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// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
package parser2v3
import (
"fmt"
"strings"
"github.com/spdx/tools-golang/spdx/common"
"github.com/spdx/tools-golang/spdx/v2_3"
)
func (parser *tvParser2_3) parsePairFromPackage2_3(tag string, value string) error {
// expire pkgExtRef for anything other than a comment
// (we'll actually handle the comment further below)
if tag != "ExternalRefComment" {
parser.pkgExtRef = nil
}
switch tag {
case "PackageName":
// if package already has a name, create and go on to a new package
if parser.pkg == nil || parser.pkg.PackageName != "" {
// check if the previous package contained an spdx Id or not
if parser.pkg != nil && parser.pkg.PackageSPDXIdentifier == nullSpdxElementId2_3 {
return fmt.Errorf("package with PackageName %s does not have SPDX identifier", parser.pkg.PackageName)
}
parser.pkg = &v2_3.Package{
FilesAnalyzed: true,
IsFilesAnalyzedTagPresent: false,
}
}
parser.pkg.PackageName = value
// tag for going on to file section
case "FileName":
parser.st = psFile2_3
return parser.parsePairFromFile2_3(tag, value)
// tag for going on to other license section
case "LicenseID":
parser.st = psOtherLicense2_3
return parser.parsePairFromOtherLicense2_3(tag, value)
case "SPDXID":
eID, err := extractElementID(value)
if err != nil {
return err
}
parser.pkg.PackageSPDXIdentifier = eID
if parser.doc.Packages == nil {
parser.doc.Packages = []*v2_3.Package{}
}
parser.doc.Packages = append(parser.doc.Packages, parser.pkg)
case "PackageVersion":
parser.pkg.PackageVersion = value
case "PackageFileName":
parser.pkg.PackageFileName = value
case "PackageSupplier":
supplier := &common.Supplier{Supplier: value}
if value == "NOASSERTION" {
parser.pkg.PackageSupplier = supplier
break
}
subkey, subvalue, err := extractSubs(value)
if err != nil {
return err
}
switch subkey {
case "Person", "Organization":
supplier.Supplier = subvalue
supplier.SupplierType = subkey
default:
return fmt.Errorf("unrecognized PackageSupplier type %v", subkey)
}
parser.pkg.PackageSupplier = supplier
case "PackageOriginator":
originator := &common.Originator{Originator: value}
if value == "NOASSERTION" {
parser.pkg.PackageOriginator = originator
break
}
subkey, subvalue, err := extractSubs(value)
if err != nil {
return err
}
switch subkey {
case "Person", "Organization":
originator.Originator = subvalue
originator.OriginatorType = subkey
default:
return fmt.Errorf("unrecognized PackageOriginator type %v", subkey)
}
parser.pkg.PackageOriginator = originator
case "PackageDownloadLocation":
parser.pkg.PackageDownloadLocation = value
case "FilesAnalyzed":
parser.pkg.IsFilesAnalyzedTagPresent = true
if value == "false" {
parser.pkg.FilesAnalyzed = false
} else if value == "true" {
parser.pkg.FilesAnalyzed = true
}
case "PackageVerificationCode":
parser.pkg.PackageVerificationCode = extractCodeAndExcludes(value)
case "PackageChecksum":
subkey, subvalue, err := extractSubs(value)
if err != nil {
return err
}
if parser.pkg.PackageChecksums == nil {
parser.pkg.PackageChecksums = []common.Checksum{}
}
switch common.ChecksumAlgorithm(subkey) {
case common.SHA1, common.SHA256, common.MD5:
algorithm := common.ChecksumAlgorithm(subkey)
parser.pkg.PackageChecksums = append(parser.pkg.PackageChecksums, common.Checksum{Algorithm: algorithm, Value: subvalue})
default:
return fmt.Errorf("got unknown checksum type %s", subkey)
}
case "PackageHomePage":
parser.pkg.PackageHomePage = value
case "PackageSourceInfo":
parser.pkg.PackageSourceInfo = value
case "PackageLicenseConcluded":
parser.pkg.PackageLicenseConcluded = value
case "PackageLicenseInfoFromFiles":
parser.pkg.PackageLicenseInfoFromFiles = append(parser.pkg.PackageLicenseInfoFromFiles, value)
