webcit/preferences.c

   1 /*
   2  * preferences.c
   3  *
   4  * Manage user preferences with a little help from the Citadel server.
   5  *
   6  * $Id$
   7  */
   8
   9 #include <ctype.h>
  10 #include <stdlib.h>
  11 #include <unistd.h>
  12 #include <stdio.h>
  13 #include <fcntl.h>
  14 #include <signal.h>
  15 #include <sys/types.h>
  16 #include <sys/wait.h>
  17 #include <sys/socket.h>
  18 #include <sys/time.h>
  19 #include <limits.h>
  20 #include <netinet/in.h>
  21 #include <netdb.h>
  22 #include <string.h>
  23 #include <pwd.h>
  24 #include <errno.h>
  25 #include <stdarg.h>
  26 #include <pthread.h>
  27 #include <signal.h>
  28 #include "webcit.h"
  29
  30
  31
  32 void load_preferences(void) {
  33         char buf[SIZ];
  34         long msgnum = 0L;
  35
  36         serv_printf("GOTO My Citadel Config");
  37         serv_gets(buf);
  38         if (buf[0] != '2') return;
  39
  40         serv_puts("MSGS ALL|0|1");
  41         serv_gets(buf);
  42         if (buf[0] == '8') {
  43                 serv_puts("subj|__ WebCit Preferences __");
  44                 serv_puts("000");
  45         }
  46         while (serv_gets(buf), strcmp(buf, "000")) {
  47                 msgnum = atol(buf);
  48         }
  49
  50         if (msgnum > 0L) {
  51                 serv_printf("MSG0 %ld", msgnum);
  52                 serv_gets(buf);
  53                 if (buf[0] == '1') {
  54                         while (serv_gets(buf),
  55                                 (strcmp(buf, "text") && strcmp(buf, "000"))) {
  56                         }
  57                         if (!strcmp(buf, "text")) {
  58                                 while (serv_gets(buf), strcmp(buf, "000")) {
  59                                         if (WC->preferences == NULL) {
  60                                                 WC->preferences = malloc(SIZ);
  61                                                 strcpy(WC->preferences, "");
  62                                         }
  63                                         else {
  64                                                 WC->preferences = realloc(
  65                                                         WC->preferences,
  66                                                         strlen(WC->preferences)
  67                                                         +SIZ
  68                                                 );
  69                                         }
  70                                         strcat(WC->preferences, buf);
  71                                         strcat(WC->preferences, "\n");
  72                                 }
  73                         }
  74                 }
  75         }
  76
  77         /* Go back to the room we're supposed to be in */
  78         serv_printf("GOTO %s", WC->wc_roomname);
  79         serv_gets(buf);
  80 }
  81
  82 void save_preferences(void) {
  83         char buf[SIZ];
  84         long msgnum = 0L;
  85
  86         serv_printf("GOTO My Citadel Config");
  87         serv_gets(buf);
  88         if (buf[0] != '2') { /* try to create the config room if not there */
  89                 serv_printf("CRE8 1|My Citadel Config|4|0");
  90                 serv_gets(buf);
  91                 serv_printf("GOTO My Citadel Config");
  92                 serv_gets(buf);
  93                 if (buf[0] != '2') return;      /* oh well. */
  94         }
  95
  96         serv_puts("MSGS ALL|0|1");
  97         serv_gets(buf);
  98         if (buf[0] == '8') {
  99                 serv_puts("subj|__ WebCit Preferences __");
 100                 serv_puts("000");
 101         }
 102         while (serv_gets(buf), strcmp(buf, "000")) {
 103                 msgnum = atol(buf);
 104         }
 105
 106         if (msgnum > 0L) {
 107                 serv_printf("DELE %ld", msgnum);
 108                 serv_gets(buf);
 109         }
 110
 111         serv_printf("ENT0 1||0|1|__ WebCit Preferences __|");
 112         serv_gets(buf);
 113         if (buf[0] == '4') {
 114                 serv_puts(WC->preferences);
 115                 serv_puts("");
 116                 serv_puts("000");
 117         }
 118
 119         /* Go back to the room we're supposed to be in */
 120         serv_printf("GOTO %s", WC->wc_roomname);
 121         serv_gets(buf);
 122 }
 123
 124 void get_preference(char *key, char *value) {
 125         int num_prefs;
 126         int i;
 127         char buf[SIZ];
 128         char thiskey[SIZ];
 129
 130         strcpy(value, "");
 131
 132         num_prefs = num_tokens(WC->preferences, '\n');
 133         for (i=0; i<num_prefs; ++i) {
 134                 extract_token(buf, WC->preferences, i, '\n');
 135                 extract_token(thiskey, buf, 0, '|');
 136                 if (!strcasecmp(thiskey, key)) {
 137                         extract_token(value, buf, 1, '|');
 138                 }
 139         }
 140 }
 141
 142 void set_preference(char *key, char *value) {
 143         int num_prefs;
 144         int i;
 145         char buf[SIZ];
 146         char thiskey[SIZ];
 147         char *newprefs = NULL;
 148
 149         num_prefs = num_tokens(WC->preferences, '\n');
 150         for (i=0; i<num_prefs; ++i) {
 151                 extract_token(buf, WC->preferences, i, '\n');
 152                 extract_token(thiskey, buf, 0, '|');
 153                 if (strcasecmp(thiskey, key)) {
 154                         if (newprefs == NULL) newprefs = strdup("");
 155                         else {
 156                                 newprefs = realloc(newprefs,
 157                                                 strlen(newprefs) + SIZ );
 158                         }
 159                         strcat(newprefs, buf);
 160                         strcat(newprefs, "\n");
 161                 }
 162         }
 163
 164
 165         if (newprefs == NULL) newprefs = strdup("");
 166         else {
 167                 newprefs = realloc(newprefs,
 168                                 strlen(newprefs) + SIZ );
 169         }
 170         sprintf(&newprefs[strlen(newprefs)], "%s|%s\n", key, value);
 171
 172         save_preferences();
 173 }