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# ABSTRACT: helper for rendering HTTP status codes for Dancer2 |
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package Dancer2::Core::HTTP; |
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$Dancer2::Core::HTTP::VERSION = '1.0.0'; |
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use strict; |
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use warnings; |
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use List::Util qw/ pairmap pairgrep /; |
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my $HTTP_CODES = { |
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# informational |
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100 => 'Continue', # only on HTTP 1.1 |
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101 => 'Switching Protocols', # only on HTTP 1.1 |
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102 => 'Processing', # WebDAV; RFC 2518 |
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# processed |
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200 => 'OK', |
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201 => 'Created', |
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202 => 'Accepted', |
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203 => 'Non-Authoritative Information', # only on HTTP 1.1 |
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204 => 'No Content', |
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205 => 'Reset Content', |
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206 => 'Partial Content', |
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207 => 'Multi-Status', # WebDAV; RFC 4918 |
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208 => 'Already Reported', # WebDAV; RFC 5842 |
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# 226 => 'IM Used' # RFC 3229 |
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# redirections |
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301 => 'Moved Permanently', |
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302 => 'Found', |
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303 => 'See Other', # only on HTTP 1.1 |
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304 => 'Not Modified', |
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305 => 'Use Proxy', # only on HTTP 1.1 |
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306 => 'Switch Proxy', |
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307 => 'Temporary Redirect', # only on HTTP 1.1 |
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# 308 => 'Permanent Redirect' # approved as experimental RFC |
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# problems with request |
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400 => 'Bad Request', |
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401 => 'Unauthorized', |
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402 => 'Payment Required', |
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403 => 'Forbidden', |
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404 => 'Not Found', |
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405 => 'Method Not Allowed', |
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406 => 'Not Acceptable', |
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407 => 'Proxy Authentication Required', |
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408 => 'Request Timeout', |
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409 => 'Conflict', |
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410 => 'Gone', |
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411 => 'Length Required', |
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412 => 'Precondition Failed', |
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413 => 'Request Entity Too Large', |
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414 => 'Request-URI Too Long', |
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415 => 'Unsupported Media Type', |
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416 => 'Requested Range Not Satisfiable', |
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417 => 'Expectation Failed', |
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418 => "I'm a teapot", # RFC 2324 |
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# 419 => 'Authentication Timeout', # not in RFC 2616 |
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420 => 'Enhance Your Calm', |
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422 => 'Unprocessable Entity', |
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423 => 'Locked', |
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424 => 'Failed Dependency', # Also used for 'Method Failure' |
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425 => 'Unordered Collection', |
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426 => 'Upgrade Required', |
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428 => 'Precondition Required', |
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429 => 'Too Many Requests', |
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431 => 'Request Header Fields Too Large', |
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444 => 'No Response', |
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449 => 'Retry With', |
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450 => 'Blocked by Windows Parental Controls', |
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451 => 'Unavailable For Legal Reasons', |
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494 => 'Request Header Too Large', |
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495 => 'Cert Error', |
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496 => 'No Cert', |
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497 => 'HTTP to HTTPS', |
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499 => 'Client Closed Request', |
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# problems with server |
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500 => 'Internal Server Error', |
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501 => 'Not Implemented', |
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502 => 'Bad Gateway', |
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503 => 'Service Unavailable', |
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504 => 'Gateway Timeout', |
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505 => 'HTTP Version Not Supported', |
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506 => 'Variant Also Negotiates', |
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507 => 'Insufficient Storage', |
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508 => 'Loop Detected', |
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509 => 'Bandwidth Limit Exceeded', |
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510 => 'Not Extended', |
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511 => 'Network Authentication Required', |
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598 => 'Network read timeout error', |
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599 => 'Network connect timeout error', |
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}; |
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$HTTP_CODES = { |
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%$HTTP_CODES, |
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( reverse %$HTTP_CODES ), |
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pairmap { join( '_', split /\W/, lc $a ) => $b } reverse %$HTTP_CODES |
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}; |
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$HTTP_CODES->{error} = $HTTP_CODES->{internal_server_error}; |
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sub status { |
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my ( $class, $status ) = @_; |
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return if ! defined $status; |
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return $status if $status =~ /^\d+$/; |
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if ( exists $HTTP_CODES->{$status} ) { |
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return $HTTP_CODES->{$status}; |
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} |
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return; |
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} |
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sub status_message { |
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my ( $class, $status ) = @_; |
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return if ! defined $status; |
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my $code = $class->status($status); |
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return if ! defined $code || ! exists $HTTP_CODES->{$code}; |
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return $HTTP_CODES->{ $code }; |
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} |
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sub status_mapping { |
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pairgrep { $b =~ /^\d+$/ and $a !~ /_/ } %$HTTP_CODES; |
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} |
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sub code_mapping { |
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my @result = reverse status_mapping(); |
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return @result; |
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} |
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sub all_mappings { %$HTTP_CODES } |
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1; |
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__END__ |
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=pod |
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=encoding UTF-8 |
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=head1 NAME |
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Dancer2::Core::HTTP - helper for rendering HTTP status codes for Dancer2 |
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=head1 VERSION |
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version 1.0.0 |
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=head1 FUNCTIONS |
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=head2 status(status_code) |
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Dancer2::Core::HTTP->status(200); # returns 200 |
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Dancer2::Core::HTTP->status('Not Found'); # returns 404 |
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Dancer2::Core::HTTP->status('bad_request'); # 400 |
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Returns a HTTP status code. If given an integer, it will return the value it |
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received, else it will try to find the appropriate alias and return the correct |
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status. |
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=head2 status_message(status_code) |
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Dancer2::Core::HTTP->status_message(200); # returns 'OK' |
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Dancer2::Core::HTTP->status_message('error'); # returns 'Internal Server Error' |
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Returns the HTTP status message for the given status code. |
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=head2 status_mapping() |
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my %table = Dancer2::Core::HTTP->status_mapping; |
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# returns ( 'Ok' => 200, 'Created' => 201, ... ) |
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Returns the full table of status -> code mappings. |
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=head2 code_mapping() |
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my %table = Dancer2::Core::HTTP->code_mapping; |
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# returns ( 200 => 'Ok', 201 => 'Created', ... ) |
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Returns the full table of code -> status mappings. |
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=head2 all_mappings() |
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my %table = Dancer2::Core::HTTP->all_mappings; |
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# returns ( 418 => 'I'm a teapot', "I'm a teapot' => 418, 'i_m_a_teapot' => 418 ) |
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Returns the code-to-status, status-to-code and underscore-groomed status-to-code mappings |
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all mashed up in a single table. Mostly for internal uses. |
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=head1 AUTHOR |
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Dancer Core Developers |
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2023 by Alexis Sukrieh. |
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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=cut |