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mod_operator.c
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mod_operator.c
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/*
* LBBS -- The Lightweight Bulletin Board System
*
* Copyright (C) 2023-2024, Naveen Albert
*
* Naveen Albert <[email protected]>
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief Operator Position System
*
* \note This is the queue handling logic for a basic operator position system
*
* While this module has been written in a generic manner, it has been tailored
* to a particular application.
* It is not intended to be used on any system other than the one running this system.
*
* I have open sourced this for two reasons:
* - To provide an example of queue call handler implementation
* - To allow other collaborators to update and improve this module, if needed
*
* \author Naveen Albert <[email protected]>
*/
#include "include/bbs.h"
#include <ctype.h>
#include <cami/cami.h>
#include <cami/cami_actions.h>
#include "include/module.h"
#include "include/config.h"
#include "include/node.h"
#include "include/term.h"
#include "include/variables.h"
#include "include/curl.h"
#include "include/json.h"
#include "include/string.h"
#include "include/cli.h"
#include "include/mod_asterisk_ami.h" /* use bbs_ami_session */
#include "include/mod_asterisk_queues.h"
#include "include/mod_ncurses.h"
/* Operator */
static char url_time_of_day[256] = "";
static char url_local_exchanges[256] = "";
static char url_rate_quote[256] = "";
static char url_reverse_lookup[256] = "";
static char context_operator_xfer[84] = "";
static char variable_cvs[64] = "";
/* Intercept */
static char variable_intercepted_num[32] = "";
static char url_intercept_lookup[256] = "";
/* Directory */
static char url_directory_location[256] = "";
static char url_directory_lookup[512] = "";
/* Coin Zone */
static char variable_amount_required[32] = "";
/* ONI */
static char channel_queue_inject[128] = "";
static char context_oni_digits[64] = "";
static char variable_queue_channel[32] = ""; /* W/O */
static char variable_supervisor_channel[32] = ""; /* R/O */
static char context_oni_eval[64] = "";
static char variable_oni_set[64] = "";
/* TRS */
static char variable_queuechannelout[128] = "";
static char relay_greeting[24] = "";
static char context_trs_transfer[64] = "";
/* Emergency */
static char url_emergency_caller_info[128] = "";
static char variable_n11translations[64] = "";
/* Based on https://stackoverflow.com/a/15301457/ */
static void nonlocaltime(const char *tzname, char *buf, size_t len)
{
char *tz;
time_t now;
now = time(NULL);
/* Note: this code is not thread safe */
tz = getenv("TZ");
if (tz) {
tz = strdup(tz);
}
/* Override TZ */
setenv("TZ", tzname, 1);
tzset();
/* Use TZ */
strftime(buf, len, "%Y/%m/%d %I:%M:%S %p", localtime(&now));
/* Restore original TZ */
if (tz) {
setenv("TZ", tz, 1);
free(tz);
} else {
unsetenv("TZ");
}
tzset();
}
static int node_read_variable(struct bbs_node *node, const char *key)
{
char buf[84];
int res;
/* First, flush any pending output,
* since otherwise a previous keystroke
* might still be here and cause us to return immediately. */
bbs_node_flush_input(node);
bbs_node_buffer(node);
res = bbs_node_readline(node, MIN_MS(5), buf, sizeof(buf));
bbs_node_unbuffer(node);
if (res <= 0) {
return res;
} else if (strlen(buf) >= sizeof(buf)) {
bbs_warning("Truncation reading into buffer for variable '%s'\n", key);
return 0;
}
bbs_node_var_set(node, key, buf);
return res;
}
/*! \brief Reverse lookup of a number */
static int reverse_lookup(struct queue_call_handle *qch)
{
char subbuf[256];
int res;
struct bbs_curl c = {
.forcefail = 1,
};
bbs_node_writef(qch->node, "REV LOOKUP: ");
if (qch->ani) {
/* Prepopulate the buffer with the caller's phone number, if available.
