citadel/serv_vcard.c

   1 /*
   2  * $Id$
   3  *
   4  * A server-side module for Citadel which supports address book information
   5  * using the standard vCard format.
   6  *
   7  * Copyright (c) 1999-2002 / released under the GNU General Public License
   8  */
   9
  10 /*
  11  * Format of the "Exclusive ID" field of the message containing a user's
  12  * vCard.  Doesn't matter what it really looks like as long as it's both
  13  * unique and consistent (because we use it for replication checking to
  14  * delete the old vCard network-wide when the user enters a new one).
  15  */
  16 #define VCARD_EXT_FORMAT        "Citadel vCard: personal card for %s at %s"
  17
  18
  19 #include "sysdep.h"
  20 #include <stdlib.h>
  21 #include <unistd.h>
  22 #include <stdio.h>
  23 #include <fcntl.h>
  24 #include <signal.h>
  25 #include <pwd.h>
  26 #include <errno.h>
  27 #include <ctype.h>
  28 #include <sys/types.h>
  29
  30 #if TIME_WITH_SYS_TIME
  31 # include <sys/time.h>
  32 # include <time.h>
  33 #else
  34 # if HAVE_SYS_TIME_H
  35 #  include <sys/time.h>
  36 # else
  37 #  include <time.h>
  38 # endif
  39 #endif
  40
  41 #include <sys/wait.h>
  42 #include <string.h>
  43 #include <limits.h>
  44 #include "citadel.h"
  45 #include "server.h"
  46 #include "sysdep_decls.h"
  47 #include "citserver.h"
  48 #include "support.h"
  49 #include "config.h"
  50 #include "control.h"
  51 #include "serv_extensions.h"
  52 #include "room_ops.h"
  53 #include "user_ops.h"
  54 #include "policy.h"
  55 #include "database.h"
  56 #include "msgbase.h"
  57 #include "internet_addressing.h"
  58 #include "tools.h"
  59 #include "vcard.h"
  60 #include "serv_ldap.h"
  61 #include "serv_vcard.h"
  62
  63 /*
  64  * set global flag calling for an aide to validate new users
  65  */
  66 void set_mm_valid(void) {
  67         begin_critical_section(S_CONTROL);
  68         get_control();
  69         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
  70         put_control();
  71         end_critical_section(S_CONTROL);
  72 }
  73
  74
  75
  76 /*
  77  * Extract Internet e-mail addresses from a message containing a vCard, and
  78  * perform a callback for any found.
  79  */
  80 void vcard_extract_internet_addresses(struct CtdlMessage *msg,
  81                                 void (*callback)(char *, char *) ) {
  82         struct vCard *v;
  83         char *s;
  84         char *addr;
  85         char citadel_address[SIZ];
  86         int instance = 0;
  87         int found_something = 0;
  88
  89         if (msg->cm_fields['A'] == NULL) return;
  90         if (msg->cm_fields['N'] == NULL) return;
  91         snprintf(citadel_address, sizeof citadel_address, "%s @ %s",
  92                 msg->cm_fields['A'], msg->cm_fields['N']);
  93
  94         v = vcard_load(msg->cm_fields['M']);
  95         if (v == NULL) return;
  96
  97         /* Go through the vCard searching for *all* instances of
  98          * the "email;internet" key
  99          */
 100         do {
 101                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 102                 if (s != NULL) {
 103                         addr = strdup(s);
 104                         striplt(addr);
 105                         if (strlen(addr) > 0) {
 106                                 if (callback != NULL) {
 107                                         callback(addr, citadel_address);
 108                                 }
 109                         }
 110                         free(addr);
 111                         found_something = 1;
 112                 }
 113                 else {
 114                         found_something = 0;
 115                 }
 116         } while(found_something);
 117
 118         vcard_free(v);
 119 }
 120
 121
 122
 123 /*
 124  * Callback for vcard_add_to_directory()
 125  * (Lotsa ugly nested callbacks.  Oh well.)
 126  */
 127 void vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
 128         char buf[SIZ];
 129
 130         /* We have to validate that we're not stepping on someone else's
 131          * email address ... but only if we're logged in.  Otherwise it's
 132          * probably just the networker or something.
 133          */
 134         if (CC->logged_in) {
 135                 lprintf(CTDL_DEBUG, "Checking for <%s>...\n", internet_addr);
 136                 if (CtdlDirectoryLookup(buf, internet_addr, sizeof buf) == 0) {
 137                         if (strcasecmp(buf, citadel_addr)) {
 138                                 /* This address belongs to someone else.
 139                                  * Bail out silently without saving.
