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Tests: caching SSL certificates with variables to upstream.
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‎proxy_ssl_certificate_cache.t

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#!/usr/bin/perl
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# (C) Sergey Kandaurov
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# (C) Nginx, Inc.
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# Tests for proxy to ssl backend, proxy_ssl_certificate_cache directive.
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###############################################################################
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use warnings;
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use strict;
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use Test::More;
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BEGIN { use FindBin; chdir($FindBin::Bin); }
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use lib 'lib';
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use Test::Nginx;
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###############################################################################
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select STDERR; $| = 1;
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select STDOUT; $| = 1;
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my $t = Test::Nginx->new()
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->has(qw/http http_ssl proxy openssl:1.0.2/)
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->has_daemon('openssl');
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$t->write_file_expand('nginx.conf', <<'EOF');
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%%TEST_GLOBALS%%
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daemon off;
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events {
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}
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http {
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%%TEST_GLOBALS_HTTP%%
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server {
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listen 127.0.0.1:8080;
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server_name localhost;
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proxy_ssl_session_reuse off;
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proxy_ssl_certificate $arg_cert.example.com.crt;
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proxy_ssl_certificate_key $arg_cert.example.com.key;
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proxy_ssl_certificate_cache max=4 valid=2s;
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location / {
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proxy_pass https://127.0.0.1:8081/;
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}
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location /enc {
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proxy_pass https://127.0.0.1:8081/;
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proxy_ssl_password_file password;
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}
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location /nocache {
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proxy_pass https://127.0.0.1:8081/;
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proxy_ssl_certificate_cache off;
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}
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location /inactive {
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proxy_pass https://127.0.0.1:8081/;
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proxy_ssl_certificate_cache max=4 inactive=1s;
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}
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}
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server {
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listen 127.0.0.1:8081 ssl;
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server_name localhost;
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ssl_certificate localhost.crt;
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ssl_certificate_key localhost.key;
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ssl_verify_client optional_no_ca;
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ssl_trusted_certificate root.crt;
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location / {
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add_header X-Name $ssl_client_s_dn;
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}
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}
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}
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EOF
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my $d = $t->testdir();
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$t->write_file('openssl.conf', <<EOF);
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[ req ]
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default_bits = 2048
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encrypt_key = no
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distinguished_name = req_distinguished_name
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x509_extensions = myca_extensions
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[ req_distinguished_name ]
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[ myca_extensions ]
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basicConstraints = critical,CA:TRUE
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EOF
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$t->write_file('ca.conf', <<EOF);
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[ ca ]
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default_ca = myca
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[ myca ]
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new_certs_dir = $d
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database = $d/certindex
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default_md = sha256
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policy = myca_policy
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serial = $d/certserial
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default_days = 1
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[ myca_policy ]
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commonName = supplied
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EOF
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foreach my $name ('root', 'localhost') {
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system('openssl req -x509 -new '
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. "-config $d/openssl.conf -subj /CN=$name/ "
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. "-out $d/$name.crt -keyout $d/$name.key "
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. ">>$d/openssl.out 2>&1") == 0
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or die "Can't create certificate for $name: $!\n";
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}
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$t->write_file('certserial', '1000');
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$t->write_file('certindex', '');
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foreach my $name ('1.example.com', '2.example.com', '3.example.com',
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'4.example.com', '5.example.com', 'dummy')
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{
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system('openssl req -new '
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. "-config $d/openssl.conf -subj /CN=$name/ "
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. "-out $d/$name.csr -keyout $d/$name.key "
