scope-registry.ts•1.78 kB
/**
* Simple registry to collect OAuth scopes needed by tools.
* Scopes are gathered at startup and used for initial auth only.
* No validation is performed - auth issues are handled via 401 responses.
*/
export interface ToolScope {
scope: string;
tool: string;
}
export class ScopeRegistry {
private static instance: ScopeRegistry;
private scopes: Map<string, ToolScope>;
private scopeOrder: string[]; // Maintain registration order
private constructor() {
this.scopes = new Map();
this.scopeOrder = [];
}
static getInstance(): ScopeRegistry {
if (!ScopeRegistry.instance) {
ScopeRegistry.instance = new ScopeRegistry();
}
return ScopeRegistry.instance;
}
/**
* Register a scope needed by a tool.
* If the scope is already registered, it will not be re-registered
* but its position in the order will be updated.
*/
registerScope(tool: string, scope: string) {
// Remove from order if already exists
const existingIndex = this.scopeOrder.indexOf(scope);
if (existingIndex !== -1) {
this.scopeOrder.splice(existingIndex, 1);
}
// Add to map and order
this.scopes.set(scope, { scope, tool });
this.scopeOrder.push(scope);
}
/**
* Get all registered scopes in their registration order.
* This order is important for auth URL generation to ensure
* consistent scope presentation to users.
*/
getAllScopes(): string[] {
// Return scopes in registration order
return this.scopeOrder;
}
getToolScopes(tool: string): string[] {
return Array.from(this.scopes.values())
.filter(scope => scope.tool === tool)
.map(scope => scope.scope);
}
}
// Export a singleton instance
export const scopeRegistry = ScopeRegistry.getInstance();