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 Add a checkbox for a three-right group
 148  * @param table Containing table
 149  * @param rowp Pointer to row number, incremented
 150  * @param title Label for this row
 151  * @param bits Rights bits (not masked or normalized)
 152  * @param mask Mask for this group (must be 7.2^n)
 153  */
 154 static void users_add_right_group(GtkWidget *table,
 155                                   int *rowp,
 156                                   const char *title,
 157                                   rights_type bits,
 158                                   rights_type mask) {
 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   const uint32_t first = mask / 7;
 164   const int bit = leftmost_bit(first);
 165
 166   /* Discard irrelevant bits */
 167   bits &= mask;
 168   /* Shift down to bits 0-2; the mask is always 3 contiguous bits */
 169   bits >>= bit;
 170   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(any), !!(bits & 1));
 171   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(mine), !!(bits & 2));
 172   gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(random), !!(bits & 4));
 173   gtk_box_pack_start(GTK_BOX(hbox), any, FALSE, FALSE, 0);
 174   gtk_box_pack_start(GTK_BOX(hbox), mine, FALSE, FALSE, 0);
 175   gtk_box_pack_start(GTK_BOX(hbox), random, FALSE, FALSE, 0);
 176   users_details_rights[bit] = any;
 177   users_details_rights[bit + 1] = mine;
 178   users_details_rights[bit + 2] = random;
 179   users_detail_generic(table, rowp, title, hbox);
 180 }
 181
 182 /** @brief Create the user details window
 183  * @param title Window title
 184  * @param name User name (users_edit()) or NULL (users_add())
 185  * @param email Email address
 186  * @param rights User rights string
 187  * @param password Password
 188  *
 189  * This is used both by users_add() and users_edit().
 190  *
 191  * The window contains:
 192  * - display or edit fields for the username
 193  * - edit fields for the email address
 194  * - two hidden edit fields for the password (they must match)
 195  * - check boxes for the rights
 196  */
 197 static void users_makedetails(const char *title,
 198                               const char *name,
 199                               const char *email,
 200                               const char *rights,
 201                               const char *password) {
 202   GtkWidget *table;
 203   int row = 0;
 204   rights_type r = 0;
 205
 206   /* Create the window */
 207   users_details_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 208   gtk_widget_set_style(users_details_window, tool_style);
 209   g_signal_connect(users_details_window, "destroy",
 210                    G_CALLBACK(gtk_widget_destroyed), &users_details_window);
 211   gtk_window_set_title(GTK_WINDOW(users_details_window), title);
 212   gtk_window_set_transient_for(GTK_WINDOW(users_details_window),
 213                                GTK_WINDOW(users_window));
 214   table = gtk_table_new(4, 2, FALSE/*!homogeneous*/);
 215
 216   users_details_name = users_add_detail(table, &row, "Username", name,
 217                                         (name ? 0 : DETAIL_EDITABLE)
 218                                         |DETAIL_VISIBLE);
 219
 220   users_details_email = users_add_detail(table, &row, "Email", email,
 221                                          DETAIL_EDITABLE|DETAIL_VISIBLE);
 222
 223   users_details_password = users_add_detail(table, &row, "Password",
 224                                             password,
 225                                             DETAIL_EDITABLE);
 226   users_details_password2 = users_add_detail(table, &row, "Password",
 227                                              password,
 228                                              DETAIL_EDITABLE);
 229
 230   parse_rights(rights, &r, 1);
 231   users_add_right(table, &row, "Read operations", r & RIGHT_READ);
 232   users_add_right(table, &row, "Play track", r & RIGHT_PLAY);
 233   users_add_right_group(table, &row, "Move", r, RIGHT_MOVE__MASK);
 234   users_add_right_group(table, &row, "Remove", r, RIGHT_REMOVE__MASK);
 235   users_add_right_group(table, &row, "Scratch", r, RIGHT_SCRATCH__MASK);
 236   users_add_right(table, &row, "Set volume", r & RIGHT_VOLUME);
 237   users_add_right(table, &row, "Admin operations", r & RIGHT_ADMIN);
 238   users_add_right(table, &row, "Rescan", r & RIGHT_RESCAN);
 239   users_add_right(table, &row, "Register new users", r & RIGHT_REGISTER);
 240   users_add_right(table, &row, "Modify own userinfo", r & RIGHT_USERINFO);
 241   users_add_right(table, &row, "Modify track preferences", r & RIGHT_PREFS);
 242   users_add_right(table, &row, "Modify global preferences", r & RIGHT_GLOBAL_PREFS);
 243   users_add_right(table, &row, "Pause/resume tracks", r & RIGHT_PAUSE);
 244
 245   gtk_container_add(GTK_CONTAINER(users_details_window), table);
 246   gtk_widget_show_all(users_details_window);
 247 }
 248
 249 static void users_add(GtkButton attribute((unused)) *button,
 250                       gpointer attribute((unused)) userdata) {
 251   /* TODO */
 252 }
 253
 254 static void users_deleted_error(struct callbackdata attribute((unused)) *cbd,
 255                                 int attribute((unused)) code,
 256                                 const char *msg) {
 257   popup_msg(GTK_MESSAGE_ERROR, msg);
 258 }
 259
 260 static void users_deleted(void *v) {
 261   const struct callbackdata *const cbd = v;
 262   GtkTreeIter iter;
 263   char *who;
 264
 265   /* Find the user */
 266   if(!gtk_tree_model_get_iter_first(GTK_TREE_MODEL(users_list), &iter))
 267     return;
 268   do {
 269     gtk_tree_model_get(GTK_TREE_MODEL(users_list), &iter,
 270                        0, &who, -1);
 271     if(!strcmp(who, cbd->u.user))
 272       break;
 273     g_free(who);
 274     who = 0;
 275   } while(gtk_tree_model_iter_next(GTK_TREE_MODEL(users_list), &iter));
 276   /* Remove them */
 277   gtk_list_store_remove(users_list, &iter);
 278   g_free(who);
 279 }
 280
 281 static void users_delete(GtkButton attribute((unused)) *button,
 282                          gpointer attribute((unused)) userdata) {
 283   GtkWidget *yesno;
 284   char *who;
 285   int res;
 286   struct callbackdata *cbd;
 287
 288   if(!(who = users_getuser()))
 289     return;
 290   yesno = gtk_message_dialog_new(GTK_WINDOW(users_window),
 291                                  GTK_DIALOG_MODAL,
 292                                  GTK_MESSAGE_QUESTION,
 293                                  GTK_BUTTONS_YES_NO,
 294                                  "Do you really want to delete user %s?"
