Tests: added fetch js tests, HTTPS support.
diff --git a/js_fetch_https.t b/js_fetch_https.t
new file mode 100644
index 0000000..34d9dbd
--- /dev/null
+++ b/js_fetch_https.t
@@ -0,0 +1,286 @@
+#!/usr/bin/perl
+
+# (C) Antoine Bonavita
+# (C) Nginx, Inc.
+
+# Tests for http njs module, fetch method, https support.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+
+BEGIN { use FindBin; chdir($FindBin::Bin); }
+
+use lib 'lib';
+use Test::Nginx;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+my $t = Test::Nginx->new()->has(qw/http http_ssl rewrite/)
+	->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    js_import test.js;
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  localhost;
+
+        resolver   127.0.0.1:%%PORT_8981_UDP%%;
+        resolver_timeout 1s;
+
+        location /njs {
+            js_content test.njs;
+        }
+
+        location /https {
+            js_content test.https;
+        }
+
+        location /https.myca {
+            js_content test.https;
+
+            js_fetch_ciphers HIGH:!aNull:!MD5;
+            js_fetch_protocols TLSv1.1 TLSv1.2;
+            js_fetch_trusted_certificate myca.crt;
+        }
+
+        location /https.myca.short {
+            js_content test.https;
+
+            js_fetch_verify_depth 0;
+            js_fetch_trusted_certificate myca.crt;
+        }
+    }
+
+    server {
+        listen       127.0.0.1:8081 ssl default;
+        server_name  default.example.com;
+
+        ssl_certificate default.example.com.chained.crt;
+        ssl_certificate_key default.example.com.key;
+
+        location /loc {
+            return 200 "You are at default.example.com.";
+        }
+    }
+
+    server {
+        listen       127.0.0.1:8081 ssl;
+        server_name  1.example.com;
+
+        ssl_certificate 1.example.com.chained.crt;
+        ssl_certificate_key 1.example.com.key;
+
+        location /loc {
+            return 200 "You are at 1.example.com.";
+        }
+    }
+}
+
+EOF
+
+my $p1 = port(8081);
+
+$t->write_file('test.js', <<EOF);
+    function test_njs(r) {
+        r.return(200, njs.version);
+    }
+
+    function https(r) {
+        var url = `https://\${r.args.domain}:$p1/loc`;
+        var opt = {};
+
+        if (r.args.verify != null && r.args.verify == "false") {
+            opt.verify = false;
+        }
+
+        ngx.fetch(url, opt)
+        .then(reply => reply.text())
+        .then(body => r.return(200, body))
+        .catch(e => r.return(501, e.message))
+    }
+
+    export default {njs: test_njs, https};
+EOF
+
+my $d = $t->testdir();
+
+$t->write_file('openssl.conf', <<EOF);
+[ req ]
+default_bits = 2048
+encrypt_key = no
+distinguished_name = req_distinguished_name
+[ req_distinguished_name ]
+EOF
+
+$t->write_file('myca.conf', <<EOF);
+[ ca ]
+default_ca = myca
+
+[ myca ]
+new_certs_dir = $d
+database = $d/certindex
+default_md = sha256
+policy = myca_policy
+serial = $d/certserial
+default_days = 1
+x509_extensions = myca_extensions
+
+[ myca_policy ]
+commonName = supplied
+
+[ myca_extensions ]
+basicConstraints = critical,CA:TRUE
+EOF
+
+system('openssl req -x509 -new '
+	. "-config $d/openssl.conf -subj /CN=myca/ "
+	. "-out $d/myca.crt -keyout $d/myca.key "
+	. ">>$d/openssl.out 2>&1") == 0
+	or die "Can't create self-signed certificate for CA: $!\n";
+
+foreach my $name ('intermediate', 'default.example.com', '1.example.com') {
+	system("openssl req -new "
+		. "-config $d/openssl.conf -subj /CN=$name/ "
+		. "-out $d/$name.csr -keyout $d/$name.key "
+		. ">>$d/openssl.out 2>&1") == 0
+		or die "Can't create certificate signing req for $name: $!\n";
+}
+
+$t->write_file('certserial', '1000');
+$t->write_file('certindex', '');
+
