Add initial code.

.dockerignore

@@ -0,0 +1,6 @@
+.github/
+.dockerignore
+.git
+.gitignore
+*.md
+LICENSE

.github/workflows/build-docker.yml

@@ -0,0 +1,38 @@
+name: Docker Multi-Architecture Build
+
+on:
+  push:
+    paths-ignore:
+      - "**.md"
+    branches:
+      - main
+
+jobs:
+  build-docker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+        with:
+          platforms: all
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          version: latest
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64/v8
+          push: true
+          tags: 1337kavin/piped-instances-api:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

Dockerfile

@@ -0,0 +1,24 @@
+FROM golang:latest AS build
+
+WORKDIR /app/
+
+COPY go.mod go.sum ./
+
+RUN go mod download
+
+COPY . .
+
+RUN go build -ldflags "-s -w" main.go
+
+FROM debian:unstable-slim
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app/
+
+COPY --from=build /app/main /app/instances-api
+
+EXPOSE 3000
+CMD ./instances-api

README.md

@@ -1 +1,9 @@
-# instances-api
+# Instances-Api
+
+## Hosting it yourself
+
+```bash
+docker-compose up -d
+```
+
+You can now access the API at: http://127.0.0.1:3000

docker-compose.yml

@@ -0,0 +1,8 @@
+version: '3'
+
+services:
+  instances-api:
+    image: 1337kavin/piped-instances-api
+    ports:
+      - "127.0.0.1:3000:3000"
+    restart: unless-stopped

go.mod

@@ -0,0 +1,14 @@
+module github.com/TeamPiped/instances-api/v2
+
+go 1.17
+
+require github.com/gofiber/fiber/v2 v2.26.0
+
+require (
+	github.com/andybalholm/brotli v1.0.4 // indirect
+	github.com/klauspost/compress v1.14.2 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasthttp v1.33.0 // indirect
+	github.com/valyala/tcplisten v1.0.0 // indirect
+	golang.org/x/sys v0.0.0-20220209214540-3681064d5158 // indirect
+)

go.sum

@@ -0,0 +1,39 @@
+github.com/andybalholm/brotli v1.0.2 h1:JKnhI/XQ75uFBTiuzXpzFrUriDPiZjlOSzh6wXogP0E=
+github.com/andybalholm/brotli v1.0.2/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
+github.com/andybalholm/brotli v1.0.4 h1:V7DdXeJtZscaqfNuAdSRuRFzuiKlHSC/Zh3zl9qY3JY=
+github.com/andybalholm/brotli v1.0.4/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
+github.com/gofiber/fiber/v2 v2.26.0 h1:Awnfqp3fqbZzV3wZWMRJ6Xo2U8X0Ls68M7tXjx52NcM=
+github.com/gofiber/fiber/v2 v2.26.0/go.mod h1:7efVWcBOZi1PyMWznnbitjnARPA7nYZxmQXJVod0bo0=
+github.com/golang/snappy v0.0.3/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/klauspost/compress v1.13.4 h1:0zhec2I8zGnjWcKyLl6i3gPqKANCCn5e9xmviEEeX6s=
+github.com/klauspost/compress v1.13.4/go.mod h1:8dP1Hq4DHOhN9w426knH3Rhby4rFm6D8eO+e+Dq5Gzg=
+github.com/klauspost/compress v1.14.1/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
+github.com/klauspost/compress v1.14.2 h1:S0OHlFk/Gbon/yauFJ4FfJJF5V0fc5HbBTJazi28pRw=
+github.com/klauspost/compress v1.14.2/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
+github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
+github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
+github.com/valyala/fasthttp v1.32.0 h1:keswgWzyKyNIIjz2a7JmCYHOOIkRp6HMx9oTV6QrZWY=
+github.com/valyala/fasthttp v1.32.0/go.mod h1:2rsYD01CKFrjjsvFxx75KlEUNpWNBY9JWD3K/7o2Cus=
+github.com/valyala/fasthttp v1.33.0 h1:mHBKd98J5NcXuBddgjvim1i3kWzlng1SzLhrnBOU9g8=
+github.com/valyala/fasthttp v1.33.0/go.mod h1:KJRK/MXx0J+yd0c5hlR+s1tIHD72sniU8ZJjl97LIw4=
+github.com/valyala/tcplisten v1.0.0 h1:rBHj/Xf+E1tRGZyWIWwJDiRY0zc1Js+CV5DqwacVSA8=
+github.com/valyala/tcplisten v1.0.0/go.mod h1:T0xQ8SeCZGxckz9qRXTfG43PvQ/mcWh7FwZEA7Ioqkc=
+golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
+golang.org/x/crypto v0.0.0-20220112180741-5e0467b6c7ce/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210510120150-4163338589ed/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.0.0-20220111093109-d55c255bac03/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210514084401-e8d321eab015 h1:hZR0X1kPW+nwyJ9xRxqZk1vx5RUObAPBdKVvXPDUH/E=
+golang.org/x/sys v0.0.0-20210514084401-e8d321eab015/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220111092808-5a964db01320/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220209214540-3681064d5158 h1:rm+CHSpPEEW2IsXUib1ThaHIjuBVZjxNgSKmBLFfD4c=
+golang.org/x/sys v0.0.0-20220209214540-3681064d5158/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

