Open-ILS/src/perlmods/lib/OpenILS/WWW/EGCatLoader.pm

   1 package OpenILS::WWW::EGCatLoader;
   2 use strict; use warnings;
   3 use XML::LibXML;
   4 use URI::Escape;
   5 use Digest::MD5 qw(md5_hex);
   6 use Apache2::Const -compile => qw(OK DECLINED FORBIDDEN HTTP_INTERNAL_SERVER_ERROR REDIRECT HTTP_BAD_REQUEST);
   7 use OpenSRF::AppSession;
   8 use OpenSRF::EX qw/:try/;
   9 use OpenSRF::Utils qw/:datetime/;
  10 use OpenSRF::Utils::JSON;
  11 use OpenSRF::Utils::Logger qw/$logger/;
  12 use OpenILS::Application::AppUtils;
  13 use OpenILS::Utils::CStoreEditor qw/:funcs/;
  14 use OpenILS::Utils::Fieldmapper;
  15 use DateTime::Format::ISO8601;
  16 use CGI qw(:all -utf8);
  17 use Time::HiRes;
  18
  19 # EGCatLoader sub-modules
  20 use OpenILS::WWW::EGCatLoader::Util;
  21 use OpenILS::WWW::EGCatLoader::Account;
  22 use OpenILS::WWW::EGCatLoader::Browse;
  23 use OpenILS::WWW::EGCatLoader::Library;
  24 use OpenILS::WWW::EGCatLoader::Search;
  25 use OpenILS::WWW::EGCatLoader::Record;
  26 use OpenILS::WWW::EGCatLoader::Container;
  27 use OpenILS::WWW::EGCatLoader::SMS;
  28 use OpenILS::WWW::EGCatLoader::Register;
  29
  30 my $U = 'OpenILS::Application::AppUtils';
  31
  32 use constant COOKIE_SES => 'ses';
  33 use constant COOKIE_LOGGEDIN => 'eg_loggedin';
  34 use constant COOKIE_PHYSICAL_LOC => 'eg_physical_loc';
  35 use constant COOKIE_SSS_EXPAND => 'eg_sss_expand';
  36
  37 use constant COOKIE_ANON_CACHE => 'anoncache';
  38 use constant ANON_CACHE_MYLIST => 'mylist';
  39 use constant ANON_CACHE_STAFF_SEARCH => 'staffsearch';
  40
  41 use constant DEBUG_TIMING => 0;
  42
  43 sub new {
  44     my($class, $apache, $ctx) = @_;
  45
  46     my $self = bless({}, ref($class) || $class);
  47
  48     $self->apache($apache);
  49     $self->ctx($ctx);
  50     $self->cgi(new CGI);
  51     $self->timelog("New page");
  52
  53     OpenILS::Utils::CStoreEditor->init; # just in case
  54     $self->editor(new_editor());
  55
  56     return $self;
  57 }
  58
  59
  60 # current Apache2::RequestRec;
  61 sub apache {
  62     my($self, $apache) = @_;
  63     $self->{apache} = $apache if $apache;
  64     return $self->{apache};
  65 }
  66
  67 # runtime / template context
  68 sub ctx {
  69     my($self, $ctx) = @_;
  70     $self->{ctx} = $ctx if $ctx;
  71     return $self->{ctx};
  72 }
  73
  74 # cstore editor
  75 sub editor {
  76     my($self, $editor) = @_;
  77     $self->{editor} = $editor if $editor;
  78     return $self->{editor};
  79 }
  80
  81 # CGI handle
  82 sub cgi {
  83     my($self, $cgi) = @_;
  84     $self->{cgi} = $cgi if $cgi;
  85     return $self->{cgi};
  86 }
  87
  88 sub timelog {
  89     my($self, $description) = @_;
  90
  91     return unless DEBUG_TIMING;
  92     return unless $description;
  93     $self->ctx->{timing} ||= [];
  94
  95     my $timer = [Time::HiRes::gettimeofday()];
  96     $self->ctx->{time_begin} ||= $timer;
  97
  98     push @{$self->ctx->{timing}}, [
  99         Time::HiRes::tv_interval($self->ctx->{time_begin}, $timer), $description
 100     ];
 101 }
 102
 103 # -----------------------------------------------------------------------------
 104 # Perform initial setup, load common data, then load page data
 105 # -----------------------------------------------------------------------------
 106 sub load {
 107     my $self = shift;
 108
 109     $self->init_ro_object_cache;
 110     $self->timelog("Initial load");
 111
 112     my $stat = $self->load_common;
 113     return $stat unless $stat == Apache2::Const::OK;
 114
 115     my $path = $self->apache->path_info;
 116
