citadel/server/modules/bio/serv_bio.c

   1 // This module implements server commands related to the display and
   2 // manipulation of user profiles (also known as "bio" files).
   3 //
   4 // Copyright (c) 1987-2022 by the citadel.org team
   5 //
   6 // This program is open source software.  Use, duplication, or disclosure
   7 // is subject to the terms of the GNU General Public License, version 3.
   8 // The program is distributed without any warranty, expressed or implied.
   9
  10 #include <sys/types.h>
  11 #include <sys/stat.h>
  12 #include <dirent.h>
  13
  14 #include "../../ctdl_module.h"
  15 #include "../../config.h"
  16
  17
  18 // Command to enter user bio (profile) in plain text.
  19 // This is deprecated , or at least it will be when its replacement is written  :)
  20 // I want commands to get/set bio in full MIME wonderfulness.
  21 void cmd_ebio(char *cmdbuf) {
  22         char buf[SIZ];
  23
  24         unbuffer_output();
  25
  26         if (!(CC->logged_in)) {
  27                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
  28                 return;
  29         }
  30
  31         StrBuf *NewProfile = NewStrBufPlain("Content-type: text/plain; charset=UTF-8\nContent-transfer-encoding: 8bit\n\n", -1);
  32
  33         cprintf("%d Transmit user profile in plain text now.\n", SEND_LISTING);
  34         while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
  35                 StrBufAppendBufPlain(NewProfile, buf, -1, 0);
  36                 StrBufAppendBufPlain(NewProfile, HKEY("\n"), 0);
  37         }
  38
  39         // we have read the new profile from the user , now save it
  40         long old_msgnum = CC->user.msgnum_bio;
  41         char userconfigroomname[ROOMNAMELEN];
  42         CtdlMailboxName(userconfigroomname, sizeof userconfigroomname, &CC->user, USERCONFIGROOM);
  43         long new_msgnum = quickie_message("Citadel", NULL, NULL, userconfigroomname, ChrPtr(NewProfile), FMT_RFC822, "Profile submitted with EBIO command");
  44         FreeStrBuf(&NewProfile);
  45         CtdlGetUserLock(&CC->user, CC->curr_user);
  46         CC->user.msgnum_bio = new_msgnum;
  47         CtdlPutUserLock(&CC->user);
  48         if (old_msgnum > 0) {
  49                 syslog(LOG_DEBUG, "Deleting old message %ld from %s", old_msgnum, userconfigroomname);
  50                 CtdlDeleteMessages(userconfigroomname, &old_msgnum, 1, "");
  51         }
  52 }
  53
  54
  55 // Command to read user bio (profile) in plain text.
  56 // This is deprecated , or at least it will be when its replacement is written  :)
  57 // I want commands to get/set bio in full MIME wonderfulness.
  58 void cmd_rbio(char *cmdbuf) {
  59         struct ctdluser ruser;
  60         char buf[SIZ];
  61
  62         extract_token(buf, cmdbuf, 0, '|', sizeof buf);
  63         if (CtdlGetUser(&ruser, buf) != 0) {
  64                 cprintf("%d No such user.\n",ERROR + NO_SUCH_USER);
  65                 return;
  66         }
  67
  68         cprintf("%d OK|%s|%ld|%d|%ld|0|0\n", LISTING_FOLLOWS,
  69                 ruser.fullname, ruser.usernum, ruser.axlevel, (long)ruser.lastcall);
  70
  71         struct CtdlMessage *msg = CtdlFetchMessage(ruser.msgnum_bio, 1);
  72         if (msg != NULL) {
  73                 CtdlOutputPreLoadedMsg(msg, MT_CITADEL, HEADERS_NONE, 0, 0, 0);
  74                 CM_Free(msg);
  75         }
  76         cprintf("000\n");
  77 }
  78
  79
  80 // Import function called by import_old_bio_files() for a single user
  81 void import_one_bio_file(char *username, long usernum, char *path) {
  82         syslog(LOG_DEBUG, "Import legacy bio for %s, usernum=%ld, filename=%s", username, usernum, path);
  83
  84         FILE *fp = fopen(path, "r");
  85         if (!fp) return;
  86
  87         fseek(fp, 0, SEEK_END);
  88         long data_length = ftell(fp);
  89
  90         if (data_length >= 1) {
  91                 rewind(fp);
  92                 char *unencoded_data = malloc(data_length);
  93                 if (unencoded_data) {
  94                         fread(unencoded_data, data_length, 1, fp);
  95                         char *encoded_data = malloc((data_length * 2) + 100);
  96                         if (encoded_data) {
  97                                 sprintf(encoded_data, "Content-type: text/plain; charset=UTF-8\nContent-transfer-encoding: base64\n\n");
  98                                 CtdlEncodeBase64(&encoded_data[strlen(encoded_data)], unencoded_data, data_length, BASE64_YES_LINEBREAKS);
  99
 100                                 char userconfigroomname[ROOMNAMELEN];
