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don't log some plaintext secret info

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This commit is contained in:
Nathan Coad
2023-04-03 12:05:53 +10:00
parent 81d67088f3
commit b00c6fd36d
2 changed files with 16 additions and 16 deletions
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8
main.go
View File

@@ -8,7 +8,6 @@ import (
"context"
"crypto/tls"
"fmt"
"io"
"log"
"net/http"
"os"
@@ -51,7 +50,12 @@ func main() {
// Global middleware
// Logger middleware will write the logs to gin.DefaultWriter even if you set with GIN_MODE=release.
// By default gin.DefaultWriter = os.Stdout
gin.DefaultWriter = io.MultiWriter(logfileWriter, os.Stdout)
// log to file only
gin.DefaultWriter = logfileWriter
// log to file and stdout
//gin.DefaultWriter = io.MultiWriter(logfileWriter, os.Stdout)
router.Use(gin.Logger())
// Recovery middleware recovers from any panics and writes a 500 if there was one.

24
models/secret.go
View File

@@ -125,10 +125,9 @@ func (s *Secret) EncryptSecret() (*Secret, error) {
// The key argument should be the AES key, either 16 or 32 bytes
// to select AES-128 or AES-256.
key := []byte(keyString)
//key := []byte("ECB518652A170880555136EA1F9752D6")
plaintext := []byte(s.Secret)
log.Printf("EncryptSecret applying key '%v' of length '%d' to plaintext secret '%s'\n", key, len(key), s.Secret)
//log.Printf("EncryptSecret applying key '%v' of length '%d' to plaintext secret '%s'\n", key, len(key), s.Secret)
block, err := aes.NewCipher(key)
if err != nil {
@@ -142,7 +141,7 @@ func (s *Secret) EncryptSecret() (*Secret, error) {
log.Printf("EncryptSecret nonce generation error '%s'\n", err)
return s, err
}
log.Printf("EncryptSecret random nonce value is '%x'\n", nonce)
//log.Printf("EncryptSecret random nonce value is '%x'\n", nonce)
aesgcm, err := cipher.NewGCM(block)
if err != nil {
@@ -151,12 +150,12 @@ func (s *Secret) EncryptSecret() (*Secret, error) {
}
ciphertext := aesgcm.Seal(nil, nonce, plaintext, nil)
log.Printf("EncryptSecret generated ciphertext '%x''\n", ciphertext)
//log.Printf("EncryptSecret generated ciphertext '%x''\n", ciphertext)
// Create a new slice to store nonce at the start and then the resulting ciphertext
// Nonce is always 12 bytes
combinedText := append(nonce, ciphertext...)
log.Printf("EncryptSecret combined secret value is now '%x'\n", combinedText)
//log.Printf("EncryptSecret combined secret value is now '%x'\n", combinedText)
// Store the value back into the struct ready for database operations
s.Secret = hex.EncodeToString(combinedText)
@@ -167,12 +166,10 @@ func (s *Secret) EncryptSecret() (*Secret, error) {
}
func (s *Secret) DecryptSecret() (*Secret, error) {
keyString := os.Getenv("SECRETS_KEY")
key := []byte(keyString)
// The key argument should be the AES key, either 16 or 32 bytes
// to select AES-128 or AES-256.
//key := []byte("ECB518652A170880555136EA1F9752D6")
keyString := os.Getenv("SECRETS_KEY")
key := []byte(keyString)
if len(s.Secret) < nonceSize {
log.Printf("DecryptSecret ciphertext is too short to decrypt\n")
@@ -181,18 +178,17 @@ func (s *Secret) DecryptSecret() (*Secret, error) {
crypted, err := hex.DecodeString(s.Secret)
if err != nil {
log.Printf("DecryptSecret unable to convert hex encoded string due to error '%s'\n", err)
log.Printf("DecryptSecret unable to convert hex encoded string due to error '%s'\n", err)
return s, err
}
log.Printf("DecryptSecret processing secret '%x'\n", crypted)
//log.Printf("DecryptSecret processing secret '%x'\n", crypted)
//nonce, _ := hex.DecodeString("64a9433eae7ccceee2fc0eda")
// The nonce is the first 12 bytes from the ciphertext
nonce := crypted[:nonceSize]
ciphertext := crypted[nonceSize:]
log.Printf("DecryptSecret applying key '%v' and nonce '%x' to ciphertext '%x'\n", key, nonce, ciphertext)
//log.Printf("DecryptSecret applying key '%v' and nonce '%x' to ciphertext '%x'\n", key, nonce, ciphertext)
block, err := aes.NewCipher(key)
if err != nil {
@@ -212,7 +208,7 @@ func (s *Secret) DecryptSecret() (*Secret, error) {
return s, err
}
log.Printf("DecryptSecret plaintext is '%s'\n", plaintext)
//log.Printf("DecryptSecret plaintext is '%s'\n", plaintext)
s.Secret = string(plaintext)
return s, nil