* To do so, spoof the input as if received from the node on the master,
* so that it will appear on the slave. */
bbs_debug(3, "Call associated, prepopulating '%lu' as default response\n", qch->ani);
/* Do these before node_read_variable does, or we'll lose it */
bbs_node_flush_input(qch->node);
bbs_node_buffer(qch->node);
bbs_dprintf(qch->node->amaster, "%lu", qch->ani);
}
res = node_read_variable(qch->node, "QUEUE_OTHER_NUMBER");
if (res <= 0) {
return res;
}
bbs_node_substitute_vars(qch->node, url_reverse_lookup, subbuf, sizeof(subbuf));
memset(&c, 0, sizeof(c));
c.url = subbuf;
if (bbs_curl_get(&c)) {
bbs_node_writef(qch->node, "Reverse Lookup unavailable\n");
} else {
json_error_t err;
json_t *json = json_loads(c.response, 0, &err);
bbs_curl_free(&c);
if (json) {
bbs_node_writef(qch->node, "*** REVERSE LOOKUP ***\n%-10s %s\n%-10s %s\n", "CNAM", json_object_string_value(json, "cnam"), "NBR OWNER", json_object_string_value(json, "owner"));
json_decref(json);
}
}
bbs_node_wait_key(qch->node, MIN_MS(2));
return 0;
}
/*! \brief Default handler with general options that apply to most calls */
static int handle_default(struct queue_call_handle *qch)
{
struct bbs_ncurses_menu menu;
char subtitle[96];
char opt;
struct bbs_curl c = {
.forcefail = 1,
};
bbs_node_clear_screen(qch->node);
bbs_ncurses_menu_init(&menu);
bbs_ncurses_menu_set_title(&menu, "OPERATOR POSITION SYSTEM");
/* Private network CVS (Caller Verification Status/Score) code */
if (!s_strlen_zero(variable_cvs)) {
int cvs;
char *val;
/* It would be more efficient to just get this once, when we request the other channel variables in mod_asterisk_queues,
* but this promotes better modularity since this is a queue-specific (or queue group specific) variable.
* XXX Maybe we can define variables we should request in mod_asterisk_queues? */
val = ami_action_getvar(bbs_ami_session(), variable_cvs, qch->channel);
cvs = atoi(S_IF(val));
free_if(val);
snprintf(subtitle, sizeof(subtitle), "%s\tII %02d [CVS %02d] (%s) %lu\n", qch->queuetitle, qch->ani2, cvs, qch->cnam, qch->ani);
} else {
snprintf(subtitle, sizeof(subtitle), "%s\tII %02d (%s) %lu\n", qch->queuetitle, qch->ani2, qch->cnam, qch->ani);
}
bbs_ncurses_menu_set_subtitle(&menu, subtitle);
if (!s_strlen_zero(url_reverse_lookup)) {
bbs_ncurses_menu_addopt(&menu, 'v', "Re[v]erse Lookup", NULL);
}
opt = bbs_ncurses_menu_getopt_selection(qch->node, &menu);
bbs_ncurses_menu_destroy(&menu);
if (opt == 0) {
return 0;
}
bbs_node_clear_screen(qch->node);
bbs_node_flush_input(qch->node); /* Seems to be necessary to drain unwanted pending input, for multiple options */
memset(&c, 0, sizeof(c));
/* Do variable replacement via node variable,
* to avoid format string injection.
* In theory, this doesn't need to be (and probably shouldn't be)
* the agent's node; if we used a temporary node, we could clean it up
* immediately afterwards. */
bbs_node_var_set_fmt(qch->node, "QUEUE_ANI", "%lu", qch->ani);
switch (opt) {
case 'v':
return reverse_lookup(qch);
default:
bbs_warning("Unhandled menu return %d?\n", opt);
}
bbs_node_wait_key(qch->node, MIN_MS(2));
return 0;
}
static int operator_dial_number(struct queue_call_handle *qch)
{
char othernum[32];
char agentchan[64];
char dialnum[38];
/* Node is already buffered here */
bbs_node_writef(qch->node, "\nSTATION-TO-STATION NBR TO DIAL: ");
if (bbs_node_readline(qch->node, MIN_MS(5), othernum, sizeof(othernum)) <= 0) {
return 0; /* If no number entered or other issue, just bail out */
}
/* At this point, the agent better be bridged to the caller. Otherwise, how'd we get a number? */
if (ami_action_getvar_buf(bbs_ami_session(), "BRIDGEPEER", qch->channel, agentchan, sizeof(agentchan))) { /* Get agent's channel (since they're bridged now) */
bbs_warning("Not connected to agent? Aborting.\n");
return -1;
}
if (!*othernum || !atoi(othernum)) {
bbs_debug(3, "Invalid number, aborting\n");
return 0;
}
/* Station-to-station call.
