webcit/who.c

   1
   2 #include "webcit.h"
   3
   4 typedef struct UserStateStruct {
   5         StrBuf *UserName;
   6         StrBuf *Room;
   7         StrBuf *Host;
   8         StrBuf *RealRoom;
   9         StrBuf *RealHost;
  10         long LastActive;
  11         int Session;
  12         int Idle;
  13         int IdleSince;
  14         int SessionCount;
  15 } UserStateStruct;
  16
  17 void DestroyUserStruct(void *vUser)
  18 {
  19         UserStateStruct *User = (UserStateStruct*) vUser;
  20         FreeStrBuf(&User->UserName);
  21         FreeStrBuf(&User->Room);
  22         FreeStrBuf(&User->Host);
  23         FreeStrBuf(&User->RealRoom);
  24         FreeStrBuf(&User->RealHost);
  25         free(User);
  26 }
  27
  28 int CompareUserStruct(const void *VUser1, const void *VUser2)
  29 {
  30         const UserStateStruct *User1 = (UserStateStruct*) GetSearchPayload(VUser1);
  31         const UserStateStruct *User2 = (UserStateStruct*) GetSearchPayload(VUser2);
  32
  33         if (User1->Idle != User2->Idle)
  34                 return User1->Idle > User2->Idle;
  35         return strcasecmp(ChrPtr(User1->UserName),
  36                           ChrPtr(User2->UserName));
  37 }
  38
  39
  40 int GetWholistSection(HashList *List, time_t now, StrBuf *Buf)
  41 {
  42         wcsession *WCC = WC;
  43         UserStateStruct *User, *OldUser;
  44         void *VOldUser;
  45         size_t BufLen;
  46         const char *Pos;
  47
  48         serv_puts("RWHO");
  49         StrBuf_ServGetln(Buf);
  50         if (GetServerStatus(Buf, NULL) == 1) {
  51                 while (BufLen = StrBuf_ServGetln(Buf),
  52                        ((BufLen >= 0) &&
  53                         ((BufLen != 3) || strcmp(ChrPtr(Buf), "000"))))
  54                 {
  55                         if (BufLen <= 0)
  56                             continue;
  57                         Pos = NULL;
  58                         User = (UserStateStruct*) malloc(sizeof(UserStateStruct));
  59                         User->Session = StrBufExtractNext_int(Buf, &Pos, '|');
  60
  61                         User->UserName = NewStrBufPlain(NULL, BufLen);
  62                         StrBufExtract_NextToken(User->UserName, Buf, &Pos, '|');
  63
  64                         User->Room = NewStrBufPlain(NULL, BufLen);
  65                         StrBufExtract_NextToken(User->Room, Buf, &Pos, '|');
  66
  67                         User->Host = NewStrBufPlain(NULL, BufLen);
  68                         StrBufExtract_NextToken(User->Host, Buf, &Pos, '|');
  69
  70                         StrBufSkip_NTokenS(Buf, &Pos, '|', 1);
  71
  72                         User->LastActive = StrBufExtractNext_long(Buf, &Pos, '|');
  73                         StrBufSkip_NTokenS(Buf, &Pos, '|', 3);
  74
  75                         User->RealRoom = NewStrBufPlain(NULL, BufLen);
  76                         StrBufExtract_NextToken(User->RealRoom, Buf, &Pos, '|');
  77
  78                         User->RealHost = NewStrBufPlain(NULL, BufLen);
  79                         StrBufExtract_NextToken(User->RealHost, Buf, &Pos, '|');
  80
  81                         User->Idle = (now - User->LastActive) > 900L;
  82                         User->IdleSince = (now - User->LastActive) / 60;
  83                         User->SessionCount = 1;
  84
  85                         if (GetHash(List,
  86                                     ChrPtr(User->UserName),
  87                                     StrLength(User->UserName),
  88                                     &VOldUser)) {
  89                                 OldUser = VOldUser;