 140                                  */
 141                                 lprintf(CTDL_DEBUG, "DOOP!\n");
 142                                 return;
 143                         }
 144                 }
 145         }
 146         lprintf(CTDL_INFO, "Adding %s (%s) to directory\n",
 147                         citadel_addr, internet_addr);
 148         CtdlDirectoryAddUser(internet_addr, citadel_addr);
 149 }
 150
 151
 152 /*
 153  * Back end function for cmd_igab()
 154  */
 155 void vcard_add_to_directory(long msgnum, void *data) {
 156         struct CtdlMessage *msg;
 157
 158         msg = CtdlFetchMessage(msgnum, 1);
 159         if (msg != NULL) {
 160                 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
 161         }
 162
 163 #ifdef HAVE_LDAP
 164         ctdl_vcard_to_ldap(msg, V2L_WRITE);
 165 #endif
 166
 167         CtdlFreeMessage(msg);
 168 }
 169
 170
 171 /*
 172  * Initialize Global Adress Book
 173  */
 174 void cmd_igab(char *argbuf) {
 175         char hold_rm[ROOMNAMELEN];
 176
 177         if (CtdlAccessCheck(ac_aide)) return;
 178
 179         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 180
 181         if (getroom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
 182                 getroom(&CC->room, hold_rm);
 183                 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
 184                 return;
 185         }
 186
 187         /* Empty the existing database first.
 188          */
 189         CtdlDirectoryInit();
 190
 191         /* We want *all* vCards in this room */
 192         CtdlForEachMessage(MSGS_ALL, 0, "text/x-vcard",
 193                 NULL, vcard_add_to_directory, NULL);
 194
 195         getroom(&CC->room, hold_rm);    /* return to saved room */
 196         cprintf("%d Directory has been rebuilt.\n", CIT_OK);
 197 }
 198
 199
 200
 201
 202 /*
 203  * See if there is a valid Internet address in a vCard to use for outbound
 204  * Internet messages.  If there is, stick it in the buffer.
 205  */
 206 void extract_primary_inet_email(char *emailaddrbuf, size_t emailaddrbuf_len, struct vCard *v) {
 207         char *s, *addr;
 208         int continue_searching = 1;
 209         int instance = 0;
 210
 211         /* Go through the vCard searching for *all* instances of
 212          * the "email;internet" key
 213          */
 214         do {
 215                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 216                 if (s != NULL) {
 217                         continue_searching = 1;
 218                         addr = strdup(s);
 219                         striplt(addr);
 220                         if (strlen(addr) > 0) {
 221                                 if (IsDirectory(addr)) {
 222                                         continue_searching = 0;
 223                                         safestrncpy(emailaddrbuf, addr,
 224                                                 emailaddrbuf_len);
 225                                 }
 226                         }
 227                         free(addr);
 228                 }
 229                 else {
 230                         continue_searching = 0;
 231                 }
 232         } while(continue_searching);
 233 }
 234
 235
 236
 237 /*
 238  * This handler detects whether the user is attempting to save a new
 239  * vCard as part of his/her personal configuration, and handles the replace
 240  * function accordingly (delete the user's existing vCard in the config room
 241  * and in the global address book).
 242  */
 243 int vcard_upload_beforesave(struct CtdlMessage *msg) {
 244         char *ptr;
 245         char *s;
 246         int linelen;
 247         char buf[SIZ];
 248         struct ctdluser usbuf;
 249         long what_user;
 250         struct vCard *v = NULL;
 251         char *ser = NULL;
 252         int i = 0;
 253         int yes_my_citadel_config = 0;
 254         int yes_any_vcard_room = 0;
 255
 256         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 257
 258         /* Is this some user's "My Citadel Config" room? */
 259         if ( (CC->room.QRflags && QR_MAILBOX)
 260            && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 261                 /* Yes, we want to do this */
 262                 yes_my_citadel_config = 1;
 263         }
 264
 265         /* Is this a room with an address book in it? */
 266         if (CC->curr_view == VIEW_ADDRESSBOOK) {
 267                 yes_any_vcard_room = 1;
 268         }
 269
 270         /* If neither condition exists, don't run this hook. */
 271         if ( (!yes_my_citadel_config) && (!yes_any_vcard_room) ) {
 272                 return(0);
 273         }
 274
 275         /* If this isn't a MIME message, don't bother. */
 276         if (msg->cm_format_type != 4) return(0);
 277
 278         /* Ok, if we got this far, look into the situation further... */
 279
 280         ptr = msg->cm_fields['M'];
 281         if (ptr == NULL) return(0);
 282         while (ptr != NULL) {
 283
 284                 linelen = strcspn(ptr, "\n");
 285                 if (linelen == 0) return(0);    /* end of headers */
 286
 287                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 288
 289
 290                         if (yes_my_citadel_config) {
 291                                 /* Bingo!  The user is uploading a new vCard, so
 292                                  * delete the old one.  First, figure out which user
 293                                  * is being re-registered...