* For some reason, xfer context wants 2 digits, so **, then call type (1/2/3), then number, then # to terminate in case <7 digits. */
snprintf(dialnum, sizeof(dialnum), "w1%s%sw*2", othernum, strlen(othernum) < 7 ? "#" : "");
if (ami_action_response_result(bbs_ami_session(), ami_action_axfer(bbs_ami_session(), agentchan, dialnum, context_operator_xfer))) {
bbs_warning("Failed to set up attended transfer to %s\n", dialnum);
return -1;
}
bbs_node_writef(qch->node, "DIALED %s + RLS\n", othernum);
return 0;
}
/*! \brief 0+/0- operator calls */
static int handle_operator(struct queue_call_handle *qch)
{
struct bbs_ncurses_menu menu;
char subtitle[96];
char subbuf[256];
char opt;
int res;
struct bbs_curl c = {
.forcefail = 1,
};
bbs_node_clear_screen(qch->node);
bbs_ncurses_menu_init(&menu);
bbs_ncurses_menu_set_title(&menu, "OPERATOR POSITION SYSTEM");
/* Private network CVS (Caller Verification Status/Score) code */
if (!s_strlen_zero(variable_cvs)) {
int cvs;
char *val;
/* It would be more efficient to just get this once, when we request the other channel variables in mod_asterisk_queues,
* but this promotes better modularity since this is a queue-specific (or queue group specific) variable.
* XXX Maybe we can define variables we should request in mod_asterisk_queues? */
val = ami_action_getvar(bbs_ami_session(), variable_cvs, qch->channel);
cvs = atoi(S_IF(val));
free_if(val);
snprintf(subtitle, sizeof(subtitle), "OPERATOR 0 MINUS\tII %02d [CVS %02d] (%s) %lu -> %lu\n", qch->ani2, cvs, qch->cnam, qch->ani, qch->dnis);
} else {
snprintf(subtitle, sizeof(subtitle), "OPERATOR 0 MINUS\tII %02d (%s) %lu -> %lu\n", qch->ani2, qch->cnam, qch->ani, qch->dnis);
}
bbs_ncurses_menu_set_subtitle(&menu, subtitle);
if (!s_strlen_zero(url_time_of_day)) {
bbs_ncurses_menu_addopt(&menu, 'd', "Time of [D]ay", NULL);
}
if (!s_strlen_zero(url_local_exchanges)) {
bbs_ncurses_menu_addopt(&menu, 'l', "[L]ocal Exchanges", NULL);
}
if (!s_strlen_zero(url_rate_quote)) {
bbs_ncurses_menu_addopt(&menu, 'r', "[R]ate Quote", NULL);
}
if (!s_strlen_zero(context_operator_xfer)) {
bbs_ncurses_menu_addopt(&menu, 's', "[S]tation-to-Station", NULL);
}
if (!s_strlen_zero(url_reverse_lookup)) {
bbs_ncurses_menu_addopt(&menu, 'v', "Re[v]erse Lookup", NULL);
}
opt = bbs_ncurses_menu_getopt_selection(qch->node, &menu);
bbs_ncurses_menu_destroy(&menu);
if (opt == 0) {
return 0;
}
bbs_node_clear_screen(qch->node);
bbs_node_flush_input(qch->node); /* Seems to be necessary to drain unwanted pending input, for multiple options */
memset(&c, 0, sizeof(c));
/* Do variable replacement via node variable,
* to avoid format string injection.
