sklemp/pdf-xrechnung
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feat: use new pdf lib

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sklemp
2026-02-06 21:09:58 +01:00
parent 785f3f9393
commit b659359a79
12 changed files with 106 additions and 109 deletions
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.gitignore
+1 -1
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@@ -1,2 +1,2 @@
.idea
dist
build.sh
Executable
+1
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@@ -0,0 +1 @@
GOARCH=amd64 GOOS=windows go build -ldflags "-s -w" -o dist/pdf_xml_helper.exe main.go
debug.log
+31 -44
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File diff suppressed because one or more lines are too long
go.mod
+2
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@@ -18,7 +18,9 @@ require (
github.com/pkg/errors v0.9.1 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
github.com/xrash/smetrics v0.0.0-20250705151800-55b8f293f342 // indirect
gitlab.com/romalor/pdflib v0.2.2 // indirect
golang.org/x/crypto v0.46.0 // indirect
golang.org/x/exp v0.0.0-20251219203646-944ab1f22d93 // indirect
golang.org/x/image v0.34.0 // indirect
golang.org/x/text v0.32.0 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
go.sum
+4
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@@ -22,8 +22,12 @@ github.com/urfave/cli/v2 v2.27.7 h1:bH59vdhbjLv3LAvIu6gd0usJHgoTTPhCFib8qqOwXYU=
github.com/urfave/cli/v2 v2.27.7/go.mod h1:CyNAG/xg+iAOg0N4MPGZqVmv2rCoP267496AOXUZjA4=
github.com/xrash/smetrics v0.0.0-20250705151800-55b8f293f342 h1:FnBeRrxr7OU4VvAzt5X7s6266i6cSVkkFPS0TuXWbIg=
github.com/xrash/smetrics v0.0.0-20250705151800-55b8f293f342/go.mod h1:Ohn+xnUBiLI6FVj/9LpzZWtj1/D6lUovWYBkxHVV3aM=
gitlab.com/romalor/pdflib v0.2.2 h1:gbwkCS/371jnMqnDmJkj9MzwdZ+PhhzsbDK6StvcA7w=
gitlab.com/romalor/pdflib v0.2.2/go.mod h1:BIibw9gBIyPcSF4BJrJfjGdL+orRKVDqJFJ9OGZ4+UM=
golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU=
golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0=
golang.org/x/exp v0.0.0-20251219203646-944ab1f22d93 h1:fQsdNF2N+/YewlRZiricy4P1iimyPKZ/xwniHj8Q2a0=
golang.org/x/exp v0.0.0-20251219203646-944ab1f22d93/go.mod h1:EPRbTFwzwjXj9NpYyyrvenVh9Y+GFeEvMNh7Xuz7xgU=
golang.org/x/image v0.34.0 h1:33gCkyw9hmwbZJeZkct8XyR11yH889EQt/QH4VmXMn8=
golang.org/x/image v0.34.0/go.mod h1:2RNFBZRB+vnwwFil8GkMdRvrJOFd1AzdZI6vOY+eJVU=
golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
invoice.xml
Executable → Regular
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lib/append.go
+42 -32
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@@ -1,19 +1,25 @@
package lib
import (
"bytes"
"errors"
"fmt"
"io"
"os"
"path"
"path/filepath"
"strings"
"time"
"github.com/pdfcpu/pdfcpu/pkg/api"
"github.com/pdfcpu/pdfcpu/pkg/pdfcpu/model"
"gitlab.com/romalor/pdflib/pkg/components/attachment"
"gitlab.com/romalor/pdflib/pkg/pdf"
)
func AppendToPdf(inputPdfFilePath string, inputXmlFilePath string, outputFilePath string) error {
func AppendToPdf(
inputPdfFilePath string,
inputXmlFilePath string,
outputFilePath string,
embedName string,
description string,
) error {
logger := GetDebugLogger()
logger.Log(fmt.Sprintf("enter appendToPdf(%s, %s, %s)", inputPdfFilePath, inputXmlFilePath, outputFilePath))
defer func() {
@@ -35,6 +41,14 @@ func AppendToPdf(inputPdfFilePath string, inputXmlFilePath string, outputFilePat
) + "_xml.pdf"
}
if description == "" {
description = "Rechnung"
}
if embedName == "" {
embedName = "factur-x.xml"
}
logger.Log(
fmt.Sprintf(
"pdfInput: '%s' xmlInput: '%s' output: '%s'",
@@ -50,48 +64,44 @@ func AppendToPdf(inputPdfFilePath string, inputXmlFilePath string, outputFilePat
}
defer inputFile.Close()
dest := bytes.Buffer{}
err = api.AddAttachments(
inputFile,
&dest,
[]string{inputXmlFilePath},
true,
model.NewDefaultConfiguration(),
)
var doc *pdf.Document
doc, err = pdf.OpenReaderWithOptions(inputFile, pdf.OpenOptions{
