123 lines
3.3 KiB
Go
123 lines
3.3 KiB
Go
package main
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import (
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"arimelody.me/arimelody.me/api/v1/music"
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"fmt"
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"html/template"
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"os"
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"net/http"
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"log"
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"strings"
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"github.com/gomarkdown/markdown"
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"github.com/gomarkdown/markdown/html"
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"github.com/gomarkdown/markdown/parser"
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)
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var mime_types = map[string]string{
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"css": "text/css; charset=utf-8",
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"png": "image/png",
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"jpg": "image/jpg",
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"webp": "image/webp",
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"html": "text/html",
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"asc": "text/plain",
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"pub": "text/plain",
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"js": "application/javascript",
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}
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var templates = template.Must(template.ParseFiles(
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"views/header.html",
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"views/footer.html",
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"views/index.html",
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"views/music.html",
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"views/music-gateway.html",
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))
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func web_handler(writer http.ResponseWriter, req *http.Request) {
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uri := req.URL.Path
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fmt.Printf("%s %s (%s)\n", req.Method, req.URL.Path, req.Header["User-Agent"][0])
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if req.URL.Path == "/" {
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index_handler(writer, req)
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return
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}
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if uri == "/music" {
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music_handler(writer, req)
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return
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}
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if strings.HasPrefix(uri, "/music/") {
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music_gateway_handler(writer, req)
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return
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}
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static_handler(writer, req)
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}
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func index_handler(writer http.ResponseWriter, req *http.Request) {
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err := templates.ExecuteTemplate(writer, "index.html", nil)
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if err != nil {
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http.Error(writer, err.Error(), http.StatusInternalServerError)
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}
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}
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func music_handler(writer http.ResponseWriter, req *http.Request) {
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err := templates.ExecuteTemplate(writer, "music.html", music.QueryAll())
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if err != nil {
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http.Error(writer, err.Error(), http.StatusInternalServerError)
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}
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}
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func music_gateway_handler(writer http.ResponseWriter, req *http.Request) {
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if len(req.URL.Path) <= len("/music/") {
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http.Error(writer, "400 bad request", http.StatusBadRequest)
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return
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}
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id := req.URL.Path[len("/music/"):]
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// http.Redirect(writer, req, "https://mellodoot.com/music/"+title, 302)
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// return
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album, ok := music.GetAlbum(id)
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if !ok {
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http.Error(writer, "404 not found", http.StatusNotFound)
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return
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}
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err := templates.ExecuteTemplate(writer, "music-gateway.html", album)
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if err != nil {
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http.Error(writer, err.Error(), http.StatusInternalServerError)
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}
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}
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func static_handler(writer http.ResponseWriter, req *http.Request) {
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filename := "public/" + req.URL.Path[1:]
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body, err := os.ReadFile(filename)
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if err != nil {
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http.Error(writer, "404 not found", http.StatusNotFound)
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return
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}
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filetype := filename[strings.LastIndex(filename, ".") + 1:]
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if mime_type, ok := mime_types[filetype]; ok {
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writer.Header().Set("Content-Type", mime_type)
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} else {
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writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
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}
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writer.Write([]byte(body))
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}
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func parse_markdown(md []byte) []byte {
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extensions := parser.CommonExtensions | parser.AutoHeadingIDs | parser.NoEmptyLineBeforeBlock
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p := parser.NewWithExtensions(extensions)
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doc := p.Parse(md)
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htmlFlags := html.CommonFlags
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opts := html.RendererOptions{ Flags: htmlFlags }
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renderer := html.NewRenderer(opts)
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return markdown.Render(doc, renderer)
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}
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func main() {
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http.HandleFunc("/", web_handler)
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log.Fatal(http.ListenAndServe(":8080", nil))
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}
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