case "PackageLicenseDeclared":
parser.pkg.PackageLicenseDeclared = value
case "PackageLicenseComments":
parser.pkg.PackageLicenseComments = value
case "PackageCopyrightText":
parser.pkg.PackageCopyrightText = value
case "PackageSummary":
parser.pkg.PackageSummary = value
case "PackageDescription":
parser.pkg.PackageDescription = value
case "PackageComment":
parser.pkg.PackageComment = value
case "PrimaryPackagePurpose":
parser.pkg.PrimaryPackagePurpose = value
case "ReleaseDate":
parser.pkg.ReleaseDate = value
case "BuiltDate":
parser.pkg.BuiltDate = value
case "ValidUntilDate":
parser.pkg.ValidUntilDate = value
case "PackageAttributionText":
parser.pkg.PackageAttributionTexts = append(parser.pkg.PackageAttributionTexts, value)
case "ExternalRef":
parser.pkgExtRef = &v2_3.PackageExternalReference{}
parser.pkg.PackageExternalReferences = append(parser.pkg.PackageExternalReferences, parser.pkgExtRef)
category, refType, locator, err := extractPackageExternalReference(value)
if err != nil {
return err
}
parser.pkgExtRef.Category = category
parser.pkgExtRef.RefType = refType
parser.pkgExtRef.Locator = locator
case "ExternalRefComment":
if parser.pkgExtRef == nil {
return fmt.Errorf("no current ExternalRef found")
}
parser.pkgExtRef.ExternalRefComment = value
// now, expire pkgExtRef anyway because it can have at most one comment
parser.pkgExtRef = nil
// for relationship tags, pass along but don't change state
case "Relationship":
parser.rln = &v2_3.Relationship{}
parser.doc.Relationships = append(parser.doc.Relationships, parser.rln)
return parser.parsePairForRelationship2_3(tag, value)
case "RelationshipComment":
return parser.parsePairForRelationship2_3(tag, value)
// for annotation tags, pass along but don't change state
case "Annotator":
parser.ann = &v2_3.Annotation{}
parser.doc.Annotations = append(parser.doc.Annotations, parser.ann)
return parser.parsePairForAnnotation2_3(tag, value)
case "AnnotationDate":
return parser.parsePairForAnnotation2_3(tag, value)
case "AnnotationType":
return parser.parsePairForAnnotation2_3(tag, value)
case "SPDXREF":
return parser.parsePairForAnnotation2_3(tag, value)
case "AnnotationComment":
return parser.parsePairForAnnotation2_3(tag, value)
// tag for going on to review section (DEPRECATED)
case "Reviewer":
parser.st = psReview2_3
return parser.parsePairFromReview2_3(tag, value)
default:
return fmt.Errorf("received unknown tag %v in Package section", tag)
}
return nil
}
// ===== Helper functions =====
func extractCodeAndExcludes(value string) *common.PackageVerificationCode {
// FIXME this should probably be done using regular expressions instead
// split by paren + word "excludes:"
sp := strings.SplitN(value, "(excludes:", 2)
if len(sp) < 2 {
// not found; return the whole string as just the code
return &common.PackageVerificationCode{Value: value, ExcludedFiles: []string{}}
}
// if we're here, code is in first part and excludes filename is in
// second part, with trailing paren
code := strings.TrimSpace(sp[0])
parsedSp := strings.SplitN(sp[1], ")", 2)
fileName := strings.TrimSpace(parsedSp[0])
return &common.PackageVerificationCode{Value: code, ExcludedFiles: []string{fileName}}
}
func extractPackageExternalReference(value string) (string, string, string, error) {
sp := strings.Split(value, " ")
// remove any that are just whitespace
keepSp := []string{}
for _, s := range sp {
ss := strings.TrimSpace(s)
if ss != "" {
keepSp = append(keepSp, ss)
}
}
// now, should have 3 items and should be able to map them
if len(keepSp) != 3 {
return "", "", "", fmt.Errorf("expected 3 elements, got %d", len(keepSp))
}
return keepSp[0], keepSp[1], keepSp[2], nil
}
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