> ## Documentation Index
> Fetch the complete documentation index at: https://help.dingtalk.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Get file preview or edit information

> Call this API to get the preview or edit link of a file in the storage space, allowing authorized users to preview or edit the file via the link.

Call this API to obtain the preview or edit link of a file in a storage space. Users with the required permissions can preview or edit the file through the link.

## Request

### Basic information

| Field               | Value                                                                                       |
| ------------------- | ------------------------------------------------------------------------------------------- |
| HTTP URL            | `https://api.dingtalk.io/v1.0/storage/spaces/{spaceId}/dentries/{dentryId}/openInfos/query` |
| HTTP Method         | POST                                                                                        |
| Supported app types | appType-Internal app　appType-Third-party enterprise app                                     |
| Permission required | permission-Storage.File.Read-Organization storage file read permission                      |

### Request headers

| Name                        | Type   | Required | Description                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| --------------------------- | ------ | -------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| x-acs-dingtalk-access-token | String | Yes      | The access credential for calling this API. Obtain it as follows:   - For an internal app, call the [Get the access token of an internal app](/open/development/obtain-the-access-token-of-an-internal-app) API. - For a third-party enterprise app, call the [Get the access token of an organization authorized to a third-party app](https://open.dingtalk.com/document/development/obtain-the-access-token-of-the-authorized-enterprise-1) API. |

### Path parameters

| Name     | Type   | Required | Description                                                                                                                                                                                                                                |
| -------- | ------ | -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| spaceId  | String | Yes      | The space ID. Call the [Add a space](/open/development/add-space) API to obtain the value of the id parameter.                                                                                                                             |
| dentryId | String | Yes      | The file ID. Call the [Get a list of files or folders](/open/development/get-a-list-of-files-or-folders) or [Get spaceId and dentryId by dentryUuid](/open/development/api-getdentryidbyuuid) API to obtain the value of the id parameter. |

### Query parameters

| Name    | Type   | Required | Description                                                                                                                                        |
| ------- | ------ | -------- | -------------------------------------------------------------------------------------------------------------------------------------------------- |
| unionId | String | Yes      | The unionId of the operator. Call the [Query user details](/open/development/query-user-details) API to obtain the value of the unionid parameter. |

### Request body

| Name       | Type    | Required | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| ---------- | ------- | -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| option     | Object  | No       | Optional parameters.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| version    | Long    | No       | The version number of the specified file. Call the [Get a list of files or folders](/open/development/get-a-list-of-files-or-folders) API to obtain the value of the id parameter.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| type       | String  | No       | The open mode of the file:   - **PREVIEW**: Preview. Default value. - **EDIT**: Edit.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| waterMark  | Boolean | No       | Whether a watermark is required:   - **true**: Required. - **false**: Not required. Default value.   Currently, only WPS-format files (Word, Excel, PPT, PDF) support watermarks.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| checkLogin | Boolean | No       | Whether to check the DingTalk sign-in state. This parameter takes effect only when the value of type is PREVIEW.   - **true**: Check. The DingTalk sign-in state is verified when entering the page. If the user is not signed in, the page redirects to the sign-in page, and then continues to the current page after signing in successfully. - **false** (default): Do not check. The DingTalk sign-in state is not verified when entering the page, but the following restrictions apply:    - Supports basic document formats (Word, Excel, PPT, PDF), some image formats (jpg, jpeg, jpe, png, gif, bmp, pcx, jiff, tiff, tif, ico, fax, wbmp, webp), and all types of audio and video files. The Forward, Edit online, Download, and other actions in the upper-right corner of the preview window are not supported.   - Once obtained, the link can be accessed only once (per browser session).   - Once obtained, the link automatically expires after 5 minutes of inactivity. |

### Request example

HTTP

```http theme={"theme":{"light":"github-light","dark":"github-dark"}}
POST /v1.0/storage/spaces/854xxxxx/dentries/989xxxxx/openInfos/query?unionId=chyxxxxx HTTP/1.1
Host:api.dingtalk.io
x-acs-dingtalk-access-token:xxxxx
Content-Type:application/json

{
  "option" : {
    "version" : 1,
    "type" : "PREVIEW",
    "waterMark" : true,
    "checkLogin" : true
  }
}
```

