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zcl_adf_service_blob.clas.abap
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zcl_adf_service_blob.clas.abap
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class ZCL_ADF_SERVICE_BLOB definition
public
inheriting from ZCL_ADF_SERVICE
final
create public
global friends ZCL_ADF_SERVICE_REPROCESS .
public section.
methods CREATE_APPEND_BLOB
exporting
value(EV_RESPONSE) type STRING
value(EV_HTTP_STATUS) type I
raising
ZCX_ADF_SERVICE .
methods CONV_PDF_TO_XSTRING
importing
value(IV_FILENAME) type STRING default SPACE
exporting
value(ES_XSTRING) type XSTRING .
methods SET_BLOB_ADDITIONAL_ATTRIBUTES
importing
!IV_PERMISSION type STRING default 'racwdl'
!IV_IDENTIFIER type STRING optional
!IV_IP type STRING optional
!IV_PROTOCOL type STRING optional
!IV_VERSION type STRING default '2017-11-09'
!IV_RSCC type STRING optional
!IV_RSCD type STRING optional
!IV_RSCE type STRING optional
!IV_RSCT type STRING optional
!IV_EXPIRY_TIME type STRING optional .
methods SET_BLOB_NAME_TYPE
importing
value(IV_BLOB_NAME) type STRING
value(IV_BLOB_TYPE) type STRING default 'A' .
methods SET_STORAGE_ACCOUNT_CONTAINER
importing
value(IV_STORAGE_ACCOUNT) type STRING
value(IV_CONTAINER_NAME) type STRING
value(IV_FOLDER) type STRING optional .
methods GET_BLOB
importing
!IT_HEADERS type TIHTTPNVP optional
exporting
value(RESPONSE) type XSTRING
value(EV_HTTP_STATUS) type I
raising
ZCX_ADF_SERVICE
ZCX_HTTP_CLIENT_FAILED
ZCX_INTERACE_CONFIG_MISSING .
methods DELETE_BLOB
importing
!IT_HEADERS type TIHTTPNVP optional
exporting
value(RESPONSE) type STRING
value(EV_HTTP_STATUS) type I
raising
ZCX_ADF_SERVICE
ZCX_HTTP_CLIENT_FAILED
ZCX_INTERACE_CONFIG_MISSING .
methods SET_URI_PARAMETERS_BLOB
importing
!IV_TIMEOUT type STRING optional .
methods SET_FILE_DETAILS
importing
value(IV_FILENAME) type SDBAH-ACTID
value(IV_FILETYPE) type CHAR200 .
methods DECODE_ADF_SAS_KEY
returning
value(RV_KEY) type STRING
raising
ZCX_ADF_SERVICE .
methods GET_LIST_BLOB
importing
!IT_HEADERS type TIHTTPNVP optional
!I_MARKER type ABAP_BOOL optional
!I_MARKER_VAL type CHAR255 optional
!IV_PREFIX type CHAR255 optional
!I_EXPRESSION type STRING optional
!I_DELIMITER type CHAR255 optional
exporting
value(RESPONSE) type XSTRING
!EV_HTTP_STATUS type I
!ET_DATA type ZADF_XMLTB_T .
methods CONV_XML_TO_INTTAB
importing
value(IV_XML_STRING) type XSTRING
value(IV_PROPERTY) type STRING optional
value(IT_HEADERS) type TIHTTPNVP optional
exporting
value(ET_XML_DATA) type ZADF_XMLTB_T
!ET_RETURN type BAPIRET2_T .
methods SEND
redefinition .
protected section.
methods GET_SAS_TOKEN
redefinition .
private section.
constants GC_UTC_ZONE type TZNZONE value 'UTC' ##NO_TEXT.
constants GC_SEP_HYPHEN type CHAR1 value '-' ##NO_TEXT.
constants GC_SEP_COLON type CHAR1 value ':' ##NO_TEXT.
data GV_START_UTC_TIME type STRING .
data GV_EXPIRY_UTC_TIME type STRING .
data GV_PERMISSON type STRING value 'racwdl' ##NO_TEXT.
data GV_BLOB_NAME type STRING .
data GV_CONTAINER_NAME type STRING .
data GV_BLOB_TYPE type STRING .
data GC_BLOCK_BLOB type STRING value 'BlockBlob' ##NO_TEXT.
data GC_APPEND_BLOB type STRING value 'AppendBlob' ##NO_TEXT.
data GC_A type CHAR1 value 'A' ##NO_TEXT.
data GC_B type CHAR1 value 'B' ##NO_TEXT.
