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Rework utils/restendpointhelper to use the new chi router functionality (#3750)

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* Remove old implementation, add new function to work with the chi router

* Use new URL Param function to get clientID instead

* Remove usage of old restendpoint functions

* Fix typo in url param name

* Remove unused tests
This commit is contained in:
mahmed2000 2024-05-31 00:31:07 +05:00 committed by GitHub
parent a529502809
commit 414a8aeed8
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GPG key ID: B5690EEEBB952194
4 changed files with 9 additions and 103 deletions
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2
controllers/admin/chat.go
View file

@ -261,7 +261,7 @@ func SendSystemMessage(integration user.ExternalAPIUser, w http.ResponseWriter,
// SendSystemMessageToConnectedClient will handle incoming requests to send a single message to a single connected client by ID.
func SendSystemMessageToConnectedClient(integration user.ExternalAPIUser, w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
clientIDText, err := utils.ReadRestURLParameter(r, "clientId")
clientIDText, err := utils.GetURLParam(r, "clientId")
if err != nil {
controllers.BadRequestHandler(w, err)
return

3
handler/integrations.go
View file

@ -7,7 +7,6 @@ import (
"github.com/owncast/owncast/controllers/admin"
"github.com/owncast/owncast/core/user"
"github.com/owncast/owncast/router/middleware"
"github.com/owncast/owncast/utils"
"github.com/prometheus/client_golang/prometheus/promhttp"
)
@ -20,8 +19,6 @@ func (*ServerInterfaceImpl) SendSystemMessageOptions(w http.ResponseWriter, r *h
}
func (*ServerInterfaceImpl) SendSystemMessageToConnectedClient(w http.ResponseWriter, r *http.Request, clientId int) {
// doing this hack to make the new system work with the old system
r.Header[utils.RestURLPatternHeaderKey] = []string{`/api/integrations/chat/system/client/{clientId}`}
middleware.RequireExternalAPIAccessToken(user.ScopeCanSendSystemMessages, admin.SendSystemMessageToConnectedClient)(w, r)
}

68
utils/restendpointhelper.go
View file

@ -2,68 +2,16 @@ package utils
import (
"errors"
"fmt"
"net/http"
"strings"
"github.com/go-chi/chi/v5"
)
const RestURLPatternHeaderKey = "Owncast-Resturl-Pattern"
// takes the segment pattern of an Url string and returns the segment before the first dynamic REST parameter.
func getPatternForRestEndpoint(pattern string) string {
firstIndex := strings.Index(pattern, "/{")
if firstIndex == -1 {
return pattern
}
return strings.TrimRight(pattern[:firstIndex], "/") + "/"
}
func zip2D(iterable1 *[]string, iterable2 *[]string) map[string]string {
dict := make(map[string]string)
for index, key := range *iterable1 {
dict[key] = (*iterable2)[index]
}
return dict
}
func mapPatternWithRequestURL(pattern string, requestURL string) (map[string]string, error) {
patternSplit := strings.Split(pattern, "/")
requestURLSplit := strings.Split(requestURL, "/")
if len(patternSplit) == len(requestURLSplit) {
return zip2D(&patternSplit, &requestURLSplit), nil
}
return nil, errors.New("the length of pattern and request Url does not match")
}
func readParameter(pattern string, requestURL string, paramName string) (string, error) {
all, err := mapPatternWithRequestURL(pattern, requestURL)
if err != nil {
return "", err
}
if value, exists := all[fmt.Sprintf("{%s}", paramName)]; exists {
return value, nil
}
return "", fmt.Errorf("parameter with name %s not found", paramName)
}
// ReadRestURLParameter will return the parameter from the request of the requested name.
func ReadRestURLParameter(r *http.Request, parameterName string) (string, error) {
pattern, found := r.Header[RestURLPatternHeaderKey]
if !found {
return "", fmt.Errorf("this HandlerFunc is not marked as REST-Endpoint. Cannot read Parameter '%s' from Request", parameterName)
}
return readParameter(pattern[0], r.URL.Path, parameterName)
}
// RestEndpoint wraps a handler to use the rest endpoint helper.
func RestEndpoint(pattern string, handler http.HandlerFunc) (string, http.HandlerFunc) {
baseURL := getPatternForRestEndpoint(pattern)
return baseURL, func(w http.ResponseWriter, r *http.Request) {
r.Header[RestURLPatternHeaderKey] = []string{pattern}
handler(w, r)
// GetURLParam retrieves the specified URL param from a given request.
func GetURLParam(r *http.Request, key string) (value string, err error) {
value = chi.URLParam(r, key)
if value == "" {
err = errors.New("Request does not contain requested URL param")
}
return
}

39
utils/restendpointhelper_test.go
View file

@ -1,39 +0,0 @@
package utils
import (
"strings"
"testing"
)
func TestGetPatternForRestEndpoint(t *testing.T) {
expected := "/hello/"
endpoints := [...]string{"/hello/{param1}", "/hello/{param1}/{param2}", "/hello/{param1}/world/{param2}"}
for _, endpoint := range endpoints {
if ep := getPatternForRestEndpoint(endpoint); ep != expected {
t.Errorf("%s p does not match expected %s", ep, expected)
}
}
}
func TestReadParameter(t *testing.T) {
expected := "world"
endpoints := [...]string{
"/hello/{p1}",
"/hello/cruel/{p1}",
"/hello/{p1}/my/friend",
"/hello/{p1}/{p2}/friend",
"/hello/{p2}/{p3}/{p1}",
"/{p1}/is/nice",
"/{p1}/{p1}/{p1}",
}
for _, ep := range endpoints {
v, err := readParameter(ep, strings.Replace(ep, "{p1}", expected, -1), "p1")
if err != nil {
t.Errorf("Unexpected error when reading parameter: %s", err.Error())
}
if v != expected {
t.Errorf("'%s' should have returned %s", ep, expected)
}
}
}