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* Handle certification of brand new plugin. * dos2unix, defer to ensure file closure. * Defer to ensure file closure. * Bump version. * Certify generates sha256 directly now. * Add more verbose logging. * Adding null check * Update to work around file handle leak. --------- Co-authored-by: Karnveer Gill <karnveer_gill@trimble.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,147 +1,147 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "crypto/rand" | ||
| "crypto/rsa" | ||
| "crypto/x509" | ||
| "crypto/x509/pkix" | ||
| "encoding/pem" | ||
| "errors" | ||
| "fmt" | ||
| "math/big" | ||
| "net" | ||
| "os" | ||
| "time" | ||
| ) | ||
|
|
||
| //CertPath is the path to the cert file directory | ||
| const CertPath = "./certs/cert_files/" | ||
|
|
||
| //GenerateCerts generates a root cert, a root key, a child cert, and a child key. It then validates the root cert and returns the http client | ||
| func main() { | ||
| //generate private key and write to .pem file | ||
| privateKey, err := CreatePrivateKey("root_key.pem") | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| //get public key | ||
| publicKey := privateKey.Public() | ||
|
|
||
| //create cert template | ||
| rootCertTmpl, err := CertTemplate() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| rootCertTmpl.IsCA = true | ||
| rootCertTmpl.KeyUsage = x509.KeyUsageCertSign | x509.KeyUsageDigitalSignature | ||
| rootCertTmpl.ExtKeyUsage = []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth} | ||
| rootCertTmpl.IPAddresses = []net.IP{net.ParseIP("127.0.0.1")} | ||
|
|
||
| //create cert and write to .pem file | ||
| rootCert, err := CreateCert(rootCertTmpl, rootCertTmpl, publicKey, privateKey, "root_cert.pem") | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| servPrivateKey, err := CreatePrivateKey("serv_key.pem") | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| //get public key | ||
| servPublicKey := servPrivateKey.Public() | ||
|
|
||
| servCertTmpl, err := CertTemplate() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| servCertTmpl.KeyUsage = x509.KeyUsageDigitalSignature | ||
| servCertTmpl.ExtKeyUsage = []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth} | ||
| servCertTmpl.IPAddresses = []net.IP{net.ParseIP("127.0.0.1")} | ||
|
|
||
| //create cert and write to .pem file | ||
| _, err = CreateCert(servCertTmpl, rootCert, servPublicKey, privateKey, "serv_cert.pem") | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| } | ||
|
|
||
| //CertTemplate generates a random serial number | ||
| func CertTemplate() (*x509.Certificate, error) { | ||
| // generate a random serial number (a real cert authority would have some logic behind this) | ||
| serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128) | ||
| serialNumber, err := rand.Int(rand.Reader, serialNumberLimit) | ||
| if err != nil { | ||
| return nil, errors.New("failed to generate serial number: " + err.Error()) | ||
| } | ||
|
|
||
| tmpl := x509.Certificate{ | ||
| SerialNumber: serialNumber, | ||
| Subject: pkix.Name{ | ||
| Organization: []string{"Viewpoint, Inc."}, | ||
| }, | ||
| SignatureAlgorithm: x509.SHA256WithRSA, | ||
| NotBefore: time.Now(), | ||
| NotAfter: time.Now().AddDate(0, 3, 0), // valid for a day | ||
| BasicConstraintsValid: true, | ||
| } | ||
| return &tmpl, nil | ||
| } | ||
|
|
||
| //CreatePrivateKey generates a private key and saves it to a .pem file | ||
| func CreatePrivateKey(fileName string) (privKey *rsa.PrivateKey, err error) { | ||
| privateKey, err := rsa.GenerateKey(rand.Reader, 2048) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| //encode private key | ||
| pemPrivateBlock := &pem.Block{ | ||
| Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(privateKey), | ||
| } | ||
|
|
||
| path := CertPath + fileName | ||
| //create new file for private key | ||
| pemPrivateFile, err := os.Create(path) | ||
| if err != nil { | ||
| return privateKey, err | ||
| } | ||
| //write to file and close it | ||
| err = pem.Encode(pemPrivateFile, pemPrivateBlock) | ||
| if err != nil { | ||
| return privateKey, err | ||
| } | ||
| pemPrivateFile.Close() | ||
| fmt.Println("private key generated and written to", path) | ||
| return privateKey, nil | ||
| } | ||
|
|
||
| //CreateCert creates a cert and saves it to a .pem file | ||
| func CreateCert(template, parent *x509.Certificate, pub interface{}, parentPriv interface{}, fileName string) (cert *x509.Certificate, err error) { | ||
| //cert *x509.Certificate, | ||
| certDER, err := x509.CreateCertificate(rand.Reader, template, parent, pub, parentPriv) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| cert, err = x509.ParseCertificate(certDER) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| pemCertBlock := &pem.Block{Type: "CERTIFICATE", Bytes: certDER} | ||
|
|
||
| path := CertPath + fileName | ||
| //create new file for private key | ||
| pemCertFile, err := os.Create(path) | ||
| if err != nil { | ||
| return cert, err | ||
| } | ||
| //write to file and close it | ||
| err = pem.Encode(pemCertFile, pemCertBlock) | ||
