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* Namespace Tier Detector
*
* Detects GitLab tier (free/premium/ultimate) per namespace.
* CRITICAL: Tier is per-NAMESPACE, not per-instance!
* On gitlab.com, one user can access Free group and Ultimate group simultaneously.
*
* Features:
* - Per-session namespace tier caching (5 min TTL)
* - GraphQL query for namespace tier detection
* - Feature availability mapping per tier
*/
import { logDebug, logWarn } from "../logger.js";
import { NamespaceTierInfo } from "../oauth/types.js";
import { getTokenContext } from "../oauth/token-context.js";
import { enhancedFetch } from "../utils/fetch.js";
import { GITLAB_BASE_URL } from "../config";
/**
* Cache TTL for namespace tier (5 minutes)
*/
const NAMESPACE_TIER_CACHE_TTL_MS = 5 * 60 * 1000;
/**
* In-memory namespace tier cache
* Key: `${sessionId}:${namespacePath}`
*/
const namespaceTierCache = new Map<string, NamespaceTierInfo>();
/**
* GraphQL query to get namespace tier
*/
const NAMESPACE_TIER_QUERY = `
query GetNamespaceTier($fullPath: ID!) {
namespace(fullPath: $fullPath) {
id
fullPath
... on Group {
plan
}
... on Project {
group {
plan
}
}
}
}
`;
/**
* Feature availability per tier
*/
const TIER_FEATURES: Record<string, Record<string, boolean>> = {
free: {
issues: true,
mergeRequests: true,
wiki: true,
snippets: true,
epics: false,
iterations: false,
roadmaps: false,
okrs: false,
healthStatus: false,
weight: false,
multiLevelEpics: false,
portfolioManagement: false,
requirements: false,
securityDashboard: false,
complianceFramework: false,
},
premium: {
issues: true,
mergeRequests: true,
wiki: true,
snippets: true,
epics: true,
iterations: true,
roadmaps: true,
okrs: false,
healthStatus: true,
weight: true,
multiLevelEpics: true,
portfolioManagement: true,
requirements: true,
securityDashboard: false,
complianceFramework: true,
},
ultimate: {
issues: true,
mergeRequests: true,
wiki: true,
snippets: true,
epics: true,
iterations: true,
roadmaps: true,
okrs: true,
healthStatus: true,
weight: true,
multiLevelEpics: true,
portfolioManagement: true,
requirements: true,
securityDashboard: true,
complianceFramework: true,
},
};
/**
* Normalize plan name to tier
*/
function normalizeTier(plan: string | null | undefined): "free" | "premium" | "ultimate" {
if (!plan) return "free";
const normalized = plan.toLowerCase();
if (normalized.includes("ultimate") || normalized.includes("gold")) {
return "ultimate";
}
if (normalized.includes("premium") || normalized.includes("silver")) {
return "premium";
}
if (normalized.includes("bronze") || normalized.includes("starter")) {
return "premium"; // Bronze/Starter maps to Premium tier features
}
return "free";
}
/**
* Get features for a tier
*/
export function getFeaturesForTier(tier: "free" | "premium" | "ultimate"): Record<string, boolean> {
return { ...TIER_FEATURES[tier] };
}
/**
* Build cache key from session ID and namespace path
*/
function buildCacheKey(sessionId: string, namespacePath: string): string {
return `${sessionId}:${namespacePath}`;
}
/**
* Get cached namespace tier info
*/
function getCachedTier(sessionId: string, namespacePath: string): NamespaceTierInfo | null {
const key = buildCacheKey(sessionId, namespacePath);
const cached = namespaceTierCache.get(key);
if (!cached) return null;
// Check TTL
const age = Date.now() - cached.cachedAt.getTime();
if (age > NAMESPACE_TIER_CACHE_TTL_MS) {
namespaceTierCache.delete(key);
logDebug("Namespace tier cache expired", {
sessionId,
namespacePath,
ageMs: age,
});
return null;
}
return cached;
}
/**
* Set cached namespace tier info
*/
function setCachedTier(
sessionId: string,
namespacePath: string,
tierInfo: NamespaceTierInfo
): void {
const key = buildCacheKey(sessionId, namespacePath);
namespaceTierCache.set(key, tierInfo);
logDebug("Namespace tier cached", {
sessionId,
namespacePath,
tier: tierInfo.tier,
});
}
/**
* Clear namespace tier cache for a session
* Called when user switches instances or session expires
*/
export function clearNamespaceTierCache(sessionId?: string): void {
if (sessionId) {
// Clear only for specific session
const prefix = `${sessionId}:`;
for (const key of namespaceTierCache.keys()) {
if (key.startsWith(prefix)) {
