mirror of
https://github.com/semaphoreui/semaphore.git
synced 2024-11-23 20:35:24 +01:00
133 lines
3.0 KiB
Go
133 lines
3.0 KiB
Go
package helpers
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import (
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"encoding/json"
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"errors"
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"fmt"
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"github.com/semaphoreui/semaphore/services/tasks"
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"net/http"
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"net/url"
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"runtime/debug"
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"strconv"
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"strings"
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"github.com/gorilla/context"
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log "github.com/sirupsen/logrus"
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"github.com/semaphoreui/semaphore/db"
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"github.com/gorilla/mux"
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)
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func Store(r *http.Request) db.Store {
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return context.Get(r, "store").(db.Store)
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}
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func TaskPool(r *http.Request) *tasks.TaskPool {
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return context.Get(r, "task_pool").(*tasks.TaskPool)
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}
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func isXHR(w http.ResponseWriter, r *http.Request) bool {
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accept := r.Header.Get("Accept")
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return !strings.Contains(accept, "text/html")
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}
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// GetStrParam fetches a parameter from the route variables as an integer
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// redirects to a 404 or writes bad request state depending on error state
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func GetStrParam(name string, w http.ResponseWriter, r *http.Request) (string, error) {
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strParam, ok := mux.Vars(r)[name]
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if !ok {
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if !isXHR(w, r) {
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http.Redirect(w, r, "/404", http.StatusFound)
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} else {
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w.WriteHeader(http.StatusBadRequest)
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}
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return "", fmt.Errorf("parameter missed")
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}
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return strParam, nil
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}
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// GetIntParam fetches a parameter from the route variables as an integer
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// redirects to a 404 or writes bad request state depending on error state
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func GetIntParam(name string, w http.ResponseWriter, r *http.Request) (int, error) {
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intParam, err := strconv.Atoi(mux.Vars(r)[name])
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if err != nil {
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if !isXHR(w, r) {
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http.Redirect(w, r, "/404", http.StatusFound)
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} else {
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w.WriteHeader(http.StatusBadRequest)
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}
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return 0, err
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}
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return intParam, nil
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}
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// H just a string-to-anything map
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type H map[string]interface{}
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// Bind decodes json into object
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func Bind(w http.ResponseWriter, r *http.Request, out interface{}) bool {
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err := json.NewDecoder(r.Body).Decode(out)
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if err != nil {
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w.WriteHeader(http.StatusBadRequest)
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}
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return err == nil
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}
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// WriteJSON writes object as JSON
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func WriteJSON(w http.ResponseWriter, code int, out interface{}) {
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w.Header().Set("content-type", "application/json")
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w.WriteHeader(code)
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if err := json.NewEncoder(w).Encode(out); err != nil {
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log.Error(err)
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debug.PrintStack()
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}
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}
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func WriteErrorStatus(w http.ResponseWriter, err string, code int) {
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WriteJSON(w, code, map[string]string{
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"error": err,
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})
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}
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func WriteError(w http.ResponseWriter, err error) {
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if errors.Is(err, tasks.ErrInvalidSubscription) {
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WriteErrorStatus(w, "You have no subscription.", http.StatusForbidden)
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return
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}
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if errors.Is(err, db.ErrNotFound) {
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w.WriteHeader(http.StatusNotFound)
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return
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}
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if errors.Is(err, db.ErrInvalidOperation) {
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w.WriteHeader(http.StatusConflict)
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return
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}
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switch e := err.(type) {
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case *db.ValidationError:
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WriteErrorStatus(w, e.Error(), http.StatusBadRequest)
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default:
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log.Error(err)
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debug.PrintStack()
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w.WriteHeader(http.StatusBadRequest)
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}
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}
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func QueryParams(url *url.URL) db.RetrieveQueryParams {
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return db.RetrieveQueryParams{
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SortBy: url.Query().Get("sort"),
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SortInverted: url.Query().Get("order") == "desc",
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}
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}
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