Obsidian Elite RAG MCP Server

import { v4 as uuidv4 } from "uuid"; import * as jwt from "jsonwebtoken"; interface User { id: string; email: string; name: string; organization?: string; tier: "free" | "pro" | "enterprise"; api_key: string; created_at: Date; usage: Record<string, number>; } export class AuthManager { private users: Map<string, User> = new Map(); private apiKey: string; constructor(apiKey?: string) { this.apiKey = apiKey || "default-key"; // In production, this would connect to a database } async registerUser(data: { email: string; name: string; organization?: string; tier: "free" | "pro" | "enterprise"; }): Promise<User> { // Check if user already exists if (this.users.has(data.email)) { throw new Error("User already registered"); } const user: User = { id: uuidv4(), email: data.email, name: data.name, organization: data.organization, tier: data.tier, api_key: this.generateApiKey(data.email), created_at: new Date(), usage: {} }; this.users.set(data.email, user); return user; } async getUserStatus(email: string): Promise<any> { const user = this.users.get(email); if (!user) { return { registered: false, email: email }; } return { registered: true, email: user.email, name: user.name, organization: user.organization, tier: user.tier, created_at: user.created_at, usage_summary: this.getUsageSummary(user) }; } async trackUsage(data: { email: string; feature: string; count: number; }): Promise<{ total: number; limit: number }> { const user = this.users.get(data.email); if (!user) { throw new Error("User not found"); } if (!user.usage[data.feature]) { user.usage[data.feature] = 0; } user.usage[data.feature] += data.count; const limit = this.getFeatureLimit(user.tier, data.feature); return { total: user.usage[data.feature], limit: limit }; } private generateApiKey(email: string): string { return jwt.sign( { email, type: "api_key" }, this.apiKey, { expiresIn: "1y" } ); } private getFeatureLimit(tier: string, feature: string): number { const limits = { free: { image_generation: 100, video_generation: 10, api_calls: 1000 }, pro: { image_generation: 5000, video_generation: 500, api_calls: 50000 }, enterprise: { image_generation: -1, // unlimited video_generation: -1, api_calls: -1 } }; return limits[tier]?.[feature] || 0; } private getUsageSummary(user: User): Record<string, any> { const summary = {}; for (const [feature, count] of Object.entries(user.usage)) { const limit = this.getFeatureLimit(user.tier, feature); summary[feature] = { used: count, limit: limit, percentage: limit > 0 ? (count / limit) * 100 : 0 }; } return summary; } }