data GV_SAS_TOKEN type STRING .
constants GC_COMP_APPENDBLOCK type STRING value '&comp=appendblock' ##NO_TEXT.
constants GC_SEP_SLASH type CHAR1 value '/' ##NO_TEXT.
constants GC_BLOB type STRING value 'blob' ##NO_TEXT.
data GV_STORAGE_ACCOUNT type STRING .
data GV_FILE_TYPE type CHAR200 .
data GV_FILENAME type SDBAH-ACTID .
data GV_IDENTIFIER type STRING .
data GV_IP type STRING .
data GV_PROTOCOL type STRING .
data GV_VERSION type STRING .
data GV_RSCC type STRING .
data GV_RSCD type STRING .
data GV_RSCE type STRING .
data GV_RSCT type STRING .
data GV_PERMISSION type STRING value 'racwdl' ##NO_TEXT.
data GV_FOLDER type STRING .
constants GC_TIMEOUT type STRING value '&timeout=' ##NO_TEXT.
data GV_TIMEOUT type STRING .
constants GV_CONTAINER type STRING value '&restype=container' ##NO_TEXT.
constants GV_LIST type STRING value '&comp=list' ##NO_TEXT.
data GV_URI_STRING type STRING .
methods STRING_TO_SIGN
returning
value(RV_STRING_TO_SIGN) type STRING
raising
ZCX_ADF_SERVICE .
methods SET_EXPIRY_UTC_TIME
raising
ZCX_ADF_SERVICE .
methods SEND_PDF
importing
value(REQUEST) type XSTRING
!IT_HEADERS type TIHTTPNVP optional
exporting
!EO_REQUEST type ref to IF_REST_ENTITY
raising
ZCX_ADF_SERVICE .
methods SET_SAS_TOKEN
raising
ZCX_ADF_SERVICE
ZCX_HTTP_CLIENT_FAILED .
methods SEND_CSV
importing
value(REQUEST) type XSTRING
!IT_HEADERS type TIHTTPNVP optional
exporting
!EO_REQUEST type ref to IF_REST_ENTITY
raising
ZCX_ADF_SERVICE .
methods SEND_TEXT
importing
!REQUEST type XSTRING
!IT_HEADERS type TIHTTPNVP
raising
ZCX_ADF_SERVICE .
methods VALIDATE_ATTRIBUTES
raising
ZCX_ADF_SERVICE .
methods GENERATE_SAS_TOKEN
raising
ZCX_ADF_SERVICE .
methods SEND_XML
importing
value(REQUEST) type XSTRING
!IT_HEADERS type TIHTTPNVP optional
exporting
!EO_REQUEST type ref to IF_REST_ENTITY
raising
ZCX_ADF_SERVICE .
methods SET_AAD_TOKEN .
methods SET_SERVICE_SAS_TOKEN
importing
value(IV_SERVICE_SAS_TOKEN) type STRING .
methods SEND_JSON
importing
value(REQUEST) type XSTRING
!IT_HEADERS type TIHTTPNVP optional
exporting
!EO_REQUEST type ref to IF_REST_ENTITY .
methods SET_SAS_TOKEN_RD
importing
value(IV_SAS_TOKEN) type STRING .
methods SET_MI_TOKEN_RD .
ENDCLASS.
CLASS ZCL_ADF_SERVICE_BLOB IMPLEMENTATION.
METHOD conv_pdf_to_xstring.
DATA:
lt_tab_file TYPE TABLE OF char255,
lv_length TYPE i,
ls_xstring TYPE xstring,
ls_xstring1 TYPE xstring,
lv_base64 TYPE string,
lv_filepath TYPE dbmsgora-filename,
lv_filename TYPE sdbah-actid,
lv_file_type TYPE sdbad-funct.
**** Converting PDF to BIN format
CALL METHOD cl_gui_frontend_services=>gui_upload
EXPORTING
filename = iv_filename
filetype = 'BIN'
IMPORTING
filelength = lv_length
CHANGING
data_tab = lt_tab_file
EXCEPTIONS
file_open_error = 01
file_read_error = 02
no_batch = 03
gui_refuse_filetransfer = 04
invalid_type = 05
no_authority = 06
unknown_error = 07
bad_data_format = 08
header_not_allowed = 09
separator_not_allowed = 10
header_too_long = 11
unknown_dp_error = 12
access_denied = 13
dp_out_of_memory = 14
disk_full = 15
dp_timeout = 16
not_supported_by_gui = 17
error_no_gui = 18.