| if err != nil { | ||
| return cert, err | ||
| } | ||
| pemCertFile.Close() | ||
| fmt.Println("certificate generated and written to", path) | ||
| return cert, nil | ||
| } | ||
| package main | ||
|
|
||
| import ( | ||
| "crypto/rand" | ||
| "crypto/rsa" | ||
| "crypto/x509" | ||
| "crypto/x509/pkix" | ||
| "encoding/pem" | ||
| "errors" | ||
| "fmt" | ||
| "math/big" | ||
| "net" | ||
| "os" | ||
| "time" | ||
| ) | ||
|
|
||
| // CertPath is the path to the cert file directory | ||
| const CertPath = "./certs/cert_files/" | ||
|
|
||
| // GenerateCerts generates a root cert, a root key, a child cert, and a child key. It then validates the root cert and returns the http client | ||
| func main() { | ||
| //generate private key and write to .pem file | ||
| privateKey, err := CreatePrivateKey("root_key.pem") | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| //get public key | ||
| publicKey := privateKey.Public() | ||
|
|
||
| //create cert template | ||
| rootCertTmpl, err := CertTemplate() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| rootCertTmpl.IsCA = true | ||
| rootCertTmpl.KeyUsage = x509.KeyUsageCertSign | x509.KeyUsageDigitalSignature | ||
| rootCertTmpl.ExtKeyUsage = []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth} | ||
| rootCertTmpl.IPAddresses = []net.IP{net.ParseIP("127.0.0.1")} | ||
|
|
||
| //create cert and write to .pem file | ||
| rootCert, err := CreateCert(rootCertTmpl, rootCertTmpl, publicKey, privateKey, "root_cert.pem") | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| servPrivateKey, err := CreatePrivateKey("serv_key.pem") | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| //get public key | ||
| servPublicKey := servPrivateKey.Public() | ||
|
|
||
| servCertTmpl, err := CertTemplate() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| servCertTmpl.KeyUsage = x509.KeyUsageDigitalSignature | ||
| servCertTmpl.ExtKeyUsage = []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth} | ||
| servCertTmpl.IPAddresses = []net.IP{net.ParseIP("127.0.0.1")} | ||
|
|
||
| //create cert and write to .pem file | ||
| _, err = CreateCert(servCertTmpl, rootCert, servPublicKey, privateKey, "serv_cert.pem") | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| } | ||
|
|
||
| // CertTemplate generates a random serial number | ||
| func CertTemplate() (*x509.Certificate, error) { | ||
| // generate a random serial number (a real cert authority would have some logic behind this) | ||
| serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128) | ||
| serialNumber, err := rand.Int(rand.Reader, serialNumberLimit) | ||
| if err != nil { | ||
| return nil, errors.New("failed to generate serial number: " + err.Error()) | ||
| } | ||
|
|
||
| tmpl := x509.Certificate{ | ||
| SerialNumber: serialNumber, | ||
| Subject: pkix.Name{ | ||
| Organization: []string{"Viewpoint, Inc."}, | ||
| }, | ||
| SignatureAlgorithm: x509.SHA256WithRSA, | ||
| NotBefore: time.Now(), | ||
| NotAfter: time.Now().AddDate(0, 3, 0), // valid for a day | ||
| BasicConstraintsValid: true, | ||
| } | ||
| return &tmpl, nil | ||
| } | ||
|
|
||
| // CreatePrivateKey generates a private key and saves it to a .pem file | ||
| func CreatePrivateKey(fileName string) (privKey *rsa.PrivateKey, err error) { | ||
| privateKey, err := rsa.GenerateKey(rand.Reader, 2048) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| //encode private key | ||
| pemPrivateBlock := &pem.Block{ | ||
| Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(privateKey), | ||
| } | ||
|
|
||
| path := CertPath + fileName | ||
| //create new file for private key | ||
| pemPrivateFile, err := os.Create(path) | ||
| if err != nil { | ||
| return privateKey, err | ||
| } | ||
| defer pemPrivateFile.Close() | ||
| //write to file and close it | ||
| err = pem.Encode(pemPrivateFile, pemPrivateBlock) | ||
| if err != nil { | ||
| return privateKey, err | ||
| } | ||
| fmt.Println("private key generated and written to", path) | ||
| return privateKey, nil | ||
| } | ||
|
|
||
| // CreateCert creates a cert and saves it to a .pem file | ||
| func CreateCert(template, parent *x509.Certificate, pub interface{}, parentPriv interface{}, fileName string) (cert *x509.Certificate, err error) { | ||
| //cert *x509.Certificate, | ||
| certDER, err := x509.CreateCertificate(rand.Reader, template, parent, pub, parentPriv) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| cert, err = x509.ParseCertificate(certDER) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| pemCertBlock := &pem.Block{Type: "CERTIFICATE", Bytes: certDER} | ||
|
|
||
| path := CertPath + fileName | ||
| //create new file for private key | ||
| pemCertFile, err := os.Create(path) | ||
| if err != nil { | ||
| return cert, err | ||
| } | ||
| defer pemCertFile.Close() | ||
| //write to file and close it | ||
| err = pem.Encode(pemCertFile, pemCertBlock) | ||
| if err != nil { | ||
| return cert, err | ||
| } | ||
| fmt.Println("certificate generated and written to", path) | ||
| return cert, nil | ||
| } |
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