* In theory, this doesn't need to be (and probably shouldn't be)
* the agent's node; if we used a temporary node, we could clean it up
* immediately afterwards. */
bbs_node_var_set_fmt(qch->node, "QUEUE_ANI", "%lu", qch->ani);
switch (opt) {
case 'd': /* Time of Day */
bbs_assert(!s_strlen_zero(url_time_of_day)); /* Wouldn't have added it as a valid option otherwise */
bbs_node_substitute_vars(qch->node, url_time_of_day, subbuf, sizeof(subbuf));
c.url = subbuf; /* This has to be after the substitution for some reason, or it'll still be empty when used */
if (bbs_curl_get(&c)) {
bbs_node_writef(qch->node, "Time of Day service unavailable\n");
} else {
char timebuf[48];
if (strlen_zero(c.response)) {
bbs_warning("Empty response from Time of Day service?\n");
}
for (;;) {
nonlocaltime(c.response, timebuf, sizeof(timebuf));
bbs_node_writef(qch->node, "\r%-2s %s\t\t%s", "TZ", c.response, timebuf);
/* Repeat time until interrupted */
if (bbs_node_poll(qch->node, SEC_MS(1))) {
break;
}
}
bbs_curl_free(&c);
return 0; /* User already hit a key */
}
break;
case 'l': /* Local Exchanges */
bbs_node_substitute_vars(qch->node, url_local_exchanges, subbuf, sizeof(subbuf));
c.url = subbuf;
if (bbs_curl_get(&c)) {
bbs_node_writef(qch->node, "Local Exchange lookup unavailable\n");
} else {
const char *key;
json_t *value;
json_error_t err;
json_t *json = json_loads(c.response, 0, &err);
bbs_curl_free(&c);
if (json) {
int same = 0;
const char *skey = NULL;
const char *pkey = NULL, *pcity = NULL, *pstate = NULL, *pcountry = NULL;
char output[96];
bbs_ncurses_menu_init(&menu);
bbs_ncurses_menu_set_title(&menu, "LOCAL CALLING AREA");
json_object_foreach(json, key, value) {
const char *city, *state, *country;
json_t *jcity = json_object_get(value, "city");
json_t *jstate = json_object_get(value, "state");
json_t *jcountry = json_object_get(value, "country");
city = json_string_value(jcity);
state = json_string_value(jstate);
country = json_string_value(jcountry);
same = 0;
if (pkey) {
const char *block1 = pkey + 3;
const char *block2 = key + 3;
/* Requiring conseuctive blocks for a row does mean
* if there are non-consecutive thousand blocks in the same NNX,
* they'll appear disjointly (in separate rows.
* Simply removing this is wrong since it'll fill in everything inbetween without further logic. */
if (!strncmp(key, pkey, 3) && (*block2 == *block1 + 1) && !strcmp(city, pcity)
&& ((!strlen_zero(state) && !strlen_zero(pstate) && !strcmp(state, pstate)) || (strlen_zero(state) && strlen_zero(pstate)))
&& !strcmp(country, pcountry)) {
/* Within an NNX, if all the info is the same for successive thousand blocks, print it out as such */
same = 1;
}
}
#define IN_RANGE(digit) ('0' + digit >= *(skey + 3) && '0' + digit <= *(pkey + 3) ? #digit : " ")
if (!same && skey) {
/* This is the start of something new... */
snprintf(output, sizeof(output), "%.3s %s %s %s %s %s %s %s %s %s %s %s %s %s", skey,
IN_RANGE(0), IN_RANGE(1), IN_RANGE(2), IN_RANGE(3), IN_RANGE(4), IN_RANGE(5), IN_RANGE(6), IN_RANGE(7), IN_RANGE(8), IN_RANGE(9),
pcountry, S_IF(pstate), pcity);
bbs_debug(3, "Adding opt: %s\n", output);
bbs_ncurses_menu_addopt(&menu, 0, output, NULL);
}
if (!same) {
skey = key;
}
bbs_debug(7, "%s [%d]: %s/%s/%s\n", key, same, city, S_IF(state), country);
pkey = key;
pcity = city;
pstate = state;
pcountry = country;
}
/* Print out the last one */
if (same && skey) {
snprintf(output, sizeof(output), "%.3s %s %s %s %s %s %s %s %s %s %s %s %s %s", skey,
IN_RANGE(0), IN_RANGE(1), IN_RANGE(2), IN_RANGE(3), IN_RANGE(4), IN_RANGE(5), IN_RANGE(6), IN_RANGE(7), IN_RANGE(8), IN_RANGE(9),
pcountry, S_IF(pstate), pcity);
bbs_ncurses_menu_addopt(&menu, 0, output, NULL);
#undef IN_RANGE
}
json_decref(json);
/* Use menu to display the result, but we don't actually need to get any input,
* so just discard the result. */
bbs_ncurses_menu_getopt(qch->node, &menu);
bbs_ncurses_menu_destroy(&menu);
return 0; /* Already exited menu by pressing a key */