IF sy-subrc = 0. "(+)VSO#5995767/TR#MS2K9A03
**** PDF conversion to XSTRING
CALL FUNCTION 'SCMS_BINARY_TO_XSTRING'
EXPORTING
input_length = lv_length
IMPORTING
buffer = ls_xstring
TABLES
binary_tab = lt_tab_file
EXCEPTIONS
failed = 1
OTHERS = 2.
IF sy-subrc = 0.
es_xstring = ls_xstring.
ENDIF.
ENDIF.
**** Get File type
lv_filepath = iv_filename.
CALL FUNCTION 'SPLIT_FILENAME'
EXPORTING
long_filename = lv_filepath
IMPORTING
pure_filename = lv_filename
pure_extension = lv_file_type.
TRANSLATE lv_file_type TO UPPER CASE.
gv_filename = lv_filename.
gv_file_type = lv_file_type.
CLEAR: lv_length,lt_tab_file,ls_xstring,lv_base64,ls_xstring1,lv_filename,lv_file_type.
ENDMETHOD.
METHOD conv_xml_to_inttab.
DATA: lt_xml_tab TYPE TABLE OF smum_xmltb,
lt_xml_t TYPE TABLE OF smum_xmltb,
lv_text TYPE string.
DATA(lv_response) = iv_xml_string.
* Fetch xml contents atleast for 1 time
DO.
CALL FUNCTION 'SMUM_XML_PARSE'
EXPORTING
xml_input = lv_response
TABLES
xml_table = lt_xml_tab
return = et_return.
IF line_exists( lt_xml_tab[ cname = 'Error' ] ) .
lv_text = lt_xml_tab[ cname = 'Message' ]-cvalue.
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service=>zcx_adf_manage_key_exception
text = lv_text
interface_id = gv_interface_id.
ELSEIF line_exists( et_return[ type = gc_error ] ).
lv_text = et_return[ type = gc_error ]-message.
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service=>zcx_adf_manage_key_exception
text = lv_text
interface_id = gv_interface_id.
ENDIF.
APPEND LINES OF lt_xml_tab TO lt_xml_t.
CLEAR lv_response.
* Check if NextMarker Continuation token is not empty in xml content table
READ TABLE lt_xml_tab INTO DATA(lw_xml_data) WITH KEY cname = 'NextMarker'.
IF sy-subrc EQ 0.
DATA(lv_marker_val) = lw_xml_data-cvalue.
CLEAR lt_xml_tab.
IF lv_marker_val IS NOT INITIAL.
TRY.
* Read another set of list of blobs for a given Continuation Token
get_list_blob(
EXPORTING
it_headers = it_headers
i_marker = abap_true
i_marker_val = lv_marker_val
IMPORTING
response = lv_response
ev_http_status = DATA(lv_status) ).
CATCH cx_root INTO DATA(lx_root).
DATA(lv_str) = lx_root->if_message~get_text( ).
MESSAGE lv_str TYPE gc_error.
ENDTRY.
ELSE.
EXIT.
ENDIF.
ELSE.
EXIT.
ENDIF.
ENDDO.
IF iv_property IS NOT INITIAL.
* Get the list of blobs for a specific property
et_xml_data = VALUE #( FOR lw_xml_tab IN lt_xml_t WHERE ( cname = iv_property )
( hier = lw_xml_tab-hier
type = lw_xml_tab-type
cname = lw_xml_tab-cname
cvalue = lw_xml_tab-cvalue ) ).
ELSE.
* Return the list of all properties
et_xml_data = lt_xml_tab.
ENDIF.
ENDMETHOD.
METHOD create_append_blob.
DATA : lo_response TYPE REF TO if_rest_entity,
lo_request TYPE REF TO if_rest_entity,
lv_expiry TYPE string,
lv_sas_token TYPE string,
lv_msg TYPE string,
lcx_adf_service TYPE REF TO zcx_adf_service.
IF go_rest_api IS BOUND.
IF gv_sas_token IS INITIAL.
TRY.
get_sas_token( EXPORTING iv_baseaddress = gv_uri
RECEIVING rv_sas_token = lv_sas_token ).
gv_sas_token = lv_sas_token.
CATCH zcx_adf_service INTO lcx_adf_service.
lv_msg = lcx_adf_service->get_text( ).
MESSAGE lv_msg TYPE 'I'.
ENDTRY.
