use strict;
use warnings;
+# Fix use of acl
+use filetest qw(access);
+
# Symbol export
use Exporter;
our @ISA = qw(Exporter);
-our @EXPORT_OK = qw(DS CERT_DIR KEY_DIR REQUEST_CSR ACCOUNT_KEY SERVER_KEY SERVER_CRT CONFIG);
+our @EXPORT_OK = qw(VERSION);
# Load dependancies
use Carp qw(carp confess);
use Date::Parse qw(str2time);
use Digest::SHA qw(sha256_base64);
use Email::Valid;
+use File::Copy qw(copy);
use File::Path qw(make_path);
use File::Slurp qw(read_file write_file);
use File::Temp; # qw( :seekable );
use POSIX qw(EXIT_FAILURE);
use Tie::IxHash;
+# Debug
+use Data::Dumper;
+
# Documentation links
#XXX: see https://letsencrypt.github.io/acme-spec/ (probably based on https://ietf-wg-acme.github.io/acme/)
#XXX: see jwk rfc http://www.rfc-editor.org/rfc/rfc7517.txt
# Set constants
use constant {
- # Directory separator
- DS => '/',
-
- # Directory for certificates
- CERT_DIR => 'cert',
-
- # Directory for keys
- KEY_DIR => 'key',
-
- # Directory for pending cache
- PENDING_DIR => 'pending',
-
# Request certificate file name
REQUEST_CSR => 'request.der',
- # Account key file name
- ACCOUNT_KEY => 'account.pem',
-
- # Server private key
- SERVER_KEY => 'server.pem',
-
- # Server public certificate
- SERVER_CRT => 'server.crt',
-
# rsa
KEY_TYPE => 'rsa',
ACME_CERT => 'https://letsencrypt.org/certs/lets-encrypt-x3-cross-signed.pem',
ACME_DIR => 'https://acme-staging.api.letsencrypt.org/directory',
ACME_PROD_DIR => 'https://acme-v01.api.letsencrypt.org/directory',
- ACME_TERMS => 'https://letsencrypt.org/documents/LE-SA-v1.1.1-August-1-2016.pdf',
# Version
- VERSION => 'v0.7',
-
- # Config
- CONFIG => '/etc/acme/config'
+ VERSION => 'v0.8',
};
# User agent object
# Constructor
sub new {
# Extract params
- my ($class, $mail, $debug, $prod, @domains) = @_;
+ my ($class, $debug, $domain, $config) = @_;
# Create self hash
my $self = {};
# Save debug
$self->{debug} = $debug;
- # Save prod
- $self->{prod} = $prod;
+ # Save domain
+ $self->{domain} = $domain;
+
+ # Save config
+ $self->{config} = $config;
+
+ # Save domains
+ @{$self->{domains}} = ($domain->{domain}, @{$domain->{domains}});
# Add extra check to mail validity
#XXX: mxcheck fail if there is only a A record on the domain
my $ev = Email::Valid->new(-fqdn => 1, -tldcheck => 1, -mxcheck => 1);
# Show error if check fail
- if (! defined $ev->address($mail)) {
+ if (! defined $ev->address($self->{domain}{mail})) {
map { carp 'failed check: '.$_ if ($self->{debug}) } $ev->details();
confess 'Email::Valid->address failed';
}
# Save mail
- $self->{mail} = $mail;
+ $self->{mail} = $self->{domain}{mail};
# Create resolver
my $res = new Net::DNS::Resolver();
confess 'search recursively A record for '.$_.' failed';
}
}
- } @domains;
-
- # Save domains
- @{$self->{domains}} = @domains;
+ } @{$self->{domains}};
# Return class reference
return $self;
sub prepare {
my ($self) = @_;
+ # Extract cert directory and filename
+ my ($certFile, $certDir) = File::Spec->splitpath($self->{domain}{cert});
+
+ # Extract key directory and filename
+ my ($keyFile, $keyDir) = File::Spec->splitpath($self->{domain}{key});
+
+ # Extract account directory and filename
+ my ($accountFile, $accountDir) = File::Spec->splitpath($self->{domain}{account});
+
# Create all paths
- make_path(CERT_DIR, KEY_DIR, PENDING_DIR.'/'.$self->{mail}.'.'.($self->{prod} ? 'prod' : 'staging'), {error => \my $err});
