package main import ( "fmt" "io/ioutil" "log" "net/http" "os" "path/filepath" "github.com/bouncepaw/mycorrhiza/history" ) func init() { http.HandleFunc("/upload-binary/", handlerUploadBinary) http.HandleFunc("/upload-text/", handlerUploadText) http.HandleFunc("/edit/", handlerEdit) } // handlerEdit shows the edit form. It doesn't edit anything actually. func handlerEdit(w http.ResponseWriter, rq *http.Request) { log.Println(rq.URL) var ( hyphaName = HyphaNameFromRq(rq, "edit") hyphaData, isOld = HyphaStorage[hyphaName] warning string textAreaFill string err error ) if isOld { textAreaFill, err = FetchTextPart(hyphaData) if err != nil { log.Println(err) HttpErr(w, http.StatusInternalServerError, hyphaName, "Error", "Could not fetch text data") return } } else { warning = `

You are creating a new hypha.

` } form := fmt.Sprintf(`

Edit %[1]s

%[3]s

Cancel
`, hyphaName, textAreaFill, warning) w.Header().Set("Content-Type", "text/html;charset=utf-8") w.WriteHeader(http.StatusOK) w.Write([]byte(base( "Edit "+hyphaName, form))) } // handlerUploadText uploads a new text part for the hypha. func handlerUploadText(w http.ResponseWriter, rq *http.Request) { log.Println(rq.URL) var ( hyphaName = HyphaNameFromRq(rq, "upload-text") hyphaData, isOld = HyphaStorage[hyphaName] textData = rq.PostFormValue("text") textDataBytes = []byte(textData) fullPath = filepath.Join(WikiDir, hyphaName+"&.gmi") ) if textData == "" { HttpErr(w, http.StatusBadRequest, hyphaName, "Error", "No text data passed") return } // For some reason, only 0777 works. Why? if err := os.MkdirAll(filepath.Dir(fullPath), 0777); err != nil { log.Println(err) } if err := ioutil.WriteFile(fullPath, textDataBytes, 0644); err != nil { log.Println(err) HttpErr(w, http.StatusInternalServerError, hyphaName, "Error", fmt.Sprintf("Failed to write %d bytes to %s", len(textDataBytes), fullPath)) return } if !isOld { HyphaStorage[hyphaName] = &HyphaData{ textType: TextGemini, textPath: fullPath, } } else { hyphaData.textType = TextGemini hyphaData.textPath = fullPath } history.Stage(shorterPath(fullPath)) http.Redirect(w, rq, "/page/"+hyphaName, http.StatusSeeOther) } // handlerUploadBinary uploads a new binary part for the hypha. func handlerUploadBinary(w http.ResponseWriter, rq *http.Request) { log.Println(rq.URL) hyphaName := HyphaNameFromRq(rq, "upload-binary") rq.ParseMultipartForm(10 << 20) // Read file file, handler, err := rq.FormFile("binary") if file != nil { defer file.Close() } // If file is not passed: if err != nil { HttpErr(w, http.StatusBadRequest, hyphaName, "Error", "No binary data passed") return } // If file is passed: var ( hyphaData, isOld = HyphaStorage[hyphaName] mimeType = MimeToBinaryType(handler.Header.Get("Content-Type")) ext = mimeType.Extension() fullPath = filepath.Join(WikiDir, hyphaName+"&"+ext) ) data, err := ioutil.ReadAll(file) if err != nil { HttpErr(w, http.StatusInternalServerError, hyphaName, "Error", "Could not read passed data") return } if err := os.MkdirAll(filepath.Dir(fullPath), 0777); err != nil { log.Println(err) } if err = ioutil.WriteFile(fullPath, data, 0644); err != nil { HttpErr(w, http.StatusInternalServerError, hyphaName, "Error", "Could not save passed data") return } if !isOld { HyphaStorage[hyphaName] = &HyphaData{ binaryPath: fullPath, binaryType: mimeType, } } else { if hyphaData.binaryPath != fullPath { if err := os.Remove(hyphaData.binaryPath); err != nil { log.Println(err) } } hyphaData.binaryPath = fullPath hyphaData.binaryType = mimeType } log.Println("Written", len(data), "of binary data for", hyphaName, "to path", fullPath) http.Redirect(w, rq, "/page/"+hyphaName, http.StatusSeeOther) }