ENDIF.
go_rest_api->zif_rest_framework~set_uri( lv_sas_token ).
add_request_header( iv_name = 'x-ms-blob-type' iv_value = gc_append_blob ).
add_request_header( iv_name = 'Content-Length' iv_value = '0' ).
add_request_header( iv_name = 'Content-Type' iv_value = 'text/plain' ).
**Rest API call to get response from Azure Destination
lo_response = go_rest_api->zif_rest_framework~execute( io_entity = lo_request async = gv_asynchronous is_retry = gv_is_try ).
ev_http_status = go_rest_api->get_status( ).
IF lo_response IS BOUND.
ev_response = lo_response->get_string_data( ).
ELSE.
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service=>error_in_append_blob_creation
interface_id = gv_interface_id.
ENDIF.
ENDIF.
ENDMETHOD.
METHOD decode_adf_sas_key.
rv_key = read_key( ).
ENDMETHOD.
METHOD delete_blob.
**** Declarations
DATA: lo_response TYPE REF TO if_rest_entity,
lo_request TYPE REF TO if_rest_entity,
lv_expiry TYPE string,
lv_sas_token TYPE string,
lv_msg TYPE string,
lcx_adf_service TYPE REF TO zcx_adf_service,
lv_file_type TYPE char200,
lo_get_file TYPE REF TO cl_rest_multipart_form_data,
lt_headers TYPE tihttpnvp.
IF go_rest_api IS BOUND.
* Check if the Authentication Type is SAS Token based
IF line_exists( it_headers[ name = gc_sas ] ).
DATA(lv_blob_sas) = it_headers[ name = gc_sas ]-value.
DATA(lv_processing_method) = gc_sas.
* Check if the Authentication Type is Managed IDentity based
ELSEIF line_exists( it_headers[ name = gc_mi_auth ] ).
lv_processing_method = gc_mi_auth.
ENDIF.
* Set the token the based on the Authentication type
CASE lv_processing_method.
WHEN gc_sas.
* Set the pre-configured SAS Token to request
set_sas_token_rd(
EXPORTING
iv_sas_token = lv_blob_sas ).
WHEN gc_mi_auth.
* MI Token already added to Request header
set_mi_token_rd( ).
WHEN OTHERS.
generate_sas_token( ).
ENDCASE.
IF NOT it_headers[] IS INITIAL.
APPEND LINES OF it_headers TO lt_headers.
* Exclude SAS token header
IF line_exists( lt_headers[ name = gc_sas ] ).
DATA(lv_tabix) = sy-tabix.
DELETE lt_headers INDEX lv_tabix.
ENDIF.
ENDIF.
go_rest_api->zif_rest_framework~set_request_headers( it_header_fields = lt_headers[] ).
**** Rest API call to get response from Azure Destination
**** Get reference
lo_response = go_rest_api->zif_rest_framework~execute( io_entity = lo_request async = gv_asynchronous is_retry = gv_is_try ).
ev_http_status = go_rest_api->get_status( ).
IF lo_response IS BOUND.
response = lo_response->get_binary_data( ).
go_rest_api->close( ).
ELSE.
go_rest_api->close( ).
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service_blob=>restapi_response_not_found
interface_id = gv_interface_id.
ENDIF.
ENDIF.
ENDMETHOD.
METHOD generate_sas_token.
**** Declarations
DATA : lv_sas_token TYPE string,
lcx_adf_service TYPE REF TO zcx_adf_service,
lv_msg TYPE string.
**** Generate SAS Token
IF gv_sas_token IS INITIAL.
TRY.
get_sas_token( EXPORTING iv_baseaddress = gv_uri
RECEIVING rv_sas_token = lv_sas_token ).
gv_sas_token = lv_sas_token.
CATCH zcx_adf_service INTO lcx_adf_service.
lv_msg = lcx_adf_service->get_text( ).
MESSAGE lv_msg TYPE 'I'.
ENDTRY.
**** Set URI prameter
IF gv_timeout IS NOT INITIAL.
CONCATENATE gv_sas_token gc_timeout gv_timeout INTO gv_sas_token.
ENDIF.
go_rest_api->zif_rest_framework~set_uri( gv_sas_token ).
ENDIF.
CLEAR:lv_sas_token,lv_msg.
ENDMETHOD.
METHOD get_blob.
DATA: lo_response TYPE REF TO if_rest_entity,
lo_request TYPE REF TO if_rest_entity,
lv_expiry TYPE string,
lv_sas_token TYPE string,
lv_msg TYPE string,
lcx_adf_service TYPE REF TO zcx_adf_service,
lv_file_type TYPE char200,
lo_get_file TYPE REF TO cl_rest_multipart_form_data,
lt_headers TYPE tihttpnvp.
