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  * back end function used for callbacks
  58  */
  59 void vcard_gm_backend(long msgnum) {
  60         VC->msgnum = msgnum;
  61 }
  62
  63
  64 /*
  65  * This handler detects whether the user is attempting to save a new
  66  * vCard as part of his/her personal configuration, and handles the replace
  67  * function accordingly (delete the user's existing vCard in the config room
  68  * and in the global address book).
  69  */
  70 int vcard_upload_beforesave(struct CtdlMessage *msg) {
  71         char *ptr;
  72         int linelen;
  73         char hold_rm[ROOMNAMELEN];
  74         char config_rm[ROOMNAMELEN];
  75         char buf[256];
  76
  77
  78         /* If this isn't the configuration room, or if this isn't a MIME
  79          * message, don't bother.
  80          */
  81         if (strcasecmp(msg->cm_fields['O'], CONFIGROOM)) return(0);
  82         if (msg->cm_format_type != 4) return(0);
  83
  84         ptr = msg->cm_fields['M'];
  85         while (ptr != NULL) {
  86
  87                 linelen = strcspn(ptr, "\n");
  88                 if (linelen == 0) return(0);    /* end of headers */
  89
  90                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
  91                         /* Bingo!  The user is uploading a new vCard, so
  92                          * delete the old one.
  93                          */
  94
  95                         strcpy(hold_rm, CC->quickroom.QRname);  /* save rm */
  96                         MailboxName(config_rm, &CC->usersupp, CONFIGROOM);
  97
  98                         if (getroom(&CC->quickroom, config_rm) != 0) {
  99                                 getroom(&CC->quickroom, hold_rm);
 100                                 return(1);                      /* abort */
 101                         }
 102                         VC->msgnum = (-1L);
 103                         CtdlForEachMessage(MSGS_ALL, 0,
 104                                 "text/x-vcard", NULL, vcard_gm_backend);
 105
 106                         if (VC->msgnum >= 0) {
 107                                 if (msg->cm_fields['Z'] != NULL)
 108                                         phree(msg->cm_fields['Z']);
 109                                 sprintf(buf, "%ld@%s", VC->msgnum, NODENAME);
 110                                 msg->cm_fields['Z'] = strdoop(buf);
 111                         }
 112
 113                         CtdlDeleteMessages(config_rm, 0L, "text/x-vcard");
 114
 115                         getroom(&CC->quickroom, hold_rm);       /* return rm */
 116                         return(0);
 117                 }
 118
 119                 ptr = strchr((char *)ptr, '\n');
 120                 if (ptr != NULL) ++ptr;
 121         }
 122
 123         return(0);
 124 }
 125
 126
 127
 128 /*
 129  * This handler detects whether the user is attempting to save a new
 130  * vCard as part of his/her personal configuration, and handles the replace
 131  * function accordingly (copy the vCard from the config room to the global
 132  * address book).
 133  */
 134 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 135         char *ptr;
 136         int linelen;
 137         long Z, I;
 138         struct quickroom qrbuf;
 139         char buf[256];
 140
 141
 142         /* If this isn't the configuration room, or if this isn't a MIME
 143          * message, don't bother.
 144          */
 145         if (strcasecmp(msg->cm_fields['O'], CONFIGROOM)) return(0);
 146         if (msg->cm_format_type != 4) return(0);
 147
 148         ptr = msg->cm_fields['M'];
 149         while (ptr != NULL) {
 150
 151                 linelen = strcspn(ptr, "\n");
 152                 if (linelen == 0) return(0);    /* end of headers */
 153
 154                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 155                         /* Bingo!  The user is uploading a new vCard, so
 156                          * copy it to the Global Address Book room.
 157                          */
 158
 159                         I = atol(msg->cm_fields['I']);
 160                         if (I < 0L) return(0);
 161
 162                         Z = (-1L);
 163                         if (msg->cm_fields['Z'] != NULL) {
 164                                 extract_token(buf, msg->cm_fields['Z'], 1, '@');
 165                                 if (!strcasecmp(buf, NODENAME)) {
 166                                         extract_token(buf, msg->cm_fields['Z'],
 167                                                 0, '@');
 168                                         Z = atol(buf);
 169                                 }
 170                         }
 171
 172                         if (getroom(&qrbuf, ADDRESS_BOOK_ROOM) != 0) return(0);
 173                         AddMessageToRoom(&qrbuf, I);
 174                         AdjRefCount(I, +1);
 175
 176                         if (Z > 0L) {
 177                                 CtdlDeleteMessages(ADDRESS_BOOK_ROOM, Z, NULL);
 178                         }
 179
 180                         return(0);
 181                 }
 182
 183                 ptr = strchr((char *)ptr, '\n');
 184                 if (ptr != NULL) ++ptr;
 185         }
 186
 187         return(0);
 188 }
 189
 190
 191
 192 /*
 193  * If this user has a vcard on disk, read it into memory, otherwise allocate
 194  * and return an empty vCard.
