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.\" ========================================================================
.\"
.IX Title "HTTP::Config 3pm"
.TH HTTP::Config 3pm "2023-10-29" "perl v5.36.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
HTTP::Config \- Configuration for request and response objects
.SH "VERSION"
.IX Header "VERSION"
version 6.45
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 3
\& use HTTP::Config;
\& my $c = HTTP::Config\->new;
\& $c\->add(m_domain => ".example.com", m_scheme => "http", verbose => 1);
\& 
\& use HTTP::Request;
\& my $request = HTTP::Request\->new(GET => "http://www.example.com");
\& 
\& if (my @m = $c\->matching($request)) {
\&    print "Yadayada\en" if $m[0]\->{verbose};
\& }
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
An \f(CW\*(C`HTTP::Config\*(C'\fR object is a list of entries that
can be matched against request or request/response pairs.  Its
purpose is to hold configuration data that can be looked up given a
request or response object.
.PP
Each configuration entry is a hash.  Some keys specify matching to
occur against attributes of request/response objects.  Other keys can
be used to hold user data.
.PP
The following methods are provided:
.ie n .IP "$conf = HTTP::Config\->new" 4
.el .IP "\f(CW$conf\fR = HTTP::Config\->new" 4
.IX Item "$conf = HTTP::Config->new"
Constructs a new empty \f(CW\*(C`HTTP::Config\*(C'\fR object and returns it.
.ie n .IP "$conf\->entries" 4
.el .IP "\f(CW$conf\fR\->entries" 4
.IX Item "$conf->entries"
Returns the list of entries in the configuration object.
In scalar context returns the number of entries.
.ie n .IP "$conf\->empty" 4
.el .IP "\f(CW$conf\fR\->empty" 4
.IX Item "$conf->empty"
Return true if there are no entries in the configuration object.
This is just a shorthand for \f(CW\*(C`not $conf\->entries\*(C'\fR.
.ie n .IP "$conf\->add( %matchspec, %other )" 4
.el .IP "\f(CW$conf\fR\->add( \f(CW%matchspec\fR, \f(CW%other\fR )" 4
.IX Item "$conf->add( %matchspec, %other )"
.PD 0
.ie n .IP "$conf\->add( \e%entry )" 4
.el .IP "\f(CW$conf\fR\->add( \e%entry )" 4
.IX Item "$conf->add( %entry )"
.PD
Adds a new entry to the configuration.
You can either pass separate key/value pairs or a hash reference.
.ie n .IP "$conf\->remove( %spec )" 4
.el .IP "\f(CW$conf\fR\->remove( \f(CW%spec\fR )" 4
.IX Item "$conf->remove( %spec )"
Removes (and returns) the entries that have matches for all the key/value pairs in \f(CW%spec\fR.
If \f(CW%spec\fR is empty this will match all entries; so it will empty the configuration object.
.ie n .IP "$conf\->matching( $uri, $request, $response )" 4
.el .IP "\f(CW$conf\fR\->matching( \f(CW$uri\fR, \f(CW$request\fR, \f(CW$response\fR )" 4
.IX Item "$conf->matching( $uri, $request, $response )"
.PD 0
.ie n .IP "$conf\->matching( $uri )" 4
.el .IP "\f(CW$conf\fR\->matching( \f(CW$uri\fR )" 4
.IX Item "$conf->matching( $uri )"
.ie n .IP "$conf\->matching( $request )" 4
.el .IP "\f(CW$conf\fR\->matching( \f(CW$request\fR )" 4
.IX Item "$conf->matching( $request )"
.ie n .IP "$conf\->matching( $response )" 4
.el .IP "\f(CW$conf\fR\->matching( \f(CW$response\fR )" 4
.IX Item "$conf->matching( $response )"
.PD
Returns the entries that match the given \f(CW$uri\fR, \f(CW$request\fR and \f(CW$response\fR triplet.