}
}
break;
case 'r':
bbs_node_writef(qch->node, "OTHER NBR: ");
res = node_read_variable(qch->node, "QUEUE_OTHER_NUMBER");
if (res <= 0) {
return res;
}
bbs_node_substitute_vars(qch->node, url_rate_quote, subbuf, sizeof(subbuf));
c.url = subbuf;
if (bbs_curl_get(&c)) {
bbs_node_writef(qch->node, "Rate Quote System unavailable\n");
} else {
json_error_t err;
json_t *json = json_loads(c.response, 0, &err);
bbs_curl_free(&c);
if (json) {
json_t *direct, *station, *person, *collect;
const char *distance, *city, *state, *zip, *zip2;
int ratestep, addmin;
char output[512];
const char *othernum;
distance = json_string_value(json_object_get(json, "distance")); /* Safe to use if object_get returns NULL */
city = json_string_value(json_object_get(json, "city"));
state = json_string_value(json_object_get(json, "state"));
zip = json_string_value(json_object_get(json, "zip"));
zip2 = json_string_value(json_object_get(json, "zip2"));
ratestep = (int) json_number_value(json_object_get(json, "ratestep"));
addmin = (int) json_number_value(json_object_get(json, "addmin"));
direct = json_object_get(json, "direct");
station = json_object_get(json, "station");
person = json_object_get(json, "person");
collect = json_object_get(json, "collect");
#define CENTS_TO_DOLLARS(cents) (1.0 * cents / 100)
bbs_node_lock(qch->node);
othernum = bbs_node_var_get(qch->node, "QUEUE_OTHER_NUMBER");
snprintf(output, sizeof(output),
"%-10s %lu\n%-10s %s\n"
"%-10s %s (mi)\n%-10s %s\n%-10s %s\n%-10s %s\n%-10s %s\n"
"%-10s %d\n%-10s %d\n"
"%-13s %5s %5s %5s\n"
"%-13s %5d $%.2f %5d\n" "%-13s %5d $%.2f %5d\n" "%-13s %5d $%.2f %5d\n" "%-13s %5d $%.2f %5d\n",
"CLG NO", qch->ani, "CLD NO", othernum,
"DISTANCE", distance, "CITY", city, "STATE", state, "ZIP1", zip, "ZIP2", zip2,
"RATE STEP", ratestep, "PER MIN", addmin,
"CALL TYPE", "CODE", "BASE", "MIN",
"DIRECT", json_object_int_value(direct, "ratecode"), CENTS_TO_DOLLARS(json_object_number_value(direct, "base")), json_object_int_value(direct, "basemin"),
"STATION", json_object_int_value(station, "ratecode"), CENTS_TO_DOLLARS(json_object_number_value(station, "base")), json_object_int_value(station, "basemin"),
"PERSON", json_object_int_value(person, "ratecode"), CENTS_TO_DOLLARS(json_object_number_value(person, "base")), json_object_int_value(person, "basemin"),
"COLLECT", json_object_int_value(collect, "ratecode"), CENTS_TO_DOLLARS(json_object_number_value(collect, "base")), json_object_int_value(collect, "basemin")
);
bbs_node_unlock(qch->node);
json_decref(json);
bbs_node_writef(qch->node, "%s", output);
}
}
break;
case 's':
bbs_node_buffer(qch->node);
operator_dial_number(qch);
bbs_node_unbuffer(qch->node);
break;
/*! \todo add options for person-to-person, collect calls */
case 'v':
return reverse_lookup(qch);
default:
bbs_warning("Unhandled menu return %d?\n", opt);
}
bbs_node_wait_key(qch->node, MIN_MS(2));
return 0;
}
static int handle_intercept(struct queue_call_handle *qch)
{
char othernum[32];
char url[256];
int res;
struct bbs_curl c = {
.forcefail = 1,
};
bbs_node_clear_screen(qch->node);
bbs_node_writef(qch->node, "*** SPECIAL OPERATOR ***\nDNIS: %lu\nNBR DIALED: ", qch->dnis);
res = node_read_variable(qch->node, "QUEUE_DIALED_NUMBER");
if (res <= 0) {
return res;
}
if (!s_strlen_zero(variable_intercepted_num)) {
/* If we don't get here before the agent hangs up,
* trigger a recording to play on the channel,
* which will happen if this variable is not set. */
ami_action_setvar(bbs_ami_session(), variable_intercepted_num, othernum, qch->channel);
}
bbs_node_substitute_vars(qch->node, url_intercept_lookup, url, sizeof(url));
c.url = url;
if (bbs_curl_get(&c)) {
bbs_node_writef(qch->node, "Intercept lookup unavailable\n");
} else {
int exists = c.response[0] == '1';
bbs_curl_free(&c);
bbs_node_writef(qch->node, "%s\n", exists ? "WORKING NBR - DIAL AGAIN PLS" : "NO SUCH NBR - CHK AND REDIAL");
}
bbs_node_wait_key(qch->node, MIN_MS(2));
return 0;
}
/* (NPA) NXX-XXXX */
