109 lines
4.5 KiB
Go
109 lines
4.5 KiB
Go
// Copyright 2026 Alibaba Group
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package config provides shared constants used across multiple internal
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// packages. Only cross-cutting values belong here; package-private
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// constants should remain in their own package.
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package config
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import (
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"os"
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"time"
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)
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// ── File permissions ────────────────────────────────────────────────────
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// These are used consistently by auth, security, and cache packages to
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// protect sensitive data on disk.
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const (
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// DirPerm is the permission mode for directories that hold sensitive
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// data (token store, cache, lock files). Owner-only rwx.
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DirPerm os.FileMode = 0o700
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// FilePerm is the permission mode for sensitive files (encrypted
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// tokens, cache entries, lock files). Owner-only rw.
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FilePerm os.FileMode = 0o600
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)
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// ── HTTP timeouts ───────────────────────────────────────────────────────
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// Shared across transport, market, auth, and device-flow packages.
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const (
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// HTTPTimeout is the default timeout for outgoing HTTP requests
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// (market registry, MCP JSON-RPC, device flow).
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HTTPTimeout = 30 * time.Second
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// OAuthTimeout is the timeout for OAuth token exchange/refresh
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// requests, which are latency-sensitive and should fail fast.
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OAuthTimeout = 15 * time.Second
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// DiscoveryTimeout bounds the time spent on live registry + runtime
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// discovery before falling back to cache.
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DiscoveryTimeout = 10 * time.Second
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// LockTimeout is how long to wait when acquiring a cross-process
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// file lock for token operations.
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LockTimeout = 10 * time.Second
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)
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// ── Response limits ─────────────────────────────────────────────────────
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const (
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// MaxResponseBodySize limits the amount of data read from a single
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// HTTP response to prevent memory exhaustion from malicious servers.
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MaxResponseBodySize = 10 * 1024 * 1024 // 10 MB
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)
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// ── Cache ───────────────────────────────────────────────────────────────
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const (
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// DefaultPartition is the cache partition used when no tenant/org
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// context is available.
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DefaultPartition = "default/default"
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)
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// ── Auth flow timeouts ──────────────────────────────────────────────────
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const (
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// ManualTokenExpiry is the default lifetime for manually imported tokens.
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ManualTokenExpiry = 24 * time.Hour
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// DeviceFlowTimeout is the maximum wait time for device-flow authorization.
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DeviceFlowTimeout = 16 * time.Minute
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// OAuthFlowTimeout is the maximum wait time for browser-based OAuth.
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OAuthFlowTimeout = 6 * time.Minute
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// DefaultAccessTokenExpiry is the default access token lifetime in seconds
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// when the server does not return an explicit expires_in value.
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DefaultAccessTokenExpiry = 7200
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// DefaultRefreshTokenLifetime is the default refresh token lifetime.
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DefaultRefreshTokenLifetime = 30 * 24 * time.Hour
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)
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// ── Market ──────────────────────────────────────────────────────────────
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const (
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// DefaultFetchServersLimit is the maximum number of servers to fetch
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// from the market registry in a single request.
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DefaultFetchServersLimit = 200
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)
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// ── Upload limits ───────────────────────────────────────────────────────
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const (
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// MaxUploadFileSize is the maximum file size for attachment uploads.
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MaxUploadFileSize int64 = 100 * 1024 * 1024 // 100 MB
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)
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