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