#define NANPA_FORMATTED_NUMBER_BUF_SIZE 15
/* gcc thinks the strcpy at the end of this function could exceed the buffer,
* but it can't, since we copy no more than 4 characters + NUL at that point */
#pragma GCC diagnostic ignored "-Warray-bounds"
#pragma GCC diagnostic ignored "-Wstringop-overflow"
/*! \note This function is NOT SAFE to call with a buffer size smaller than NANPA_FORMATTED_NUMBER_BUF_SIZE */
static void format_nanpa_number(const char *number, char *restrict buf, size_t len)
{
size_t numlen;
if (strlen_zero(number)) {
*buf = '\0';
return;
}
numlen = strlen(number);
if (numlen > 11 || (numlen == 11 && *number != '1')) {
/* Not valid NANPA number */
safe_strncpy(buf, number, len);
return;
}
bbs_assert(len >= NANPA_FORMATTED_NUMBER_BUF_SIZE);
if (numlen == 11) {
number++;
numlen--;
}
bbs_assert(numlen <= 10);
if (numlen > 7) {
size_t digits = numlen - 7;
if (numlen >= 10) {
*buf++ = '(';
}
memcpy(buf, number, digits); /* Area code */
buf += digits;
number += digits;
if (numlen >= 10) {
*buf++ = ')';
}
*buf++ = ' ';
numlen = 7;
}
if (numlen > 4) {
size_t digits = numlen - 4;
memcpy(buf, number, digits); /* Exchange */
buf += digits;
number += digits;
*buf++ = '-';
}
strcpy(buf, number); /* Line number digits */
}
/*!
* \brief Obtain the city ID for the requested location
* \param qch
* \retval -2 on failure, abort
* \retval -1 if no matching results, try again
* \retval 0 for nationwide search (XXX)
* \return Positive city ID
*/
static int get_directory_location(struct queue_call_handle *qch)
{
char *city = NULL, *state = NULL;
char citystate[32];
char fullcity[96];
char fullstate[3];
char title[54];
char url[512];
struct bbs_ncurses_menu menu;
struct bbs_curl c = {
.forcefail = 1,
};
int res, cityid = 0; /* MAX(id) can fit in an int */
bbs_node_flush_input(qch->node);
bbs_node_buffer(qch->node);
bbs_node_writef(qch->node, "CTY.ST: ");
res = bbs_node_readline(qch->node, MIN_MS(5), citystate, sizeof(citystate));
if (res <= 0) {
return res;
}
if (!strcasecmp(citystate, "XXX.")) {
city = state = NULL; /* Wildcard location */
} else {
if (s_strlen_zero(citystate)) {
/* Just hit ENTER, abort */
return -2;
}
city = citystate;
state = strchr(city, '.');
if (state) {
*state++ = '\0';
bbs_str_toupper(state); /* Capitalize state fully */
}
*city = (char) toupper(*city); /* Capitalize city */
}
/* Got a location (or wildcard). */
if (!strlen_zero(city)) {
/* Specific city. Retrieve list of city/[state]. Try using state, fall back to country. */
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_CITY", city);
if (!strlen_zero(state)) {
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_STATE", state);
}
bbs_node_substitute_vars(qch->node, url_directory_location, url, sizeof(url));
bbs_debug(3, "URL: %s\n", url);
c.url = url;
if (bbs_curl_get(&c)) {
bbs_warning("City lookup unavailable\n");
return -2;
} else {
const char *key;
char opt;
json_t *value;
json_error_t err;
json_t *json = json_loads(c.response, 0, &err);
bbs_curl_free(&c);
if (!json) {
/* No matches */
return -1;
}
bbs_ncurses_menu_init(&menu);
opt = 'A';
json_object_foreach(json, key, value) {
char optbuf[256];
snprintf(optbuf, sizeof(optbuf), "[%c] %d %2s %2s %s",
opt <= 'Z' ? opt : ' ',
json_object_int_value(value, "id"),
json_object_string_value(value, "country"),
json_object_string_value(value, "state"),
json_object_string_value(value, "city"));
bbs_ncurses_menu_addopt(&menu, opt <= 'Z' ? opt : 0, optbuf, NULL);
if (opt <= 'Z') {
/* Don't increment after we run out,
* otherwise a char could wrap back around to 'A' eventually. */
opt++;
}
}
if (opt > 'A') {
int index = 0;
/* Menu contains items. */
snprintf(title, sizeof(title), "KEYED:%s.%s", city, S_IF(state));
bbs_ncurses_menu_set_title(&menu, title);
res = bbs_ncurses_menu_getopt(qch->node, &menu);
bbs_ncurses_menu_destroy(&menu);
if (res < 0) {
json_decref(json);
return -2;
}
/* Find the option at this index again to extract the city and state */
json_object_foreach(json, key, value) {
