main: add rocket_cors middleware

Cargo.lock

@@ -9,6 +9,15 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "aho-corasick"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "743ad5a418686aad3b87fd14c43badd828cf26e214a00f92a384291cf22e1811"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -220,7 +229,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "400b347fe65ccfbd8f545c9d9a75d04b0caf23fec49aaa838a9a05398f94c019"
 dependencies = [
- "regex",
+ "regex 0.2.11",
 ]
 
 [[package]]
@@ -337,7 +346,7 @@ dependencies = [
  "time",
  "traitobject",
  "typeable",
- "unicase",
+ "unicase 1.4.2",
  "url",
 ]
 
@@ -819,13 +828,25 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9329abc99e39129fcceabd24cf5d85b4671ef7c29c50e972bc5afe32438ec384"
 dependencies = [
- "aho-corasick",
+ "aho-corasick 0.6.10",
  "memchr",
- "regex-syntax",
- "thread_local",
+ "regex-syntax 0.5.6",
+ "thread_local 0.3.6",
  "utf8-ranges",
 ]
 
+[[package]]
+name = "regex"
+version = "1.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "322cf97724bea3ee221b78fe25ac9c46114ebb51747ad5babd51a2fc6a8235a8"
+dependencies = [
+ "aho-corasick 0.7.8",
+ "memchr",
+ "regex-syntax 0.6.14",
+ "thread_local 1.0.1",
+]
+
 [[package]]
 name = "regex-syntax"
 version = "0.5.6"
@@ -835,6 +856,12 @@ dependencies = [
  "ucd-util",
 ]
 
+[[package]]
+name = "regex-syntax"
+version = "0.6.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b28dfe3fe9badec5dbf0a79a9cccad2cfc2ab5484bdb3e44cbd1ae8b3ba2be06"
+
 [[package]]
 name = "ring"
 version = "0.13.5"
@@ -910,6 +937,22 @@ dependencies = [
  "yansi 0.5.0",
 ]
 
+[[package]]
+name = "rocket_cors"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "270a960cba5a0b7928ad74268db7773ce932da6b550478383cefebe9f46c4e13"
+dependencies = [
+ "log 0.3.9",
+ "regex 1.3.4",
+ "rocket",
+ "serde",
+ "serde_derive",
+ "unicase 2.6.0",
+ "unicase_serde",
+ "url",
+]
+
 [[package]]
 name = "rocket_http"
 version = "0.4.2"
@@ -1041,6 +1084,7 @@ dependencies = [
  "lazy_static",
  "rocket",
  "rocket_contrib",
+ "rocket_cors",
  "rust-crypto",
  "scrypt",
  "serde",
@@ -1122,6 +1166,15 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "thread_local"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
+dependencies = [
+ "lazy_static",
+]
+
 [[package]]
 name = "time"
 version = "0.1.42"
@@ -1175,6 +1228,25 @@ dependencies = [
  "version_check 0.1.5",
 ]
 
+[[package]]
+name = "unicase"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
+dependencies = [
+ "version_check 0.9.1",
+]
+
+[[package]]
+name = "unicase_serde"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ef53697679d874d69f3160af80bc28de12730a985d57bdf2b47456ccb8b11f1"
+dependencies = [
+ "serde",
+ "unicase 2.6.0",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.4"

Cargo.toml

@@ -7,6 +7,7 @@ edition = "2018"
 [dependencies]
 rocket = "0.4.2"
 rocket_contrib = { version = "0.4.2", features = ["diesel_sqlite_pool"] }
+rocket_cors = "0.5.1"
 jwt = "0.4.0"
 diesel = { version = "1.4.3", features = ["sqlite", "chrono"] }
 diesel_migrations = "1.4.0"

src/main.rs

@@ -4,6 +4,7 @@
 extern crate rocket;
 #[macro_use]
 extern crate rocket_contrib;
+extern crate rocket_cors;
 #[macro_use]
 extern crate diesel;
 #[macro_use]
@@ -110,7 +111,18 @@ fn run_db_migrations(rocket: Rocket) -> Rocket {
 }
 
 pub fn build_rocket() -> Rocket {
+    // Make CORS options
+    let cors = rocket_cors::CorsOptions {
+        allowed_origins: rocket_cors::AllowedOrigins::All,
+        allowed_methods: vec![rocket::http::Method::Get, rocket::http::Method::Post]
+            .into_iter().map(From::from).collect(),
+        allowed_headers: rocket_cors::AllowedHeaders::all(),
+        send_wildcard: true,
+        ..Default::default()
+    }.to_cors().unwrap();
+
     let r = rocket::custom(build_config())
+        .attach(cors)
         .attach(DbConn::fairing())
         .mount("/", api::routes());
     run_db_migrations(r)