citadel/serv_vcard.c

   1 /*
   2  * serv_vcard.c
   3  *
   4  * A server-side module for Citadel which supports address book information
   5  * using the standard vCard format.
   6  *
   7  * $Id$
   8  *
   9  */
  10
  11 #define ADDRESS_BOOK_ROOM       "Global Address Book"
  12
  13 #include "sysdep.h"
  14 #include <stdlib.h>
  15 #include <unistd.h>
  16 #include <stdio.h>
  17 #include <fcntl.h>
  18 #include <signal.h>
  19 #include <pwd.h>
  20 #include <errno.h>
  21 #include <sys/types.h>
  22 #include <sys/time.h>
  23 #include <sys/wait.h>
  24 #include <string.h>
  25 #include <limits.h>
  26 #ifdef HAVE_PTHREAD_H
  27 #include <pthread.h>
  28 #endif
  29 #include "citadel.h"
  30 #include "server.h"
  31 #include <syslog.h>
  32 #include <time.h>
  33 #include "sysdep_decls.h"
  34 #include "citserver.h"
  35 #include "support.h"
  36 #include "config.h"
  37 #include "control.h"
  38 #include "dynloader.h"
  39 #include "room_ops.h"
  40 #include "user_ops.h"
  41 #include "policy.h"
  42 #include "database.h"
  43 #include "msgbase.h"
  44 #include "tools.h"
  45 #include "vcard.h"
  46
  47 struct vcard_internal_info {
  48         long msgnum;
  49 };
  50
  51 /* Message number symbol used internally by these functions */
  52 unsigned long SYM_VCARD;
  53 #define VC ((struct vcard_internal_info *)CtdlGetUserData(SYM_VCARD))
  54
  55
  56 /*
  57  * This handler detects whether the user is attempting to save a new
  58  * vCard as part of his/her personal configuration, and handles the replace
  59  * function accordingly (delete the user's existing vCard in the config room
  60  * and in the global address book).
  61  */
  62 int vcard_upload_beforesave(struct CtdlMessage *msg) {
  63         char *ptr;
  64         int linelen;
  65         char config_rm[ROOMNAMELEN];
  66         char buf[256];
  67
  68
  69         /* If this isn't the configuration room, or if this isn't a MIME
  70          * message, don't bother.
  71          */
  72         if (strcasecmp(msg->cm_fields['O'], CONFIGROOM)) return(0);
  73         if (msg->cm_format_type != 4) return(0);
  74
  75         ptr = msg->cm_fields['M'];
  76         while (ptr != NULL) {
  77
  78                 linelen = strcspn(ptr, "\n");
  79                 if (linelen == 0) return(0);    /* end of headers */
  80
  81                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
  82                         /* Bingo!  The user is uploading a new vCard, so
  83                          * delete the old one.
  84                          */
  85
  86                         /* Delete the user's old vCard.  This would probably
  87                          * get taken care of by the replication check, but we
  88                          * want to make sure there is absolutely only one
  89                          * vCard in the user's config room at all times.
  90                          *
  91                          * FIX ... this needs to be tweaked to allow an admin
  92                          * to make changes to another user's vCard instead of
  93                          * assuming that it's always the user saving his own.
  94                          */
  95                         MailboxName(config_rm, &CC->usersupp, CONFIGROOM);
  96                         CtdlDeleteMessages(config_rm, 0L, "text/x-vcard");
  97
  98                         /* Set the Extended-ID to a standardized one so the
  99                          * replication always works correctly
 100                          */
 101                         if (msg->cm_fields['E'] != NULL)
 102                                 phree(msg->cm_fields['E']);
 103
 104                         sprintf(buf,
 105                                 "Citadel vCard: personal card for %s at %s",
 106                                 msg->cm_fields['A'], NODENAME);
 107                         msg->cm_fields['E'] = strdoop(buf);
 108
 109                         /* Now allow the save to complete. */
 110                         return(0);
 111                 }
 112
 113                 ptr = strchr((char *)ptr, '\n');
 114                 if (ptr != NULL) ++ptr;
 115         }
 116
 117         return(0);
 118 }
 119
 120
 121
 122 /*
 123  * This handler detects whether the user is attempting to save a new
 124  * vCard as part of his/her personal configuration, and handles the replace
 125  * function accordingly (copy the vCard from the config room to the global
 126  * address book).
 127  */
 128 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 129         char *ptr;
 130         int linelen;
 131         long I;
 132
 133
 134         /* If this isn't the configuration room, or if this isn't a MIME
 135          * message, don't bother.
