复制项目

internal/rpc/chat/sensitive_word.go

@@ -0,0 +1,107 @@
+// Copyright © 2023 OpenIM open source community. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package chat
+
+import (
+	"context"
+	"strings"
+
+	chatdb "git.imall.cloud/openim/chat/pkg/common/db/table/chat"
+	"git.imall.cloud/openim/chat/pkg/common/mctx"
+	"git.imall.cloud/openim/chat/pkg/protocol/chat"
+)
+
+// ==================== 敏感词检测相关 RPC ====================
+
+// GetSensitiveWords 获取敏感词列表
+func (o *chatSvr) GetSensitiveWords(ctx context.Context, req *chat.GetSensitiveWordsReq) (*chat.GetSensitiveWordsResp, error) {
+	// 验证用户身份
+	if _, _, err := mctx.Check(ctx); err != nil {
+		return nil, err
+	}
+
+	// 获取启用的敏感词列表
+	words, err := o.Database.GetSensitiveWords(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	// 转换为响应格式（客户端只需要基本信息）
+	var wordInfos []*chat.SensitiveWordInfo
+	for _, word := range words {
+		wordInfos = append(wordInfos, &chat.SensitiveWordInfo{
+			Word:        word.Word,
+			Action:      word.Action,
+			ReplaceChar: "", // 敏感词本身没有替换字符，使用配置中的默认值
+		})
+	}
+
+	// 获取敏感词配置
+	config, err := o.Database.GetSensitiveWordConfig(ctx)
+	if err != nil {
+		// 如果配置不存在，使用默认值
+		config = &chatdb.SensitiveWordConfig{
+			EnableFilter: true,
+			ReplaceChar:  "***",
+		}
+	}
+
+	return &chat.GetSensitiveWordsResp{
+		Words:              wordInfos,
+		EnableFilter:       config.EnableFilter,
+		DefaultReplaceChar: config.ReplaceChar,
+	}, nil
+}
+
+// CheckSensitiveWords 检测敏感词
+func (o *chatSvr) CheckSensitiveWords(ctx context.Context, req *chat.CheckSensitiveWordsReq) (*chat.CheckSensitiveWordsResp, error) {
+	// 验证用户身份
+	if _, _, err := mctx.Check(ctx); err != nil {
+		return nil, err
+	}
+
+	// 检测敏感词
+	matchedWords, hasSensitive, err := o.Database.CheckSensitiveWords(ctx, req.Content)
+	if err != nil {
+		return nil, err
+	}
+
+	// 如果检测到敏感词，进行内容过滤
+	filteredContent := req.Content
+	var matchedWordStrings []string
+
+	if hasSensitive {
+		for _, word := range matchedWords {
+			matchedWordStrings = append(matchedWordStrings, word.Word)
+
+			// 根据处理动作进行替换
+			if word.Action == 1 { // 替换模式
+				// 获取配置中的替换字符
+				config, err := o.Database.GetSensitiveWordConfig(ctx)
+				replaceChar := "***"
+				if err == nil && config.ReplaceChar != "" {
+					replaceChar = config.ReplaceChar
+				}
+				filteredContent = strings.ReplaceAll(filteredContent, word.Word, replaceChar)
+			}
+		}
+	}
+
+	return &chat.CheckSensitiveWordsResp{
+		HasSensitive:    hasSensitive,
+		FilteredContent: filteredContent,
+		MatchedWords:    matchedWordStrings,
+	}, nil
+}