108 lines
2.6 KiB
Go
108 lines
2.6 KiB
Go
package http
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import (
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"teletype_softwares/domain"
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"github.com/go-chi/chi/v5"
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)
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type DownloadController struct {
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service domain.DownloadServiceInterface
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}
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func NewDownloadController(service domain.DownloadServiceInterface) *DownloadController {
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return &DownloadController{service: service}
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}
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func (c *DownloadController) serve(w http.ResponseWriter, r *http.Request, release *domain.Release, is_source bool) {
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var file_path string
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if is_source {
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file_path = release.SourcePath
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} else {
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file_path = release.CartridgePath
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}
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abs_file_path, err := filepath.Abs(file_path)
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if err != nil {
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http.Error(w, "Invalid file path", http.StatusInternalServerError)
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return
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}
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abs_contents_dir, err := filepath.Abs(os.Getenv("FILE_CONTAINER_PATH"))
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if err != nil {
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http.Error(w, "Invalid contents directory path", http.StatusInternalServerError)
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return
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}
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if !strings.HasPrefix(abs_file_path, abs_contents_dir) {
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http.Error(w, "Access denied", http.StatusForbidden)
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return
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}
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w.Header().Set("Content-Disposition", "attachment; filename="+filepath.Base(file_path))
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http.ServeFile(w, r, file_path)
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}
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func (c *DownloadController) handleError(w http.ResponseWriter, err error) {
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if err == domain.ErrSoftwareNotFound || err == domain.ErrNoReleasesFound {
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http.Error(w, "Software not found", http.StatusNotFound)
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return
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}
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if err == domain.ErrReleaseNotFound {
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http.Error(w, "Software or release not found", http.StatusNotFound)
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return
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}
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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func (c *DownloadController) GetLatestSource(w http.ResponseWriter, r *http.Request) {
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name := chi.URLParam(r, "name")
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release, err := c.service.GetLatestRelease(name)
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if err != nil {
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c.handleError(w, err)
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return
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}
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c.serve(w, r, release, true)
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}
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func (c *DownloadController) GetLatestCartridge(w http.ResponseWriter, r *http.Request) {
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name := chi.URLParam(r, "name")
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release, err := c.service.GetLatestRelease(name)
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if err != nil {
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c.handleError(w, err)
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return
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}
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c.serve(w, r, release, false)
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}
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func (c *DownloadController) GetSource(w http.ResponseWriter, r *http.Request) {
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name := chi.URLParam(r, "name")
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version := chi.URLParam(r, "version")
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release, err := c.service.GetSpecificRelease(name, version)
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if err != nil {
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c.handleError(w, err)
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return
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}
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c.serve(w, r, release, true)
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}
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func (c *DownloadController) GetCartridge(w http.ResponseWriter, r *http.Request) {
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name := chi.URLParam(r, "name")
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version := chi.URLParam(r, "version")
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release, err := c.service.GetSpecificRelease(name, version)
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if err != nil {
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c.handleError(w, err)
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return
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}
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c.serve(w, r, release, false)
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}
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