(Tcl) OneDrive -- Download Text File to Memory

Downloads a text file (such as XML, JSON, plain-text, HTML, etc.) into a StringBuilder object.

Note: This example requires Chilkat v9.5.0.97 or greater.

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load ./chilkat.dll

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

# This example uses the OAuth client credentials flow.
# See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

# Use your client ID, client secret, and tenant ID in the following lines
set json [new_CkJsonObject]

CkJsonObject_UpdateString $json "client_id" "2871da2c-8176-4b7f-869b-2311aa82e743"
CkJsonObject_UpdateString $json "client_secret" "2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH"
CkJsonObject_UpdateString $json "scope" "https://graph.microsoft.com/.default"
CkJsonObject_UpdateString $json "token_endpoint" "https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token"

set http [new_CkHttp]

CkHttp_put_AuthToken $http [CkJsonObject_emit $json]

# Sends the following GET request:
# GET https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{item-path}:/content

# Make sure to automatically follow redirects
CkHttp_put_FollowRedirects $http 1

# This example will download /Misc/hamlet.xml
CkHttp_SetUrlVar $http "item_path" "Misc/hamlet.xml"
CkHttp_SetUrlVar $http "user_id" "4fe732c3-322e-4a6b-b729-2fd1eb5c6104"

set sbXml [new_CkStringBuilder]

set expectedCharset "utf-8"
set url "https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{$item_path}:/content"
set success [CkHttp_DownloadSb $http $url $expectedCharset $sbXml]
if {[CkHttp_get_LastMethodSuccess $http] != 1} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkJsonObject $json
    delete_CkHttp $http
    delete_CkStringBuilder $sbXml
    exit
}

# If the response status code was not 200, then it failed.
if {[CkHttp_get_LastStatus $http] != 200} then {
    puts "Response Status Code = [CkHttp_get_LastStatus $http]"
    puts "Failed."
    delete_CkJsonObject $json
    delete_CkHttp $http
    delete_CkStringBuilder $sbXml
    exit
}

# If we got here, then the file was successfully downloaded.
puts "Download from OneDrive successful."
puts "The file is contained in sbXml."

delete_CkJsonObject $json
delete_CkHttp $http
delete_CkStringBuilder $sbXml