src/browseldap.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 2003-2022 Match Grun and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 /*
  20  * Browse LDAP entry.
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #  include "config.h"
  25 #include "claws-features.h"
  26 #endif
  27
  28 #ifdef USE_LDAP
  29
  30 #include "defs.h"
  31
  32 #include <glib.h>
  33 #include <glib/gi18n.h>
  34 #include <gdk/gdkkeysyms.h>
  35 #include <gtk/gtk.h>
  36
  37 #include <pthread.h>
  38 #include "gtkutils.h"
  39 #include "stock_pixmap.h"
  40 #include "prefs_common.h"
  41 #include "browseldap.h"
  42 #include "addritem.h"
  43 #include "addrindex.h"
  44 #include "manage_window.h"
  45
  46 #include "ldapquery.h"
  47 #include "ldapserver.h"
  48 #include "ldaplocate.h"
  49
  50 typedef enum {
  51         COL_NAME,
  52         COL_VALUE,
  53         N_COLS
  54 } LDAPEntryColumnPos;
  55
  56 #define BROWSELDAP_WIDTH    450
  57 #define BROWSELDAP_HEIGHT   420
  58
  59 #define COL_WIDTH_NAME      140
  60 #define COL_WIDTH_VALUE     140
  61
  62 static struct _LDAPEntry_dlg {
  63         GtkWidget *window;
  64         GtkWidget *label_server;
  65         GtkWidget *label_address;
  66         GtkWidget *list_view;
  67         GtkWidget *close_btn;
  68 } browseldap_dlg;
  69
  70 /**
  71  * Message queue.
  72  */
  73 static GList *_displayQueue_ = NULL;
  74
  75 /**
  76  * Mutex to protect callback from multiple threads.
  77  */
  78 static pthread_mutex_t _browseMutex_ = PTHREAD_MUTEX_INITIALIZER;
  79
  80 /**
  81  * Current query ID.
  82  */
  83 static gint _queryID_ = 0;
  84
  85 /**
  86  * Completion idle ID.
  87  */
  88 static guint _browseIdleID_ = 0;
  89
  90 /**
  91  * Search complete indicator.
  92  */
  93 static gboolean _searchComplete_ = FALSE;
  94
  95 /**
  96  * Callback entry point for each LDAP entry processed. The background thread
  97  * (if any) appends the address list to the display queue.
  98  *
  99  * \param qry        LDAP query object.
 100  * \param queryID    Query ID of search request.
 101  * \param listEMail  List of zero of more email objects that met search
 102  *                   criteria.
 103  * \param data       User data.
 104  */
 105 static gint browse_callback_entry(
 106                 LdapQuery *qry, gint queryID, GList *listValues, gpointer data )
 107 {
 108         GList *node;
 109         NameValuePair *nvp;
 110
 111         debug_print("browse_callback_entry...\n");
 112         pthread_mutex_lock( & _browseMutex_ );
 113         /* Append contents to end of display queue */
 114         node = listValues;
 115         while( node ) {
 116                 nvp = ( NameValuePair * ) node->data;
 117                 debug_print("adding to list: %s->%s\n",
 118                                 nvp->name?nvp->name:"null",
 119                                 nvp->value?nvp->value:"null");
 120                 _displayQueue_ = g_list_append( _displayQueue_, nvp );
 121                 node->data = NULL;
 122                 node = g_list_next( node );
 123         }
 124         pthread_mutex_unlock( & _browseMutex_ );
 125         /* g_print( "browse_callback_entry...done\n" ); */
 126
 127         return 0;
 128 }
 129
 130 /**
 131  * Callback entry point for end of LDAP locate search.
 132  *
 133  * \param qry     LDAP query object.
 134  * \param queryID Query ID of search request.
 135  * \param status  Status/error code.
 136  * \param data    User data.
 137  */
 138 static gint browse_callback_end(
 139                 LdapQuery *qry, gint queryID, gint status, gpointer data )
 140 {
 141         debug_print("search completed\n");
 142         _searchComplete_ = TRUE;
 143         return 0;
 144 }
 145
 146 /**
 147  * Clear the display queue.
