chiark - git - mdw - disorder/blob - disobedience/users.c

   1 /*
   2  * This file is part of DisOrder
   3  * Copyright (C) 2008 Richard Kettlewell
   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 2 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, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * 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, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  18  * USA
  19  */
  20 /** @file disobedience/users.c
  21  * @brief User management for Disobedience
  22  */
  23
  24 #include "disobedience.h"
  25
  26 static GtkWidget *users_window;
  27 static GtkListStore *users_list;
  28 static GtkTreeSelection *users_selection;
  29
  30 static GtkWidget *users_details_window;
  31 static GtkWidget *users_details_name;
  32 static GtkWidget *users_details_email;
  33 static GtkWidget *users_details_password;
  34 static GtkWidget *users_details_password2;
  35 //static GtkWidget *users_details_rights;
  36
  37 static int usercmp(const void *a, const void *b) {
  38   return strcmp(*(char **)a, *(char **)b);
  39 }
  40
  41 static void users_got_list(void attribute((unused)) *v, int nvec, char **vec) {
  42   int n;
  43   GtkTreeIter iter;
  44
  45   /* Present users in alphabetical order */
  46   qsort(vec, nvec, sizeof (char *), usercmp);
  47   /* Set the list contents */
  48   gtk_list_store_clear(users_list);
  49   for(n = 0; n < nvec; ++n)
  50     gtk_list_store_insert_with_values(users_list, &iter, n/*position*/,
  51                                       0, vec[n], /* column 0 */
  52                                       -1);       /* no more columns */
  53   /* Only show the window when the list is populated */
  54   gtk_widget_show_all(users_window);
  55 }
  56
  57 static char *users_getuser(void) {
  58   GtkTreeIter iter;
  59   char *who, *c;
  60
  61   if(gtk_tree_selection_get_selected(users_selection, 0, &iter)) {
  62     gtk_tree_model_get(GTK_TREE_MODEL(users_list), &iter,
  63                        0, &who, -1);
  64     if(who) {
  65       c = xstrdup(who);
  66       g_free(who);
  67       return c;
  68     }
  69   }
  70   return 0;
  71 }
  72
  73 /** @brief Text should be visible */
  74 #define DETAIL_VISIBLE 1
  75
  76 /** @brief Text should be editable */
  77 #define DETAIL_EDITABLE 2
  78
  79 static GtkWidget *users_detail_generic(GtkWidget *table,
  80                                        int *rowp,
  81                                        const char *title,
  82                                        GtkWidget *selector) {
  83   const int row = (*rowp)++;
  84   GtkWidget *const label = gtk_label_new(title);
  85   gtk_misc_set_alignment(GTK_MISC(label), 1, 0);
  86   gtk_table_attach(GTK_TABLE(table),
  87                    label,
  88                    0, 1,                /* left/right_attach */
  89                    row, row+1,          /* top/bottom_attach */
  90                    GTK_FILL,            /* xoptions */
  91                    0,                   /* yoptions */
  92                    1, 1);               /* x/ypadding */
  93   gtk_table_attach(GTK_TABLE(table),
  94                    selector,
  95                    1, 2,                /* left/right_attach */
  96                    row, row + 1,        /* top/bottom_attach */
  97                    GTK_EXPAND|GTK_FILL, /* xoptions */
  98                    GTK_FILL,            /* yoptions */
  99                    1, 1);               /* x/ypadding */
 100   return selector;
 101 }
 102
 103 /** @brief Add a row to the user details table
 104  * @param table Containin table widget
 105  * @param rowp Pointer to row number, incremented
 106  * @param title Label for this row
 107  * @param value Initial value or NULL
