRE: u64 = 3600;
 
-/// OpenID provider login constants
+/// OpenID providers login state constants
 pub const OIDC_STATES_CLEANUP_INTERVAL: Duration = Duration::from_secs(60);
 pub const MAX_OIDC_PROVIDERS_STATES: usize = 10;
 pub const OIDC_PROVIDERS_STATE_LEN: usize = 40;
 pub const OIDC_PROVIDERS_STATE_DURATION: u64 = 60 * 15;
+
+/// OpenID providers configuration constants
+pub const OIDC_PROVIDERS_LIFETIME: u64 = 3600;

src/controllers/providers_controller.rs

@@ -1,13 +1,16 @@
+use std::sync::Arc;
+
+use actix::Addr;
+use actix_web::{web, HttpResponse, Responder};
+
 use crate::actors::providers_states_actor;
 use crate::actors::providers_states_actor::{ProviderLoginState, ProvidersStatesActor};
 use crate::controllers::base_controller::build_fatal_error_page;
 use crate::data::action_logger::{Action, ActionLogger};
 use crate::data::login_redirect::LoginRedirect;
 use crate::data::provider::{ProviderID, ProvidersManager};
+use crate::data::provider_configuration::ProviderConfigurationHelper;
 use crate::data::remote_ip::RemoteIP;
-use actix::Addr;
-use actix_web::{web, HttpResponse, Responder};
-use std::sync::Arc;
 
 #[derive(serde::Deserialize)]
 pub struct StartLoginQuery {
@@ -29,7 +32,7 @@ pub async fn start_login(
     let provider = match providers.find_by_id(&query.id) {
         None => {
             return HttpResponse::NotFound()
-                .body(build_fatal_error_page("Login provider not found!"))
+                .body(build_fatal_error_page("Login provider not found!"));
         }
         Some(p) => p,
     };
@@ -49,6 +52,19 @@ pub async fn start_login(
         state: &state.state_id,
     });
 
+    // Get provider configuration
+    let config = match ProviderConfigurationHelper::get_configuration(&provider).await {
+        Ok(c) => c,
+        Err(e) => {
+            log::error!("Failed to load provider configuration! {}", e);
+            return HttpResponse::InternalServerError().body(build_fatal_error_page(
+                "Failed to load provider configuration!",
+            ));
+        }
+    };
+
+    log::debug!("Provider configuration: {:?}", config);
+
     HttpResponse::Ok().body(state.state_id)
 
     // Redirect user

src/data/jwt_signer.rs

@@ -11,8 +11,10 @@ use base64::Engine as _;
 use crate::utils::err::Res;
 use crate::utils::string_utils::rand_str;
 
+const JWK_USE_SIGN: &str = "sig";
+
 /// Json Web Key <https://datatracker.ietf.org/doc/html/rfc7517>
-#[derive(serde::Serialize, serde::Deserialize)]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct JsonWebKey {
     #[serde(rename = "alg")]
     algorithm: String,
@@ -24,6 +26,8 @@ pub struct JsonWebKey {
     modulus: String,
     #[serde(rename = "e")]
     public_exponent: String,
+    #[serde(rename = "use", skip_serializing_if = "Option::is_none")]
+    usage: Option<String>,
 }
 
 #[derive(Debug, Clone)]
@@ -44,6 +48,7 @@ impl JWTSigner {
             key_id: self.0.key_id().as_ref().unwrap().to_string(),
             public_exponent: BASE64_URL_URL_SAFE.encode(components.e),
             modulus: BASE64_URL_SAFE_NO_PAD.encode(components.n),
+            usage: Some(JWK_USE_SIGN.to_string()),
         }
     }
 

src/data/mod.rs

@@ -12,6 +12,7 @@ pub mod login_redirect;
 pub mod open_id_user_info;
 pub mod openid_config;
 pub mod provider;
+pub mod provider_configuration;
 pub mod remote_ip;
 pub mod session_identity;
 pub mod totp_key;

src/data/provider_configuration.rs

@@ -0,0 +1,75 @@
+use std::cell::RefCell;
+use std::collections::HashMap;
+
+use crate::constants::OIDC_PROVIDERS_LIFETIME;
+use crate::data::jwt_signer::JsonWebKey;
+use crate::data::provider::Provider;
+use crate::utils::err::Res;
+use crate::utils::time::time;
+
+#[derive(Debug, Clone, serde::Deserialize)]
+pub struct ProviderDiscovery {
+    pub issuer: String,
+    pub authorization_endpoint: String,
+    pub token_endpoint: String,
+    pub userinfo_endpoint: Option<String>,
+    pub jwks_uri: String,
+    pub claims_supported: Option<Vec<String>>,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct ProviderJWKs {
+    pub keys: Vec<JsonWebKey>,
+}
+
+/// Provider configuration
+#[derive(Debug, Clone)]
+pub struct ProviderConfiguration {
+    pub discovery: ProviderDiscovery,
+    pub keys: ProviderJWKs,
+    pub expire: u64,
+}
+
+thread_local! {
+    static THREAD_CACHE: RefCell<HashMap<String, ProviderConfiguration>> = RefCell::new(Default::default());
+}
+
+pub struct ProviderConfigurationHelper {}
+
+impl ProviderConfigurationHelper {
+    /// Get or refresh the configuration for a provider
+    pub async fn get_configuration(provider: &Provider) -> Res<ProviderConfiguration> {
+        let config = THREAD_CACHE.with(|i| i.borrow().get(&provider.configuration_url).cloned());
+
+        // Refresh config cache if needed
+        if config.is_none() || config.as_ref().unwrap().expire < time() {
+            let conf = Self::fetch_configuration(provider).await?;
+
+            THREAD_CACHE.with(|i| {
+                i.borrow_mut()
+                    .insert(provider.configuration_url.clone(), conf.clone())
+            });
+
+            return Ok(conf);
+        }
+
+        // We can return immediately previously extracted value
+        Ok(config.unwrap())
+    }
+
+    /// Get fresh configuration from provider
+    async fn fetch_configuration(provider: &Provider) -> Res<ProviderConfiguration> {
+        let discovery: ProviderDiscovery = reqwest::get(&provider.configuration_url)
+            .await?
+            .json()
+            .await?;
+
+        let keys: ProviderJWKs = reqwest::get(&discovery.jwks_uri).await?.json().await?;
+
+        Ok(ProviderConfiguration {
+            discovery,
+            keys,
+            expire: time() + OIDC_PROVIDERS_LIFETIME,
+        })
+    }
+}