+system("openssl ca -batch -config $d/myca.conf "
+	. "-keyfile $d/myca.key -cert $d/myca.crt "
+	. "-subj /CN=intermediate/ -in $d/intermediate.csr "
+	. "-out $d/intermediate.crt "
+	. ">>$d/openssl.out 2>&1") == 0
+	or die "Can't sign certificate for intermediate: $!\n";
+
+foreach my $name ('default.example.com', '1.example.com') {
+	system("openssl ca -batch -config $d/myca.conf "
+		. "-keyfile $d/intermediate.key -cert $d/intermediate.crt "
+		. "-subj /CN=$name/ -in $d/$name.csr -out $d/$name.crt "
+		. ">>$d/openssl.out 2>&1") == 0
+		or die "Can't sign certificate for $name $!\n";
+	$t->write_file("$name.chained.crt", $t->read_file("$name.crt")
+		. $t->read_file('intermediate.crt'));
+}
+
+$t->try_run('no njs.fetch')->plan(7);
+
+$t->run_daemon(\&dns_daemon, port(8981), $t);
+$t->waitforfile($t->testdir . '/' . port(8981));
+
+###############################################################################
+
+local $TODO = 'not yet'
+	unless http_get('/njs') =~ /^([.0-9]+)$/m && $1 ge '0.7.0';
+
+like(http_get('/https?domain=default.example.com&verify=false'),
+	qr/You are at default.example.com.$/s, 'fetch https');
+like(http_get('/https?domain=127.0.0.1&verify=false'),
+	qr/You are at default.example.com.$/s, 'fetch https by IP');
+like(http_get('/https?domain=1.example.com&verify=false'),
+	qr/You are at 1.example.com.$/s, 'fetch tls extension');
+like(http_get('/https.myca?domain=default.example.com'),
+	qr/You are at default.example.com.$/s, 'fetch https trusted certificate');
+like(http_get('/https.myca?domain=localhost'),
+	qr/connect failed/s, 'fetch https wrong CN certificate');
+like(http_get('/https?domain=default.example.com'),
+	qr/connect failed/s, 'fetch https non trusted CA');
+like(http_get('/https.myca.short?domain=default.example.com'),
+	qr/connect failed/s, 'fetch https CA too far');
+
+###############################################################################
+
+sub reply_handler {
+	my ($recv_data, $port, %extra) = @_;
+
+	my (@name, @rdata);
+
+	use constant NOERROR	=> 0;
+	use constant A		=> 1;
+	use constant IN		=> 1;
+
+	# default values
+
+	my ($hdr, $rcode, $ttl) = (0x8180, NOERROR, 3600);
+
+	# decode name
+
+	my ($len, $offset) = (undef, 12);
+	while (1) {
+		$len = unpack("\@$offset C", $recv_data);
+		last if $len == 0;
+		$offset++;
+		push @name, unpack("\@$offset A$len", $recv_data);
+		$offset += $len;
+	}
+
+	$offset -= 1;
+	my ($id, $type, $class) = unpack("n x$offset n2", $recv_data);
+
+	my $name = join('.', @name);
+
+	if ($type == A) {
+		push @rdata, rd_addr($ttl, '127.0.0.1');
+	}
+
+	$len = @name;
+	pack("n6 (C/a*)$len x n2", $id, $hdr | $rcode, 1, scalar @rdata,
+		0, 0, @name, $type, $class) . join('', @rdata);
+}
+
+sub rd_addr {
+	my ($ttl, $addr) = @_;
+
+	my $code = 'split(/\./, $addr)';
+
+	return pack 'n3N', 0xc00c, A, IN, $ttl if $addr eq '';
+
+	pack 'n3N nC4', 0xc00c, A, IN, $ttl, eval "scalar $code", eval($code);
+}
+
+sub dns_daemon {
+	my ($port, $t) = @_;
+
+	my ($data, $recv_data);
+	my $socket = IO::Socket::INET->new(
+		LocalAddr    => '127.0.0.1',
+		LocalPort    => $port,
+		Proto        => 'udp',
+	)
+		or die "Can't create listening socket: $!\n";
+
+	local $SIG{PIPE} = 'IGNORE';
+
+	# signal we are ready
+
+	open my $fh, '>', $t->testdir() . '/' . $port;
+	close $fh;
+
+	while (1) {
+		$socket->recv($recv_data, 65536);
+		$data = reply_handler($recv_data, $port);
+		$socket->send($data);
+	}
+}
+
+###############################################################################
diff --git a/stream_js_fetch_https.t b/stream_js_fetch_https.t
new file mode 100644
index 0000000..a5ab396
--- /dev/null
+++ b/stream_js_fetch_https.t
@@ -0,0 +1,301 @@
+#!/usr/bin/perl
+
+# (C) Dmitry Volyntsev
+# (C) Nginx, Inc.