 295                                  " This action cannot be undone.", who);
 296   res = gtk_dialog_run(GTK_DIALOG(yesno));
 297   gtk_widget_destroy(yesno);
 298   if(res == GTK_RESPONSE_YES) {
 299     cbd = xmalloc(sizeof *cbd);
 300     cbd->onerror = users_deleted_error;
 301     cbd->u.user = who;
 302     disorder_eclient_deluser(client, users_deleted, cbd->u.user, cbd);
 303   }
 304 }
 305
 306 static void users_got_email(void attribute((unused)) *v, const char *value) {
 307   users_email = value;
 308 }
 309
 310 static void users_got_rights(void attribute((unused)) *v, const char *value) {
 311   users_rights = value;
 312 }
 313
 314 static void users_got_password(void attribute((unused)) *v, const char *value) {
 315   users_password = value;
 316   users_makedetails("editing user details",
 317                     users_who,
 318                     users_email,
 319                     users_rights,
 320                     users_password);
 321 }
 322
 323 static void users_edit(GtkButton attribute((unused)) *button,
 324                        gpointer attribute((unused)) userdata) {
 325   if(!(users_who = users_getuser()))
 326     return;
 327   /* Schedule user lookups for all the properties we know about.  This is all a
 328    * bit ad-hoc but will do for now. */
 329   disorder_eclient_userinfo(client, users_got_email, users_who, "email", 0);
 330   disorder_eclient_userinfo(client, users_got_rights, users_who, "rights", 0);
 331   disorder_eclient_userinfo(client, users_got_password, users_who, "password", 0);
 332 }
 333
 334 static const struct button users_buttons[] = {
 335   {
 336     "Add user",
 337     users_add,
 338     "Create a new user"
 339   },
 340   {
 341     "Edit user",
 342     users_edit,
 343     "Edit a user"
 344   },
 345   {
 346     "Delete user",
 347     users_delete,
 348     "Delete a user"
 349   },
 350 };
 351 #define NUSERS_BUTTONS (sizeof users_buttons / sizeof *users_buttons)
 352
 353 void manage_users(void) {
 354   GtkWidget *tree, *buttons, *hbox;
 355   GtkCellRenderer *cr;
 356   GtkTreeViewColumn *col;
 357
 358   /* If the window already exists just raise it */
 359   if(users_window) {
 360     gtk_window_present(GTK_WINDOW(users_window));
 361     return;
 362   }
 363   /* Create the window */
 364   users_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 365   gtk_widget_set_style(users_window, tool_style);
 366   g_signal_connect(users_window, "destroy",
 367                    G_CALLBACK(gtk_widget_destroyed), &users_window);
 368   gtk_window_set_title(GTK_WINDOW(users_window), "User Management");
 369   /* default size is too small */
 370   gtk_window_set_default_size(GTK_WINDOW(users_window), 240, 240);
 371
 372   /* Create the list of users and populate it asynchronously */
 373   users_list = gtk_list_store_new(1, G_TYPE_STRING);
 374   disorder_eclient_users(client, users_got_list, 0);
 375   /* Create the view */
 376   tree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(users_list));
 377   /* ...and the renderers for it */
 378   cr = gtk_cell_renderer_text_new();
 379   col = gtk_tree_view_column_new_with_attributes("Username",
 380                                                  cr,
 381                                                  "text", 0,
 382                                                  NULL);
 383   gtk_tree_view_append_column(GTK_TREE_VIEW(tree), col);
 384   /* Get the selection for the view and set its mode */
 385   users_selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree));
 386   gtk_tree_selection_set_mode(users_selection, GTK_SELECTION_BROWSE);
 387   /* Create the control buttons */
 388   buttons = create_buttons_box(users_buttons,
 389                                NUSERS_BUTTONS,
 390                                gtk_vbox_new(FALSE, 1));
 391   /* Put it all together in an hbox */
 392   hbox = gtk_hbox_new(FALSE, 2);
 393   gtk_box_pack_start(GTK_BOX(hbox), tree, TRUE/*expand*/, TRUE/*fill*/, 0);
 394   gtk_box_pack_start(GTK_BOX(hbox), buttons, FALSE, FALSE, 0);
 395   gtk_container_add(GTK_CONTAINER(users_window), hbox);
 396 }
 397
 398 /*
 399 Local Variables:
 400 c-basic-offset:2
 401 comment-column:40
 402 fill-column:79
 403 indent-tabs-mode:nil
 404 End:
 405 */