Fix CORS issues with API

Cargo.lock

@@ -994,9 +994,9 @@ dependencies = [
 
 [[package]]
 name = "generator"
-version = "0.6.25"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "061d3be1afec479d56fa3bd182bf966c7999ec175fcfdb87ac14d417241366c6"
+checksum = "c1d9279ca822891c1a4dae06d185612cf8fc6acfe5dff37781b41297811b12ee"
 dependencies = [
  "cc",
  "libc",
@@ -1465,8 +1465,8 @@ dependencies = [
 
 [[package]]
 name = "juniper"
-version = "0.15.5"
+version = "0.15.6"
-source = "git+https://github.com/graphql-rust/juniper?branch=master#84a07c4a93f96d4352a9a6a23732c46eae486be6"
+source = "git+https://github.com/graphql-rust/juniper?branch=master#ae199387fcf3a46888ef8464acb6011a149268c1"
 dependencies = [
  "async-trait",
  "bson",
@@ -1486,8 +1486,8 @@ dependencies = [
 
 [[package]]
 name = "juniper_codegen"
-version = "0.15.5"
+version = "0.15.6"
-source = "git+https://github.com/graphql-rust/juniper?branch=master#84a07c4a93f96d4352a9a6a23732c46eae486be6"
+source = "git+https://github.com/graphql-rust/juniper?branch=master#ae199387fcf3a46888ef8464acb6011a149268c1"
 dependencies = [
  "proc-macro-error",
  "proc-macro2",
@@ -1498,7 +1498,7 @@ dependencies = [
 [[package]]
 name = "juniper_rocket_async"
 version = "0.5.1"
-source = "git+https://github.com/graphql-rust/juniper?branch=master#84a07c4a93f96d4352a9a6a23732c46eae486be6"
+source = "git+https://github.com/graphql-rust/juniper?branch=master#ae199387fcf3a46888ef8464acb6011a149268c1"
 dependencies = [
  "futures",
  "juniper",
@@ -1568,11 +1568,11 @@ dependencies = [
 
 [[package]]
 name = "loom"
-version = "0.3.6"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0e8460f2f2121162705187214720353c517b97bdfb3494c0b1e33d83ebe4bed"
+checksum = "7aa5348dc45fa5f2419b6dd4ea20345e6b01b1fcc9d176a322eada1ac3f382ba"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "generator",
  "scoped-tls",
  "serde",
@@ -2572,7 +2572,7 @@ dependencies = [
 [[package]]
 name = "rocket"
 version = "0.5.0-dev"
-source = "git+https://github.com/SergioBenitez/Rocket?branch=master#0d53e23bf6cb86f9136fa8b37a92ba8076aacf67"
+source = "git+https://github.com/SergioBenitez/Rocket?branch=master#7595450adc1aa3892004f02b606706597eb924e9"
 dependencies = [
  "async-stream",
  "async-trait",
@@ -2609,7 +2609,7 @@ dependencies = [
 [[package]]
 name = "rocket_codegen"
 version = "0.5.0-dev"
-source = "git+https://github.com/SergioBenitez/Rocket?branch=master#0d53e23bf6cb86f9136fa8b37a92ba8076aacf67"
+source = "git+https://github.com/SergioBenitez/Rocket?branch=master#7595450adc1aa3892004f02b606706597eb924e9"
 dependencies = [
  "devise",
  "glob",
@@ -2621,10 +2621,25 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "rocket_cors"
+version = "0.5.2"
+source = "git+https://git.agnos.is/projectmoon/rocket_cors?branch=sync-rocket-version#a25ba220140030e4553936a8ae130af0d89318dd"
+dependencies = [
+ "log",
+ "regex",
+ "rocket",
+ "serde",
+ "serde_derive",
+ "unicase",
+ "unicase_serde",
+ "url",
+]
+
 [[package]]
 name = "rocket_http"
 version = "0.5.0-dev"
-source = "git+https://github.com/SergioBenitez/Rocket?branch=master#0d53e23bf6cb86f9136fa8b37a92ba8076aacf67"
+source = "git+https://github.com/SergioBenitez/Rocket?branch=master#7595450adc1aa3892004f02b606706597eb924e9"
 dependencies = [
  "cookie",
  "either",
@@ -3255,8 +3270,9 @@ dependencies = [
 