IF go_rest_api IS BOUND.
* Check if the Authentication Type is SAS Token based
IF line_exists( it_headers[ name = gc_sas ] ).
DATA(lv_blob_sas) = it_headers[ name = gc_sas ]-value.
DATA(lv_processing_method) = gc_sas.
* Check if the Authentication Type is Managed IDentity based
ELSEIF line_exists( it_headers[ name = gc_mi_auth ] ).
lv_processing_method = gc_mi_auth.
ENDIF.
* Set the token the based on the Authentication type
CASE lv_processing_method.
WHEN gc_sas.
* Set the pre-configured SAS Token to request
set_sas_token_rd(
EXPORTING
iv_sas_token = lv_blob_sas ).
WHEN gc_mi_auth.
* Token already added to Request header
set_mi_token_rd( ).
WHEN OTHERS.
generate_sas_token( ).
ENDCASE.
IF NOT it_headers[] IS INITIAL.
APPEND LINES OF it_headers TO lt_headers.
* Exclude SAS token header
IF line_exists( lt_headers[ name = gc_sas ] ).
DATA(lv_tabix) = sy-tabix.
DELETE lt_headers INDEX lv_tabix.
ENDIF.
ENDIF.
go_rest_api->zif_rest_framework~set_request_headers( it_header_fields = lt_headers[] ).
**** Rest API call to get response from Azure Destination
**** Get reference
lo_response = go_rest_api->zif_rest_framework~execute( io_entity = lo_request
async = gv_asynchronous
is_retry = gv_is_try ).
ev_http_status = go_rest_api->get_status( ).
IF lo_response IS BOUND.
response = lo_response->get_binary_data( ).
go_rest_api->close( ).
ELSE.
go_rest_api->close( ).
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service_blob=>restapi_response_not_found
interface_id = gv_interface_id.
ENDIF.
ENDIF.
ENDMETHOD.
METHOD get_list_blob.
DATA: lo_response TYPE REF TO if_rest_entity,
lo_request TYPE REF TO if_rest_entity,
lt_headers TYPE tihttpnvp.
DATA: lv_list_str TYPE string VALUE '?restype=container&comp=list&'.
CONSTANTS : lc_service_version TYPE string VALUE '2021-12-02'.
* Filter based on the matching prefix
IF iv_prefix IS NOT INITIAL.
lv_list_str = |{ lv_list_str }prefix={ iv_prefix }&|.
ENDIF.
* Read next set of lists of blob if next_marker is not empty
IF i_marker EQ abap_true.
lv_list_str = |{ lv_list_str }marker={ i_marker_val }&|.
ENDIF.
* Apply delimiters if any
IF i_delimiter IS NOT INITIAL.
lv_list_str = |{ lv_list_str }delimiter={ i_delimiter }&|.
ENDIF.
* Apply filters based on expression
IF i_expression IS NOT INITIAL.
lv_list_str = |{ lv_list_str }where={ i_expression }&|.
ENDIF.
IF go_rest_api IS BOUND.
* Check if the Authentication Type is SAS Token based
IF line_exists( it_headers[ name = gc_sas ] ).
DATA(lv_blob_sas) = it_headers[ name = gc_sas ]-value.
DATA(lv_processing_method) = gc_sas.
* Check if the Authentication Type is Managed IDentity based
ELSEIF line_exists( it_headers[ name = gc_mi_auth ] ).
lv_processing_method = gc_mi_auth.
ENDIF.
* Set the token the based on the Authentication type
CASE lv_processing_method.
WHEN gc_sas.
* Set the pre-configured SAS Token to request
DATA(lv_uri_string) = |/{ gv_container_name }{ lv_list_str }|.
* Generate the URI containing SAS Token
IF lv_blob_sas IS NOT INITIAL.
lv_uri_string = |{ lv_uri_string }{ lv_blob_sas }|.
ENDIF.
WHEN gc_mi_auth.
* Build the Path for the Azure blob service
lv_uri_string = |/{ gv_container_name }{ lv_list_str }|.
* Assign the required version for OAuth Bearer access token
add_request_header( iv_name = 'x-ms-version' iv_value = lc_service_version ).
WHEN OTHERS.
generate_sas_token( ).
IF gv_folder IS NOT INITIAL.
* Get the String to be replaced
DATA(lv_str_replace) = |/{ gv_folder }/{ gv_blob_name }?|.
ELSE.
lv_str_replace = |/{ gv_blob_name }?|.
