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
  18 # EGCatLoader sub-modules
  19 use OpenILS::WWW::EGCatLoader::Util;
  20 use OpenILS::WWW::EGCatLoader::Account;
  21 use OpenILS::WWW::EGCatLoader::Search;
  22 use OpenILS::WWW::EGCatLoader::Record;
  23 use OpenILS::WWW::EGCatLoader::Container;
  24
  25 my $U = 'OpenILS::Application::AppUtils';
  26
  27 use constant COOKIE_SES => 'ses';
  28 use constant COOKIE_ORIG_LOC => 'eg_orig_loc';
  29
  30 sub new {
  31     my($class, $apache, $ctx) = @_;
  32
  33     my $self = bless({}, ref($class) || $class);
  34
  35     $self->apache($apache);
  36     $self->ctx($ctx);
  37     $self->cgi(new CGI);
  38
  39     OpenILS::Utils::CStoreEditor->init; # just in case
  40     $self->editor(new_editor());
  41
  42     return $self;
  43 }
  44
  45
  46 # current Apache2::RequestRec;
  47 sub apache {
  48     my($self, $apache) = @_;
  49     $self->{apache} = $apache if $apache;
  50     return $self->{apache};
  51 }
  52
  53 # runtime / template context
  54 sub ctx {
  55     my($self, $ctx) = @_;
  56     $self->{ctx} = $ctx if $ctx;
  57     return $self->{ctx};
  58 }
  59
  60 # cstore editor
  61 sub editor {
  62     my($self, $editor) = @_;
  63     $self->{editor} = $editor if $editor;
  64     return $self->{editor};
  65 }
  66
  67 # CGI handle
  68 sub cgi {
  69     my($self, $cgi) = @_;
  70     $self->{cgi} = $cgi if $cgi;
  71     return $self->{cgi};
  72 }
  73
  74
  75 # -----------------------------------------------------------------------------
  76 # Perform initial setup, load common data, then load page data
  77 # -----------------------------------------------------------------------------
  78 sub load {
  79     my $self = shift;
  80
  81     $self->init_ro_object_cache;
  82
  83     my $stat = $self->load_common;
  84     return $stat unless $stat == Apache2::Const::OK;
  85
  86     my $path = $self->apache->path_info;
  87
  88     (undef, $self->ctx->{mylist}) = $self->fetch_mylist unless
  89         $path =~ /opac\/my(opac\/lists|list)/;
  90
  91     return $self->load_simple("home") if $path =~ m|opac/home|;
  92     return $self->load_simple("advanced") if
  93         $path =~ m:opac/(advanced|numeric|expert):;
  94
  95     return $self->load_rresults if $path =~ m|opac/results|;
  96     return $self->load_record if $path =~ m|opac/record|;
  97     return $self->load_cnbrowse if $path =~ m|opac/cnbrowse|;
  98
  99     return $self->load_mylist_add if $path =~ m|opac/mylist/add|;
 100     return $self->load_mylist_move if $path =~ m|opac/mylist/move|;
 101     return $self->load_mylist if $path =~ m|opac/mylist|;
 102     return $self->load_cache_clear if $path =~ m|opac/cache/clear|;
 103
 104     # ----------------------------------------------------------------
 105     # Logout and login require SSL
 106     # ----------------------------------------------------------------
 107     if($path =~ m|opac/login|) {
 108         return $self->redirect_ssl unless $self->cgi->https;
 109         return $self->load_login unless $self->editor->requestor; # already logged in?
 110
 111         # This will be less confusing to users than to be shown a login form
 112         # when they're already logged in.
 113         return $self->generic_redirect(
 114             sprintf(
 115                 "https://%s%s/myopac/main",
 116                 $self->apache->hostname, $self->ctx->{opac_root}
 117             )
 118         );
 119     }
 120
 121     if($path =~ m|opac/logout|) {
 122         #return Apache2::Const::FORBIDDEN unless $self->cgi->https;
 123         $self->apache->log->warn("catloader: logout called in non-secure context from " .
