144 lines
3.8 KiB
Go
144 lines
3.8 KiB
Go
package browse
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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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"io"
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"mime/multipart"
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"net/http"
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"os"
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"strings"
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"github.com/hacdias/caddy-cms/config"
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"github.com/hacdias/caddy-cms/utils"
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)
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// POST handles the POST method on browse page
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func POST(w http.ResponseWriter, r *http.Request, c *config.Config) (int, error) {
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// Remove both beginning slashes
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r.URL.Path = strings.TrimPrefix(r.URL.Path, "/")
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// If it's the upload of a file
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if r.Header.Get("X-Upload") == "true" {
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return upload(w, r)
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}
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// Get the JSON information sent using a buffer
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buffer := new(bytes.Buffer)
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buffer.ReadFrom(r.Body)
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// Creates the raw file "map" using the JSON
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var info map[string]interface{}
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json.Unmarshal(buffer.Bytes(), &info)
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// Check if filename and archetype are specified in
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// the request
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if _, ok := info["filename"]; !ok {
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return http.StatusBadRequest, errors.New("Filename not specified.")
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}
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if _, ok := info["archetype"]; !ok {
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return http.StatusBadRequest, errors.New("Archtype not specified.")
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}
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// Sanitize the file name path
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filename := info["filename"].(string)
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filename = strings.TrimPrefix(filename, "/")
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filename = strings.TrimSuffix(filename, "/")
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filename = c.Path + r.URL.Path + filename
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// Check if the archetype is defined
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if info["archetype"] != "" {
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// Sanitize the archetype path
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archetype := info["archetype"].(string)
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archetype = strings.Replace(archetype, "/archetypes", "", 1)
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archetype = strings.Replace(archetype, "archetypes", "", 1)
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archetype = strings.TrimPrefix(archetype, "/")
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archetype = strings.TrimSuffix(archetype, "/")
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archetype = "archetypes/" + archetype
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// Check if the archetype ending with .markdown exists
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if _, err := os.Stat(archetype + ".markdown"); err == nil {
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err = utils.CopyFile(archetype+".markdown", filename)
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if err != nil {
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w.Write([]byte(err.Error()))
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return http.StatusInternalServerError, err
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}
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w.Header().Set("Location", "/admin/edit/"+filename)
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w.Header().Set("Content-Type", "application/json")
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w.Write([]byte("{}"))
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return 201, nil
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}
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// Check if the archetype ending with .md exists
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if _, err := os.Stat(archetype + ".md"); err == nil {
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err = utils.CopyFile(archetype+".md", filename)
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if err != nil {
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w.Write([]byte(err.Error()))
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return http.StatusInternalServerError, err
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}
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w.Header().Set("Location", "/admin/edit/"+filename)
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w.Header().Set("Content-Type", "application/json")
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w.Write([]byte("{}"))
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return 201, nil
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}
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}
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wf, err := os.Create(filename)
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if err != nil {
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w.Write([]byte(err.Error()))
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return http.StatusInternalServerError, err
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}
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defer wf.Close()
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w.Header().Set("Location", "/admin/edit/"+filename)
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w.Header().Set("Content-Type", "application/json")
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w.Write([]byte("{}"))
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return http.StatusOK, nil
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}
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func upload(w http.ResponseWriter, r *http.Request) (int, error) {
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// Parse the multipart form in the request
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err := r.ParseMultipartForm(100000)
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if err != nil {
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w.Write([]byte(err.Error()))
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return http.StatusInternalServerError, err
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}
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// For each file header in the multipart form
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for _, fheaders := range r.MultipartForm.File {
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// Handle each file
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for _, hdr := range fheaders {
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// Open the first file
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var infile multipart.File
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if infile, err = hdr.Open(); nil != err {
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w.Write([]byte(err.Error()))
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return http.StatusInternalServerError, err
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}
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// Create the file
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var outfile *os.File
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if outfile, err = os.Create(r.URL.Path + hdr.Filename); nil != err {
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w.Write([]byte(err.Error()))
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return http.StatusInternalServerError, err
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}
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// Copy the file content
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if _, err = io.Copy(outfile, infile); nil != err {
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w.Write([]byte(err.Error()))
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return http.StatusInternalServerError, err
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}
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defer outfile.Close()
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}
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}
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w.Header().Set("Content-Type", "application/json")
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w.Write([]byte("{}"))
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return http.StatusOK, nil
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}
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