Chilkat Examples

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Tcl Web API Examples

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(Tcl) UPS OAuth2 Client Credentials

See more UPS Examples

Get an OAuth2 access token for the UPS REST API using the client credentials flow (no interactivity with a web browser required).

For more information, see https://developer.ups.com/api/reference?loc=en_US#tag/OAuthClientCredentials_other

Chilkat Tcl Extension Downloads

Chilkat Tcl Extension Downloads

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]

# Implements the following CURL command:

# curl -i -X POST \
#   -u 2498righ8wr6aihe98rt8rhowirtyw9er6twe80rtywrehrt:nerf254578uh8rgt7y3h57358ouyth387h8h53h6yyh80hh578per9y7u5ruyuy4 \
#   https://wwwcie.ups.com/security/v1/oauth/token \
#   -H 'Content-Type: application/x-www-form-urlencoded' \
#   -H 'x-merchant-id: 7B3027' \
#   -d grant_type=client_credentials

# Use the following online tool to generate HTTP code from a CURL command
# Convert a cURL Command to HTTP Source Code

CkHttp_put_BasicAuth $http 1
CkHttp_put_Login $http "2498righ8wr6aihe98rt8rhowirtyw9er6twe80rtywrehrt"
CkHttp_put_Password $http "nerf254578uh8rgt7y3h57358ouyth387h8h53h6yyh80hh578per9y7u5ruyuy4"

set req [new_CkHttpRequest]

CkHttpRequest_AddParam $req "grant_type" "client_credentials"

CkHttpRequest_AddHeader $req "x-merchant-id" "7B3027"

# resp is a CkHttpResponse
set resp [CkHttp_PostUrlEncoded $http "https://wwwcie.ups.com/security/v1/oauth/token" $req]
if {[CkHttp_get_LastMethodSuccess $http] == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    delete_CkHttpRequest $req
    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_CkHttpRequest $req
    delete_CkStringBuilder $sbResponseBody
    delete_CkJsonObject $jResp
    exit
}

delete_CkHttpResponse $resp

# Save the OAuth2 access token for other examples to use.
CkJsonObject_WriteFile $jResp "qa_data/tokens/ups_oauth2_token.json"

# If successful, the OAuth2 access token JSON looks like this:

# {
#   "token_type": "Bearer",
#   "issued_at": "1686911985606",
#   "client_id": "2498righ8wr6aihe98rt8rhowirtyw9er6twe80rtywrehrt",
#   "access_token": "eyJraW......R2sbqrY",
#   "expires_in": "14399",
#   "status": "approved"
# }

set token_type [CkJsonObject_stringOf $jResp "token_type"]
set issued_at [CkJsonObject_stringOf $jResp "issued_at"]
set client_id [CkJsonObject_stringOf $jResp "client_id"]
set access_token [CkJsonObject_stringOf $jResp "access_token"]
set expires_in [CkJsonObject_stringOf $jResp "expires_in"]
set status [CkJsonObject_stringOf $jResp "status"]

delete_CkHttp $http
delete_CkHttpRequest $req
delete_CkStringBuilder $sbResponseBody
delete_CkJsonObject $jResp

 

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