  90                                 OldUser->SessionCount++;
  91                                 if (!User->Idle) {
  92                                         if (User->Session == WCC->ctdl_pid)
  93                                                 OldUser->Session = User->Session;
  94
  95                                         OldUser->Idle = User->Idle;
  96                                         OldUser->LastActive = User->LastActive;
  97                                 }
  98                                 DestroyUserStruct(User);
  99                         }
 100                         else
 101                                 Put(List,
 102                                     ChrPtr(User->UserName),
 103                                     StrLength(User->UserName),
 104                                     User, DestroyUserStruct);
 105                 }
 106                 SortByPayload(List, CompareUserStruct);
 107                 return 1;
 108         }
 109         else {
 110                 return 0;
 111         }
 112 }
 113
 114 /*
 115  * end session
 116  */
 117 void terminate_session(void)
 118 {
 119         char buf[SIZ];
 120
 121         serv_printf("TERM %s", bstr("which_session"));
 122         serv_getln(buf, sizeof buf);
 123         url_do_template();
 124 }
 125
 126
 127 /*
 128  * Change your session info (fake roomname and hostname)
 129  */
 130 void edit_me(void)
 131 {
 132         char buf[SIZ];
 133
 134         if (havebstr("change_room_name_button")) {
 135                 serv_printf("RCHG %s", bstr("fake_roomname"));
 136                 serv_getln(buf, sizeof buf);
 137                 http_redirect("who");
 138         } else if (havebstr("change_host_name_button")) {
 139                 serv_printf("HCHG %s", bstr("fake_hostname"));
 140                 serv_getln(buf, sizeof buf);
 141                 http_redirect("who");
 142         } else if (havebstr("change_user_name_button")) {
 143                 serv_printf("UCHG %s", bstr("fake_username"));
 144                 serv_getln(buf, sizeof buf);
 145                 http_redirect("who");
 146         } else if (havebstr("cancel_button")) {
 147                 http_redirect("who");
 148         } else {
 149                 output_headers(1, 1, 0, 0, 0, 0);
 150
 151                 wc_printf("<div id=\"banner\">\n");
 152                 wc_printf("<table class=\"who_banner\"><tr><td>");
 153                 wc_printf("<span class=\"titlebar\">");
 154                 wc_printf(_("Edit your session display"));
 155                 wc_printf("</span></td></tr></table>\n");
 156                 wc_printf("</div>\n<div id=\"content\">\n");
 157
 158                 wc_printf(_("This screen allows you to change the way your "
 159                         "session appears in the 'Who is online' listing. "
 160                         "To turn off any 'fake' name you've previously "
 161                         "set, simply click the appropriate 'change' button "
 162                         "without typing anything in the corresponding box. "));
 163                 wc_printf("<br>\n");
 164
 165                 wc_printf("<form method=\"POST\" action=\"edit_me\">\n");
 166                 wc_printf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
 167
 168                 wc_printf("<table border=0 width=100%%>\n");
 169
 170                 wc_printf("<tr><td><b>");
 171                 wc_printf(_("Room name:"));
 172                 wc_printf("</b></td>\n<td>");
 173                 wc_printf("<input type=\"text\" name=\"fake_roomname\" maxlength=\"64\">\n");
