Create OAuth Communication System and User
You will learn
- How to create a communication system and user in S/4HANA Cloud for SAP Web IDE
- How to enable this communication system for OAuth
This tutorial focuses on creating an OAuth communication system. To create such an OAuth communication system, you must insert the link address from SAP Cloud Platform, add your host name, edit and upload a certificate so that the S/4HANA system trusts your SAP Cloud Platform subaccount.
Step 1: Open communication system application
Navigate to Communication Systems tile to start the application.
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Step 2: Create communication system
Create a new communication system by clicking New.
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Step 3: Add system ID and system name
By adding a system ID, system name and clicking Create, you are able to register a new communication system.
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Step 4: Get SAP Web IDE URL
Switch to your SAP Cloud Platform cockpit, go to Services and select SAP Web IDE. Copy the link address of Go to Service, paste it to some text editor and remove https:// from that SAP Web IDE’s URL. This will be needed in the creation process of the communication system.
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Step 5: Set SAP Web IDE URL as host name
Switch back to the communication system maintenance in SAP S/4HANA Cloud system. Set SAP Web IDE’s URL without https:// that you got before as Host Name of the communication system.
[DONE]
Step 6: Add inbound communication user to system
Click + to add a user for inbound communication. Inbound communication means that the here defined system is used from a communication partner to call from external into the S/4HANA system. Doing this, the user that will be added next has to be used to get authorized.
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Step 7: Create communication user
Click New User to create one.
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Step 8: Add user data and password
Enter a user name and description for your user. Give your user a password and click Create.
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Step 9: Confirm user to add
The new user will be generated by clicking OK.
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Step 10: Get SAP Cloud Platform subaccount's signing certificate
Switch to your SAP Cloud Platform subaccount. Open trust settings, copy all data from the Signing Certificate field ( in windows: click inside and press CTRL+a) and paste it to some text editor.
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Step 11: Create certificate file
- In the text editor file that you pasted SAP Cloud Platform subaccount’s signing certificate into before, add a line with value “
-----BEGIN CERTIFICATE-----” in front of the-----END CERTIFICATE-----” after.swift
Copy
-----BEGIN CERTIFICATE----------END CERTIFICATE-----
- Save your changes as
.cerfile.
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Step 12: Upload signing certificate to communication system
Go back to your SAP S/4HANA Cloud system and open your created communication system draft. Edit your draft and enable it for OAuth 2.0 by checking the enabled box. Then upload the certificate by clicking upload signing certificate. Take the provider name from the CN attribute of the Signing certificate subject, that appears after upload and enter it as the provider name. Click Save.
With this step, you’ve uploaded your certificate to your communication system. Now your S/4HANA system trusts your SAP Cloud Platform subaccount.
完成
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Step 13: Test yourself
Where do you get the link for your host name? communication system communication arrangement Go to service (SAP Cloud Platform)