 117     (undef, $self->ctx->{mylist}) = $self->fetch_mylist unless
 118         $path =~ /opac\/my(opac\/lists|list)/;
 119
 120     return $self->load_simple("home") if $path =~ m|opac/home|;
 121     return $self->load_simple("css") if $path =~ m|opac/css|;
 122     return $self->load_simple("advanced") if
 123         $path =~ m:opac/(advanced|numeric|expert):;
 124
 125     return $self->load_library if $path =~ m|opac/library|;
 126     return $self->load_rresults if $path =~ m|opac/results|;
 127     return $self->load_print_record if $path =~ m|opac/record/print|;
 128     return $self->load_record if $path =~ m|opac/record/\d|;
 129     return $self->load_cnbrowse if $path =~ m|opac/cnbrowse|;
 130     return $self->load_browse if $path =~ m|opac/browse|;
 131
 132     return $self->load_mylist_add if $path =~ m|opac/mylist/add|;
 133     return $self->load_mylist_delete if $path =~ m|opac/mylist/delete|;
 134     return $self->load_mylist_move if $path =~ m|opac/mylist/move|;
 135     return $self->load_mylist if $path =~ m|opac/mylist|;
 136     return $self->load_cache_clear if $path =~ m|opac/cache/clear|;
 137     return $self->load_temp_warn_post if $path =~ m|opac/temp_warn/post|;
 138     return $self->load_temp_warn if $path =~ m|opac/temp_warn|;
 139
 140     # ----------------------------------------------------------------
 141     #  Everything below here requires SSL
 142     # ----------------------------------------------------------------
 143     return $self->redirect_ssl unless $self->cgi->https;
 144     return $self->load_password_reset if $path =~ m|opac/password_reset|;
 145     return $self->load_logout if $path =~ m|opac/logout|;
 146     return $self->load_patron_reg if $path =~ m|opac/register|;
 147
 148     if($path =~ m|opac/login|) {
 149         return $self->load_login unless $self->editor->requestor; # already logged in?
 150
 151         # This will be less confusing to users than to be shown a login form
 152         # when they're already logged in.
 153         return $self->generic_redirect(
 154             sprintf(
 155                 "%s://%s%s/myopac/main",
 156                 $self->ctx->{proto},
 157                 $self->ctx->{hostname}, $self->ctx->{opac_root}
 158             )
 159         );
 160     }
 161
 162     if ($path =~ m|opac/sms_cn| and !$self->editor->requestor) {
 163         my $org_unit = $self->ctx->{physical_loc} || $self->cgi->param('loc') || $self->ctx->{aou_tree}->()->id;
 164         my $skip_sms_auth = $self->ctx->{get_org_setting}->($org_unit, 'sms.disable_authentication_requirement.callnumbers');
 165         return $self->load_sms_cn if $skip_sms_auth;
 166     }
 167
 168     # ----------------------------------------------------------------
 169     #  Everything below here requires authentication
 170     # ----------------------------------------------------------------
 171     return $self->redirect_auth unless $self->editor->requestor;
 172
 173     # Don't cache anything requiring auth for security reasons
 174     $self->apache->headers_out->add("cache-control" => "no-store, no-cache, must-revalidate");
 175     $self->apache->headers_out->add("expires" => "-1");
 176
 177     return $self->load_email_record if $path =~ m|opac/record/email|;
 178
 179     return $self->load_place_hold if $path =~ m|opac/place_hold|;
 180     return $self->load_myopac_holds if $path =~ m|opac/myopac/holds|;
 181     return $self->load_myopac_circs if $path =~ m|opac/myopac/circs|;
 182     return $self->load_myopac_payment_form if $path =~ m|opac/myopac/main_payment_form|;
 183     return $self->load_myopac_payments if $path =~ m|opac/myopac/main_payments|;
