mirror of
https://github.com/filebrowser/filebrowser.git
synced 2024-06-07 23:00:43 +00:00
140 lines
3.3 KiB
Go
140 lines
3.3 KiB
Go
package directory
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"net/http"
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"path/filepath"
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"strings"
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"github.com/hacdias/caddy-filemanager/config"
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"github.com/spf13/hugo/parser"
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)
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// Update is used to update a file that was edited
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func (i *Info) Update(w http.ResponseWriter, r *http.Request, c *config.Config, u *config.User) (int, error) {
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var data map[string]interface{}
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kind := r.Header.Get("kind")
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if kind == "" {
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return http.StatusBadRequest, nil
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}
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// Get the JSON information
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rawBuffer := new(bytes.Buffer)
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rawBuffer.ReadFrom(r.Body)
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err := json.Unmarshal(rawBuffer.Bytes(), &data)
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if err != nil {
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return http.StatusInternalServerError, err
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}
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var file []byte
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var code int
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switch kind {
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case "frontmatter-only":
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if file, code, err = ParseFrontMatterOnlyFile(data, i.Name); err != nil {
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return http.StatusInternalServerError, err
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}
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case "content-only":
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mainContent := data["content"].(string)
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mainContent = strings.TrimSpace(mainContent)
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file = []byte(mainContent)
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case "complete":
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if file, code, err = ParseCompleteFile(data, i.Name, u.FrontMatter); err != nil {
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return http.StatusInternalServerError, err
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}
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default:
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return http.StatusBadRequest, nil
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}
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// Write the file
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err = ioutil.WriteFile(i.Path, file, 0666)
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if err != nil {
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return http.StatusInternalServerError, err
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}
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return code, nil
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}
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// ParseFrontMatterOnlyFile parses a frontmatter only file
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func ParseFrontMatterOnlyFile(data interface{}, filename string) ([]byte, int, error) {
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frontmatter := strings.TrimPrefix(filepath.Ext(filename), ".")
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f, code, err := ParseFrontMatter(data, frontmatter)
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fString := string(f)
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// If it's toml or yaml, strip frontmatter identifier
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if frontmatter == "toml" {
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fString = strings.TrimSuffix(fString, "+++\n")
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fString = strings.TrimPrefix(fString, "+++\n")
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}
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if frontmatter == "yaml" {
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fString = strings.TrimSuffix(fString, "---\n")
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fString = strings.TrimPrefix(fString, "---\n")
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}
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f = []byte(fString)
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return f, code, err
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}
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// ParseFrontMatter is the frontmatter parser
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func ParseFrontMatter(data interface{}, frontmatter string) ([]byte, int, error) {
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var mark rune
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switch frontmatter {
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case "toml":
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mark = rune('+')
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case "json":
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mark = rune('{')
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case "yaml":
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mark = rune('-')
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default:
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return []byte{}, http.StatusBadRequest, errors.New("Can't define the frontmatter.")
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}
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f, err := parser.InterfaceToFrontMatter(data, mark)
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if err != nil {
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return []byte{}, http.StatusInternalServerError, err
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}
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return f, http.StatusOK, nil
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}
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// ParseCompleteFile parses a complete file
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func ParseCompleteFile(data map[string]interface{}, filename string, frontmatter string) ([]byte, int, error) {
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mainContent := ""
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if _, ok := data["content"]; ok {
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// The main content of the file
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mainContent = data["content"].(string)
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mainContent = "\n\n" + strings.TrimSpace(mainContent) + "\n"
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// Removes the main content from the rest of the frontmatter
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delete(data, "content")
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}
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if _, ok := data["date"]; ok {
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data["date"] = data["date"].(string) + ":00"
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}
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front, code, err := ParseFrontMatter(data, frontmatter)
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if err != nil {
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fmt.Println(frontmatter)
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return []byte{}, code, err
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}
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// Generates the final file
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f := new(bytes.Buffer)
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f.Write(front)
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f.Write([]byte(mainContent))
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return f.Bytes(), http.StatusOK, nil
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}
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