Implement Make Alias transaction

1 files changed, 186 insertions, 0 deletions

diff --git a/hotline/transaction_handlers_test.go b/hotline/transaction_handlers_test.go
index 7c5ee43..a83f4cc 100644
--- a/hotline/transaction_handlers_test.go
+++ b/hotline/transaction_handlers_test.go
@@ -1,10 +1,12 @@
 package hotline
 
 import (
+	"errors"
 	"github.com/stretchr/testify/assert"
 	"io/fs"
 	"math/rand"
 	"os"
+	"strings"
 	"testing"
 )
 
@@ -855,3 +857,187 @@ func TestHandleUploadFile(t *testing.T) {
 		})
 	}
 }
+
+func TestHandleMakeAlias(t *testing.T) {
+	type args struct {
+		cc *ClientConn
+		t  *Transaction
+	}
+	tests := []struct {
+		name    string
+		setup   func()
+		args    args
+		wantRes []Transaction
+		wantErr bool
+	}{
+		{
+			name: "with valid input and required permissions",
+			setup: func() {
+				mfs := MockFileStore{}
+				path, _ := os.Getwd()
+				mfs.On(
+					"Symlink",
+					path+"/test/config/Files/foo/testFile",
+					path+"/test/config/Files/bar/testFile",
+				).Return(nil)
+				FS = mfs
+			},
+			args: args{
+				cc: &ClientConn{
+					Account: &Account{
+						Access: func() *[]byte {
+							var bits accessBitmap
+							bits.Set(accessMakeAlias)
+							access := bits[:]
+							return &access
+						}(),
+					},
+					Server: &Server{
+						Config: &Config{
+							FileRoot: func() string {
+								path, _ := os.Getwd()
+								return path + "/test/config/Files"
+							}(),
+						},
+						Logger: NewTestLogger(),
+					},
+				},
+				t: NewTransaction(
+					tranMakeFileAlias, &[]byte{0, 1},
+					NewField(fieldFileName, []byte("testFile")),
+					NewField(fieldFilePath, EncodeFilePath(strings.Join([]string{"foo"}, "/"))),
+					NewField(fieldFileNewPath, EncodeFilePath(strings.Join([]string{"bar"}, "/"))),
+				),
+			},
+			wantRes: []Transaction{
+				{
+					Flags:     0x00,
+					IsReply:   0x01,
+					Type:      []byte{0, 0xd1},
+					ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
+					ErrorCode: []byte{0, 0, 0, 0},
+					Fields:    []Field(nil),
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "when symlink returns an error",
+			setup: func() {
+				mfs := MockFileStore{}
+				path, _ := os.Getwd()
+				mfs.On(
+					"Symlink",
+					path+"/test/config/Files/foo/testFile",
+					path+"/test/config/Files/bar/testFile",
+				).Return(errors.New("ohno"))
+				FS = mfs
+			},
+			args: args{
+				cc: &ClientConn{
+					Account: &Account{
+						Access: func() *[]byte {
+							var bits accessBitmap
+							bits.Set(accessMakeAlias)
+							access := bits[:]
+							return &access
+						}(),
+					},
+					Server: &Server{
+						Config: &Config{
+							FileRoot: func() string {
+								path, _ := os.Getwd()
+								return path + "/test/config/Files"
+							}(),
+						},
+						Logger: NewTestLogger(),
+					},
+				},
+				t: NewTransaction(
+					tranMakeFileAlias, &[]byte{0, 1},
+					NewField(fieldFileName, []byte("testFile")),
+					NewField(fieldFilePath, EncodeFilePath(strings.Join([]string{"foo"}, "/"))),
+					NewField(fieldFileNewPath, EncodeFilePath(strings.Join([]string{"bar"}, "/"))),
+				),
+			},
+			wantRes: []Transaction{
+				{
+					Flags:     0x00,
+					IsReply:   0x01,
+					Type:      []byte{0, 0x00},
+					ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
+					ErrorCode: []byte{0, 0, 0, 1},
+					Fields: []Field{
+						NewField(fieldError, []byte("Error creating alias")),
+					},
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name:  "when user does not have required permission",
+			setup: func() {},
+			args: args{
+				cc: &ClientConn{
+					Account: &Account{
+						Access: func() *[]byte {
+							var bits accessBitmap
+							access := bits[:]
+							return &access
+						}(),
+					},
+					Server: &Server{
+						Config: &Config{
+							FileRoot: func() string {
+								path, _ := os.Getwd()
+								return path + "/test/config/Files"
+							}(),
+						},
+					},
+				},
+				t: NewTransaction(
+					tranMakeFileAlias, &[]byte{0, 1},
+					NewField(fieldFileName, []byte("testFile")),
+					NewField(fieldFilePath, []byte{
+						0x00, 0x01,
+						0x00, 0x00,
+						0x03,
+						0x2e, 0x2e, 0x2e,
+					}),
+					NewField(fieldFileNewPath, []byte{
+						0x00, 0x01,
+						0x00, 0x00,
+						0x03,
+						0x2e, 0x2e, 0x2e,
+					}),
+				),
+			},
+			wantRes: []Transaction{
+				{
+					Flags:     0x00,
+					IsReply:   0x01,
+					Type:      []byte{0, 0x00},
+					ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
+					ErrorCode: []byte{0, 0, 0, 1},
+					Fields: []Field{
+						NewField(fieldError, []byte("You are not allowed to make aliases.")),
+					},
+				},
+			},
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tt.setup()
+
+			gotRes, err := HandleMakeAlias(tt.args.cc, tt.args.t)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("HandleMakeAlias(%v, %v)", tt.args.cc, tt.args.t)
+				return
+			}
+
+			tranAssertEqual(t, tt.wantRes, gotRes)
+		})
+	}
+}