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 #include "bits.h"
  26
  27 static GtkWidget *users_window;
  28 static GtkListStore *users_list;
  29 static GtkTreeSelection *users_selection;
  30
  31 static GtkWidget *users_details_window;
  32 static GtkWidget *users_details_name;
  33 static GtkWidget *users_details_email;
  34 static GtkWidget *users_details_password;
  35 static GtkWidget *users_details_password2;
  36 static GtkWidget *users_details_rights[32];
  37
  38 static const char *users_who, *users_email, *users_rights, *users_password;
  39
  40 static int usercmp(const void *a, const void *b) {
  41   return strcmp(*(char **)a, *(char **)b);
  42 }
  43
  44 static void users_got_list(void attribute((unused)) *v, int nvec, char **vec) {
  45   int n;
  46   GtkTreeIter iter;
  47
  48   /* Present users in alphabetical order */
  49   qsort(vec, nvec, sizeof (char *), usercmp);
  50   /* Set the list contents */
  51   gtk_list_store_clear(users_list);
  52   for(n = 0; n < nvec; ++n)
  53     gtk_list_store_insert_with_values(users_list, &iter, n/*position*/,
  54                                       0, vec[n], /* column 0 */
  55                                       -1);       /* no more columns */
  56   /* Only show the window when the list is populated */
  57   gtk_widget_show_all(users_window);
  58 }
  59
  60 static char *users_getuser(void) {
  61   GtkTreeIter iter;
  62   char *who, *c;
  63
  64   if(gtk_tree_selection_get_selected(users_selection, 0, &iter)) {
  65     gtk_tree_model_get(GTK_TREE_MODEL(users_list), &iter,
  66                        0, &who, -1);
  67     if(who) {
  68       c = xstrdup(who);
  69       g_free(who);
  70       return c;
  71     }
  72   }
  73   return 0;
  74 }
  75
  76 /** @brief Text should be visible */
  77 #define DETAIL_VISIBLE 1
  78
  79 /** @brief Text should be editable */
  80 #define DETAIL_EDITABLE 2
  81
  82 static GtkWidget *users_detail_generic(GtkWidget *table,
  83                                        int *rowp,
  84                                        const char *title,
  85                                        GtkWidget *selector) {
  86   const int row = (*rowp)++;
  87   GtkWidget *const label = gtk_label_new(title);
  88   gtk_misc_set_alignment(GTK_MISC(label), 1, 0);
  89   gtk_table_attach(GTK_TABLE(table),
  90                    label,
  91                    0, 1,                /* left/right_attach */
  92                    row, row+1,          /* top/bottom_attach */
  93                    GTK_FILL,            /* xoptions */
  94                    0,                   /* yoptions */
  95                    1, 1);               /* x/ypadding */
  96   gtk_table_attach(GTK_TABLE(table),
  97                    selector,
  98                    1, 2,                /* left/right_attach */
  99                    row, row + 1,        /* top/bottom_attach */
 100                    GTK_EXPAND|GTK_FILL, /* xoptions */
 101                    GTK_FILL,            /* yoptions */
 102                    1, 1);               /* x/ypadding */
 103   return selector;
 104 }
 105
 106 /** @brief Add a row to the user details table
 107  * @param table Containin table widget
 108  * @param rowp Pointer to row number, incremented
 109  * @param title Label for this row
 110  * @param value Initial value or NULL
 111  * @param flags Flags word
 112  * @return The text entry widget
 113  */
 114 static GtkWidget *users_add_detail(GtkWidget *table,
 115                                    int *rowp,
 116                                    const char *title,
 117                                    const char *value,
 118                                    unsigned flags) {
 119   GtkWidget *entry = gtk_entry_new();
 120
 121   gtk_entry_set_visibility(GTK_ENTRY(entry),
 122                            !!(flags & DETAIL_VISIBLE));
 123   gtk_editable_set_editable(GTK_EDITABLE(entry),
