mirror of https://github.com/jeelabs/esp-link.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
322 lines
7.1 KiB
322 lines
7.1 KiB
#!/usr/bin/perl
|
|
use strict;
|
|
|
|
use IO::Socket::INET;
|
|
use Data::Dumper;
|
|
use File::Basename;
|
|
|
|
# auto-flush on socket
|
|
$| = 1;
|
|
|
|
# creating a listening socket
|
|
my $server = new IO::Socket::INET (
|
|
LocalHost => '0.0.0.0',
|
|
LocalPort => '7777',
|
|
Proto => 'tcp',
|
|
Listen => 5,
|
|
Reuse => 1
|
|
);
|
|
die "cannot create socket $!\n" unless $server;
|
|
print "server waiting for client connection on port 7777\n";
|
|
|
|
|
|
my @webmethods = (
|
|
[ "menu", \&getMenu ],
|
|
[ "pins", \&getPins ],
|
|
[ "system/info", \&getSystemInfo ],
|
|
[ "wifi/info", \&getWifiInfo ],
|
|
);
|
|
|
|
my $client;
|
|
|
|
while ($client = $server->accept())
|
|
{
|
|
my $pid ;
|
|
while (not defined ($pid = fork()))
|
|
{
|
|
sleep 5;
|
|
}
|
|
if ($pid)
|
|
{
|
|
close $client; # Only meaningful in the client
|
|
}
|
|
else
|
|
{
|
|
$client->autoflush(1); # Always a good idea
|
|
close $server;
|
|
|
|
my $httpReq = parse_http( $client );
|
|
#print Dumper($httpReq);
|
|
my $httpResp = process_http( $httpReq );
|
|
#print Dumper($httpResp);
|
|
|
|
my $data = "HTTP/1.1 " . $httpResp->{code} . " " . $httpResp->{text} . "\r\n";
|
|
|
|
if( exists $httpResp->{fields} )
|
|
{
|
|
for my $key( keys %{$httpResp->{fields}} )
|
|
{
|
|
$data .= "$key: " . $httpResp->{fields}{$key} . "\r\n";
|
|
}
|
|
}
|
|
$data .= "\r\n";
|
|
if( exists $httpResp->{body} )
|
|
{
|
|
$data .= $httpResp->{body};
|
|
}
|
|
|
|
$client->send($data);
|
|
|
|
if( $httpResp->{done} )
|
|
{
|
|
# notify client that response has been sent
|
|
#shutdown($client, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
exit(0);
|
|
|
|
sub parse_http
|
|
{
|
|
my ($client) = @_;
|
|
# read up to 1024 characters from the connected client
|
|
my $data = "";
|
|
|
|
do{
|
|
my $buf = "";
|
|
$client->recv($buf, 1024);
|
|
$data .= $buf;
|
|
}while( $data !~ /\r\n\r\n/s );
|
|
#print "Query: $data\n";
|
|
|
|
my %resp;
|
|
|
|
my @lines = split /\r\n/, $data;
|
|
my $head = shift @lines;
|
|
|
|
if( $head =~ /(GET|POST) / )
|
|
{
|
|
$resp{method} = $1;
|
|
$head =~ s/(GET|POST) //;
|
|
if( $head =~ /^([^ ]+) HTTP\/\d\.\d/ )
|
|
{
|
|
$resp{url} = $1;
|
|
|
|
my %fields;
|
|
while( my $arg = shift @lines )
|
|
{
|
|
if( $arg =~ /^([\w-]+): (.*)$/ )
|
|
{
|
|
$fields{$1} = $2;
|
|
}
|
|
}
|
|
$resp{fields} = \%fields;
|
|
}
|
|
else
|
|
{
|
|
$resp{method} = 'ERROR';
|
|
$resp{error} = 'Invalid HTTP request';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$resp{method} = 'ERROR';
|
|
$resp{error} = 'Invalid HTTP request';
|
|
}
|
|
|
|
return \%resp;
|
|
}
|
|
|
|
sub error_response
|
|
{
|
|
my ($code, $msg) = @_;
|
|
|
|
my %resp;
|
|
$resp{code} = $code;
|
|
$resp{text} = $msg;
|
|
$resp{fields} = {};
|
|
$resp{done} = 1;
|
|
|
|
return \%resp;
|
|
}
|
|
|
|
sub slurp
|
|
{
|
|
my ($file) = @_;
|
|
|
|
open IF, "<", $file or die "Can't read file: $!";
|
|
my @fc = <IF>;
|
|
close(IF);
|
|
my $cnt = join("", @fc);
|
|
return $cnt;
|
|
}
|
|
|
|
sub content_response
|
|
{
|
|
my ($content, $url) = @_;
|
|
|
|
my %resp;
|
|
$resp{code} = 200;
|
|
$resp{text} = "OK";
|
|
$resp{done} = 1;
|
|
$resp{body} = $content;
|
|
|
|
$resp{fields} = {};
|
|
$resp{fields}{'Content-Length'} = length($content);
|
|
|
|
$resp{fields}{'Content-Type'} = "text/json";
|
|
$resp{fields}{'Content-Type'} = "text/html; charset=UTF-8" if( $url =~ /\.html$/ );
|
|
$resp{fields}{'Content-Type'} = "text/css" if( $url =~ /\.css$/ );
|
|
$resp{fields}{'Content-Type'} = "text/javascript" if( $url =~ /\.js$/ );
|
|
$resp{fields}{'Content-Type'} = "image/gif" if( $url =~ /\.ico$/ );
|
|
$resp{fields}{'Connection'} = 'close';
|
|
|
