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* feat: msg filter * feat: msg filter * feat: msg filter
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| package msg | ||
|
|
||
| import ( | ||
| "github.com/openimsdk/open-im-server/v3/pkg/common/config" | ||
| pbchat "github.com/openimsdk/protocol/msg" | ||
| "github.com/openimsdk/tools/utils/datautil" | ||
| "strconv" | ||
| "strings" | ||
| ) | ||
|
|
||
| const ( | ||
| separator = "-" | ||
| ) | ||
|
|
||
| func filterAfterMsg(msg *pbchat.SendMsgReq, after *config.AfterConfig) bool { | ||
| return filterMsg(msg, after.AttentionIds, after.AllowedTypes, after.DeniedTypes) | ||
| } | ||
|
|
||
| func filterBeforeMsg(msg *pbchat.SendMsgReq, before *config.BeforeConfig) bool { | ||
| return filterMsg(msg, nil, before.AllowedTypes, before.DeniedTypes) | ||
| } | ||
|
|
||
| func filterMsg(msg *pbchat.SendMsgReq, attentionIds, allowedTypes, deniedTypes []string) bool { | ||
| // According to the attentionIds configuration, only some users are sent | ||
| if len(attentionIds) != 0 && !datautil.Contains([]string{msg.MsgData.SendID, msg.MsgData.RecvID}, attentionIds...) { | ||
| return false | ||
| } | ||
| if len(allowedTypes) != 0 && !isInInterval(msg.MsgData.ContentType, allowedTypes) { | ||
| return false | ||
| } | ||
| if len(deniedTypes) != 0 && isInInterval(msg.MsgData.ContentType, deniedTypes) { | ||
| return false | ||
| } | ||
| return true | ||
| } | ||
|
|
||
| func isInInterval(contentType int32, interval []string) bool { | ||
| for _, v := range interval { | ||
| if strings.Contains(v, separator) { | ||
| // is interval | ||
| bounds := strings.Split(v, separator) | ||
| if len(bounds) != 2 { | ||
| continue | ||
| } | ||
| bottom, err := strconv.Atoi(bounds[0]) | ||
| if err != nil { | ||
| continue | ||
| } | ||
| top, err := strconv.Atoi(bounds[1]) | ||
| if err != nil { | ||
| continue | ||
| } | ||
| if datautil.BetweenEq(int(contentType), bottom, top) { | ||
| return true | ||
| } | ||
| } else { | ||
| iv, err := strconv.Atoi(v) | ||
| if err != nil { | ||
| continue | ||
| } | ||
| if int(contentType) == iv { | ||
| return true | ||
| } | ||
| } | ||
| } | ||
| return false | ||
| } |
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