72 lines
1.5 KiB
Go
72 lines
1.5 KiB
Go
package models
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import (
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"crypto/rsa"
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"crypto/x509"
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"encoding/pem"
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"fmt"
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"io/ioutil"
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"os"
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"github.com/go-redis/redis"
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)
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func ReadPublicKeyRSAfromString(pemString string) (*rsa.PublicKey, error) {
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pemByte := []byte(pemString)
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decoded, _ := pem.Decode(pemByte)
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defer func() {
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recover()
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}()
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keyInterface, err := x509.ParsePKIXPublicKey(decoded.Bytes)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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return nil, err
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}
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pub := keyInterface.(*rsa.PublicKey)
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return pub, nil
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}
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func redisHGetOrCreateWithDefault(redisClient *redis.Client, key string, field string, defaultValue string) (string, error) {
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keyExist, err := redisClient.HExists(key, field).Result()
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if err != nil {
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return "", err
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}
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if keyExist {
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value, err := redisClient.HGet(key, field).Result()
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if err != nil {
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return "", err
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}
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return value, nil
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} else {
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_, err := redisClient.HSet(key, field, defaultValue).Result()
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if err != nil {
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return "", err
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}
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return defaultValue, nil
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}
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}
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func readPrivateKeyRSA(keyPath string) (*rsa.PrivateKey, error) {
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file, err := ioutil.ReadFile(keyPath)
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if err != nil {
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return nil, err
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}
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decoded, _ := pem.Decode(file)
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privateKey, err := x509.ParsePKCS1PrivateKey(decoded.Bytes)
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if err != nil {
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return nil, err
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}
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return privateKey, nil
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}
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func generatePublicKeyPEMString(publicKey *rsa.PublicKey) string {
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publicKeyByte := x509.MarshalPKCS1PublicKey(publicKey)
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publicKeyPem := pem.EncodeToMemory(
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&pem.Block{
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Type: "RSA PUBLIC KEY",
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Bytes: publicKeyByte,
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},
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)
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return string(publicKeyPem)
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}
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