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 const char *users_who, *users_email, *users_rights, *users_password;
  38
  39 static int usercmp(const void *a, const void *b) {
  40   return strcmp(*(char **)a, *(char **)b);
  41 }
  42
  43 static void users_got_list(void attribute((unused)) *v, int nvec, char **vec) {
  44   int n;
  45   GtkTreeIter iter;
  46
  47   /* Present users in alphabetical order */
  48   qsort(vec, nvec, sizeof (char *), usercmp);
  49   /* Set the list contents */
  50   gtk_list_store_clear(users_list);
  51   for(n = 0; n < nvec; ++n)
  52     gtk_list_store_insert_with_values(users_list, &iter, n/*position*/,
  53                                       0, vec[n], /* column 0 */
  54                                       -1);       /* no more columns */
  55   /* Only show the window when the list is populated */
  56   gtk_widget_show_all(users_window);
  57 }
  58
  59 static char *users_getuser(void) {
  60   GtkTreeIter iter;
  61   char *who, *c;
  62
  63   if(gtk_tree_selection_get_selected(users_selection, 0, &iter)) {
  64     gtk_tree_model_get(GTK_TREE_MODEL(users_list), &iter,
  65                        0, &who, -1);
  66     if(who) {
  67       c = xstrdup(who);
  68       g_free(who);
  69       return c;
  70     }
  71   }
  72   return 0;
  73 }
  74
  75 /** @brief Text should be visible */
  76 #define DETAIL_VISIBLE 1
  77
  78 /** @brief Text should be editable */
  79 #define DETAIL_EDITABLE 2
  80
  81 static GtkWidget *users_detail_generic(GtkWidget *table,
  82                                        int *rowp,
  83                                        const char *title,
  84                                        GtkWidget *selector) {
  85   const int row = (*rowp)++;
  86   GtkWidget *const label = gtk_label_new(title);
  87   gtk_misc_set_alignment(GTK_MISC(label), 1, 0);
  88   gtk_table_attach(GTK_TABLE(table),
  89                    label,
  90                    0, 1,                /* left/right_attach */
  91                    row, row+1,          /* top/bottom_attach */
  92                    GTK_FILL,            /* xoptions */
  93                    0,                   /* yoptions */
  94                    1, 1);               /* x/ypadding */
  95   gtk_table_attach(GTK_TABLE(table),
  96                    selector,
  97                    1, 2,                /* left/right_attach */
  98                    row, row + 1,        /* top/bottom_attach */
  99                    GTK_EXPAND|GTK_FILL, /* xoptions */
 100                    GTK_FILL,            /* yoptions */
 101                    1, 1);               /* x/ypadding */
 102   return selector;
 103 }
 104
 105 /** @brief Add a row to the user details table
 106  * @param table Containin table widget
 107  * @param rowp Pointer to row number, incremented
 108  * @param title Label for this row
 109  * @param value Initial value or NULL
 110  * @param flags Flags word
 111  * @return The text entry widget
 112  */
 113 static GtkWidget *users_add_detail(GtkWidget *table,
 114                                    int *rowp,
 115                                    const char *title,
 116                                    const char *value,
 117                                    unsigned flags) {
 118   GtkWidget *entry = gtk_entry_new();
 119
 120   gtk_entry_set_visibility(GTK_ENTRY(entry),
 121                            !!(flags & DETAIL_VISIBLE));
 122   gtk_editable_set_editable(GTK_EDITABLE(entry),
 123                             !!(flags & DETAIL_EDITABLE));
 124   if(value)
 125     gtk_entry_set_text(GTK_ENTRY(entry), value);
 126   return users_detail_generic(table, rowp, title, entry);
 127 }
 128
 129 /** @brief Add a checkbox for a right
 130  * @param table Containing table
 131  * @param rowp Pointer to row number, incremented
