mirror of
https://github.com/Belphemur/CBZOptimizer.git
synced 2026-07-22 11:25:40 +02:00
Antoine Aflalo
4cb5d10d3f
CodeRabbit review on #217: a ZIP entry named with Windows separators (e.g. "..\outside.png") survives filepath.Base on Unix and would be written verbatim as a ZIP entry name, which Windows consumers may interpret as path traversal. Add archiveBaseName helper that replaces "\" with "/" before deriving the bare base name for OriginalName.
583 lines
19 KiB
Go
583 lines
19 KiB
Go
package cbz
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import (
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"archive/zip"
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"context"
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"fmt"
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"os"
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"path/filepath"
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"regexp"
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"testing"
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"time"
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"github.com/belphemur/CBZOptimizer/v2/internal/manga"
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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 TestLoadChapter(t *testing.T) {
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type testCase struct {
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name string
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filePath string
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expectedPages int
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expectedSeries string
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expectedConversion bool
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}
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testCases := []testCase{
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{
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name: "Original Chapter CBZ",
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filePath: "../../testdata/Chapter 128.cbz",
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expectedPages: 14,
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expectedSeries: "<Series>The Knight King Who Returned with a God</Series>",
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expectedConversion: false,
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},
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{
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name: "Original Chapter CBR",
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filePath: "../../testdata/Chapter 1.cbr",
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expectedPages: 16,
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expectedSeries: "<Series>Boundless Necromancer</Series>",
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expectedConversion: false,
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},
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{
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name: "Converted Chapter",
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filePath: "../../testdata/Chapter 10_converted.cbz",
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expectedPages: 107,
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expectedSeries: "<Series>Boundless Necromancer</Series>",
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expectedConversion: true,
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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chapter, err := LoadChapter(tc.filePath)
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require.NoError(t, err)
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defer func() { _ = chapter.Cleanup() }()
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assert.Equal(t, tc.expectedPages, len(chapter.Pages))
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assert.Contains(t, chapter.ComicInfoXml, tc.expectedSeries)
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assert.Equal(t, tc.expectedConversion, chapter.IsConverted)
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// Verify pages are on disk
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for _, page := range chapter.Pages {
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assert.NotEmpty(t, page.FilePath, "Page %d has no file path", page.Index)
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}
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})
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}
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}
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func TestIsAlreadyConverted(t *testing.T) {
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testCases := []struct {
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name string
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filePath string
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expected bool
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}{
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{
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name: "Converted CBZ",
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filePath: "../../testdata/Chapter 10_converted.cbz",
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expected: true,
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},
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{
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name: "Original CBZ",
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filePath: "../../testdata/Chapter 128.cbz",
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expected: false,
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},
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{
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name: "Original CBR",
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filePath: "../../testdata/Chapter 1.cbr",
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expected: false,
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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result, err := IsAlreadyConverted(context.Background(), tc.filePath)
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require.NoError(t, err)
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assert.Equal(t, tc.expected, result)
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})
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}
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}
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func TestIsAlreadyConverted_NonexistentFile(t *testing.T) {
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_, err := IsAlreadyConverted(context.Background(), "/nonexistent/file.cbz")
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require.Error(t, err)
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}
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func TestIsAlreadyConverted_InvalidExtension(t *testing.T) {
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// Create a temp file with unsupported extension
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tmpFile, err := os.CreateTemp("", "test-*.txt")
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require.NoError(t, err)
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defer func() { _ = os.Remove(tmpFile.Name()) }()
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_ = tmpFile.Close()
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result, err := IsAlreadyConverted(context.Background(), tmpFile.Name())
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require.NoError(t, err)