 148  */
 149 static void browse_clear_queue( void ) {
 150         /* Clear out display queue */
 151         pthread_mutex_lock( & _browseMutex_ );
 152
 153         ldapqry_free_list_name_value( _displayQueue_ );
 154         g_list_free( _displayQueue_ );
 155         _displayQueue_ = NULL;
 156
 157         pthread_mutex_unlock( & _browseMutex_ );
 158 }
 159
 160 /**
 161  * Close window callback.
 162  * \param widget    Widget.
 163  * \param event     Event.
 164  * \param cancelled Cancelled flag.
 165  */
 166 static gint browse_delete_event(
 167                 GtkWidget *widget, GdkEventAny *event, gboolean *cancelled )
 168 {
 169         gtk_main_quit();
 170         return TRUE;
 171 }
 172
 173 /**
 174  * Respond to key press in window.
 175  * \param widget    Widget.
 176  * \param event     Event.
 177  * \param cancelled Cancelled flag.
 178  */
 179 static void browse_key_pressed(
 180                 GtkWidget *widget, GdkEventKey *event, gboolean *cancelled )
 181 {
 182         if (event && event->keyval == GDK_KEY_Escape) {
 183                 gtk_main_quit();
 184         }
 185 }
 186
 187 /**
 188  * Callback to close window.
 189  * \param widget    Widget.
 190  * \param cancelled Cancelled flag.
 191  */
 192 static void browse_close( GtkWidget *widget, gboolean *cancelled ) {
 193         gtk_main_quit();
 194 }
 195
 196 /**
 197  * Create the window to display data.
 198  */
 199 static void browse_create( void ) {
 200         GtkWidget *window;
 201         GtkWidget *vbox;
 202         GtkWidget *table;
 203         GtkWidget *label;
 204         GtkWidget *label_server;
 205         GtkWidget *label_addr;
 206         GtkWidget *vlbox;
 207         GtkWidget *tree_win;
 208         GtkWidget *hbbox;
 209         GtkWidget *close_btn;
 210         GtkWidget *content_area;
 211         GtkWidget *view;
 212         GtkListStore *store;
 213         GtkTreeSelection *sel;
 214         GtkCellRenderer *rdr;
 215         GtkTreeViewColumn *col;
 216
 217         debug_print("creating browse widget\n");
 218         window = gtk_dialog_new();
 219         gtk_widget_set_size_request( window, BROWSELDAP_WIDTH, BROWSELDAP_HEIGHT );
 220         gtk_container_set_border_width( GTK_CONTAINER(window), 0 );
 221         gtk_window_set_title( GTK_WINDOW(window), _("Browse Directory Entry") );
 222         gtk_window_set_position( GTK_WINDOW(window), GTK_WIN_POS_MOUSE );
 223         g_signal_connect(G_OBJECT(window), "delete_event",
 224                          G_CALLBACK(browse_delete_event), NULL);
 225         g_signal_connect(G_OBJECT(window), "key_press_event",
 226                          G_CALLBACK(browse_key_pressed), NULL);
 227
 228         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 8);
 229         content_area = gtk_dialog_get_content_area(GTK_DIALOG(window));
 230         gtk_box_pack_start(GTK_BOX(content_area), vbox, TRUE, TRUE, 0);
 231         gtk_container_set_border_width( GTK_CONTAINER(vbox), 8 );
 232
 233         table = gtk_grid_new();
 234         gtk_box_pack_start(GTK_BOX(vbox), table, FALSE, FALSE, 0);
 235         gtk_container_set_border_width( GTK_CONTAINER(table), 8 );
 236         gtk_grid_set_row_spacing(GTK_GRID(table), 8);
 237         gtk_grid_set_column_spacing(GTK_GRID(table), 8);
 238
 239         /* First row */
 240         label = gtk_label_new(_("Server Name:"));
 241         gtk_grid_attach(GTK_GRID(table), label, 0, 0, 1, 1);
 242         gtk_label_set_xalign(GTK_LABEL(label), 1.0);
 243
 244         label_server = gtk_label_new("");
 245         gtk_label_set_xalign(GTK_LABEL(label_server), 0.0);
 246         gtk_grid_attach(GTK_GRID(table), label, 1, 0, 1, 1);
 247         gtk_widget_set_hexpand(label_server, TRUE);
 248         gtk_widget_set_halign(label_server, GTK_ALIGN_FILL);
 249
