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Merge pull request #5 from jeff-roche/dragoman
feat: dragoman decryption
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package setters | ||
|
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| import ( | ||
| "fmt" | ||
| "os" | ||
|
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| "github.com/jeff-roche/biome/src/repos" | ||
| ) | ||
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| const DRAGOMAN_ENV_KEY = "from_dragoman" | ||
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| // DragomanEnvironmentSetter will decrypt a secret that has been encrypted with dragoman | ||
| type DragomanEnvironmentSetter struct { | ||
| Encrypted string // The dragoman encrypted string | ||
| EnvKey string // The environment variable to be set | ||
| repo repos.DragomanRepoIfc // The repo that handles decrypting with dragoman | ||
| } | ||
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| // NewDragomanEnvironmentSetter is the builder function for DragomanEnvironmentSetter | ||
| func NewDragomanEnvironmentSetter(key string, val string) (*DragomanEnvironmentSetter, error) { | ||
| dragomanRepo, err := repos.NewDragomanRepo() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| return &DragomanEnvironmentSetter{ | ||
| EnvKey: key, | ||
| Encrypted: val, | ||
| repo: dragomanRepo, | ||
| }, nil | ||
| } | ||
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| func (s DragomanEnvironmentSetter) SetEnv() error { | ||
| dec, err := s.repo.Decrypt(s.Encrypted) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| if s.EnvKey == "" { | ||
| return fmt.Errorf("no environment key specified") | ||
| } | ||
|
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| return os.Setenv(s.EnvKey, dec) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| package repos | ||
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| import "github.com/meltwater/dragoman/cryptography" | ||
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| // The interface for the Secrets Manager Repository | ||
| type DragomanRepoIfc interface { | ||
| Decrypt(string) (string, error) | ||
| } | ||
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| // DragomanRepo handles decryption via dragoman | ||
| type DragomanRepo struct { | ||
| client interface{} | ||
| } | ||
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| // NewDragomanRepo is the builder function for DragomanRepo | ||
| func NewDragomanRepo() (*DragomanRepo, error) { | ||
| return &DragomanRepo{ | ||
| client: nil, | ||
| }, nil | ||
| } | ||
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| func (r DragomanRepo) Decrypt(val string) (string, error) { | ||
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| // Setup the allowed cryptography techniques | ||
| // Currently allow KMS Envelope encryption and Secrets Manager | ||
| strat, err := cryptography.NewWildcardDecryptionStrategy([]cryptography.StrategyBuilder{ | ||
| func() (cryptography.Decryptor, error) { return cryptography.NewKmsCryptoStrategy("") }, | ||
| func() (cryptography.Decryptor, error) { return cryptography.NewSecretsManagerCryptoStrategy("") }, | ||
| }) | ||
|
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| if err != nil { | ||
| return "", err | ||
| } | ||
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| data, err := strat.Decrypt(val) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
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| return string(data), nil | ||
| } |