|
return \%resp;
|
|
}
|
|
|
|
sub process_http
|
|
{
|
|
my ($httpReq) = @_;
|
|
if( $httpReq->{method} eq 'ERROR' )
|
|
{
|
|
return error_response(400, $httpReq->{error});
|
|
}
|
|
|
|
if( $httpReq->{method} eq 'GET' )
|
|
{
|
|
my $url = $httpReq->{url};
|
|
$url =~ s/^\///;
|
|
|
|
$url = "home.html" if ! $url;
|
|
|
|
my $pth = dirname $0;
|
|
|
|
if( -f "$pth/../html/$url" )
|
|
{
|
|
my $cnt = slurp( "$pth/../html/$url" );
|
|
|
|
if( $url =~ /\.html$/ )
|
|
{
|
|
my $prep = slurp( "$pth/../html/head-" );
|
|
$cnt = "$prep$cnt";
|
|
}
|
|
return content_response($cnt, $url);
|
|
}
|
|
if( -f "$pth/web-server/$url" )
|
|
{
|
|
my $cnt = slurp( "$pth/web-server/$url" );
|
|
|
|
if( $url =~ /\.html$/ )
|
|
{
|
|
my $prep = slurp( "$pth/head-user-" );
|
|
$cnt = "$prep$cnt";
|
|
}
|
|
return content_response($cnt, $url);
|
|
}
|
|
elsif( grep { $_->[0] eq $url } @webmethods )
|
|
{
|
|
my @mth = grep { $_->[0] eq $url } @webmethods;
|
|
my $webm = $mth[0];
|
|
|
|
return content_response( $webm->[1]->(), $url );
|
|
}
|
|
else
|
|
{
|
|
return error_response(404, "File not found");
|
|
}
|
|
}
|
|
|
|
# TODO
|
|
|
|
return error_response(400, "Invalid HTTP request");
|
|
}
|
|
|
|
sub getMenu
|
|
{
|
|
my $out = sprintf(
|
|
"{ " .
|
|
"\"menu\": [ " .
|
|
"\"Home\", \"/home.html\", " .
|
|
"\"WiFi Station\", \"/wifi/wifiSta.html\", " .
|
|
"\"WiFi Soft-AP\", \"/wifi/wifiAp.html\", " .
|
|
"\"µC Console\", \"/console.html\", " .
|
|
"\"Services\", \"/services.html\", " .
|
|
#ifdef MQTT
|
|
"\"REST/MQTT\", \"/mqtt.html\", " .
|
|
#endif
|
|
"\"Debug log\", \"/log.html\", " .
|
|
"\"Web Server\", \"/web-server.html\"" .
|
|
"%s" .
|
|
" ], " .
|
|
"\"version\": \"%s\", " .
|
|
"\"name\": \"%s\"" .
|
|
" }", readUserPages(), "dummy", "dummy-esp-link");
|
|
|
|
return $out;
|
|
}
|
|
|
|
sub getPins
|
|
{
|
|
return '{ "reset":12, "isp":-1, "conn":-1, "ser":2, "swap":0, "rxpup":1 }';
|
|
}
|
|
|
|
sub getSystemInfo
|
|
{
|
|
return '{ "name": "esp-link-dummy", "reset cause": "6=external", "size": "4MB:512/512", "upload-size": "3145728", "id": "0xE0 0x4016", "partition": "user2.bin", "slip": "disabled", "mqtt": "disabled/disconnected", "baud": "57600", "description": "" }';
|
|
}
|
|
|
|
sub getWifiInfo
|
|
{
|
|
return '{"mode": "STA", "modechange": "yes", "ssid": "DummySSID", "status": "got IP address", "phy": "11n", "rssi": "-45dB", "warn": "Switch to <a href=\"#\" onclick=\"changeWifiMode(3)\">STA+AP mode</a>", "apwarn": "Switch to <a href=\"#\" onclick=\"changeWifiMode(3)\">STA+AP mode</a>", "mac":"12:34:56:78:9a:bc", "chan":"11", "apssid": "ESP_012345", "appass": "", "apchan": "11", "apmaxc": "4", "aphidd": "disabled", "apbeac": "100", "apauth": "OPEN","apmac":"12:34:56:78:9a:bc", "ip": "192.168.1.2", "netmask": "255.255.255.0", "gateway": "192.168.1.1", "hostname": "esp-link", "staticip": "0.0.0.0", "dhcp": "on"}';
|
|
}
|
|
|
|
sub read_dir_structure
|
|
{
|
|
my ($dir, $base) = @_;
|
|
|
|
my @files;
|
|
|
|
opendir my $dh, $dir or die "Could not open '$dir' for reading: $!\n";
|
|
|
|
while (my $file = readdir $dh) {
|
|
if ($file eq '.' or $file eq '..') {
|
|
next;
|
|
}
|
|
|
|
my $path = "$dir/$file";
|
|
if( -d "$path" )
|
|
{
|
|
my @sd = read_dir_structure($path, "$base/$file");
|
|
push @files, @sd ;
|
|
}
|
|
else
|
|
{
|
|
push @files, "$base/$file";
|
|
}
|
|
}
|
|
|
|
close( $dh );
|
|
|
|
$_ =~ s/^\/// for(@files);
|
|
return @files;
|
|
}
|
|
|
|
sub readUserPages
|
|
{
|
|
my $pth = dirname $0;
|
|
my @files = read_dir_structure( "$pth/web-server", "/" );
|
|
|
|
@files = grep { $_ =~ /\.html$/ } @files;
|
|
|
|
my $add = '';
|
|
for my $f ( @files )
|
|
{
|
|
my $nam = $f;
|
|
$nam =~ s/\.html$//;
|
|
$nam =~ s/[^\/]*\///g;
|
|
$add .= ", \"$nam\", \"$f\"";
|
|
}
|
|
|
|
return $add;
|
|
}
|
|
|