143 lines
3.5 KiB
Perl
143 lines
3.5 KiB
Perl
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#!/usr/bin/env perl
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use utf8;
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use strict;
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use warnings;
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use open qw(:std :utf8);
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######################
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# Server Configuration
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######################
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my $server_port = 4227;
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#########################################
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# dotplan.online Reference Implementation
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#########################################
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{
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package DotplanApi;
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use base qw(HTTP::Server::Simple::CGI);
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use POSIX qw(strftime);
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use JSON qw(encode_json decode_json);
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use HTML::Entities qw(encode_entities);
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###############
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# Common Errors
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###############
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my $not_found = encode_json({error => 'Not found.'});
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my $not_implemented = encode_json({error => 'Not implemented yet.'});
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#################
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# Request Routing
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#################
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sub handle_request {
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my ($self, $cgi) = @_;
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my $path = $cgi->path_info();
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my $method = $cgi->request_method();
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if ($method eq 'GET') {
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if ($path =~ /^\/plan\/(.*)$/) {
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get_plan($1, $cgi);
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} elsif ($path =~ /^\/users\/([^\/]*)$/) {
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verify_email($1, $cgi);
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} elsif ($path =~ /^\/users\/([^\/]*)\/token$/) {
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get_token($1, $cgi);
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} else {
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print_response(404, $not_found);
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}
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} elsif ($method eq 'POST') {
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if ($path =~ /^\/users\/?$/) {
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create_user($cgi);
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} else {
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print_response(404, $not_found);
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}
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} elsif ($method eq 'PUT') {
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if ($path =~ /^\/plan\/(.*)$/) {
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update_plan($cgi);
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} else {
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print_response(404, $not_found);
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}
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} elsif ($method eq 'DELETE') {
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if ($path =~ /^\/users\/([^\/]*)\/token$/) {
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delete_token($1, $cgi);
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} else {
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print_response(404, $not_found);
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}
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} else {
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print_response(405, encode_json({error => 'Not supported.'}));
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}
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}
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##################
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# Response Handler
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##################
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sub print_response {
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my ($code, $body, $type) = @_;
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if (!defined $type) {
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$type = 'application/json';
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}
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my $length = length($body);
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my $date = strftime("%a, %d %b %Y %H:%M:%S %z", localtime(time()));
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print <<EOF;
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HTTP/1.0 200 OK
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Server: DotplanApi
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Date: $date
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Content-Type: $type
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Content-Length: $length
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EOF
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print "\n$body";
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}
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####################
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# API Implementation
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####################
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##### GET /plan/{email}
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sub get_plan {
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my ($email, $cgi) = @_;
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my $plan = {plan => 'my plan & goals in life </sarcasm>'};
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# found plan, render response
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my $accept = $cgi->http('Accept');
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my $format = lc($cgi->param('format') || $cgi->http('Accept'));
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my $body;
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if ($format eq 'json' || $format eq 'application/json') {
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$format = 'application/json';
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$body = encode_json($plan);
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} elsif ($format eq 'html' || $format eq 'text/html') {
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$format = 'text/html';
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$body = encode_entities($plan->{'plan'});
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} else {
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$format = 'text/plain';
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$body = $plan->{'plan'};
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}
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print_response(200, $body, $format);
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}
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##### GET /users/{email}?token={token}
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sub verify_email { print_response(501, $not_implemented); }
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##### GET /users/{email}/token
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sub get_token { print_response(501, $not_implemented); }
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##### POST /users
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sub create_user { print_response(501, $not_implemented); }
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##### PUT /plan/{email}
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sub update_plan { print_response(501, $not_implemented); }
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##### DELETE /users/{email}/token
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sub delete_token { print_response(501, $not_implemented); }
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}
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# start server in background
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my $pid = DotplanApi->new($server_port)->background();
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print "Use 'kill $pid' to stop server.\n";
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