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package extractor
import (
"fmt"
"regexp"
)
var (
// ex:
// CVE-2018-1111
// CVE: 2018-1111
// CVE: CVE-2018–14064
// CVE: cve-2018-8002
// CVE: CVE 2018-7719
// CVE : CVE- 2018-7198
// CVE : [CVE-2018- 11034]
// CVE: 2017-13056
// CVE; 2016-0953
// CVE : 2012-3755
// CVE 2012-0550
cveIDRegexp1 = regexp.MustCompile(`(?i)CVE\s?[-–:;]?\s?([0-9]+)[-–]\s?([0-9]+)`)
// ex: CVE Number: 2011-4189
cveIDRegexp2 = regexp.MustCompile(`CVE Number\s*[:;]\s*([0-9]+)[-–]([0-9]+)`)
// ex:
// [ 'CVE', '2009-0184' ]
// ['CVE', '2005-2265']
// [ 'CVE', '2003-0352' ]
// [ 'CVE', '2011-2404 ']
cveIDRegexp3 = regexp.MustCompile(`\[\s*'CVE'\s*,\s*'([0-9]+)[-–]([0-9]+)\s*'\s*\]`)
// ex: ['CVE' => '2008-6825']
cveIDRegexp4 = regexp.MustCompile(`\[\s*'CVE'\s*=>\s*'([0-9]+)[-–]([0-9]+)\s*'\s*\]`)
// ex : CVE : [2014-3443]
cveIDRegexp5 = regexp.MustCompile(`CVE\s*:\s*\[([0-9]+)[-–]([0-9]+)\]`)
)
// ExtractCveID :
func ExtractCveID(file []byte) (cveIDs []string) {
uniqCveID := map[string]struct{}{}
regxps := []*regexp.Regexp{
cveIDRegexp1,
cveIDRegexp2,
cveIDRegexp3,
cveIDRegexp4,
cveIDRegexp5,
}
for _, re := range regxps {
results := re.FindAllSubmatch(file, -1)
for _, matches := range results {
if 2 < len(matches) {
cveID := fmt.Sprintf("CVE-%s-%s", matches[1], matches[2])
uniqCveID[cveID] = struct{}{}
}
}
}
for cveID := range uniqCveID {
cveIDs = append(cveIDs, cveID)
}
return cveIDs
}
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