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Kind Attachment Name Size Version Date Modified Author Change note
png
 azure_blob_user_delegation_set... 133.7 kB 1 04-Oct-2024 04:55 krivacsz
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 azure_oauth_2_data.png 175.6 kB 2 05-Oct-2024 01:47 krivacsz
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 check_aouth2_http_response.png 153.5 kB 1 05-Oct-2024 01:56 krivacsz
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 check_azure_refresh_token.png 162.1 kB 1 05-Oct-2024 01:13 krivacsz
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 check_if_difference_is_less_th... 150.8 kB 1 04-Oct-2024 08:28 krivacsz
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 check_persist_variable.png 166.4 kB 1 05-Oct-2024 01:05 krivacsz
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 check_response_code_user_deleg... 153.3 kB 1 05-Oct-2024 03:33 krivacsz
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 construct_azure_sas_token.png 207.5 kB 1 05-Oct-2024 03:47 krivacsz
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 default_failure_task.png 70.6 kB 2 05-Oct-2024 03:59 krivacsz
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 file_parse_azure_vfs_file.png 99.1 kB 1 04-Oct-2024 08:09 krivacsz
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 find_azure_vfs_file.png 143.4 kB 1 04-Oct-2024 08:05 krivacsz
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 get_azure_sas_token_info.png 181.0 kB 1 04-Oct-2024 08:12 krivacsz
xml
 job.XML 151.8 kB 1 05-Oct-2024 04:03 krivacsz
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 jump_difference_greater_then_z... 152.1 kB 1 04-Oct-2024 08:22 krivacsz
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 oauth2_http_task.png 145.6 kB 1 05-Oct-2024 01:50 krivacsz
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 renew_azure_sas_token_user_imp... 407.9 kB 1 04-Oct-2024 04:27 krivacsz
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 replace_azure_sas_token.png 104.4 kB 1 05-Oct-2024 03:51 krivacsz
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 save_azure_refresh_token.png 92.6 kB 1 05-Oct-2024 01:26 krivacsz
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 set_difference_as_zreo.png 73.9 kB 1 04-Oct-2024 08:25 krivacsz
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 user_delegation_parse_result.p... 119.4 kB 1 05-Oct-2024 03:41 krivacsz
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 user_delgation_http_call.png 159.1 kB 1 05-Oct-2024 03:31 krivacsz
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 variables_for_delegation_key_c... 184.8 kB 1 05-Oct-2024 02:02 krivacsz

This page (revision-79) was last changed on 07-Oct-2024 05:07 by krivacsz

This page was created on 04-Oct-2024 04:27 by krivacsz

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Difference between version and

