Attempt at Forgejo Webhook support

Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>

Cargo.toml

@@ -8,6 +8,7 @@ license = "AGPL-3.0+"
 
 [dependencies]
 clap = { version = "4.5", features = [ "cargo" ] }
+forgejo-hooks = "*"
 gitlab = "0.1610"
 hyper = { version = "1.4", default-features = false, features = [ "http1", "server" ] }
 hyper-util = { version = "0.1", features = [ "tokio" ] }
@@ -21,3 +22,6 @@ serde = { version = "1.0", features = [ "derive" ] }
 serde_json = "1.0"
 toml = "0.8"
 xmpp = "0.5"
+
+[patch.crates-io]
+forgejo-hooks = { path = "forgejo-hooks" }

forgejo-hooks/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "forgejo-hooks"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+serde = { version = "1.0", features = ["derive"] }

forgejo-hooks/src/lib.rs

@@ -0,0 +1,63 @@
+
+use serde::Deserialize;
+
+#[derive(Deserialize, Debug)]
+pub struct CommitAuthor {
+    pub name: String,
+    pub email: String,
+    pub username: String,
+}
+
+#[derive(Deserialize, Debug)]
+pub struct User {
+    pub id: u32,
+    pub login: String,
+    pub full_name: String,
+    pub email: String,
+    pub avatar_url: String,
+    pub username: String,
+}
+
+#[derive(Deserialize, Debug)]
+pub struct Commit {
+    pub id: String,
+    pub message: String,
+    pub url: String,
+    pub author: CommitAuthor,
+    pub committer: CommitAuthor,
+    pub timestamp: String,
+}
+
+#[derive(Deserialize, Debug)]
+pub struct Repository {
+    pub id: u32,
+    pub owner: User,
+    pub name: String,
+    pub full_name: String,
+    pub description: String,
+    pub private: bool,
+    pub fork: bool,
+    pub html_url: String,
+    pub ssh_url: String,
+    pub clone_url: String,
+    pub website: String,
+    pub stars_count: u32,
+    pub forks_count: u32,
+    pub watchers_count: u32,
+    pub open_issues_count: u32,
+    pub default_branch: String,
+    pub created_at: String,
+    pub updated_at: String,
+}
+
+#[derive(Deserialize, Debug)]
+pub struct Hook {
+    #[serde(rename(deserialize = "ref"))]
+    pub ref_: String,
+    pub before: String,
+    pub compare_url: String,
+    pub commits: Vec<Commit>,
+    pub repository: Repository,
+    pub pusher: User,
+    pub sender: User,
+}

src/bot.rs

@@ -13,7 +13,7 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
 
-use crate::webhook::{format_webhook, WebHook};
+use crate::webhook::{format_webhook, GitlabHook};
 
 use log::debug;
 use xmpp::parsers::message::MessageType;
@@ -74,7 +74,7 @@ impl XmppClient {
 		}
 	}
 
-	pub async fn webhook(&mut self, wh: WebHook) {
+	pub async fn webhook(&mut self, wh: GitlabHook) {
 		debug!("Received Webhook");
 		if let Some(display) = format_webhook(&wh) {
 			debug!("Webhook: {}", display);

src/main.rs

@@ -24,7 +24,7 @@ mod webhook;
 use crate::bot::XmppClient;
 use crate::error::Error;
 use crate::web::webhooks;
-use crate::webhook::WebHook;
+use crate::webhook::Hook;
 
 use std::fs::File;
 use std::io::{Error as IoError, ErrorKind as IoErrorKind, Read};
@@ -130,7 +130,7 @@ async fn main() -> Result<!, Error> {
 		}
 	};
 
-	let (value_tx, mut value_rx) = mpsc::unbounded_channel::<WebHook>();
+	let (value_tx, mut value_rx) = mpsc::unbounded_channel::<Hook>();
 
 	let mut client = XmppClient::new(
 		config.jid,
@@ -169,8 +169,8 @@ async fn main() -> Result<!, Error> {
 				}
 			}
 			wh = value_rx.recv() => {
-				if let Some(wh) = wh {
+				if let Some(Hook::Gitlab(hook)) = wh {
-					client.webhook(wh).await
+					client.webhook(hook).await
 				}
 			}
 		}

src/web.rs

@@ -14,7 +14,7 @@
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 use crate::error::Error;
-use crate::webhook::WebHook;
+use crate::webhook::{ForgejoHook, GitlabHook, Hook};
 
 use std::convert::Infallible;
 use std::sync::{Arc, Mutex};
@@ -36,14 +36,13 @@ fn error_res<E: std::fmt::Debug>(e: E) -> Result<Response<Full<Bytes>>, Infallib
 	Ok(res)
 }
 