 136          */
 137         if (strcasecmp(msg->cm_fields['O'], CONFIGROOM)) return(0);
 138         if (msg->cm_format_type != 4) return(0);
 139
 140         ptr = msg->cm_fields['M'];
 141         while (ptr != NULL) {
 142
 143                 linelen = strcspn(ptr, "\n");
 144                 if (linelen == 0) return(0);    /* end of headers */
 145
 146                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 147                         /* Bingo!  The user is uploading a new vCard, so
 148                          * copy it to the Global Address Book room.
 149                          */
 150
 151                         I = atol(msg->cm_fields['I']);
 152                         if (I < 0L) return(0);
 153
 154                         CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I,
 155                                 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
 156
 157                         return(0);
 158                 }
 159
 160                 ptr = strchr((char *)ptr, '\n');
 161                 if (ptr != NULL) ++ptr;
 162         }
 163
 164         return(0);
 165 }
 166
 167
 168
 169 /*
 170  * back end function used for callbacks
 171  */
 172 void vcard_gu_backend(long msgnum) {
 173         VC->msgnum = msgnum;
 174 }
 175
 176
 177 /*
 178  * If this user has a vcard on disk, read it into memory, otherwise allocate
 179  * and return an empty vCard.
 180  */
 181 struct vCard *vcard_get_user(struct usersupp *u) {
 182         char hold_rm[ROOMNAMELEN];
 183         char config_rm[ROOMNAMELEN];
 184         struct CtdlMessage *msg;
 185         struct vCard *v;
 186
 187         strcpy(hold_rm, CC->quickroom.QRname);  /* save current room */
 188         MailboxName(config_rm, u, CONFIGROOM);
 189
 190         if (getroom(&CC->quickroom, config_rm) != 0) {
 191                 getroom(&CC->quickroom, hold_rm);
 192                 return vcard_new();
 193         }
 194
 195         /* We want the last (and probably only) vcard in this room */
 196         VC->msgnum = (-1);
 197         CtdlForEachMessage(MSGS_LAST, 1, "text/x-vcard",
 198                 NULL, vcard_gu_backend);
 199         getroom(&CC->quickroom, hold_rm);       /* return to saved room */
 200
 201         if (VC->msgnum < 0L) return vcard_new();
 202
 203         msg = CtdlFetchMessage(VC->msgnum);
 204         if (msg == NULL) return vcard_new();
 205
 206         v = vcard_load(msg->cm_fields['M']);
 207         CtdlFreeMessage(msg);
 208         return v;
 209 }
 210
 211
 212 /*
 213  * Store this user's vCard in the appropriate place
 214  */
 215 /*
 216  * Write our config to disk
 217  */
 218 void vcard_write_user(struct usersupp *u, struct vCard *v) {
 219         char temp[PATH_MAX];
 220         FILE *fp;
 221         char *ser;
 222
 223         strcpy(temp, tmpnam(NULL));
 224         ser = vcard_serialize(v);
 225
 226         fp = fopen(temp, "w");
 227         if (fp == NULL) return;
 228         if (ser == NULL) {
 229                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 230         } else {
 231                 fwrite(ser, strlen(ser), 1, fp);
 232                 phree(ser);
 233         }
 234         fclose(fp);
 235
 236         /* This handy API function does all the work for us.
 237          * NOTE: normally we would want to set that last argument to 1, to
 238          * force the system to delete the user's old vCard.  But it doesn't
 239          * have to, because the vcard_upload_beforesave() hook above
 240          * is going to notice what we're trying to do, and delete the old vCard.
