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PUBLIC
FINAL
CREATE PUBLIC .
PUBLIC SECTION.
INTERFACES:
zif_abapgit_git_transport.
* remote to local
CLASS-METHODS upload_pack_by_branch
IMPORTING
!iv_url TYPE string
!iv_branch_name TYPE string
!iv_deepen_level TYPE i DEFAULT 1
!it_branches TYPE zif_abapgit_git_definitions=>ty_git_branch_list_tt OPTIONAL
EXPORTING
!et_objects TYPE zif_abapgit_definitions=>ty_objects_tt
!ev_branch TYPE zif_abapgit_git_definitions=>ty_sha1
RAISING
zcx_abapgit_exception .
CLASS-METHODS upload_pack_by_commit
IMPORTING
!iv_url TYPE string
!iv_hash TYPE zif_abapgit_git_definitions=>ty_sha1 OPTIONAL
!iv_deepen_level TYPE i DEFAULT 0
EXPORTING
!et_objects TYPE zif_abapgit_definitions=>ty_objects_tt
!ev_commit TYPE zif_abapgit_git_definitions=>ty_sha1
RAISING
zcx_abapgit_exception .
* local to remote
CLASS-METHODS receive_pack
IMPORTING
!iv_url TYPE string
!iv_old TYPE zif_abapgit_git_definitions=>ty_sha1
!iv_new TYPE zif_abapgit_git_definitions=>ty_sha1
!iv_branch_name TYPE string
!iv_pack TYPE xstring OPTIONAL
RAISING
zcx_abapgit_exception .
CLASS-METHODS branches
IMPORTING
iv_url TYPE string
RETURNING
VALUE(ro_branch_list) TYPE REF TO zcl_abapgit_git_branch_list
RAISING
zcx_abapgit_exception .
PROTECTED SECTION.
PRIVATE SECTION.
CONSTANTS:
BEGIN OF c_service,
receive TYPE string VALUE 'receive', "#EC NOTEXT
upload TYPE string VALUE 'upload', "#EC NOTEXT
END OF c_service .
CLASS-METHODS check_report_status
IMPORTING
!iv_string TYPE string
RAISING
zcx_abapgit_exception .
CLASS-METHODS branch_list
IMPORTING
!iv_url TYPE string
!iv_service TYPE string
EXPORTING
!eo_client TYPE REF TO zcl_abapgit_http_client
!eo_branch_list TYPE REF TO zcl_abapgit_git_branch_list
RAISING
zcx_abapgit_exception .
CLASS-METHODS find_branch
IMPORTING
!iv_url TYPE string
!iv_service TYPE string
!iv_branch_name TYPE string
EXPORTING
!eo_client TYPE REF TO zcl_abapgit_http_client
!ev_branch TYPE zif_abapgit_git_definitions=>ty_sha1
!eo_branch_list TYPE REF TO zcl_abapgit_git_branch_list
RAISING
zcx_abapgit_exception .
CLASS-METHODS parse
EXPORTING
!ev_pack TYPE xstring
CHANGING
!cv_data TYPE xstring
RAISING
zcx_abapgit_exception .
CLASS-METHODS upload_pack
IMPORTING
!io_client TYPE REF TO zcl_abapgit_http_client
!iv_url TYPE string
!iv_deepen_level TYPE i DEFAULT 0
!it_hashes TYPE zif_abapgit_git_definitions=>ty_sha1_tt
RETURNING
VALUE(rt_objects) TYPE zif_abapgit_definitions=>ty_objects_tt
RAISING
zcx_abapgit_exception .
ENDCLASS.
CLASS zcl_abapgit_git_transport IMPLEMENTATION.
METHOD zif_abapgit_git_transport~branches.
DATA: lo_client TYPE REF TO zcl_abapgit_http_client.
branch_list(
EXPORTING
iv_url = iv_url
iv_service = c_service-upload
IMPORTING
eo_client = lo_client
eo_branch_list = ro_branch_list ).
lo_client->close( ).
ENDMETHOD.
METHOD branch_list.
CONSTANTS lc_content_regex TYPE string VALUE '^[0-9a-f]{4}#'.
CONSTANTS lc_content_type TYPE string VALUE 'application/x-git-<service>-pack-advertisement'.
DATA lv_data TYPE string.
DATA lv_expected_content_type TYPE string.
eo_client = zcl_abapgit_http=>create_by_url(
iv_url = iv_url
iv_service = iv_service ).
lv_expected_content_type = lc_content_type.
REPLACE '<service>' IN lv_expected_content_type WITH iv_service.
eo_client->check_smart_response(
iv_expected_content_type = lv_expected_content_type
iv_content_regex = lc_content_regex ).
lv_data = eo_client->get_cdata( ).
CREATE OBJECT eo_branch_list
EXPORTING
iv_data = lv_data.
ENDMETHOD.
METHOD check_report_status.