Java

```java theme={"theme":{"light":"github-light","dark":"github-dark"}}
package com.aliyun.sample;

import com.aliyun.tea.*;

public class Sample {

    /**
     * <b>description</b> :
     * <p>Initialize the account Client with a Token</p>
     * @return Client
     * 
     * @throws Exception
     */
    public static com.aliyun.dingtalkstorage_1_0.Client createClient() throws Exception {
        com.aliyun.teaopenapi.models.Config config = new com.aliyun.teaopenapi.models.Config();
        config.protocol = "https";
        config.regionId = "central";
        return new com.aliyun.dingtalkstorage_1_0.Client(config);
    }

    public static void main(String[] args_) throws Exception {
        
        com.aliyun.dingtalkstorage_1_0.Client client = Sample.createClient();
        com.aliyun.dingtalkstorage_1_0.models.GetDentryOpenInfoHeaders getDentryOpenInfoHeaders = new com.aliyun.dingtalkstorage_1_0.models.GetDentryOpenInfoHeaders();
        getDentryOpenInfoHeaders.xAcsDingtalkAccessToken = "<your access token>";
        com.aliyun.dingtalkstorage_1_0.models.GetDentryOpenInfoRequest.GetDentryOpenInfoRequestOption option = new com.aliyun.dingtalkstorage_1_0.models.GetDentryOpenInfoRequest.GetDentryOpenInfoRequestOption()
                .setVersion(1L)
                .setType("PREVIEW")
                .setWaterMark(true)
                .setCheckLogin(true);
        com.aliyun.dingtalkstorage_1_0.models.GetDentryOpenInfoRequest getDentryOpenInfoRequest = new com.aliyun.dingtalkstorage_1_0.models.GetDentryOpenInfoRequest()
                .setUnionId("chyxxxxx")
                .setOption(option);
        try {
            client.getDentryOpenInfoWithOptions("854xxxxx", "989xxxxx", getDentryOpenInfoRequest, getDentryOpenInfoHeaders, new com.aliyun.teautil.models.RuntimeOptions());
        } catch (TeaException err) {
            if (!com.aliyun.teautil.Common.empty(err.code) && !com.aliyun.teautil.Common.empty(err.message)) {
                // err contains code and message attributes that help locate issues during development
            }

        } catch (Exception _err) {
            TeaException err = new TeaException(_err.getMessage(), _err);
            if (!com.aliyun.teautil.Common.empty(err.code) && !com.aliyun.teautil.Common.empty(err.message)) {
                // err contains code and message attributes that help locate issues during development
            }

        }        
    }
}
```

Python

```python theme={"theme":{"light":"github-light","dark":"github-dark"}}
# -*- coding: utf-8 -*-
# This file is auto-generated, don't edit it. Thanks.
import os
import sys
import json

from typing import List

from alibabacloud_dingtalk.storage_1_0.client import Client as dingtalkstorage_1_0Client
from alibabacloud_tea_openapi import models as open_api_models
from alibabacloud_dingtalk.storage_1_0 import models as dingtalkstorage__1__0_models
from alibabacloud_tea_util import models as util_models
from alibabacloud_tea_util.client import Client as UtilClient

class Sample:
    def __init__(self):
        pass

    @staticmethod
    def create_client() -> dingtalkstorage_1_0Client:
        """
        Initialize the account Client with a Token
        @return: Client
        @throws Exception
        """
        config = open_api_models.Config()
        config.protocol = 'https'
        config.region_id = 'central'
        return dingtalkstorage_1_0Client(config)

    @staticmethod
    def main(
        args: List[str],
    ) -> None:
        client = Sample.create_client()
        get_dentry_open_info_headers = dingtalkstorage__1__0_models.GetDentryOpenInfoHeaders()
        get_dentry_open_info_headers.x_acs_dingtalk_access_token = '<your access token>'
        option = dingtalkstorage__1__0_models.GetDentryOpenInfoRequestOption(
            version=1,
            type='PREVIEW',
            water_mark=True,
            check_login=True
        )
        get_dentry_open_info_request = dingtalkstorage__1__0_models.GetDentryOpenInfoRequest(
            union_id='chyxxxxx',
            option=option
        )
        try:
            client.get_dentry_open_info_with_options('854xxxxx', '989xxxxx', get_dentry_open_info_request, get_dentry_open_info_headers, util_models.RuntimeOptions())
        except Exception as err:
            if not UtilClient.empty(err.code) and not UtilClient.empty(err.message):
                # err contains code and message attributes that help locate issues during development
                pass

    @staticmethod
    async def main_async(
        args: List[str],
    ) -> None:
        client = Sample.create_client()
        get_dentry_open_info_headers = dingtalkstorage__1__0_models.GetDentryOpenInfoHeaders()
        get_dentry_open_info_headers.x_acs_dingtalk_access_token = '<your access token>'
        option = dingtalkstorage__1__0_models.GetDentryOpenInfoRequestOption(
            version=1,
            type='PREVIEW',
            water_mark=True,
            check_login=True
        )
        get_dentry_open_info_request = dingtalkstorage__1__0_models.GetDentryOpenInfoRequest(
            union_id='chyxxxxx',
            option=option
        )
        try:
            await client.get_dentry_open_info_with_options_async('854xxxxx', '989xxxxx', get_dentry_open_info_request, get_dentry_open_info_headers, util_models.RuntimeOptions())
        except Exception as err:
            if not UtilClient.empty(err.code) and not UtilClient.empty(err.message):
                # err contains code and message attributes that help locate issues during development
                pass

if __name__ == '__main__':
    Sample.main(sys.argv[1:])
```

