/usr/share/perl5/Mojo/UserAgent/Transactor.pm is in libmojolicious-perl 6.15+dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 | package Mojo::UserAgent::Transactor;
use Mojo::Base -base;
use File::Basename 'basename';
use Mojo::Asset::File;
use Mojo::Asset::Memory;
use Mojo::Content::MultiPart;
use Mojo::Content::Single;
use Mojo::JSON 'encode_json';
use Mojo::Parameters;
use Mojo::Transaction::HTTP;
use Mojo::Transaction::WebSocket;
use Mojo::URL;
use Mojo::Util qw(encode url_escape);
has generators => sub { {form => \&_form, json => \&_json} };
has name => 'Mojolicious (Perl)';
sub add_generator { $_[0]->generators->{$_[1]} = $_[2] and return $_[0] }
sub endpoint {
my ($self, $tx) = @_;
# Basic endpoint
my $req = $tx->req;
my $url = $req->url;
my $proto = $url->protocol || 'http';
my $host = $url->ihost;
my $port = $url->port || ($proto eq 'https' ? 443 : 80);
# Proxy for normal HTTP requests
my $socks;
if (my $proxy = $req->proxy) { $socks = $proxy->protocol eq 'socks' }
return $self->_proxy($tx, $proto, $host, $port)
if $proto eq 'http' && !$req->is_handshake && !$socks;
return $proto, $host, $port;
}
sub peer { $_[0]->_proxy($_[1], $_[0]->endpoint($_[1])) }
sub proxy_connect {
my ($self, $old) = @_;
# Already a CONNECT request
my $req = $old->req;
return undef if uc $req->method eq 'CONNECT';
# No proxy
return undef unless my $proxy = $req->proxy;
return undef if $proxy->protocol eq 'socks';
# WebSocket and/or HTTPS
my $url = $req->url;
return undef unless $req->is_handshake || $url->protocol eq 'https';
# CONNECT request (expect a bad response)
my $new = $self->tx(CONNECT => $url->clone->userinfo(undef));
$new->req->proxy($proxy);
$new->res->content->auto_relax(0)->headers->connection('keep-alive');
return $new;
}
sub redirect {
my ($self, $old) = @_;
# Commonly used codes
my $res = $old->res;
my $code = $res->code // 0;
return undef unless grep { $_ == $code } 301, 302, 303, 307, 308;
# Fix location without authority and/or scheme
return undef unless my $location = $res->headers->location;
$location = Mojo::URL->new($location);
$location = $location->base($old->req->url)->to_abs unless $location->is_abs;
my $proto = $location->protocol;
return undef unless $proto eq 'http' || $proto eq 'https';
# Clone request if necessary
my $new = Mojo::Transaction::HTTP->new;
my $req = $old->req;
if ($code == 307 || $code == 308) {
return undef unless my $clone = $req->clone;
$new->req($clone);
}
else {
my $method = uc $req->method;
my $headers = $new->req->method($method eq 'POST' ? 'GET' : $method)
->content->headers($req->headers->clone)->headers;
$headers->remove($_) for grep {/^content-/i} @{$headers->names};
}
my $headers = $new->req->url($location)->headers;
$headers->remove($_) for qw(Authorization Cookie Host Referer);
return $new->previous($old);
}
sub tx {
my $self = shift;
# Method and URL
my $tx = Mojo::Transaction::HTTP->new;
my $req = $tx->req->method(shift);
my $url = shift;
$url = "http://$url" unless $url =~ m!^/|://!;
ref $url ? $req->url($url) : $req->url->parse($url);
# Headers (we identify ourselves and accept gzip compression)
my $headers = $req->headers;
$headers->from_hash(shift) if ref $_[0] eq 'HASH';
$headers->user_agent($self->name) unless $headers->user_agent;
$headers->accept_encoding('gzip') unless $headers->accept_encoding;
# Generator
if (@_ > 1) {
return $tx unless my $generator = $self->generators->{shift()};
$self->$generator($tx, @_);
}
# Body
elsif (@_) { $req->body(shift) }
return $tx;
}
sub upgrade {
my ($self, $tx) = @_;
my $code = $tx->res->code // 0;
return undef unless $tx->req->is_handshake && $code == 101;
my $ws = Mojo::Transaction::WebSocket->new(handshake => $tx, masked => 1);
return $ws->client_challenge ? $ws : undef;
}
sub websocket {
my $self = shift;
# New WebSocket transaction
my $sub = ref $_[-1] eq 'ARRAY' ? pop : [];
my $tx = $self->tx(GET => @_);
my $req = $tx->req;
$req->headers->sec_websocket_protocol(join ', ', @$sub) if @$sub;
my $url = $req->url;
my $proto = $url->protocol;
$url->scheme($proto eq 'wss' ? 'https' : 'http') if $proto;
# Handshake
Mojo::Transaction::WebSocket->new(handshake => $tx)->client_handshake;
return $tx;
}
sub _form {
my ($self, $tx, $form, %options) = @_;
# Check for uploads and force multipart if necessary
my $req = $tx->req;
my $headers = $req->headers;
my $multipart = ($headers->content_type // '') =~ m!multipart/form-data!i;