.Sp
If called with a single \f(CW$request\fR object then the \f(CW$uri\fR is obtained by calling its 'uri_canonical' method.
If called with a single \f(CW$response\fR object, then the request object is obtained by calling its 'request' method;
and then the \f(CW$uri\fR is obtained as if a single \f(CW$request\fR was provided.
.Sp
The entries are returned with the most specific matches first.
In scalar context returns the most specific match or \f(CW\*(C`undef\*(C'\fR in none match.
.ie n .IP "$conf\->add_item( $item, %matchspec )" 4
.el .IP "\f(CW$conf\fR\->add_item( \f(CW$item\fR, \f(CW%matchspec\fR )" 4
.IX Item "$conf->add_item( $item, %matchspec )"
.PD 0
.ie n .IP "$conf\->remove_items( %spec )" 4
.el .IP "\f(CW$conf\fR\->remove_items( \f(CW%spec\fR )" 4
.IX Item "$conf->remove_items( %spec )"
.ie n .IP "$conf\->matching_items( $uri, $request, $response )" 4
.el .IP "\f(CW$conf\fR\->matching_items( \f(CW$uri\fR, \f(CW$request\fR, \f(CW$response\fR )" 4
.IX Item "$conf->matching_items( $uri, $request, $response )"
.PD
Wrappers that hides the entries themselves.
.SS "Matching"
.IX Subsection "Matching"
The following keys on a configuration entry specify matching.  For all
of these you can provide an array of values instead of a single value.
The entry matches if at least one of the values in the array matches.
.PP
Entries that require match against a response object attribute will never match
unless a response object was provided.
.ie n .IP "m_scheme => $scheme" 4
.el .IP "m_scheme => \f(CW$scheme\fR" 4
.IX Item "m_scheme => $scheme"
Matches if the \s-1URI\s0 uses the specified scheme; e.g. \*(L"http\*(R".
.ie n .IP "m_secure => $bool" 4
.el .IP "m_secure => \f(CW$bool\fR" 4
.IX Item "m_secure => $bool"
If \f(CW$bool\fR is \s-1TRUE\s0; matches if the \s-1URI\s0 uses a secure scheme.  If \f(CW$bool\fR
is \s-1FALSE\s0; matches if the \s-1URI\s0 does not use a secure scheme.  An example
of a secure scheme is \*(L"https\*(R".
.ie n .IP "m_host_port => ""$hostname:$port""" 4
.el .IP "m_host_port => ``$hostname:$port''" 4
.IX Item "m_host_port => $hostname:$port"
Matches if the \s-1URI\s0's host_port method return the specified value.
.ie n .IP "m_host => $hostname" 4
.el .IP "m_host => \f(CW$hostname\fR" 4
.IX Item "m_host => $hostname"
Matches if the \s-1URI\s0's host method returns the specified value.
.ie n .IP "m_port => $port" 4
.el .IP "m_port => \f(CW$port\fR" 4
.IX Item "m_port => $port"
Matches if the \s-1URI\s0's port method returns the specified value.
.ie n .IP "m_domain => "".$domain""" 4
.el .IP "m_domain => ``.$domain''" 4
.IX Item "m_domain => .$domain"
Matches if the \s-1URI\s0's host method return a value that within the given
domain.  The hostname \*(L"www.example.com\*(R" will for instance match the
domain \*(L".com\*(R".
.ie n .IP "m_path => $path" 4
.el .IP "m_path => \f(CW$path\fR" 4
.IX Item "m_path => $path"
Matches if the \s-1URI\s0's path method returns the specified value.
.ie n .IP "m_path_prefix => $path" 4
.el .IP "m_path_prefix => \f(CW$path\fR" 4
.IX Item "m_path_prefix => $path"
Matches if the \s-1URI\s0's path is the specified path or has the specified
path as prefix.