 108  * @param flags Flags word
 109  * @return The text entry widget
 110  */
 111 static GtkWidget *users_add_detail(GtkWidget *table,
 112                                    int *rowp,
 113                                    const char *title,
 114                                    const char *value,
 115                                    unsigned flags) {
 116   GtkWidget *entry = gtk_entry_new();
 117
 118   gtk_entry_set_visibility(GTK_ENTRY(entry),
 119                            !!(flags & DETAIL_VISIBLE));
 120   gtk_editable_set_editable(GTK_EDITABLE(entry),
 121                             !!(flags & DETAIL_EDITABLE));
 122   if(value)
 123     gtk_entry_set_text(GTK_ENTRY(entry), value);
 124   return users_detail_generic(table, rowp, title, entry);
 125 }
 126
 127 /** @brief Add a checkbox for a right
 128  * @param table Containing table
 129  * @param rowp Pointer to row number, incremented
 130  * @param title Label for this row
 131  * @param value Right bit (masked but not necessarily normalized)
 132  * @return Checkbox widget
 133  */
 134 static GtkWidget *users_add_right(GtkWidget *table,
 135                                   int *rowp,
 136                                   const char *title,
 137                                   rights_type value) {
 138   GtkWidget *check = gtk_check_button_new();
 139
 140   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check), !!value);
 141   return users_detail_generic(table, rowp, title, check);
 142 }
 143
 144 /** @brief Add a checkbox for a three-right group
 145  * @param table Containing table
 146  * @param rowp Pointer to row number, incremented
 147  * @param title Label for this row
 148  * @param bits Rights bits (not masked or normalized)
 149  * @param mask Mask for this group (must be 7.2^n)
 150  * @param checks Where to store triple of check widgets
 151  * @return Checkbox widget
 152  */
 153 static void users_add_right_group(GtkWidget *table,
 154                                   int *rowp,
 155                                   const char *title,
 156                                   rights_type bits,
 157                                   rights_type mask,
 158                                   GtkWidget *checks[3]) {
 159   GtkWidget *any = gtk_check_button_new_with_label("Any");
 160   GtkWidget *mine = gtk_check_button_new_with_label("Own");
 161   GtkWidget *random = gtk_check_button_new_with_label("Random");
 162   GtkWidget *hbox = gtk_hbox_new(FALSE, 2);
 163
 164   /* Discard irrelevant bits */
 165   bits &= mask;
 166   /* Shift down to bits 0-2; the mask is always 3 contiguous bits */
 167   bits /= (mask / 7);
 168   /* If _ANY is set then the other two are implied; we'll take them out when we
 169    * set. */
 170   if(bits & 1)
 171     bits = 7;
 172   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(any), !!(bits & 1));
 173   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(mine), !!(bits & 2));
 174   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(random), !!(bits & 4));
 175   gtk_box_pack_start(GTK_BOX(hbox), any, FALSE, FALSE, 0);
 176   gtk_box_pack_start(GTK_BOX(hbox), mine, FALSE, FALSE, 0);
 177   gtk_box_pack_start(GTK_BOX(hbox), random, FALSE, FALSE, 0);
 178   if(checks) {
 179     checks[0] = any;
 180     checks[1] = mine;
 181     checks[2] = random;
 182   }
 183   users_detail_generic(table, rowp, title, hbox);
 184 }
 185
 186
 187 /** @brief Create the user details window
 188  * @param title Window title
 189  * @param name User name (users_edit()) or NULL (users_add())
 190  * @param email Email address
 191  * @param rights User rights string
 192  * @param password Password
 193  *
 194  * This is used both by users_add() and users_edit().