if (index++ == res) {
/* This is the option chosen. Extract city/state with full, actual names,
* not just the starts. */
cityid = json_object_int_value(value, "id");
safe_strncpy(fullcity, json_object_string_value(value, "city"), sizeof(fullcity));
if (json_object_string_value(value, "state")) {
safe_strncpy(fullstate, json_object_string_value(value, "state"), sizeof(fullstate));
} else {
safe_strncpy(fullstate, json_object_string_value(value, "country"), sizeof(fullstate));
}
city = fullcity;
state = fullstate;
break;
}
}
}
json_decref(json);
}
if (!cityid) {
bbs_warning("Missing City ID\n");
return -1;
}
} /* else, if "XXX." was entered, it's okay to not have a City ID here */
return cityid;
}
enum directory_search_type {
DIRECTORY_SEARCH_RES = (1 << 0),
DIRECTORY_SEARCH_BUS = (1 << 1),
DIRECTORY_SEARCH_REV = (1 << 2),
DIRECTORY_SEARCH_PNET = (1 << 3),
};
static int handle_directory(struct queue_call_handle *qch)
{
char agentchan[256];
/* https://www.telephonetribute.com/todays_operator.html
The first 3 letters of the city, then a period, then the 2 letter state abbrev. Some examples are below.
LOU.KY. < - Louisville, Kentucky
ANN.AL. < - Anniston, Alabama
ATL.GA. < - Atlanta, Georgia
XXX. < - Nationwide Search (prohibited for operators, only for supervisor use.)
AMI. <Searches nation for any city starting with the letters A, M or I.)
Once the operator keys in the city, she or he then presses the CTY/STT key. A List of all found cities matching this criteria is displayed. An example is shown below.
KEYED: ANN.AL.
A - Anniston
B - Anniemanie
C - Annitock
D - Area 205
E - Calhoun County
For Anniston, the operator would press "A".
Then she keys in the listing. This is done in the same manner. First 3 letters of the first word, First 3 letters of the second word.
Take Office Depot. You would key it in like this "OFF.DEP." A Listing in that city would appear:
CUR.CITY: ANNISTON, ALABAMA (AREA 205, ANNISTON-CALHOUN COUNTY)
LSTN: OFF.DEP.
A-Office Depot 505 Bernard Ave. 205-238-5092
B-Office Depot 912 Alexandra.Av. 256-999-2918
A or B? <A/B> TOLL: $1.90
In this screen the operator requests the street name of the listing. "Would you like the Office Depot on Bernard Avenue or Alexandria Ave?", then selecting the appropriate listing, by pressing A or B. Then AUTO/VBL. or HANDOFF on certain keyboards
The customer is then charged $1.90. (whew!), they are then connected with the ARU. <Audio Response Unit>. This unit will read the following sentence twice, offer completion, then disconnect. */
if (s_strlen_zero(url_directory_location)) {
bbs_warning("Missing required variables for directory lookup\n");
return -1;
}
if (ami_action_getvar_buf(bbs_ami_session(), "BRIDGEPEER", qch->channel, agentchan, sizeof(agentchan))) { /* Get agent's channel (since they're bridged now) */
bbs_warning("Not connected to agent? Aborting.\n");
return -1;
}
for (;;) {
int res;
char outputbuf[256];
char listing[48];
char url[512];
char title[54];
struct bbs_ncurses_menu menu;
struct bbs_curl c = {
.forcefail = 1,
};
enum directory_search_type stype;
int cityid; /* MAX(id) can fit in an int */
/* Reset variables from any previous queues */
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_CITY", "");
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_STATE", "");
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_FIRST", "");
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_LAST", "");
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_LISTING", "");
/* QUEUE_DIRECTORY_SEARCH_TYPE is always set explicitly so no need to reset here */
bbs_node_flush_input(qch->node);
bbs_node_clear_screen(qch->node); /* Clear screen so there's nothing to restore after running the location menu */
cityid = get_directory_location(qch);
if (cityid == -2) {
break;
} else if (cityid == -1) {
continue;
}
/* Don't clear screen, that way CTY.ST will still be present after selecting type */
/* What type of search?
