From 6179b298cb965249d2b1a8fe6694f0c7de6a8651 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sandro=20J=C3=A4ckel?= <sandro.jaeckel@gmail.com>
Date: Sat, 18 Jun 2022 13:22:42 +0200
Subject: [PATCH] Add gitea push hook

---
 doc/manual/src/webhooks.md       | 20 +++++++++++++++++---
 src/lib/Hydra/Controller/API.pm  | 16 ++++++++++++++++
 src/lib/Hydra/Controller/Root.pm |  3 ++-
 3 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/doc/manual/src/webhooks.md b/doc/manual/src/webhooks.md
index 2b26cd61..674e1064 100644
--- a/doc/manual/src/webhooks.md
+++ b/doc/manual/src/webhooks.md
@@ -1,9 +1,12 @@
 # Webhooks
 
-Hydra can be notified by github's webhook to trigger a new evaluation when a
+Hydra can be notified by github or gitea with webhooks to trigger a new evaluation when a
 jobset has a github repo in its input.
-To set up a github webhook go to `https://github.com/<yourhandle>/<yourrepo>/settings` and in the `Webhooks` tab
-click on `Add webhook`.
+
+## GitHub
+
+To set up a webhook for a GitHub repository go to `https://github.com/<yourhandle>/<yourrepo>/settings`
+and in the `Webhooks` tab click on `Add webhook`.
 
 - In `Payload URL` fill in `https://<your-hydra-domain>/api/push-github`.
 - In `Content type` switch to `application/json`.
@@ -11,3 +14,14 @@ click on `Add webhook`.
 - For `Which events would you like to trigger this webhook?` keep the default option for events on `Just the push event.`.
 
 Then add the hook with `Add webhook`.
+
+## Gitea
+
+To set up a webhook for a Gitea repository go to the settings of the repository in your Gitea instance
+and in the `Webhooks` tab click on `Add Webhook` and choose `Gitea` in the drop down.
+
+- In `Target URL` fill in `https://<your-hydra-domain>/api/push-gitea`.
+- Keep HTTP method `POST`, POST Content Type `application/json` and Trigger On `Push Events`.
+- Change the branch filter to match the git branch hydra builds.
+
+Then add the hook with `Add webhook`.
diff --git a/src/lib/Hydra/Controller/API.pm b/src/lib/Hydra/Controller/API.pm
index 8ebed599..60fb0fea 100644
--- a/src/lib/Hydra/Controller/API.pm
+++ b/src/lib/Hydra/Controller/API.pm
@@ -285,6 +285,22 @@ sub push_github : Chained('api') PathPart('push-github') Args(0) {
     $c->response->body("");
 }
 
+sub push_gitea : Chained('api') PathPart('push-gitea') Args(0) {
+    my ($self, $c) = @_;
+
+    $c->{stash}->{json}->{jobsetsTriggered} = [];
+
+    my $in = $c->request->{data};
+    my $url = $in->{repository}->{clone_url} or die;
+    print STDERR "got push from Gitea repository $url\n";
+
+    triggerJobset($self, $c, $_, 0) foreach $c->model('DB::Jobsets')->search(
+        { 'project.enabled' => 1, 'me.enabled' => 1 },
+        { join => 'project'
+        , where => \ [ 'me.flake like ? or exists (select 1 from JobsetInputAlts where project = me.project and jobset = me.name and value like ?)', [ 'flake', "%$url%"], [ 'value', "%$url%" ] ]
+        });
+    $c->response->body("");
+}
 
 
 1;
diff --git a/src/lib/Hydra/Controller/Root.pm b/src/lib/Hydra/Controller/Root.pm
index 394e3577..79cb44b3 100644
--- a/src/lib/Hydra/Controller/Root.pm
+++ b/src/lib/Hydra/Controller/Root.pm
@@ -35,6 +35,7 @@ sub noLoginNeeded {
 
   return $whitelisted ||
          $c->request->path eq "api/push-github" ||
+         $c->request->path eq "api/push-gitea" ||
          $c->request->path eq "google-login" ||
          $c->request->path eq "github-redirect" ||
          $c->request->path eq "github-login" ||
@@ -80,7 +81,7 @@ sub begin :Private {
     $_->supportedInputTypes($c->stash->{inputTypes}) foreach @{$c->hydra_plugins};
 
     # XSRF protection: require POST requests to have the same origin.
-    if ($c->req->method eq "POST" && $c->req->path ne "api/push-github") {
+    if ($c->req->method eq "POST" && $c->req->path ne "api/push-github" && $c->req->path ne "api/push-gitea") {
         my $referer = $c->req->header('Referer');
         $referer //= $c->req->header('Origin');
         my $base = $c->req->base;