ENDIF.
lv_uri_string = gv_sas_token.
REPLACE FIRST OCCURRENCE OF lv_str_replace IN lv_uri_string WITH lv_list_str.
ENDCASE.
* Add the Auth token to the Request
go_rest_api->zif_rest_framework~set_uri( lv_uri_string ).
IF NOT it_headers[] IS INITIAL.
APPEND LINES OF it_headers TO lt_headers.
* Exclude SAS token header
IF line_exists( lt_headers[ name = gc_sas ] ).
DATA(lv_tabix) = sy-tabix.
DELETE lt_headers INDEX lv_tabix.
ENDIF.
ENDIF.
go_rest_api->zif_rest_framework~set_request_headers( it_header_fields = lt_headers[] ).
**** Rest API call to get response from Azure Destination
**** Get reference
lo_response = go_rest_api->zif_rest_framework~execute( io_entity = lo_request
async = gv_asynchronous
is_retry = gv_is_try ).
ev_http_status = go_rest_api->get_status( ).
IF lo_response IS BOUND.
response = lo_response->get_binary_data( ).
ELSE.
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service_blob=>restapi_response_not_found
interface_id = gv_interface_id.
ENDIF.
ENDIF.
ENDMETHOD.
METHOD get_sas_token.
DATA : body_xstring TYPE xstring,
sign TYPE string,
final_token TYPE string,
lv_decoded_xstr TYPE xstring,
conv TYPE REF TO cl_abap_conv_out_ce,
lv_sas_key TYPE string,
lv_format TYPE i,
lx_static_check TYPE REF TO cx_static_check,
lv_string_to_sign TYPE string.
conv = cl_abap_conv_out_ce=>create( encoding = 'UTF-8' ).
* Calling String to sign
CALL METHOD me->string_to_sign
RECEIVING
rv_string_to_sign = lv_string_to_sign.
conv->convert( EXPORTING data = lv_string_to_sign IMPORTING buffer = body_xstring ).
DEFINE encrypt_key.
* decode_sign( RECEIVING rv_secret = lv_sas_key ).
IF gv_sas_key IS INITIAL.
lv_sas_key = read_ssf_key( ).
ELSE.
lv_sas_key = read_key( ).
ENDIF.
CALL FUNCTION 'SSFC_BASE64_DECODE'
EXPORTING
b64data = lv_sas_key
IMPORTING
bindata = lv_decoded_xstr
EXCEPTIONS
ssf_krn_error = 1
ssf_krn_noop = 2
ssf_krn_nomemory = 3
ssf_krn_opinv = 4
ssf_krn_input_data_error = 5
ssf_krn_invalid_par = 6
ssf_krn_invalid_parlen = 7
OTHERS = 8.
IF sy-subrc <> 0.
* Implement suitable error handling here
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service=>error_in_sas_key_encryption
interface_id = gv_interface_id.
ENDIF.
CALL METHOD cl_abap_hmac=>calculate_hmac_for_raw
EXPORTING
if_algorithm = 'sha-256'
if_key = lv_decoded_xstr "decoded
if_data = body_xstring
if_length = 0
IMPORTING
ef_hmacb64string = sign.
CLEAR : lv_sas_key,lv_decoded_xstr.
END-OF-DEFINITION.
encrypt_key.
IF NOT sign IS INITIAL.
lv_format = 18.
sign = escape( val = sign format = lv_format ).
gv_start_utc_time = escape( val = gv_start_utc_time format = lv_format ).
gv_expiry_utc_time = escape( val = gv_expiry_utc_time format = lv_format ).
IF NOT gv_expiry_utc_time IS INITIAL.
CONCATENATE '?sv=' gv_service_version '&sr=c' '&sig=' sign '&st=' gv_start_utc_time
'&se=' gv_expiry_utc_time '&sp=' gv_permisson INTO final_token.
IF gv_folder IS NOT INITIAL.
CONCATENATE '/' gv_container_name '/' gv_folder '/' gv_blob_name INTO rv_sas_token.
ELSE.
CONCATENATE '/' gv_container_name '/' gv_blob_name INTO rv_sas_token.
ENDIF.
CONCATENATE rv_sas_token final_token INTO rv_sas_token.
ENDIF.
ELSE.
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service=>sas_key_not_generated
interface_id = gv_interface_id.
ENDIF.
ENDMETHOD.
METHOD send.
