webcit/who.c

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