main.go
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package main
import (
"fmt"
"html/template"
"log"
"net/http"
"os"
"os/exec"
"path/filepath"
"strings"
"time"
"j3s.sh/gore/internal/module"
)
var (
buildTimestamp = "uninitialized"
httpPassword string // or empty to only permit unix socket access
hostname string
)
func WaitForClock() {
epochPlus1Year := time.Unix(60*60*24*365, 0)
for {
if time.Now().After(epochPlus1Year) {
return
}
// Sleeps for 1 real second, regardless of wall-clock time.
// See https://github.com/golang/proposal/blob/master/design/12914-monotonic.md
time.Sleep(1 * time.Second)
}
}
type LogEntry struct {
IsStdErr bool
Message string
}
func main() {
http.HandleFunc("GET /", indexHandler)
http.HandleFunc("POST /submit", submitHandler)
http.HandleFunc("GET /logs", fetchLogs)
log.Println("Starting Gore server on :8080...")
log.Fatal(http.ListenAndServe(":8080", nil))
}
func indexHandler(w http.ResponseWriter, r *http.Request) {
tmpl := `
<!DOCTYPE html>
<html>
<head>
<title>Gore</title>
<style>
body { font-family: monospace; background-color: #000; color: #fff; }
.log-stdout { color: #0f0; }
.log-stderr { color: #f00; }
</style>
<script>
function toggleLogs(module) {
const logContainer = document.getElementById("logs-" + module);
if (logContainer.style.display === "none") {
fetch("/logs?module=" + module)
.then(response => response.json())
.then(data => {
logContainer.innerHTML = "";
data.forEach(entry => {
const logLine = document.createElement("div");
logLine.textContent = entry.message;
logLine.className = entry.isStdErr ? "log-stderr" : "log-stdout";
logContainer.appendChild(logLine);
});
logContainer.style.display = "block";
})
.catch(err => console.error("Error fetching logs:", err));
} else {
logContainer.style.display = "none";
}
}
</script>
</head>
<body>
<h1>Gore</h1>
<p>Submit a Go module for execution:</p>
<form action="/submit" method="POST">
<input type="text" name="module" placeholder="Go module URL" required style="width: 300px;">
<button type="submit">Submit</button>
</form>
<h2>Services</h2>
<table>
<tr><th>Module</th><th>Status</th><th>Logs</th></tr>
{{range $module, $status := .Modules}}
<tr>
<td>{{$module}}</td>
<td>{{$status.Status}}</td>
<td><button onclick="toggleLogs('{{ $module }}')">View Logs</button></td>
</tr>
<tr>
<td colspan="3">
<div id="logs-{{ $module }}" style="display: none; background-color: #111; padding: 10px;"></div>
</td>
</tr>
{{end}}
</table>
</body>
</html>
`
services.Lock()
defer services.Unlock()
data := struct {
Modules map[string]*services.S
}{
Modules: services.S,
}
t := template.Must(template.New("index").Parse(tmpl))
t.Execute(w, data)
}
func submitHandler(w http.ResponseWriter, r *http.Request) {
formInput := r.FormValue("module")
if formInput == "" {
http.Error(w, "Module URL is required (e.g. git.j3s.sh/vore@latest)", http.StatusBadRequest)
return
}
m := module.New()
before, after, found := strings.Cut(formInput, "@")
if found {
m.Path = before
m.Version = after
} else {
// assume latest if not specified
m.Path = formInput
m.Version = "latest"
}
supervisedMu.Lock()
if _, exists := moduleStatuses[module]; exists {
supervisedMu.Unlock()
http.Error(w, "Module already submitted", http.StatusBadRequest)
return
}
moduleStatuses[module] = &ModuleStatus{Status: "Building", Logs: []LogEntry{}}
supervisedMu.Unlock()
go func() {
if err := processModule(module); err != nil {
log.Printf("Error processing module %s: %v", module, err)
supervisedMu.Lock()
moduleStatuses[module].Status = "Failed"
supervisedMu.Unlock()
} else {
supervisedMu.Lock()
moduleStatuses[module].Status = "Running"
supervisedMu.Unlock()
}
}()
http.Redirect(w, r, "/", http.StatusSeeOther)
}
func fetchLogs(w http.ResponseWriter, r *http.Request) {
module := r.URL.Query().Get("module")
if module == "" {
http.Error(w, "Module URL is required", http.StatusBadRequest)
return
}
supervisedMu.Lock()
status, exists := moduleStatuses[module]
supervisedMu.Unlock()
if !exists {
http.Error(w, "No logs found for the specified module", http.StatusNotFound)
return
}
w.Header().Set("Content-Type", "application/json")
fmt.Fprintf(w, "[")
for i, log := range status.Logs {
fmt.Fprintf(w, `{"isStdErr":%t,"message":%q}`, log.IsStdErr, log.Message)
if i < len(status.Logs)-1 {
fmt.Fprintf(w, ",")
}
}
fmt.Fprintf(w, "]")
}
func processModule(module string) error {
mu.Lock()
defer mu.Unlock()
log.Printf("Processing module: %s", module)
tempDir, err := os.MkdirTemp("", "gore-*")
if err != nil {
return fmt.Errorf("failed to create temp dir: %v", err)
}
defer os.RemoveAll(tempDir)
cmd := exec.Command("go", "get", module)
cmd.Dir = tempDir
if err := cmd.Run(); err != nil {
return fmt.Errorf("failed to get module: %v", err)
}
outputBinary := filepath.Join(tempDir, "module-binary")
cmd = exec.Command("go", "build", "-o", outputBinary, module)
cmd.Dir = tempDir
if err := cmd.Run(); err != nil {
return fmt.Errorf("failed to build module: %v", err)
}
supervisedMu.Lock()
moduleStatuses[module].Logs = append(moduleStatuses[module].Logs, LogEntry{IsStdErr: false, Message: "Module built successfully."})
supervisedMu.Unlock()
return nil
}