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Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/4573 Co-authored-by: TheFox0x7 <thefox0x7@gmail.com> Co-committed-by: TheFox0x7 <thefox0x7@gmail.com>
137 lines
3.8 KiB
Go
137 lines
3.8 KiB
Go
// Copyright 2016 The Gogs Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package avatar
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import (
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"bytes"
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"image"
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"image/png"
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"os"
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"testing"
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"code.gitea.io/gitea/modules/setting"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func Test_RandomImageSize(t *testing.T) {
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_, err := RandomImageSize(0, []byte("gitea@local"))
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require.Error(t, err)
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_, err = RandomImageSize(64, []byte("gitea@local"))
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require.NoError(t, err)
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}
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func Test_RandomImage(t *testing.T) {
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_, err := RandomImage([]byte("gitea@local"))
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require.NoError(t, err)
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}
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func Test_ProcessAvatarPNG(t *testing.T) {
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setting.Avatar.MaxWidth = 4096
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setting.Avatar.MaxHeight = 4096
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data, err := os.ReadFile("testdata/avatar.png")
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require.NoError(t, err)
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_, err = processAvatarImage(data, 262144)
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require.NoError(t, err)
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}
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func Test_ProcessAvatarJPEG(t *testing.T) {
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setting.Avatar.MaxWidth = 4096
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setting.Avatar.MaxHeight = 4096
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data, err := os.ReadFile("testdata/avatar.jpeg")
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require.NoError(t, err)
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_, err = processAvatarImage(data, 262144)
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require.NoError(t, err)
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}
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func Test_ProcessAvatarInvalidData(t *testing.T) {
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setting.Avatar.MaxWidth = 5
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setting.Avatar.MaxHeight = 5
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_, err := processAvatarImage([]byte{}, 12800)
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assert.EqualError(t, err, "image.DecodeConfig: image: unknown format")
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}
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func Test_ProcessAvatarInvalidImageSize(t *testing.T) {
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setting.Avatar.MaxWidth = 5
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setting.Avatar.MaxHeight = 5
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data, err := os.ReadFile("testdata/avatar.png")
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require.NoError(t, err)
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_, err = processAvatarImage(data, 12800)
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assert.EqualError(t, err, "image width is too large: 10 > 5")
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}
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func Test_ProcessAvatarImage(t *testing.T) {
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setting.Avatar.MaxWidth = 4096
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setting.Avatar.MaxHeight = 4096
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scaledSize := DefaultAvatarSize * setting.Avatar.RenderedSizeFactor
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newImgData := func(size int, optHeight ...int) []byte {
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width := size
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height := size
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if len(optHeight) == 1 {
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height = optHeight[0]
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}
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img := image.NewRGBA(image.Rect(0, 0, width, height))
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bs := bytes.Buffer{}
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err := png.Encode(&bs, img)
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require.NoError(t, err)
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return bs.Bytes()
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}
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// if origin image canvas is too large, crop and resize it
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origin := newImgData(500, 600)
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result, err := processAvatarImage(origin, 0)
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require.NoError(t, err)
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assert.NotEqual(t, origin, result)
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decoded, err := png.Decode(bytes.NewReader(result))
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require.NoError(t, err)
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assert.EqualValues(t, scaledSize, decoded.Bounds().Max.X)
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assert.EqualValues(t, scaledSize, decoded.Bounds().Max.Y)
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// if origin image is smaller than the default size, use the origin image
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origin = newImgData(1)
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result, err = processAvatarImage(origin, 0)
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require.NoError(t, err)
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assert.Equal(t, origin, result)
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// use the origin image if the origin is smaller
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origin = newImgData(scaledSize + 100)
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result, err = processAvatarImage(origin, 0)
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require.NoError(t, err)
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assert.Less(t, len(result), len(origin))
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// still use the origin image if the origin doesn't exceed the max-origin-size
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origin = newImgData(scaledSize + 100)
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result, err = processAvatarImage(origin, 262144)
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require.NoError(t, err)
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assert.Equal(t, origin, result)
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// allow to use known image format (eg: webp) if it is small enough
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origin, err = os.ReadFile("testdata/animated.webp")
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require.NoError(t, err)
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result, err = processAvatarImage(origin, 262144)
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require.NoError(t, err)
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assert.Equal(t, origin, result)
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// do not support unknown image formats, eg: SVG may contain embedded JS
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origin = []byte("<svg></svg>")
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_, err = processAvatarImage(origin, 262144)
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require.ErrorContains(t, err, "image: unknown format")
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// make sure the canvas size limit works
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setting.Avatar.MaxWidth = 5
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setting.Avatar.MaxHeight = 5
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origin = newImgData(10)
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_, err = processAvatarImage(origin, 262144)
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require.ErrorContains(t, err, "image width is too large: 10 > 5")
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}
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