PHP

```java theme={"theme":{"light":"github-light","dark":"github-dark"}}
<?php

// This file is auto-generated, don't edit it. Thanks.
namespace AlibabaCloud\SDK\Sample;

use AlibabaCloud\SDK\Dingtalk\Vstorage_1_0\Dingtalk;
use \Exception;
use AlibabaCloud\Tea\Exception\TeaError;
use AlibabaCloud\Tea\Utils\Utils;

use Darabonba\OpenApi\Models\Config;
use AlibabaCloud\SDK\Dingtalk\Vstorage_1_0\Models\GetDentryOpenInfoHeaders;
use AlibabaCloud\SDK\Dingtalk\Vstorage_1_0\Models\GetDentryOpenInfoRequest\option;
use AlibabaCloud\SDK\Dingtalk\Vstorage_1_0\Models\GetDentryOpenInfoRequest;
use AlibabaCloud\Tea\Utils\Utils\RuntimeOptions;

class Sample {

    /**
     * Initialize the account Client with a Token
     * @return Dingtalk Client
     */
    public static function createClient(){
        $config = new Config([]);
        $config->protocol = "https";
        $config->regionId = "central";
        return new Dingtalk($config);
    }

    /**
     * @param string[] $args
     * @return void
     */
    public static function main($args){
        $client = self::createClient();
        $getDentryOpenInfoHeaders = new GetDentryOpenInfoHeaders([]);
        $getDentryOpenInfoHeaders->xAcsDingtalkAccessToken = "<your access token>";
        $option = new option([
            "version" => 1,
            "type" => "PREVIEW",
            "waterMark" => true,
            "checkLogin" => true
        ]);
        $getDentryOpenInfoRequest = new GetDentryOpenInfoRequest([
            "unionId" => "chyxxxxx",
            "option" => $option
        ]);
        try {
            $client->getDentryOpenInfoWithOptions("854xxxxx", "989xxxxx", $getDentryOpenInfoRequest, $getDentryOpenInfoHeaders, new RuntimeOptions([]));
        }
        catch (Exception $err) {
            if (!($err instanceof TeaError)) {
                $err = new TeaError([], $err->getMessage(), $err->getCode(), $err);
            }
            if (!Utils::empty_($err->code) && !Utils::empty_($err->message)) {
                // err contains code and message attributes that help locate issues during development
            }
        }
    }
}
$path = __DIR__ . \DIRECTORY_SEPARATOR . '..' . \DIRECTORY_SEPARATOR . 'vendor' . \DIRECTORY_SEPARATOR . 'autoload.php';
if (file_exists($path)) {
    require_once $path;
}
Sample::main(array_slice($argv, 1));
```