DATA:
lv_string TYPE string,
lv_error TYPE string,
lv_unpack_status TYPE string,
lv_unpack_code TYPE string,
lv_unpack_text TYPE string,
lv_commnd_status TYPE string,
lv_commnd_code TYPE string,
lv_commnd_text TYPE string.
" Based on https://git-scm.com/docs/pack-protocol/2.2.3#_report_status
lv_string = iv_string.
IF lv_string = ''.
lv_error = 'Unexpected empty reply'.
ELSEIF strlen( lv_string ) < 4.
lv_error = 'Missing pkt length for unpack status'.
ELSE.
lv_string = lv_string+4.
SPLIT lv_string AT cl_abap_char_utilities=>newline INTO lv_unpack_status lv_string.
SPLIT lv_unpack_status AT space INTO lv_unpack_text lv_unpack_code.
IF lv_unpack_text <> 'unpack'.
lv_error = 'Unexpected unpack status'.
ELSEIF lv_unpack_code <> 'ok'.
lv_error = |Unpack not ok ({ lv_unpack_code })|.
ELSEIF lv_string = ''.
lv_error = 'Unexpected command status'.
ELSEIF strlen( lv_string ) < 4.
lv_error = 'Missing pkt length for command status'.
ELSE.
lv_string = lv_string+4.
SPLIT lv_string AT cl_abap_char_utilities=>newline INTO lv_commnd_status lv_string.
SPLIT lv_commnd_status AT space INTO lv_commnd_code lv_commnd_text.
IF lv_commnd_code <> 'ok'. "=ng
" Some pre-defined error messages
IF lv_commnd_text CP '*pre-receive hook declined*'.
lv_error = 'Pre-receive hook declined'.
ELSEIF lv_commnd_text CP '*protected branch hook declined*'.
lv_error = 'Protected branch hook declined'.
ELSEIF lv_commnd_text CP '*push declined due to email privacy*'.
lv_error = 'Push declined due to email privacy'.
ELSEIF lv_commnd_text CP '*funny refname*'.
lv_error = 'Funny refname'.
ELSEIF lv_commnd_text CP '*failed to update ref*'.
lv_error = 'Failed to update ref'.
ELSEIF lv_commnd_text CP '*missing necessary objects*'.
lv_error = 'Missing necessary objects'.
ELSEIF lv_commnd_text CP '*refusing to delete the current branch*'.
lv_error = 'Branch delete not allowed'.
ELSEIF lv_commnd_text CP '*cannot lock ref*reference already exists*'.
lv_error = 'Branch already exists'.
ELSEIF lv_commnd_text CP '*cannot lock ref*but expected*'.
lv_error = 'Branch cannot be locked'.
ELSEIF lv_commnd_text CP '*invalid committer*'.
lv_error = 'Invalid committer'.
ELSE.
" Otherwise return full error message
lv_error = lv_commnd_text.
ENDIF.
ELSEIF strlen( lv_string ) < 4.
lv_error = 'Missing flush-pkt'.
ELSEIF lv_string <> '0000' AND lv_string <> '00000000'.
" We update only one reference at a time so this should be the end
lv_error = 'Unexpected end of status (flush-pkt)'.
ENDIF.
ENDIF.
ENDIF.
IF lv_error IS NOT INITIAL.
zcx_abapgit_exception=>raise( |Git protocol error: { lv_error }| ).
ENDIF.
ENDMETHOD.
METHOD find_branch.
branch_list(
EXPORTING
iv_url = iv_url
iv_service = iv_service
IMPORTING
eo_client = eo_client
eo_branch_list = eo_branch_list ).
IF ev_branch IS SUPPLIED.
ev_branch = eo_branch_list->find_by_name( iv_branch_name )-sha1.
ENDIF.
ENDMETHOD.
METHOD parse.
CONSTANTS: lc_band1 TYPE x VALUE '01'.
DATA: lv_len TYPE i,
lv_contents TYPE xstring,
lv_pack TYPE xstring.
WHILE xstrlen( cv_data ) >= 4.
lv_len = zcl_abapgit_git_utils=>length_utf8_hex( cv_data ).
IF lv_len > xstrlen( cv_data ).
zcx_abapgit_exception=>raise( 'parse, string length too large' ).
ENDIF.
lv_contents = cv_data(lv_len).
IF lv_len = 0.
cv_data = cv_data+4.
CONTINUE.
ELSE.
cv_data = cv_data+lv_len.
ENDIF.
lv_contents = lv_contents+4.
IF xstrlen( lv_contents ) > 1 AND lv_contents(1) = lc_band1.
CONCATENATE lv_pack lv_contents+1 INTO lv_pack IN BYTE MODE.
ENDIF.
ENDWHILE.
ev_pack = lv_pack.
ENDMETHOD.
METHOD receive_pack.
