initial commit

2023-06-03 23:07:55 -06:00 · 2023-06-03 23:07:55 -06:00 · c3fac18a46
commit c3fac18a46
parent 4623a6ada1
4 changed files with 156 additions and 0 deletions
--- a/.drone.yml
+++ b/.drone.yml
@ -0,0 +1,25 @@
+kind: pipeline
+name: default
+
+workspace:
+  base: /go
+  path: src/deadbeef.codes/steven/lineageos-ota-server
+
+steps:
+
+- name: build server
+  image: golang
+  pull: always
+  environment:
+    GOOS: linux
+    GOARCH: amd64
+    CGO_ENABLED: 0
+  commands:
+  - go version
+  - go get
+  - go build -a -ldflags '-w'
+
+- name: package in docker container
+  image: plugins/docker
+  settings:
+    repo: registry.deadbeef.codes/masterlist
--- a/8
+++ b/8
@ -0,0 +1,8 @@
+FROM scratch
+LABEL maintainer="himself@stevenpolley.net"
+
+COPY lineageos-ota-server .
+
+EXPOSE 8080
+
+CMD [ "./linageos-ota-server" ]
--- a/main.go
+++ b/main.go
@ -0,0 +1,115 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/fs"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// Information for a LineageOS ROM available for download
+type LineageOSROM struct {
+	Datetime int    `json:"datetime"`
+	Filename string `json:"filename"`
+	ID       string `json:"id"`
+	Romtype  string `json:"romtype"`
+	Size     int    `json:"size"`
+	URL      string `json:"url"`
+	Version  string `json:"version"`
+}
+
+// The HTTP response JSON should be a JSON array of lineageOSROMS available for download
+type HttpResponseJSON struct {
+	Response []LineageOSROM `json:"response"`
+}
+
+// HTTP Routing
+func main() {
+
+	//Public static files
+	http.Handle("/public/", http.StripPrefix("/public/", http.FileServer(http.Dir("public"))))
+
+	// ROM list
+	http.HandleFunc("/lineage", lineageOSROMListHandler)
+
+	log.Print("Service listening on :8080")
+	log.Fatal(http.ListenAndServe(":8080", nil))
+
+}
+
+// Reads the ROM files on the filesystem and populates a slice of linageOSROMs
+func getLineageOSROMs(romDirectory string) ([]LineageOSROM, error) {
+
+	if _, err := os.Stat(romDirectory); os.IsNotExist(err) {
+		return nil, fmt.Errorf("romDirectory '%s' does not exist", romDirectory)
+	}
+
+	// Get all the zip files and populate romFileNames slice
+	var lineageOSROMs []LineageOSROM
+
+	err := filepath.WalkDir(romDirectory, func(s string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return fmt.Errorf("walk error occured during file '%s': %v", d.Name(), err)
+		}
+		if filepath.Ext(d.Name()) != ".zip" {
+			return nil
+		}
+
+		fInfo, err := d.Info()
+		if err != nil {
+			return fmt.Errorf("failed to get file info '%s': %v", d.Name(), err)
+		}
+
+		// Get information about file and populate rom
+
+		splitName := strings.Split(d.Name(), "-")
+		if len(splitName) != 5 {
+			log.Printf("ignoring zip file '%d', name is not formatted correctly ")
+		}
+
+		lineageOSROM := LineageOSROM{
+			Datetime: int(fInfo.ModTime().Unix()),
+			Filename: d.Name(),
+			ID:       "TBD",
+			Romtype:  "nightly",
+			Size:     int(fInfo.Size()),
+			URL:      fmt.Sprintf("https://lineageos-updater.deadbeef.codes/public/%s", d.Name()),
+			Version:  "TBD",
+		}
+
+		lineageOSROMs = append(lineageOSROMs, lineageOSROM)
+
+		return nil
+	})
+	if err != nil {
+		return nil, fmt.Errorf("failed to walk romDirectory '%s': %v", romDirectory, err)
+	}
+
+	return lineageOSROMs, nil
+}
+
+// http - GET /
+// Writes JSON response for the updater app to know what versions are available to download
+func lineageOSROMListHandler(w http.ResponseWriter, r *http.Request) {
+	lineageOSROMs, err := getLineageOSROMs("public")
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		log.Printf("failed to get lineageOSROMs: %v", err)
+		return
+	}
+
+	httpResponseJSON := &HttpResponseJSON{Response: lineageOSROMs}
+
+	b, err := json.Marshal(httpResponseJSON)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		log.Printf("failed to marshal lineageOSROMs to json: %v", err)
+		return
+	}
+
+	w.Write(b)
+}
--- a/public/index.html
+++ b/public/index.html
@ -0,0 +1,8 @@
+<html>
+    <head>
+        <title>LineageOS OTA Server</title>
+    </head>
+    <body>
+        <p>This is the public folder - the build artifact directory should be mounted to this folder so ota updates can be served.</p>
+    </body>
+</html>