DATA : lo_response TYPE REF TO if_rest_entity,
lo_request TYPE REF TO if_rest_entity,
lv_expiry TYPE string,
lv_sas_token TYPE string,
lv_msg TYPE string,
lcx_adf_service TYPE REF TO zcx_adf_service,
lv_file_type TYPE char200,
ls_headers TYPE ihttpnvp,
lv_processing_method TYPE string,
lv_token TYPE string,
lv_tabix TYPE sy-tabix,
lt_headers TYPE tihttpnvp.
IF go_rest_api IS BOUND.
lt_headers[] = it_headers[].
CLEAR ls_headers.
READ TABLE lt_headers INTO ls_headers WITH KEY name = gc_sas.
IF sy-subrc EQ 0.
lv_tabix = sy-tabix.
lv_processing_method = gc_sas.
lv_token = ls_headers-value.
* Deleting from the headers, as this won't be used in the service call for SASTOKEN scenario
DELETE lt_headers INDEX lv_tabix.
ELSE.
CLEAR ls_headers.
READ TABLE lt_headers INTO ls_headers WITH KEY name = gc_mi_auth.
IF sy-subrc EQ 0.
lv_processing_method = gc_mi_auth.
ENDIF.
ENDIF.
CASE lv_processing_method.
* Applicable for SAS Token
WHEN gc_sas.
CALL METHOD me->set_service_sas_token
EXPORTING
iv_service_sas_token = lv_token.
WHEN gc_mi_auth.
* Applicable for MI and AAD.
set_aad_token( ).
WHEN OTHERS.
*Applicable for Account Key
set_sas_token( ).
ENDCASE.
**** Send file to Blob
*Below file wise case will work for Account Key. for MI/AAD the file header needs to be set from Calling program.
CASE gv_file_type.
WHEN 'PDF'.
CALL METHOD send_pdf(
EXPORTING
request = request
it_headers = lt_headers
IMPORTING
eo_request = lo_request ).
WHEN 'CSV'.
CALL METHOD send_csv(
EXPORTING
request = request
it_headers = lt_headers
IMPORTING
eo_request = lo_request ).
WHEN 'TXT'.
CALL METHOD send_text(
EXPORTING
request = request
it_headers = lt_headers ).
*BOC-KRANKAM-08/20/2020
WHEN 'JSON'.
CALL METHOD send_json(
EXPORTING
request = request
it_headers = lt_headers
IMPORTING
eo_request = lo_request ).
*EOC-KRANKAM-08/20/2020
WHEN 'XML'.
CALL METHOD send_xml(
EXPORTING
request = request
it_headers = lt_headers
IMPORTING
eo_request = lo_request ).
ENDCASE.
IF NOT lt_headers[] IS INITIAL.
go_rest_api->zif_rest_framework~set_request_headers( it_header_fields = lt_headers[] ).
ENDIF.
go_rest_api->zif_rest_framework~set_binary_body( request ).
** Rest API call to get response from Azure Destination
lo_response = go_rest_api->zif_rest_framework~execute( io_entity = lo_request async = gv_asynchronous is_retry = gv_is_try ).
ev_http_status = go_rest_api->get_status( ).
IF lo_response IS BOUND.
response = lo_response->get_string_data( ).
go_rest_api->close( ).
ELSE.
go_rest_api->close( ).
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service=>restapi_response_not_found
interface_id = gv_interface_id.
ENDIF.
ENDIF.
ENDMETHOD.
METHOD send_csv.
**** Declarations
DATA: lo_post_file TYPE REF TO cl_rest_multipart_form_data,
lw_headers TYPE ihttpnvp,
lv_filename TYPE string,
lo_http_client TYPE REF TO if_http_client,
lo_request TYPE REF TO if_rest_entity.
CONSTANTS: lc_value TYPE string VALUE 'attachment; filename = '.
CASE gv_blob_type.
**** Block Blob
WHEN gc_block_blob.
CONCATENATE gv_filename gv_file_type INTO lv_filename SEPARATED BY '.'.
CONCATENATE lc_value lv_filename INTO lv_filename SEPARATED BY space.
**** Get reference
go_rest_api->get_http_client( RECEIVING result = lo_http_client ).
**** Set Headers
lo_http_client->request->set_content_type( content_type = 'text/csv').
add_request_header( iv_name = 'x-ms-blob-type' iv_value = gc_block_blob ).
add_request_header( iv_name = 'x-ms-blob-content-disposition'
iv_value = lv_filename ).
**** Get reference
go_rest_api->get_request( RECEIVING result = lo_request ).
eo_request = lo_request.
