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program prices(input, output);
const
MaxBuffer = 256;
BASE = 'http://www.irietools.com/';
var
buffer : string[MaxBuffer];
NewLocation : string;
procedure Init;
begin
NewLocation := BASE
end;
procedure GenerateHTTPHeader;
begin
writeln('Content-type: text/html');
writeln;
end;
procedure GetCGIData;
var
RequestMethod : string;
procedure GetRequest;
begin (* GetRequest *)
buffer := getenv('QUERY_STRING')
end; (* GetRequest *)
procedure PostRequest;
var
len, i : 0..maxint;
err : integer;
ContentLength : string;
c : char;
begin (* PostRequest *)
buffer := '';
ContentLength := getenv('CONTENT_LENGTH');
if ContentLength <> '' then
val(ContentLength, len, err)
else
len := 0;
if len <= MaxBuffer then
for i := 1 to len do
begin
read(c);
buffer := buffer + c
end
end; (* PostRequest *)
begin (* GetCGIData *)
RequestMethod := getenv('REQUEST_METHOD');
if RequestMethod = 'GET' then
GetRequest
else
PostRequest
end; (* GetCGIData *)
procedure ProcessCGIData;
var
i, num, p : integer;
EncodedVariable, DecodedVariable, name, value : string;
procedure ProcessNameValuePair(var name, value : string);
begin
if (name = 'lstnavigation') or (name = 'navigation') or (name = 'goto') then
begin
if value <> '[none]' then
if lowercase(copy(value, 1, 5)) = 'http:' then
NewLocation := value
else
NewLocation := BASE + value
end
else
; (* do nothing we have an undefined form element *)
end;
begin (* ProcessCGIData *)
num := CountWords(buffer, '&');
for i := 1 to num do
begin
EncodedVariable := CopyWord(buffer, i, '&');
DecodedVariable := URLDecode(EncodedVariable);
p := pos('=', DecodedVariable);
if p > 0 then
begin
name := lowercase(trim(copy(DecodedVariable, 1, p-1)));
value := lowercase(trim(copy(DecodedVariable, p+1)));
ProcessNameValuePair(name, value);
end
end
end; (* ProcessCGIData *)
procedure GenerateResponse;
procedure GenerateHTMLHeader;
begin
writeln('<html>');
writeln('<head>');
writeln('<meta name="Description" content="Redirect New Location">');
writeln('<meta http-equiv="Refresh" content="0;URL=', NewLocation, '">');
writeln('<title>Redirect to New Location</title>');
writeln('</head>');
end;
procedure GenerateHTMLFooter;
begin
writeln('<hr>');
writeln('<p>');
writeln('Redirect 1.0 Copyright © 1999-2001, Stuart King<br>');
writeln('Home page <a href="http://www.irietools.com/">www.irietools.com</a>');
writeln('</p>');
writeln('</body>');
writeln('</html>');
end;
begin (* GenerateResponse *)
GenerateHTMLHeader;
writeln('<body bgcolor="#FFE8E8">');
writeln('<p>You should be automatically taken to the next page.</p>');
writeln('<p>However if your browser does not support redirection ');
writeln('click <a href="', NewLocation, '">here</a></p>');
GenerateHTMLFooter;
end; (* GenerateResponse *)
begin
GenerateHTTPHeader;
Init;
GetCGIData;
ProcessCGIData;
GenerateResponse;
end.
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