init repo
This commit is contained in:
commit
d06d136601
2
.gitignore
vendored
Normal file
2
.gitignore
vendored
Normal file
@ -0,0 +1,2 @@
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.idea/
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config.ini
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11
config.sample.ini
Normal file
11
config.sample.ini
Normal file
@ -0,0 +1,11 @@
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version = 0.1
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service_name = netire-cryptall
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[ldap]
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host = ldap.exmaple.com
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port = 636
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bind_dn =
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bind_pw =
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search_base = ou=people,dc=user,dc=mc8051,dc=de
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query_filter = (&(mail=%s)(pgpEnabled=True)(objectClass=person))
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key_attribute = pgpKey
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167
gpgit.go
Normal file
167
gpgit.go
Normal file
@ -0,0 +1,167 @@
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package main
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import (
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"bytes"
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"crypto/tls"
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"fmt"
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"golang.org/x/crypto/openpgp"
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"io"
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"io/ioutil"
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"log"
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"os"
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"regexp"
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"strings"
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"github.com/emersion/go-message"
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"github.com/emersion/go-pgpmime"
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"gopkg.in/ini.v1"
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"gopkg.in/ldap.v3"
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)
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var config *ini.File
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func getArmoredKeyRing(recipient *string) (string, error) {
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tlsConfig := &tls.Config{
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InsecureSkipVerify: true,
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}
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l, err := ldap.DialTLS(
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"tcp",
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fmt.Sprintf("%s:%s", config.Section("ldap").Key("host").String(), config.Section("ldap").Key("port").String()),
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tlsConfig)
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if err != nil {
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log.Fatal(err)
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}
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defer l.Close()
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keyAttribute := config.Section("ldap").Key("key_attribute").String()
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searchRequest := ldap.NewSearchRequest(
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config.Section("ldap").Key("search_base").String(),
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ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,
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fmt.Sprintf(config.Section("ldap").Key("query_filter").String(), *recipient),
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[]string{"dn", "uid", keyAttribute}, // A list attributes to retrieve
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nil,
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)
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sr, err := l.Search(searchRequest)
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if err != nil {
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log.Fatal(err)
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}
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if len(sr.Entries) > 1 || len(sr.Entries) == 0 {
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return "", fmt.Errorf("to many or none entries %d", len(sr.Entries))
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}
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entry := sr.Entries[0]
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return entry.GetAttributeValue(keyAttribute), nil
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}
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func isPGPMessage(msg string) (bool, error) {
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matched, err := regexp.MatchString(`-----BEGIN PGP MESSAGE-----[\s\S]+?-----END PGP MESSAGE-----`, msg)
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return matched, err
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}
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func isEncrypted(mail *message.Entity) (bool) {
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t, _, _ := mail.Header.ContentType()
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if strings.ToLower(t) == "multipart/encrypted" {
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return true
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}