+
+# Tests for stream njs module, fetch method, https support.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+
+BEGIN { use FindBin; chdir($FindBin::Bin); }
+
+use lib 'lib';
+use Test::Nginx;
+use Test::Nginx::Stream qw/ stream /;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+my $t = Test::Nginx->new()->has(qw/http http_ssl rewrite stream stream_return/)
+	->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    js_import test.js;
+
+    server {
+        listen       127.0.0.1:8080;
+        server_name  localhost;
+
+        location /njs {
+            js_content test.njs;
+        }
+    }
+
+    server {
+        listen       127.0.0.1:8081 ssl default;
+        server_name  default.example.com;
+
+        ssl_certificate default.example.com.chained.crt;
+        ssl_certificate_key default.example.com.key;
+
+        location /loc {
+            return 200 "You are at default.example.com.";
+        }
+    }
+
+    server {
+        listen       127.0.0.1:8081 ssl;
+        server_name  1.example.com;
+
+        ssl_certificate 1.example.com.chained.crt;
+        ssl_certificate_key 1.example.com.key;
+
+        location /loc {
+            return 200 "You are at 1.example.com.";
+        }
+    }
+}
+
+stream {
+    %%TEST_GLOBALS_STREAM%%
+
+    js_import   test.js;
+    js_preread  test.preread;
+    js_var      $message;
+
+    resolver  127.0.0.1:%%PORT_8981_UDP%%;
+    resolver_timeout 1s;
+
+    server {
+        listen  127.0.0.1:8082;
+        return  "default CA $message";
+    }
+
+    server {
+        listen  127.0.0.1:8083;
+        return  "my CA $message";
+
+        js_fetch_ciphers HIGH:!aNull:!MD5;
+        js_fetch_protocols TLSv1.1 TLSv1.2;
+        js_fetch_trusted_certificate myca.crt;
+    }
+
+    server {
+        listen  127.0.0.1:8084;
+        return  "my CA with verify_depth=0 $message";
+
+        js_fetch_verify_depth 0;
+        js_fetch_trusted_certificate myca.crt;
+    }
+}
+
+EOF
+
+my $p1 = port(8081);
+my $p2 = port(8082);
+my $p3 = port(8083);
+my $p4 = port(8084);
+
+$t->write_file('test.js', <<EOF);
+    function test_njs(r) {
+        r.return(200, njs.version);
+    }
+
+    function preread(s) {
+        s.on('upload', function (data, flags) {
+            if (data.startsWith('GO')) {
+                s.off('upload');
+                ngx.fetch('https://' + data.substring(2) + ':$p1/loc')
+                   .then(reply => {
+                       s.variables.message = 'https OK - ' + reply.status;
+                       s.done();
+                   })
+                   .catch(e => {
+                       s.variables.message = 'https NOK - ' + e.message;
+                       s.done();
+                   })
+
+            } else if (data.length) {
+                s.deny();
+            }
+        });
+    }
+
+    export default {njs: test_njs, preread};
+EOF
+
+my $d = $t->testdir();
+
+$t->write_file('openssl.conf', <<EOF);
+[ req ]
+default_bits = 2048
+encrypt_key = no
+distinguished_name = req_distinguished_name
+[ req_distinguished_name ]
+EOF
+
+$t->write_file('myca.conf', <<EOF);
+[ ca ]
+default_ca = myca
+
+[ myca ]
+new_certs_dir = $d
+database = $d/certindex
+default_md = sha256
+policy = myca_policy
+serial = $d/certserial
+default_days = 1
+x509_extensions = myca_extensions
+
+[ myca_policy ]
+commonName = supplied
+
+[ myca_extensions ]
+basicConstraints = critical,CA:TRUE
+EOF
+
+system('openssl req -x509 -new '
+	. "-config $d/openssl.conf -subj /CN=myca/ "
+	. "-out $d/myca.crt -keyout $d/myca.key "
+	. ">>$d/openssl.out 2>&1") == 0
