(Tcl) Create a Temporary Public Link to a DropBox File

Get a temporary link to stream content of a file. This link will expire in four hours and afterwards you will get 410 Gone.

For more information, see https://www.dropbox.com/developers/documentation/http/documentation#files-get_temporary_link

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 -X POST https://api.dropboxapi.com/2/files/get_temporary_link \
#     --header "Authorization: Bearer DROPBOX_ACCESS_TOKEN" \
#     --header "Content-Type: application/json" \
#     --data "{\"path\": \"/video.mp4\"}"

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

# The following JSON is sent in the request body.

# {
#   "path": "/video.mp4"
# }

set json [new_CkJsonObject]

CkJsonObject_UpdateString $json "path" "/video.mp4"

CkHttp_SetRequestHeader $http "Authorization" "Bearer DROPBOX_ACCESS_TOKEN"
CkHttp_SetRequestHeader $http "Content-Type" "application/json"

# resp is a CkHttpResponse
set resp [CkHttp_PostJson3 $http "https://api.dropboxapi.com/2/files/get_temporary_link" "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)

# {
#   "metadata": {
#     "name": "Prime_Numbers.txt",
#     "id": "id:a4ayc_80_OEAAAAAAAAAXw",
#     "client_modified": "2015-05-12T15:50:38Z",
#     "server_modified": "2015-05-12T15:50:38Z",
#     "rev": "a1c10ce0dd78",
#     "size": 7212,
#     "path_lower": "/homework/math/prime_numbers.txt",
#     "path_display": "/Homework/math/Prime_Numbers.txt",
#     "sharing_info": {
#       "read_only": true,
#       "parent_shared_folder_id": "84528192421",
#       "modified_by": "dbid:AAH4f99T0taONIb-OurWxbNQ6ywGRopQngc"
#     },
#     "is_downloadable": true,
#     "property_groups": [
#       {
#         "template_id": "ptid:1a5n2i6d3OYEAAAAAAAAAYa",
#         "fields": [
#           {
#             "name": "Security Policy",
#             "value": "Confidential"
#           }
#         ]
#       }
#     ],
#     "has_explicit_shared_members": false,
#     "content_hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
#   },
#   "link": "https://dl.dropboxusercontent.com/apitl/1/YXNkZmFzZGcyMzQyMzI0NjU2NDU2NDU2"
# }

# 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 metadataName [CkJsonObject_stringOf $jResp "metadata.name"]
set metadataId [CkJsonObject_stringOf $jResp "metadata.id"]
set metadataClient_modified [CkJsonObject_stringOf $jResp "metadata.client_modified"]
set metadataServer_modified [CkJsonObject_stringOf $jResp "metadata.server_modified"]
set metadataRev [CkJsonObject_stringOf $jResp "metadata.rev"]
set metadataSize [CkJsonObject_IntOf $jResp "metadata.size"]
set metadataPath_lower [CkJsonObject_stringOf $jResp "metadata.path_lower"]
set metadataPath_display [CkJsonObject_stringOf $jResp "metadata.path_display"]
set metadataSharing_infoRead_only [CkJsonObject_BoolOf $jResp "metadata.sharing_info.read_only"]
set metadataSharing_infoParent_shared_folder_id [CkJsonObject_stringOf $jResp "metadata.sharing_info.parent_shared_folder_id"]
set metadataSharing_infoModified_by [CkJsonObject_stringOf $jResp "metadata.sharing_info.modified_by"]
set metadataIs_downloadable [CkJsonObject_BoolOf $jResp "metadata.is_downloadable"]
set metadataHas_explicit_shared_members [CkJsonObject_BoolOf $jResp "metadata.has_explicit_shared_members"]
set metadataContent_hash [CkJsonObject_stringOf $jResp "metadata.content_hash"]
set link [CkJsonObject_stringOf $jResp "link"]
set i 0
set count_i [CkJsonObject_SizeOfArray $jResp "metadata.property_groups"]
while {$i < $count_i} {
    CkJsonObject_put_I $jResp $i
    set template_id [CkJsonObject_stringOf $jResp "metadata.property_groups[i].template_id"]
    set j 0
    set count_j [CkJsonObject_SizeOfArray $jResp "metadata.property_groups[i].fields"]
    while {$j < $count_j} {
        CkJsonObject_put_J $jResp $j
        set name [CkJsonObject_stringOf $jResp "metadata.property_groups[i].fields[j].name"]
        set value [CkJsonObject_stringOf $jResp "metadata.property_groups[i].fields[j].value"]
        set j [expr $j + 1]
    }
    set i [expr $i + 1]
}

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