 294                                  */
 295                                 what_user = atol(CC->room.QRname);
 296
 297                                 if (what_user == CC->user.usernum) {
 298                                         /* It's the logged in user.  That was easy. */
 299                                         memcpy(&usbuf, &CC->user,
 300                                                 sizeof(struct ctdluser) );
 301                                 }
 302
 303                                 else if (getuserbynumber(&usbuf, what_user) == 0) {
 304                                         /* We fetched a valid user record */
 305                                 }
 306
 307                                 else {
 308                                         /* No user with that number! */
 309                                         return(0);
 310                                 }
 311
 312                                 /* Delete the user's old vCard.  This would probably
 313                                  * get taken care of by the replication check, but we
 314                                  * want to make sure there is absolutely only one
 315                                  * vCard in the user's config room at all times.
 316                                  */
 317                                 CtdlDeleteMessages(CC->room.QRname,
 318                                                 0L, "text/x-vcard", 1);
 319
 320                                 /* Make the author of the message the name of the user.
 321                                  */
 322                                 if (msg->cm_fields['A'] != NULL) {
 323                                         free(msg->cm_fields['A']);
 324                                 }
 325                                 msg->cm_fields['A'] = strdup(usbuf.fullname);
 326                         }
 327
 328                         /* Manipulate the vCard data structure */
 329                         v = vcard_load(msg->cm_fields['M']);
 330                         if (v != NULL) {
 331
 332                                 /* Insert or replace RFC2739-compliant free/busy URL */
 333                                 if (yes_my_citadel_config) {
 334                                         sprintf(buf, "http://%s/%s.vfb",
 335                                                 config.c_fqdn,
 336                                                 usbuf.fullname);
 337                                         for (i=0; i<strlen(buf); ++i) {
 338                                                 if (buf[i] == ' ') buf[i] = '_';
 339                                         }
 340                                         vcard_set_prop(v, "FBURL;PREF", buf, 0);
 341                                 }
 342
 343                                 /* If this is an address book room, and the vCard has
 344                                  * no UID, then give it one.
 345                                  */
 346                                 if (yes_any_vcard_room) {
 347                                         s = vcard_get_prop(v, "UID", 0, 0, 0);
 348                                         if (s == NULL) {
 349                                                 generate_uuid(buf);
 350                                                 vcard_set_prop(v, "UID", buf, 0);
 351                                         }
 352                                 }
 353
 354                                 /* Enforce local UID policy if applicable */
 355                                 if (yes_my_citadel_config) {
 356                                         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 357                                                 msg->cm_fields['A'], NODENAME);
 358                                         vcard_set_prop(v, "UID", buf, 0);
 359                                 }
 360
 361                                 /*
 362                                  * Set the EUID of the message to the UID of the vCard.
 363                                  */
 364                                 if (msg->cm_fields['E'] != NULL) free(msg->cm_fields['E']);
 365                                 s = vcard_get_prop(v, "UID", 0, 0, 0);
 366                                 if (s != NULL) {
 367                                         msg->cm_fields['E'] = strdup(s);
 368                                         if (msg->cm_fields['U'] == NULL) {
 369                                                 msg->cm_fields['U'] = strdup(s);
 370                                         }
 371                                 }
 372
 373                                 /*
 374                                  * Set the Subject to the name in the vCard.
 375                                  */
 376                                 s = vcard_get_prop(v, "FN", 0, 0, 0);
 377                                 if (s == NULL) {
 378                                         s = vcard_get_prop(v, "N", 0, 0, 0);
 379                                 }
 380                                 if (s != NULL) {
 381                                         if (msg->cm_fields['U'] != NULL) {
 382                                                 free(msg->cm_fields['U']);
 383                                         }
 384                                         msg->cm_fields['U'] = strdup(s);
 385                                 }
 386
 387                                 /* Re-serialize it back into the msg body */
 388                                 ser = vcard_serialize(v);
 389                                 if (ser != NULL) {
 390                                         msg->cm_fields['M'] = realloc(
 391                                                 msg->cm_fields['M'],
 392                                                 strlen(ser) + 1024
 393                                         );
 394                                         sprintf(msg->cm_fields['M'],
 395                                                 "Content-type: text/x-vcard"
 396                                                 "\r\n\r\n%s\r\n", ser);
 397                                         free(ser);
 398                                 }
 399                                 vcard_free(v);
 400                         }
 401
 402                         /* Now allow the save to complete. */
 403                         return(0);
 404                 }
 405
 406                 ptr = strchr((char *)ptr, '\n');
 407                 if (ptr != NULL) ++ptr;
 408         }
 409
 410         return(0);
 411 }
 412
 413
 414
 415 /*
 416  * This handler detects whether the user is attempting to save a new
 417  * vCard as part of his/her personal configuration, and handles the replace
 418  * function accordingly (copy the vCard from the config room to the global
 419  * address book).
 420  */
 421 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 422         char *ptr;
 423         int linelen;
 424         long I;
 425         struct vCard *v;
 426
 427         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 428
 429         /* If this isn't the configuration room, or if this isn't a MIME
 430          * message, don't bother.
