]> code.citadel.org Git - citadel.git/blobdiff - citadel/serv_vcard.c
* When deleting a vCard from the Global Address Book room, remove the
[citadel.git] / citadel / serv_vcard.c
index c3b27f092b33d92c34bc891624cb6db1acc09e57..7982075b52f626dda41683c9624b306c0c5b17b0 100644 (file)
@@ -3,11 +3,26 @@
  * 
  * A server-side module for Citadel which supports address book information
  * using the standard vCard format.
- *
+ * 
+ * Copyright (c) 1999-2001 / released under the GNU General Public License
  */
 
+/*
+ * Where we keep messages containing the vCards that source our directory.  It
+ * makes no sense to change this, because you'd have to change it on every
+ * system on the network.  That would be stupid.
+ */
 #define ADDRESS_BOOK_ROOM      "Global Address Book"
 
+/*
+ * Format of the "Extended ID" field of the message containing a user's
+ * vCard.  Doesn't matter what it really looks like as long as it's both
+ * unique and consistent (because we use it for replication checking to
+ * delete the old vCard network-wide when the user enters a new one).
+ */
+#define VCARD_EXT_FORMAT       "Citadel vCard: personal card for %s at %s"
+
+
 #include "sysdep.h"
 #include <stdlib.h>
 #include <unistd.h>
@@ -45,6 +60,7 @@
 #include "policy.h"
 #include "database.h"
 #include "msgbase.h"
+#include "internet_addressing.h"
 #include "tools.h"
 #include "vcard.h"
 
@@ -57,6 +73,96 @@ unsigned long SYM_VCARD;
 #define VC ((struct vcard_internal_info *)CtdlGetUserData(SYM_VCARD))
 
 
+/*
+ * Extract Internet e-mail addresses from a message containing a vCard, and
+ * perform a callback for any found.
+ */
+void vcard_extract_internet_addresses(struct CtdlMessage *msg,
+                               void (*callback)(char *, char *) ) {
+       struct vCard *v;
+       char *s;
+       char *addr;
+       char citadel_address[SIZ];
+       int instance = 0;
+       int found_something = 0;
+
+       if (msg->cm_fields['A'] == NULL) return;
+       if (msg->cm_fields['N'] == NULL) return;
+       sprintf(citadel_address, "%s @ %s",
+               msg->cm_fields['A'], msg->cm_fields['N']);
+
+       v = vcard_load(msg->cm_fields['M']);
+       if (v == NULL) return;
+
+       /* Go through the vCard searching for *all* instances of
+        * the "email;internet" key
+        */
+       do {
+               s = vcard_get_prop(v, "email;internet", 0, instance++);
+               if (s != NULL) {
+                       addr = strdoop(s);
+                       striplt(addr);
+                       if (strlen(addr) > 0) {
+                               if (callback != NULL) {
+                                       callback(addr, citadel_address);
+                               }
+                       }
+                       phree(addr);
+                       found_something = 1;
+               }
+               else {
+                       found_something = 0;
+               }
+       } while(found_something);
+
+       vcard_free(v);
+}
+
+/*
+ * Back end function for cmd_igab()
+ */
+void vcard_add_to_directory(long msgnum, void *data) {
+       struct CtdlMessage *msg;
+
+       msg = CtdlFetchMessage(msgnum);
+       if (msg != NULL) {
+               vcard_extract_internet_addresses(msg, CtdlDirectoryAddUser);
+       }
+
+       CtdlFreeMessage(msg);
+}
+
+
+/*
+ * Initialize Global Adress Book
+ */
+void cmd_igab(char *argbuf) {
+        char hold_rm[ROOMNAMELEN];
+
+       if (CtdlAccessCheck(ac_aide)) return;
+
+        strcpy(hold_rm, CC->quickroom.QRname); /* save current room */
+
+        if (getroom(&CC->quickroom, ADDRESS_BOOK_ROOM) != 0) {
+                getroom(&CC->quickroom, hold_rm);
+               cprintf("%d cannot get address book room\n", ERROR);
+               return;
+        }
+
+       /* Empty the existing database first.
+        */
+       CtdlDirectoryInit();
+
+        /* We want the last (and probably only) vcard in this room */
+        CtdlForEachMessage(MSGS_ALL, 0, (-127), "text/x-vcard",
+               NULL, vcard_add_to_directory, NULL);
+
+        getroom(&CC->quickroom, hold_rm);      /* return to saved room */
+       cprintf("%d Directory has been rebuilt.\n", OK);
+}
+
+
+
 /*
  * This handler detects whether the user is attempting to save a new
  * vCard as part of his/her personal configuration, and handles the replace
@@ -69,24 +175,18 @@ int vcard_upload_beforesave(struct CtdlMessage *msg) {
         char config_rm[ROOMNAMELEN];
        char buf[SIZ];
 
-
        if (!CC->logged_in) return(0);  /* Only do this if logged in. */
-       TRACE;
 