 195  *
 196  * The window contains:
 197  * - display or edit fields for the username
 198  * - edit fields for the email address
 199  * - two hidden edit fields for the password (they must match)
 200  * - check boxes for the rights
 201  */
 202 static void users_makedetails(const char *title,
 203                               const char *name,
 204                               const char *email,
 205                               const char *rights,
 206                               const char *password) {
 207   GtkWidget *table;
 208   int row = 0;
 209   rights_type r = 0;
 210
 211   /* Create the window */
 212   users_details_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 213   gtk_widget_set_style(users_details_window, tool_style);
 214   g_signal_connect(users_details_window, "destroy",
 215                    G_CALLBACK(gtk_widget_destroyed), &users_details_window);
 216   gtk_window_set_title(GTK_WINDOW(users_details_window), title);
 217   gtk_window_set_transient_for(GTK_WINDOW(users_details_window),
 218                                GTK_WINDOW(users_window));
 219   table = gtk_table_new(4, 2, FALSE/*!homogeneous*/);
 220
 221   users_details_name = users_add_detail(table, &row, "Username", name,
 222                                         (name ? 0 : DETAIL_EDITABLE)
 223                                         |DETAIL_VISIBLE);
 224
 225   users_details_email = users_add_detail(table, &row, "Email", email,
 226                                          DETAIL_EDITABLE|DETAIL_VISIBLE);
 227
 228   users_details_password = users_add_detail(table, &row, "Password",
 229                                             password,
 230                                             DETAIL_EDITABLE);
 231   users_details_password2 = users_add_detail(table, &row, "Password",
 232                                              password,
 233                                              DETAIL_EDITABLE);
 234
 235   parse_rights(rights, &r, 1);
 236   users_add_right(table, &row, "Read operations", r & RIGHT_READ);
 237   users_add_right(table, &row, "Play track", r & RIGHT_PLAY);
 238   users_add_right_group(table, &row, "Move", r, RIGHT_MOVE__MASK, NULL);
 239   users_add_right_group(table, &row, "Remove", r, RIGHT_REMOVE__MASK, NULL);
 240   users_add_right_group(table, &row, "Scratch", r, RIGHT_SCRATCH__MASK, NULL);
 241   users_add_right(table, &row, "Set volume", r & RIGHT_VOLUME);
 242   users_add_right(table, &row, "Admin operations", r & RIGHT_ADMIN);
 243   users_add_right(table, &row, "Rescan", r & RIGHT_RESCAN);
 244   users_add_right(table, &row, "Register new users", r & RIGHT_REGISTER);
 245   users_add_right(table, &row, "Modify own userinfo", r & RIGHT_USERINFO);
 246   users_add_right(table, &row, "Modify track preferences", r & RIGHT_PREFS);
 247   users_add_right(table, &row, "Modify global preferences", r & RIGHT_GLOBAL_PREFS);
 248   users_add_right(table, &row, "Pause/resume tracks", r & RIGHT_PAUSE);
 249
 250   gtk_container_add(GTK_CONTAINER(users_details_window), table);
 251   gtk_widget_show_all(users_details_window);
 252 }
 253
 254 static void users_add(GtkButton attribute((unused)) *button,
 255                       gpointer attribute((unused)) userdata) {
 256 }
 257
 258 static void users_deleted_error(struct callbackdata attribute((unused)) *cbd,
 259                                 int attribute((unused)) code,
 260                                 const char *msg) {
 261   popup_msg(GTK_MESSAGE_ERROR, msg);
 262 }
 263
 264 static void users_deleted(void *v) {
 265   const struct callbackdata *const cbd = v;
 266   GtkTreeIter iter;
 267   char *who;
 268
 269   /* Find the user */
 270   if(!gtk_tree_model_get_iter_first(GTK_TREE_MODEL(users_list), &iter))
 271     return;
 272   do {
 273     gtk_tree_model_get(GTK_TREE_MODEL(users_list), &iter,
 274                        0, &who, -1);
 275     if(!strcmp(who, cbd->u.user))
 276       break;
 277     g_free(who);
 278     who = 0;
 279   } while(gtk_tree_model_iter_next(GTK_TREE_MODEL(users_list), &iter));
 280   /* Remove them */
 281   gtk_list_store_remove(users_list, &iter);
 282   g_free(who);
 283 }
 284
 285 static void users_delete(GtkButton attribute((unused)) *button,
 286                          gpointer attribute((unused)) userdata) {
 287   GtkWidget *yesno;
 288   char *who;
 289   int res;
 290   struct callbackdata *cbd;
 291
 292   if(!(who = users_getuser()))
 293     return;
 294   yesno = gtk_message_dialog_new(GTK_WINDOW(users_window),
 295                                  GTK_DIALOG_MODAL,
 296                                  GTK_MESSAGE_QUESTION,
 297                                  GTK_BUTTONS_YES_NO,
 298                                  "Do you really want to delete user %s?"
