From 24e305c8ff69332469c8fa65a8419b7c7665b04d Mon Sep 17 00:00:00 2001
From: nzambello <nzambello@protonmail.com>
Date: Thu, 7 Mar 2024 18:39:15 +0200
Subject: [PATCH] ci: add action

---
 .dockerignore                |  3 ++
 .gitea/workflows/publish.yml | 62 ++++++++++++++++++++++++++++++++++++
 README.md                    |  1 +
 src/index.ts                 | 11 ++++++-
 4 files changed, 76 insertions(+), 1 deletion(-)
 create mode 100644 .dockerignore
 create mode 100644 .gitea/workflows/publish.yml

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..9c71e3c
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,3 @@
+node_modules
+docs
+.yarn
diff --git a/.gitea/workflows/publish.yml b/.gitea/workflows/publish.yml
new file mode 100644
index 0000000..6b92ff9
--- /dev/null
+++ b/.gitea/workflows/publish.yml
@@ -0,0 +1,62 @@
+name: Docker CI
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  node-version: 20.x
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    container:
+      image: catthehacker/ubuntu:act-latest
+    env:
+      DOCKER_ORG: nzambello
+      DOCKER_LATEST: nightly
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            nzambello/redirector
+          labels: |
+            org.label-schema.docker.cmd=docker run -d -p 8080:8080 nzambello/redirector
+          flavor: latest=false
+          tags: |
+            type=ref,event=branch
+            type=sha
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Login to Container Registry
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USER }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: ${{ gitea.event_name != 'pull_request' }}
+          tags: |
+            nzambello/redirector:latest
+          labels: $${{ steps.meta.outputs.labels }}
diff --git a/README.md b/README.md
index 17fe2c0..9c2979d 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,7 @@ It loads configuration from environment variables:
 
 - `REDIRECT_URL`: (**required**) the url to redirect to
 - `PERMANENT`: if true, it will return a 301 status code, otherwise 302
+- `PRESERVE_PATH`: if true, it will preserve the path of the original request
 
 ### Docker example
 
diff --git a/src/index.ts b/src/index.ts
index 009f0b7..ed2a70c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -10,10 +10,19 @@ const app = new Hono();
 app.get("*", etag(), logger());
 
 app.get("/", (c) => {
-  const { REDIRECT_URL, PERMANENT } = env(c);
+  const { REDIRECT_URL, PERMANENT, PRESERVE_PATH } = env(c);
   invariant(REDIRECT_URL, "REDIRECT_URL environment variable is missing");
 
   const isPermanentRedirect = PERMANENT && PERMANENT === "true";
+  const shouldPreservePath = PRESERVE_PATH && PRESERVE_PATH === "true";
+
+  if (shouldPreservePath) {
+    const path = c.req.path;
+    return c.redirect(
+      `${REDIRECT_URL}${path}`,
+      isPermanentRedirect ? 301 : 302
+    );
+  }
 
   return c.redirect(REDIRECT_URL, isPermanentRedirect ? 301 : 302);
 });