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if mail.MultipartReader() == nil {
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if b, err := ioutil.ReadAll(mail.Body); err == nil {
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enc, _ := isPGPMessage(string(b))
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if enc {
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return true
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}
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}
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}
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return false
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}
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func encryptEML(eml string, armoredKeyRing *string) {
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var b bytes.Buffer
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var r, r2 io.Reader
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r = strings.NewReader(eml)
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m, err := message.Read(r)
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if err != nil {
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log.Fatal(err)
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}
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if isEncrypted(m) {
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log.Print(eml)
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os.Exit(0)
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}
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r2 = strings.NewReader(*armoredKeyRing)
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entityList, err := openpgp.ReadArmoredKeyRing(r2)
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if err != nil {
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log.Fatal(err)
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}
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// Create a new PGP/MIME writer
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var ciphertext struct{ *message.Writer }
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cleartext := pgpmime.Encrypt(&ciphertext, nil, entityList, nil, nil)
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// Add the PGP/MIME Content-Type header field to the mail header
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m.Header.Set("Content-Type", cleartext.ContentType())
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m.Header.Set(
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"X-Encrypted-By",
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fmt.Sprintf("%s-v%s", config.Section("").Key("service_name").String(), config.Section("").Key("version").String()))
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// Create a new mail writer with our mail header
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mw, err := message.CreateWriter(&b, m.Header)
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if err != nil {
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log.Fatal(err)
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}
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// Set the PGP/MIME writer output to the mail body
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ciphertext.Writer = mw
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// Close all writers
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if err := cleartext.Close(); err != nil {
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log.Fatal(err)
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}
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if err := mw.Close(); err != nil {
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log.Fatal(err)
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}
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log.Println(b.String())
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}
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func main() {
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cfg, err := ini.Load("config.ini")
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if err != nil {
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fmt.Printf("Fail to read file: %v", err)
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os.Exit(1)
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}
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config = cfg
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argsWithoutProg := os.Args[1:]
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if len(argsWithoutProg) != 1 {
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log.Fatal("No recipient as argument")
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}
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recipient := argsWithoutProg[0]
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fi, err := os.Stdin.Stat()
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if err != nil {
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log.Fatal(err)
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}
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if fi.Size() == 0 {
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log.Fatal("stdin is empty")
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}
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data, err := ioutil.ReadAll(os.Stdin)
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rawEml := string(data)
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armoredKeyRing, err := getArmoredKeyRing(&recipient)
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if err != nil {
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log.Fatal(err)
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}