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assert.False(t, result, "Expected false for unsupported extension")
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}
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func TestIsAlreadyConverted_CBZWithConvertedComment(t *testing.T) {
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// Create a CBZ file with a zip comment containing a date (marks as converted)
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tmpDir := t.TempDir()
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cbzPath := filepath.Join(tmpDir, "test.cbz")
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f, err := os.Create(cbzPath)
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require.NoError(t, err)
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w := zip.NewWriter(f)
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_ = w.SetComment(time.Now().Format(time.RFC3339))
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// Add a dummy file
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fw, err := w.Create("page.webp")
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require.NoError(t, err)
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_, _ = fw.Write([]byte("dummy"))
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_ = w.Close()
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_ = f.Close()
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result, err := IsAlreadyConverted(context.Background(), cbzPath)
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require.NoError(t, err)
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assert.True(t, result, "Expected CBZ with date comment to be detected as converted")
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}
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func TestIsAlreadyConverted_CBZWithNonDateComment(t *testing.T) {
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tmpDir := t.TempDir()
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cbzPath := filepath.Join(tmpDir, "test.cbz")
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f, err := os.Create(cbzPath)
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require.NoError(t, err)
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w := zip.NewWriter(f)
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_ = w.SetComment("this is not a date")
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fw, err := w.Create("page.jpg")
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require.NoError(t, err)
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_, _ = fw.Write([]byte("dummy"))
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_ = w.Close()
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_ = f.Close()
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result, err := IsAlreadyConverted(context.Background(), cbzPath)
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require.NoError(t, err)
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assert.False(t, result, "Expected CBZ with non-date comment to NOT be detected as converted")
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}
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func TestExtractChapter_NonexistentFile(t *testing.T) {
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_, err := ExtractChapter(context.Background(), "/nonexistent/file.cbz", false)
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require.Error(t, err)
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}
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func TestExtractChapter_PageExtensions(t *testing.T) {
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chapter, err := ExtractChapter(context.Background(), "../../testdata/Chapter 128.cbz", false)
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require.NoError(t, err)
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defer func() { _ = chapter.Cleanup() }()
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// All pages should have valid image extensions
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validExts := map[string]bool{".jpg": true, ".jpeg": true, ".png": true, ".webp": true, ".gif": true}
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for _, page := range chapter.Pages {
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assert.True(t, validExts[page.Extension], "Page %d has unexpected extension: %s", page.Index, page.Extension)
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}
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}
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func TestExtractChapter_PagesHaveSequentialIndices(t *testing.T) {
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t.Run("default sequential naming", func(t *testing.T) {
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chapter, err := ExtractChapter(context.Background(), "../../testdata/Chapter 128.cbz", false)
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require.NoError(t, err)
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defer func() { _ = chapter.Cleanup() }()
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for i, page := range chapter.Pages {
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assert.Equal(t, uint16(i), page.Index)
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assert.Empty(t, page.OriginalName, "keep-filenames disabled: OriginalName must stay empty")
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}
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})
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t.Run("keep-filenames records OriginalName", func(t *testing.T) {
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chapter, err := ExtractChapter(context.Background(), "../../testdata/Chapter 128.cbz", true)
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require.NoError(t, err)
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defer func() { _ = chapter.Cleanup() }()
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require.NotEmpty(t, chapter.Pages)
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for i, page := range chapter.Pages {
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assert.Equal(t, uint16(i), page.Index)
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assert.NotEmpty(t, page.OriginalName, "keep-filenames enabled: OriginalName must be set for every page")
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// OriginalName must be a bare base name (no directory prefix), even
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// when the source archive nests pages in subdirectories.
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assert.Equal(t, filepath.Base(page.OriginalName), page.OriginalName,
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"OriginalName should be a base filename with no path components")
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}
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})
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}
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// writeCollisionCBZ builds a CBZ containing the same image base name in two
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// different subdirectories plus a normal unique page. The test fixture is
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// specifically crafted to reproduce the race fixed in ExtractChapter: when
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// keep-filenames naively copied filepath.Base(path) into OriginalName, both
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// a/page.png and b/page.png would have ended up with the same stem and the
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// WebP converter would have raced on a single shared intermediate path.
