adalal/gotenberg
1
0
Fork 0
mirror of https://github.com/gotenberg/gotenberg.git synced 2026-08-17 12:42:16 +01:00
Code Issues Packages Projects Releases Wiki Activity

feat(pdfengines): add PDF/UA (#714)

Browse Source
This commit is contained in:
Julien Neuhart
2023-11-05 20:14:36 +01:00
committed by GitHub
parent 9c3dfc78df
commit 143b7ce678
39 changed files with 1300 additions and 1013 deletions
Download Patch File Download Diff File Expand all files Collapse all files

78
pkg/modules/libreoffice/routes.go
View File

@@ -14,7 +14,7 @@ import (
// convertRoute returns an [api.Route] which can convert LibreOffice documents
// to PDF.
func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PDFEngine) api.Route {
func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) api.Route {
return api.Route{
Method: http.MethodPost,
Path: "/forms/libreoffice/convert",
@@ -30,6 +30,9 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PDFEngine) ap
nativePdfA1aFormat bool
nativePdfFormat string
pdfFormat string
pdfa string
pdfua bool
nativePdfFormats bool
merge bool
)
@@ -40,50 +43,69 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PDFEngine) ap
Bool("nativePdfA1aFormat", &nativePdfA1aFormat, false).
String("nativePdfFormat", &nativePdfFormat, "").
String("pdfFormat", &pdfFormat, "").
String("pdfa", &pdfa, "").
Bool("pdfua", &pdfua, false).
Bool("nativePdfFormats", &nativePdfFormats, true).
Bool("merge", &merge, false).
Validate()
if err != nil {
return fmt.Errorf("validate form data: %w", err)
}
// nativePdfFormat > pdfFormat > nativePdfA1aFormat.
// FIXME: deprecated.
// pdfa > nativePdfFormat > pdfFormat > nativePdfA1aFormat.
var (
actualPdfFormat string
nativeFormat bool
actualPdfArchive string
nativeFormats bool
)
// FIXME: deprecated.
if nativePdfA1aFormat {
ctx.Log().Warn("'nativePdfA1aFormat' is deprecated; prefer 'nativePdfFormat' or 'pdfFormat' form fields instead")
actualPdfFormat = gotenberg.FormatPDFA1a
nativeFormat = true
ctx.Log().Warn("'nativePdfA1aFormat' is deprecated; prefer the 'pdfa' form field instead")
actualPdfArchive = gotenberg.PdfA1a
nativeFormats = true
}
if pdfFormat != "" {
actualPdfFormat = pdfFormat
nativeFormat = false
ctx.Log().Warn("'pdfFormat' is deprecated; prefer the 'pdfa' form field instead")
actualPdfArchive = pdfFormat
nativeFormats = false
}
if nativePdfFormat != "" {
actualPdfFormat = nativePdfFormat
nativeFormat = true
ctx.Log().Warn("'nativePdfFormat' is deprecated; prefer the 'pdfa' form field instead")
actualPdfArchive = nativePdfFormat
nativeFormats = true
}
if pdfa != "" {
actualPdfArchive = pdfa
nativeFormats = nativePdfFormats
}
if pdfua {
nativeFormats = nativePdfFormats
}
pdfFormats := gotenberg.PdfFormats{
PdfA: actualPdfArchive,
PdfUa: pdfua,
}
// Alright, let's convert each document to PDF.
outputPaths := make([]string, len(inputPaths))
for i, inputPath := range inputPaths {
outputPaths[i] = ctx.GeneratePath(".pdf")
options := libreofficeapi.Options{
Landscape: landscape,
PageRanges: nativePageRanges,
PdfFormat: nativePdfFormat,
}
if nativeFormats {
options.PdfFormats = pdfFormats
}
err = libreOffice.Pdf(ctx, ctx.Log(), inputPath, outputPaths[i], options)
if err != nil {
if errors.Is(err, libreofficeapi.ErrMalformedPageRanges) {
return api.WrapError(
@@ -108,21 +130,20 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PDFEngine) ap
}
// Now, let's check if the client want to convert this result
// PDF to a specific PDF format.
if !nativeFormat && actualPdfFormat != "" {
// PDF to specific PDF formats.
zeroValued := gotenberg.PdfFormats{}
if !nativeFormats && pdfFormats != zeroValued {
convertInputPath := outputPath
convertOutputPath := ctx.GeneratePath(".pdf")
err = engine.Convert(ctx, ctx.Log(), actualPdfFormat, convertInputPath, convertOutputPath)
err = engine.Convert(ctx, ctx.Log(), pdfFormats, convertInputPath, convertOutputPath)
if err != nil {
if errors.Is(err, gotenberg.ErrPDFFormatNotAvailable) {
if errors.Is(err, gotenberg.ErrPdfFormatNotSupported) {
return api.WrapError(
fmt.Errorf("convert PDF: %w", err),
api.NewSentinelHTTPError(
http.StatusBadRequest,
fmt.Sprintf("At least one PDF engine does not handle the PDF format '%s' (pdfFormat), while other have failed to convert for other reasons", actualPdfFormat),
fmt.Sprintf("At least one PDF engine does not handle one of the PDF format in '%+v', while other have failed to convert for other reasons", pdfFormats),
),
)
}
@@ -147,23 +168,22 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PDFEngine) ap
// Ok, we don't have to merge the PDFs. Let's check if the client
// want to convert each PDF to a specific PDF format.
if !nativeFormat && actualPdfFormat != "" {
zeroValued := gotenberg.PdfFormats{}
if !nativeFormats && pdfFormats != zeroValued {
convertOutputPaths := make([]string, len(outputPaths))
for i, outputPath := range outputPaths {
convertInputPath := outputPath
convertOutputPaths[i] = ctx.GeneratePath(".pdf")
err = engine.Convert(ctx, ctx.Log(), actualPdfFormat, convertInputPath, convertOutputPaths[i])
err = engine.Convert(ctx, ctx.Log(), pdfFormats, convertInputPath, convertOutputPaths[i])
if err != nil {
if errors.Is(err, gotenberg.ErrPDFFormatNotAvailable) {
if errors.Is(err, gotenberg.ErrPdfFormatNotSupported) {
return api.WrapError(
fmt.Errorf("convert PDF: %w", err),
api.NewSentinelHTTPError(
http.StatusBadRequest,
fmt.Sprintf("At least one PDF engine does not handle the PDF format '%s' (pdfFormat), while other have failed to convert for other reasons", actualPdfFormat),
fmt.Sprintf("At least one PDF engine does not handle one of the PDF format in '%+v', while other have failed to convert for other reasons", pdfFormats),
),
)
}