-async fn webhooks_inner(req: Request<Incoming>, token: &str) -> Result<WebHook, Error> {
+async fn webhooks_inner(req: Request<Incoming>, token: &str) -> Result<Hook, Error> {
 	match req.method() {
 		&Method::POST => (),
 		_ => return Err(Error::MethodMismatch),
 	}
 
 	debug!("Headers: {:?}", req.headers());
-
 	let headers = req.headers();
 	if let Some(content_type) = headers.get(header::CONTENT_TYPE)
 		&& content_type != "application/json"
@@ -51,27 +50,36 @@ async fn webhooks_inner(req: Request<Incoming>, token: &str) -> Result<WebHook,
 		return Err(Error::InvalidContentType);
 	}
 
-	if let Some(token) = token {
+	if let Some(val) = headers.get("X-Gitlab-Token")
-		match headers.get("X-Gitlab-Token") {
+		&& token != val
-			Some(val) if val == token => (),
+	{
-			_ => return Err(Error::InvalidToken),
+		return Err(Error::InvalidToken);
 	}
+
+	if let Some(content_type) = headers.get(header::CONTENT_TYPE)
+		&& content_type != "application/json"
+	{
+		return Err(Error::InvalidContentType);
 	}
 
 	let whole_body = req.collect().await?.aggregate();
-	Ok(serde_json::from_reader(whole_body.reader())?)
+	let hook = serde_json::from_reader(whole_body.reader())?;
+	Ok(Hook::Gitlab(hook))
 }
 
 pub async fn webhooks(
 	req: Request<Incoming>,
 	token: &str,
-	value_tx: Arc<Mutex<UnboundedSender<WebHook>>>,
+	value_tx: Arc<Mutex<UnboundedSender<Hook>>>,
 ) -> Result<Response<Full<Bytes>>, Infallible> {
 	match webhooks_inner(req, token).await {
 		Ok(wh) => {
 			debug!("Passed: {:?}", wh);
 
-			value_tx.lock().unwrap().send(wh).unwrap();
+			match wh {
+				hook @ Hook::Gitlab(_) => value_tx.lock().unwrap().send(hook).unwrap(),
+				_ => (),
+			}
 
 			Ok(Response::new(Full::new(Bytes::from("Hello, World!"))))
 		}

src/webhook.rs

@@ -13,12 +13,27 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
 
-pub use gitlab::webhooks::{IssueAction, MergeRequestAction, WebHook, WikiPageAction};
+pub use forgejo_hooks::Hook as ForgejoHook;
+pub use gitlab::webhooks::{
+	IssueAction, MergeRequestAction, WebHook as GitlabHook, WikiPageAction,
+};
 use log::debug;
 
-pub fn format_webhook(wh: &WebHook) -> Option<String> {
+#[derive(Debug)]
-	Some(match wh {
+pub enum Hook {
-		WebHook::Push(push) => {
+	Forgejo(ForgejoHook),
+	Gitlab(GitlabHook),
+}
+
+impl From<GitlabHook> for Hook {
+	fn from(hook: GitlabHook) -> Hook {
+		Hook::Gitlab(hook)
+	}
+}
+
+pub fn format_webhook(glh: &GitlabHook) -> Option<String> {
+	Some(match glh {
+		GitlabHook::Push(push) => {
 			if push.ref_ != "refs/heads/main" {
 				// Ignore: Action not on 'main' branch
 				return None;
@@ -45,7 +60,7 @@ pub fn format_webhook(wh: &WebHook) -> Option<String> {
 			}
 			text
 		}
-		WebHook::Issue(issue) => {
+		GitlabHook::Issue(issue) => {
 			let action = match issue.object_attributes.action {
 				Some(IssueAction::Update) => return None,
 				Some(IssueAction::Open) => "opened",
@@ -68,7 +83,7 @@ pub fn format_webhook(wh: &WebHook) -> Option<String> {
 					.unwrap_or("".to_owned())
 			)
 		}
-		WebHook::MergeRequest(merge_req) => {
+		GitlabHook::MergeRequest(merge_req) => {
 			let action = match merge_req.object_attributes.action {
 				Some(MergeRequestAction::Update) => return None,
 				Some(MergeRequestAction::Open) => "opened",
@@ -93,7 +108,7 @@ pub fn format_webhook(wh: &WebHook) -> Option<String> {
 					.unwrap_or("".to_owned())
 			)
 		}
-		WebHook::Note(note) => {
+		GitlabHook::Note(note) => {
 			if let Some(_) = note.snippet {
 				return None;
 			}
@@ -120,11 +135,11 @@ pub fn format_webhook(wh: &WebHook) -> Option<String> {
 				unreachable!()
 			}
 		}
-		WebHook::Build(build) => {
+		GitlabHook::Build(build) => {
 			println!("Build: {:?}", build);
 			return None;
 		}
-		WebHook::WikiPage(page) => {
+		GitlabHook::WikiPage(page) => {
 			let action = match page.object_attributes.action {
 				WikiPageAction::Update => "updated",
 				WikiPageAction::Create => "created",
@@ -138,7 +153,7 @@ pub fn format_webhook(wh: &WebHook) -> Option<String> {
 				page.object_attributes.url,
 			)
 		}
-		_wh => {
+		_glh => {
 			debug!("Webhook not supported");
 			return None;
 		}