Go

```go theme={"theme":{"light":"github-light","dark":"github-dark"}}
package main

import (
  "encoding/json"
  "strings"
  "fmt"
  "os"
  util  "github.com/alibabacloud-go/tea-utils/v2/service"
  dingtalkstorage_1_0  "github.com/alibabacloud-go/dingtalk/storage_1_0"
  openapi  "github.com/alibabacloud-go/darabonba-openapi/v2/client"
  "github.com/alibabacloud-go/tea/tea"
)

// Description:
// 
// Initialize the account Client with a Token
// 
// @return Client
// 
// @throws Exception
func CreateClient () (_result *dingtalkstorage_1_0.Client, _err error) {
  config := &openapi.Config{}
  config.Protocol = tea.String("https")
  config.RegionId = tea.String("central")
  _result = &dingtalkstorage_1_0.Client{}
  _result, _err = dingtalkstorage_1_0.NewClient(config)
  return _result, _err
}

func _main (args []*string) (_err error) {
  client, _err := CreateClient()
  if _err != nil {
    return _err
  }

  getDentryOpenInfoHeaders := &dingtalkstorage_1_0.GetDentryOpenInfoHeaders{}
  getDentryOpenInfoHeaders.XAcsDingtalkAccessToken = tea.String("<your access token>")
  option := &dingtalkstorage_1_0.GetDentryOpenInfoRequestOption{
    Version: tea.Int64(1),
    Type: tea.String("PREVIEW"),
    WaterMark: tea.Bool(true),
    CheckLogin: tea.Bool(true),
  }
  getDentryOpenInfoRequest := &dingtalkstorage_1_0.GetDentryOpenInfoRequest{
    UnionId: tea.String("chyxxxxx"),
    Option: option,
  }
  tryErr := func()(_e error) {
    defer func() {
      if r := tea.Recover(recover()); r != nil {
        _e = r
      }
    }()
    _, _err = client.GetDentryOpenInfoWithOptions(tea.String("854xxxxx"), tea.String("989xxxxx"), getDentryOpenInfoRequest, getDentryOpenInfoHeaders, &util.RuntimeOptions{})
    if _err != nil {
      return _err
    }

    return nil
  }()

  if tryErr != nil {
    var err = &tea.SDKError{}
    if _t, ok := tryErr.(*tea.SDKError); ok {
      err = _t
    } else {
      err.Message = tea.String(tryErr.Error())
    }
    if !tea.BoolValue(util.Empty(err.Code)) && !tea.BoolValue(util.Empty(err.Message)) {
      // err contains code and message attributes that help locate issues during development
    }

  }
  return _err
}

func main() {
  err := _main(tea.StringSlice(os.Args[1:]))
  if err != nil {
    panic(err)
  }
}
```

Node.js

```text theme={"theme":{"light":"github-light","dark":"github-dark"}}
'use strict';
// This file is auto-generated, don't edit it
const Util = require('@alicloud/tea-util');
const dingtalkstorage_1_0 = require('@alicloud/dingtalk/storage_1_0');
const OpenApi = require('@alicloud/openapi-client');
const Tea = require('@alicloud/tea-typescript');

class Client {

  /**
   * Initialize the account Client with a Token
   * @return Client
   * @throws Exception
   */
  static createClient() {
    let config = new OpenApi.Config({ });
    config.protocol = 'https';
    config.regionId = 'central';
    return new dingtalkstorage_1_0.default(config);
  }

  static async main(args) {
    let client = Client.createClient();
    let getDentryOpenInfoHeaders = new dingtalkstorage_1_0.GetDentryOpenInfoHeaders({ });
    getDentryOpenInfoHeaders.xAcsDingtalkAccessToken = '<your access token>';
    let option = new dingtalkstorage_1_0.GetDentryOpenInfoRequestOption({
      version: 1,
      type: 'PREVIEW',
      waterMark: true,
      checkLogin: true,
    });
    let getDentryOpenInfoRequest = new dingtalkstorage_1_0.GetDentryOpenInfoRequest({
      unionId: 'chyxxxxx',
      option: option,
    });
    try {
      await client.getDentryOpenInfoWithOptions('854xxxxx', '989xxxxx', getDentryOpenInfoRequest, getDentryOpenInfoHeaders, new Util.RuntimeOptions({ }));
    } catch (err) {
      if (!Util.default.empty(err.code) && !Util.default.empty(err.message)) {
        // err contains code and message attributes that help locate issues during development
      }

    }    
  }

}

exports.Client = Client;
Client.main(process.argv.slice(2));
```