DATA: lo_client TYPE REF TO zcl_abapgit_http_client,
lv_cmd_pkt TYPE string,
lv_line TYPE string,
lv_tmp TYPE xstring,
lv_xstring TYPE xstring,
lv_string TYPE string,
lv_cap_list TYPE string,
lv_buffer TYPE string.
find_branch(
EXPORTING
iv_url = iv_url
iv_service = c_service-receive
iv_branch_name = iv_branch_name
IMPORTING
eo_client = lo_client ).
lo_client->set_headers(
iv_url = iv_url
iv_service = c_service-receive ).
lv_cap_list = 'report-status'.
lv_line = iv_old &&
` ` &&
iv_new &&
` ` &&
iv_branch_name &&
zcl_abapgit_git_utils=>get_null( ) &&
` ` &&
lv_cap_list &&
cl_abap_char_utilities=>newline.
lv_cmd_pkt = zcl_abapgit_git_utils=>pkt_string( lv_line ).
lv_buffer = lv_cmd_pkt && '0000'.
lv_tmp = zcl_abapgit_convert=>string_to_xstring_utf8( lv_buffer ).
CONCATENATE lv_tmp iv_pack INTO lv_xstring IN BYTE MODE.
lv_xstring = lo_client->send_receive_close( lv_xstring ).
lv_string = zcl_abapgit_convert=>xstring_to_string_utf8( lv_xstring ).
check_report_status( lv_string ).
ENDMETHOD.
METHOD upload_pack.
DATA: lv_capa TYPE string,
lv_line TYPE string,
lv_buffer TYPE string,
lv_xstring TYPE xstring,
lv_pack TYPE xstring.
FIELD-SYMBOLS: <lv_hash> LIKE LINE OF it_hashes.
io_client->set_headers( iv_url = iv_url
iv_service = c_service-upload ).
LOOP AT it_hashes FROM 1 ASSIGNING <lv_hash>.
IF sy-tabix = 1.
lv_capa = 'side-band-64k no-progress multi_ack'.
lv_line = 'want' && ` ` && <lv_hash>
&& ` ` && lv_capa && cl_abap_char_utilities=>newline.
ELSE.
lv_line = 'want' && ` ` && <lv_hash>
&& cl_abap_char_utilities=>newline.
ENDIF.
lv_buffer = lv_buffer && zcl_abapgit_git_utils=>pkt_string( lv_line ).
ENDLOOP.
IF iv_deepen_level > 0.
lv_buffer = lv_buffer && zcl_abapgit_git_utils=>pkt_string( |deepen { iv_deepen_level }| &&
cl_abap_char_utilities=>newline ).
ENDIF.
lv_buffer = lv_buffer
&& '0000'
&& '0009done' && cl_abap_char_utilities=>newline.
lv_xstring = io_client->send_receive_close( zcl_abapgit_convert=>string_to_xstring_utf8( lv_buffer ) ).
parse( IMPORTING ev_pack = lv_pack
CHANGING cv_data = lv_xstring ).
IF lv_pack IS INITIAL.
zcx_abapgit_exception=>raise( 'Response could not be parsed - empty pack returned.' ).
ENDIF.
rt_objects = zcl_abapgit_git_pack=>decode( lv_pack ).
ENDMETHOD.
METHOD upload_pack_by_branch.
DATA: lo_client TYPE REF TO zcl_abapgit_http_client,
lt_hashes TYPE zif_abapgit_git_definitions=>ty_sha1_tt.
FIELD-SYMBOLS: <ls_branch> LIKE LINE OF it_branches.
CLEAR: et_objects,
ev_branch.
find_branch(
EXPORTING
iv_url = iv_url
iv_service = c_service-upload
iv_branch_name = iv_branch_name
IMPORTING
eo_client = lo_client
ev_branch = ev_branch ).
IF it_branches IS INITIAL.
APPEND ev_branch TO lt_hashes.
ELSE.
LOOP AT it_branches ASSIGNING <ls_branch>.
APPEND <ls_branch>-sha1 TO lt_hashes.
ENDLOOP.
ENDIF.
et_objects = upload_pack( io_client = lo_client
iv_url = iv_url
iv_deepen_level = iv_deepen_level
it_hashes = lt_hashes ).
ENDMETHOD.
METHOD upload_pack_by_commit.
DATA: lo_client TYPE REF TO zcl_abapgit_http_client,
lt_hashes TYPE zif_abapgit_git_definitions=>ty_sha1_tt.
CLEAR: et_objects,
ev_commit.
APPEND iv_hash TO lt_hashes.
ev_commit = iv_hash.
lo_client = zcl_abapgit_http=>create_by_url(
iv_url = iv_url
iv_service = c_service-upload ).
et_objects = upload_pack( io_client = lo_client
iv_url = iv_url
iv_deepen_level = iv_deepen_level
it_hashes = lt_hashes ).
ENDMETHOD.
METHOD branches.
" This method is kept for compatibility reasons
ro_branch_list = zcl_abapgit_git_factory=>get_git_transport( )->branches( iv_url ).
ENDMETHOD.
ENDCLASS.
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