 195  */
 196 struct vCard *vcard_get_user(struct usersupp *u) {
 197         char hold_rm[ROOMNAMELEN];
 198         char config_rm[ROOMNAMELEN];
 199         struct CtdlMessage *msg;
 200         struct vCard *v;
 201
 202         strcpy(hold_rm, CC->quickroom.QRname);  /* save current room */
 203         MailboxName(config_rm, u, CONFIGROOM);
 204
 205         if (getroom(&CC->quickroom, config_rm) != 0) {
 206                 getroom(&CC->quickroom, hold_rm);
 207                 return vcard_new();
 208         }
 209
 210         /* We want the last (and probably only) vcard in this room */
 211         VC->msgnum = (-1);
 212         CtdlForEachMessage(MSGS_LAST, 1, "text/x-vcard",
 213                 NULL, vcard_gm_backend);
 214         getroom(&CC->quickroom, hold_rm);       /* return to saved room */
 215
 216         if (VC->msgnum < 0L) return vcard_new();
 217
 218         msg = CtdlFetchMessage(VC->msgnum);
 219         if (msg == NULL) return vcard_new();
 220
 221         v = vcard_load(msg->cm_fields['M']);
 222         CtdlFreeMessage(msg);
 223         return v;
 224 }
 225
 226
 227 /*
 228  * Store this user's vCard in the appropriate place
 229  */
 230 /*
 231  * Write our config to disk
 232  */
 233 void vcard_write_user(struct usersupp *u, struct vCard *v) {
 234         char temp[PATH_MAX];
 235         FILE *fp;
 236         char *ser;
 237
 238         strcpy(temp, tmpnam(NULL));
 239         ser = vcard_serialize(v);
 240
 241         fp = fopen(temp, "w");
 242         if (fp == NULL) return;
 243         fprintf(fp, "Content-type: text/x-vcard\r\n\r\n");
 244         if (ser == NULL) {
 245                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 246         } else {
 247                 fwrite(ser, strlen(ser), 1, fp);
 248                 phree(ser);
 249         }
 250         fclose(fp);
 251
 252         /* This handy API function does all the work for us.
 253          * NOTE: normally we would want to set that last argument to 1, to
 254          * force the system to delete the user's old vCard.  But it doesn't
 255          * have to, because the vcard_upload_beforesave() hook above
 256          * is going to notice what we're trying to do, and delete the old vCard.
 257          */
 258         CtdlWriteObject(CONFIGROOM,     /* which room */
 259                         "text/x-vcard", /* MIME type */
 260                         temp,           /* temp file */
 261                         u,              /* which user */
 262                         0,              /* not binary */
 263                         0,              /* don't delete others of this type */
 264                         0);             /* no flags */
 265
 266         unlink(temp);
 267 }
 268
 269
 270
 271 /*
 272  * old style "enter registration info" command
 273  */
 274 void cmd_regi(char *argbuf) {
 275         int a,b,c;
 276         char buf[256];
 277         struct vCard *my_vcard;
 278
 279         char tmpaddr[256];
 280         char tmpcity[256];
 281         char tmpstate[256];
 282         char tmpzip[256];
 283         char tmpphone[256];
 284         char tmpaddress[512];
 285
 286         if (!(CC->logged_in)) {
 287                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 288                 return;
 289                 }
 290
 291         my_vcard = vcard_get_user(&CC->usersupp);
 292         strcpy(tmpaddr, "");
 293         strcpy(tmpcity, "");
 294         strcpy(tmpstate, "");
 295         strcpy(tmpzip, "");
 296
 297         cprintf("%d Send registration...\n", SEND_LISTING);
 298         a=0;
 299         while (client_gets(buf), strcmp(buf,"000")) {
 300                 if (a==0) vcard_set_prop(my_vcard, "n", buf);
 301                 if (a==1) strcpy(tmpaddr,buf);
 302                 if (a==2) strcpy(tmpcity,buf);
 303                 if (a==3) strcpy(tmpstate,buf);
 304                 if (a==4) {
 305                         for (c=0; c<strlen(buf); ++c) {
 306                                 if ((buf[c]>='0')&&(buf[c]<='9')) {
 307                                         b=strlen(tmpzip);
 308                                         tmpzip[b]=buf[c];
 309                                         tmpzip[b+1]=0;
 310                                         }
 311                                 }
 312                         }
 313                 if (a==5) {