.ie n .IP "m_path_match => $Regexp" 4
.el .IP "m_path_match => \f(CW$Regexp\fR" 4
.IX Item "m_path_match => $Regexp"
Matches if the regular expression matches the \s-1URI\s0's path.  Eg. qr/\e.html$/.
.ie n .IP "m_method => $method" 4
.el .IP "m_method => \f(CW$method\fR" 4
.IX Item "m_method => $method"
Matches if the request method matches the specified value. Eg. \*(L"\s-1GET\*(R"\s0 or \*(L"\s-1POST\*(R".\s0
.ie n .IP "m_code => $digit" 4
.el .IP "m_code => \f(CW$digit\fR" 4
.IX Item "m_code => $digit"
.PD 0
.ie n .IP "m_code => $status_code" 4
.el .IP "m_code => \f(CW$status_code\fR" 4
.IX Item "m_code => $status_code"
.PD
Matches if the response status code matches.  If a single digit is
specified; matches for all response status codes beginning with that digit.
.ie n .IP "m_proxy => $url" 4
.el .IP "m_proxy => \f(CW$url\fR" 4
.IX Item "m_proxy => $url"
Matches if the request is to be sent to the given Proxy server.
.ie n .IP "m_media_type => ""*/*""" 4
.el .IP "m_media_type => ``*/*''" 4
.IX Item "m_media_type => */*"
.PD 0
.ie n .IP "m_media_type => ""text/*""" 4
.el .IP "m_media_type => ``text/*''" 4
.IX Item "m_media_type => text/*"
.ie n .IP "m_media_type => ""html""" 4
.el .IP "m_media_type => ``html''" 4
.IX Item "m_media_type => html"
.ie n .IP "m_media_type => ""xhtml""" 4
.el .IP "m_media_type => ``xhtml''" 4
.IX Item "m_media_type => xhtml"
.ie n .IP "m_media_type => ""text/html""" 4
.el .IP "m_media_type => ``text/html''" 4
.IX Item "m_media_type => text/html"
.PD
Matches if the response media type matches.
.Sp
With a value of \*(L"html\*(R" matches if \f(CW$response\fR\->content_is_html returns \s-1TRUE.\s0
With a value of \*(L"xhtml\*(R" matches if \f(CW$response\fR\->content_is_xhtml returns \s-1TRUE.\s0
.IP "m_uri_\|_\fI\f(CI$method\fI\fR => undef" 4
.IX Item "m_uri__$method => undef"
Matches if the \s-1URI\s0 object provides the method.
.ie n .IP "m_uri_\|_\fI\f(CI$method\fI\fR => $string" 4
.el .IP "m_uri_\|_\fI\f(CI$method\fI\fR => \f(CW$string\fR" 4
.IX Item "m_uri__$method => $string"
Matches if the \s-1URI\s0's \f(CW$method\fR method returns the given value.
.ie n .IP "m_header_\|_\fI\f(CI$field\fI\fR => $string" 4
.el .IP "m_header_\|_\fI\f(CI$field\fI\fR => \f(CW$string\fR" 4
.IX Item "m_header__$field => $string"
Matches if either the request or the response have a header \f(CW$field\fR with the given value.
.IP "m_response_attr_\|_\fI\f(CI$key\fI\fR => undef" 4
.IX Item "m_response_attr__$key => undef"
.PD 0
.ie n .IP "m_response_attr_\|_\fI\f(CI$key\fI\fR => $string" 4
.el .IP "m_response_attr_\|_\fI\f(CI$key\fI\fR => \f(CW$string\fR" 4
.IX Item "m_response_attr__$key => $string"
.PD
Matches if the response object has that key, or the entry has the given value.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\s-1URI\s0, HTTP::Request, HTTP::Response
.SH "AUTHOR"
.IX Header "AUTHOR"
Gisle Aas <gisle@activestate.com>
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
This software is copyright (c) 1994 by Gisle Aas.
.PP
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.