 132  * @param title Label for this row
 133  * @param value Right bit (masked but not necessarily normalized)
 134  * @return Checkbox widget
 135  */
 136 static GtkWidget *users_add_right(GtkWidget *table,
 137                                   int *rowp,
 138                                   const char *title,
 139                                   rights_type value) {
 140   GtkWidget *check = gtk_check_button_new();
 141
 142   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check), !!value);
 143   return users_detail_generic(table, rowp, title, check);
 144 }
 145
 146 /** @brief Add a checkbox for a three-right group
 147  * @param table Containing table
 148  * @param rowp Pointer to row number, incremented
 149  * @param title Label for this row
 150  * @param bits Rights bits (not masked or normalized)
 151  * @param mask Mask for this group (must be 7.2^n)
 152  * @param checks Where to store triple of check widgets
 153  * @return Checkbox widget
 154  */
 155 static void users_add_right_group(GtkWidget *table,
 156                                   int *rowp,
 157                                   const char *title,
 158                                   rights_type bits,
 159                                   rights_type mask,
 160                                   GtkWidget *checks[3]) {
 161   GtkWidget *any = gtk_check_button_new_with_label("Any");
 162   GtkWidget *mine = gtk_check_button_new_with_label("Own");
 163   GtkWidget *random = gtk_check_button_new_with_label("Random");
 164   GtkWidget *hbox = gtk_hbox_new(FALSE, 2);
 165
 166   /* Discard irrelevant bits */
 167   bits &= mask;
 168   /* Shift down to bits 0-2; the mask is always 3 contiguous bits */
 169   bits /= (mask / 7);
 170   /* If _ANY is set then the other two are implied; we'll take them out when we
 171    * set. */
 172   if(bits & 1)
 173     bits = 7;
 174   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(any), !!(bits & 1));
 175   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(mine), !!(bits & 2));
 176   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(random), !!(bits & 4));
 177   gtk_box_pack_start(GTK_BOX(hbox), any, FALSE, FALSE, 0);
 178   gtk_box_pack_start(GTK_BOX(hbox), mine, FALSE, FALSE, 0);
 179   gtk_box_pack_start(GTK_BOX(hbox), random, FALSE, FALSE, 0);
 180   if(checks) {
 181     checks[0] = any;
 182     checks[1] = mine;
 183     checks[2] = random;
 184   }
 185   users_detail_generic(table, rowp, title, hbox);
 186 }
 187
 188 /** @brief Create the user details window
 189  * @param title Window title
 190  * @param name User name (users_edit()) or NULL (users_add())
 191  * @param email Email address
 192  * @param rights User rights string
 193  * @param password Password
 194  *
 195  * This is used both by users_add() and users_edit().
 196  *
 197  * The window contains:
 198  * - display or edit fields for the username
 199  * - edit fields for the email address
 200  * - two hidden edit fields for the password (they must match)
 201  * - check boxes for the rights
 202  */
 203 static void users_makedetails(const char *title,
 204                               const char *name,
 205                               const char *email,
 206                               const char *rights,
 207                               const char *password) {
 208   GtkWidget *table;
 209   int row = 0;
 210   rights_type r = 0;
 211
 212   /* Create the window */
 213   users_details_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 214   gtk_widget_set_style(users_details_window, tool_style);
 215   g_signal_connect(users_details_window, "destroy",
 216                    G_CALLBACK(gtk_widget_destroyed), &users_details_window);
 217   gtk_window_set_title(GTK_WINDOW(users_details_window), title);