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. ">>$d/openssl.out 2>&1") == 0
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or die "Can't create certificate for $name: $!\n";
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system("openssl ca -batch -config $d/ca.conf "
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. "-keyfile $d/root.key -cert $d/root.crt "
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. "-subj /CN=$name/ -in $d/$name.csr -out $d/$name.crt "
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. ">>$d/openssl.out 2>&1") == 0
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or die "Can't sign certificate for $name: $!\n";
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}
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foreach my $name ('e.example.com') {
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system("openssl genrsa -out $d/$name.key -passout pass:$name "
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. "-aes128 2048 >>$d/openssl.out 2>&1") == 0
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or die "Can't create private key: $!\n";
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system('openssl req -new '
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. "-config $d/openssl.conf -subj /CN=$name/ "
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. "-out $d/$name.csr "
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. "-key $d/$name.key -passin pass:$name"
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. ">>$d/openssl.out 2>&1") == 0
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or die "Can't create certificate for $name: $!\n";
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system("openssl ca -batch -config $d/ca.conf "
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. "-keyfile $d/root.key -cert $d/root.crt "
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. "-subj /CN=$name/ -in $d/$name.csr -out $d/$name.crt "
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. ">>$d/openssl.out 2>&1") == 0
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or die "Can't sign certificate for $name: $!\n";
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}
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update($t, '4b.example.com', '4.example.com');
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update($t, 'eb.example.com', 'e.example.com');
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$t->write_file('password', 'e.example.com');
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$t->write_file('index.html', '');
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$t->try_run('no proxy_ssl_certificate_cache')->plan(20);
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###############################################################################
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like(http_get('/?cert=1'), qr/CN=1.example.com/, 'certificate 1');
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update($t, '1.example.com');
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like(http_get('/?cert=1'), qr/CN=1.example.com/, 'certificate 1 cached');
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like(http_get('/?cert=2'), qr/CN=2.example.com/, 'certificate 2');
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like(http_get('/?cert=3'), qr/CN=3.example.com/, 'certificate 3');
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# eviction after inserting 4 new items
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like(http_get('/?cert=1'), qr/500 Internal/, 'certificate 1 evicted');
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update($t, '2.example.com', 'dummy');
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update($t, '3.example.com');
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# replaced or removed certificates do not affect caching
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like(http_get('/?cert=2'), qr/CN=2.example.com/, 'certificate 2 cached');
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like(http_get('/?cert=3'), qr/CN=3.example.com/, 'certificate 3 cached');
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# encrypted certificates are exempt from caching
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like(http_get('/enc/?cert=e'), qr/CN=e.example.com/, 'encrypted');
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like(http_get('/?cert=e'), qr/500 Internal/, 'encrypted no password');
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update($t, 'e.example.com', 'dummy');
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like(http_get('/enc/?cert=e'), qr/CN=dummy/, 'encrypted not cached');
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# replacing non-cacheable item with cacheable doesn't affect cacheability
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update($t, 'e.example.com', 'eb.example.com');
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like(http_get('/enc/?cert=e'), qr/CN=dummy/, 'cached after encrypted');
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like(http_get('/nocache/?cert=4'), qr/CN=4.example.com/, 'no cache');
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update($t, '4.example.com', 'dummy');
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like(http_get('/nocache/?cert=4'), qr/CN=dummy/, 'no cache updated');
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like(http_get('/inactive/?cert=5'), qr/CN=5.example.com/, 'inactive');
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select undef, undef, undef, 3.1;
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like(http_get('/?cert=2'), qr/CN=dummy/, 'certificate 2 expired');
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like(http_get('/?cert=3'), qr/500 Internal/, 'certificate 3 expired');
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# replacing cacheable item with non-cacheable doesn't affect cacheability
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like(http_get('/enc/?cert=e'), qr/CN=e.example.com/, 'encrypted after cached');
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update($t, 'e.example.com', 'dummy');
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like(http_get('/enc/?cert=e'), qr/CN=dummy/,
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'encrypted not cached after cached');
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# eviction after inactive time
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update($t, '5.example.com', 'dummy');
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like(http_get('/inactive/?cert=4b'), qr/CN=4.example.com/, 'inactive expire');
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like(http_get('/inactive/?cert=5'), qr/CN=dummy/, 'inactive expired');
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###############################################################################
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sub update {
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my ($t, $old, $new) = @_;
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for my $ext ("crt", "key") {
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if (defined $new) {
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$t->write_file("$old.$ext.tmp",
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$t->read_file("$new.$ext"));
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rename("$d/$old.$ext.tmp", "$d/$old.$ext");
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} else {
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unlink "$d/$old.$ext";
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}
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}
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}
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###############################################################################

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