Expose public/ API as submodule (#23345)

* model -> public/model

* plugin -> public/plugin

* public/model/utils -> public/utils

* platform/shared/mlog -> public/shared/mlog

* platform/shared/i18n -> public/shared/i18n

* platform/shared/markdown -> public/shared/markdown

* platform/services/timezones -> public/shared/timezones

* channels/einterfaces -> einterfaces

* expose public/ submodule

* go mod tidy

* .github: cache-dependency-path, setup-go-work

* modules-tidy for public/ too

* remove old gomodtidy

server/public/model/authorize_test.go

@@ -0,0 +1,83 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestAuthPreSave(t *testing.T) {
+	a1 := AuthData{}
+	a1.ClientId = NewId()
+	a1.UserId = NewId()
+	a1.Code = NewId()
+	a1.PreSave()
+	a1.IsExpired()
+}
+
+func TestAuthIsValid(t *testing.T) {
+
+	ad := AuthData{}
+
+	require.NotNil(t, ad.IsValid())
+
+	ad.ClientId = NewRandomString(28)
+	require.NotNil(t, ad.IsValid(), "Should have failed Client Id")
+
+	ad.ClientId = NewId()
+	require.NotNil(t, ad.IsValid())
+
+	ad.UserId = NewRandomString(28)
+	require.NotNil(t, ad.IsValid(), "Should have failed User Id")
+
+	ad.UserId = NewId()
+	require.NotNil(t, ad.IsValid())
+
+	ad.Code = NewRandomString(129)
+	require.NotNil(t, ad.IsValid(), "Should have failed Code to long")
+
+	ad.Code = ""
+	require.NotNil(t, ad.IsValid(), "Should have failed Code not set")
+
+	ad.Code = NewId()
+	require.NotNil(t, ad.IsValid())
+
+	ad.ExpiresIn = 0
+	require.NotNil(t, ad.IsValid(), "Should have failed invalid ExpiresIn")
+
+	ad.ExpiresIn = 1
+	require.NotNil(t, ad.IsValid())
+
+	ad.CreateAt = 0
+	require.NotNil(t, ad.IsValid(), "Should have failed Invalid Create At")
+
+	ad.CreateAt = 1
+	require.NotNil(t, ad.IsValid())
+
+	ad.State = NewRandomString(129)
+	require.NotNil(t, ad.IsValid(), "Should have failed invalid State")
+
+	ad.State = NewRandomString(128)
+	require.NotNil(t, ad.IsValid())
+
+	ad.Scope = NewRandomString(1025)
+	require.NotNil(t, ad.IsValid(), "Should have failed invalid Scope")
+
+	ad.Scope = NewRandomString(128)
+	require.NotNil(t, ad.IsValid())
+
+	ad.RedirectUri = ""
+	require.NotNil(t, ad.IsValid(), "Should have failed Redirect URI not set")
+
+	ad.RedirectUri = NewRandomString(28)
+	require.NotNil(t, ad.IsValid(), "Should have failed invalid URL")
+
+	ad.RedirectUri = NewRandomString(257)
+	require.NotNil(t, ad.IsValid(), "Should have failed invalid URL")
+
+	ad.RedirectUri = "http://example.com"
+	require.Nil(t, ad.IsValid())
+}