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.\" ========================================================================
.\"
.IX Title "Mojo::IOLoop::TLS 3"
.TH Mojo::IOLoop::TLS 3 "2023-04-27" "perl v5.26.3" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Mojo::IOLoop::TLS \- Non\-blocking TLS handshake
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&  use Mojo::IOLoop::TLS;
\&
\&  # Negotiate TLS
\&  my $tls = Mojo::IOLoop::TLS\->new($old_handle);
\&  $tls\->on(upgrade => sub ($tls, $new_handle) {...});
\&  $tls\->on(error => sub ($tls, $err) {...});
\&  $tls\->negotiate(server => 1, tls_version => \*(AqTLSv1_2\*(Aq);
\&
\&  # Start reactor if necessary
\&  $tls\->reactor\->start unless $tls\->reactor\->is_running;
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Mojo::IOLoop::TLS negotiates \s-1TLS\s0 for Mojo::IOLoop.
.SH "EVENTS"
.IX Header "EVENTS"
Mojo::IOLoop::TLS inherits all events from Mojo::EventEmitter and can emit the following new ones.
.SS "upgrade"
.IX Subsection "upgrade"
.Vb 1
\&  $tls\->on(upgrade => sub ($tls, $handle) {...});
.Ve
.PP
Emitted once \s-1TLS\s0 has been negotiated.
.SS "error"
.IX Subsection "error"
.Vb 1
\&  $tls\->on(error => sub ($tls, $err) {...});
.Ve
.PP
Emitted if an error occurs during negotiation, fatal if unhandled.
.SH "ATTRIBUTES"
.IX Header "ATTRIBUTES"
Mojo::IOLoop::TLS implements the following attributes.
.SS "reactor"
.IX Subsection "reactor"
.Vb 2
\&  my $reactor = $tls\->reactor;
\&  $tls        = $tls\->reactor(Mojo::Reactor::Poll\->new);
.Ve
.PP
Low-level event reactor, defaults to the \f(CW\*(C`reactor\*(C'\fR attribute value of the global Mojo::IOLoop singleton. Note that
this attribute is weakened.
.SH "METHODS"
.IX Header "METHODS"
Mojo::IOLoop::TLS inherits all methods from Mojo::EventEmitter and implements the following new ones.
.SS "can_tls"
.IX Subsection "can_tls"
.Vb 1
\&  my $bool = Mojo::IOLoop::TLS\->can_tls;
.Ve
.PP
True if IO::Socket::SSL 2.009+ is installed and \s-1TLS\s0 support enabled.
.SS "negotiate"
.IX Subsection "negotiate"
.Vb 2
\&  $tls\->negotiate(server => 1, tls_version => \*(AqTLSv1_2\*(Aq);
\&  $tls\->negotiate({server => 1, tls_version => \*(AqTLSv1_2\*(Aq});
.Ve
.PP
Negotiate \s-1TLS.\s0
.PP
These options are currently available:
.IP "server" 2
.IX Item "server"
.Vb 1
\&  server => 1
.Ve
.Sp
Negotiate \s-1TLS\s0 from the server-side, defaults to the client-side.
.IP "tls_ca" 2
.IX Item "tls_ca"
.Vb 1
\&  tls_ca => \*(Aq/etc/tls/ca.crt\*(Aq
.Ve
.Sp
Path to \s-1TLS\s0 certificate authority file.
.IP "tls_cert" 2
.IX Item "tls_cert"
.Vb 2
\&  tls_cert => \*(Aq/etc/tls/server.crt\*(Aq
\&  tls_cert => {\*(Aqmojolicious.org\*(Aq => \*(Aq/etc/tls/mojo.crt\*(Aq}
.Ve
.Sp
Path to the \s-1TLS\s0 cert file, defaults to a built-in test certificate on the server-side.
.IP "tls_key" 2
.IX Item "tls_key"
.Vb 2
\&  tls_key => \*(Aq/etc/tls/server.key\*(Aq
\&  tls_key => {\*(Aqmojolicious.org\*(Aq => \*(Aq/etc/tls/mojo.key\*(Aq}
.Ve
.Sp
Path to the \s-1TLS\s0 key file, defaults to a built-in test key on the server-side.
.IP "tls_options" 2
.IX Item "tls_options"
.Vb 1
\&  tls_options => {SSL_alpn_protocols => [\*(Aqfoo\*(Aq, \*(Aqbar\*(Aq], SSL_verify_mode => 0x00, SSL_version => \*(AqTLSv1_2\*(Aq}
.Ve
.Sp
Additional options for IO::Socket::SSL.
.SS "new"
.IX Subsection "new"
.Vb 1
\&  my $tls = Mojo::IOLoop::TLS\->new($handle);
.Ve
.PP
Construct a new Mojo::IOLoop::Stream object.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Mojolicious, Mojolicious::Guides, <https://mojolicious.org>.