 431          */
 432         if (msg->cm_fields['O'] == NULL) return(0);
 433         if (strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) return(0);
 434         if (msg->cm_format_type != 4) return(0);
 435
 436         ptr = msg->cm_fields['M'];
 437         if (ptr == NULL) return(0);
 438         while (ptr != NULL) {
 439
 440                 linelen = strcspn(ptr, "\n");
 441                 if (linelen == 0) return(0);    /* end of headers */
 442
 443                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 444                         /* Bingo!  The user is uploading a new vCard, so
 445                          * copy it to the Global Address Book room.
 446                          */
 447
 448                         I = atol(msg->cm_fields['I']);
 449                         if (I < 0L) return(0);
 450
 451                         /* Store our Internet return address in memory */
 452                         v = vcard_load(msg->cm_fields['M']);
 453                         extract_primary_inet_email(CC->cs_inet_email,
 454                                                 sizeof CC->cs_inet_email, v);
 455                         vcard_free(v);
 456
 457                         /* Put it in the Global Address Book room... */
 458                         CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I, 1, msg);
 459
 460                         /* ...and also in the directory database. */
 461                         vcard_add_to_directory(I, NULL);
 462
 463                         /* Some sites want an Aide to be notified when a
 464                          * user registers or re-registers...
 465                          */
 466                         set_mm_valid();
 467
 468                         /* ...which also means we need to flag the user */
 469                         lgetuser(&CC->user, CC->curr_user);
 470                         CC->user.flags |= (US_REGIS|US_NEEDVALID);
 471                         lputuser(&CC->user);
 472
 473                         return(0);
 474                 }
 475
 476                 ptr = strchr((char *)ptr, '\n');
 477                 if (ptr != NULL) ++ptr;
 478         }
 479
 480         return(0);
 481 }
 482
 483
 484
 485 /*
 486  * back end function used for callbacks
 487  */
 488 void vcard_gu_backend(long supplied_msgnum, void *userdata) {
 489         long *msgnum;
 490
 491         msgnum = (long *) userdata;
 492         *msgnum = supplied_msgnum;
 493 }
 494
 495
 496 /*
 497  * If this user has a vcard on disk, read it into memory, otherwise allocate
 498  * and return an empty vCard.
 499  */
 500 struct vCard *vcard_get_user(struct ctdluser *u) {
 501         char hold_rm[ROOMNAMELEN];
 502         char config_rm[ROOMNAMELEN];
 503         struct CtdlMessage *msg;
 504         struct vCard *v;
 505         long VCmsgnum;
 506
 507         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 508         MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
 509
 510         if (getroom(&CC->room, config_rm) != 0) {
 511                 getroom(&CC->room, hold_rm);
 512                 return vcard_new();
 513         }
 514
 515         /* We want the last (and probably only) vcard in this room */
 516         VCmsgnum = (-1);
 517         CtdlForEachMessage(MSGS_LAST, 1, "text/x-vcard",
 518                 NULL, vcard_gu_backend, (void *)&VCmsgnum );
 519         getroom(&CC->room, hold_rm);    /* return to saved room */
 520
 521         if (VCmsgnum < 0L) return vcard_new();
 522
 523         msg = CtdlFetchMessage(VCmsgnum, 1);
 524         if (msg == NULL) return vcard_new();
 525
 526         v = vcard_load(msg->cm_fields['M']);
 527         CtdlFreeMessage(msg);
 528         return v;
 529 }
 530
 531
 532 /*
 533  * Store this user's vCard in the appropriate place
 534  */
 535 /*
 536  * Write our config to disk
 537  */
 538 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
 539         char temp[PATH_MAX];
 540         FILE *fp;
 541         char *ser;
 542
 543         CtdlMakeTempFileName(temp, sizeof temp);
 544         ser = vcard_serialize(v);
 545
 546         fp = fopen(temp, "w");
 547         if (fp == NULL) return;
 548         if (ser == NULL) {
 549                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 550         } else {
 551                 fwrite(ser, strlen(ser), 1, fp);
 552                 free(ser);
 553         }
 554         fclose(fp);
 555
 556         /* This handy API function does all the work for us.
 557          * NOTE: normally we would want to set that last argument to 1, to
 558          * force the system to delete the user's old vCard.  But it doesn't
 559          * have to, because the vcard_upload_beforesave() hook above
 560          * is going to notice what we're trying to do, and delete the old vCard.
 561          */
 562         CtdlWriteObject(USERCONFIGROOM, /* which room */
 563                         "text/x-vcard", /* MIME type */
 564                         temp,           /* temp file */
 565                         u,              /* which user */
 566                         0,              /* not binary */
 567                         0,              /* don't delete others of this type */
 568                         0);             /* no flags */
 569
 570         unlink(temp);
 571 }
 572
 573
 574
 575 /*
 576  * Old style "enter registration info" command.  This function simply honors
 577  * the REGI protocol command, translates the entered parameters into a vCard,
 578  * and enters the vCard into the user's configuration.
