17186e7b64
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- Migrate static JS to TypeScript (static-ts/ → compiled to internal/api/static/) - Add image resizing on upload: JPEG/PNG/WebP scaled to max 1920px at quality 80 - Extract shared upload logic into upload.go (saveUpload, saveResizedImage, saveResizedWebP) - Add POST /media endpoint for drag-drop/paste media uploads with markdown ref return - Add background music player with video/audio coordination (autoplay.ts) - Add global nav, public feed, hashtags, visibility, Markdown rendering for entries - Add Dockerfile stage for TypeScript compilation (static-ts-builder) - Add goldmark, disintegration/imaging, golang.org/x/image dependencies Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
77 lines
1.8 KiB
Go
77 lines
1.8 KiB
Go
package api
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import (
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"crypto/rand"
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"encoding/hex"
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"encoding/json"
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"log/slog"
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"net/http"
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"strings"
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)
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type MediaHandler struct {
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uploadDir string
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}
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func NewMediaHandler(uploadDir string) *MediaHandler {
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return &MediaHandler{uploadDir: uploadDir}
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}
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// HandleUpload handles POST /media — uploads a single file and returns its markdown reference.
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func (h *MediaHandler) HandleUpload(w http.ResponseWriter, r *http.Request) {
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if err := r.ParseMultipartForm(maxUploadSize); err != nil {
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http.Error(w, "too large", http.StatusRequestEntityTooLarge)
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return
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}
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fh, _, err := r.FormFile("file")
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if err != nil {
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http.Error(w, "missing file", http.StatusBadRequest)
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return
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}
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defer fh.Close()
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buf := make([]byte, 512)
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n, _ := fh.Read(buf)
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mime := http.DetectContentType(buf[:n])
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if _, ok := allowedMIME[mime]; !ok {
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http.Error(w, "unsupported type", http.StatusUnsupportedMediaType)
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return
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}
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filename, err := saveUpload(h.uploadDir, randomID(), mime, buf[:n], fh)
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if err != nil {
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http.Error(w, "storage error", http.StatusInternalServerError)
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return
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}
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ref := markdownRef(mime, filename)
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slog.Info("media uploaded", "filename", filename, "mime", mime)
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(map[string]string{
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"filename": filename,
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"mime": mime,
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"ref": ref,
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})
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}
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func markdownRef(mime, filename string) string {
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url := "/uploads/" + filename
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switch {
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case strings.HasPrefix(mime, "image/"):
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return "![" + filename + "](" + url + ")"
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case strings.HasPrefix(mime, "video/"):
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return "![" + filename + "](" + url + ")"
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case strings.HasPrefix(mime, "audio/"):
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return "[" + filename + "](" + url + ")"
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default:
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return "[" + filename + "](" + url + ")"
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}
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}
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func randomID() string {
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b := make([]byte, 12)
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_, _ = rand.Read(b)
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return hex.EncodeToString(b)
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}
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