 124                             !!(flags & DETAIL_EDITABLE));
 125   if(value)
 126     gtk_entry_set_text(GTK_ENTRY(entry), value);
 127   return users_detail_generic(table, rowp, title, entry);
 128 }
 129
 130 /** @brief Add a checkbox for a right
 131  * @param table Containing table
 132  * @param rowp Pointer to row number, incremented
 133  * @param title Label for this row
 134  * @param value Right bit (masked but not necessarily normalized)
 135  */
 136 static void 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   users_details_rights[leftmost_bit(value)] = check;
 144   users_detail_generic(table, rowp, title, check);
 145 }
 146
 147 /** @brief Set sensitivity of particular mine/random rights bits */
 148 static void users_details_sensitize(rights_type r) {
 149   const int bit = leftmost_bit(r);
 150   const GtkWidget *all = users_details_rights[bit];
 151   const int sensitive = !gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(all));
 152
 153   gtk_widget_set_sensitive(users_details_rights[bit + 1], sensitive);
 154   gtk_widget_set_sensitive(users_details_rights[bit + 2], sensitive);
 155 }
 156
 157 /** @brief Set sensitivity of all mine/random rights bits */
 158 static void users_details_sensitize_all(void) {
 159   users_details_sensitize(RIGHT_MOVE_ANY);
 160   users_details_sensitize(RIGHT_REMOVE_ANY);
 161   users_details_sensitize(RIGHT_SCRATCH_ANY);
 162 }
 163
 164 /** @brief Called when an _ALL widget is toggled
 165  *
 166  * Modifies sensitivity of the corresponding _MINE and _RANDOM widgets.  We
 167  * just do the lot rather than trying to figure out which one changed,
 168  */
 169 static void users_any_toggled(GtkToggleButton attribute((unused)) *togglebutton,
 170                               gpointer attribute((unused)) user_data) {
 171   users_details_sensitize_all();
 172 }
 173
 174 /** @brief Add a checkbox for a three-right group
 175  * @param table Containing table
 176  * @param rowp Pointer to row number, incremented
 177  * @param title Label for this row
 178  * @param bits Rights bits (not masked or normalized)
 179  * @param mask Mask for this group (must be 7.2^n)
 180  */
 181 static void users_add_right_group(GtkWidget *table,
 182                                   int *rowp,
 183                                   const char *title,
 184                                   rights_type bits,
 185                                   rights_type mask) {
 186   GtkWidget *any = gtk_check_button_new_with_label("Any");
 187   GtkWidget *mine = gtk_check_button_new_with_label("Own");
 188   GtkWidget *random = gtk_check_button_new_with_label("Random");
 189   GtkWidget *hbox = gtk_hbox_new(FALSE, 2);
 190   const uint32_t first = mask / 7;
 191   const int bit = leftmost_bit(first);
 192
 193   /* Discard irrelevant bits */
 194   bits &= mask;
 195   /* Shift down to bits 0-2; the mask is always 3 contiguous bits */
 196   bits >>= bit;
 197   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(any), !!(bits & 1));
 198   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(mine), !!(bits & 2));
 199   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(random), !!(bits & 4));
 200   gtk_box_pack_start(GTK_BOX(hbox), any, FALSE, FALSE, 0);
 201   gtk_box_pack_start(GTK_BOX(hbox), mine, FALSE, FALSE, 0);
 202   gtk_box_pack_start(GTK_BOX(hbox), random, FALSE, FALSE, 0);
 203   users_details_rights[bit] = any;
 204   users_details_rights[bit + 1] = mine;
 205   users_details_rights[bit + 2] = random;
 206   users_detail_generic(table, rowp, title, hbox);
 207   g_signal_connect(any, "toggled", G_CALLBACK(users_any_toggled), NULL);
 208 }
 209
 210 /** @brief Create the user details window
 211  * @param title Window title
 212  * @param name User name (users_edit()) or NULL (users_add())
 213  * @param email Email address
 214  * @param rights User rights string
 215  * @param password Password
 216  *
 217  * This is used both by users_add() and users_edit().
