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module external_handling
implicit none
contains
function generate_jobs_gemini() result(res)
use captain_db
implicit none
character(len=:), pointer::res
type(job), dimension(:), pointer::jobs
integer::n, i, nsize
n = get_player_count()
if(n == 0) then
allocate(character(len=1024) :: res)
res = "None Yet"
else
end if
end function generate_jobs_gemini
function generate_players_gemini() result(res)
use captain_db
implicit none
character(len=:), pointer::res
character(len=PLAYER_NAME_LENGTH), dimension(:), pointer::players
integer::n, i, nsize
character(len=3*PLAYER_NAME_LENGTH)::one_player
n = get_player_count()
if(n == 0) then
allocate(character(len=1024) :: res)
res = "None Yet"
else
players => get_player_names()
nsize = 1024
do i = 1, size(players)
nsize = nsize + 16 + 2*len_trim(players(i))
end do
allocate(character(len=nsize) :: res)
res = "## Existing Players"
do i = 1, n
one_player = "=> /players/"//trim(players(i))//".gmi "//trim(players(i))
if(i == 1) then
res = trim(res)//new_line(res(1:1))//new_line(res(1:1))//trim(one_player)
else
res = trim(res)//new_line(res(1:1))//trim(one_player)
end if
end do
deallocate(players)
end if
res = trim(res)//new_line(res(1:1))//new_line(res(1:1))//"## Management"// &
new_line(res(1:1))//"=> /players/add.gmi Add Player"
end function generate_players_gemini
function generate_instructions_gemini() result(res)
use captain_db
implicit none
character(len=:), pointer::res
character(len=PLAYER_NAME_LENGTH), dimension(:), pointer::instruction_names
integer::n, i, nsize
character(len=3*PLAYER_NAME_LENGTH)::one_player
n = get_instuctions_count()
if(n == 0) then
allocate(character(len=1024) :: res)
res = "None Yet"
else
instruction_names => get_instruction_names()
nsize = 1024
do i = 1, size(instruction_names)
nsize = nsize + 16 + 2*len_trim(instruction_names(i))
end do
allocate(character(len=nsize) :: res)
res = "## Instructions"
do i = 1, n
one_player = "=> /instructions/"//trim(instruction_names(i))//".json "//trim(instruction_names(i))
if(i == 1) then
res = trim(res)//new_line(res(1:1))//new_line(res(1:1))//trim(one_player)
else
res = trim(res)//new_line(res(1:1))//trim(one_player)
end if
end do
deallocate(instruction_names)
end if
res = trim(res)//new_line(res(1:1))//new_line(res(1:1))//"## Management"// &
new_line(res(1:1))//"=> /instructions/scan.gmi Scan for Instructions"
end function generate_instructions_gemini
pure function is_input_provided_request(req)
use server_response, only: request
implicit none
class(request), intent(in)::req
logical::is_input_provided_request
is_input_provided_request = associated(req%query_string)
end function is_input_provided_request
pure function is_input_required_request(req)
use server_response, only: request
implicit none
class(request), intent(in)::req
logical::is_input_required_request
is_input_required_request = .false.
if(req%location == "/players/add.gmi") then
is_input_required_request = .true.
end if
end function is_input_required_request
function external_input_required_gemini(req) result(resp)
use server_response
implicit none
class(request), intent(in)::req
type(response)::resp
resp%code = GEMINI_CODE_INPUT
if(req%location == "/players/add.gmi") then
call resp%set_message("Enter name of new player to add")
end if
end function external_input_required_gemini
function external_input_request_gemini(req) result(resp)
use server_response
use captain_db
implicit none
class(request), intent(in)::req
type(response)::resp
if(req%location == "/players/add.gmi") then
call add_player_db(req%query_string)
resp%code = GEMINI_CODE_REDIRECT
call resp%set_url("/players.gmi")
end if
end function external_input_request_gemini
function is_request_static(req)
use server_response
use logging
implicit none
class(request), intent(in)::req
logical::is_request_static
character(64)::first
call req%path_component(1, first)
call write_log("Static check: "//trim(first))
is_request_static = ((trim(first) == "releases") .or. &
(trim(first) == "uploads") .or. &
(trim(first) == "results") .or. &
(trim(first) == "static") .or. &
(trim(first) == "favicon.txt") .or. &
(trim(first) == "instructions"))
end function is_request_static
function is_redirect_action(req)
use server_response
implicit none
class(request), intent(in)::req
logical::is_redirect_action
is_redirect_action = .false.
if(req%location == "/instructions/scan.gmi") then
is_redirect_action = .true.
