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 #include "webserver.h"
  30
  31
  32
  33 void load_preferences(void) {
  34         char buf[SIZ];
  35         long msgnum = 0L;
  36
  37         lprintf(9, "entering load_preferences()\n");
  38
  39         serv_printf("GOTO %s", USERCONFIGROOM);
  40         serv_gets(buf);
  41         if (buf[0] != '2') return;
  42
  43         serv_puts("MSGS ALL|0|1");
  44         serv_gets(buf);
  45         if (buf[0] == '8') {
  46                 serv_puts("subj|__ WebCit Preferences __");
  47                 serv_puts("000");
  48         }
  49         while (serv_gets(buf), strcmp(buf, "000")) {
  50                 msgnum = atol(buf);
  51         }
  52
  53         if (msgnum > 0L) {
  54                 serv_printf("MSG0 %ld", msgnum);
  55                 serv_gets(buf);
  56                 if (buf[0] == '1') {
  57                         while (serv_gets(buf),
  58                                 (strcmp(buf, "text") && strcmp(buf, "000"))) {
  59                         }
  60                         if (!strcmp(buf, "text")) {
  61                                 while (serv_gets(buf), strcmp(buf, "000")) {
  62                                         if (WC->preferences == NULL) {
  63                                                 WC->preferences = malloc(SIZ);
  64                                                 strcpy(WC->preferences, "");
  65                                         }
  66                                         else {
  67                                                 WC->preferences = realloc(
  68                                                         WC->preferences,
  69                                                         strlen(WC->preferences)
  70                                                         +SIZ
  71                                                 );
  72                                         }
  73                                         strcat(WC->preferences, buf);
  74                                         strcat(WC->preferences, "\n");
  75                                 }
  76                         }
  77                 }
  78         }
  79
  80         /* Go back to the room we're supposed to be in */
  81         serv_printf("GOTO %s", WC->wc_roomname);
  82         serv_gets(buf);
  83         lprintf(9, "exiting load_preferences()\n");
  84 }
  85
  86 void save_preferences(void) {
  87         char buf[SIZ];
  88         long msgnum = 0L;
  89
  90         lprintf(9, "entering save_preferences()\n");
  91         serv_printf("GOTO %s", USERCONFIGROOM);
  92         serv_gets(buf);
  93         if (buf[0] != '2') { /* try to create the config room if not there */
  94                 serv_printf("CRE8 1|%s|4|0", USERCONFIGROOM);
  95                 serv_gets(buf);
  96                 serv_printf("GOTO %s", USERCONFIGROOM);
  97                 serv_gets(buf);
  98                 if (buf[0] != '2') return;      /* oh well. */
  99         }
 100
 101         serv_puts("MSGS ALL|0|1");
 102         serv_gets(buf);
 103         if (buf[0] == '8') {
 104                 serv_puts("subj|__ WebCit Preferences __");
 105                 serv_puts("000");
 106         }
 107         while (serv_gets(buf), strcmp(buf, "000")) {
 108                 msgnum = atol(buf);
 109         }
 110
 111         if (msgnum > 0L) {
 112                 serv_printf("DELE %ld", msgnum);
 113                 serv_gets(buf);
 114         }
 115
 116         serv_printf("ENT0 1||0|1|__ WebCit Preferences __|");
 117         serv_gets(buf);
 118         if (buf[0] == '4') {
 119                 serv_puts(WC->preferences);
 120                 serv_puts("");
 121                 serv_puts("000");
 122         }
 123
 124         /* Go back to the room we're supposed to be in */
 125         serv_printf("GOTO %s", WC->wc_roomname);
 126         serv_gets(buf);
 127         lprintf(9, "exiting save_preferences()\n");
 128 }
 129
 130 void get_preference(char *key, char *value) {
 131         int num_prefs;
 132         int i;
 133         char buf[SIZ];
 134         char thiskey[SIZ];
 135
 136         lprintf(9, "entering get_preference(%s)\n", key);
 137         strcpy(value, "");
 138
 139         num_prefs = num_tokens(WC->preferences, '\n');
 140         for (i=0; i<num_prefs; ++i) {
 141                 extract_token(buf, WC->preferences, i, '\n');
 142                 extract_token(thiskey, buf, 0, '|');
 143                 if (!strcasecmp(thiskey, key)) {
 144                         extract_token(value, buf, 1, '|');
 145                 }
 146         }
 147         lprintf(9, "exiting get_preference() = %s\n", value);
 148 }
 149
 150 void set_preference(char *key, char *value) {
 151         int num_prefs;
 152         int i;
 153         char buf[SIZ];
 154         char thiskey[SIZ];
 155         char *newprefs = NULL;
 156
 157         lprintf(9, "entering set_preference(%s, %s)\n", key, value);
 158         num_prefs = num_tokens(WC->preferences, '\n');
 159         for (i=0; i<num_prefs; ++i) {
 160                 extract_token(buf, WC->preferences, i, '\n');
 161                 if (num_tokens(buf, '|') == 2) {
 162                         extract_token(thiskey, buf, 0, '|');
 163                         if (strcasecmp(thiskey, key)) {
 164                                 if (newprefs == NULL) newprefs = strdup("");
 165                                 newprefs = realloc(newprefs,
 166                                         strlen(newprefs) + SIZ );
 167                                 strcat(newprefs, buf);
 168                                 strcat(newprefs, "\n");
 169                         }
 170                 }
 171         }
 172
 173
 174         if (newprefs == NULL) newprefs = strdup("");
 175         newprefs = realloc(newprefs, strlen(newprefs) + SIZ);
 176         sprintf(&newprefs[strlen(newprefs)], "%s|%s\n", key, value);
 177
 178         free(WC->preferences);
 179         WC->preferences = newprefs;
 180
 181         save_preferences();
 182         lprintf(9, "exiting set_preference()\n");
 183 }