 174                 wc_printf("</td>\n<td align=center>");
 175                 wc_printf("<input type=\"submit\" name=\"change_room_name_button\" value=\"%s\">",
 176                         _("Change room name"));
 177                 wc_printf("</td>\n</tr>\n");
 178
 179                 wc_printf("<tr><td><b>");
 180                 wc_printf(_("Host name:"));
 181                 wc_printf("</b></td><td>");
 182                 wc_printf("<input type=\"text\" name=\"fake_hostname\" maxlength=\"64\">\n");
 183                 wc_printf("</td>\n<td align=center>");
 184                 wc_printf("<input type=\"submit\" name=\"change_host_name_button\" value=\"%s\">",
 185                         _("Change host name"));
 186                 wc_printf("</td>\n</tr>\n");
 187
 188                 if (WC->is_aide) {
 189                         wc_printf("<tr><td><b>");
 190                         wc_printf(_("User name:"));
 191                         wc_printf("</b></td><td>");
 192                         wc_printf("<input type=\"text\" name=\"fake_username\" maxlength=\"64\">\n");
 193                         wc_printf("</td>\n<td align=center>");
 194                         wc_printf("<input type=\"submit\" name \"change_user_name_button\" value=\"%s\">",
 195                                 _("Change user name"));
 196                         wc_printf("</td>\n</tr>\n");
 197                 }
 198                 wc_printf("<tr><td> </td><td> </td><td align=center>");
 199                 wc_printf("<input type=\"submit\" name=\"cancel_button\" value=\"%s\">",
 200                         _("Cancel"));
 201                 wc_printf("</td></tr></table>\n");
 202                 wc_printf("</form></center>\n");
 203                 wDumpContent(1);
 204         }
 205 }
 206
 207 void _terminate_session(void) {
 208         slrp_highest();
 209         terminate_session();
 210 }
 211
 212 HashList *GetWholistHash(StrBuf *Target, WCTemplputParams *TP)
 213
 214 {
 215         StrBuf *Buf;
 216         HashList *List;
 217         time_t now;
 218
 219         Buf = NewStrBuf();
 220
 221         serv_puts("TIME");
 222         StrBuf_ServGetln(Buf);
 223         if (GetServerStatus(Buf, NULL)  == 2) {
 224                 const char *pos = ChrPtr(Buf) + 4;
 225                 now = StrBufExtractNext_long(Buf, &pos, '|');
 226         }
 227         else {
 228                 now = time(NULL);
 229         }
 230
 231         List = NewHash(1, NULL);
 232         GetWholistSection(List, now, Buf);
 233         FreeStrBuf(&Buf);
 234         return List;
 235 }
 236
 237
 238 void DeleteWholistHash(HashList **KillMe)
 239 {
 240         DeleteHash(KillMe);
 241 }
 242
 243 void tmplput_who_username(StrBuf *Target, WCTemplputParams *TP)
 244 {
 245         UserStateStruct *User = (UserStateStruct*) CTX;
 246         StrBufAppendTemplate(Target, TP, User->UserName, 0);
 247 }
 248
 249 void tmplput_who_room(StrBuf *Target, WCTemplputParams *TP)
 250 {
 251         UserStateStruct *User = (UserStateStruct*) CTX;
 252         StrBufAppendTemplate(Target, TP, User->Room, 0);
 253 }
 254
 255 void tmplput_who_host(StrBuf *Target, WCTemplputParams *TP)
 256 {
 257         UserStateStruct *User = (UserStateStruct*) CTX;
 258         StrBufAppendTemplate(Target, TP, User->Host, 0);
 259 }
 260
 261 void tmplput_who_realroom(StrBuf *Target, WCTemplputParams *TP)
 262 {
 263         UserStateStruct *User = (UserStateStruct*) CTX;
 264         StrBufAppendTemplate(Target, TP, User->RealRoom, 0);
 265 }
 266 int conditional_who_realroom(StrBuf *Target, WCTemplputParams *TP)
 267 {
 268         UserStateStruct *User = (UserStateStruct*) CTX;
