Calling urls and receiving urls

Hie
I have to do some authorization to an external server which happens in two stages.
So in first stage i need to call a url to 3rd part server passing some parameters in the url and the server then in response redirects to user specified url (in passed parameters) along with some additional parameter name 'code' .
In second state then i need to call to another url along with the retrieved code which will again respond with another parameter key and redirect to specified url.
I can implement it in ADF using UI. Which will need user to click buttons to initiate the stages Though I am looking if i can do all without user intervention.
Any advise please?

Would also need this information to make Skype work in our enterprise.
Any responses?

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REPORT zbrowser .
TABLES : sscrfields.
INCLUDE .
CONSTANTS: htmlcntl_eventid_on_navigate TYPE i VALUE 1.
CONSTANTS: htmlcntl_eventid_navigate_com TYPE i VALUE 2.
DATA : h_html_ctrl TYPE cntl_handle,
repid TYPE sy-repid,
dynnr TYPE sy-dynnr,
cmd TYPE sy-ucomm,
flag,disp.
DATA : it_exclude LIKE TABLE OF rsexfcode WITH HEADER LINE.
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FUNCTION KEY 2,
FUNCTION KEY 3,
FUNCTION KEY 4,
FUNCTION KEY 5.
General Browser to View
Files/Pictures & WebPages
© 2005 SAP AG 2
SELECTION-SCREEN COMMENT 45(50) comment1.
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN COMMENT 2(28) comment2 FOR FIELD url.
SELECTION-SCREEN POSITION 31.
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SELECTION-SCREEN PUSHBUTTON 79(4) open USER-COMMAND open.
SELECTION-SCREEN END OF LINE.
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sscrfields-functxt_04 = icon_booking_stop.
sscrfields-functxt_03 = icon_refresh.
sscrfields-functxt_02 = icon_arrow_right.
sscrfields-functxt_01 = icon_arrow_left.
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TABLES
p_exclude = it_exclude.
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EXPORTING
owner_repid = repid
link_repid = repid
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EXCEPTIONS
control_install_error = 1
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top = 2
width = 143
height = 37
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cntl_error = 2
dp_create_error = 3
dp_install_error = 4
dp_error = 5
create_browser_error = 6
init_error = 7
OTHERS = 8
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AT SELECTION-SCREEN.
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WHEN 'OPEN'.
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EXPORTING
h_control = h_html_ctrl.
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EXPORTING
h_control = h_html_ctrl.
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EXPORTING
h_control = h_html_ctrl.
IF sy-subrc <> 0.
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EXPORTING
h_control = h_html_ctrl.
IF sy-subrc <> 0.
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WHEN 'FC05'. "GO TO HOME
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h_control = h_html_ctrl.
IF sy-subrc <> 0.
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CALL FUNCTION 'CONTROL_FLUSH'.
WHEN OTHERS.
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Files/Pictures & WebPages
© 2005 SAP AG 5
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EXPORTING
fcode = cmd.
CALL FUNCTION 'CONTROL_FLUSH'.
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CALL FUNCTION 'CONTROL_FLUSH'.
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PERFORM load_html_page.
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Get Page Name
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EXPORTING
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mask = ',.,..'
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inv_winsys = 1
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selection_error = 4
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EXIT.
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h_control = h_html_ctrl
url = url.
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h_control = h_html_ctrl
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