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feat(auth): add ADFS SSO authorization provider
Add ADFS (Active Directory Federation Services) as a new SSO provider, enabling enterprise SSO login for organizations using on-prem or federated ADFS deployments. Core changes: - ADFS provider config (sso_adfs_*), bootstrap, and ID token-based user info extraction (ADFS doesn't support GET on userinfo endpoint) - UPN normalization for DOMAIN\user, plain username, and email formats - OAuth error callback handling with RFC 6749 error code mapping - Email validation in admin privilege evaluation to prevent bypass - Auto-disable feature flag for unconfigured SSO providers - ADFS tutorial documentation and comprehensive test coverage Co-authored-by: Santhana Krishnan <a.santhana.k@gmail.com> Closes #3532 Signed-off-by: Mihai Criveti <crivetimihai@gmail.com>
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‎.env.example‎

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# SSO_ENTRA_CLIENT_SECRET=your-entra-client-secret-value
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# SSO_ENTRA_TENANT_ID=your-entra-tenant-id
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# ADFS Configuration
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# SSO_ADFS_ENABLED=false
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# SSO_ADFS_DISPLAY_NAME=your-value
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# SSO_ADFS_CLIENT_ID=your-adfs-client-id
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# SSO_ADFS_CLIENT_SECRET=your-adfs-client-secret # pragma: allowlist secret
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# SSO_ADFS_AUTHORIZATION_URL=https://adfs.ds.example.net/adfs/oauth2/authorize
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# SSO_ADFS_TOKEN_URL=https://adfs.ds.example.net/adfs/oauth2/token
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# SSO_ADFS_ISSUER=https://adfs.ds.example.net/adfs
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# SSO_ADFS_SCOPE=openid profile email
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# Fallback: Default email domain for ADFS when UPN is plain username (e.g., converts 'user123' to 'user123@company.com')
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# SSO_ADFS_DEFAULT_EMAIL_DOMAIN=company.com
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# ─────────────────────────────────────────────────────────────────────────────
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# EntraID Role Mapping Configuration
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# ─────────────────────────────────────────────────────────────────────────────
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# Keep local admin authentication when SSO is enabled
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# SSO_PRESERVE_ADMIN_AUTH=true
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# Bootstrap Behavior: Auto-disable providers not in environment config
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# When true: Providers configured in database but missing from SSO_*_ENABLED
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# environment variables will be automatically disabled during bootstrap.
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# This enforces environment config as the single source of truth.
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# When false: Manually configured providers in database are preserved (default).
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# IMPORTANT: Enabling this may be a breaking change for existing deployments
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# with manually configured SSO providers.
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# Default: false (backward compatible)
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# SSO_AUTO_DISABLE_UNCONFIGURED_PROVIDERS=false
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# SSO Issuers Configuration
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# Optional JSON array of issuer URLs for SSO providers
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# Example: ["https://idp1.example.com", "https://idp2.example.com"]

‎.secrets.baseline‎

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"files": "^.secrets.baseline$",
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"lines": null
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},
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"generated_at": "2026-04-01T19:01:30Z",
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"generated_at": "2026-04-01T23:08:36Z",
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"plugins_used": [
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{
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"name": "AWSKeyDetector"
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"hashed_secret": "910fbf00f58e9bcb095ea26a75cc1d9a3355e671",
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"is_secret": false,
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"is_verified": false,
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"line_number": 1177,
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"type": "Secret Keyword",
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"verified_result": null
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}
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"hashed_secret": "25ab86bed149ca6ca9c1c0d5db7c9a91388ddeab",
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"is_secret": false,
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"is_verified": false,
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"line_number": 956,
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"type": "Basic Auth Credentials",
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"verified_result": null
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},
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{
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"hashed_secret": "d08f88df745fa7950b104e4a707a31cfce7b5841",
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"is_secret": false,
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"is_verified": false,
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"type": "Secret Keyword",
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"hashed_secret": "7288edd0fc3ffcbe93a0cf06e3568e28521687bc",
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"is_secret": false,
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"type": "Secret Keyword",
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},
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{
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"hashed_secret": "8674c9b302d20800e4ab3808f139704d8641a6e3",
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"is_secret": false,
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"is_verified": false,
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"type": "Secret Keyword",
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},
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{
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"hashed_secret": "cff0d14e4337fa8bdb68dfa906f04b0df6fad72f",
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"is_secret": false,
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"is_verified": false,
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"type": "Secret Keyword",
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},
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{
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"hashed_secret": "f865b53623b121fd34ee5426c792e5c33af8c227",
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"hashed_secret": "acde39840735314af1300688b6c2324ea89770a3",
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"hashed_secret": "fa9beb99e4029ad5a6615399e7bbae21356086b3",
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"is_secret": false,
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}
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}
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],
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"docs/docs/manage/sso-github-tutorial.md": [
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{
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"hashed_secret": "15a1549fd810c90cbb12e8e007eb6c7b18627261",
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"type": "Secret Keyword",
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"hashed_secret": "e175c6f5f2a92e8623bd9a4820edb4e8c1b0fd10",
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"is_secret": false,
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"is_verified": false,
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"line_number": 74,
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"type": "GitHub Token",
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"verified_result": null
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},
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{
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"hashed_secret": "d7d24cbbbbaaacb8e213f754cd8f783eb747b56c",
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"is_secret": false,
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"hashed_secret": "ff37a98a9963d347e9749a5c1b3936a4a245a6ff",
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"is_secret": false,
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"type": "Secret Keyword",
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"hashed_secret": "920a25ef686c4f7ca6ad23dd109d3ad653161832",
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"is_secret": false,
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"is_verified": false,
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"type": "Secret Keyword",
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}
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"hashed_secret": "920a25ef686c4f7ca6ad23dd109d3ad653161832",
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"is_secret": false,
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"hashed_secret": "999a3419d9959d3c39b11dcc67d79c7888b4b765",
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"hashed_secret": "920a25ef686c4f7ca6ad23dd109d3ad653161832",
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"is_secret": false,
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"hashed_secret": "3340ad734a33028b9498d58dc8b49e9c02157b19",
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"hashed_secret": "fe1bae27cb7c1fb823f496f286e78f1d2ae87734",
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}

‎MANIFEST.in‎

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prune .ruff_cache
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prune .mypy_cache
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global-exclude **/.mypy_cache/*
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# Virtual environments (including nested in plugins)
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prune venv

‎charts/mcp-stack/values.schema.json‎

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"SSO_OKTA_ENABLED": {
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},
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"SSO_ADFS_ENABLED": {
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"type": "string"
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},
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"SSRF_BLOCKED_HOSTS": {
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},

‎charts/mcp-stack/values.yaml‎

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SSO_ENTRA_ENABLED: "false"
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SSO_GENERIC_ENABLED: "false"
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SSO_ADFS_ENABLED: "false"
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# See .env.example for full SSO_*_CLIENT_ID, SSO_*_CLIENT_SECRET, etc.
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# ─ Default Role Configuration ─

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