 124             ($self->ctx->{referer} || '<no referer>')) unless $self->cgi->https;
 125         return $self->load_logout;
 126     }
 127
 128     # ----------------------------------------------------------------
 129     #  Everything below here requires SSL + authentication
 130     # ----------------------------------------------------------------
 131     return $self->redirect_auth
 132         unless $self->cgi->https and $self->editor->requestor;
 133
 134     return $self->load_place_hold if $path =~ m|opac/place_hold|;
 135     return $self->load_myopac_holds if $path =~ m|opac/myopac/holds|;
 136     return $self->load_myopac_circs if $path =~ m|opac/myopac/circs|;
 137     return $self->load_myopac_payment_form if $path =~ m|opac/myopac/main_payment_form|;
 138     return $self->load_myopac_payments if $path =~ m|opac/myopac/main_payments|;
 139     return $self->load_myopac_pay if $path =~ m|opac/myopac/main_pay|;
 140     return $self->load_myopac_main if $path =~ m|opac/myopac/main|;
 141     return $self->load_myopac_receipt_email if $path =~ m|opac/myopac/receipt_email|;
 142     return $self->load_myopac_receipt_print if $path =~ m|opac/myopac/receipt_print|;
 143     return $self->load_myopac_update_email if $path =~ m|opac/myopac/update_email|;
 144     return $self->load_myopac_update_password if $path =~ m|opac/myopac/update_password|;
 145     return $self->load_myopac_update_username if $path =~ m|opac/myopac/update_username|;
 146     return $self->load_myopac_bookbags if $path =~ m|opac/myopac/lists|;
 147     return $self->load_myopac_bookbag_update if $path =~ m|opac/myopac/list/update|;
 148     return $self->load_myopac_circ_history if $path =~ m|opac/myopac/circ_history|;
 149     return $self->load_myopac_hold_history if $path =~ m|opac/myopac/hold_history|;
 150     return $self->load_myopac_prefs_notify if $path =~ m|opac/myopac/prefs_notify|;
 151     return $self->load_myopac_prefs_settings if $path =~ m|opac/myopac/prefs_settings|;
 152     return $self->load_myopac_prefs if $path =~ m|opac/myopac/prefs|;
 153
 154     return Apache2::Const::OK;
 155 }
 156
 157
 158 # -----------------------------------------------------------------------------
 159 # Redirect to SSL equivalent of a given page
 160 # -----------------------------------------------------------------------------
 161 sub redirect_ssl {
 162     my $self = shift;
 163     my $new_page = sprintf('https://%s%s', $self->apache->hostname, $self->apache->unparsed_uri);
 164     return $self->generic_redirect($new_page);
 165 }
 166
 167 # -----------------------------------------------------------------------------
 168 # If an authnticated resource is requested w/o auth, redirect to the login page,
 169 # then return to the originally requrested resource upon successful login.
 170 # -----------------------------------------------------------------------------
 171 sub redirect_auth {
 172     my $self = shift;
 173     my $login_page = sprintf('https://%s%s/login', $self->apache->hostname, $self->ctx->{opac_root});
 174     my $redirect_to = uri_escape($self->apache->unparsed_uri);
 175     return $self->generic_redirect("$login_page?redirect_to=$redirect_to");
 176 }
 177
 178 # -----------------------------------------------------------------------------
 179 # Fall-through for loading a basic page
 180 # -----------------------------------------------------------------------------
 181 sub load_simple {
 182     my ($self, $page) = @_;
 183     $self->ctx->{page} = $page;
 184
 185     if (my $patron_barcode = $self->cgi->param("patron_barcode")) {
 186         # Special CGI variable from staff client; propagate henceforth as cookie
 187         $self->apache->headers_out->add(
 188             "Set-Cookie" => $self->cgi->cookie(
 189                 -name => "patron_barcode",
 190                 -path => "/",
 191                 -secure => 1,
 192                 -value => $patron_barcode,
 193                 -expires => undef
 194             )
 195         );
 196     }
 197     return Apache2::Const::OK;
 198 }
 199
 200 # -----------------------------------------------------------------------------
 201 # Tests to see if the user is authenticated and sets some common context values
 202 # -----------------------------------------------------------------------------
 203 sub load_common {
 204     my $self = shift;
 205
 206     my $e = $self->editor;
 207     my $ctx = $self->ctx;
 208
 209     $ctx->{referer} = $self->cgi->referer;
 210     $ctx->{path_info} = $self->cgi->path_info;
 211     $ctx->{full_path} = $ctx->{base_path} . $self->cgi->path_info;
 212     $ctx->{unparsed_uri} = $self->apache->unparsed_uri;
 213     $ctx->{opac_root} = $ctx->{base_path} . "/opac"; # absolute base url
 214     $ctx->{is_staff} = ($self->apache->headers_in->get('User-Agent') =~ /oils_xulrunner/);
 215     $ctx->{orig_loc} = $self->get_orig_loc;
 216
 217     # capture some commonly accessed pages
 218     $ctx->{home_page} = 'http://' . $self->apache->hostname . $self->ctx->{opac_root} . "/home";
 219     $ctx->{logout_page} = 'https://' . $self->apache->hostname . $self->ctx->{opac_root} . "/logout";
 220
 221     if($e->authtoken($self->cgi->cookie(COOKIE_SES))) {
 222
 223         if($e->checkauth) {
 224
 225             $ctx->{authtoken} = $e->authtoken;
 226             $ctx->{authtime} = $e->authtime;
 227             $ctx->{user} = $e->requestor;
 228
 229             $ctx->{user_stats} = $U->simplereq(
 230                 'open-ils.actor',
 231                 'open-ils.actor.user.opac.vital_stats',
 232                 $e->authtoken, $e->requestor->id);
 233
 234         } else {
 235
 236             # if we encounter a stale authtoken, call load_logout
 237             # to clean up the cookie, then redirect the user to the
 238             # originally requested page
 239             return $self->load_logout($self->apache->unparsed_uri);
 240         }
 241     }
 242
 243     return Apache2::Const::OK;
 244 }
 245
 246 # orig_loc (i.e. "original location") passed in as a URL
 247 # param will replace any existing orig_loc stored as a cookie.