C#

```java theme={"theme":{"light":"github-light","dark":"github-dark"}}
using Newtonsoft.Json;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;

using Tea;
using Tea.Utils;

namespace AlibabaCloud.SDK.Sample
{
    public class Sample 
    {

        /// <term><b>Description:</b></term>
        /// <description>
        /// <para>Initialize the account Client with a Token</para>
        /// </description>
        /// 
        /// <returns>
        /// Client
        /// </returns>
        /// 
        /// <term><b>Exception:</b></term>
        /// Exception
        public static AlibabaCloud.SDK.Dingtalkstorage_1_0.Client CreateClient()
        {
            AlibabaCloud.OpenApiClient.Models.Config config = new AlibabaCloud.OpenApiClient.Models.Config();
            config.Protocol = "https";
            config.RegionId = "central";
            return new AlibabaCloud.SDK.Dingtalkstorage_1_0.Client(config);
        }

        public static void Main(string[] args)
        {
            AlibabaCloud.SDK.Dingtalkstorage_1_0.Client client = CreateClient();
            AlibabaCloud.SDK.Dingtalkstorage_1_0.Models.GetDentryOpenInfoHeaders getDentryOpenInfoHeaders = new AlibabaCloud.SDK.Dingtalkstorage_1_0.Models.GetDentryOpenInfoHeaders();
            getDentryOpenInfoHeaders.XAcsDingtalkAccessToken = "<your access token>";
            AlibabaCloud.SDK.Dingtalkstorage_1_0.Models.GetDentryOpenInfoRequest.GetDentryOpenInfoRequestOption option = new AlibabaCloud.SDK.Dingtalkstorage_1_0.Models.GetDentryOpenInfoRequest.GetDentryOpenInfoRequestOption
            {
                Version = 1,
                Type = "PREVIEW",
                WaterMark = true,
                CheckLogin = true,
            };
            AlibabaCloud.SDK.Dingtalkstorage_1_0.Models.GetDentryOpenInfoRequest getDentryOpenInfoRequest = new AlibabaCloud.SDK.Dingtalkstorage_1_0.Models.GetDentryOpenInfoRequest
            {
                UnionId = "chyxxxxx",
                Option = option,
            };
            try
            {
                client.GetDentryOpenInfoWithOptions("854xxxxx", "989xxxxx", getDentryOpenInfoRequest, getDentryOpenInfoHeaders, new AlibabaCloud.TeaUtil.Models.RuntimeOptions());
            }
            catch (TeaException err)
            {
                if (!AlibabaCloud.TeaUtil.Common.Empty(err.Code) && !AlibabaCloud.TeaUtil.Common.Empty(err.Message))
                {
                    // err contains code and message attributes that help locate issues during development
                }
            }
            catch (Exception _err)
            {
                TeaException err = new TeaException(new Dictionary<string, object>
                {
                    { "message", _err.Message }
                });
                if (!AlibabaCloud.TeaUtil.Common.Empty(err.Code) && !AlibabaCloud.TeaUtil.Common.Empty(err.Message))
                {
                    // err contains code and message attributes that help locate issues during development
                }
            }
        }

    }
}
```

## Response

### Response body

| Name         | Type    | Description                                                                            |
| ------------ | ------- | -------------------------------------------------------------------------------------- |
| url          | String  | The file link.                                                                         |
| hasWaterMark | Boolean | Whether watermarks are supported:   - **true**: Supported. - **false**: Not supported. |

### Response body example

```text theme={"theme":{"light":"github-light","dark":"github-dark"}}
HTTP/1.1 200 OK
Content-Type:application/json

{
  "url" : "url",
  "hasWaterMark" : true
}
```

### Error codes

If an error is returned when calling this API, look up the error message in the [Global error codes](/open/development/server-api-error-codes-1) document to find a solution.

| HttpCode | Error code                | Error message | Description                                     |
| -------- | ------------------------- | ------------- | ----------------------------------------------- |
| 400      | paramError                | %s            | Parameter error.                                |
| 400      | paramError.spaceId        | %s            | Parameter error - spaceId.                      |
| 400      | paramError.dentryId       | %s            | Parameter error - dentryId.                     |
| 400      | paramError.openType       | %s            | Parameter error - openType.                     |
| 400      | dentryEditNotSupport      | %s            | The file does not support editing.              |
| 400      | dentryPreviewNotSupport   | %s            | The file does not support previewing.           |
| 400      | dentryExtensionNotSupport | %s            | The file extension is not supported.            |
| 400      | fileViral                 | %s            | Virus file.                                     |
| 400      | fileMalicious             | %s            | Malicious file.                                 |
| 403      | permissionDenied          | %s            | The user lacks the permission to read the file. |
| 404      | spaceNotExist             | %s            | The space does not exist.                       |
| 404      | dentryNotExist            | %s            | The file does not exist.                        |
| 500      | systemError               | %s            | System error.                                   |
| 500      | unknownError              | Unknown Error | Unknown error.                                  |
| 503      | operationTimeout          | %s            | Request timed out.                              |