From 750978a19232583e17620a1bd80435e957e7213a 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 1/2] 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 2b26cd612..674e1064b 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 6f10ef575..120735955 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 c6843d296..1b33db2a6 100644
--- a/src/lib/Hydra/Controller/Root.pm
+++ b/src/lib/Hydra/Controller/Root.pm
@@ -32,6 +32,7 @@ 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" ||
@@ -77,7 +78,7 @@ 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;

From a81c6a3a80d1055aa80934ab229e2dc49594edd2 Mon Sep 17 00:00:00 2001
From: Sandro <sandro.jaeckel@gmail.com>
Date: Fri, 1 Jul 2022 22:21:32 +0200
Subject: [PATCH 2/2] Match URIs that don't end in .git

Co-authored-by: Charlotte <lotte@chir.rs>
---
 src/lib/Hydra/Controller/API.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib/Hydra/Controller/API.pm b/src/lib/Hydra/Controller/API.pm
index 120735955..5eeb0c04b 100644
--- a/src/lib/Hydra/Controller/API.pm
+++ b/src/lib/Hydra/Controller/API.pm
@@ -292,6 +292,7 @@ sub push_gitea : Chained('api') PathPart('push-gitea') Args(0) {

     my $in = $c->request->{data};
     my $url = $in->{repository}->{clone_url} or die;
+    $url =~ s/.git$//;
     print STDERR "got push from Gitea repository $url\n";

     triggerJobset($self, $c, $_, 0) foreach $c->model('DB::Jobsets')->search(