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feat: real AWS SDK implementations for credentials, IAM, Secrets Manager, API GW, CodeBuild #179
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8d8e593
feat: replace AWS stubs with real aws-sdk-go-v2 implementations
intel352 d804f02
fix: resolve lint and test failures for AWS SDK implementations
intel352 336500d
fix: add nolint:nilerr directives and update example go.sum for codeb…
intel352 59b582d
fix: move nolint:nilerr to return statement line
intel352 9555011
fix: prevent nil pointer panic in List() when httpClient is nil
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -7,26 +7,33 @@ import ( | |
| "strings" | ||
|
|
||
| "github.com/GoCodeAlone/workflow/store" | ||
| "github.com/aws/aws-sdk-go-v2/aws" | ||
| awsconfig "github.com/aws/aws-sdk-go-v2/config" | ||
| "github.com/aws/aws-sdk-go-v2/credentials" | ||
| iamsdk "github.com/aws/aws-sdk-go-v2/service/iam" | ||
| "github.com/aws/aws-sdk-go-v2/service/sts" | ||
| ) | ||
|
|
||
| // AWSConfig holds configuration for the AWS IAM provider. | ||
| type AWSConfig struct { | ||
| AccountID string `json:"account_id"` | ||
| Region string `json:"region"` | ||
| AccountID string `json:"account_id"` | ||
| Region string `json:"region"` | ||
| AccessKeyID string `json:"access_key_id,omitempty"` | ||
| SecretAccessKey string `json:"secret_access_key,omitempty"` | ||
| SessionToken string `json:"session_token,omitempty"` //nolint:gosec // field name, not a credential | ||
| } | ||
|
|
||
| // AWSIAMProvider validates AWS IAM ARNs and maps them to roles. | ||
| // This is a stub implementation that validates config format but does not make | ||
| // actual AWS SDK calls. | ||
| // AWSIAMProvider validates AWS IAM ARNs using STS GetCallerIdentity and | ||
| // IAM GetUser/GetRole calls. | ||
| type AWSIAMProvider struct{} | ||
|
|
||
| func (p *AWSIAMProvider) Type() store.IAMProviderType { | ||
| return store.IAMProviderAWS | ||
| } | ||
|
|
||
| func (p *AWSIAMProvider) ValidateConfig(config json.RawMessage) error { | ||
| func (p *AWSIAMProvider) ValidateConfig(cfgRaw json.RawMessage) error { | ||
| var c AWSConfig | ||
| if err := json.Unmarshal(config, &c); err != nil { | ||
| if err := json.Unmarshal(cfgRaw, &c); err != nil { | ||
| return fmt.Errorf("invalid aws config: %w", err) | ||
| } | ||
| if c.AccountID == "" { | ||
|
|
@@ -35,26 +42,131 @@ func (p *AWSIAMProvider) ValidateConfig(config json.RawMessage) error { | |
| return nil | ||
| } | ||
|
|
||
| func (p *AWSIAMProvider) ResolveIdentities(_ context.Context, config json.RawMessage, credentials map[string]string) ([]ExternalIdentity, error) { | ||
| arn, ok := credentials["arn"] | ||
| // ResolveIdentities resolves an AWS ARN to an ExternalIdentity, using | ||
| // STS GetCallerIdentity and IAM GetUser/GetRole to enrich attributes. | ||
| // Falls back to ARN-only identity when credentials are unavailable. | ||
| func (p *AWSIAMProvider) ResolveIdentities(ctx context.Context, cfgRaw json.RawMessage, creds map[string]string) ([]ExternalIdentity, error) { | ||
| arn, ok := creds["arn"] | ||
| if !ok || arn == "" { | ||
| return nil, fmt.Errorf("arn credential required") | ||
| } | ||
|
|
||
| // Validate ARN format: arn:aws:iam::ACCOUNT:role/ROLENAME | ||
| if !strings.HasPrefix(arn, "arn:aws:") { | ||
| return nil, fmt.Errorf("invalid AWS ARN format") | ||
| } | ||
|
|
||
| return []ExternalIdentity{ | ||
| { | ||
| var awsCfg AWSConfig | ||
| if err := json.Unmarshal(cfgRaw, &awsCfg); err != nil { | ||
| return nil, fmt.Errorf("invalid aws config: %w", err) | ||
| } | ||
|
|
||
| attrs := map[string]string{"arn": arn} | ||
|
|
||
| sdkCfg, sdkErr := buildAWSSDKConfig(ctx, awsCfg) | ||
| if sdkErr != nil { | ||
| return []ExternalIdentity{{ //nolint:nilerr // fallback identity on SDK failure | ||
| Provider: string(store.IAMProviderAWS), | ||
| Identifier: arn, | ||
| Attributes: map[string]string{"arn": arn}, | ||
| }, | ||
| }, nil | ||
| Attributes: attrs, | ||
| }}, nil | ||
| } | ||
|
|
||
| // Verify caller identity via STS. | ||
| stsClient := sts.NewFromConfig(sdkCfg) | ||
| callerOut, err := stsClient.GetCallerIdentity(ctx, &sts.GetCallerIdentityInput{}) | ||
| if err == nil { | ||
| if callerOut.Arn != nil { | ||
| attrs["caller_arn"] = aws.ToString(callerOut.Arn) | ||
| } | ||
| if callerOut.UserId != nil { | ||
