- Implement TNEF extraction and recursive parsing in new `tnef_reader.go` and associated tests. - Create tests for TNEF extraction scenarios in `tnef_diag_test.go`, `tnef_diag7_test.go`, and `tnef_diag8_test.go`.
68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
package internal
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import (
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"bytes"
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"fmt"
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"io"
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"os"
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"strings"
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"testing"
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"github.com/teamwork/tnef"
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)
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func TestTNEFAllSizes(t *testing.T) {
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testFile := `H:\Dev\Gits\EMLy\EML_TNEF.eml`
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if _, err := os.Stat(testFile); os.IsNotExist(err) {
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t.Skip("test EML file not present")
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}
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f, _ := os.Open(testFile)
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defer f.Close()
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outerEmail, _ := Parse(f)
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var innerData []byte
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for _, att := range outerEmail.Attachments {
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if strings.Contains(strings.ToLower(att.Filename), "postacert.eml") {
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innerData, _ = io.ReadAll(att.Data)
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break
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}
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}
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innerEmail, _ := Parse(bytes.NewReader(innerData))
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for _, att := range innerEmail.Attachments {
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data, _ := io.ReadAll(att.Data)
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if strings.ToLower(att.Filename) != "winmail.dat" {
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continue
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}
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decoded, _ := tnef.Decode(data)
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totalAttrSize := 0
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for _, attr := range decoded.Attributes {
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totalAttrSize += len(attr.Data)
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fmt.Printf(" Attr 0x%04X: %d bytes\n", attr.Name, len(attr.Data))
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}
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totalAttSize := 0
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for _, ta := range decoded.Attachments {
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totalAttSize += len(ta.Data)
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}
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fmt.Printf("\nTotal TNEF data: %d bytes\n", len(data))
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fmt.Printf("Total attribute data: %d bytes\n", totalAttrSize)
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fmt.Printf("Total attachment data: %d bytes\n", totalAttSize)
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fmt.Printf("Accounted: %d bytes\n", totalAttrSize+totalAttSize)
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fmt.Printf("Missing: %d bytes\n", len(data)-totalAttrSize-totalAttSize)
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// Try raw decode to check for nested message/attachment objects
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fmt.Printf("\nBody: %d, BodyHTML: %d\n", len(decoded.Body), len(decoded.BodyHTML))
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// Check attachment[0] content
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if len(decoded.Attachments) > 0 {
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a0 := decoded.Attachments[0]
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fmt.Printf("\nAttachment[0] Title=%q Data (hex): %x\n", a0.Title, a0.Data)
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}
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}
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}
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