 248 sub get_orig_loc {
 249     my $self = shift;
 250
 251     if(my $orig_loc = $self->cgi->param('orig_loc')) {
 252         $self->apache->headers_out->add(
 253             "Set-Cookie" => $self->cgi->cookie(
 254                 -name => COOKIE_ORIG_LOC,
 255                 -path => $self->ctx->{base_path},
 256                 -value => $orig_loc,
 257                 -expires => undef
 258             )
 259         );
 260         return $orig_loc;
 261     }
 262
 263     return $self->cgi->cookie(COOKIE_ORIG_LOC);
 264 }
 265
 266
 267
 268 # -----------------------------------------------------------------------------
 269 # Log in and redirect to the redirect_to URL (or home)
 270 # -----------------------------------------------------------------------------
 271 sub load_login {
 272     my $self = shift;
 273     my $cgi = $self->cgi;
 274     my $ctx = $self->ctx;
 275
 276     $ctx->{page} = 'login';
 277
 278     my $username = $cgi->param('username');
 279     my $password = $cgi->param('password');
 280     my $org_unit = $cgi->param('loc') || $ctx->{aou_tree}->()->id;
 281     my $persist = $cgi->param('persist');
 282
 283     # initial log form only
 284     return Apache2::Const::OK unless $username and $password;
 285
 286         my $seed = $U->simplereq(
 287         'open-ils.auth',
 288                 'open-ils.auth.authenticate.init', $username);
 289
 290     my $args = {
 291         username => $username,
 292         password => md5_hex($seed . md5_hex($password)),
 293         type => ($persist) ? 'persist' : 'opac'
 294     };
 295
 296     my $bc_regex = $ctx->{get_org_setting}->($org_unit, 'opac.barcode_regex');
 297
 298     $args->{barcode} = delete $args->{username}
 299         if $bc_regex and ($username =~ /$bc_regex/);
 300
 301         my $response = $U->simplereq(
 302         'open-ils.auth', 'open-ils.auth.authenticate.complete', $args);
 303
 304     if($U->event_code($response)) {
 305         # login failed, report the reason to the template
 306         $ctx->{login_failed_event} = $response;
 307         return Apache2::Const::OK;
 308     }
 309
 310     # login succeeded, redirect as necessary
 311
 312     my $acct = $self->apache->unparsed_uri;
 313     $acct =~ s|/login|/myopac/main|;
 314
 315     return $self->generic_redirect(
 316         $cgi->param('redirect_to') || $acct,
 317         $cgi->cookie(
 318             -name => COOKIE_SES,
 319             -path => '/',
 320             -secure => 1,
 321             -value => $response->{payload}->{authtoken},
 322             -expires => ($persist) ? CORE::time + $response->{payload}->{authtime} : undef
 323         )
 324     );
 325 }
 326
 327 # -----------------------------------------------------------------------------
 328 # Log out and redirect to the home page
 329 # -----------------------------------------------------------------------------
 330 sub load_logout {
 331     my $self = shift;
 332     my $redirect_to = shift;
 333
 334     # If the user was adding anyting to an anonymous cache
 335     # while logged in, go ahead and clear it out.
 336     $self->clear_anon_cache;
 337
 338     return $self->generic_redirect(
 339         $redirect_to || $self->ctx->{home_page},
 340         $self->cgi->cookie(
 341             -name => COOKIE_SES,
 342             -path => '/',
 343             -value => '',
 344             -expires => '-1h'
 345         )
 346     );
 347 }
 348
 349 1;
 350