108 lines
3.2 KiB
Go
108 lines
3.2 KiB
Go
// Copyright © 2023 OpenIM open source community. All rights reserved.
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//
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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 chat
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import (
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"context"
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"strings"
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chatdb "git.imall.cloud/openim/chat/pkg/common/db/table/chat"
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"git.imall.cloud/openim/chat/pkg/common/mctx"
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"git.imall.cloud/openim/chat/pkg/protocol/chat"
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)
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// ==================== 敏感词检测相关 RPC ====================
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// GetSensitiveWords 获取敏感词列表
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func (o *chatSvr) GetSensitiveWords(ctx context.Context, req *chat.GetSensitiveWordsReq) (*chat.GetSensitiveWordsResp, error) {
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// 验证用户身份
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if _, _, err := mctx.Check(ctx); err != nil {
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return nil, err
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}
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// 获取启用的敏感词列表
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words, err := o.Database.GetSensitiveWords(ctx)
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if err != nil {
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return nil, err
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}
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// 转换为响应格式（客户端只需要基本信息）
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var wordInfos []*chat.SensitiveWordInfo
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for _, word := range words {
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wordInfos = append(wordInfos, &chat.SensitiveWordInfo{
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Word: word.Word,
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Action: word.Action,
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ReplaceChar: "", // 敏感词本身没有替换字符，使用配置中的默认值
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})
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}
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// 获取敏感词配置
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config, err := o.Database.GetSensitiveWordConfig(ctx)
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if err != nil {
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// 如果配置不存在，使用默认值
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config = &chatdb.SensitiveWordConfig{
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EnableFilter: true,
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ReplaceChar: "***",
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}
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}
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return &chat.GetSensitiveWordsResp{
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Words: wordInfos,
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EnableFilter: config.EnableFilter,
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DefaultReplaceChar: config.ReplaceChar,
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}, nil
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}
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// CheckSensitiveWords 检测敏感词
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func (o *chatSvr) CheckSensitiveWords(ctx context.Context, req *chat.CheckSensitiveWordsReq) (*chat.CheckSensitiveWordsResp, error) {
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// 验证用户身份
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if _, _, err := mctx.Check(ctx); err != nil {
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return nil, err
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}
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// 检测敏感词
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matchedWords, hasSensitive, err := o.Database.CheckSensitiveWords(ctx, req.Content)
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if err != nil {
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return nil, err
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}
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// 如果检测到敏感词，进行内容过滤
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filteredContent := req.Content
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var matchedWordStrings []string
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if hasSensitive {
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for _, word := range matchedWords {
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matchedWordStrings = append(matchedWordStrings, word.Word)
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// 根据处理动作进行替换
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if word.Action == 1 { // 替换模式
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// 获取配置中的替换字符
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config, err := o.Database.GetSensitiveWordConfig(ctx)
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replaceChar := "***"
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if err == nil && config.ReplaceChar != "" {
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replaceChar = config.ReplaceChar
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}
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filteredContent = strings.ReplaceAll(filteredContent, word.Word, replaceChar)
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}
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}
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}
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return &chat.CheckSensitiveWordsResp{
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HasSensitive: hasSensitive,
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FilteredContent: filteredContent,
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MatchedWords: matchedWordStrings,
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}, nil
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}
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