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    Setting Text Moderation

    Terakhir diperbarui:2024-01-06 15:31:10
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      Overview

      This document describes how to use the text moderation feature in the COS console. The feature can check text content for pornographic, illegal, advertising, and abusive information.
      After you enable text moderation, new text files uploaded to a bucket will be automatically moderated, and the identified non-compliant content can be automatically blocked (by denying public read access to the content).
      Note:
      Text moderation is billed by CI.
      Text moderation is billed by moderation times. Every 10,000 UTF-8 characters is counted as one moderation operation, and less than 10,000 characters are counted as 10,000 characters.
      Currently, the text moderation feature supports TXT files and files without extensions, and the file size cannot exceed 1 MB.
      Text moderation can recognize Mandarin and English.

      Flowchart

      
      
      

      Directions

      1. Log in to the COS console.
      2. Click Bucket List on the left sidebar.
      3. Click the name of the target bucket to go to the configuration page.
      4. On the left sidebar, select Sensitive Content Moderation > Automatic Moderation Configuration and click Text Moderation.
      5. Click Add Automatic Text Moderation Configuration and set the following configuration items:
      Moderation Scope: You can select The whole bucket or Specified Range.
      Path: If you select Specified Range, enter the path of the text files to be moderated.
      Example 1: To moderate files in the test directory, set this field to test/.
      Example 2: To moderate files prefixed with 123, set this field to 123.
      Note:
      You can add multiple moderation configurations, but the paths cannot be duplicate or have inclusion relationships. If you have configured to moderate the entire bucket, you cannot add a moderation configuration for a specific path in the bucket.
      Moderation Suffix: Options include TXT, HTML, and Without suffix.
      Moderation Policy: Select a moderation policy. You can create different policies for refined moderation. Moderation scene options include Pornographic, Illegal, and Advertisement, and you can select one or multiple options. For detailed directions on how to configure a moderation policy, see Setting Moderation Policy.
      Moderation Scene: Moderation scene options include moderation for pornographic, advertising, and abusive content, and you can select one or multiple options.
      File block configuration: You can enable this service to authorize CI to perform automatic or human moderation and block the identified non-compliant files by denying public read access to them.
      Block mode: The following two block modes are supported:
      Change the file ACL to private read: Doing so actually blocks the file. Then, a 403 status code will be returned when the file is accessed again, indicating that access is denied. For more information on file permissions, see ACL.
      Transfer the file to the backup directory: Doing so actually blocks the file. Then, a 404 status code will be returned when the file is accessed again, indicating that the file does not exist. The backup directory is automatically generated by the backend at audit_freeze_backup/increment_audit in the current bucket.
      Block Type: You can select a block type and mechanism. Machine moderation and block is selected by default. If you select Human moderation and block, Tencent Cloud security team will review suspiciously sensitive text files identified during machine moderation.
      Callback: After callback is enabled, you will receive moderation results. You need to select the moderation type and callback content and set the callback URL. For more information, see Callback Content.
      6. After completing the configuration, click Save. Text files uploaded subsequently will be moderated.

      Callback Content

      After callback is enabled, the system will send the following default callback message to the set URL to check whether it can receive callback messages normally:
      {
         "code": 0,
         "data": {
             "forbidden_status": 0,
             "porn_info": {
                 "hit_flag": 0,
                 "label": "",
                 "count": 9
             },
             "result": 0,
             "trace_id": "test_trace_id",
             "url": "test_text"
         },
         "message": "Test request when setting callback url"
      }
      Note:
      If the callback option is selected, text files frozen by Tencent Cloud will be returned to you, with public read access to them denied.
      The callback URL must begin with "http" or "https" and return a 200 status code by default before it can be used. Check it before saving the settings.
      The callback URL will take effect in 30 minutes.
      After the callback URL takes effect, when an uploaded text file hits moderation rules, the system will call back the URL by default and send a standard HTTP POST notification message to it. The HTTP packet is as follows:
      Parameter
      Description
      Type
      Required
      forbidden_status
      Block status. Valid values: 0 (normal); 1 (blocked).
      Int
      Yes
      porn_info
      Porn detection information, including moderation result, score, and detailed tags.
      json
      Yes
      ads_info
      Ad detection information, including moderation result, score, and detailed tags.
      json
      Yes
      result
      Recognition result for reference. Valid values: 0 (normal), 1 (sensitive), 2 (suspiciously sensitive).
      Int
      Yes
      trace_id
      jobid of the submitted moderation job.
      String
      Yes
      url
      The URL of the uploaded resource, including the domain name.
      String
      Yes
      illegal_info
      Illegal information detection information, including moderation result, score, and detailed tags.
      json
      No
      abuse_info
      Abuse detection information, including moderation result, score, and detailed tags.
      json
      No
      The moderation information (porn_info, ads_info, illegal_info, and abuse_info) has the following sub-nodes:
      Parameter
      Description
      Type
      Required
      hit_flag
      Whether the moderation type is hit.
      Int
      Yes
      label
      Recognized text tag.
      String
      Yes
      count
      Text file callback parameter, which is the number of sensitive text segments that hit the moderation scene.
      Int
      Yes
      Below is a sample callback:
      {	
          "code":0,
             "message":"success",
             "data":{
                "url":"xxxxxxxxxxxxxxx",
                "result":1,
                "forbidden_status":1,
                "trace_id":"xxxxxxxxxxxxxxx",
                "porn_info":{
                    "hit_flag":1,
                    "label":"Obscene",
                    "count":3
                 },
          },
      }
      
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