 218   gtk_window_set_transient_for(GTK_WINDOW(users_details_window),
 219                                GTK_WINDOW(users_window));
 220   table = gtk_table_new(4, 2, FALSE/*!homogeneous*/);
 221
 222   users_details_name = users_add_detail(table, &row, "Username", name,
 223                                         (name ? 0 : DETAIL_EDITABLE)
 224                                         |DETAIL_VISIBLE);
 225
 226   users_details_email = users_add_detail(table, &row, "Email", email,
 227                                          DETAIL_EDITABLE|DETAIL_VISIBLE);
 228
 229   users_details_password = users_add_detail(table, &row, "Password",
 230                                             password,
 231                                             DETAIL_EDITABLE);
 232   users_details_password2 = users_add_detail(table, &row, "Password",
 233                                              password,
 234                                              DETAIL_EDITABLE);
 235
 236   parse_rights(rights, &r, 1);
 237   users_add_right(table, &row, "Read operations", r & RIGHT_READ);
 238   users_add_right(table, &row, "Play track", r & RIGHT_PLAY);
 239   users_add_right_group(table, &row, "Move", r, RIGHT_MOVE__MASK, NULL);
 240   users_add_right_group(table, &row, "Remove", r, RIGHT_REMOVE__MASK, NULL);
 241   users_add_right_group(table, &row, "Scratch", r, RIGHT_SCRATCH__MASK, NULL);
 242   users_add_right(table, &row, "Set volume", r & RIGHT_VOLUME);
 243   users_add_right(table, &row, "Admin operations", r & RIGHT_ADMIN);
 244   users_add_right(table, &row, "Rescan", r & RIGHT_RESCAN);
 245   users_add_right(table, &row, "Register new users", r & RIGHT_REGISTER);
 246   users_add_right(table, &row, "Modify own userinfo", r & RIGHT_USERINFO);
 247   users_add_right(table, &row, "Modify track preferences", r & RIGHT_PREFS);
 248   users_add_right(table, &row, "Modify global preferences", r & RIGHT_GLOBAL_PREFS);
 249   users_add_right(table, &row, "Pause/resume tracks", r & RIGHT_PAUSE);
 250
 251   gtk_container_add(GTK_CONTAINER(users_details_window), table);
 252   gtk_widget_show_all(users_details_window);
 253 }
 254
 255 static void users_add(GtkButton attribute((unused)) *button,
 256                       gpointer attribute((unused)) userdata) {
 257 }
 258
 259 static void users_deleted_error(struct callbackdata attribute((unused)) *cbd,
 260                                 int attribute((unused)) code,
 261                                 const char *msg) {
 262   popup_msg(GTK_MESSAGE_ERROR, msg);
 263 }
 264
 265 static void users_deleted(void *v) {
 266   const struct callbackdata *const cbd = v;
 267   GtkTreeIter iter;
 268   char *who;
 269
 270   /* Find the user */
 271   if(!gtk_tree_model_get_iter_first(GTK_TREE_MODEL(users_list), &iter))
 272     return;
 273   do {
 274     gtk_tree_model_get(GTK_TREE_MODEL(users_list), &iter,
 275                        0, &who, -1);
 276     if(!strcmp(who, cbd->u.user))
 277       break;
 278     g_free(who);
 279     who = 0;
 280   } while(gtk_tree_model_iter_next(GTK_TREE_MODEL(users_list), &iter));
 281   /* Remove them */
 282   gtk_list_store_remove(users_list, &iter);
 283   g_free(who);
 284 }
 285
 286 static void users_delete(GtkButton attribute((unused)) *button,
 287                          gpointer attribute((unused)) userdata) {
 288   GtkWidget *yesno;
 289   char *who;
 290   int res;
 291   struct callbackdata *cbd;
 292
 293   if(!(who = users_getuser()))
 294     return;
 295   yesno = gtk_message_dialog_new(GTK_WINDOW(users_window),
 296                                  GTK_DIALOG_MODAL,
 297                                  GTK_MESSAGE_QUESTION,
 298                                  GTK_BUTTONS_YES_NO,
 299                                  "Do you really want to delete user %s?"
