Files
mangaGetter/main.go
2024-02-20 23:46:07 +01:00

146 lines
2.8 KiB
Go

package main
import (
"bytes"
"fmt"
"html/template"
"io"
"net/http"
"os"
"path/filepath"
"regexp"
)
type Image struct {
Path string
Index int
}
type ImageData struct {
Images []Image
}
func main() {
resp, err := http.Get("https://bato.to/title/80381-i-stan-the-prince/1525068-ch_1?load=2")
// TODO: Testing for above 300 is dirty
if err != nil && resp.StatusCode > 300 {
panic(err)
}
defer func(Body io.ReadCloser) {
err := Body.Close()
if err != nil {
fmt.Printf("Could not close body because: %v\n", err)
}
}(resp.Body)
create, err := os.Create("h.html")
if err != nil {
panic(err)
}
defer func(create *os.File) {
err := create.Close()
if err != nil {
fmt.Printf("Could not close file because: %v\n", err)
}
}(create)
all, err := io.ReadAll(resp.Body)
if err != nil {
panic(err)
}
_, err = create.Write(all)
if err != nil {
panic(err)
}
reg, err := regexp.Compile(`<astro-island.*props=".*;imageFiles&quot;:\[1,&quot;\[(.*)]&quot;]`)
if err != nil {
panic(err)
}
h := string(all)
match := reg.FindStringSubmatch(h)[1]
reg, err = regexp.Compile(`\[0,\\&quot;([^&]*)\\&quot;]`)
if err != nil {
panic(err)
}
findings, err := os.Create("findings.txt")
if err != nil {
panic(err)
}
defer func(findings *os.File) {
err := findings.Close()
if err != nil {
fmt.Printf("Could not close file because: %v\n", err)
}
}(findings)
matches := reg.FindAllStringSubmatch(match, -1)
images := make([]Image, 0)
imageBufs := make(map[string]*bytes.Buffer)
for i, m := range matches {
//err = downloadFile(m[1])
buf, err := addFileToRam(m[1])
if err != nil {
panic(err)
}
name := filepath.Base(m[1])
imageBufs[name] = buf
images = append(images, Image{Path: name, Index: i})
}
tmpl := template.Must(template.ParseFiles("test.html"))
data := ImageData{Images: images}
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
tmpl.Execute(w, data)
})
http.HandleFunc("/{url}/", func(w http.ResponseWriter, r *http.Request) {
u := r.PathValue("url")
buf := imageBufs[u]
w.Header().Set("Content-Type", "image/webp")
buf.WriteTo(w)
})
fmt.Println("Server running")
http.ListenAndServe(":8000", nil)
}
func addFileToRam(url string) (*bytes.Buffer, error) {
// Get the data
resp, err := http.Get(url)
if err != nil {
return nil, err
}
defer resp.Body.Close()
buf := new(bytes.Buffer)
// Write the body to file
_, err = io.Copy(buf, resp.Body)
return buf, err
}
func downloadFile(url string) error {
// Get the data
resp, err := http.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
// Create the file
out, err := os.Create(filepath.Base(url))
if err != nil {
return err
}
defer out.Close()
// Write the body to file
_, err = io.Copy(out, resp.Body)
return err
}