83 lines
2.4 KiB
Go
83 lines
2.4 KiB
Go
package config
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import (
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"os"
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"strings"
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"time"
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)
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// ModerationConfig 举报反馈服务配置 (spec §11.1)
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type ModerationConfig struct {
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AutoHideThreshold int
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CounterTTL time.Duration
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UserMarkerTTL time.Duration
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LockTTL time.Duration
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MaxDescriptionLen int
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MaxEvidenceCount int
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MaxContactLen int
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MaxReplyLen int
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MaxEvidenceSize int64
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AllowedMimeTypes []string
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RateLimitUserPerDay int
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RateLimitIPPerDay int
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RateLimitDevPerDay int
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RateLimitFbUserDay int
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ClaimTimeout time.Duration
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PIIAnonymizeAfter time.Duration
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AutoArchiveAfter time.Duration
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RedisKeyPrefix string
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PathDCounterPolicy string
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// OSSBaseURL OSS bucket 公开访问的 host（不含末尾斜杠），用于把证据 oss_key 拼成完整 URL 写入 oss_url 列。
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// 由环境变量 OSS_BASE_URL 覆盖（main.go）。
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OSSBaseURL string
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}
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var Default = ModerationConfig{
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AutoHideThreshold: 5,
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CounterTTL: 7 * 24 * time.Hour,
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UserMarkerTTL: 24 * time.Hour,
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LockTTL: 5 * time.Second,
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MaxDescriptionLen: 500,
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MaxEvidenceCount: 5,
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MaxContactLen: 320,
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MaxReplyLen: 2000,
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MaxEvidenceSize: 5 * 1024 * 1024,
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AllowedMimeTypes: []string{"image/png", "image/jpeg"},
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RateLimitUserPerDay: 30,
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RateLimitIPPerDay: 200,
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RateLimitDevPerDay: 200,
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RateLimitFbUserDay: 5,
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ClaimTimeout: 15 * time.Minute,
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PIIAnonymizeAfter: 90 * 24 * time.Hour,
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AutoArchiveAfter: 90 * 24 * time.Hour,
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RedisKeyPrefix: "mod:report",
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PathDCounterPolicy: "preserve",
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OSSBaseURL: "https://top-fans-test.oss-cn-shanghai.aliyuncs.com",
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}
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// BuildOSSURL 把 oss_key 还原成可访问的完整 URL。
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// 入参已是 http(s):// 开头则原样返回（兼容历史上传时就传完整 URL 的客户端）；
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// 否则按 OSSBaseURL/<key> 拼接。返回空串表示入参为空。
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func BuildOSSURL(ossBaseURL, key string) string {
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if key == "" {
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return ""
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}
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if strings.HasPrefix(key, "http://") || strings.HasPrefix(key, "https://") {
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return key
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}
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base := strings.TrimRight(ossBaseURL, "/")
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if base == "" {
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return key
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}
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return base + "/" + strings.TrimLeft(key, "/")
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}
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// LoadEnvOverrides 用环境变量覆盖 Default 里的可调字段。
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func LoadEnvOverrides() ModerationConfig {
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c := Default
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if v := os.Getenv("OSS_BASE_URL"); v != "" {
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c.OSSBaseURL = v
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}
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return c
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}
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