 250         /* Second row */
 251         label = gtk_label_new(_("Distinguished Name (dn):"));
 252         gtk_label_set_xalign(GTK_LABEL(label), 1.0);
 253         gtk_grid_attach(GTK_GRID(table), label, 0, 1, 1, 1);
 254
 255         label_addr = gtk_label_new("");
 256         gtk_label_set_xalign(GTK_LABEL(label_addr), 0.0);
 257         gtk_grid_attach(GTK_GRID(table), label_addr, 1, 1, 1, 1);
 258         gtk_widget_set_hexpand(label_addr, TRUE);
 259         gtk_widget_set_halign(label_addr, GTK_ALIGN_FILL);
 260
 261         /* Address book/folder tree */
 262         vlbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 8);
 263         gtk_box_pack_start(GTK_BOX(vbox), vlbox, TRUE, TRUE, 0);
 264         gtk_container_set_border_width( GTK_CONTAINER(vlbox), 8 );
 265
 266         tree_win = gtk_scrolled_window_new( NULL, NULL );
 267         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(tree_win),
 268                                         GTK_POLICY_AUTOMATIC,
 269                                         GTK_POLICY_AUTOMATIC );
 270         gtk_box_pack_start( GTK_BOX(vlbox), tree_win, TRUE, TRUE, 0 );
 271
 272         store = gtk_list_store_new(N_COLS,
 273                         G_TYPE_STRING, G_TYPE_STRING,
 274                         -1);
 275
 276         view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
 277         g_object_unref(store);
 278         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(view), TRUE);
 279         gtk_tree_view_set_reorderable(GTK_TREE_VIEW(view), FALSE);
 280         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(view));
 281         gtk_tree_selection_set_mode(sel, GTK_SELECTION_NONE);
 282
 283         rdr = gtk_cell_renderer_text_new();
 284         col = gtk_tree_view_column_new_with_attributes(_("LDAP Name"), rdr,
 285                         "markup", COL_NAME, NULL);
 286         gtk_tree_view_column_set_min_width(col, COL_WIDTH_NAME);
 287         gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
 288
 289         rdr = gtk_cell_renderer_text_new();
 290         col = gtk_tree_view_column_new_with_attributes(_("Attribute Value"), rdr,
 291                         "markup", COL_VALUE, NULL);
 292         gtk_tree_view_column_set_min_width(col, COL_WIDTH_VALUE);
 293         gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
 294
 295         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
 296                         COL_NAME, GTK_SORT_ASCENDING);
 297
 298         gtk_container_add( GTK_CONTAINER(tree_win), view );
 299
 300         /* Button panel */
 301         gtkut_stock_button_set_create(&hbbox, &close_btn, "window-close", _("_Close"),
 302                                       NULL, NULL, NULL, NULL, NULL, NULL);
 303         gtk_box_pack_end(GTK_BOX(vbox), hbbox, FALSE, FALSE, 0);
 304         gtk_container_set_border_width( GTK_CONTAINER(hbbox), 0 );
 305
 306         g_signal_connect(G_OBJECT(close_btn), "clicked",
 307                          G_CALLBACK(browse_close), NULL);
 308         gtk_widget_grab_default(close_btn);
 309
 310         gtk_widget_show_all(vbox);
 311
 312         browseldap_dlg.window        = window;
 313         browseldap_dlg.label_server  = label_server;
 314         browseldap_dlg.label_address = label_addr;
 315         browseldap_dlg.list_view     = view;
 316         browseldap_dlg.close_btn     = close_btn;
 317
 318         gtk_widget_show_all( window );
 319
 320 }
 321
 322 /**
 323  * Idler function. This function is called by the main (UI) thread during UI
 324  * idle time while an address search is in progress. Items from the display
 325  * queue are processed and appended to the address list.
 326  *
 327  * \param data Target data object.
 328  * \return <i>TRUE</i> to ensure that idle event do not get ignored.