**** Append Blob
WHEN gc_append_blob.
add_request_header( iv_name = 'x-ms-version' iv_value = '2016-05-31' ).
**Validation logic for content-length header
CLEAR lw_headers.
READ TABLE it_headers INTO lw_headers
WITH KEY name = 'Content-Length'.
IF sy-subrc EQ 0.
IF NOT lw_headers-value IS INITIAL.
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service=>content_length_missing
interface_id = gv_interface_id.
ENDIF.
ELSE.
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service=>content_length_header_missing
interface_id = gv_interface_id.
ENDIF.
ENDCASE.
ENDMETHOD. "send_csv
METHOD send_json.
**** Declarations
DATA: lo_post_file TYPE REF TO cl_rest_multipart_form_data,
lw_headers TYPE ihttpnvp,
lv_filename TYPE string,
lo_http_client TYPE REF TO if_http_client,
lo_request TYPE REF TO if_rest_entity.
CONSTANTS: lc_value TYPE string VALUE 'attachment; filename = '.
CASE gv_blob_type.
**** Block Blob
WHEN gc_block_blob.
CONCATENATE gv_filename gv_file_type INTO lv_filename SEPARATED BY '.'.
CONCATENATE lc_value lv_filename INTO lv_filename SEPARATED BY space.
**** Get reference
go_rest_api->get_http_client( RECEIVING result = lo_http_client ).
**** Set Headers
lo_http_client->request->set_content_type( content_type = 'json').
add_request_header( iv_name = 'x-ms-blob-type' iv_value = gc_block_blob ).
add_request_header( iv_name = 'x-ms-blob-content-disposition'
iv_value = lv_filename ).
**** Get reference
go_rest_api->get_request( RECEIVING result = lo_request ).
eo_request = lo_request.
**** Append Blob
WHEN gc_append_blob.
add_request_header( iv_name = 'x-ms-version' iv_value = '2016-05-31' ).
**Validation logic for content-length header
CLEAR lw_headers.
READ TABLE it_headers INTO lw_headers
WITH KEY name = 'Content-Length'.
IF sy-subrc EQ 0.
IF NOT lw_headers-value IS INITIAL.
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service=>content_length_missing
interface_id = gv_interface_id.
ENDIF.
ELSE.
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service=>content_length_header_missing
interface_id = gv_interface_id.
ENDIF.
ENDCASE.
ENDMETHOD.
METHOD send_pdf.
**** Declarations
DATA: lo_post_file TYPE REF TO cl_rest_multipart_form_data,
lw_headers TYPE ihttpnvp,
lv_filename TYPE string.
CONSTANTS: lc_value TYPE string VALUE 'attachment; filename = '.
CASE gv_blob_type.
**** Block Blob
WHEN gc_block_blob.
CONCATENATE gv_filename gv_file_type INTO lv_filename SEPARATED BY '.'.
CONCATENATE lc_value lv_filename INTO lv_filename SEPARATED BY space.
**** Get reference
go_rest_api->get_http_client( RECEIVING result = DATA(lo_http_client) ).
**** Set Headers
lo_http_client->request->set_content_type( content_type = 'multipart/form-data').
add_request_header( iv_name = 'x-ms-blob-type' iv_value = gc_block_blob ).
add_request_header( iv_name = 'x-ms-version' iv_value = '2017-11-09' ).
add_request_header( iv_name = 'x-ms-blob-content-disposition' iv_value = lv_filename ).
**** Get reference
go_rest_api->get_request( RECEIVING result = DATA(lo_request) ).
CREATE OBJECT lo_post_file
EXPORTING
io_entity = lo_request.
CALL METHOD lo_post_file->set_file
EXPORTING
iv_name = 'PDF_File'
iv_filename = 'file.pdf'
iv_type = 'PDF'
iv_data = request.
CALL METHOD lo_post_file->if_rest_entity_provider~write_to
EXPORTING
io_entity = lo_request.
eo_request = lo_request.
**** Append Blob
WHEN gc_append_blob.
add_request_header( iv_name = 'x-ms-version' iv_value = '2016-05-31' ).
**Validation logic for content-length header
CLEAR lw_headers.
READ TABLE it_headers INTO lw_headers
WITH KEY name = 'Content-Length'.
IF sy-subrc EQ 0.
IF NOT lw_headers-value IS INITIAL.
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service=>content_length_missing
interface_id = gv_interface_id.
ENDIF.
ELSE.
RAISE EXCEPTION TYPE zcx_adf_service
EXPORTING
textid = zcx_adf_service=>content_length_header_missing