commit b950384421e9632878eb8dc34721bc64fb1277ef
Author: Finn <finn@janky.solutions>
Date:   Sun Feb 18 14:30:11 2024 -0800

    initial commit

diff --git a/.forgejo/workflows/docker-build.yaml b/.forgejo/workflows/docker-build.yaml
new file mode 100644
index 0000000..7910333
--- /dev/null
+++ b/.forgejo/workflows/docker-build.yaml
@@ -0,0 +1,19 @@
+on:
+  push:
+    branches:
+      - 'main'
+jobs:
+  build-container:
+    runs-on: docker
+    container:
+      image: library/docker:dind
+    steps:
+      - run: apk add --no-cache nodejs git
+      - name: login to container registry
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login --username "${GITHUB_ACTOR}" --password-stdin git.janky.solutions
+      - name: build container
+        uses: docker/build-push-action@v4
+        with:
+          file: Containerfile
+          tags: git.janky.solutions/finn/s3staticsite:latest
+          push: true
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..6053e6d
--- /dev/null
+++ b/README.md
@@ -0,0 +1,4 @@
+# s3staticsite
+*host static sites backed by an s3 bucket*
+
+configuration via environment variables:
diff --git a/config.go b/config.go
new file mode 100644
index 0000000..47126ae
--- /dev/null
+++ b/config.go
@@ -0,0 +1,28 @@
+package main
+
+import (
+	"os"
+)
+
+type Config struct {
+	Bind            string `json:"bind"`
+	S3Endpoint      string `json:"s3_endpoint"`
+	AccessKeyID     string `json:"access_key_id"`
+	SecretAccessKey string `json:"secret_access_key"`
+}
+
+var config = Config{
+	Bind:            getEnvWithDefault("BIND", ":5000"),
+	S3Endpoint:      os.Getenv("S3_ENDPOINT"),
+	AccessKeyID:     os.Getenv("ACCESS_KEY_ID"),
+	SecretAccessKey: os.Getenv("SECRET_ACCESS_KEY"),
+}
+
+func getEnvWithDefault(env string, defaultValue string) string {
+	value := os.Getenv(env)
+	if value == "" {
+		return defaultValue
+	}
+
+	return value
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..bf387d4
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,27 @@
+module codeberg.org/thefinn93/s3staticsite
+
+go 1.19
+
+require (
+	github.com/minio/minio-go/v7 v7.0.63
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9
+)
+
+require (
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/compress v1.16.7 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.5 // indirect
+	github.com/minio/md5-simd v1.1.2 // indirect
+	github.com/minio/sha256-simd v1.0.1 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/rs/xid v1.5.0 // indirect
+	github.com/sirupsen/logrus v1.9.3 // indirect
+	golang.org/x/crypto v0.12.0 // indirect
+	golang.org/x/net v0.14.0 // indirect
+	golang.org/x/sys v0.12.0 // indirect
+	golang.org/x/text v0.12.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..2dc8e0c
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,53 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
+github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
+github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
+github.com/klauspost/compress v1.16.7 h1:2mk3MPGNzKyxErAw8YaohYh69+pa4sIQSC0fPGCFR9I=
+github.com/klauspost/compress v1.16.7/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
+github.com/klauspost/cpuid/v2 v2.0.1/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
+github.com/klauspost/cpuid/v2 v2.2.5 h1:0E5MSMDEoAulmXNFquVs//DdoomxaoTY1kUhbc/qbZg=
+github.com/klauspost/cpuid/v2 v2.2.5/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
+github.com/minio/md5-simd v1.1.2 h1:Gdi1DZK69+ZVMoNHRXJyNcxrMA4dSxoYHZSQbirFg34=
+github.com/minio/md5-simd v1.1.2/go.mod h1:MzdKDxYpY2BT9XQFocsiZf/NKVtR7nkE4RoEpN+20RM=
+github.com/minio/minio-go/v7 v7.0.63 h1:GbZ2oCvaUdgT5640WJOpyDhhDxvknAJU2/T3yurwcbQ=
+github.com/minio/minio-go/v7 v7.0.63/go.mod h1:Q6X7Qjb7WMhvG65qKf4gUgA5XaiSox74kR1uAEjxRS4=
+github.com/minio/sha256-simd v1.0.1 h1:6kaan5IFmwTNynnKKpDHe6FWHohJOHhCPchzK49dzMM=
+github.com/minio/sha256-simd v1.0.1/go.mod h1:Pz6AKMiUdngCLpeTL/RJY1M9rUuPMYujV5xJjtbRSN8=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
+github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rs/xid v1.5.0 h1:mKX4bl4iPYJtEIxp6CYiUuLQ/8DYMoz0PUdtGgMFRVc=
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+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..aad1476
--- /dev/null
+++ b/main.go
@@ -0,0 +1,25 @@
+package main
+
+import (
+	"os"
+
+	minio "github.com/minio/minio-go/v7"
+	"github.com/minio/minio-go/v7/pkg/credentials"
+	"golang.org/x/exp/slog"
+)
+
+func main() {
+	minioClient, err := minio.New(config.S3Endpoint, &minio.Options{
+		Creds:  credentials.NewStaticV4(config.AccessKeyID, config.SecretAccessKey, ""),
+		Secure: true,
+	})
+	if err != nil {
+		slog.Error("error connecting to s3 server", "error", err)
+		os.Exit(1)
+	}
+
+	if err := ListenAndServe(minioClient); err != nil {
+		slog.Error("error starting server", "error", err)
+		os.Exit(1)
+	}
+}
diff --git a/serve.go b/serve.go
new file mode 100644
index 0000000..4702bd3
--- /dev/null
+++ b/serve.go
@@ -0,0 +1,62 @@
+package main
+
+import (
+	"io"
+	"net/http"
+
+	minio "github.com/minio/minio-go/v7"
+	"golang.org/x/exp/slog"
+)
+
+func ListenAndServe(minioClient *minio.Client) error {
+	slog.Info("starting http server", "bind", config.Bind)
+	err := http.ListenAndServe(config.Bind, handler{minio: minioClient})
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+type handler struct {
+	minio *minio.Client
+}
+
+func (h handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	domain := r.Host
+	path := r.URL.Path
+	if path == "" || path == "/" {
+		path = "index.html"
+	}
+
+	object, err := h.minio.GetObject(r.Context(), domain, path, minio.GetObjectOptions{})
+	if err != nil {
+		slog.Warn("error getting object from s3", "error", err, "domain", domain, "path", path)
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	stat, err := object.Stat()
+	if err != nil {
+		resp := minio.ToErrorResponse(err)
+		if resp.StatusCode == http.StatusNotFound {
+			// TODO: custom 404 page
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Add("Content-Type", stat.ContentType)
+	w.Header().Add("ETag", stat.ETag)
+
+	n, err := io.Copy(w, object)
+	if err != nil {
+		slog.Warn("error writting response", "error", err, "domain", domain, "path", path)
+		return
+	}
+
+	slog.Info("served request", "domain", domain, "path", path, "size_bytes", n)
+}