 329  */
 330 static gboolean browse_idle( gpointer data ) {
 331         GList *node;
 332         NameValuePair *nvp;
 333         GtkWidget *view = browseldap_dlg.list_view;
 334         GtkListStore *store = GTK_LIST_STORE(
 335                         gtk_tree_view_get_model(GTK_TREE_VIEW(view)));
 336         GtkTreeIter iter;
 337
 338         /* Process all entries in display queue */
 339         pthread_mutex_lock( & _browseMutex_ );
 340         if( _displayQueue_ ) {
 341                 node = _displayQueue_;
 342                 while( node ) {
 343                         /* Add entry into list */
 344                         nvp = ( NameValuePair * ) node->data;
 345                         debug_print("Adding row to list: %s->%s\n",
 346                                                 nvp->name?nvp->name:"null",
 347                                                 nvp->value?nvp->value:"null");
 348                         gtk_list_store_append(store, &iter);
 349                         gtk_list_store_set(store, &iter,
 350                                         COL_NAME, nvp->name,
 351                                         COL_VALUE, nvp->value,
 352                                         -1);
 353
 354                         /* Free up entry */
 355                         ldapqry_free_name_value( nvp );
 356                         node->data = NULL;
 357                         node = g_list_next( node );
 358                 }
 359                 g_list_free( _displayQueue_ );
 360                 _displayQueue_ = NULL;
 361         }
 362         pthread_mutex_unlock( & _browseMutex_ );
 363
 364         if( _searchComplete_ ) {
 365                 /* Remove idler */
 366                 if( _browseIdleID_ != 0 ) {
 367                         g_source_remove( _browseIdleID_ );
 368                         _browseIdleID_ = 0;
 369                 }
 370         }
 371
 372         return TRUE;
 373 }
 374
 375 /**
 376  * Main entry point to browse LDAP entries.
 377  * \param  ds Data source to process.
 378  * \param  dn Distinguished name to retrieve.
 379  * \return <code>TRUE</code>
 380  */
 381 gboolean browseldap_entry( AddressDataSource *ds, const gchar *dn ) {
 382         LdapServer *server;
 383         GtkWidget *view;
 384         GtkListStore *store;
 385
 386         _queryID_ = 0;
 387         _browseIdleID_ = 0;
 388
 389         server = ds->rawDataSource;
 390
 391         if( ! browseldap_dlg.window ) browse_create();
 392         gtk_widget_grab_focus(browseldap_dlg.close_btn);
 393         gtk_widget_show(browseldap_dlg.window);
 394         manage_window_set_transient(GTK_WINDOW(browseldap_dlg.window));
 395         gtk_window_set_modal(GTK_WINDOW(browseldap_dlg.window), TRUE);
 396         gtk_widget_show(browseldap_dlg.window);
 397
 398         gtk_label_set_text( GTK_LABEL(browseldap_dlg.label_address ), "" );
 399         if( dn ) {
 400                 gtk_label_set_text(
 401                         GTK_LABEL(browseldap_dlg.label_address ), dn );
 402         }
 403         gtk_label_set_text(
 404                 GTK_LABEL(browseldap_dlg.label_server ),
 405                 ldapsvr_get_name( server ) );
 406
 407         debug_print("browsing server: %s\n", ldapsvr_get_name(server));
 408         /* Setup search */
 409         _searchComplete_ = FALSE;
 410         _queryID_ = ldaplocate_search_setup(
 411                         server, dn, browse_callback_entry, browse_callback_end );
 412         debug_print("query id: %d\n", _queryID_);
 413         _browseIdleID_ = g_idle_add( (GSourceFunc) browse_idle, NULL );
 414
 415         /* Start search */
 416         debug_print("starting search\n");
 417         ldaplocate_search_start( _queryID_ );
 418
 419         /* Display dialog */
 420         gtk_main();
 421         gtk_widget_hide( browseldap_dlg.window );
 422         gtk_window_set_modal(GTK_WINDOW(browseldap_dlg.window), FALSE);
 423         /* Stop query */
 424         debug_print("stopping search\n");
 425         ldaplocate_search_stop( _queryID_ );
 426
 427         if( _browseIdleID_ != 0 ) {
 428                 g_source_remove( _browseIdleID_ );
 429                 _browseIdleID_ = 0;
 430         }
 431         browse_clear_queue();
 432
 433         view = browseldap_dlg.list_view;
 434         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(view)));
 435         gtk_list_store_clear(store);
 436
 437         return TRUE;
 438 }
 439
 440 #endif /* USE_LDAP */
 441
 442 /*
 443 * End of Source.
 444 */
 445