 101                                 struct ctdluser usbuf;
 102
 103                                 if (CtdlGetUser(&usbuf, username) == 0) {       // no need to lock it , we are still initializing
 104                                         long old_msgnum = usbuf.msgnum_bio;
 105                                         CtdlMailboxName(userconfigroomname, sizeof userconfigroomname, &usbuf, USERCONFIGROOM);
 106                                         long new_msgnum = quickie_message("Citadel", NULL, NULL, userconfigroomname, encoded_data, FMT_RFC822, "Profile imported from bio");
 107                                         syslog(LOG_DEBUG, "Message %ld is now the profile for %s", new_msgnum, username);
 108                                         usbuf.msgnum_bio = new_msgnum;
 109                                         CtdlPutUser(&usbuf);
 110                                         unlink(path);                           // delete the old file , it's in the database now
 111                                         if (old_msgnum > 0) {
 112                                                 syslog(LOG_DEBUG, "Deleting old message %ld from %s", old_msgnum, userconfigroomname);
 113                                                 CtdlDeleteMessages(userconfigroomname, &old_msgnum, 1, "");
 114                                         }
 115                                 }
 116                                 free(encoded_data);
 117                         }
 118                         free(unencoded_data);
 119                 }
 120         }
 121         fclose(fp);
 122 }
 123
 124
 125 // Look for old-format "bio" files and import them into the message base
 126 void import_old_bio_files(void) {
 127         DIR *filedir = NULL;
 128         struct dirent *filedir_entry;
 129         size_t d_namelen;
 130         struct ctdluser usbuf;
 131         long usernum = 0;
 132         int d_type = 0;
 133         struct stat s;
 134         char path[PATH_MAX];
 135
 136         syslog(LOG_DEBUG, "Importing old style bio files into the message base");
 137         filedir = opendir("bio");
 138         if (filedir == NULL) {
 139                 return;
 140         }
 141         while ( (filedir_entry = readdir(filedir)) , (filedir_entry != NULL)) {
 142 #ifdef _DIRENT_HAVE_D_NAMLEN
 143                 d_namelen = filedir_entry->d_namlen;
 144
 145 #else
 146                 d_namelen = strlen(filedir_entry->d_name);
 147 #endif
 148
 149 #ifdef _DIRENT_HAVE_D_TYPE
 150                 d_type = filedir_entry->d_type;
 151 #else
 152
 153 #ifndef DT_UNKNOWN
 154 #define DT_UNKNOWN     0
 155 #define DT_DIR         4
 156 #define DT_REG         8
 157 #define DT_LNK         10
 158
 159 #define IFTODT(mode)   (((mode) & 0170000) >> 12)
 160 #define DTTOIF(dirtype)        ((dirtype) << 12)
 161 #endif
 162                 d_type = DT_UNKNOWN;
 163 #endif
 164                 if ((d_namelen == 1) &&
 165                     (filedir_entry->d_name[0] == '.'))
 166                         continue;
 167
 168                 if ((d_namelen == 2) &&
 169                     (filedir_entry->d_name[0] == '.') &&
 170                     (filedir_entry->d_name[1] == '.'))
 171                         continue;
 172
 173                 snprintf(path, PATH_MAX, "bio/%s", filedir_entry->d_name);
 174                 if (d_type == DT_UNKNOWN) {
 175                         if (lstat(path, &s) == 0) {
 176                                 d_type = IFTODT(s.st_mode);
 177                         }
 178                 }
 179                 switch (d_type)
 180                 {
 181                 case DT_DIR:
 182                         break;
 183                 case DT_LNK:
 184                 case DT_REG:
 185                         usernum = atol(filedir_entry->d_name);
 186                         if (CtdlGetUserByNumber(&usbuf, usernum) == 0) {
 187                                 import_one_bio_file(usbuf.fullname, usernum, path);
 188                         }
 189                 }
 190         }
 191         closedir(filedir);
 192         rmdir("bio");
 193 }
 194
 195
 196 // Initialization function, called from modules_init.c
 197 char *ctdl_module_init_bio(void) {
 198         if (!threading) {
 199                 import_old_bio_files();
 200                 CtdlRegisterProtoHook(cmd_ebio, "EBIO", "Enter your bio");
 201                 CtdlRegisterProtoHook(cmd_rbio, "RBIO", "Read a user's bio");
 202         }
 203         // return our module name for the log
 204         return "bio";
 205 }