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func writeCollisionCBZ(t *testing.T, dir string) string {
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t.Helper()
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cbzPath := filepath.Join(dir, "collisions.cbz")
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f, err := os.Create(cbzPath)
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require.NoError(t, err)
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w := zip.NewWriter(f)
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for _, entry := range []string{"a/page.png", "b/page.png", "cover.png"} {
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fw, err := w.Create(entry)
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require.NoError(t, err)
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_, err = fw.Write([]byte("dummy image bytes for " + entry))
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require.NoError(t, err)
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}
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require.NoError(t, w.Close())
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require.NoError(t, f.Close())
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return cbzPath
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}
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func TestExtractChapter_KeepFilenames_DeduplicatesCollidingNames(t *testing.T) {
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tmpDir := t.TempDir()
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cbzPath := writeCollisionCBZ(t, tmpDir)
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t.Run("keep-filenames resolves colliding base names", func(t *testing.T) {
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chapter, err := ExtractChapter(context.Background(), cbzPath, true)
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require.NoError(t, err)
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defer func() { _ = chapter.Cleanup() }()
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require.Len(t, chapter.Pages, 3, "expected 3 pages: two colliding + one unique")
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// All OriginalNames must be non-empty bare base names and unique.
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seen := make(map[string]struct{}, len(chapter.Pages))
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for _, page := range chapter.Pages {
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assert.NotEmpty(t, page.OriginalName, "page %d must have OriginalName set", page.Index)
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assert.Equal(t, filepath.Base(page.OriginalName), page.OriginalName,
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"page %d OriginalName should be a bare base filename", page.Index)
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if _, dup := seen[page.OriginalName]; dup {
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t.Errorf("duplicate OriginalName across pages: %q", page.OriginalName)
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}
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seen[page.OriginalName] = struct{}{}
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}
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// The unique page keeps its original name; the two colliding pages
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// must come out as one bare "page.png" and one indexed variant.
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assert.Contains(t, seen, "page.png", "one colliding page should keep the bare page.png name")
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assert.Contains(t, seen, "cover.png", "the unique page should keep its original name")
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indexedPattern := regexp.MustCompile(`^page_\d{4}\.png$`)
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indexedCount := 0
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for name := range seen {
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if indexedPattern.MatchString(name) {
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indexedCount++
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}
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}
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assert.Equal(t, 1, indexedCount,
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"exactly one colliding page should be resolved to the page_NNNN.png pattern, got %v", seen)
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})
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t.Run("keep-filenames off leaves OriginalName empty (regression guard)", func(t *testing.T) {
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// Same collision-prone archive, but with keep-filenames off: the
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// dedup logic must not run, so OriginalName stays empty for every
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// page. This is the historical default and must not regress.
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chapter, err := ExtractChapter(context.Background(), cbzPath, false)
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require.NoError(t, err)
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defer func() { _ = chapter.Cleanup() }()
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require.Len(t, chapter.Pages, 3)
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for _, page := range chapter.Pages {
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assert.Empty(t, page.OriginalName, "page %d must have empty OriginalName when keep-filenames is off", page.Index)
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}
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})
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}
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// writeBackslashCBZ builds a CBZ whose entry names mix Windows-style
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// backslash separators with a normal forward-slash page. The fixture
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// reproduces the CodeRabbit finding for PR #217: archive entries like
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// "subdir\page.png" and "..\evil.png" must not surface verbatim as the
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// OriginalName written into the output CBZ, since Windows ZIP consumers
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// can interpret backslashes as path traversal.
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func writeBackslashCBZ(t *testing.T, dir string) string {
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t.Helper()
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cbzPath := filepath.Join(dir, "backslash.cbz")
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f, err := os.Create(cbzPath)
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require.NoError(t, err)
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w := zip.NewWriter(f)
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// archive/zip stores entry names verbatim, so the bytes on the wire
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// carry the backslashes through to fs.WalkDir in ExtractChapter.