 579  */
 580 void cmd_regi(char *argbuf) {
 581         int a,b,c;
 582         char buf[SIZ];
 583         struct vCard *my_vcard;
 584
 585         char tmpaddr[SIZ];
 586         char tmpcity[SIZ];
 587         char tmpstate[SIZ];
 588         char tmpzip[SIZ];
 589         char tmpaddress[SIZ];
 590         char tmpcountry[SIZ];
 591
 592         unbuffer_output();
 593
 594         if (!(CC->logged_in)) {
 595                 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
 596                 return;
 597         }
 598
 599         my_vcard = vcard_get_user(&CC->user);
 600         strcpy(tmpaddr, "");
 601         strcpy(tmpcity, "");
 602         strcpy(tmpstate, "");
 603         strcpy(tmpzip, "");
 604         strcpy(tmpcountry, "USA");
 605
 606         cprintf("%d Send registration...\n", SEND_LISTING);
 607         a=0;
 608         while (client_getln(buf, sizeof buf), strcmp(buf,"000")) {
 609                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 610                 if (a==1) strcpy(tmpaddr, buf);
 611                 if (a==2) strcpy(tmpcity, buf);
 612                 if (a==3) strcpy(tmpstate, buf);
 613                 if (a==4) {
 614                         for (c=0; c<strlen(buf); ++c) {
 615                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 616                                         b = strlen(tmpzip);
 617                                         tmpzip[b] = buf[c];
 618                                         tmpzip[b+1] = 0;
 619                                 }
 620                         }
 621                 }
 622                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
 623                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 624                 if (a==7) strcpy(tmpcountry, buf);
 625                 ++a;
 626         }
 627
 628         snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
 629                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 630         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 631         vcard_write_user(&CC->user, my_vcard);
 632         vcard_free(my_vcard);
 633 }
 634
 635
 636 /*
 637  * Protocol command to fetch registration info for a user
 638  */
 639 void cmd_greg(char *argbuf)
 640 {
 641         struct ctdluser usbuf;
 642         struct vCard *v;
 643         char *s;
 644         char who[USERNAME_SIZE];
 645         char adr[256];
 646         char buf[256];
 647
 648         extract_token(who, argbuf, 0, '|', sizeof who);
 649
 650         if (!(CC->logged_in)) {
 651                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
 652                 return;
 653         }
 654
 655         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 656
 657         if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 658                 cprintf("%d Higher access required.\n",
 659                         ERROR + HIGHER_ACCESS_REQUIRED);
 660                 return;
 661         }
 662
 663         if (getuser(&usbuf, who) != 0) {
 664                 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
 665                 return;
 666         }
 667
 668         v = vcard_get_user(&usbuf);
 669
 670         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 671         cprintf("%ld\n", usbuf.usernum);
 672         cprintf("%s\n", usbuf.password);
 673         s = vcard_get_prop(v, "n", 0, 0, 0);
 674         cprintf("%s\n", s ? s : " ");   /* name */
 675
 676         s = vcard_get_prop(v, "adr", 0, 0, 0);
 677         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 678
 679         extract_token(buf, adr, 2, ';', sizeof buf);
 680         cprintf("%s\n", buf);                           /* street */
 681         extract_token(buf, adr, 3, ';', sizeof buf);
 682         cprintf("%s\n", buf);                           /* city */
 683         extract_token(buf, adr, 4, ';', sizeof buf);
 684         cprintf("%s\n", buf);                           /* state */
 685         extract_token(buf, adr, 5, ';', sizeof buf);
 686         cprintf("%s\n", buf);                           /* zip */
 687
 688         s = vcard_get_prop(v, "tel;home", 0, 0, 0);
 689         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
 690         if (s != NULL) {
 691                 cprintf("%s\n", s);
 692         }
 693         else {
 694                 cprintf(" \n");
 695         }
 696
 697         cprintf("%d\n", usbuf.axlevel);
 698
 699         s = vcard_get_prop(v, "email;internet", 0, 0, 0);
 700         cprintf("%s\n", s ? s : " ");
 701         s = vcard_get_prop(v, "adr", 0, 0, 0);
 702         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 703
 704         extract_token(buf, adr, 6, ';', sizeof buf);
 705         cprintf("%s\n", buf);                           /* country */
 706         cprintf("000\n");
 707 }
 708
 709
 710
 711 /*
 712  * When a user is being created, create his/her vCard.