for my $value (map { ref $_ eq 'ARRAY' ? @$_ : $_ } values %$form) {
++$multipart and last if ref $value eq 'HASH';
}
# Multipart
if ($multipart) {
my $parts = $self->_multipart($options{charset}, $form);
$req->content(
Mojo::Content::MultiPart->new(headers => $headers, parts => $parts));
_type($headers, 'multipart/form-data');
return $tx;
}
# Query parameters or urlencoded
my $p = Mojo::Parameters->new(map { $_ => $form->{$_} } sort keys %$form);
$p->charset($options{charset}) if defined $options{charset};
my $method = uc $req->method;
if ($method eq 'GET' || $method eq 'HEAD') { $req->url->query($p) }
else {
$req->body($p->to_string);
_type($headers, 'application/x-www-form-urlencoded');
}
return $tx;
}
sub _json {
my ($self, $tx, $data) = @_;
_type($tx->req->body(encode_json $data)->headers, 'application/json');
return $tx;
}
sub _multipart {
my ($self, $charset, $form) = @_;
my @parts;
for my $name (sort keys %$form) {
my $values = $form->{$name};
for my $value (ref $values eq 'ARRAY' ? @$values : ($values)) {
push @parts, my $part = Mojo::Content::Single->new;
# Upload
my $filename;
my $headers = $part->headers;
if (ref $value eq 'HASH') {
# File
if (my $file = delete $value->{file}) {
$file = Mojo::Asset::File->new(path => $file) unless ref $file;
$part->asset($file);
$value->{filename} //= basename $file->path
if $file->isa('Mojo::Asset::File');
}
# Memory
elsif (defined(my $content = delete $value->{content})) {
$part->asset(Mojo::Asset::Memory->new->add_chunk($content));
}
# Filename and headers
$filename = url_escape delete $value->{filename} // $name, '"';
$filename = encode $charset, $filename if $charset;
$headers->from_hash($value);
}
# Field
else {
$value = encode $charset, $value if $charset;
$part->asset(Mojo::Asset::Memory->new->add_chunk($value));
}
# Content-Disposition
$name = url_escape $name, '"';
$name = encode $charset, $name if $charset;
my $disposition = qq{form-data; name="$name"};
$disposition .= qq{; filename="$filename"} if defined $filename;
$headers->content_disposition($disposition);
}
}
return \@parts;
}
sub _proxy {
my ($self, $tx, $proto, $host, $port) = @_;
# Update with proxy information
if (my $proxy = $tx->req->proxy) {
$proto = $proxy->protocol;
$host = $proxy->ihost;
$port = $proxy->port || ($proto eq 'https' ? 443 : 80);
}
return $proto, $host, $port;
}
sub _type { $_[0]->content_type($_[1]) unless $_[0]->content_type }
1;
=encoding utf8
=head1 NAME
Mojo::UserAgent::Transactor - User agent transactor
=head1 SYNOPSIS
use Mojo::UserAgent::Transactor;
# GET request with Accept header
my $t = Mojo::UserAgent::Transactor->new;
say $t->tx(GET => 'http://example.com' => {Accept => '*/*'})->req->to_string;
# POST request with form-data
say $t->tx(POST => 'example.com' => form => {a => 'b'})->req->to_string;
# PUT request with JSON data
say $t->tx(PUT => 'example.com' => json => {a => 'b'})->req->to_string;
=head1 DESCRIPTION
L<Mojo::UserAgent::Transactor> is the transaction building and manipulation
framework used by L<Mojo::UserAgent>.
=head1 GENERATORS
These content generators are available by default.
=head2 form
$t->tx(POST => 'http://example.com' => form => {a => 'b'});
Generate query string, C<application/x-www-form-urlencoded> or
C<multipart/form-data> content.
=head2 json
$t->tx(PATCH => 'http://example.com' => json => {a => 'b'});
Generate JSON content with L<Mojo::JSON>.
=head1 ATTRIBUTES
L<Mojo::UserAgent::Transactor> implements the following attributes.
=head2 generators
my $generators = $t->generators;
$t = $t->generators({foo => sub {...}});
Registered content generators, by default only C<form> and C<json> are already
defined.
=head2 name
my $name = $t->name;
$t = $t->name('Mojolicious');
Value for C<User-Agent> request header of generated transactions, defaults to
C<Mojolicious (Perl)>.
=head1 METHODS
L<Mojo::UserAgent::Transactor> inherits all methods from L<Mojo::Base> and
implements the following new ones.
=head2 add_generator
$t = $t->add_generator(foo => sub {...});
Register a new content generator.
=head2 endpoint
my ($proto, $host, $port) = $t->endpoint(Mojo::Transaction::HTTP->new);
Actual endpoint for transaction.
=head2 peer
my ($proto, $host, $port) = $t->peer(Mojo::Transaction::HTTP->new);
Actual peer for transaction.
=head2 proxy_connect
my $tx = $t->proxy_connect(Mojo::Transaction::HTTP->new);
Build L<Mojo::Transaction::HTTP> proxy C<CONNECT> request for transaction if
possible.