        /* If this isn't the configuration room, or if this isn't a MIME
         * message, don't bother.  (Check for NULL room first, otherwise
         * some messages will cause it to crash!!)
         */
        if (msg->cm_fields['O'] == NULL) return(0);
-       TRACE;
        if (strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) return(0);
-       TRACE;
        if (msg->cm_format_type != 4) return(0);
-       TRACE;
 
        ptr = msg->cm_fields['M'];
        if (ptr == NULL) return(0);
-       TRACE;
        while (ptr != NULL) {
        
                linelen = strcspn(ptr, "\n");
@@ -106,36 +206,26 @@ int vcard_upload_beforesave(struct CtdlMessage *msg) {
                         * to make changes to another user's vCard instead of
                         * assuming that it's always the user saving his own.
                         */
-                       TRACE;
                        MailboxName(config_rm, &CC->usersupp, USERCONFIGROOM);
-                       TRACE;
                        CtdlDeleteMessages(config_rm, 0L, "text/x-vcard");
-                       TRACE;
 
                        /* Set the Extended-ID to a standardized one so the
                         * replication always works correctly
                         */
                         if (msg->cm_fields['E'] != NULL)
                                 phree(msg->cm_fields['E']);
-                       TRACE;
 
-                        sprintf(buf,
-                                "Citadel vCard: personal card for %s at %s",
+                        sprintf(buf, VCARD_EXT_FORMAT,
                                 msg->cm_fields['A'], NODENAME);
                         msg->cm_fields['E'] = strdoop(buf);
-                       TRACE;
 
                        /* Now allow the save to complete. */
-                       TRACE;
                        return(0);
                }
-               TRACE;
 
                ptr = strchr((char *)ptr, '\n');
-               TRACE;
                if (ptr != NULL) ++ptr;
        }
-       TRACE;
 
        return(0);
 }
@@ -153,7 +243,6 @@ int vcard_upload_aftersave(struct CtdlMessage *msg) {
        int linelen;
        long I;
 
-
        if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 
        /* If this isn't the configuration room, or if this isn't a MIME
@@ -175,14 +264,16 @@ int vcard_upload_aftersave(struct CtdlMessage *msg) {
                         * copy it to the Global Address Book room.
                         */
 
-                       TRACE;
                        I = atol(msg->cm_fields['I']);
-                       TRACE;
                        if (I < 0L) return(0);
 
+                       /* Put it in the Global Address Book room... */
                        CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I,
                                (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
 
+                       /* ...and also in the directory database. */
+                       vcard_add_to_directory(I, NULL);
+
                        return(0);
                }
 
@@ -282,7 +373,9 @@ void vcard_write_user(struct usersupp *u, struct vCard *v) {
 
 
 /*
- * old style "enter registration info" command
+ * Old style "enter registration info" command.  This function simply honors
+ * the REGI protocol command, translates the entered parameters into a vCard,
+ * and enters the vCard into the user's configuration.
  */
 void cmd_regi(char *argbuf) {
        int a,b,c;
@@ -299,7 +392,7 @@ void cmd_regi(char *argbuf) {
        if (!(CC->logged_in)) {
                cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
                return;
-               }
+       }
 
        my_vcard = vcard_get_user(&CC->usersupp);
        strcpy(tmpaddr, "");
@@ -311,27 +404,28 @@ void cmd_regi(char *argbuf) {
        cprintf("%d Send registration...\n", SEND_LISTING);
        a=0;
        while (client_gets(buf), strcmp(buf,"000")) {
-               if (a==0) vcard_set_prop(my_vcard, "n", buf);
-               if (a==1) strcpy(tmpaddr,buf);
-               if (a==2) strcpy(tmpcity,buf);
-               if (a==3) strcpy(tmpstate,buf);
+               if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
+               if (a==1) strcpy(tmpaddr, buf);
+               if (a==2) strcpy(tmpcity, buf);
+               if (a==3) strcpy(tmpstate, buf);
                if (a==4) {
                        for (c=0; c<strlen(buf); ++c) {
-                               if ((buf[c]>='0')&&(buf[c]<='9')) {
-                                       b=strlen(tmpzip);
-                                       tmpzip[b]=buf[c];
-                                       tmpzip[b+1]=0;
-                                       }
+                               if ((buf[c]>='0') && (buf[c]<='9')) {
+                                       b = strlen(tmpzip);
+                                       tmpzip[b] = buf[c];
+                                       tmpzip[b+1] = 0;
                                }
                        }
-               if (a==5) vcard_set_prop(my_vcard, "tel;home", buf);
-               if (a==6) vcard_set_prop(my_vcard, "email;internet", buf);
+               }
+               if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
+               if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
                if (a==7) strcpy(tmpcountry, buf);
                ++a;
-               }
+       }
+
        sprintf(tmpaddress, ";;%s;%s;%s;%s;%s",
                tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
-       vcard_set_prop(my_vcard, "adr", tmpaddress);
+       vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
        vcard_write_user(&CC->usersupp, my_vcard);
        vcard_free(my_vcard);
 
