Init Github actions

.github/workflows/format.yml

@@ -0,0 +1,42 @@
+name: "Run Format"
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+# Check formatting with rustfmt
+jobs:
+  format:
+    name: cargo fmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Cache cargo dependencies
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Set up rust toolchain
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: "clippy, rustfmt"
+          toolchain: 1.83
+
+      - name: Add wasm32-wasi target
+        run: rustup target add wasm32-wasip1
+
+      - name: Run cargo fmt
+        uses: actions-rust-lang/rustfmt@v1
+
+      - name: Run cargo clipply
+        run: cargo clippy --all-targets --all-features
+

.github/workflows/test.yml

@@ -0,0 +1,39 @@
+name: "Run Tests"
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    name: cargo test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Cache Cargo dependencies
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Set up Rust tool chain
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: 1.83
+
+      - name: Add wasm32-wasi target
+        run: rustup target add wasm32-wasip1
+
+      - name: Setup Viceroy
+        run: cargo install viceroy
+
+      - name: Run tests
+        run: cargo test

Cargo.toml

@@ -7,7 +7,6 @@ edition = "2021"
 # Otherwise, `publish = false` prevents an accidental `cargo publish` from revealing private source.
 publish = false
 license = "Apache-2.0"
-license-file = "LICENSE"
 
 [profile.release]
 debug = 1

src/cookies.rs

@@ -1,9 +1,8 @@
 use cookie::{Cookie, CookieJar};
 use fastly::http::header;
 use fastly::Request;
-use log;
 
-const COOKIE_MAX_AGE: i32 = 1 * 365 * 24 * 60 * 60; // 1 year
+const COOKIE_MAX_AGE: i32 = 365 * 24 * 60 * 60; // 1 year
 
 // return empty cookie jar for unparsable cookies
 pub fn parse_cookies_to_jar(s: &str) -> CookieJar {
@@ -80,8 +79,8 @@ mod tests {
 
     #[test]
     fn test_handle_request_cookies() {
-        let mut req = Request::get("http://example.com").with_header(header::COOKIE, "c1=v1;c2=v2");
-        let jar = handle_request_cookies(&mut req).unwrap();
+        let req = Request::get("http://example.com").with_header(header::COOKIE, "c1=v1;c2=v2");
+        let jar = handle_request_cookies(&req).unwrap();
 
         assert!(jar.iter().count() == 2);
         assert_eq!(jar.get("c1").unwrap().value(), "v1");
@@ -90,24 +89,24 @@ mod tests {
 
     #[test]
     fn test_handle_request_cookies_with_empty_cookie() {
-        let mut req = Request::get("http://example.com").with_header(header::COOKIE, "");
-        let jar = handle_request_cookies(&mut req).unwrap();
+        let req = Request::get("http://example.com").with_header(header::COOKIE, "");
+        let jar = handle_request_cookies(&req).unwrap();
 
         assert!(jar.iter().count() == 0);
     }
 
     #[test]
     fn test_handle_request_cookies_no_cookie_header() {
-        let mut req: Request = Request::get("https://example.com");
-        let jar = handle_request_cookies(&mut req);
+        let req: Request = Request::get("https://example.com");
+        let jar = handle_request_cookies(&req);
 
         assert!(jar.is_none());
     }
 
     #[test]
     fn test_handle_request_cookies_invalid_cookie_header() {
-        let mut req = Request::get("http://example.com").with_header(header::COOKIE, "invalid");
-        let jar = handle_request_cookies(&mut req).unwrap();
+        let req = Request::get("http://example.com").with_header(header::COOKIE, "invalid");
+        let jar = handle_request_cookies(&req).unwrap();
 
         assert!(jar.iter().count() == 0);
     }

src/main.rs

@@ -129,22 +129,22 @@ fn handle_ad_request(settings: &Settings, req: Request) -> Result<Response, Erro
     println!("Fetching current count for synthetic ID: {}", synthetic_id);
     let current_count: i32 = store
         .lookup(&synthetic_id)
-        .and_then(|mut val| {
+        .map(|mut val| {
             // Convert LookupResponse to bytes first
             match String::from_utf8(val.take_body_bytes()) {
                 Ok(s) => {
                     println!("Value from KV store: {}", s);
-                    Ok(Some(s))
+                    Some(s)
                 }
                 Err(e) => {
                     println!("Error converting bytes to string: {}", e);
-                    Ok(None)
+                    None
                 }
             }
         })
-        .and_then(|opt_s| {
+        .map(|opt_s| {
             println!("Parsing string value: {:?}", opt_s);
-            Ok(opt_s.and_then(|s| s.parse().ok()))
+            opt_s.and_then(|s| s.parse().ok())
         })
         .unwrap_or_else(|_| {
             println!("No existing count found, starting at 0");
@@ -163,7 +163,10 @@ fn handle_ad_request(settings: &Settings, req: Request) -> Result<Response, Erro
     println!("Synthetic ID {} visit count: {}", synthetic_id, new_count);
 
     // Construct URL with synthetic ID
-    let ad_server_url = settings.ad_server.sync_url.replace("{{synthetic_id}}", &synthetic_id);
+    let ad_server_url = settings
+        .ad_server
+        .sync_url
+        .replace("{{synthetic_id}}", &synthetic_id);
 
     println!("Sending request to backend: {}", ad_server_url);
 

src/prebid.rs

@@ -1,7 +1,6 @@
 use fastly::http::{header, Method};
 use fastly::{Error, Request, Response};
 use serde_json::json;
-use url;
 
 use crate::constants::{SYNTH_HEADER_FRESH, SYNTH_HEADER_POTSI};
 use crate::settings::Settings;

src/synthetic.rs

@@ -1,7 +1,6 @@
 use fastly::http::header;
 use fastly::Request;
 use hmac::{Hmac, Mac};
-use log;
 use sha2::Sha256;
 
 use crate::constants::SYNTH_HEADER_POTSI;
@@ -65,7 +64,7 @@ pub fn get_or_generate_synthetic_id(settings: &Settings, req: &Request) -> Strin
         return potsi;
     }
 
-    let req_cookie_jar: Option<cookie::CookieJar> = handle_request_cookies(&req);
+    let req_cookie_jar: Option<cookie::CookieJar> = handle_request_cookies(req);
     match req_cookie_jar {
         Some(jar) => {
             let potsi_cookie = jar.get("synthetic_id");
@@ -121,11 +120,11 @@ mod tests {
     fn test_generate_synthetic_id() {
         let settings: Settings = create_settings();
         let req = create_test_request(vec![
-            (&header::USER_AGENT.to_string(), "Mozilla/5.0"),
-            (&header::COOKIE.to_string(), "pub_userid=12345"),
+            (header::USER_AGENT.as_ref(), "Mozilla/5.0"),
+            (header::COOKIE.as_ref(), "pub_userid=12345"),
             ("X-Pub-User-ID", "67890"),
-            (&header::HOST.to_string(), "example.com"),
-            (&header::ACCEPT_LANGUAGE.to_string(), "en-US,en;q=0.9"),
+            (header::HOST.as_ref(), "example.com"),
+            (header::ACCEPT_LANGUAGE.as_ref(), "en-US,en;q=0.9"),
         ]);
 
         let synthetic_id = generate_synthetic_id(&settings, &req);
@@ -148,7 +147,7 @@ mod tests {
     fn test_get_or_generate_synthetic_id_with_cookie() {
         let settings = create_settings();
         let req = create_test_request(vec![(
-            &header::COOKIE.to_string(),
+            header::COOKIE.as_ref(),
             "synthetic_id=existing_cookie_id",
         )]);