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encryptEML(rawEml, &armoredKeyRing)
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os.Exit(0)
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}
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40
ldap.schema
Normal file
40
ldap.schema
Normal file
@ -0,0 +1,40 @@
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attributeType ( 1.3.6.1.4.1.3401.8.2.11 NAME 'pgpKey'
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DESC 'pgpKey attribute for PGP'
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.26
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SINGLE-VALUE
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X-ORIGIN 'Pretty Good Privacy (PGP)' )
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attributeType ( 1.3.6.1.4.1.3401.8.2.13 NAME 'pgpEnabled'
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DESC 'pgpDisabled attribute for PGP'
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EQUALITY caseIgnoreMatch
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
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SINGLE-VALUE
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X-ORIGIN 'Pretty Good Privacy (PGP)' )
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attributeType ( 1.3.6.1.4.1.3401.8.2.14 NAME 'pgpKeyID'
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DESC 'pgpKeyID attribute for PGP'
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EQUALITY caseIgnoreMatch
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SUBSTR caseIgnoreSubstringsMatch
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
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SINGLE-VALUE
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X-ORIGIN 'Pretty Good Privacy (PGP)' )
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attributeType ( 1.3.6.1.4.1.3401.8.2.15 NAME 'pgpKeyType'
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DESC 'pgpKeyType attribute for PGP'
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EQUALITY caseIgnoreMatch
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SUBSTR caseIgnoreSubstringsMatch
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
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SINGLE-VALUE
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X-ORIGIN 'Pretty Good Privacy (PGP)' )
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attributeType ( 1.3.6.1.4.1.3401.8.2.17 NAME 'pgpKeyCreateTime'
|
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DESC 'pgpKeyCreateTime attribute for PGP'
|
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EQUALITY caseIgnoreMatch
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ORDERING caseIgnoreOrderingMatch
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SUBSTR caseIgnoreSubstringsMatch
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
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SINGLE-VALUE
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X-ORIGIN 'Pretty Good Privacy (PGP)' )
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objectClass ( 1.3.6.1.4.1.3401.8.2.24 NAME 'pgpKeyInfo'
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DESC 'PGP defined objectclass to maintain information about a PGP key'
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SUP top AUXILIARY
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MUST ( pgpKey )
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MAY ( pgpEnabled $ pgpKeyID $ pgpKeyType $ pgpKeyCreateTime )
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X-ORIGIN 'Pretty Good Privacy (PGP)' )
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82
sample.mail
Normal file
82
sample.mail
Normal file
@ -0,0 +1,82 @@
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Return-Path: <niklas@example.org>
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Delivered-To: nico@example.com
|
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X-Spam-Flag: NO
|
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X-Spam-Score: -2.899
|
||||
X-Spam-Level:
|
||||
MIME-Version: 1.0
|
||||
Date: Sun, 03 Nov 2019 20:34:55 +0000
|
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Content-Type: multipart/alternative;
|
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boundary="--=_RainLoop_447_783840555.1572813295"
|
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From: "=?utf-8?B?U2Now7x0cnVtcGYsIE5pa2xhcw==?=" <niklas@example.org>
|
||||
Message-ID: <7ba96fec1371da1611054b67982dec34@example.org>
|
||||
Subject: Lorem Ipsum
|
||||
To: nico@example.com
|
||||
|
||||
|
||||
----=_RainLoop_447_783840555.1572813295
|
||||
Content-Type: text/plain; charset="utf-8"
|
||||
Content-Transfer-Encoding: quoted-printable
|
||||
|
||||
Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy =
|
||||
eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam =
|
||||
voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet c=
|
||||
lita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit am=
|
||||
et. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam non=
|
||||
umy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed d=
|
||||
iam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. St=
|
||||
et clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor si=
|
||||
t amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam=
|
||||
nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, s=
|
||||
ed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum=
|
||||
. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolo=
|
||||
r sit amet. =0A=0ADuis autem vel eum iriure dolor in hendrerit in vulputa=
|
||||
te velit esse molestie consequat, vel illum dolore eu feugiat nulla facil=
|
||||
isis at vero eros et accumsan et iusto odio dignissim qui blandit praesen=