 184     return $self->load_myopac_pay_init if $path =~ m|opac/myopac/main_pay_init|;
 185     return $self->load_myopac_pay if $path =~ m|opac/myopac/main_pay|;
 186     return $self->load_myopac_main if $path =~ m|opac/myopac/main|;
 187     return $self->load_myopac_receipt_email if $path =~ m|opac/myopac/receipt_email|;
 188     return $self->load_myopac_receipt_print if $path =~ m|opac/myopac/receipt_print|;
 189     return $self->load_myopac_update_email if $path =~ m|opac/myopac/update_email|;
 190     return $self->load_myopac_update_password if $path =~ m|opac/myopac/update_password|;
 191     return $self->load_myopac_update_username if $path =~ m|opac/myopac/update_username|;
 192     return $self->load_myopac_bookbags if $path =~ m|opac/myopac/lists|;
 193     return $self->load_myopac_bookbag_print if $path =~ m|opac/myopac/list/print|;
 194     return $self->load_myopac_bookbag_update if $path =~ m|opac/myopac/list/update|;
 195     return $self->load_myopac_circ_history_export if $path =~ m|opac/myopac/circ_history/export|;
 196     return $self->load_myopac_circ_history if $path =~ m|opac/myopac/circ_history|;
 197     return $self->load_myopac_hold_history if $path =~ m|opac/myopac/hold_history|;
 198     return $self->load_myopac_prefs_notify if $path =~ m|opac/myopac/prefs_notify|;
 199     return $self->load_myopac_prefs_settings if $path =~ m|opac/myopac/prefs_settings|;
 200     return $self->load_myopac_prefs_my_lists if $path =~ m|opac/myopac/prefs_my_lists|;
 201     return $self->load_myopac_prefs if $path =~ m|opac/myopac/prefs|;
 202     return $self->load_sms_cn if $path =~ m|opac/sms_cn|;
 203
 204     return Apache2::Const::OK;
 205 }
 206
 207
 208 # -----------------------------------------------------------------------------
 209 # Redirect to SSL equivalent of a given page
 210 # -----------------------------------------------------------------------------
 211 sub redirect_ssl {
 212     my $self = shift;
 213     my $new_page = sprintf('%s://%s%s', ($self->ctx->{is_staff} ? 'oils' : 'https'), $self->ctx->{hostname}, $self->apache->unparsed_uri);
 214     return $self->generic_redirect($new_page);
 215 }
 216
 217 # -----------------------------------------------------------------------------
 218 # If an authnticated resource is requested w/o auth, redirect to the login page,
 219 # then return to the originally requrested resource upon successful login.
 220 # -----------------------------------------------------------------------------
 221 sub redirect_auth {
 222     my $self = shift;
 223     my $login_page = sprintf('%s://%s%s/login',($self->ctx->{is_staff} ? 'oils' : 'https'), $self->ctx->{hostname}, $self->ctx->{opac_root});
 224     my $redirect_to = uri_escape_utf8($self->apache->unparsed_uri);
 225     return $self->generic_redirect("$login_page?redirect_to=$redirect_to");
 226 }
 227
 228 # -----------------------------------------------------------------------------
 229 # Fall-through for loading a basic page
 230 # -----------------------------------------------------------------------------
 231 sub load_simple {
 232     my ($self, $page) = @_;
 233     $self->ctx->{page} = $page;
 234     $self->ctx->{search_ou} = $self->_get_search_lib();
 235
 236     return Apache2::Const::OK;
 237 }
 238
 239 # -----------------------------------------------------------------------------
 240 # Tests to see if the user is authenticated and sets some common context values
 241 # -----------------------------------------------------------------------------
 242 sub load_common {
 243     my $self = shift;
 244
