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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
png
 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
png
 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 22 added 12 lines
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}
}}}\\
\\
At line 24 changed one line
__Section 2.__\\
!!Section 2.\\
At line 26 changed one line
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. \\
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.\\
At line 30 changed one line
Set the difference to zero if less than zero.\\
Set the difference to zero if it is less than zero.\\
At line 34 changed one line
Check if the difference is less than two days.\\
Verify if the difference is less than two days.\\
At line 50 added 120 lines
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
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« This page (revision-79) was last changed on 07-Oct-2024 05:07 by krivacsz
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