namespaceTierCache.delete(key);
}
}
logDebug("Namespace tier cache cleared for session", { sessionId });
} else {
// Clear entire cache
namespaceTierCache.clear();
logDebug("All namespace tier caches cleared");
}
}
/**
* Query GitLab for namespace tier via GraphQL
*/
async function queryNamespaceTier(
namespacePath: string,
token: string,
baseUrl: string
): Promise<NamespaceTierInfo> {
const graphqlUrl = `${baseUrl}/api/graphql`;
try {
const response = await enhancedFetch(graphqlUrl, {
method: "POST",
headers: {
"Content-Type": "application/json",
Authorization: `Bearer ${token}`,
},
body: JSON.stringify({
query: NAMESPACE_TIER_QUERY,
variables: { fullPath: namespacePath },
}),
// Pass baseUrl for rate limiting to match InstanceRegistry key (supports subpath deployments)
rateLimitBaseUrl: baseUrl,
});
if (!response.ok) {
logWarn("Failed to query namespace tier", {
namespacePath,
status: response.status,
});
// Return free tier as fallback
return {
tier: "free",
features: getFeaturesForTier("free"),
cachedAt: new Date(),
};
}
const result = (await response.json()) as {
data?: {
namespace?: {
plan?: string;
group?: { plan?: string };
};
};
errors?: Array<{ message: string }>;
};
if (result.errors?.length) {
logWarn("GraphQL errors querying namespace tier", {
namespacePath,
errors: result.errors.map(e => e.message),
});
}
// Extract plan from response
const namespace = result.data?.namespace;
const plan = namespace?.plan ?? namespace?.group?.plan ?? null;
const tier = normalizeTier(plan);
return {
tier,
features: getFeaturesForTier(tier),
cachedAt: new Date(),
};
} catch (error) {
logWarn("Error querying namespace tier", {
namespacePath,
err: error instanceof Error ? error : new Error(String(error)),
});
// Return free tier as fallback
return {
tier: "free",
features: getFeaturesForTier("free"),
cachedAt: new Date(),
};
}
}
/**
* Get namespace tier with caching
* Uses current token context for session ID and token
*
* @param namespacePath - Full path of the namespace (e.g., "gitlab-org" or "gitlab-org/gitlab")
* @returns Namespace tier info with features
*/
export async function getNamespaceTier(namespacePath: string): Promise<NamespaceTierInfo> {
const context = getTokenContext();
if (!context) {
logWarn("No token context available for namespace tier detection");
return {
tier: "free",
features: getFeaturesForTier("free"),
cachedAt: new Date(),
};
}
const { sessionId, gitlabToken, apiUrl } = context;
const baseUrl = apiUrl || GITLAB_BASE_URL;
Iif (!baseUrl) {
logWarn("No base URL available for namespace tier detection");
return {
tier: "free",
features: getFeaturesForTier("free"),
cachedAt: new Date(),
};
}
// Check cache first
const cached = getCachedTier(sessionId, namespacePath);
if (cached) {
logDebug("Namespace tier from cache", {
namespacePath,
tier: cached.tier,
});
return cached;
}
// Query GitLab
const tierInfo = await queryNamespaceTier(namespacePath, gitlabToken, baseUrl);
// Cache result
setCachedTier(sessionId, namespacePath, tierInfo);
return tierInfo;
}
/**
* Check if a feature is available for a namespace
*
* @param namespacePath - Full path of the namespace
* @param feature - Feature name to check
* @returns true if feature is available
*/
export async function isFeatureAvailable(namespacePath: string, feature: string): Promise<boolean> {
const tierInfo = await getNamespaceTier(namespacePath);
return tierInfo.features[feature] ?? false;
}
/**
* Get namespace tier metrics (for monitoring)
*/
export function getNamespaceTierCacheMetrics(): {
totalEntries: number;
entriesBySession: Map<string, number>;
} {
const entriesBySession = new Map<string, number>();
for (const key of namespaceTierCache.keys()) {
// Cache key format: ${sessionId}:${namespacePath}
// sessionId is UUID (no colons), but namespace paths can contain colons.
// Using lastIndexOf safely handles any future format changes.
const separatorIndex = key.lastIndexOf(":");
const sessionId = separatorIndex === -1 ? key : key.slice(0, separatorIndex);
entriesBySession.set(sessionId, (entriesBySession.get(sessionId) ?? 0) + 1);
}
return {
totalEntries: namespaceTierCache.size,
entriesBySession,
};
}
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