Files
probo/pkg/agent/guardrail/sensitive_data.go
Sacha Al Himdani 4c57d201a4 Make license declarations consistently MIT
The source headers, LICENSE files, and license metadata had drifted
apart. Align the entire project to MIT:

- Convert every source-file header to the MIT text across all comment
  styles (Go, TS, TSX, JS, MJS, SQL, CSS, GraphQL, shell), including
  SPDX-License-Identifier tags
- Set the root and cookie-banner LICENSE files to the MIT text with a
  "MIT License" title line
- Switch the package.json license fields, Docker image label, and
  cookie-banner README to MIT
- Update docs and the genmodels header generator accordingly
- Normalize copyright lines to a single format
  (Copyright (c) <year(s)> Probo Inc <hello@probo.com>.): unify the
  hello@getprobo.com and hello@probo.inc emails to hello@probo.com and
  the comma-separated years to a hyphenated range

Genuine third-party references are intentionally left untouched: the
Lucide icon attributions (Lucide is ISC) and the trivy dependency
license allowlist.

Signed-off-by: Sacha Al Himdani <sacha@probo.com>
2026-07-13 16:21:14 +02:00

118 lines
2.7 KiB
Go

// Copyright (c) 2026 Probo Inc <hello@probo.com>.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package guardrail
import (
"context"
"strings"
"go.probo.inc/probo/pkg/agent"
"go.probo.inc/probo/pkg/llm"
)
type SensitiveDataGuardrail struct{}
func NewSensitiveDataGuardrail() *SensitiveDataGuardrail {
return &SensitiveDataGuardrail{}
}
func (g *SensitiveDataGuardrail) Name() string {
return "sensitive-data"
}
func (g *SensitiveDataGuardrail) Check(_ context.Context, message llm.Message) (*agent.GuardrailResult, error) {
text := strings.ToLower(message.Text())
sensitivePatterns := []string{
// Slack tokens
"xoxb-",
"xoxp-",
"xoxa-",
"xoxs-",
"xapp-",
// GitHub tokens
"ghp_",
"gho_",
"ghu_",
"ghs_",
"ghr_",
// Cloud provider keys
"akia", // AWS access key ID
// Payment provider keys
"sk_live_",
"sk_test_",
// LLM provider keys
"sk-proj-", // OpenAI
"sk-ant-", // Anthropic
// JWT tokens
"eyj", // base64-encoded JSON header
// Authorization headers
"bearer ",
"basic ",
// PEM / certificates
"-----begin",
// Connection strings
"postgres://",
"postgresql://",
"mongodb://",
"mysql://",
"redis://",
"amqp://",
// Generic secret field names
"encryption_key",
"signing_secret",
"secret_key",
"private_key",
"client_secret",
"access_token",
"api_key",
"apikey",
"password",
// Raw SQL
"select ",
"insert into",
"update ",
"delete from",
"drop table",
}
for _, pattern := range sensitivePatterns {
if strings.Contains(text, pattern) {
return &agent.GuardrailResult{
Tripwire: true,
Message: "response contains potentially sensitive data",
}, nil
}
}
return &agent.GuardrailResult{Tripwire: false}, nil
}