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