 269         return StrLength(User->RealRoom) > 0;
 270 }
 271
 272 void tmplput_who_realhost(StrBuf *Target, WCTemplputParams *TP)
 273 {
 274         UserStateStruct *User = (UserStateStruct*) CTX;
 275         StrBufAppendTemplate(Target, TP, User->RealHost, 0);
 276 }
 277 int conditional_who_realhost(StrBuf *Target, WCTemplputParams *TP)
 278 {
 279         UserStateStruct *User = (UserStateStruct*) CTX;
 280         return StrLength(User->RealHost) > 0;
 281 }
 282
 283 void tmplput_who_lastactive(StrBuf *Target, WCTemplputParams *TP)
 284 {
 285         UserStateStruct *User = (UserStateStruct*) CTX;
 286         StrBufAppendPrintf(Target, "%d", User->LastActive);
 287 }
 288
 289 void tmplput_who_idlesince(StrBuf *Target, WCTemplputParams *TP)
 290 {
 291         UserStateStruct *User = (UserStateStruct*) CTX;
 292         StrBufAppendPrintf(Target, "%d", User->IdleSince);
 293 }
 294
 295 void tmplput_who_session(StrBuf *Target, WCTemplputParams *TP)
 296 {
 297         UserStateStruct *User = (UserStateStruct*) CTX;
 298         StrBufAppendPrintf(Target, "%d", User->Session);
 299 }
 300
 301 int conditional_who_idle(StrBuf *Target, WCTemplputParams *TP)
 302 {
 303         UserStateStruct *User = (UserStateStruct*) CTX;
 304         return User->Idle;
 305 }
 306
 307 int conditional_who_nsessions(StrBuf *Target, WCTemplputParams *TP)
 308 {
 309         UserStateStruct *User = (UserStateStruct*) CTX;
 310         return User->SessionCount;
 311 }
 312
 313 void tmplput_who_nsessions(StrBuf *Target, WCTemplputParams *TP)
 314 {
 315         UserStateStruct *User = (UserStateStruct*) CTX;
 316         StrBufAppendPrintf(Target, "%d", User->SessionCount);
 317 }
 318
 319 int conditional_who_isme(StrBuf *Target, WCTemplputParams *TP)
 320 {
 321         UserStateStruct *User = (UserStateStruct*) CTX;
 322         return (User->Session == WC->ctdl_pid);
 323 }
 324
 325 void
 326 InitModule_WHO
 327 (void)
 328 {
 329
 330
 331         WebcitAddUrlHandler(HKEY("terminate_session"), "", 0, _terminate_session, 0);
 332         WebcitAddUrlHandler(HKEY("edit_me"), "", 0, edit_me, 0);
 333
 334         RegisterIterator("WHOLIST", 0, NULL, GetWholistHash, NULL, DeleteWholistHash, CTX_WHO, CTX_NONE, IT_NOFLAG);
 335
 336         RegisterNamespace("WHO:NAME",        0, 1, tmplput_who_username, NULL, CTX_WHO);
 337         RegisterNamespace("WHO:ROOM",        0, 1, tmplput_who_room, NULL, CTX_WHO);
 338         RegisterNamespace("WHO:HOST",        0, 1, tmplput_who_host, NULL, CTX_WHO);
 339         RegisterNamespace("WHO:REALROOM",    0, 1, tmplput_who_realroom, NULL, CTX_WHO);
 340         RegisterNamespace("WHO:REALHOST",    0, 1, tmplput_who_realhost, NULL, CTX_WHO);
 341         RegisterNamespace("WHO:LASTACTIVE",  0, 1, tmplput_who_lastactive, NULL, CTX_WHO);
 342         RegisterNamespace("WHO:IDLESINCE",   0, 1, tmplput_who_idlesince, NULL, CTX_WHO);
 343         RegisterNamespace("WHO:SESSION",     0, 1, tmplput_who_session, NULL, CTX_WHO);
 344         RegisterNamespace("WHO:NSESSIONS",   0, 1, tmplput_who_nsessions, NULL, CTX_WHO);
 345         RegisterNamespace("WHO:NSESSIONS",   0, 1, tmplput_who_nsessions, NULL, CTX_WHO);
 346
 347         RegisterConditional(HKEY("WHO:IDLE"),      1, conditional_who_idle, CTX_WHO);
 348         RegisterConditional(HKEY("WHO:NSESSIONS"), 1, conditional_who_nsessions, CTX_WHO);
 349         RegisterConditional(HKEY("WHO:ISME"),      1, conditional_who_isme, CTX_WHO);
 350         RegisterConditional(HKEY("WHO:REALROOM"),  1, conditional_who_realroom, CTX_WHO);
 351         RegisterConditional(HKEY("WHO:REALHOST"),  1, conditional_who_realhost, CTX_WHO);
 352 }