 241          */
 242         CtdlWriteObject(CONFIGROOM,     /* which room */
 243                         "text/x-vcard", /* MIME type */
 244                         temp,           /* temp file */
 245                         u,              /* which user */
 246                         0,              /* not binary */
 247                         0,              /* don't delete others of this type */
 248                         0);             /* no flags */
 249
 250         unlink(temp);
 251 }
 252
 253
 254
 255 /*
 256  * old style "enter registration info" command
 257  */
 258 void cmd_regi(char *argbuf) {
 259         int a,b,c;
 260         char buf[256];
 261         struct vCard *my_vcard;
 262
 263         char tmpaddr[256];
 264         char tmpcity[256];
 265         char tmpstate[256];
 266         char tmpzip[256];
 267         char tmpaddress[512];
 268
 269         if (!(CC->logged_in)) {
 270                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 271                 return;
 272                 }
 273
 274         my_vcard = vcard_get_user(&CC->usersupp);
 275         strcpy(tmpaddr, "");
 276         strcpy(tmpcity, "");
 277         strcpy(tmpstate, "");
 278         strcpy(tmpzip, "");
 279
 280         cprintf("%d Send registration...\n", SEND_LISTING);
 281         a=0;
 282         while (client_gets(buf), strcmp(buf,"000")) {
 283                 if (a==0) vcard_set_prop(my_vcard, "n", buf);
 284                 if (a==1) strcpy(tmpaddr,buf);
 285                 if (a==2) strcpy(tmpcity,buf);
 286                 if (a==3) strcpy(tmpstate,buf);
 287                 if (a==4) {
 288                         for (c=0; c<strlen(buf); ++c) {
 289                                 if ((buf[c]>='0')&&(buf[c]<='9')) {
 290                                         b=strlen(tmpzip);
 291                                         tmpzip[b]=buf[c];
 292                                         tmpzip[b+1]=0;
 293                                         }
 294                                 }
 295                         }
 296                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf);
 297                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf);
 298                 ++a;
 299                 }
 300         sprintf(tmpaddress, ";;%s;%s;%s;%s;USA",
 301                 tmpaddr, tmpcity, tmpstate, tmpzip);
 302         vcard_set_prop(my_vcard, "adr", tmpaddress);
 303         vcard_write_user(&CC->usersupp, my_vcard);
 304         vcard_free(my_vcard);
 305
 306         lgetuser(&CC->usersupp, CC->curr_user);
 307         CC->usersupp.flags=(CC->usersupp.flags|US_REGIS|US_NEEDVALID);
 308         lputuser(&CC->usersupp);
 309
 310         /* set global flag calling for validation */
 311         begin_critical_section(S_CONTROL);
 312         get_control();
 313         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
 314         put_control();
 315         end_critical_section(S_CONTROL);
 316         }
 317
 318
 319
 320 /*
 321  * get registration info for a user
 322  */
 323 void cmd_greg(char *argbuf)
 324 {
 325         struct usersupp usbuf;
 326         struct vCard *v;
 327         char *tel;
 328         char who[256];
 329         char adr[256];
 330         char buf[256];
 331
 332         extract(who, argbuf, 0);
 333
 334         if (!(CC->logged_in)) {
 335                 cprintf("%d Not logged in.\n", ERROR+NOT_LOGGED_IN);
 336                 return;
 337         }
 338
 339         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 340
 341         if ((CC->usersupp.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 342                 cprintf("%d Higher access required.\n",
 343                         ERROR+HIGHER_ACCESS_REQUIRED);
 344                 return;
 345         }
 346
 347         if (getuser(&usbuf, who) != 0) {
 348                 cprintf("%d '%s' not found.\n", ERROR+NO_SUCH_USER, who);
 349                 return;
 350         }
 351
 352         v = vcard_get_user(&usbuf);
 353
 354         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 355         cprintf("%ld\n", usbuf.usernum);
 356         cprintf("%s\n", usbuf.password);
 357         cprintf("%s\n", vcard_get_prop(v, "n", 0));     /* name */
 358
 359         sprintf(adr, "%s", vcard_get_prop(v, "adr", 0));/* address... */
 360
 361         extract_token(buf, adr, 2, ';');
 362         cprintf("%s\n", buf);                           /* street */
 363         extract_token(buf, adr, 3, ';');
 364         cprintf("%s\n", buf);                           /* city */
 365         extract_token(buf, adr, 4, ';');
 366         cprintf("%s\n", buf);                           /* state */
 367         extract_token(buf, adr, 5, ';');
 368         cprintf("%s\n", buf);                           /* zip */
 369
 370         tel = vcard_get_prop(v, "tel;home", 0);
 371         if (tel == NULL) tel = vcard_get_prop(v, "tel", 1);
 372         if (tel != NULL) {
 373                 cprintf("%s\n", tel);
 374                 }
 375         else {
 376                 cprintf(" \n");
 377         }
 378
 379         cprintf("%d\n", usbuf.axlevel);
 380
 381         cprintf("%s\n", vcard_get_prop(v, "email;internet", 0));
 382         cprintf("000\n");
 383         }
 384
 385
 386
 387 void vcard_session_startup_hook(void) {
 388         CtdlAllocUserData(SYM_VCARD, sizeof(struct vcard_internal_info));
 389 }
 390
 391
 392
 393 char *Dynamic_Module_Init(void)
 394 {
 395         SYM_VCARD = CtdlGetDynamicSymbol();
 396         CtdlRegisterSessionHook(vcard_session_startup_hook, EVT_START);
 397         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
 398         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
 399         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
 400         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
 401         create_room(ADDRESS_BOOK_ROOM, 0, "", 0);
 402         return "$Id$";
 403 }