end if
end function is_redirect_action
function external_redirect_action_request_gemini(req) result(resp)
use captain_db
use server_response
use logging
implicit none
class(request), intent(in)::req
type(response)::resp
resp%code = GEMINI_CODE_REDIRECT
if(req%location == "/instructions/scan.gmi") then
call scan_instructions_for_db()
call resp%set_url("/instructions.gmi")
end if
end function external_redirect_action_request_gemini
function external_request_static(req) result(resp)
use logging, only: write_log
use config
use utilities
use server_response
implicit none
class(request), intent(in)::req
type(response)::resp
character(64)::category
character(256)::filename
logical::exists
resp%temporary_file = .false.
call req%path_component(1, category)
call req%last_component(filename)
call write_log("Catgeory: "//trim(category)//" File: "//trim(filename))
if(category == "releases") then
allocate(character(len=(len_trim(release_dir)+len_trim(filename)+1)) :: resp%body_filename)
call combine_paths(release_dir, filename, resp%body_filename)
else if(category == "uploads") then
allocate(character(len=(len_trim(release_dir)+len_trim(filename)+1)) :: resp%body_filename)
call combine_paths(release_dir, filename, resp%body_filename)
else if(category == "results") then
allocate(character(len=(len_trim(results_dir)+len_trim(filename)+1)) :: resp%body_filename)
call combine_paths(results_dir, filename, resp%body_filename)
else if(category == "static") then
allocate(character(len=(len_trim(static_dir)+len_trim(filename)+1)) :: resp%body_filename)
call combine_paths(static_dir, filename, resp%body_filename)
else if(category == "favicon.txt") then
allocate(character(len=(len_trim(static_dir)+len_trim(filename)+1)) :: resp%body_filename)
call combine_paths(static_dir, filename, resp%body_filename)
end if
inquire(file=resp%body_filename, exist=exists)
if(.not. exists) then
resp%code = GEMINI_CODE_PERMFAIL
call write_log("File did not exist: "//resp%body_filename)
else
resp%code = GEMINI_CODE_SUCCESS
if(index(filename, ".gmi") /= 0) then
resp%body_mimetype = "text/gemini"
else if(index(filename, ".txt") /= 0) then
resp%body_mimetype = "text/plain"
else if(index(filename, ".json") /= 0) then
resp%body_mimetype = "text/plain"
! Just a catch-all, whatever...
else
resp%body_mimetype = "application/octet-stream"
end if
end if
end function external_request_static
function external_request_templated(req) result(resp)
use page_template
use config, only: template_filepath, project
use logging, only: write_log
use server_response
implicit none
class(request), intent(in)::req
type(response)::resp
character(1024)::template_file
type(template)::page
character(len=:), pointer::contents
! Open the base template
call template_filepath("index.gmi", template_file)
call page%init(trim(template_file))
call write_log("Processing request")
if(trim(req%location) == "/" .or. trim(req%location) == "/index.gmi") then
call write_log("Assign")
call page%assign('title', 'Home')
call write_log("Assign done")
else if(trim(req%location) == "/releases.gmi") then
call page%assign('title', 'Releases')
else if(trim(req%location) == "/jobs.gmi") then
call page%assign('title', 'Jobs')
contents => generate_jobs_gemini()
call page%assign('contents', contents)
else if(trim(req%location) == "/players.gmi") then
call page%assign('title', 'Players')
contents => generate_players_gemini()
call page%assign('contents', contents)
else if(req%location(1:9) == '/players/') then
else if(trim(req%location) == "/about.gmi") then
call page%assign('title', 'About')
else if(trim(req%location) == "/instructions.gmi") then
call page%assign('title', 'Build Instructions')
contents => generate_instructions_gemini()
call page%assign('contents', contents)
else
call page%assign('title', 'Not Found')
end if
call page%assign('project', project)
call write_log("Rendering page for "//req%location)
call page%render()
call write_log("Finalizing response")
resp%temporary_file = .true.
resp%body_filename => page%output_filename
resp%body_mimetype = "text/gemini"
resp%code = GEMINI_CODE_SUCCESS
end function external_request_templated
function external_request_gemini(req) result(resp)
use server_response
use logging
implicit none
class(request), intent(in)::req
type(response)::resp
if(is_redirect_action(req)) then
call write_log("Action request")
resp = external_redirect_action_request_gemini(req)
else if(is_input_provided_request(req)) then
call write_log("Input request")
resp = external_input_request_gemini(req)
else if(is_input_required_request(req)) then
call write_log("Input required")
resp = external_input_required_gemini(req)
else if(is_request_static(req)) then
call write_log("Req static")
resp = external_request_static(req)
else
call write_log("Req template")
resp = external_request_templated(req)
end if
end function external_request_gemini
end module external_handling
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