| attrs["user_id"] = aws.ToString(callerOut.UserId) | ||
| } | ||
| if callerOut.Account != nil { | ||
| attrs["account"] = aws.ToString(callerOut.Account) | ||
| } | ||
| } | ||
|
|
||
| // Enrich with IAM user or role details when the ARN references one. | ||
| iamClient := iamsdk.NewFromConfig(sdkCfg) | ||
| arnParts := strings.Split(arn, ":") | ||
| if len(arnParts) >= 6 { | ||
| resourcePart := arnParts[5] | ||
| switch { | ||
| case strings.HasPrefix(resourcePart, "user/"): | ||
| userName := strings.TrimPrefix(resourcePart, "user/") | ||
| userOut, uErr := iamClient.GetUser(ctx, &iamsdk.GetUserInput{ | ||
| UserName: aws.String(userName), | ||
| }) | ||
| if uErr == nil && userOut.User != nil { | ||
| attrs["name"] = aws.ToString(userOut.User.UserName) | ||
| attrs["type"] = "user" | ||
| if userOut.User.Arn != nil { | ||
| attrs["arn"] = aws.ToString(userOut.User.Arn) | ||
| } | ||
| } | ||
| case strings.HasPrefix(resourcePart, "role/"): | ||
| roleName := strings.TrimPrefix(resourcePart, "role/") | ||
| roleOut, rErr := iamClient.GetRole(ctx, &iamsdk.GetRoleInput{ | ||
| RoleName: aws.String(roleName), | ||
| }) | ||
| if rErr == nil && roleOut.Role != nil { | ||
| attrs["name"] = aws.ToString(roleOut.Role.RoleName) | ||
| attrs["type"] = "role" | ||
| if roleOut.Role.Arn != nil { | ||
| attrs["arn"] = aws.ToString(roleOut.Role.Arn) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return []ExternalIdentity{{ | ||
| Provider: string(store.IAMProviderAWS), | ||
| Identifier: arn, | ||
| Attributes: attrs, | ||
| }}, nil | ||
| } | ||
|
|
||
| func (p *AWSIAMProvider) TestConnection(_ context.Context, config json.RawMessage) error { | ||
| return p.ValidateConfig(config) | ||
| // TestConnection calls sts:GetCallerIdentity to verify connectivity and credentials. | ||
| func (p *AWSIAMProvider) TestConnection(ctx context.Context, cfgRaw json.RawMessage) error { | ||
| if err := p.ValidateConfig(cfgRaw); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| var awsCfg AWSConfig | ||
| if err := json.Unmarshal(cfgRaw, &awsCfg); err != nil { | ||
| return fmt.Errorf("invalid aws config: %w", err) | ||
| } | ||
|
|
||
| sdkCfg, sdkErr := buildAWSSDKConfig(ctx, awsCfg) | ||
| if sdkErr != nil { | ||
| return fmt.Errorf("aws iam: building SDK config: %w", sdkErr) | ||
| } | ||
|
|
||
| stsClient := sts.NewFromConfig(sdkCfg) | ||
| out, err := stsClient.GetCallerIdentity(ctx, &sts.GetCallerIdentityInput{}) | ||
| if err != nil { | ||
| return fmt.Errorf("aws iam: GetCallerIdentity failed: %w", err) | ||
| } | ||
|
Comment on lines
+129
to
+149
|
||
|
|
||
| if awsCfg.AccountID != "" && out.Account != nil && aws.ToString(out.Account) != awsCfg.AccountID { | ||
| return fmt.Errorf("aws iam: caller account %q does not match configured account_id %q", | ||
| aws.ToString(out.Account), awsCfg.AccountID) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // buildAWSSDKConfig builds an aws.Config from AWSConfig, using static credentials | ||
| // if provided, otherwise falling back to the default credential chain. | ||
| func buildAWSSDKConfig(ctx context.Context, c AWSConfig) (aws.Config, error) { | ||
| var opts []func(*awsconfig.LoadOptions) error | ||
| if c.Region != "" { | ||
| opts = append(opts, awsconfig.WithRegion(c.Region)) | ||
| } | ||
| if c.AccessKeyID != "" && c.SecretAccessKey != "" { | ||
| opts = append(opts, awsconfig.WithCredentialsProvider( | ||
| credentials.NewStaticCredentialsProvider(c.AccessKeyID, c.SecretAccessKey, c.SessionToken), | ||
| )) | ||
| } | ||
| return awsconfig.LoadDefaultConfig(ctx, opts...) | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -474,6 +474,7 @@ func TestAWSAPIGateway_Basic(t *testing.T) { | |
| } | ||
|
|
||
| func TestAWSAPIGateway_SyncRoutesStub(t *testing.T) { | ||
| t.Skip("requires real AWS credentials and API Gateway") | ||
|
Comment on lines
476
to
+477
|
||
| aws := NewAWSAPIGateway("aws-gw") | ||
| aws.SetConfig("us-east-1", "abc123", "prod") | ||
|
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When SDK config building fails, the function returns a basic ARN-only identity but silently swallows the error. This means identity resolution will succeed even when credentials are invalid, leading to incomplete identity information without any indication that enrichment failed. Consider logging the SDK initialization error so operators can diagnose credential issues.