 218  *
 219  * The window contains:
 220  * - display or edit fields for the username
 221  * - edit fields for the email address
 222  * - two hidden edit fields for the password (they must match)
 223  * - check boxes for the rights
 224  */
 225 static void users_makedetails(const char *title,
 226                               const char *name,
 227                               const char *email,
 228                               const char *rights,
 229                               const char *password) {
 230   GtkWidget *table;
 231   int row = 0;
 232   rights_type r = 0;
 233
 234   /* Create the window */
 235   users_details_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 236   gtk_widget_set_style(users_details_window, tool_style);
 237   g_signal_connect(users_details_window, "destroy",
 238                    G_CALLBACK(gtk_widget_destroyed), &users_details_window);
 239   gtk_window_set_title(GTK_WINDOW(users_details_window), title);
 240   gtk_window_set_transient_for(GTK_WINDOW(users_details_window),
 241                                GTK_WINDOW(users_window));
 242   table = gtk_table_new(4, 2, FALSE/*!homogeneous*/);
 243
 244   users_details_name = users_add_detail(table, &row, "Username", name,
 245                                         (name ? 0 : DETAIL_EDITABLE)
 246                                         |DETAIL_VISIBLE);
 247
 248   users_details_email = users_add_detail(table, &row, "Email", email,
 249                                          DETAIL_EDITABLE|DETAIL_VISIBLE);
 250
 251   users_details_password = users_add_detail(table, &row, "Password",
 252                                             password,
 253                                             DETAIL_EDITABLE);
 254   users_details_password2 = users_add_detail(table, &row, "Password",
 255                                              password,
 256                                              DETAIL_EDITABLE);
 257
 258   parse_rights(rights, &r, 1);
 259   users_add_right(table, &row, "Read operations", r & RIGHT_READ);
 260   users_add_right(table, &row, "Play track", r & RIGHT_PLAY);
 261   users_add_right_group(table, &row, "Move", r, RIGHT_MOVE__MASK);
 262   users_add_right_group(table, &row, "Remove", r, RIGHT_REMOVE__MASK);
 263   users_add_right_group(table, &row, "Scratch", r, RIGHT_SCRATCH__MASK);
 264   users_add_right(table, &row, "Set volume", r & RIGHT_VOLUME);
 265   users_add_right(table, &row, "Admin operations", r & RIGHT_ADMIN);
 266   users_add_right(table, &row, "Rescan", r & RIGHT_RESCAN);
 267   users_add_right(table, &row, "Register new users", r & RIGHT_REGISTER);
 268   users_add_right(table, &row, "Modify own userinfo", r & RIGHT_USERINFO);
 269   users_add_right(table, &row, "Modify track preferences", r & RIGHT_PREFS);
 270   users_add_right(table, &row, "Modify global preferences", r & RIGHT_GLOBAL_PREFS);
 271   users_add_right(table, &row, "Pause/resume tracks", r & RIGHT_PAUSE);
 272   users_details_sensitize_all();
 273
 274   gtk_container_add(GTK_CONTAINER(users_details_window), table);
 275   gtk_widget_show_all(users_details_window);
 276 }
 277
 278 static void users_add(GtkButton attribute((unused)) *button,
 279                       gpointer attribute((unused)) userdata) {
 280   /* TODO */
 281 }
 282
 283 static void users_deleted_error(struct callbackdata attribute((unused)) *cbd,
 284                                 int attribute((unused)) code,
 285                                 const char *msg) {
 286   popup_msg(GTK_MESSAGE_ERROR, msg);
 287 }
 288
 289 static void users_deleted(void *v) {
 290   const struct callbackdata *const cbd = v;
 291   GtkTreeIter iter;
 292   char *who;
 293
 294   /* Find the user */
 295   if(!gtk_tree_model_get_iter_first(GTK_TREE_MODEL(users_list), &iter))
 296     return;
 297   do {
 298     gtk_tree_model_get(GTK_TREE_MODEL(users_list), &iter,
 299                        0, &who, -1);
 300     if(!strcmp(who, cbd->u.user))
 301       break;
 302     g_free(who);
 303     who = 0;
 304   } while(gtk_tree_model_iter_next(GTK_TREE_MODEL(users_list), &iter));
 305   /* Remove them */
 306   gtk_list_store_remove(users_list, &iter);
 307   g_free(who);
 308 }
 309
 310 static void users_delete(GtkButton attribute((unused)) *button,
 311                          gpointer attribute((unused)) userdata) {
 312   GtkWidget *yesno;
 313   char *who;
 314   int res;
 315   struct callbackdata *cbd;
 316
 317   if(!(who = users_getuser()))
 318     return;
 319   yesno = gtk_message_dialog_new(GTK_WINDOW(users_window),
 320                                  GTK_DIALOG_MODAL,
 321                                  GTK_MESSAGE_QUESTION,
 322                                  GTK_BUTTONS_YES_NO,
 323                                  "Do you really want to delete user %s?"
