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memorySecretsManager.go
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memorySecretsManager.go
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package secrets
import (
"context"
"encoding/json"
"errors"
"fmt"
"os"
"regexp"
"github.com/juicebox-systems/juicebox-software-realm/otel"
"github.com/juicebox-systems/juicebox-software-realm/types"
)
type MemorySecretsManager struct {
secrets map[string]map[uint64][]byte
}
func NewMemorySecretsManager(ctx context.Context) (*MemorySecretsManager, error) {
return NewMemorySecretsManagerWithPrefix(ctx, types.JuiceboxTenantSecretPrefix)
}
func NewMemorySecretsManagerWithPrefix(ctx context.Context, secretPrefix string) (*MemorySecretsManager, error) {
_, span := otel.StartSpan(ctx, "NewMemorySecretsManager")
defer span.End()
secretsJSON := os.Getenv("TENANT_SECRETS")
if secretsJSON == "" {
err := errors.New("unexpectedly missing TENANT_SECRETS")
return nil, otel.RecordOutcome(err, span)
}
var unmarshaledSecrets map[string]map[uint64]string
err := json.Unmarshal([]byte(secretsJSON), &unmarshaledSecrets)
if err != nil {
return nil, otel.RecordOutcome(err, span)
}
secrets := make(map[string]map[uint64][]byte)
regex := regexp.MustCompile("^(test-)?[a-zA-Z0-9]+$")
for tenantName, versionAndSecrets := range unmarshaledSecrets {
if match := regex.MatchString(tenantName); !match {
err := errors.New("tenant names must be alphanumeric")
return nil, otel.RecordOutcome(err, span)
}
prefixedTenantName := secretPrefix + tenantName
for version, secret := range versionAndSecrets {
m, ok := secrets[prefixedTenantName]
if !ok {
m = make(map[uint64][]byte)
}
m[version] = []byte(secret)
secrets[prefixedTenantName] = m
}
}
return &MemorySecretsManager{
secrets: secrets,
}, nil
}
func (sm MemorySecretsManager) GetSecret(ctx context.Context, name string, version uint64) ([]byte, error) {
_, span := otel.StartSpan(ctx, "GetSecret")
defer span.End()
secretVersions, ok := sm.secrets[name]
if !ok {
err := fmt.Errorf("failed to get secret versions %s", name)
return nil, otel.RecordOutcome(err, span)
}
secret, ok := secretVersions[version]
if !ok {
err := fmt.Errorf("failed to get secret %s with version %d", name, version)
return nil, otel.RecordOutcome(err, span)
}
return secret, nil
}