+	or die "Can't create self-signed certificate for CA: $!\n";
+
+foreach my $name ('intermediate', 'default.example.com', '1.example.com') {
+	system("openssl req -new "
+		. "-config $d/openssl.conf -subj /CN=$name/ "
+		. "-out $d/$name.csr -keyout $d/$name.key "
+		. ">>$d/openssl.out 2>&1") == 0
+		or die "Can't create certificate signing req for $name: $!\n";
+}
+
+$t->write_file('certserial', '1000');
+$t->write_file('certindex', '');
+
+system("openssl ca -batch -config $d/myca.conf "
+	. "-keyfile $d/myca.key -cert $d/myca.crt "
+	. "-subj /CN=intermediate/ -in $d/intermediate.csr "
+	. "-out $d/intermediate.crt "
+	. ">>$d/openssl.out 2>&1") == 0
+	or die "Can't sign certificate for intermediate: $!\n";
+
+foreach my $name ('default.example.com', '1.example.com') {
+	system("openssl ca -batch -config $d/myca.conf "
+		. "-keyfile $d/intermediate.key -cert $d/intermediate.crt "
+		. "-subj /CN=$name/ -in $d/$name.csr -out $d/$name.crt "
+		. ">>$d/openssl.out 2>&1") == 0
+		or die "Can't sign certificate for $name $!\n";
+	$t->write_file("$name.chained.crt", $t->read_file("$name.crt")
+		. $t->read_file('intermediate.crt'));
+}
+
+$t->try_run('no njs.fetch')->plan(4);
+
+$t->run_daemon(\&dns_daemon, port(8981), $t);
+$t->waitforfile($t->testdir . '/' . port(8981));
+
+###############################################################################
+
+local $TODO = 'not yet'
+	unless http_get('/njs') =~ /^([.0-9]+)$/m && $1 ge '0.7.0';
+
+like(stream("127.0.0.1:$p2")->io('GOdefault.example.com'),
+	qr/connect failed/s, 'stream non trusted CA');
+like(stream("127.0.0.1:$p3")->io('GOdefault.example.com'),
+	qr/https OK/s, 'stream trusted CA');
+like(stream("127.0.0.1:$p3")->io('GOlocalhost'),
+	qr/connect failed/s, 'stream wrong CN');
+like(stream("127.0.0.1:$p4")->io('GOdefaul.example.com'),
+	qr/connect failed/s, 'stream verify_depth too small');
+
+###############################################################################
+
+sub reply_handler {
+	my ($recv_data, $port, %extra) = @_;
+
+	my (@name, @rdata);
+
+	use constant NOERROR	=> 0;
+	use constant A		=> 1;
+	use constant IN		=> 1;
+
+	# default values
+
+	my ($hdr, $rcode, $ttl) = (0x8180, NOERROR, 3600);
+
+	# decode name
+
+	my ($len, $offset) = (undef, 12);
+	while (1) {
+		$len = unpack("\@$offset C", $recv_data);
+		last if $len == 0;
+		$offset++;
+		push @name, unpack("\@$offset A$len", $recv_data);
+		$offset += $len;
+	}
+
+	$offset -= 1;
+	my ($id, $type, $class) = unpack("n x$offset n2", $recv_data);
+
+	my $name = join('.', @name);
+
+	if ($type == A) {
+		push @rdata, rd_addr($ttl, '127.0.0.1');
+	}
+
+	$len = @name;
+	pack("n6 (C/a*)$len x n2", $id, $hdr | $rcode, 1, scalar @rdata,
+		0, 0, @name, $type, $class) . join('', @rdata);
+}
+
+sub rd_addr {
+	my ($ttl, $addr) = @_;
+
+	my $code = 'split(/\./, $addr)';
+
+	return pack 'n3N', 0xc00c, A, IN, $ttl if $addr eq '';
+
+	pack 'n3N nC4', 0xc00c, A, IN, $ttl, eval "scalar $code", eval($code);
+}
+
+sub dns_daemon {
+	my ($port, $t) = @_;
+
+	my ($data, $recv_data);
+	my $socket = IO::Socket::INET->new(
+		LocalAddr    => '127.0.0.1',
+		LocalPort    => $port,
+		Proto        => 'udp',
+	)
+		or die "Can't create listening socket: $!\n";
+
+	local $SIG{PIPE} = 'IGNORE';
+
+	# signal we are ready
+
+	open my $fh, '>', $t->testdir() . '/' . $port;
+	close $fh;
+
+	while (1) {
+		$socket->recv($recv_data, 65536);
+		$data = reply_handler($recv_data, $port);
+		$socket->send($data);
+	}
+}
+
+###############################################################################