main.go

@@ -0,0 +1,118 @@
+package main
+
+import (
+	"io"
+	"log"
+	"net/http"
+	"regexp"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/fiber/v2/middleware/etag"
+)
+
+var monitored_instances = []Instance{}
+
+var number_re = regexp.MustCompile(`(?m)(\d+)`)
+
+type Instance struct {
+	Name        string `json:"name"`
+	ApiUrl      string `json:"api_url"`
+	Locations   string `json:"locations"`
+	Cdn         bool   `json:"cdn"`
+	Registered  int    `json:"registered"`
+	LastChecked int64  `json:"last_checked"`
+}
+
+func monitorInstances() {
+	// do forever
+	for {
+		// send a request to get markdown from GitHub
+		resp, err := http.Get("https://raw.githubusercontent.com/wiki/TeamPiped/Piped-Frontend/Instances.md")
+		if err != nil {
+			log.Print(err)
+			continue
+		}
+
+		if resp.StatusCode == 200 {
+
+			// parse the response
+			buf := new(strings.Builder)
+			_, err := io.Copy(buf, resp.Body)
+
+			if err != nil {
+				log.Print(err)
+				continue
+			}
+
+			lines := strings.Split(buf.String(), "\n")
+
+			instances := []Instance{}
+
+			skipped := 0
+			for _, line := range lines {
+				split := strings.Split(line, "|")
+				if len(split) >= 5 {
+					if skipped < 2 {
+						skipped++
+						continue
+					}
+					ApiUrl := strings.TrimSpace(split[1])
+					resp, err := http.Get(ApiUrl + "/healthcheck")
+					if err != nil {
+						log.Print(err)
+						continue
+					}
+					LastChecked := time.Now().Unix()
+					if resp.StatusCode != 200 {
+						continue
+					}
+					resp, err = http.Get(ApiUrl + "/registered/badge")
+					if err != nil {
+						log.Print(err)
+						continue
+					}
+					registered, err := strconv.ParseInt(number_re.FindString(resp.Request.URL.Path), 10, 32)
+					if err != nil {
+						log.Print(err)
+						continue
+					}
+
+					instances = append(instances, Instance{
+						Name:        strings.TrimSpace(split[0]),
+						ApiUrl:      ApiUrl,
+						Locations:   strings.TrimSpace(split[2]),
+						Cdn:         strings.TrimSpace(split[3]) == "Yes",
+						Registered:  int(registered),
+						LastChecked: LastChecked,
+					})
+
+				}
+			}
+
+			// update the global instances variable
+			monitored_instances = instances
+		}
+		resp.Body.Close()
+		time.Sleep(time.Minute)
+	}
+}
+
+func main() {
+	go monitorInstances()
+
+	app := fiber.New(
+		fiber.Config{
+			Prefork: true,
+		},
+	)
+	app.Use(etag.New())
+
+	app.Get("/", func(c *fiber.Ctx) error {
+		return c.JSON(monitored_instances)
+	})
+
+	app.Listen(":3000")
+}