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for _, entry := range []string{`subdir\page.png`, `..\evil.png`, "cover.png"} {
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fw, err := w.Create(entry)
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require.NoError(t, err)
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_, err = fw.Write([]byte("dummy image bytes for " + entry))
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require.NoError(t, err)
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}
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require.NoError(t, w.Close())
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require.NoError(t, f.Close())
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return cbzPath
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}
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func TestExtractChapter_KeepFilenames_NormalizesWindowsSeparators(t *testing.T) {
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tmpDir := t.TempDir()
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cbzPath := writeBackslashCBZ(t, tmpDir)
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chapter, err := ExtractChapter(context.Background(), cbzPath, true)
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require.NoError(t, err)
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defer func() { _ = chapter.Cleanup() }()
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require.Len(t, chapter.Pages, 3, "expected 3 pages: two backslash entries + one normal")
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// Every OriginalName must be a bare base name: no backslashes, no
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// forward slashes, and unique across the chapter.
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seen := make(map[string]struct{}, len(chapter.Pages))
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for _, page := range chapter.Pages {
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assert.NotEmpty(t, page.OriginalName, "page %d must have OriginalName set", page.Index)
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assert.NotContains(t, page.OriginalName, `\`, "page %d OriginalName must not contain backslash, got %q", page.Index, page.OriginalName)
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assert.NotContains(t, page.OriginalName, "/", "page %d OriginalName must not contain forward slash, got %q", page.Index, page.OriginalName)
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assert.Equal(t, filepath.Base(page.OriginalName), page.OriginalName,
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"page %d OriginalName should be a bare base filename", page.Index)
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if _, dup := seen[page.OriginalName]; dup {
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t.Errorf("duplicate OriginalName across pages: %q", page.OriginalName)
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}
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seen[page.OriginalName] = struct{}{}
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}
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// The two backslash entries must collapse to their bare bases; the
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// "..\evil.png" entry's leading "..\evil" must not be carried through.
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assert.Contains(t, seen, "page.png", "subdir\\page.png should normalize to bare page.png")
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assert.Contains(t, seen, "evil.png", "..\\evil.png should normalize to bare evil.png")
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assert.Contains(t, seen, "cover.png", "cover.png should pass through unchanged")
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}
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func TestExtractChapter_Cleanup(t *testing.T) {
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chapter, err := ExtractChapter(context.Background(), "../../testdata/Chapter 128.cbz", false)
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require.NoError(t, err)
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tempDir := chapter.TempDir
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// Verify temp dir exists
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assert.DirExists(t, tempDir)
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// Cleanup should remove temp dir
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err = chapter.Cleanup()
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require.NoError(t, err)
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assert.NoDirExists(t, tempDir)
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}
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func TestExtractChapter_CBR(t *testing.T) {
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chapter, err := ExtractChapter(context.Background(), "../../testdata/Chapter 1.cbr", false)
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require.NoError(t, err)
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defer func() { _ = chapter.Cleanup() }()
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assert.Len(t, chapter.Pages, 16)
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// All page files should exist on disk
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for _, page := range chapter.Pages {