At line 10 changed one line
[attachments|azure_blob_user_delegation_settings.png]\\
[attachments|Azure Integration/user_delegation_settings.png]\\
At line 12 changed one line
__Section 1.__\\
!!Section 1.\\
At line 18 added 152 lines
__!!!Configure __your user's VFS path at the Find task.\\
\\
[attachments|file_parse_azure_vfs_file.png]\\
\\
Parse the VFS XML file to retrieve the Azure SAS token expiration.\\
\\
{{{
vfs_xml = {xml_parse_start}{file_contents}{xml_parse_end}
org_sas_token = {decrypt_start}{v_0_sas_token}{decrypt_end}
se_all = {split_start:&se=:1}{org_sas_token}{split_end}
se_end_index = {indexof_start:&:0}{se_all}{indexof_end}
se = {substring_start:0:{se_end_index}}{se_all}{substring_end}
sas_token_expire = {parse_start:yyyy-MM-dd'T'HH~..~mm~..~ss'Z'}{se}{parse_end}
difference = {math_start:l}{sas_token_expire}-{now}{math_end}
}}}\\
\\
[attachments|get_azure_sas_token_info.png]\\
\\
!!Section 2.\\
\\
Verify the expiration of the SAS token and store the refresh token. The refresh token must be saved each time and stored as a persistent variable.\\
\\
[attachments|jump_difference_greater_then_zero.png]\\
\\
Set the difference to zero if it is less than zero.\\
\\
[attachments|set_difference_as_zreo.png]\\
\\
Verify if the difference is less than two days.\\
\\
[attachments|check_if_difference_is_less_then_two_day.png]\\
\\
Determine whether the persistent variable is present. On the first run, it will not exist.\\
\\
[attachments|check_persist_variable.png]\\
\\
Check for the presence of the persistent variable.\\
\\
[attachments|check_azure_refresh_token.png]\\
\\
Persist the Azure's refresh token.\\
\\
{{{
persist_azure_refresh_token = {decrypt_start}{v_0_azure_user_delegation_refresh_token}{decrypt_end}
}}}\\
\\
[attachments|save_azure_refresh_token.png]\\
\\
!!Section 3.\\
\\
This section retrieves the Access Token using the Azure Refresh Token to obtain the user delegation key.\\
\\
Construct the request body of the HTTP call.\\
\\
{{{
client_id = {decrypt_start}{v_0_azure_user_delegation_client_id}{decrypt_end}
tenant_id = {decrypt_start}{v_0_azure_user_delegation_client_tenant}{decrypt_end}
client_secret = {decrypt_start}{v_0_azure_user_delegation_client_secret}{decrypt_end}
renew_refresh_token_post_data = client_id={client_id}&client_secret={client_secret}&refresh_token={persist_azure_refresh_token}&grant_type=refresh_token
blob_storage_account_name = {url_start:user}{decrypt_start}{v_0_url}{decrypt_end}{url_end}
}}}\\
\\
[attachments|azure_oauth_2_data.png]\\
\\
Retrieve the Access Token through the HTTP Task.\\
\\
{{{
URL = https://login.microsoftonline.com/{tenant_id}/oauth2/v2.0/token
POST Data = {renew_refresh_token_post_data}
Content-Type = application/x-www-form-urlencoded
}}}
\\
[attachments|CrushTaskExample18/oauth2_http_task.png]\\
\\
Verify the HTTP response.\\
\\
[attachments|check_aouth2_http_response.png]\\
\\
Parse the HTTP response and build the request body for the HTTP call to get the delegation key. __!!! We must store the new refresh token to maintain offline access.\\
\\
{{{
response = {json_parse_start}{http_response_log}{json_parse_end}
persist_azure_refresh_token = {refresh_token}
after_6_days_in_millis = {math_start:l}{now}+518400000{math_end}
sas_start = {rparse_start:yyyy-MM-dd'T'HH~..~mm~..~ss'Z'}{yesterday}{rparse_end}
sas_end = {rparse_start:yyyy-MM-dd'T'HH~..~mm~..~ss'Z'}{after_6_days_in_millis}{rparse_end}
delegation_key_post_body = <?xml version="1.0" encoding="utf-8"?>{n}<KeyInfo>{n} <Start>{sas_start}</Start>{n} <Expiry>{sas_end}</Expiry>{n}</KeyInfo>
}}}\\
\\
[attachments|variables_for_delegation_key_call.png]\\
\\
!!Section 4.\\
\\
This section retrieves the user delegation key, constructs a new Azure SAS token, and replaces the old value with the new value in the user's VFS file.\\
\\
HTTP call to obtain the user delegation key:\\
\\
{{{
URL = https://{blob_storage_account_name}.blob.core.windows.net/?restype=service&comp=userdelegationkey
Post Data = {delegation_key_post_body}
Headers:
x-ms-version = 2022-11-02
Authorization = Bearer {access_token}
}}}\\
\\
[attachments|user_delgation_http_call.png]\\
\\
[attachments|check_response_code_user_delegation.png]\\
\\
Parse the response of the Azure User Delegation HTTP call. The response XML lacks the 'properties' type, so we include it for proper XML file parsing.\\
\\
{{{
parse_response = {xml_parse_start}{replace_start:<UserDelegationKey:<UserDelegationKey type="properties"}{http_response_log}{replace_end}{xml_parse_end}
permission = rwdl
user_delgation_key = {Value}
}}}\\
\\
[attachments|user_delegation_parse_result.png]\\
\\
Construct the Azure SAS token.\\
\\
{{{
azure_sas_string_to_sign = {permission}{n}{n}{sas_end}{n}/blob/crushftpdatalake2/folderkz{n}{SignedOid}{n}{SignedTid}{n}{SignedStart}{n}{SignedExpiry}{n}b{n}{SignedVersion}{n}{n}{n}{n}{n}https{n}{SignedVersion}{n}c{n}{n}{n}{n}{n}{n}{n}
signature = {sign_hmacsha256_start:{user_delgation_key}}{azure_sas_string_to_sign}{sign_hmacsha256_end}
azure_sas_token = sp={permission}&se={sas_end}&skoid={SignedOid}&sktid={SignedTid}&skt={SignedStart}&ske={SignedExpiry}&sks=b&skv={SignedVersion}&spr=https&sv={SignedVersion}&sr=c&sig={sign_hmacsha256_value}
azure_sas_token_encoded = {encrypt_start}{azure_sas_token}{encrypt_end}
}}}\\
\\
[attachments|construct_azure_sas_token.png]\\
\\
Swap the old Azure Sas token with the newly created one.\\
\\
{{{
Find Text = <sas_token>{v_0_sas_token}</sas_token>
Replace With = <sas_token>{azure_sas_token_encoded}</sas_token>
}}}\\
\\
[attachments|replace_azure_sas_token.png]\\
\\
!!Section 5.\\
\\
This section covers the error handling using the Default Failure Task (see at [Handling Job Failures]).
\\
[attachments|default_failure_task.png]\\
\\
Sample job.XML can be downloaded here: [attachments|job.XML]\\
\\
Version Date Modified Size Author Changes ... Change note
79 07-Oct-2024 05:07 6.753 kB krivacsz to previous
78 07-Oct-2024 05:07 6.825 kB krivacsz to previous | to last
77 07-Oct-2024 05:05 6.753 kB krivacsz to previous | to last
76 05-Oct-2024 04:02 6.746 kB krivacsz to previous | to last
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« This page (revision-79) was last changed on 07-Oct-2024 05:07 by krivacsz
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