Writable: true,
})
if err != nil {
return err
}
source := bytes.NewReader(dest.Bytes())
dest = bytes.Buffer{}
err = api.AddProperties(source, &dest, map[string]string{
"DocumentFileName": path.Base(inputXmlFilePath),
"DocumentType": "INVOICE",
"ConformanceLevel": "EN 16931",
"SchemasSchema": "Factur-X PDFA Extension Schema",
"SchemasPrefix": "fx",
"SchemasPropertyName": "DocumentFileName",
"SchemasPropertyValueType": "Text",
"SchemasPropertyCategory": "external",
"SchemasPropertyDescription": "The name of the embedded XML document",
}, model.NewDefaultConfiguration())
var inputXmlFile *os.File
inputXmlFile, err = os.Open(inputXmlFilePath)
if err != nil {
return err
}
var outputFile *os.File
outputFile, err = os.Create(outputFilePath)
var inputData []byte
inputData, err = io.ReadAll(inputXmlFile)
if err != nil {
return err
}
defer outputFile.Close()
_, err = outputFile.Write(dest.Bytes())
err = doc.AddAttachment(attachment.Attachment{
Name: embedName,
Description: description,
MIMEType: "text/xml",
Size: int64(len(inputData)),
Relationship: "Alternative",
ModDate: time.Now(),
}, inputData)
if err != nil {
return err
}
logger.Log(doc.Writer().Version)
err = doc.Writer().SaveAs(outputFilePath)
if err != nil {
return err
}
return nil
}
lib/extract.go
+9 -29
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@@ -3,13 +3,12 @@ package lib
import (
"errors"
"fmt"
"io"
"os"
"path/filepath"
"strings"
"github.com/pdfcpu/pdfcpu/pkg/api"
"github.com/pdfcpu/pdfcpu/pkg/pdfcpu/model"
attachment2 "gitlab.com/romalor/pdflib/pkg/components/attachment"
"gitlab.com/romalor/pdflib/pkg/pdf"
)
func ExtractFromPdf(inputFilePath string, outputFilePath string) error {
@@ -35,43 +34,24 @@ func ExtractFromPdf(inputFilePath string, outputFilePath string) error {
}
defer inputFile.Close()
var (
attachments []model.Attachment
rawData []byte
ctx *model.Context
attachment *model.Attachment
)
var attachments []attachment2.Attachment
ctx, err = api.ReadContextFile(inputFilePath)
if err != nil {
return err
}
attachments, err = api.Attachments(inputFile, model.NewDefaultConfiguration())
var doc *pdf.Document
doc, err = pdf.OpenReader(inputFile)
if err != nil {
return err
}
attachment, err = ctx.ExtractAttachment(attachments[0])
attachments, err = doc.Attachments()
if err != nil {
return err
}
rawData, err = io.ReadAll(attachment)
if err != nil {
return err
if len(attachments) == 0 {
return errors.New("no attachments found")
}
var outputFile *os.File
outputFile, err = os.Create(outputFilePath)
if err != nil {
return err
}
defer outputFile.Close()
err = doc.ExtractAttachment(attachments[0].Name, outputFilePath)
_, err = outputFile.Write(rawData)
if err != nil {
return err
}
return nil
}
main
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main.exe
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main.go
+15 -2
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@@ -4,8 +4,9 @@ import (
"log"
"os"
"github.com/urfave/cli/v2"
"pdf/lib"
"github.com/urfave/cli/v2"
)
func main() {
@@ -57,16 +58,28 @@ func main() {
Usage: "Debug flag",
Aliases: []string{"d"},
},
&cli.StringFlag{
Name: "description",
Usage: "Description for the embedded xml file",
Required: false,
},
&cli.StringFlag{
Name: "embedded-name",
Usage: "Name of the xml file inside the pdf",
Required: false,
},
},
Action: func(context *cli.Context) error {
inputPdfFilePath := context.Args().Get(0)
inputXmlFilePath := context.String("xml-input")
outputFilePath := context.String("out")
description := context.String("description")
embedName := context.String("embedded-name")
debug := context.Bool("debug")
lib.EnableDebug(debug)
lib.AppendToPdf(inputPdfFilePath, inputXmlFilePath, outputFilePath)
lib.AppendToPdf(inputPdfFilePath, inputXmlFilePath, outputFilePath, embedName, description)
return nil
},
test.pdf
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