[MM-20706] Drop 26 character requirement from post action IDs (#13225)

api4/integration_action.go

@@ -18,7 +18,7 @@ func (api *API) InitAction() {
 }
 
 func doPostAction(c *Context, w http.ResponseWriter, r *http.Request) {
-	c.RequirePostId().RequireActionId()
+	c.RequirePostId()
 	if c.Err != nil {
 		return
 	}

api4/integration_action_test.go

@@ -51,7 +51,14 @@ func TestPostActionCookies(t *testing.T) {
 
 	handler := &testHandler{t}
 	server := httptest.NewServer(handler)
-	action := model.PostAction{
+
+	for name, test := range map[string]struct {
+		Action             model.PostAction
+		ExpectedSucess     bool
+		ExpectedStatusCode int
+	}{
+		"32 character ID": {
+			Action: model.PostAction{
 				Id:   model.NewId(),
 				Name: "Test-action",
 				Type: model.POST_ACTION_TYPE_BUTTON,
@@ -61,8 +68,42 @@ func TestPostActionCookies(t *testing.T) {
 						"test-key": "test-value",
 					},
 				},
-	}
+			},
-
+			ExpectedSucess:     true,
+			ExpectedStatusCode: http.StatusOK,
+		},
+		"6 character ID": {
+			Action: model.PostAction{
+				Id:   "someID",
+				Name: "Test-action",
+				Type: model.POST_ACTION_TYPE_BUTTON,
+				Integration: &model.PostActionIntegration{
+					URL: server.URL,
+					Context: map[string]interface{}{
+						"test-key": "test-value",
+					},
+				},
+			},
+			ExpectedSucess:     true,
+			ExpectedStatusCode: http.StatusOK,
+		},
+		"Empty ID": {
+			Action: model.PostAction{
+				Id:   "",
+				Name: "Test-action",
+				Type: model.POST_ACTION_TYPE_BUTTON,
+				Integration: &model.PostActionIntegration{
+					URL: server.URL,
+					Context: map[string]interface{}{
+						"test-key": "test-value",
+					},
+				},
+			},
+			ExpectedSucess:     false,
+			ExpectedStatusCode: http.StatusNotFound,
+		},
+	} {
+		t.Run(name, func(t *testing.T) {
 			post := &model.Post{
 				Id:        model.NewId(),
 				Type:      model.POST_EPHEMERAL,
@@ -77,23 +118,29 @@ func TestPostActionCookies(t *testing.T) {
 							TitleLink: "https://some-url.com",
 							Text:      "some-text",
 							ImageURL:  "https://some-other-url.com",
-					Actions:   []*model.PostAction{&action},
+							Actions:   []*model.PostAction{&test.Action},
 						},
 					},
 				},
 			}
 
-	post.GenerateActionIds()
 			assert.Equal(t, 32, len(th.App.PostActionCookieSecret()))
 			post = model.AddPostActionCookies(post, th.App.PostActionCookieSecret())
 
-	ok, resp := Client.DoPostActionWithCookie(post.Id, action.Id, "", action.Cookie)
+			ok, resp := Client.DoPostActionWithCookie(post.Id, test.Action.Id, "", test.Action.Cookie)
+			require.NotNil(t, resp)
+			if test.ExpectedSucess {
 				assert.True(t, ok)
-	assert.NotNil(t, resp)
-	assert.Equal(t, 200, resp.StatusCode)
 				assert.Nil(t, resp.Error)
+			} else {
+				assert.False(t, ok)
+				assert.NotNil(t, resp.Error)
+			}
+			assert.Equal(t, test.ExpectedStatusCode, resp.StatusCode)
 			assert.NotNil(t, resp.RequestId)
 			assert.NotNil(t, resp.ServerVersion)
+		})
+	}
 }
 
 func TestOpenDialog(t *testing.T) {

web/context.go

@@ -496,17 +496,6 @@ func (c *Context) RequireJobType() *Context {
 	return c
 }
 
-func (c *Context) RequireActionId() *Context {
-	if c.Err != nil {
-		return c
-	}
-
-	if len(c.Params.ActionId) != 26 {
-		c.SetInvalidUrlParam("action_id")
-	}
-	return c
-}
-
 func (c *Context) RequireRoleId() *Context {
 	if c.Err != nil {
 		return c