 713  */
 714 void vcard_newuser(struct ctdluser *usbuf) {
 715         char vname[256];
 716         char buf[256];
 717         int i;
 718         struct vCard *v;
 719
 720         vcard_fn_to_n(vname, usbuf->fullname, sizeof vname);
 721         lprintf(CTDL_DEBUG, "Converted <%s> to <%s>\n", usbuf->fullname, vname);
 722
 723         /* Create and save the vCard */
 724         v = vcard_new();
 725         if (v == NULL) return;
 726         sprintf(buf, "%s@%s", usbuf->fullname, config.c_fqdn);
 727         for (i=0; i<strlen(buf); ++i) {
 728                 if (buf[i] == ' ') buf[i] = '_';
 729         }
 730         vcard_add_prop(v, "fn", usbuf->fullname);
 731         vcard_add_prop(v, "n", vname);
 732         vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
 733         vcard_add_prop(v, "email;internet", buf);
 734         vcard_write_user(usbuf, v);
 735         vcard_free(v);
 736 }
 737
 738
 739 /*
 740  * When a user is being deleted, we have to remove his/her vCard.
 741  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
 742  * field, and the same Exclusive ID as the existing card.
 743  */
 744 void vcard_purge(struct ctdluser *usbuf) {
 745         struct CtdlMessage *msg;
 746         char buf[SIZ];
 747
 748         msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
 749         if (msg == NULL) return;
 750         memset(msg, 0, sizeof(struct CtdlMessage));
 751
 752         msg->cm_magic = CTDLMESSAGE_MAGIC;
 753         msg->cm_anon_type = MES_NORMAL;
 754         msg->cm_format_type = 0;
 755         msg->cm_fields['A'] = strdup(usbuf->fullname);
 756         msg->cm_fields['O'] = strdup(ADDRESS_BOOK_ROOM);
 757         msg->cm_fields['N'] = strdup(NODENAME);
 758         msg->cm_fields['M'] = strdup("Purge this vCard\n");
 759
 760         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
 761                         msg->cm_fields['A'], NODENAME);
 762         msg->cm_fields['E'] = strdup(buf);
 763
 764         msg->cm_fields['S'] = strdup("CANCEL");
 765
 766         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
 767         CtdlFreeMessage(msg);
 768 }
 769
 770
 771 /*
 772  * Grab vCard directory stuff out of incoming network messages
 773  */
 774 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
 775         char *ptr;
 776         int linelen;
 777
 778         if (msg == NULL) return(0);
 779
 780         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
 781                 return(0);
 782         }
 783
 784         if (msg->cm_format_type != 4) return(0);
 785
 786         ptr = msg->cm_fields['M'];
 787         if (ptr == NULL) return(0);
 788         while (ptr != NULL) {
 789
 790                 linelen = strcspn(ptr, "\n");
 791                 if (linelen == 0) return(0);    /* end of headers */
 792
 793                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 794                          /* It's a vCard.  Add it to the directory. */
 795                         vcard_extract_internet_addresses(msg,
 796                                                         CtdlDirectoryAddUser);
 797                         return(0);
 798                 }
 799
 800                 ptr = strchr((char *)ptr, '\n');
 801                 if (ptr != NULL) ++ptr;
 802         }
 803
 804         return(0);
 805 }
 806
 807
 808
 809 /*
 810  * When a vCard is being removed from the Global Address Book room, remove it
 811  * from the directory as well.
 812  */
 813 void vcard_delete_remove(char *room, long msgnum) {
 814         struct CtdlMessage *msg;
 815         char *ptr;
 816         int linelen;
 817
 818         if (msgnum <= 0L) return;
 819
 820         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
 821                 return;
 822         }
 823
 824         msg = CtdlFetchMessage(msgnum, 1);
 825         if (msg == NULL) return;
 826
 827         ptr = msg->cm_fields['M'];
 828         if (ptr == NULL) goto EOH;
 829         while (ptr != NULL) {
 830                 linelen = strcspn(ptr, "\n");
 831                 if (linelen == 0) goto EOH;
 832
 833                 if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
 834                         /* Bingo!  A vCard is being deleted.
