Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3/4TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

Tcl Examples

Web API Categories

ASN.1
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Service Bus
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Compression
DKIM / DomainKey
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
ECC
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
Geolocation
Google APIs
Google Calendar
Google Cloud Storage
Google Drive
Google Photos
Google Sheets
Google Tasks
Gzip
HTML-to-XML/Text

HTTP
HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)
MHT / HTML Email
MIME
Microsoft Graph
NTLM
OAuth1
OAuth2
OneDrive
OpenSSL
Outlook
PEM
PFX/P12
POP3
PRNG
REST
REST Misc
RSA
SCP
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
SharePoint
Socket/SSL/TLS
Spider
Stream
Tar Archive
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl

 

 

 

(Tcl) Upload In-Memory Binary Data to Google Cloud Storage

Demonstrates how to upload in-memory binary data to Google Cloud Storage.

Note: This example requires Chilkat v9.5.0.69 or later because it uses the http.PBinaryBd method.

Chilkat Tcl Extension Downloads

Chilkat Tcl Extension Downloads

load ./chilkat.dll

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

#  This example uses a previously obtained access token having permission for the
#  scope "https://www.googleapis.com/auth/cloud-platform"

#  In this example, Get Google Cloud Storage OAuth2 Access Token,
#  the service account access token was saved to a text file.  This example fetches the access token from the file..
set sbToken [new_CkStringBuilder]

CkStringBuilder_LoadFile $sbToken "qa_data/tokens/googleCloudStorageAccessToken.txt" "utf-8"

#  Send a POST equivalent to this curl command.
#  The content of the file is contained in the request body.

#  curl -X POST --data-binary @[OBJECT] \
#      -H "Authorization: Bearer [OAUTH2_TOKEN]" \
#      -H "Content-Type: [OBJECT_CONTENT_TYPE]" \
#      "https://www.googleapis.com/upload/storage/v1/b/[BUCKET_NAME]/o?uploadType=media&name=[OBJECT_NAME]"

set http [new_CkHttp]

#  Download a JPG image from the Internet, and then upload this JPG to
#  a Google Storage bucket.
set jpgUrl "https://www.chilkatsoft.com/images/starfish.jpg"

set jpgData [new_CkBinData]

set success [CkHttp_DownloadBd $http $jpgUrl $jpgData]
if {[expr $success != 1]} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkStringBuilder $sbToken
    delete_CkHttp $http
    delete_CkBinData $jpgData
    exit
}

CkHttp_put_AuthToken $http [CkStringBuilder_getAsString $sbToken]

#  Construct a URL to upload to an object named "starfish.jpg" in the "chilkat-ocean" bucket.
CkHttp_SetUrlVar $http "bucket_name" "chilkat-ocean"
CkHttp_SetUrlVar $http "object_name" "starfish.jpg"
set url "https://www.googleapis.com/upload/storage/v1/b/{$bucket_name}/o?uploadType=media&name={$object_name}"

#  Note: The PBinaryBd method first appears in Chilkat v9.5.0.69
# resp is a CkHttpResponse
set resp [CkHttp_PBinaryBd $http "POST" $url $jpgData "image/jpeg" 0 0]
if {[expr [CkHttp_get_LastMethodSuccess $http] == 0]} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkStringBuilder $sbToken
    delete_CkHttp $http
    delete_CkBinData $jpgData
    exit
}

set responseCode [CkHttpResponse_get_StatusCode $resp]
if {[expr $responseCode == 401]} then {
    puts [CkHttpResponse_bodyStr $resp]
    puts "If invalid credentials, then it is likely the access token expired."
    puts "Your app should automatically fetch a new access token and re-try."
    delete_CkHttpResponse $resp

    delete_CkStringBuilder $sbToken
    delete_CkHttp $http
    delete_CkBinData $jpgData
    exit
}

puts "Response code: $responseCode"
puts "Response body"
puts [CkHttpResponse_bodyStr $resp]

#  A successful response looks like this:
#  Response code: 200
#  Response body
#  {
#   "kind": "storage#object",
#   "id": "chilkat-ocean/starfish.jpg/1502670320090292",
#   "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/starfish.jpg",
#   "name": "starfish.jpg",
#   "bucket": "chilkat-ocean",
#   "generation": "1502670320090292",
#   "metageneration": "1",
#   "contentType": "image/jpeg",
#   "timeCreated": "2017-08-14T00:25:20.040Z",
#   "updated": "2017-08-14T00:25:20.040Z",
#   "storageClass": "MULTI_REGIONAL",
#   "timeStorageClassUpdated": "2017-08-14T00:25:20.040Z",
#   "size": "6229",
#   "md5Hash": "LpxZ2/JmI2fcl9/dqF2gSA==",
#   "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/starfish.jpg?generation=1502670320090292&alt=media",
#   "crc32c": "9RjgwQ==",
#   "etag": "CLT5kpW71dUCEAE="
#  }

delete_CkHttpResponse $resp


delete_CkStringBuilder $sbToken
delete_CkHttp $http
delete_CkBinData $jpgData

 

© 2000-2019 Chilkat Software, Inc. All Rights Reserved.