 299                                  " This action cannot be undone.", who);
 300   res = gtk_dialog_run(GTK_DIALOG(yesno));
 301   gtk_widget_destroy(yesno);
 302   if(res == GTK_RESPONSE_YES) {
 303     cbd = xmalloc(sizeof *cbd);
 304     cbd->onerror = users_deleted_error;
 305     cbd->u.user = who;
 306     disorder_eclient_deluser(client, users_deleted, cbd->u.user, cbd);
 307   }
 308 }
 309
 310 static void users_edit(GtkButton attribute((unused)) *button,
 311                        gpointer attribute((unused)) userdata) {
 312   char *who;
 313
 314   if(!(who = users_getuser()))
 315     return;
 316   users_makedetails("editing user details", who, "foo@bar", "play", "wobble");
 317 }
 318
 319 static const struct button users_buttons[] = {
 320   {
 321     "Add user",
 322     users_add,
 323     "Create a new user"
 324   },
 325   {
 326     "Edit user",
 327     users_edit,
 328     "Edit a user"
 329   },
 330   {
 331     "Delete user",
 332     users_delete,
 333     "Delete a user"
 334   },
 335 };
 336 #define NUSERS_BUTTONS (sizeof users_buttons / sizeof *users_buttons)
 337
 338 void manage_users(void) {
 339   GtkWidget *tree, *buttons, *hbox;
 340   GtkCellRenderer *cr;
 341   GtkTreeViewColumn *col;
 342
 343   /* If the window already exists just raise it */
 344   if(users_window) {
 345     gtk_window_present(GTK_WINDOW(users_window));
 346     return;
 347   }
 348   /* Create the window */
 349   users_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 350   gtk_widget_set_style(users_window, tool_style);
 351   g_signal_connect(users_window, "destroy",
 352                    G_CALLBACK(gtk_widget_destroyed), &users_window);
 353   gtk_window_set_title(GTK_WINDOW(users_window), "User Management");
 354   /* default size is too small */
 355   gtk_window_set_default_size(GTK_WINDOW(users_window), 240, 240);
 356
 357   /* Create the list of users and populate it asynchronously */
 358   users_list = gtk_list_store_new(1, G_TYPE_STRING);
 359   disorder_eclient_users(client, users_got_list, 0);
 360   /* Create the view */
 361   tree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(users_list));
 362   /* ...and the renderers for it */
 363   cr = gtk_cell_renderer_text_new();
 364   col = gtk_tree_view_column_new_with_attributes("Username",
 365                                                  cr,
 366                                                  "text", 0,
 367                                                  NULL);
 368   gtk_tree_view_append_column(GTK_TREE_VIEW(tree), col);
 369   /* Get the selection for the view and set its mode */
 370   users_selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree));
 371   gtk_tree_selection_set_mode(users_selection, GTK_SELECTION_BROWSE);
 372   /* Create the control buttons */
 373   buttons = create_buttons_box(users_buttons,
 374                                NUSERS_BUTTONS,
 375                                gtk_vbox_new(FALSE, 1));
 376   /* Put it all together in an hbox */
 377   hbox = gtk_hbox_new(FALSE, 2);
 378   gtk_box_pack_start(GTK_BOX(hbox), tree, TRUE/*expand*/, TRUE/*fill*/, 0);
 379   gtk_box_pack_start(GTK_BOX(hbox), buttons, FALSE, FALSE, 0);
 380   gtk_container_add(GTK_CONTAINER(users_window), hbox);
 381 }
 382
 383 /*
 384 Local Variables:
 385 c-basic-offset:2
 386 comment-column:40
 387 fill-column:79
 388 indent-tabs-mode:nil
 389 End:
 390 */