(Tcl) Shopware 6 - Get OAuth2 Access Token using Username and Password

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Demonstrates how to get an OAuth2 access token using your username and password.

For more information, see https://docs.shopware.com/en/shopware-platform-dev-en/admin-api-guide/authentication

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load ./chilkat.dll

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

set http [new_CkHttp]

# Sends the following POST

# 	{
# 	    "client_id": "administration",
# 	    "grant_type": "password",
# 	    "scopes": "write",
# 	    "username": "<user-username>",
# 	    "password": "<user-password>"
# 	}

# Use this online tool to generate code from sample JSON:
# Generate Code to Create JSON

# The following JSON is sent in the request body.

set json [new_CkJsonObject]

CkJsonObject_UpdateString $json "client_id" "administration"
CkJsonObject_UpdateString $json "grant_type" "password"
CkJsonObject_UpdateString $json "scopes" "write"
CkJsonObject_UpdateString $json "username" "<user-username>"
CkJsonObject_UpdateString $json "password" "<user-password>"

# resp is a CkHttpResponse
set resp [CkHttp_PostJson3 $http "https://my-shopware-6-shop.de/api/oauth/token" "application/json" $json]
if {[CkHttp_get_LastMethodSuccess $http] == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    delete_CkJsonObject $json
    exit
}

set sbResponseBody [new_CkStringBuilder]

CkHttpResponse_GetBodySb $resp $sbResponseBody
set jResp [new_CkJsonObject]

CkJsonObject_LoadSb $jResp $sbResponseBody
CkJsonObject_put_EmitCompact $jResp 0

puts "Response Body:"
puts [CkJsonObject_emit $jResp]

set respStatusCode [CkHttpResponse_get_StatusCode $resp]
puts "Response Status Code = $respStatusCode"
if {$respStatusCode >= 400} then {
    puts "Response Header:"
    puts [CkHttpResponse_header $resp]
    puts "Failed."
    delete_CkHttpResponse $resp

    delete_CkHttp $http
    delete_CkJsonObject $json
    delete_CkStringBuilder $sbResponseBody
    delete_CkJsonObject $jResp
    exit
}

delete_CkHttpResponse $resp

# Sample JSON response:
# (Sample code for parsing the JSON response is shown below)

# {
#   "token_type": "Bearer",
#   "expires_in": 600,
#   "access_token": "xxxxxxxxxxxxxx",
#   "refresh_token": "token"
# }

# Sample code for parsing the JSON response...
# Use the following online tool to generate parsing code from sample JSON:
# Generate Parsing Code from JSON

set token_type [CkJsonObject_stringOf $jResp "token_type"]
set expires_in [CkJsonObject_IntOf $jResp "expires_in"]
set access_token [CkJsonObject_stringOf $jResp "access_token"]
set refresh_token [CkJsonObject_stringOf $jResp "refresh_token"]

# Save our JSON to a file (to be used in other examples..)
set success [CkJsonObject_WriteFile $jResp "qa_data/tokens/shopware6.json"]

delete_CkHttp $http
delete_CkJsonObject $json
delete_CkStringBuilder $sbResponseBody
delete_CkJsonObject $jResp