- if (@$err) {
- map {
- my ($file, $msg) = %$_;
- carp ($file eq '' ? '' : $file.': ').$msg if ($self->{debug});
- } @$err;
- confess 'make_path failed';
+ {
+ make_path($certDir, $keyDir, $accountDir, $self->{config}{pending}.'/'.$self->{mail}.'.'.($self->{domain}{prod} ? 'prod' : 'staging'), {error => \my $err});
+ if (@$err) {
+ map {
+ my ($file, $msg) = %$_;
+ carp ($file eq '' ? '' : $file.': ').$msg if ($self->{debug});
+ } @$err;
+ confess 'make_path failed';
+ }
}
# Create user agent
$ua = LWP::UserAgent->new;
- $ua->agent(__PACKAGE__.'/'.VERSION)
+ $ua->agent(__PACKAGE__.'/'.VERSION);
+
+ # Check that certificate is writable
+ unless (-w $certDir || -w $self->{domain}{cert}) {
+ confess('Directory '.$certDir.' or file '.$self->{domain}{cert}.' must be writable: '.$!);
+ }
+
+ # Check that key is writable
+ unless (-r $self->{domain}{key} || -w $keyDir) {
+ confess('File '.$self->{domain}{key}.' must be readable or directory '.$keyDir.' must be writable: '.$!);
+ }
+
+ # Check that account is writable
+ unless (-r $self->{domain}{account} || -w $accountDir) {
+ confess('File '.$self->{domain}{account}.' must be readable or directory '.$accountDir.' must be writable: '.$!);
+ }
+
+ # Backup old certificate if possible
+ if (-w $certDir && -f $self->{domain}{cert}) {
+ my ($dt, $suffix) = undef;
+
+ # Extract datetime suffix
+ $suffix = ($dt = DateTime->from_epoch(epoch => stat($self->{domain}{cert})->mtime))->ymd('').$dt->hms('');
+
+ # Rename old certificate
+ unless(copy($self->{domain}{cert}, $self->{domain}{cert}.'.'.$suffix)) {
+ carp('Copy '.$self->{domain}{cert}.' to '.$self->{domain}{cert}.'.'.$suffix.' failed: '.$!);
+ }
+ }
}
# Drop stderr
# Restore stderr
_restoreStdErr();
}
- } (KEY_DIR.DS.ACCOUNT_KEY, KEY_DIR.DS.SERVER_KEY);
+ } ($self->{domain}{account}, $self->{domain}{key});
# Extract modulus and publicExponent jwk
#XXX: same here we tie to keep ordering
# Extract to binary from int, trim leading zeros and convert to base64 url
chomp ($self->{account}{jwk}{jwk}{e} = encode_base64url(pack("N", $1) =~ s/^\0+//r));
}
- } capturex('openssl', ('rsa', '-text', '-in', KEY_DIR.DS.ACCOUNT_KEY, '-noout', '-modulus'));
+ } capturex('openssl', ('rsa', '-text', '-in', $self->{domain}{account}, '-noout', '-modulus'));
# Drop stderr
_dropStdErr();
# Extract account public key
- $self->{account}{pubkey} = join('', map { chomp; $_; } capturex('openssl', ('rsa', '-in', KEY_DIR.DS.ACCOUNT_KEY, '-pubout')));
+ $self->{account}{pubkey} = join('', map { chomp; $_; } capturex('openssl', ('rsa', '-in', $self->{domain}{account}, '-pubout')));
# Restore stderr
_restoreStdErr();
# Openssl config template
my $oct = File::Temp->new();
+ # Save data start position
+ my $pos = tell DATA;
+
# Load template from data
map { s/__EMAIL_ADDRESS__/$self->{mail}/; s/__COMMON_NAME__/$self->{domains}[0]/; print $oct $_; } <DATA>;
- # Close data
- close(DATA);
+ # Reseek data
+ seek(DATA, $pos, 0);
# Append domain names
my $i = 1;
map { print $oct 'DNS.'.$i++.' = '.$_."\n"; } @{$self->{domains}};
# Generate csr
- capturex('openssl', ('req', '-new', '-outform', 'DER', '-key', KEY_DIR.DS.SERVER_KEY, '-config', $oct->filename, '-out', CERT_DIR.DS.REQUEST_CSR));
+ capturex('openssl', ('req', '-new', '-outform', 'DER', '-key', $self->{domain}{key}, '-config', $oct->filename, '-out', $self->{config}{pending}.'/'.$self->{mail}.'.'.($self->{domain}{prod} ? 'prod' : 'staging').'/'.REQUEST_CSR));