 245     my $e = $self->editor;
 246     my $ctx = $self->ctx;
 247
 248     # redirect non-https to https if we think we are already logged in
 249     if ($self->cgi->cookie(COOKIE_LOGGEDIN)) {
 250         return $self->redirect_ssl unless $self->cgi->https;
 251     }
 252
 253     $ctx->{referer} = $self->cgi->referer;
 254     $ctx->{path_info} = $self->cgi->path_info;
 255     $ctx->{full_path} = $ctx->{base_path} . $self->cgi->path_info;
 256     $ctx->{unparsed_uri} = $self->apache->unparsed_uri;
 257     $ctx->{opac_root} = $ctx->{base_path} . "/opac"; # absolute base url
 258     my $oils_wrapper = $self->apache->headers_in->get('OILS-Wrapper') || '';
 259     $ctx->{is_staff} = ($oils_wrapper =~ /true/);
 260     $ctx->{proto} = 'oils' if $ctx->{is_staff};
 261     $ctx->{hostname} = 'remote' if $ctx->{is_staff};
 262     $ctx->{physical_loc} = $self->get_physical_loc;
 263
 264     # capture some commonly accessed pages
 265     $ctx->{home_page} = $ctx->{proto} . '://' . $ctx->{hostname} . $self->ctx->{opac_root} . "/home";
 266     $ctx->{logout_page} = ($ctx->{proto} eq 'http' ? 'https' : $ctx->{proto} ) . '://' . $ctx->{hostname} . $self->ctx->{opac_root} . "/logout";
 267
 268     if($e->authtoken($self->cgi->cookie(COOKIE_SES))) {
 269
 270         if($e->checkauth) {
 271
 272             $ctx->{authtoken} = $e->authtoken;
 273             $ctx->{authtime} = $e->authtime;
 274             $ctx->{user} = $e->requestor;
 275             $ctx->{place_unfillable} = 1 if $e->requestor->wsid && $e->allowed('PLACE_UNFILLABLE_HOLD', $e->requestor->ws_ou);
 276
 277             $ctx->{user_stats} = $U->simplereq(
 278                 'open-ils.actor',
 279                 'open-ils.actor.user.opac.vital_stats',
 280                 $e->authtoken, $e->requestor->id);
 281
 282         } else {
 283
 284             # if we encounter a stale authtoken, call load_logout
 285             # to clean up the cookie, then redirect the user to the
 286             # originally requested page
 287             return $self->load_logout($self->apache->unparsed_uri);
 288         }
 289     }
 290
 291     $self->extract_copy_location_group_info;
 292     $ctx->{search_ou} = $self->_get_search_lib();
 293     $self->staff_saved_searches_set_expansion_state if $ctx->{is_staff};
 294     $self->load_eg_cache_hash;
 295     $self->load_copy_location_groups;
 296     $self->staff_saved_searches_set_expansion_state if $ctx->{is_staff};
 297     $self->load_search_filter_groups($ctx->{search_ou});
 298     $self->load_org_util_funcs;
 299
 300     return Apache2::Const::OK;
 301 }
 302
 303 sub staff_saved_searches_set_expansion_state {
 304     my $self = shift;
 305
 306     my $param = $self->cgi->param('sss_expand');
 307     my $value;
 308
 309     if (defined $param) {
 310         $value = ($param ? 1 : 0);
 311         $self->apache->headers_out->add(
 312             "Set-Cookie" => $self->cgi->cookie(
 313                 -name => COOKIE_SSS_EXPAND,
 314                 -path => $self->ctx->{base_path},
 315                 -secure => 1,   # not strictly necessary, but this feature is staff-only, so may as well
 316                 -value => $value,
 317                 -expires => undef
 318             )
 319         );
 320     } else {
 321         $value = $self->cgi->cookie(COOKIE_SSS_EXPAND);
 322     }
 323
 324     $self->ctx->{saved_searches_expanded} = $value;
 325 }
 326
 327 # physical_loc (i.e. "original location") passed in as a URL
 328 # param will replace any existing physical_loc stored as a cookie.
 329 # If specified via ENV that rules over all and we don't set cookies.
