Add option for scale-up allow/deny lists for servers (#397)

server/allow_deny_list_test.go

@@ -0,0 +1,230 @@
+package server
+
+import (
+	"github.com/google/uuid"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_allowDenyConfig_ServerAllowsPlayer(t *testing.T) {
+	type args struct {
+		serverAddress string
+		userInfo *PlayerInfo
+	}
+	validUserInfo := &PlayerInfo{
+		Name: "player_name",
+		Uuid: uuid.MustParse("53036a8f-cbc8-4074-bbc5-98e5e19b0b14"),
+	}
+	otherUserInfo := &PlayerInfo{
+		Name: "other_player",
+		Uuid: uuid.MustParse("0d51a0ca-f498-44bf-813f-635c18594b8c"),
+	}
+	tests := []struct {
+		name            string
+		allowDenyConfig *AllowDenyConfig
+		args            args
+		want            bool
+	}{
+		{
+			name: "nil config",
+			allowDenyConfig: nil,
+			args: args{
+				serverAddress: "server.my.domain",
+				userInfo: validUserInfo,
+			},
+			want: true,
+		},
+		{
+			name: "empty config",
+			allowDenyConfig: &AllowDenyConfig{},
+			args: args{
+				serverAddress: "server.my.domain",
+				userInfo: validUserInfo,
+			},
+			want: true,
+		},
+		{
+			name: "impossible global allowlist",
+			allowDenyConfig: &AllowDenyConfig{
+				Global: AllowDenyLists{
+					Allowlist: []PlayerInfo{
+						PlayerInfo{
+							Name: "",
+							Uuid: uuid.Nil,
+						},
+					},
+				},
+			},
+			args: args{
+				serverAddress: "server.my.domain",
+				userInfo: validUserInfo,
+			},
+			want: false,
+		},
+		{
+			name: "player allowed globally",
+			allowDenyConfig: &AllowDenyConfig{
+				Global: AllowDenyLists{
+					Allowlist: []PlayerInfo{
+						*validUserInfo,
+					},
+				},
+			},
+			args: args{
+				serverAddress: "server.my.domain",
+				userInfo: validUserInfo,
+			},
+			want: true,
+		},
+		{
+			name: "player not in allowlist",
+			allowDenyConfig: &AllowDenyConfig{
+				Global: AllowDenyLists{
+					Allowlist: []PlayerInfo{
+						*otherUserInfo,
+					},
+				},
+			},
+			args: args{
+				serverAddress: "server.my.domain",
+				userInfo: validUserInfo,
+			},
+			want: false,
+		},
+		{
+			name: "player denied globally",
+			allowDenyConfig: &AllowDenyConfig{
+				Global: AllowDenyLists{
+					Denylist: []PlayerInfo{
+						*validUserInfo,
+					},
+				},
+			},
+			args: args{
+				serverAddress: "server.my.domain",
+				userInfo: validUserInfo,
+			},
+			want: false,
+		},
+		{
+			name: "player allowed and denied globally",
+			allowDenyConfig: &AllowDenyConfig{
+				Global: AllowDenyLists{
+					Allowlist: []PlayerInfo{
+						*validUserInfo,
+					},
+					Denylist: []PlayerInfo{
+						*validUserInfo,
+					},
+				},
+			},
+			args: args{
+				serverAddress: "server.my.domain",
+				userInfo: validUserInfo,
+			},
+			want: true,
+		},
+		{
+			name: "player allowed on server",
+			allowDenyConfig: &AllowDenyConfig{
+				Servers: map[string]AllowDenyLists{
+					"server.my.domain": AllowDenyLists{
+						Allowlist: []PlayerInfo{
+							*validUserInfo,
+						},
+					},
+				},
+			},
+			args: args{
+				serverAddress: "server.my.domain",
+				userInfo: validUserInfo,
+			},
+			want: true,
+		},
+		{
+			name: "player not allowed on server",
+			allowDenyConfig: &AllowDenyConfig{
+				Servers: map[string]AllowDenyLists{
+					"server.my.domain": AllowDenyLists{
+						Allowlist: []PlayerInfo{
+							*otherUserInfo,
+						},
+					},
+				},
+			},
+			args: args{
+				serverAddress: "server.my.domain",
+				userInfo: validUserInfo,
+			},
+			want: false,
+		},
+		{
+			name: "player denied on server",
+			allowDenyConfig: &AllowDenyConfig{
+				Servers: map[string]AllowDenyLists{
+					"server.my.domain": AllowDenyLists{
+						Denylist: []PlayerInfo{
+							*validUserInfo,
+						},
+					},
+				},
+			},
+			args: args{
+				serverAddress: "server.my.domain",
+				userInfo: validUserInfo,
+			},
+			want: false,
+		},
+		{
+			name: "player allowed globally but denied on server",
+			allowDenyConfig: &AllowDenyConfig{
+				Global: AllowDenyLists{
+					Allowlist: []PlayerInfo{
+						*validUserInfo,
+					},
+				},
+				Servers: map[string]AllowDenyLists{
+					"server.my.domain": AllowDenyLists{
+						Denylist: []PlayerInfo{
+							*validUserInfo,
+						},
+					},
+				},
+			},
+			args: args{
+				serverAddress: "server.my.domain",
+				userInfo: validUserInfo,
+			},
+			want: true,
+		},
+		{
+			name: "player denied globally but allowed on server",
+			allowDenyConfig: &AllowDenyConfig{
+				Global: AllowDenyLists{
+					Denylist: []PlayerInfo{
+						*validUserInfo,
+					},
+				},
+				Servers: map[string]AllowDenyLists{
+					"server.my.domain": AllowDenyLists{
+						Allowlist: []PlayerInfo{
+							*validUserInfo,
+						},
+					},
+				},
+			},
+			args: args{
+				serverAddress: "server.my.domain",
+				userInfo: validUserInfo,
+			},
+			want: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			allowed := tt.allowDenyConfig.ServerAllowsPlayer(tt.args.serverAddress, tt.args.userInfo)
+			assert.Equal(t, tt.want, allowed)
+		})
+	}
+}