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assert.FileExists(t, page.FilePath)
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}
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}
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func TestExtractChapter_ConvertedStatus(t *testing.T) {
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chapter, err := ExtractChapter(context.Background(), "../../testdata/Chapter 10_converted.cbz", false)
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require.NoError(t, err)
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defer func() { _ = chapter.Cleanup() }()
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assert.True(t, chapter.IsConverted, "Expected converted chapter to have IsConverted = true")
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assert.False(t, chapter.ConvertedTime.IsZero(), "Expected non-zero ConvertedTime for converted chapter")
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}
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func TestWriteChapterToCBZ_EmptyChapter(t *testing.T) {
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tmpDir := t.TempDir()
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outputPath := filepath.Join(tmpDir, "empty.cbz")
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chapter := &manga.Chapter{
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FilePath: filepath.Join(tmpDir, "source.cbz"),
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TempDir: tmpDir,
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Pages: []*manga.PageFile{},
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}
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err := WriteChapterToCBZ(chapter, outputPath)
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require.NoError(t, err)
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// Verify the file is a valid zip
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r, err := zip.OpenReader(outputPath)
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require.NoError(t, err)
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_ = r.Close()
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}
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func TestWriteChapterToCBZ_WithComicInfo(t *testing.T) {
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tmpDir := t.TempDir()
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outputPath := filepath.Join(tmpDir, "output.cbz")
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inputDir := filepath.Join(tmpDir, "input")
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_ = os.MkdirAll(inputDir, 0755)
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// Create a dummy page file
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pagePath := filepath.Join(inputDir, "0000.jpg")
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_ = os.WriteFile(pagePath, []byte("fake image data"), 0644)
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chapter := &manga.Chapter{
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FilePath: filepath.Join(tmpDir, "source.cbz"),
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TempDir: tmpDir,
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ComicInfoXml: `<?xml version="1.0"?><ComicInfo><Series>Test</Series></ComicInfo>`,
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Pages: []*manga.PageFile{
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{Index: 0, Extension: ".jpg", FilePath: pagePath},
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},
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}
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chapter.SetConverted()
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err := WriteChapterToCBZ(chapter, outputPath)
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require.NoError(t, err)
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// Verify ComicInfo.xml is present
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r, err := zip.OpenReader(outputPath)
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require.NoError(t, err)
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defer func() { _ = r.Close() }()
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foundComicInfo := false
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for _, f := range r.File {
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if f.Name == "ComicInfo.xml" {
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foundComicInfo = true
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}
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}
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assert.True(t, foundComicInfo, "ComicInfo.xml not found in output CBZ")
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// Verify zip comment has converted timestamp
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assert.NotEmpty(t, r.Comment, "Expected zip comment with conversion timestamp")
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}
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func TestWriteChapterToCBZ_InvalidPagePath(t *testing.T) {
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tmpDir := t.TempDir()
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outputPath := filepath.Join(tmpDir, "output.cbz")
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chapter := &manga.Chapter{