 [[package]]
 name = "state"
-version = "0.4.2"
+version = "0.5.1"
-source = "git+https://github.com/SergioBenitez/state.git?rev=8f94dc#8f94dce673b7d4b0e7b96c808a84f5e2a4be4a60"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b54c22963194db84a59ee48e1fa9ed6c1fa9909ad5db92a700aa6fe956d632b"
 dependencies = [
  "loom",
 ]
@@ -3429,6 +3445,7 @@ dependencies = [
  "log",
  "prost",
  "rocket",
+ "rocket_cors",
  "tenebrous-rpc",
  "tonic",
  "tracing-subscriber",
@@ -3872,6 +3889,25 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eeba86d422ce181a719445e51872fa30f1f7413b62becb52e95ec91aa262d85c"
 
+[[package]]
+name = "unicase"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
+dependencies = [
+ "version_check",
+]
+
+[[package]]
+name = "unicase_serde"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ef53697679d874d69f3160af80bc28de12730a985d57bdf2b47456ccb8b11f1"
+dependencies = [
+ "serde",
+ "unicase",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.5"

Cargo.toml

@@ -5,4 +5,9 @@ members = [
     "rpc",
     "api",
     "web-ui/crate",
-]
+]
+
+# Necessary to keep it in sync with current rocket master, as they do
+# not update fast enough.
+[patch.'https://github.com/lawliet89/rocket_cors']
+rocket_cors = { git = 'https://git.agnos.is/projectmoon/rocket_cors', branch = 'sync-rocket-version' }

api/Cargo.toml

@@ -13,3 +13,4 @@ tenebrous-rpc = { path = "../rpc" }
 juniper = { git = "https://github.com/graphql-rust/juniper", branch = "master" }
 juniper_rocket_async = { git = "https://github.com/graphql-rust/juniper", branch = "master" }
 rocket = { git = "https://github.com/SergioBenitez/Rocket", branch = "master" }
+rocket_cors = { git = "https://github.com/lawliet89/rocket_cors", branch = "master" }

api/Rocket.toml

@@ -6,3 +6,4 @@ read_timeout = 5
 write_timeout = 5
 log = "normal"
 limits = { forms = 32768 }
+origins = [ "http://localhost:8000" ]

api/src/main.rs

@@ -1,4 +1,7 @@
+use log::info;
+use rocket::http::Method;
 use rocket::{response::content, Rocket, State};
+use rocket_cors::AllowedOrigins;
 use std::env;
 use tenebrous_api::schema::{self, Context, Schema};
 use tracing_subscriber::filter::EnvFilter;
@@ -31,7 +34,7 @@ pub async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let filter = if env::var("RUST_LOG").is_ok() {
         EnvFilter::from_default_env()
     } else {
-        EnvFilter::new("tenebrous_api=info,tonic=info,rocket=info")
+        EnvFilter::new("tenebrous_api=info,tonic=info,rocket=info,rocket_cors=info")
     };
 
     tracing_subscriber::fmt().with_env_filter(filter).init();
@@ -45,13 +48,33 @@ pub async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     let schema = schema::schema();
 
-    Rocket::build()
+    let rocket = Rocket::build();
-        .manage(context)
+    let figment = rocket.figment();
-        .manage(schema)
+
+    let allowed_origins: Vec<String> = figment.extract_inner("origins").expect("origins");
+    info!("Allowed CORS origins: {}", allowed_origins.join(","));
+
+    let allowed_origins = AllowedOrigins::some_exact(&allowed_origins);
+
+    let cors = rocket_cors::CorsOptions {
+        allowed_origins,
+        allowed_methods: vec![Method::Get, Method::Post]
+            .into_iter()
+            .map(From::from)
+            .collect(),
+        allow_credentials: true,
+        ..Default::default()
+    }
+    .to_cors()?;
+
+    rocket
         .mount(
             "/",
             rocket::routes![graphiql, get_graphql_handler, post_graphql_handler],
         )
+        .attach(cors)
+        .manage(context)
+        .manage(schema)
         .launch()
         .await
         .expect("server to launch");