 324                                  " This action cannot be undone.", who);
 325   res = gtk_dialog_run(GTK_DIALOG(yesno));
 326   gtk_widget_destroy(yesno);
 327   if(res == GTK_RESPONSE_YES) {
 328     cbd = xmalloc(sizeof *cbd);
 329     cbd->onerror = users_deleted_error;
 330     cbd->u.user = who;
 331     disorder_eclient_deluser(client, users_deleted, cbd->u.user, cbd);
 332   }
 333 }
 334
 335 static void users_got_email(void attribute((unused)) *v, const char *value) {
 336   users_email = value;
 337 }
 338
 339 static void users_got_rights(void attribute((unused)) *v, const char *value) {
 340   users_rights = value;
 341 }
 342
 343 static void users_got_password(void attribute((unused)) *v, const char *value) {
 344   users_password = value;
 345   users_makedetails("editing user details",
 346                     users_who,
 347                     users_email,
 348                     users_rights,
 349                     users_password);
 350 }
 351
 352 static void users_edit(GtkButton attribute((unused)) *button,
 353                        gpointer attribute((unused)) userdata) {
 354   if(!(users_who = users_getuser()))
 355     return;
 356   /* Schedule user lookups for all the properties we know about.  This is all a
 357    * bit ad-hoc but will do for now. */
 358   disorder_eclient_userinfo(client, users_got_email, users_who, "email", 0);
 359   disorder_eclient_userinfo(client, users_got_rights, users_who, "rights", 0);
 360   disorder_eclient_userinfo(client, users_got_password, users_who, "password", 0);
 361 }
 362
 363 static const struct button users_buttons[] = {
 364   {
 365     "Add user",
 366     users_add,
 367     "Create a new user"
 368   },
 369   {
 370     "Edit user",
 371     users_edit,
 372     "Edit a user"
 373   },
 374   {
 375     "Delete user",
 376     users_delete,
 377     "Delete a user"
 378   },
 379 };
 380 #define NUSERS_BUTTONS (sizeof users_buttons / sizeof *users_buttons)
 381
 382 void manage_users(void) {
 383   GtkWidget *tree, *buttons, *hbox;
 384   GtkCellRenderer *cr;
 385   GtkTreeViewColumn *col;
 386
 387   /* If the window already exists just raise it */
 388   if(users_window) {
 389     gtk_window_present(GTK_WINDOW(users_window));
 390     return;
 391   }
 392   /* Create the window */
 393   users_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 394   gtk_widget_set_style(users_window, tool_style);
 395   g_signal_connect(users_window, "destroy",
 396                    G_CALLBACK(gtk_widget_destroyed), &users_window);
 397   gtk_window_set_title(GTK_WINDOW(users_window), "User Management");
 398   /* default size is too small */
 399   gtk_window_set_default_size(GTK_WINDOW(users_window), 240, 240);
 400
 401   /* Create the list of users and populate it asynchronously */
 402   users_list = gtk_list_store_new(1, G_TYPE_STRING);
 403   disorder_eclient_users(client, users_got_list, 0);
 404   /* Create the view */
 405   tree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(users_list));
 406   /* ...and the renderers for it */
 407   cr = gtk_cell_renderer_text_new();
 408   col = gtk_tree_view_column_new_with_attributes("Username",
 409                                                  cr,
 410                                                  "text", 0,
 411                                                  NULL);
 412   gtk_tree_view_append_column(GTK_TREE_VIEW(tree), col);
 413   /* Get the selection for the view and set its mode */
 414   users_selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree));
 415   gtk_tree_selection_set_mode(users_selection, GTK_SELECTION_BROWSE);
 416   /* Create the control buttons */
 417   buttons = create_buttons_box(users_buttons,
 418                                NUSERS_BUTTONS,
 419                                gtk_vbox_new(FALSE, 1));
 420   /* Put it all together in an hbox */
 421   hbox = gtk_hbox_new(FALSE, 2);
 422   gtk_box_pack_start(GTK_BOX(hbox), tree, TRUE/*expand*/, TRUE/*fill*/, 0);
 423   gtk_box_pack_start(GTK_BOX(hbox), buttons, FALSE, FALSE, 0);
 424   gtk_container_add(GTK_CONTAINER(users_window), hbox);
 425 }
 426
 427 /*
 428 Local Variables:
 429 c-basic-offset:2
 430 comment-column:40
 431 fill-column:79
 432 indent-tabs-mode:nil
 433 End:
 434 */