 835                         */
 836                         vcard_extract_internet_addresses(msg,
 837                                                         CtdlDirectoryDelUser);
 838 #ifdef HAVE_LDAP
 839                         ctdl_vcard_to_ldap(msg, V2L_DELETE);
 840 #endif
 841                 }
 842                 ptr = strchr((char *)ptr, '\n');
 843                 if (ptr != NULL) ++ptr;
 844         }
 845
 846 EOH:    CtdlFreeMessage(msg);
 847 }
 848
 849
 850
 851 /*
 852  * Query Directory
 853  */
 854 void cmd_qdir(char *argbuf) {
 855         char citadel_addr[256];
 856         char internet_addr[256];
 857
 858         if (CtdlAccessCheck(ac_logged_in)) return;
 859
 860         extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
 861
 862         if (CtdlDirectoryLookup(citadel_addr, internet_addr, sizeof citadel_addr) != 0) {
 863                 cprintf("%d %s was not found.\n",
 864                         ERROR + NO_SUCH_USER, internet_addr);
 865                 return;
 866         }
 867
 868         cprintf("%d %s\n", CIT_OK, citadel_addr);
 869 }
 870
 871
 872 /*
 873  * We don't know if the Contacts room exists so we just create it at login
 874  */
 875 void vcard_create_room(void)
 876 {
 877         struct ctdlroom qr;
 878         struct visit vbuf;
 879
 880         /* Create the calendar room if it doesn't already exist */
 881         create_room(USERCONTACTSROOM, 4, "", 0, 1, 0, VIEW_ADDRESSBOOK);
 882
 883         /* Set expiration policy to manual; otherwise objects will be lost! */
 884         if (lgetroom(&qr, USERCONTACTSROOM)) {
 885                 lprintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
 886                 return;
 887         }
 888         qr.QRep.expire_mode = EXPIRE_MANUAL;
 889         qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
 890         lputroom(&qr);
 891
 892         /* Set the view to a calendar view */
 893         CtdlGetRelationship(&vbuf, &CC->user, &qr);
 894         vbuf.v_view = 2;        /* 2 = address book view */
 895         CtdlSetRelationship(&vbuf, &CC->user, &qr);
 896
 897         return;
 898 }
 899
 900
 901
 902
 903 /*
 904  * When a user logs in...
 905  */
 906 void vcard_session_login_hook(void) {
 907         struct vCard *v;
 908
 909         v = vcard_get_user(&CC->user);
 910         extract_primary_inet_email(CC->cs_inet_email,
 911                                 sizeof CC->cs_inet_email, v);
 912         vcard_free(v);
 913
 914         vcard_create_room();
 915 }
 916
 917
 918 /*
 919  * Turn an arbitrary RFC822 address into a struct vCard for possible
 920  * inclusion into an address book.
 921  */
 922 struct vCard *vcard_new_from_rfc822_addr(char *addr) {
 923         struct vCard *v;
 924         char user[256], node[256], name[256], email[256], n[256], uid[256];
 925         int i;
 926
 927         v = vcard_new();
 928         if (v == NULL) return(NULL);
 929
 930         process_rfc822_addr(addr, user, node, name);
 931         vcard_set_prop(v, "fn", name, 0);
 932
 933         vcard_fn_to_n(n, name, sizeof n);
 934         vcard_set_prop(v, "n", n, 0);
 935
 936         snprintf(email, sizeof email, "%s@%s", user, node);
 937         vcard_set_prop(v, "email;internet", email, 0);
 938
 939         snprintf(uid, sizeof uid, "collected: %s %s@%s", name, user, node);
 940         for (i=0; i<strlen(uid); ++i) {
 941                 if (isspace(uid[i])) uid[i] = '_';
 942                 uid[i] = tolower(uid[i]);
 943         }
 944         vcard_set_prop(v, "UID", uid, 0);
 945
 946         return(v);
 947 }
 948
 949
 950
 951 /*
 952  * This is called by store_harvested_addresses() to remove from the
 953  * list any addresses we already have in our address book.
 954  */
 955 void strip_addresses_already_have(long msgnum, void *userdata) {
 956         char *collected_addresses;
 957         struct CtdlMessage *msg;
 958         struct vCard *v;
 959         char *value = NULL;
 960         int i, j;
 961         char addr[256], user[256], node[256], name[256];
 962
 963         collected_addresses = (char *)userdata;
 964
 965         msg = CtdlFetchMessage(msgnum, 1);
 966         if (msg == NULL) return;
 967         v = vcard_load(msg->cm_fields['M']);
 968         CtdlFreeMessage(msg);
 969
 970         i = 0;
 971         while (value = vcard_get_prop(v, "email", 1, i++, 0), value != NULL) {
 972
 973                 for (j=0; j<num_tokens(collected_addresses, ','); ++j) {
 974                         extract_token(addr, collected_addresses, j, ',', sizeof addr);
 975
 976                         /* Remove the address if we already have it! */
 977                         process_rfc822_addr(addr, user, node, name);
 978                         snprintf(addr, sizeof addr, "%s@%s", user, node);
 979                         if (!strcasecmp(value, addr)) {
 980                                 remove_token(collected_addresses, j, ',');
 981                         }
 982                 }
 983
 984         }
 985
 986         vcard_free(v);
 987 }
 988
 989
 990
 991 /*
 992  * Back end function for store_harvested_addresses()
 993  */
 994 void store_this_ha(struct addresses_to_be_filed *aptr) {
 995         struct CtdlMessage *vmsg = NULL;
 996         long vmsgnum = (-1L);
 997         char *ser = NULL;
 998         struct vCard *v = NULL;