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FilePath: filepath.Join(tmpDir, "source.cbz"),
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TempDir: tmpDir,
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Pages: []*manga.PageFile{
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{Index: 0, Extension: ".jpg", FilePath: "/nonexistent/page.jpg"},
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},
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}
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err := WriteChapterToCBZ(chapter, outputPath)
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require.Error(t, err)
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}
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func TestIsAlreadyConverted_CBZWithConvertedTxt(t *testing.T) {
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// Create a CBZ with converted.txt inside (no zip comment)
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tmpDir := t.TempDir()
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cbzPath := filepath.Join(tmpDir, "test.cbz")
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f, err := os.Create(cbzPath)
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require.NoError(t, err)
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w := zip.NewWriter(f)
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// Add converted.txt with a date
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|
fw, err := w.Create("converted.txt")
|
|
require.NoError(t, err)
|
|
_, _ = fw.Write([]byte(time.Now().Format(time.RFC3339)))
|
|
// Add a dummy page
|
|
fw, err = w.Create("page.webp")
|
|
require.NoError(t, err)
|
|
_, _ = fw.Write([]byte("dummy"))
|
|
_ = w.Close()
|
|
_ = f.Close()
|
|
|
|
result, err := IsAlreadyConverted(context.Background(), cbzPath)
|
|
require.NoError(t, err)
|
|
assert.True(t, result, "Expected CBZ with converted.txt to be detected as converted")
|
|
}
|
|
|
|
func TestIsAlreadyConverted_CBZWithInvalidConvertedTxt(t *testing.T) {
|
|
// Create a CBZ with converted.txt that has invalid date
|
|
tmpDir := t.TempDir()
|
|
cbzPath := filepath.Join(tmpDir, "test.cbz")
|
|
|
|
f, err := os.Create(cbzPath)
|
|
require.NoError(t, err)
|
|
w := zip.NewWriter(f)
|
|
fw, err := w.Create("converted.txt")
|
|
require.NoError(t, err)
|
|
_, _ = fw.Write([]byte("not a valid date"))
|
|
_ = w.Close()
|
|
_ = f.Close()
|
|
|
|
result, err := IsAlreadyConverted(context.Background(), cbzPath)
|
|
require.NoError(t, err)
|
|
assert.False(t, result, "Expected CBZ with invalid date in converted.txt to NOT be detected as converted")
|
|
}
|
|
|
|
func TestExtractChapter_WithConvertedTxt(t *testing.T) {
|
|
// Create a CBZ with converted.txt inside
|
|
tmpDir := t.TempDir()
|
|
cbzPath := filepath.Join(tmpDir, "test.cbz")
|
|
|
|
f, err := os.Create(cbzPath)
|
|
require.NoError(t, err)
|
|
w := zip.NewWriter(f)
|
|
fw, err := w.Create("converted.txt")
|
|
require.NoError(t, err)
|
|
convertedTime := time.Date(2024, 6, 15, 12, 0, 0, 0, time.UTC)
|
|
_, _ = fw.Write([]byte(convertedTime.Format(time.RFC3339)))
|
|
fw, err = w.Create("page001.jpg")
|
|
require.NoError(t, err)
|
|
_, _ = fw.Write([]byte("fake image"))
|
|
_ = w.Close()
|
|
_ = f.Close()
|
|
|
|
chapter, err := ExtractChapter(context.Background(), cbzPath, false)
|
|
require.NoError(t, err)
|
|
defer func() { _ = chapter.Cleanup() }()
|
|
|
|
assert.True(t, chapter.IsConverted, "Expected chapter with converted.txt to be marked as converted")
|
|
assert.False(t, chapter.ConvertedTime.IsZero(), "Expected non-zero ConvertedTime")
|
|
}
|
|
|
|
func TestWriteChapterToCBZ_MultiplePages(t *testing.T) {
|
|
tmpDir := t.TempDir()
|
|
outputPath := filepath.Join(tmpDir, "output.cbz")
|
|
inputDir := filepath.Join(tmpDir, "input")
|
|
_ = os.MkdirAll(inputDir, 0755)
|
|
|
|
// Create multiple dummy page files
|
|
var pages []*manga.PageFile
|
|
for i := 0; i < 5; i++ {
|
|
pagePath := filepath.Join(inputDir, fmt.Sprintf("%04d.webp", i))
|
|
_ = os.WriteFile(pagePath, []byte(fmt.Sprintf("page %d content", i)), 0644)
|
|
pages = append(pages, &manga.PageFile{
|
|
Index: uint16(i),
|
|
Extension: ".webp",
|
|
FilePath: pagePath,
|
|
})
|
|
}
|
|
|
|
chapter := &manga.Chapter{
|
|
FilePath: filepath.Join(tmpDir, "source.cbz"),
|
|
TempDir: tmpDir,
|
|
Pages: pages,
|
|
}
|
|
chapter.SetConverted()
|
|
|
|
err := WriteChapterToCBZ(chapter, outputPath)
|
|
require.NoError(t, err)
|
|
|
|
// Verify archive contents
|
|
r, err := zip.OpenReader(outputPath)
|
|
require.NoError(t, err)
|
|
defer func() { _ = r.Close() }()
|
|
|
|
// Should have 5 pages = 5 files (conversion status stored in zip comment, not as file)
|
|
expectedFiles := 5
|
|
assert.Len(t, r.File, expectedFiles)
|
|
|
|
// Verify zip comment is set
|
|
assert.NotEmpty(t, r.Comment, "Expected zip comment for converted chapter")
|
|
}
|
|
|
|
func TestWriteChapterToCBZ_InvalidOutputPath(t *testing.T) {
|
|
tmpDir := t.TempDir()
|
|
inputDir := filepath.Join(tmpDir, "input")
|
|
_ = os.MkdirAll(inputDir, 0755)
|
|
|
|
pagePath := filepath.Join(inputDir, "0000.webp")
|
|
_ = os.WriteFile(pagePath, []byte("content"), 0644)
|
|
|
|
chapter := &manga.Chapter{
|
|
FilePath: filepath.Join(tmpDir, "source.cbz"),
|
|
TempDir: tmpDir,
|
|
Pages: []*manga.PageFile{
|
|
{Index: 0, Extension: ".webp", FilePath: pagePath},
|
|
},
|
|
}
|
|
|
|
err := WriteChapterToCBZ(chapter, "/nonexistent/dir/output.cbz")
|
|
require.Error(t, err)
|
|
}
|