|
||||
t luptatum zzril delenit augue duis dolore te feugait nulla facilisi. Lor=
|
||||
em ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy n=
|
||||
ibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. =0A=
|
||||
=0AUt wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper s=
|
||||
uscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel =
|
||||
eum iriure dolor in hendrerit in vulputate velit esse molestie consequat,=
|
||||
vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et =
|
||||
iusto odio dignissim qui blandit praesent luptatum zzril delenit augue du=
|
||||
is dolore te feugait nulla facilisi. =0A * Lorem =0A * Ipsum =0A * dolor
|
||||
|
||||
----=_RainLoop_447_783840555.1572813295
|
||||
Content-Type: text/html; charset="utf-8"
|
||||
Content-Transfer-Encoding: quoted-printable
|
||||
|
||||
<!DOCTYPE html><html><head><meta http-equiv=3D"Content-Type" content=3D"t=
|
||||
ext/html; charset=3Dutf-8" /></head><body><div data-html-editor-font-wrap=
|
||||
per=3D"true" style=3D"font-family: arial, sans-serif; font-size: 13px;"> =
|
||||
<br>Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam non=
|
||||
umy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed d=
|
||||
iam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. St=
|
||||
et clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor si=
|
||||
t amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam=
|
||||
nonumy eirmod tempor <em>invidunt ut labore et dolore magna aliquyam era=
|
||||
t, sed diam</em> voluptua. At vero eos et accusam et justo duo dolores et=
|
||||
ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem i=
|
||||
psum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing el=
|
||||
itr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna ali=
|
||||
quyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolore=
|
||||
s et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lor=
|
||||
em ipsum dolor sit amet. <br><br>Duis autem vel eum iriure dolor in hendr=
|
||||
erit in vulputate velit esse molestie consequat, vel illum dolore eu feug=
|
||||
iat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui =
|
||||
blandit praesent luptatum <strong>zzril </strong>delenit <u><em><strong>a=
|
||||
ugue duis dolore te feugait</strong></em></u> nulla facilisi. Lorem ipsum=
|
||||
dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euis=
|
||||
mod tincidunt ut laoreet dolore magna aliquam erat volutpat. <br><br><spa=
|
||||
n style=3D"background-color:#999999;">Ut wisi enim ad minim veniam, quis =
|
||||
nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea=
|
||||
commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulpu=
|
||||
tate velit esse molestie consequat, vel illum dolore eu feugiat nulla fac=
|
||||
ilisis at vero eros et accumsan et iusto odio dignissim qui blandit praes=
|
||||
ent luptatum zzril </span><span style=3D"color:#c0392b;"><strong><span st=
|
||||
yle=3D"background-color:#999999;">delenit augue duis dolore te feugait nu=
|
||||
lla facilisi</span></strong></span><span style=3D"background-color:#99999=
|
||||
9;">. </span><br> <ol> <li>Lorem</li> <li>Ipsum</li> <li>dolor</li> </ol>=
|
||||
<signature></signature> </div></body></html>
|
||||
|
||||
----=_RainLoop_447_783840555.1572813295--
|
||||
41
sample_encrypted.mail
Normal file
41
sample_encrypted.mail
Normal file
@ -0,0 +1,41 @@
|
||||
Return-Path: <niklas@example.org>
|
||||
Delivered-To: nico@example.com
|
||||
X-Spam-Flag: NO
|
||||
X-Spam-Score: -2.899
|
||||
X-Spam-Level:
|
||||
MIME-Version: 1.0
|
||||
Date: Sun, 03 Nov 2019 20:57:20 +0000
|
||||
Content-Type: text/plain; charset="utf-8"
|
||||
Content-Transfer-Encoding: quoted-printable
|
||||
From: "=?utf-8?B?U2Now7x0cnVtcGYsIE5pa2xhcw==?=" <niklas@example.org>
|
||||
Message-ID: <1c3ebfd9ea9ac4c83c9420823d0f1c71@example.org>
|
||||
Subject: Lorem Ipsum Encrypted
|
||||
To: nico@example.com
|
||||
X-Spamd-Bar: /
|
||||
|
||||
-----BEGIN PGP MESSAGE-----=0AVersion: OpenPGP.js v2.6.2=0AComment: https=
|
||||
://openpgpjs.org=0A=0AwcFMA6Ac9Cn7YTymARAAgCXEZ0JUljhiFQPtIAoNIqDR638zhaT=
|
||||
eDvIF4oMM=0AXJp8to55bx5RcKWPjbxKjKj5fVw7dd/02pjUgP/podp/JIpaOcnDjswj01uZ=
|
||||
=0AQ+oKZbNZ7A2PEldu5uZSgBS964YW/01W4Of0XX/9j4gc9j80D18GSuD5APpn=0AOB/PDlr=
|
||||
hQ2ndCZSH0PoZj6dpT/jZn03QYqmQEkrcSO3y9gCY68p9Sefc+2f8=0AcQF3NTPjyuDrJRa2k=
|
||||
5G4Yk34wb24wBmYCZkUIB6bOB4eya/ivmJFGbhDTDlk=0Aozczf6Rw01am0/DLpY96LGtB483=
|
||||
sPie+wdYjFLOeD4CX9kUX9pEUBqwV4sIV=0A/+Xq1cv4CApvfigvP+G7SW1K7UCZv0E4Mxysm=
|
||||
s8D7ZR9iYrMtogQOf8OeloV=0AN2Ut4HZLVJjnpNBBDdKfwFopoNXXl7zlLG4R9CYVli3xUK2=
|
||||
0JRV9CbENvv1V=0Ab7KnxY1rhQ+a50tosgZzK61sFtRwHsyW/JagzdWL46gylhnQLh71+VNdI=
|
||||
aSK=0AvwmtwnKlNc7c7zE6zFWTnZOogzHv4vKKI4h0OTuUXb4hEMS9u9xFkrhVF+LV=0AatG+=
|
||||
3ShvfPtymGysPWvpQb9uXDZdj+9L0rRFR05DvwrhbZWcSqFQligo882Y=0AhLxlh6P9kKr5kt=
|
||||
BninOWHazG2IIHjw54JvDpXBddcp7SwfcByU7wUYJg8yYU=0A650GZWxb6RGhMkLow4dBGIGi=
|
||||
QdOsm4GsXvbyVgxZ9tiWFsFaTVDAsl5Oe3Tn=0A39Js8GTs96VAEx0wNVHr2fSIrpu/Optit+=
|
||||
ZfjkdudaaEXRKGp4QfU47PsHeA=0APnziq6cLxTJcLSGat+HwUeYklWrrKOp1gFC507Wp4C52=
|
||||
SRxg8TGWhLVlOaeB=0A7yRIBhVC9JLWS+gl5wD6YPTg/Ft0vZPQjz7pWS34icSrYYVuFT11zV=
|
||||
CD2W6V=0AqeE9+WLrJkBgqSssx3lNepKsoP938HXhDZh6r608vyllyn6QYxaI/03J21B5=0Ai=
|
||||
0hWs1bXESHKy753EaE/KeKeJ8VMGtoFgScKk5XNNUOlg37s5BrqBt0Dll+/=0AG0oVbroet+I=
|
||||
HMrnuUt7Yc8if2c/4+mY1kBfWPvTgEFmQRVDVDNrywFJPbwVn=0ApaQceuqbh19B9uH1hGVoX=
|
||||
brgCNbNjuwkRAmb8gw9FnT3oWKUZyTctxR9dakk=0AjNuaDZrQE9U63J79LKTXVdYCuaxAdny=
|
||||
aTy3RTcfdAYGYU+8FPhITSn4nMMqz=0Ai3QrJIo2jSrH1FAelKXwyaG57FRX+oWIb3xvJWdSt=
|
||||
WUf41M+jBxXYodTlozz=0AzVuFOtROEts+t7UfkZGixbBVjpL3OeLmMIYvOC4CKGR0egCNAqi=
|
||||
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Y+a=0A-----END PGP MESSAGE-----
|
||||
Loading…
Reference in New Issue
Block a user