@@ -345,12 +439,12 @@ void cmd_regi(char *argbuf) {
        CitControl.MMflags = CitControl.MMflags | MM_VALID ;
        put_control();
        end_critical_section(S_CONTROL);
-       }
+}
 
 
 
 /*
- * get registration info for a user
+ * Protocol command to fetch registration info for a user
  */
 void cmd_greg(char *argbuf)
 {
@@ -386,10 +480,10 @@ void cmd_greg(char *argbuf)
        cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
        cprintf("%ld\n", usbuf.usernum);
        cprintf("%s\n", usbuf.password);
-       s = vcard_get_prop(v, "n", 0);
+       s = vcard_get_prop(v, "n", 0, 0);
        cprintf("%s\n", s ? s : " ");   /* name */
 
-       s = vcard_get_prop(v, "adr", 0);
+       s = vcard_get_prop(v, "adr", 0, 0);
        sprintf(adr, "%s", s ? s : " ");/* address... */
 
        extract_token(buf, adr, 2, ';');
@@ -401,26 +495,26 @@ void cmd_greg(char *argbuf)
        extract_token(buf, adr, 5, ';');
        cprintf("%s\n", buf);                           /* zip */
 
-       s = vcard_get_prop(v, "tel;home", 0);
-       if (s == NULL) s = vcard_get_prop(v, "tel", 1);
+       s = vcard_get_prop(v, "tel;home", 0, 0);
+       if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0);
        if (s != NULL) {
                cprintf("%s\n", s);
-               }
+       }
        else {
                cprintf(" \n");
        }
 
        cprintf("%d\n", usbuf.axlevel);
 
-       s = vcard_get_prop(v, "email;internet", 0);
+       s = vcard_get_prop(v, "email;internet", 0, 0);
        cprintf("%s\n", s ? s : " ");
-       s = vcard_get_prop(v, "adr", 0);
+       s = vcard_get_prop(v, "adr", 0, 0);
        sprintf(adr, "%s", s ? s : " ");/* address... */
 
        extract_token(buf, adr, 6, ';');
        cprintf("%s\n", buf);                           /* country */
        cprintf("000\n");
-       }
+}
 
 
 /*
@@ -444,9 +538,7 @@ void vcard_purge(char *username, long usernum) {
         msg->cm_fields['N'] = strdoop(NODENAME);
         msg->cm_fields['M'] = strdoop("Purge this vCard\n");
 
-        sprintf(buf,
-                "Citadel vCard: personal card for %s at %s",
-                msg->cm_fields['A'], NODENAME);
+        sprintf(buf, VCARD_EXT_FORMAT, msg->cm_fields['A'], NODENAME);
         msg->cm_fields['E'] = strdoop(buf);
 
        msg->cm_fields['S'] = strdoop("CANCEL");
@@ -454,8 +546,68 @@ void vcard_purge(char *username, long usernum) {
         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
         CtdlFreeMessage(msg);
 }
+
+
+/*
+ * Grab vCard directory stuff out of incoming network messages
+ */
+int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
+       char *ptr;
+       int linelen;
+
+       if (msg == NULL) return(0);
+
+       if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
+               return(0);
+       }
+
+       if (msg->cm_format_type != 4) return(0);
+
+       ptr = msg->cm_fields['M'];
+       if (ptr == NULL) return(0);
+       while (ptr != NULL) {
        
-       
+               linelen = strcspn(ptr, "\n");
+               if (linelen == 0) return(0);    /* end of headers */    
+               
+               if (!strncasecmp(ptr, "Content-type: text/x-vcard", 26)) {
+                        /* It's a vCard.  Add it to the directory. */
+                       vcard_extract_internet_addresses(msg,
+                                                       CtdlDirectoryAddUser);
+                       return(0);
+               }
+
+               ptr = strchr((char *)ptr, '\n');
+               if (ptr != NULL) ++ptr;
+       }
+
+       return(0);
+}
+
+
+
+/* 
+ * When a vCard is being removed from the Global Address Book room, remove it
+ * from the directory as well.
+ */
+void vcard_delete_remove(char *room, long msgnum) {
+       struct CtdlMessage *msg;
+
+       if (msgnum <= 0L) return;
+
+       if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
+               return;
+       }
+
+       msg = CtdlFetchMessage(msgnum);
+       if (msg != NULL) {
+               vcard_extract_internet_addresses(msg, CtdlDirectoryDelUser);
+       }
+
+       CtdlFreeMessage(msg);
+}
+
+
 
 
 /*
@@ -472,12 +624,13 @@ char *Dynamic_Module_Init(void)
        CtdlRegisterSessionHook(vcard_session_startup_hook, EVT_START);
        CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
        CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
+       CtdlRegisterDeleteHook(vcard_delete_remove);
        CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
        CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
+       CtdlRegisterProtoHook(cmd_igab, "IGAB",
+                                       "Initialize Global Address Book");
        CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
+       CtdlRegisterNetprocHook(vcard_extract_from_network);
        create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1);
        return "$Id$";
 }
-
-
-