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378af4cb74
Added doc.go files for the three main layers of the Mattermost server architecture: - api4/doc.go: HTTP REST API layer documentation - Explains endpoint structure and authentication handlers - Details input validation, permission checks, and error formatting - Covers security features and audit logging - app/doc.go: Business logic layer documentation - Describes the core application logic components - Explains design patterns like request context and dependency injection - Details key responsibilities including data orchestration and event handling - store/doc.go: Data persistence layer documentation - Documents the multi-layered architecture with caching, search, and retry layers - Explains the store interface pattern and domain-specific stores - Covers performance considerations and migration system These documentation files provide comprehensive overviews of each layer's responsibilities, architecture patterns, and integration points, making the codebase more accessible to developers. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-authored-by: Claude <noreply@anthropic.com>
56 lines
2.3 KiB
Go
56 lines
2.3 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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/*
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Package api4 implements the HTTP REST API layer for Mattermost server.
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This package provides the primary interface between client applications
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(web, mobile, desktop) and the Mattermost server backend. It exposes
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HTTP endpoints that follow REST conventions for managing users, teams,
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channels, posts, and other Mattermost resources.
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# Architecture
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The API is structured around resource-based endpoints under the /api/v4/ path.
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Each endpoint is handled by specific handler functions that provide different
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levels of authentication and authorization:
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- APIHandler: Public endpoints requiring no authentication
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- APISessionRequired: Endpoints requiring authenticated user sessions
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- APISessionRequiredTrustRequester: Authenticated endpoints for trusted requests
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- CloudAPIKeyRequired: Cloud installation webhook endpoints
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- RemoteClusterTokenRequired: Remote cluster communication endpoints
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- APILocal: Local mode access via UNIX socket
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# Key Responsibilities
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- Input validation: Validate request parameters and body content
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- Permission checks: Verify user has required permissions for the operation
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- HTTP handling: Parse requests, format responses, set appropriate status codes
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- Error formatting: Convert app layer errors to appropriate HTTP responses
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- Audit logging: Log security-relevant operations
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# Error Handling
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The API uses consistent error responses with appropriate HTTP status codes.
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All handlers use the Context object for standardized error reporting and
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audit logging. Errors are returned in a structured JSON format with
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error codes, messages, and additional context when available.
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# Security
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Security is implemented through multiple layers:
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- Authentication via sessions, tokens, or API keys
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- Role-based access control and permission checking
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- CSRF protection through request validation
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- Rate limiting to prevent abuse
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- Multi-factor authentication support
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- Secure session management
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The api4 package serves as the HTTP interface layer in Mattermost's
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layered architecture, providing a stable, versioned API for client
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applications while maintaining clear separation from business logic
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and data persistence concerns.
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*/
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package api4
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