=head2 redirect
my $tx = $t->redirect(Mojo::Transaction::HTTP->new);
Build L<Mojo::Transaction::HTTP> follow-up request for C<301>, C<302>, C<303>,
C<307> or C<308> redirect response if possible.
=head2 tx
my $tx = $t->tx(GET => 'example.com');
my $tx = $t->tx(POST => 'http://example.com');
my $tx = $t->tx(GET => 'http://example.com' => {Accept => '*/*'});
my $tx = $t->tx(PUT => 'http://example.com' => 'Hi!');
my $tx = $t->tx(PUT => 'http://example.com' => form => {a => 'b'});
my $tx = $t->tx(PUT => 'http://example.com' => json => {a => 'b'});
my $tx = $t->tx(POST => 'http://example.com' => {Accept => '*/*'} => 'Hi!');
my $tx = $t->tx(
PUT => 'http://example.com' => {Accept => '*/*'} => form => {a => 'b'});
my $tx = $t->tx(
PUT => 'http://example.com' => {Accept => '*/*'} => json => {a => 'b'});
Versatile general purpose L<Mojo::Transaction::HTTP> transaction builder for
requests, with support for L</"GENERATORS">.
# Generate and inspect custom GET request with DNT header and content
say $t->tx(GET => 'example.com' => {DNT => 1} => 'Bye!')->req->to_string;
# Stream response content to STDOUT
my $tx = $t->tx(GET => 'http://example.com');
$tx->res->content->unsubscribe('read')->on(read => sub { say $_[1] });
# PUT request with content streamed from file
my $tx = $t->tx(PUT => 'http://example.com');
$tx->req->content->asset(Mojo::Asset::File->new(path => '/foo.txt'));
The C<json> content generator uses L<Mojo::JSON> for encoding and sets the
content type to C<application/json>.
# POST request with "application/json" content
my $tx = $t->tx(
POST => 'http://example.com' => json => {a => 'b', c => [1, 2, 3]});
The C<form> content generator will automatically use query parameters for
C<GET> and C<HEAD> requests.
# GET request with query parameters
my $tx = $t->tx(GET => 'http://example.com' => form => {a => 'b'});
For all other request methods the C<application/x-www-form-urlencoded> content
type is used.
# POST request with "application/x-www-form-urlencoded" content
my $tx = $t->tx(
POST => 'http://example.com' => form => {a => 'b', c => 'd'});
Parameters may be encoded with the C<charset> option.
# PUT request with Shift_JIS encoded form values
my $tx = $t->tx(
PUT => 'example.com' => form => {a => 'b'} => charset => 'Shift_JIS');
An array reference can be used for multiple form values sharing the same name.
# POST request with form values sharing the same name
my $tx = $t->tx(POST => 'http://example.com' => form => {a => [qw(b c d)]});
A hash reference with a C<content> or C<file> value can be used to switch to
the C<multipart/form-data> content type for file uploads.
# POST request with "multipart/form-data" content
my $tx = $t->tx(
POST => 'http://example.com' => form => {mytext => {content => 'lala'}});
# POST request with multiple files sharing the same name
my $tx = $t->tx(POST => 'http://example.com' =>
form => {mytext => [{content => 'first'}, {content => 'second'}]});
The C<file> value should contain the path to the file you want to upload or an
asset object, like L<Mojo::Asset::File> or L<Mojo::Asset::Memory>.
# POST request with upload streamed from file
my $tx = $t->tx(
POST => 'http://example.com' => form => {mytext => {file => '/foo.txt'}});
# POST request with upload streamed from asset
my $asset = Mojo::Asset::Memory->new->add_chunk('lalala');
my $tx = $t->tx(
POST => 'http://example.com' => form => {mytext => {file => $asset}});
A C<filename> value will be generated automatically, but can also be set
manually if necessary. All remaining values in the hash reference get merged
into the C<multipart/form-data> content as headers.
# POST request with form values and customized upload (filename and header)
my $tx = $t->tx(POST => 'http://example.com' => form => {
a => 'b',
c => 'd',
mytext => {
content => 'lalala',
filename => 'foo.txt',
'Content-Type' => 'text/plain'
}
});
The C<multipart/form-data> content type can also be enforced by setting the
C<Content-Type> header manually.
# Force "multipart/form-data"
my $headers = {'Content-Type' => 'multipart/form-data'};
my $tx = $t->tx(POST => 'example.com' => $headers => form => {a => 'b'});
=head2 upgrade
my $tx = $t->upgrade(Mojo::Transaction::HTTP->new);
Build L<Mojo::Transaction::WebSocket> follow-up transaction for WebSocket
handshake if possible.
=head2 websocket
my $tx = $t->websocket('ws://example.com');
my $tx = $t->websocket('ws://example.com' => {DNT => 1} => ['v1.proto']);
Versatile L<Mojo::Transaction::HTTP> transaction builder for WebSocket
handshake requests.
=head1 SEE ALSO
L<Mojolicious>, L<Mojolicious::Guides>, L<http://mojolicio.us>.
=cut
|