[Developer] #424 remove probe wrappers from ORDS handler package
This commit is contained in:
@@ -12,9 +12,6 @@
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-- * Object query handlers: call the common package, then query their
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-- own protected table/view.
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-- * VPD demo path: a fixed demo handler for ADMIN.CB_V_SEARCH_DOCUMENTS.
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-- * DDS probe: Authorization header -> local mapping only. This does not
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-- attach a DDS EndUserSecurityContext, so DDS cannot treat the request
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-- as the mapped END USER. It is not a protected object query handler.
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-- ============================================================
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WHENEVER SQLERROR EXIT SQL.SQLCODE
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SET ECHO OFF
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@@ -24,8 +21,6 @@ PROMPT === Creating CB_ORDS handler package ===
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CREATE OR REPLACE PACKAGE cb_ords_handler_pkg AUTHID DEFINER AS
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PROCEDURE set_vpd_context(p_authorization IN VARCHAR2);
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PROCEDURE clear_vpd_context;
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FUNCTION vpd_search_json(p_authorization IN VARCHAR2) RETURN CLOB;
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FUNCTION dds_bearer_probe_json(p_authorization IN VARCHAR2) RETURN CLOB;
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END;
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/
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@@ -42,16 +37,6 @@ CREATE OR REPLACE PACKAGE BODY cb_ords_handler_pkg AS
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RETURN TRIM(SUBSTR(v_auth, 8));
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END;
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FUNCTION mapped_dds_end_user(p_bearer_key IN VARCHAR2) RETURN VARCHAR2 AS
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BEGIN
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CASE p_bearer_key
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WHEN 'cb_hr_key' THEN RETURN 'cb_dds_hr';
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WHEN 'cb_fin_key' THEN RETURN 'cb_dds_fin';
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WHEN 'cb_all_key' THEN RETURN 'cb_dds_all';
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ELSE RETURN NULL;
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END CASE;
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END;
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PROCEDURE set_vpd_context(p_authorization IN VARCHAR2) AS
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v_bearer_key VARCHAR2(4000);
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BEGIN
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@@ -64,106 +49,6 @@ CREATE OR REPLACE PACKAGE BODY cb_ords_handler_pkg AS
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BEGIN
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admin.cb_agent_ctx_pkg.clear_user;
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END;
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FUNCTION vpd_search_json(p_authorization IN VARCHAR2) RETURN CLOB AS
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v_rows_json CLOB;
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v_response CLOB;
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v_context_read_contents VARCHAR2(1);
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BEGIN
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set_vpd_context(p_authorization);
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SELECT JSON_ARRAYAGG(
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JSON_OBJECT(
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'doc_id' VALUE doc_id,
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'title' VALUE title,
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'owner_emp_no' VALUE owner_emp_no,
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'dept_code' VALUE dept_code,
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'contents' VALUE contents
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RETURNING CLOB
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)
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ORDER BY doc_id
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RETURNING CLOB
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)
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INTO v_rows_json
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FROM admin.cb_v_search_documents;
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IF v_rows_json IS NULL THEN
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v_rows_json := '[]';
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END IF;
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v_context_read_contents := admin.cb_agent_can_read_column('CB_V_SEARCH_DOCUMENTS', 'CONTENTS');
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SELECT JSON_OBJECT(
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'scenario' VALUE 'VPD_BEARER_HEADER',
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'db_user' VALUE SYS_CONTEXT('USERENV', 'SESSION_USER'),
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'context_user_id' VALUE SYS_CONTEXT('CB_AGENT_CTX', 'USER_ID'),
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'context_emp_no' VALUE SYS_CONTEXT('CB_AGENT_CTX', 'EMP_NO'),
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'context_dept_code' VALUE SYS_CONTEXT('CB_AGENT_CTX', 'DEPT_CODE'),
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'context_read_contents' VALUE v_context_read_contents,
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'rows' VALUE v_rows_json FORMAT JSON
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RETURNING CLOB
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)
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INTO v_response
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FROM dual;
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clear_vpd_context;
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RETURN v_response;
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EXCEPTION
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WHEN OTHERS THEN
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clear_vpd_context;
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RAISE;
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END;
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FUNCTION dds_bearer_probe_json(p_authorization IN VARCHAR2) RETURN CLOB AS
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v_bearer_key VARCHAR2(4000);
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v_mapped_end_user VARCHAR2(128);
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v_dds_context_username VARCHAR2(128);
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v_dds_context_error VARCHAR2(4000);
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v_rows_visible NUMBER;
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v_query_error VARCHAR2(4000);
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v_result VARCHAR2(40);
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v_response CLOB;