 999         char recipient[256];
1000         int i;
1001
1002         /* First remove any addresses we already have in the address book */
1003         usergoto(aptr->roomname, 0, 0, NULL, NULL);
1004         CtdlForEachMessage(MSGS_ALL, 0, "text/x-vcard", NULL,
1005                 strip_addresses_already_have, aptr->collected_addresses);
1006
1007         if (strlen(aptr->collected_addresses) > 0)
1008            for (i=0; i<num_tokens(aptr->collected_addresses, ','); ++i) {
1009
1010                 /* Make a vCard out of each address */
1011                 extract_token(recipient, aptr->collected_addresses, i, ',', sizeof recipient);
1012                 striplt(recipient);
1013                 v = vcard_new_from_rfc822_addr(recipient);
1014                 if (v != NULL) {
1015                         vmsg = malloc(sizeof(struct CtdlMessage));
1016                         memset(vmsg, 0, sizeof(struct CtdlMessage));
1017                         vmsg->cm_magic = CTDLMESSAGE_MAGIC;
1018                         vmsg->cm_anon_type = MES_NORMAL;
1019                         vmsg->cm_format_type = FMT_RFC822;
1020                         vmsg->cm_fields['A'] = strdup("Citadel");
1021                         vmsg->cm_fields['E'] =  strdup(vcard_get_prop(v, "UID", 0, 0, 0));
1022                         ser = vcard_serialize(v);
1023                         if (ser != NULL) {
1024                                 vmsg->cm_fields['M'] = malloc(strlen(ser) + 1024);
1025                                 sprintf(vmsg->cm_fields['M'],
1026                                         "Content-type: text/x-vcard"
1027                                         "\r\n\r\n%s\r\n", ser);
1028                                 free(ser);
1029                         }
1030                         vcard_free(v);
1031
1032                         lprintf(CTDL_DEBUG, "Adding contact: %s\n", recipient);
1033                         vmsgnum = CtdlSubmitMsg(vmsg, NULL, aptr->roomname);
1034                         CtdlFreeMessage(vmsg);
1035                 }
1036         }
1037
1038         free(aptr->roomname);
1039         free(aptr->collected_addresses);
1040         free(aptr);
1041 }
1042
1043
1044 /*
1045  * When a user sends a message, we may harvest one or more email addresses
1046  * from the recipient list to be added to the user's address book.  But we
1047  * want to do this asynchronously so it doesn't keep the user waiting.
1048  */
1049 void store_harvested_addresses(void) {
1050
1051         struct addresses_to_be_filed *aptr = NULL;
1052
1053         if (atbf == NULL) return;
1054
1055         begin_critical_section(S_ATBF);
1056         while (atbf != NULL) {
1057                 aptr = atbf;
1058                 atbf = atbf->next;
1059                 end_critical_section(S_ATBF);
1060                 store_this_ha(aptr);
1061                 begin_critical_section(S_ATBF);
1062         }
1063         end_critical_section(S_ATBF);
1064 }
1065
1066
1067 /*
1068  * Function to output a vCard as plain text.  Nobody uses MSG0 anymore, so
1069  * really this is just so we expose the vCard data to the full text indexer.
1070  */
1071 void vcard_fixed_output(char *ptr, int len) {
1072         char *serialized_vcard;
1073         struct vCard *v;
1074         char *key, *value;
1075         int i = 0;
1076
1077         cprintf("vCard:\n");
1078         serialized_vcard = malloc(len + 1);
1079         safestrncpy(serialized_vcard, ptr, len+1);
1080         v = vcard_load(serialized_vcard);
1081         free(serialized_vcard);
1082
1083         i = 0;
1084         while (key = vcard_get_prop(v, "", 0, i, 1), key != NULL) {
1085                 value = vcard_get_prop(v, "", 0, i++, 0);
1086                 cprintf("%20s : %s\n", key, value);
1087         }
1088
1089         vcard_free(v);
1090 }
1091
1092
1093
1094 char *serv_vcard_init(void)
1095 {
1096         struct ctdlroom qr;
1097
1098         CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
1099         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
1100         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
1101         CtdlRegisterDeleteHook(vcard_delete_remove);
1102         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
1103         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
1104         CtdlRegisterProtoHook(cmd_igab, "IGAB",
1105                                         "Initialize Global Address Book");
1106         CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
1107         CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
1108         CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
1109         CtdlRegisterNetprocHook(vcard_extract_from_network);
1110         CtdlRegisterSessionHook(store_harvested_addresses, EVT_TIMER);
1111         CtdlRegisterFixedOutputHook("text/x-vcard", vcard_fixed_output);
1112
1113         /* Create the Global ADdress Book room if necessary */
1114         create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1115
1116         /* Set expiration policy to manual; otherwise objects will be lost! */
1117         if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
1118                 qr.QRep.expire_mode = EXPIRE_MANUAL;
1119                 qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
1120                 lputroom(&qr);
1121         }
1122
1123         return "$Id$";
1124 }