 330 sub get_physical_loc {
 331     my $self = shift;
 332
 333     return $ENV{physical_loc} if($ENV{physical_loc});
 334
 335     if(my $physical_loc = $self->cgi->param('physical_loc')) {
 336         $self->apache->headers_out->add(
 337             "Set-Cookie" => $self->cgi->cookie(
 338                 -name => COOKIE_PHYSICAL_LOC,
 339                 -path => $self->ctx->{base_path},
 340                 -value => $physical_loc,
 341                 -expires => undef
 342             )
 343         );
 344         return $physical_loc;
 345     }
 346
 347     return $self->cgi->cookie(COOKIE_PHYSICAL_LOC);
 348 }
 349
 350 # -----------------------------------------------------------------------------
 351 # Log in and redirect to the redirect_to URL (or home)
 352 # -----------------------------------------------------------------------------
 353 sub load_login {
 354     my $self = shift;
 355     my $cgi = $self->cgi;
 356     my $ctx = $self->ctx;
 357
 358     $self->timelog("Load login begins");
 359
 360     $ctx->{page} = 'login';
 361
 362     my $username = $cgi->param('username');
 363     $username =~ s/\s//g;  # Remove blanks
 364     my $password = $cgi->param('password');
 365     my $org_unit = $ctx->{physical_loc} || $ctx->{aou_tree}->()->id;
 366     my $persist = $cgi->param('persist');
 367
 368     # initial log form only
 369     return Apache2::Const::OK unless $username and $password;
 370
 371     my $auth_proxy_enabled = 0; # default false
 372     try { # if the service is not running, just let this fail silently
 373         $auth_proxy_enabled = $U->simplereq(
 374             'open-ils.auth_proxy',
 375             'open-ils.auth_proxy.enabled');
 376     } catch Error with {};
 377
 378     $self->timelog("Checked for auth proxy: $auth_proxy_enabled; org = $org_unit; username = $username");
 379
 380     my $args = {
 381         type => ($persist) ? 'persist' : 'opac',
 382         org => $org_unit,
 383         agent => 'opac'
 384     };
 385
 386     my $bc_regex = $ctx->{get_org_setting}->($org_unit, 'opac.barcode_regex');
 387
 388     # To avoid surprises, default to "Barcodes start with digits"
 389     $bc_regex = '^\d' unless $bc_regex;
 390
 391     if ($bc_regex and ($username =~ /$bc_regex/)) {
 392         $args->{barcode} = $username;
 393     } else {
 394         $args->{username} = $username;
 395     }
 396
 397     my $response;
 398     if (!$auth_proxy_enabled) {
 399         my $seed = $U->simplereq(
 400             'open-ils.auth',
 401             'open-ils.auth.authenticate.init', $username);
 402         $args->{password} = md5_hex($seed . md5_hex($password));
 403         $response = $U->simplereq(
 404             'open-ils.auth', 'open-ils.auth.authenticate.complete', $args);
 405     } else {
 406         $args->{password} = $password;
 407         $response = $U->simplereq(
 408             'open-ils.auth_proxy',
 409             'open-ils.auth_proxy.login', $args);
 410     }
 411     $self->timelog("Checked password");
 412
 413     if($U->event_code($response)) {
 414         # login failed, report the reason to the template
 415         $ctx->{login_failed_event} = $response;
 416         return Apache2::Const::OK;
 417     }
 418
 419     # login succeeded, redirect as necessary
 420
 421     my $acct = $self->apache->unparsed_uri;
 422     $acct =~ s|/login|/myopac/main|;
 423
 424     # both login-related cookies should expire at the same time
 425     my $login_cookie_expires = ($persist) ? CORE::time + $response->{payload}->{authtime} : undef;
 426
 427     return $self->generic_redirect(
 428         $cgi->param('redirect_to') || $acct,
 429         [
 430             # contains the actual auth token and should be sent only over https
 431             $cgi->cookie(
 432                 -name => COOKIE_SES,
 433                 -path => '/',
 434                 -secure => 1,
 435                 -value => $response->{payload}->{authtoken},
 436                 -expires => $login_cookie_expires
 437             ),
 438             # contains only a hint that we are logged in, and is used to
 439             # trigger a redirect to https
 440             $cgi->cookie(
 441                 -name => COOKIE_LOGGEDIN,
 442                 -path => '/',
 443                 -secure => 0,
 444                 -value => '1',
 445                 -expires => $login_cookie_expires
 446             )
 447         ]
 448     );
 449 }
 450
 451 # -----------------------------------------------------------------------------
 452 # Log out and redirect to the home page
 453 # -----------------------------------------------------------------------------
 454 sub load_logout {
 455     my $self = shift;
 456     my $redirect_to = shift || $self->cgi->param('redirect_to');
 457
 458     # If the user was adding anyting to an anonymous cache
 459     # while logged in, go ahead and clear it out.
 460     $self->clear_anon_cache;
 461
 462     return $self->generic_redirect(
 463         $redirect_to || $self->ctx->{home_page},
 464         [
 465             # clear value of and expire both of these login-related cookies
 466             $self->cgi->cookie(
 467                 -name => COOKIE_SES,
 468                 -path => '/',
 469                 -value => '',
 470                 -expires => '-1h'
 471             ),
 472             $self->cgi->cookie(
 473                 -name => COOKIE_LOGGEDIN,
 474                 -path => '/',
 475                 -value => '',
 476                 -expires => '-1h'
 477             )
 478         ]
 479     );
 480 }
 481
 482 1;
 483