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c887d6d9d8
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fix(security): remove hardcoded secrets from source
Replace all hardcoded credentials with configuration-injected values:
- SQL Server connection strings -> ${CONNECTION_STRING} env-var placeholders (4 appsettings files)
- SendGrid API keys -> ${SENDGRID_API_KEY} (incl. commented copies in SendMessage.cs)
- JWT signing secret -> ${JWT_SECRET} (3 appsettings files)
- AWS access key pair in UploadFileHp.cs -> DI-injected IAmazonS3 (SDK default credential chain)
- Google Maps API keys in App.razor / Home.razor -> IConfiguration lookup
- Legacy SMTP credentials in SendMessage.cs comments -> placeholders
Add .env.example documenting required environment variables and a
Configuration & Secrets section in BACKEND_ARCHITECTURE.md.
All exposed credentials were rotated 2026-06-05 prior to this scrub.
Source: github-audit-report.md Criticals 1-2 (Agent A4).
Verified: dotnet build 0 errors; secret-pattern grep clean.
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2026-06-05 11:56:54 -04:00 |
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