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BEGIN
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v_bearer_key := extract_bearer_key(p_authorization);
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v_mapped_end_user := mapped_dds_end_user(v_bearer_key);
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BEGIN
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SELECT ORA_END_USER_CONTEXT.username
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INTO v_dds_context_username
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FROM dual;
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EXCEPTION
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WHEN OTHERS THEN
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v_dds_context_error := SQLERRM;
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END;
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BEGIN
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EXECUTE IMMEDIATE
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'SELECT COUNT(*) FROM admin.cb_dds_v_search_documents'
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INTO v_rows_visible;
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v_result := 'UNEXPECTED_ACCESS';
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EXCEPTION
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WHEN OTHERS THEN
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v_query_error := SQLERRM;
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v_result := 'EXPECTED_BLOCKED';
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END;
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SELECT JSON_OBJECT(
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'scenario' VALUE 'DDS_BEARER_HANDLER_PROBE',
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'db_user' VALUE SYS_CONTEXT('USERENV', 'SESSION_USER'),
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'bearer_mapped_end_user' VALUE v_mapped_end_user,
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'dds_context_username' VALUE v_dds_context_username,
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'dds_context_error' VALUE v_dds_context_error,
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'rows_visible' VALUE v_rows_visible,
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'query_error' VALUE v_query_error,
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'result' VALUE v_result
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RETURNING CLOB
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)
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INTO v_response
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FROM dual;
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RETURN v_response;
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END;
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END;
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/
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@@ -195,7 +80,7 @@ BEGIN
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p_pattern => 'vpd/documents',
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p_method => 'POST',
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p_source_type => ORDS.source_type_plsql,
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p_source => q'[
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p_source => q'!
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DECLARE
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v_rows_json CLOB;
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BEGIN
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@@ -229,9 +114,9 @@ EXCEPTION
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cb_ords_handler_pkg.clear_vpd_context;
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:status_code := 403;
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OWA_UTIL.MIME_HEADER('application/json', TRUE);
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HTP.P('{"error":"' || REPLACE(SQLERRM, '"', '\"') || '"}');
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HTP.P(JSON_OBJECT('error' VALUE SQLERRM RETURNING CLOB));
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END;
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]',
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!',
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p_items_per_page => 0
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);
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@@ -246,45 +131,6 @@ END;
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p_access_method => 'IN'
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);
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ORDS.DEFINE_TEMPLATE(
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p_module_name => 'cb.agent.security',
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p_pattern => 'dds/bearer-probe'
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);
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ORDS.DEFINE_HANDLER(
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p_module_name => 'cb.agent.security',
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p_pattern => 'dds/bearer-probe',
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p_method => 'POST',
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p_source_type => ORDS.source_type_plsql,
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p_source => q'[
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DECLARE
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v_response CLOB;
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BEGIN
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v_response := cb_ords_handler_pkg.dds_bearer_probe_json(:auth_header);
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:status_code := 200;
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OWA_UTIL.MIME_HEADER('application/json', TRUE);
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HTP.P(v_response);
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EXCEPTION
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WHEN OTHERS THEN
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:status_code := 403;
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OWA_UTIL.MIME_HEADER('application/json', TRUE);
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HTP.P('{"error":"' || REPLACE(SQLERRM, '"', '\"') || '"}');
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END;
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]',
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p_items_per_page => 0
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);
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ORDS.DEFINE_PARAMETER(
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p_module_name => 'cb.agent.security',
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p_pattern => 'dds/bearer-probe',
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p_method => 'POST',
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p_name => 'Authorization',
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p_bind_variable_name => 'auth_header',
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p_source_type => 'HEADER',
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p_param_type => 'STRING',
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p_access_method => 'IN'
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);
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COMMIT;
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END;
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/
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