# Close oct
close($oct);
close($stf);
# Generate digest of stf
- my $signature = encode_base64url(join('', capturex('openssl', ('dgst', '-sha256', '-binary', '-sign', KEY_DIR.DS.ACCOUNT_KEY, $stf->filename))) =~ s/^\0+//r);
+ my $signature = encode_base64url(join('', capturex('openssl', ('dgst', '-sha256', '-binary', '-sign', $self->{domain}{account}, $stf->filename))) =~ s/^\0+//r);
# Create a request
my $req = HTTP::Request->new(POST => $uri);
# Create a request
my $req = HTTP::Request->new(GET => 'http://'.$domain.'/.well-known/acme-challenge/'.$token);
- # Load config if available
- my $config = undef;
- if (
- #XXX: use eval to workaround a fatal in from_json
- defined eval {
- # Check that file exists
- -f CONFIG &&
- # Read it
- ($config = read_file(CONFIG)) &&
- # Decode it
- ($config = from_json($config)) &&
- # Check defined
- $config->{thumbprint}
- }
- ) {
+ # Check if thumbprint is writeable
+ if (-w $self->{config}{thumbprint}) {
# Try to write thumbprint
- write_file($config->{thumbprint}, $self->{account}{thumbprint});
+ write_file($self->{config}{thumbprint}, $self->{account}{thumbprint});
}
# Get request
# Post new-reg request
#XXX: contact array may contain a tel:+33612345678 for example
- my $res = $self->_post($self->{'new-reg'}, {resource => 'new-reg', contact => ['mailto:'.$self->{mail}], agreement => ACME_TERMS});
+ my $res = $self->_post($self->{'new-reg'}, {resource => 'new-reg', contact => ['mailto:'.$self->{mail}], agreement => $self->{term}});
# Handle error
unless ($res->is_success || $res->code eq 409) {
my $content = undef;
# Init file
- my $file = PENDING_DIR.'/'.$self->{mail}.'.'.($self->{prod} ? 'prod' : 'staging').'/'.$_;
+ my $file = $self->{config}{pending}.'/'.$self->{mail}.'.'.($self->{domain}{prod} ? 'prod' : 'staging').'/'.$_;
# Load auth request content or post a new one
#TODO: add more check on cache file ???
} map { $self->{challenges}{$_}{status} eq 'pending' ? $_ : (); } keys %{$self->{challenges}};
}
- # Load config if available
- my $config = undef;
- if (
- #XXX: use eval to workaround a fatal in from_json
- defined eval {
- # Check that file exists
- -f CONFIG &&
- # Read it
- ($config = read_file(CONFIG)) &&
- # Decode it
- ($config = from_json($config)) &&
- # Check defined
- $config->{thumbprint}
- }
- ) {
+ # Check if thumbprint is writeable
+ if (-w $self->{config}{thumbprint}) {
# Try to write thumbprint
- write_file($config->{thumbprint}, '');
+ write_file($self->{config}{thumbprint}, '');
}
# Stop here with remaining chanllenge
my ($self) = @_;
# Open csr file
- open(my $fh, '<', CERT_DIR.DS.REQUEST_CSR) or die $!;
+ open(my $fh, '<', $self->{config}{pending}.'/'.$self->{mail}.'.'.($self->{domain}{prod} ? 'prod' : 'staging').'/'.REQUEST_CSR) or die $!;
# Load csr
my $csr = encode_base64url(join('', <$fh>) =~ s/^\0+//r);
}
# Open crt file
- open($fh, '>', CERT_DIR.DS.SERVER_CRT) or die $!;
+ open($fh, '>', $self->{domain}{cert}) or die $!;
# Convert to pem
print $fh '-----BEGIN CERTIFICATE-----'."\n".encode_base64($res->content).'-----END CERTIFICATE-----'."\n";
close($fh) or die $!;
# Print success
- carp 'Success, pem certificate in '.CERT_DIR.DS.SERVER_CRT if ($self->{debug});
+ carp 'Success, pem certificate in '.$self->{domain}{cert} if ($self->{debug});
}
1;
Rapsys Git / acme / blobdiff