76 lines
2 KiB
Go
76 lines
2 KiB
Go
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
// GetFile returns raw contents of a txt file in data directory
|
|
func GetFile(filename string, w http.ResponseWriter, r *http.Request) {
|
|
path := "data/" + filename + ".txt" // Can we and should we sanitize this?
|
|
|
|
if _, err := os.Stat(path); errors.Is(err, os.ErrNotExist) {
|
|
NotFound(w, r)
|
|
return
|
|
}
|
|
|
|
fileContents, err := os.ReadFile(path)
|
|
if err != nil {
|
|
http.Error(w, "error reading file", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
_, err = w.Write(fileContents)
|
|
if err != nil {
|
|
http.Error(w, "error sending file", http.StatusInternalServerError)
|
|
}
|
|
}
|
|
|
|
// PostFile Writes request's contents to a txt file in data directory
|
|
// TODO: Save to trash to prevent malicious/accidental overrides?
|
|
func PostFile(filename string, w http.ResponseWriter, r *http.Request) {
|
|
body, err := io.ReadAll(r.Body)
|
|
if err != nil {
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
w.Write([]byte("error reading body"))
|
|
return
|
|
}
|
|
|
|
f, err := os.OpenFile("data/"+filename+".txt", os.O_CREATE|os.O_WRONLY, 0644)
|
|
if err != nil {
|
|
fmt.Println("error opening/making file")
|
|
w.Write([]byte("error opening or creating file"))
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
if _, err := f.Write(body); err != nil {
|
|
fmt.Println("Error writing to the file")
|
|
w.Write([]byte("error writing to file"))
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
return
|
|
}
|
|
w.Write([]byte("wrote to file"))
|
|
w.WriteHeader(http.StatusOK)
|
|
}
|
|
|
|
// ListFiles returns JSON list of filenames in a directory without extensions or path
|
|
func ListFiles(directory string, w http.ResponseWriter, r *http.Request) {
|
|
filenames, err := filepath.Glob("data/" + directory + "/*.txt")
|
|
if err != nil {
|
|
http.Error(w, "error searching for files", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
for i, file := range filenames {
|
|
file, _ := strings.CutSuffix(filepath.Base(file), filepath.Ext(file))
|
|
filenames[i] = file
|
|
}
|
|
filenamesJson, err := json.Marshal(filenames)
|
|
w.Write(filenamesJson)
|
|
}
|