Files
EWF/request/get_request_handler.e
2011-05-21 12:46:45 -03:00

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class
GET_REQUEST_HANDLER
inherit
SHARED_DOCUMENT_ROOT
SHARED_URI_CONTENTS_TYPES
HTTP_REQUEST_HANDLER
HTTP_CONSTANTS
create
default_create
feature
process
-- process the request and create an answer
local
fname: STRING_8
f: RAW_FILE
ctype, extension: STRING_8
do
create answer.make
if request_uri.is_equal ("/") then
process_default
answer.set_content_type ("text/html")
else
fname := Document_root_cell.item.twin
fname.append (request_uri)
debug
print ("URI name: " + fname)
end
create f.make (fname)
create answer.make
if f.exists then
extension := Ct_table.extension (request_uri)
ctype := Ct_table.content_types.item (extension)
if f.is_directory then
process_directory (f)
else
if ctype = Void then
process_raw_file (f)
answer.set_content_type ("text/html")
else
if ctype.is_equal ("text/html") then
process_text_file (f)
else
process_raw_file (f)
end
answer.set_content_type (ctype)
end
end
else
answer.set_status_code (Not_found)
answer.set_reason_phrase (Not_found_message)
answer.set_reply_text ("Not found on this server")
end
end
answer.set_content_length (answer.reply_text.count.out)
end
process_default
-- Return a defaul response
local
html: STRING_8
do
answer.set_reply_text ("")
html := " <html> <head> <title> NINO HTTPD </title> " + " </head> " + " <body> " + " <h1> Welcome to NINO HTTPD! </h1> " + " <p> Default page " + " </p> " + " </body> " + " </html> "
answer.append_reply_text (html)
end
process_text_file (f: FILE)
-- send a text file reply
require
valid_f: f /= Void
do
f.open_read
from
answer.set_reply_text ("")
f.read_line
until
f.end_of_file
loop
answer.append_reply_text (f.last_string)
answer.append_reply_text (Crlf)
f.read_line
end
f.close
end
process_raw_file (f: FILE)
-- send a raw file reply
require
valid_f: f /= Void
do
f.open_read
from
answer.set_reply_text ("")
until
f.end_of_file
loop
f.read_stream_thread_aware (1024)
answer.append_reply_text (f.last_string)
end
f.close
end
process_directory (f: FILE)
--read the directory
require
is_directory: f.is_directory
local
l_dir: DIRECTORY
files: ARRAYED_LIST [STRING_8]
html1: STRING_8
html2: STRING_8
htmldir: STRING_8
path: STRING_8
index: INTEGER_32
do
answer.set_reply_text ("")
html1 := " <html> <head> <title> NINO HTTPD </title> " + " </head> " + " <body> " + " <h1> Welcome to NINO HTTPD! </h1> " + " <p> Default page "
html2 := " </p> " + " </body> " + " </html> "
path := f.name.twin
index := path.last_index_of ('/', path.count)
path.remove_substring (1, index)
create l_dir.make_open_read (f.name)
files := l_dir.linear_representation
from
files.start
htmldir := "<ul>"
until
files.after
loop
htmldir := htmldir + "<li><a href=%"./" + path + "/" + files.item_for_iteration + "%">" + files.item_for_iteration + "</a> </li>%N"
files.forth
end
htmldir := htmldir + "</ul>"
answer.append_reply_text (html1 + htmldir + html2)
end
end -- class GET_REQUEST_HANDLER