 300                                  " This action cannot be undone.", who);
 301   res = gtk_dialog_run(GTK_DIALOG(yesno));
 302   gtk_widget_destroy(yesno);
 303   if(res == GTK_RESPONSE_YES) {
 304     cbd = xmalloc(sizeof *cbd);
 305     cbd->onerror = users_deleted_error;
 306     cbd->u.user = who;
 307     disorder_eclient_deluser(client, users_deleted, cbd->u.user, cbd);
 308   }
 309 }
 310
 311 static void users_got_email(void attribute((unused)) *v, const char *value) {
 312   users_email = value;
 313 }
 314
 315 static void users_got_rights(void attribute((unused)) *v, const char *value) {
 316   users_rights = value;
 317 }
 318
 319 static void users_got_password(void attribute((unused)) *v, const char *value) {
 320   users_password = value;
 321   users_makedetails("editing user details",
 322                     users_who,
 323                     users_email,
 324                     users_rights,
 325                     users_password);
 326 }
 327
 328 static void users_edit(GtkButton attribute((unused)) *button,
 329                        gpointer attribute((unused)) userdata) {
 330   if(!(users_who = users_getuser()))
 331     return;
 332   /* Schedule user lookups for all the properties we know about.  This is all a
 333    * bit ad-hoc but will do for now. */
 334   disorder_eclient_userinfo(client, users_got_email, users_who, "email", 0);
 335   disorder_eclient_userinfo(client, users_got_rights, users_who, "rights", 0);
 336   disorder_eclient_userinfo(client, users_got_password, users_who, "password", 0);
 337 }
 338
 339 static const struct button users_buttons[] = {
 340   {
 341     "Add user",
 342     users_add,
 343     "Create a new user"
 344   },
 345   {
 346     "Edit user",
 347     users_edit,
 348     "Edit a user"
 349   },
 350   {
 351     "Delete user",
 352     users_delete,
 353     "Delete a user"
 354   },
 355 };
 356 #define NUSERS_BUTTONS (sizeof users_buttons / sizeof *users_buttons)
 357
 358 void manage_users(void) {
 359   GtkWidget *tree, *buttons, *hbox;
 360   GtkCellRenderer *cr;
 361   GtkTreeViewColumn *col;
 362
 363   /* If the window already exists just raise it */
 364   if(users_window) {
 365     gtk_window_present(GTK_WINDOW(users_window));
 366     return;
 367   }
 368   /* Create the window */
 369   users_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 370   gtk_widget_set_style(users_window, tool_style);
 371   g_signal_connect(users_window, "destroy",
 372                    G_CALLBACK(gtk_widget_destroyed), &users_window);
 373   gtk_window_set_title(GTK_WINDOW(users_window), "User Management");
 374   /* default size is too small */
 375   gtk_window_set_default_size(GTK_WINDOW(users_window), 240, 240);
 376
 377   /* Create the list of users and populate it asynchronously */
 378   users_list = gtk_list_store_new(1, G_TYPE_STRING);
 379   disorder_eclient_users(client, users_got_list, 0);
 380   /* Create the view */
 381   tree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(users_list));
 382   /* ...and the renderers for it */
 383   cr = gtk_cell_renderer_text_new();
 384   col = gtk_tree_view_column_new_with_attributes("Username",
 385                                                  cr,
 386                                                  "text", 0,
 387                                                  NULL);
 388   gtk_tree_view_append_column(GTK_TREE_VIEW(tree), col);
 389   /* Get the selection for the view and set its mode */
 390   users_selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree));
 391   gtk_tree_selection_set_mode(users_selection, GTK_SELECTION_BROWSE);
 392   /* Create the control buttons */
 393   buttons = create_buttons_box(users_buttons,
 394                                NUSERS_BUTTONS,
 395                                gtk_vbox_new(FALSE, 1));
 396   /* Put it all together in an hbox */
 397   hbox = gtk_hbox_new(FALSE, 2);
 398   gtk_box_pack_start(GTK_BOX(hbox), tree, TRUE/*expand*/, TRUE/*fill*/, 0);
 399   gtk_box_pack_start(GTK_BOX(hbox), buttons, FALSE, FALSE, 0);
 400   gtk_container_add(GTK_CONTAINER(users_window), hbox);
 401 }
 402
 403 /*
 404 Local Variables:
 405 c-basic-offset:2
 406 comment-column:40
 407 fill-column:79
 408 indent-tabs-mode:nil
 409 End:
 410 */