# Authorization Process Technical Notes

# I. Overview

# (1) Overall explaination

(1) The small procedures involved in this article or Official Account message template Technical implementation processes licensed to third-party platforms are only applicable to platform-based third-party platforms and are not applicable to customized third-party platforms.

2. At present, three kinds of authorization methods are provided, namely, PC version scan code authorization, H5 version authorization and Mini Program plug-in license. Developers can choose the appropriate authorization mode according to their own business situation.

3, the service provider to obtain business authorization is the basis of "service providers to provide services for businesses," the service provider can build an authorization link and authorization code in accordance with the document below. You can also obtain the authorization link and authorization code automatically generated by the system through "one-click deployment of officially provided third-party platform cloud services."

4, to complete a complete authorization, the need for the cooperation of service providers and businesses, the relevant processes are as follows.

# (2) Self-built authorization links

Step 1, go to WeChat open platform - third-party platform - details - development configuration, complete the permission set and development information configuration.

Step 2: Call the interface to obtain the pre-authorization code (pre_auth_Code), for interface details, please check theapi_create_preauthcode

Step 3: Prepare “Authorization Callback URI, and then generate the authorization QR code on the PC side or the authorization link on the mobile side in accordance with the official documentation rules, please see the instructions below for details

Step 4, Official Account message template/The Mini Program administrator scans the code or visits the mobile authorization link to confirm that he agrees to authorize the third-party platform. (If the third-party platform account has not yet been released across the network, you need to first use the Official Account message template Or Mini Program to join the third-party platform - the development of information “Authorization test Official Account message template/List of Mini Programs” 。 ）

Step 5. After the administrator authorization is confirmed, the authorization page will automatically jump into the callback URI, and in the URL Returns the authorization code and expiration time in the(redirect_url?auth_code=xxx&expires_in=600)。

Step six, call interface generationauthorizer_access_TokenAnd then use that token to call the Official Account message template or Mini Program's associated API。

# (3) Use official cloud services to generate authorization links

Step 1, create a third-party platform account to choose the cloud service, and then a key deployment, a key configuration, to complete the construction.

Step two, go to the "service provider micro-butler" - butler center - authorization link generator, you can copy the authorization link and authorization code that has been generated. The remaining steps, as above.

# (4) Additional Notes

• What service providers can call on behalf of the merchant API, depending on which set of permissions the merchant has granted to the service provider, and also depending on which interface permissions the Official Account message template or Mini Program itself has, use JS SDK And other capabilities.

• If the merchant needs to deauthorize, you need to log inWeChat Official PlatformTo operateThird-party service providers are not currently supported for active de-authorization.

• If the Mini Program/Official Account message template The administrator only wants to cancel the authorization of the individual permission set of the service provider, then you can re-scan the code to enter the authorization page, and then customize the permission set and re-authorize it. (If you are a Mini Program merchant, you can go toWeChat Official Platform - Settings - Third Party Settings - Management Authorization, enter the Update Authorization page to cancel part of the authorization can be)

• When the new permission set is officially opened, service providers can go to third-party platforms to add new permissions to meet new business needs. The Revised Newly Authorized Official Account message template/An application that adds new permissions when an Mini Program is authorizedAlready authorized old users, the old permissions are not affected, but the new permission set needs to be re-scanned by the merchant to upgrade the authorization.

• Permission sets can only be granted to Official Account message template Or ordinary Mini programs and small stores, other types of accounts are temporarily not supported. Can be accessed throughapi_get_authorizer_infoCheck the type of account.

# II. Methods for Building Authorized Links

# 1, authorization link parameter explaination

# 2, authorization list page logic explaination

• When the merchant enters the account list displayed on the authorized account list page, in addition to being affected by the "authorization parameters," it is also related to the configuration of the third-party platform account and the role of the WeChat account user.

# 3, different types of authorization link use scenarios

# 4, authorized link splicing mode

# 5, plug-in version of the use

• You need to apply for the "Vendor Component" before you can use the Plug-in Version License Page. For more instructions on the Mini Program Vendor Component, please check[https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/2.0/product/Register_Mini_Programs/The beta_mp_plugin.html](https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/2.0/product/Register_Mini_Programs/The beta_mp_plugin.html)。

# Code Examples

const MiniprogramThirdpartyPlugin = requirePlugin('miniprogram-thirdparty-plugin')  

// to initialize 
MiniprogramThirdpartyPlugin.init(wx)  

// Request User Authorization 
MiniprogramThirdpartyPlugin.openAuthorizeAccount({
   platformAppID: '', 
   preAuthCode：，//Preauthorization code obtained
   authType：3， 
   bizAppid: wxxxxxxxxx,//Non-mandatory field, please see the end of the article for parameter details
   }) 

# Plug-in version parameter explaination

# III. Steps for the Use of Merchants

• Can go toAuthorization Related OperationsFor viewing.