135 lines
3.8 KiB
Go
135 lines
3.8 KiB
Go
package webui
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import (
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"fmt"
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"html/template"
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"io"
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"net/http"
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"net/url"
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"path"
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"git.adyxax.org/adyxax/tfstated/pkg/database"
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"git.adyxax.org/adyxax/tfstated/pkg/model"
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"go.n16f.net/uuid"
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)
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type StatesPage struct {
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ActiveTab int
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Page *Page
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Path string
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PathError bool
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PathDuplicate bool
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States []model.State
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}
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var statesTemplates = template.Must(template.ParseFS(htmlFS, "html/base.html", "html/states.html"))
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var statesIdTemplate = template.Must(template.ParseFS(htmlFS, "html/base.html", "html/statesId.html"))
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func handleStatesGET(db *database.DB) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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states, err := db.LoadStates()
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if err != nil {
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errorResponse(w, http.StatusInternalServerError, err)
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return
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}
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render(w, statesTemplates, http.StatusOK, StatesPage{
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Page: makePage(r, &Page{Title: "States", Section: "states"}),
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States: states,
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})
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})
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}
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func handleStatesPOST(db *database.DB) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// file upload limit of 20MB
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if err := r.ParseMultipartForm(20 << 20); err != nil {
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errorResponse(w, http.StatusBadRequest, err)
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return
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}
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file, _, err := r.FormFile("file")
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if err != nil {
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errorResponse(w, http.StatusBadRequest, err)
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return
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}
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defer file.Close()
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statePath := r.FormValue("path")
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parsedStatePath, err := url.Parse(statePath)
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if err != nil || path.Clean(parsedStatePath.Path) != statePath || statePath[0] != '/' {
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render(w, statesTemplates, http.StatusBadRequest, StatesPage{
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ActiveTab: 1,
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Page: makePage(r, &Page{Title: "New State", Section: "states"}),
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Path: statePath,
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PathError: true,
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})
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return
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}
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data, err := io.ReadAll(file)
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if err != nil {
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errorResponse(w, http.StatusBadRequest, fmt.Errorf("failed to read uploaded file: %w", err))
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return
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}
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fileType := http.DetectContentType(data)
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if fileType != "text/plain; charset=utf-8" {
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errorResponse(w, http.StatusBadRequest, fmt.Errorf("invalid file type: expected \"text/plain; charset=utf-8\" but got \"%s\"", fileType))
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return
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}
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account := r.Context().Value(model.AccountContextKey{}).(*model.Account)
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version, err := db.CreateState(statePath, account.Id, data)
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if err != nil {
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errorResponse(w, http.StatusInternalServerError, err)
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return
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}
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if version == nil {
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render(w, statesTemplates, http.StatusBadRequest, StatesPage{
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ActiveTab: 1,
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Page: makePage(r, &Page{Title: "New State", Section: "states"}),
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Path: statePath,
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PathDuplicate: true,
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})
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return
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}
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destination := path.Join("/versions", version.Id.String())
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http.Redirect(w, r, destination, http.StatusFound)
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})
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}
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func handleStatesIdGET(db *database.DB) http.Handler {
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type StatesData struct {
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Page *Page
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State *model.State
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Usernames map[string]string
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Versions []model.Version
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}
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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var stateId uuid.UUID
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if err := stateId.Parse(r.PathValue("id")); err != nil {
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errorResponse(w, http.StatusBadRequest, err)
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return
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}
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state, err := db.LoadStateById(stateId)
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if err != nil {
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errorResponse(w, http.StatusInternalServerError, err)
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return
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}
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versions, err := db.LoadVersionsByState(state)
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if err != nil {
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errorResponse(w, http.StatusInternalServerError, err)
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return
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}
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usernames, err := db.LoadAccountUsernames()
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if err != nil {
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errorResponse(w, http.StatusInternalServerError, err)
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return
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}
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render(w, statesIdTemplate, http.StatusOK, StatesData{
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Page: makePage(r, &Page{
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Precedent: "/states",
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Section: "states",
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Title: state.Path,
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}),
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State: state,
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Usernames: usernames,
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Versions: versions,
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})
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})
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}
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