 314                         strcpy(tmpphone, "");
 315                         for (c=0; c<strlen(buf); ++c) {
 316                                 if ((buf[c]>='0')&&(buf[c]<='9')) {
 317                                         b=strlen(tmpphone);
 318                                         tmpphone[b]=buf[c];
 319                                         tmpphone[b+1]=0;
 320                                         }
 321                                 }
 322                         vcard_set_prop(my_vcard, "tel;home", tmpphone);
 323                         }
 324                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf);
 325                 ++a;
 326                 }
 327         sprintf(tmpaddress, ";;%s;%s;%s;%s;USA",
 328                 tmpaddr, tmpcity, tmpstate, tmpzip);
 329         vcard_set_prop(my_vcard, "adr", tmpaddress);
 330         vcard_write_user(&CC->usersupp, my_vcard);
 331         vcard_free(my_vcard);
 332
 333         lgetuser(&CC->usersupp, CC->curr_user);
 334         CC->usersupp.flags=(CC->usersupp.flags|US_REGIS|US_NEEDVALID);
 335         lputuser(&CC->usersupp);
 336
 337         /* set global flag calling for validation */
 338         begin_critical_section(S_CONTROL);
 339         get_control();
 340         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
 341         put_control();
 342         end_critical_section(S_CONTROL);
 343         }
 344
 345
 346
 347 /*
 348  * get registration info for a user
 349  */
 350 void cmd_greg(char *argbuf)
 351 {
 352         struct usersupp usbuf;
 353         struct vCard *v;
 354         char *tel;
 355         char who[256];
 356         char adr[256];
 357         char buf[256];
 358
 359         extract(who, argbuf, 0);
 360
 361         if (!(CC->logged_in)) {
 362                 cprintf("%d Not logged in.\n", ERROR+NOT_LOGGED_IN);
 363                 return;
 364         }
 365
 366         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 367
 368         if ((CC->usersupp.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 369                 cprintf("%d Higher access required.\n",
 370                         ERROR+HIGHER_ACCESS_REQUIRED);
 371                 return;
 372         }
 373
 374         if (getuser(&usbuf, who) != 0) {
 375                 cprintf("%d '%s' not found.\n", ERROR+NO_SUCH_USER, who);
 376                 return;
 377         }
 378
 379         v = vcard_get_user(&usbuf);
 380
 381         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 382         cprintf("%ld\n", usbuf.usernum);
 383         cprintf("%s\n", usbuf.password);
 384         cprintf("%s\n", vcard_get_prop(v, "n", 0));     /* name */
 385
 386         sprintf(adr, "%s", vcard_get_prop(v, "adr", 0));/* address... */
 387
 388         extract_token(buf, adr, 2, ';');
 389         cprintf("%s\n", buf);                           /* street */
 390         extract_token(buf, adr, 3, ';');
 391         cprintf("%s\n", buf);                           /* city */
 392         extract_token(buf, adr, 4, ';');
 393         cprintf("%s\n", buf);                           /* state */
 394         extract_token(buf, adr, 5, ';');
 395         cprintf("%s\n", buf);                           /* zip */
 396
 397         tel = vcard_get_prop(v, "tel;home", 0);
 398         if (tel == NULL) tel = vcard_get_prop(v, "tel", 1);
 399         if (tel != NULL) {
 400                 cprintf("%s\n", tel);
 401                 }
 402         else {
 403                 cprintf(" \n");
 404         }
 405
 406         cprintf("%d\n", usbuf.axlevel);
 407
 408         cprintf("%s\n", vcard_get_prop(v, "email;internet", 0));
 409         cprintf("000\n");
 410         }
 411
 412
 413
 414 void vcard_session_startup_hook(void) {
 415         CtdlAllocUserData(SYM_VCARD, sizeof(struct vcard_internal_info));
 416 }
 417
 418
 419
 420 char *Dynamic_Module_Init(void)
 421 {
 422         SYM_VCARD = CtdlGetDynamicSymbol();
 423         CtdlRegisterSessionHook(vcard_session_startup_hook, EVT_START);
 424         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
 425         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
 426         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
 427         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
 428         create_room(ADDRESS_BOOK_ROOM, 0, "", 0);
 429         return "$Id$";
 430 }