* Directory assistance supports the following:
* - Residential (by name and location)
* - Business (by name and location)
* - Reverse Lookup (by phone number or address/city/state)
*
* Location nominally includes a city and state, but can also include a street address.
* Here, both PSTN directory searches and private network searches are options.
*/
bbs_ncurses_menu_init(&menu);
bbs_ncurses_menu_set_title(&menu, "Search Type");
/* Public network results */
bbs_ncurses_menu_addopt(&menu, 'R', "[R] Residential", NULL);
bbs_ncurses_menu_addopt(&menu, 'B', "[B] Business", NULL);
bbs_ncurses_menu_addopt(&menu, 'N', "[N] Reverse Lookup", NULL);
/* Private network results */
bbs_ncurses_menu_addopt(&menu, 'P', "[P] PNET - Residential", NULL);
bbs_ncurses_menu_addopt(&menu, 'O', "[O] PNET - Business", NULL);
bbs_ncurses_menu_addopt(&menu, 'Q', "[Q] PNET - Reverse Lookup", NULL);
res = bbs_ncurses_menu_getopt(qch->node, &menu);
bbs_ncurses_menu_destroy(&menu);
switch (res) {
case 0:
stype = DIRECTORY_SEARCH_RES;
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_SEARCH_TYPE", "RESIDENTIAL");
break;
case 1:
stype = DIRECTORY_SEARCH_BUS;
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_SEARCH_TYPE", "BUSINESS");
break;
case 2:
stype = DIRECTORY_SEARCH_REV;
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_SEARCH_TYPE", "REVERSE_LOOKUP");
break;
case 3:
stype = DIRECTORY_SEARCH_RES | DIRECTORY_SEARCH_PNET;
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_SEARCH_TYPE", "PNET_RESIDENTIAL");
break;
case 4:
stype = DIRECTORY_SEARCH_BUS | DIRECTORY_SEARCH_PNET;
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_SEARCH_TYPE", "PNET_BUSINESS");
break;
case 5:
stype = DIRECTORY_SEARCH_REV | DIRECTORY_SEARCH_PNET;
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_SEARCH_TYPE", "PNET_REVERSE_LOOKUP");
break;
default:
bbs_warning("Unexpected menu return %d\n", res);
/* Fall through */
case -1:
return 0;
}
/* Now have a city and state (via city ID) (or not, for XXX). Next, get the listing. */
bbs_node_flush_input(qch->node);
bbs_node_buffer(qch->node);
if (stype & DIRECTORY_SEARCH_REV) {
bbs_node_writef(qch->node, stype & DIRECTORY_SEARCH_PNET ? "LSTN (NBR): " : "LSTN (NBR / ADDRESS)");
if (stype & DIRECTORY_SEARCH_PNET) {
}
} else {
bbs_node_writef(qch->node, "LSTN: ");
}
res = bbs_node_readline(qch->node, MIN_MS(2), listing, sizeof(listing));
if (res <= 0) {
return res;
}
if (s_strlen_zero(listing)) {
/* This could return a huge number of results.
* Don't allow it. */
bbs_node_writef(qch->node, "Empty listing search disallowed\n");
continue;
}
if (stype & DIRECTORY_SEARCH_RES) {
char *first, *last;
last = listing;
first = strsep(&last, ".");
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_FIRST", first);
if (!strlen_zero(last)) {
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_LAST", last);
}
snprintf(title, sizeof(title), "LSTN:%s.%s", first, S_IF(last));
} else {
/* Business listing, or phone number to reverse lookup */
bbs_node_var_set(qch->node, "QUEUE_DIRECTORY_LISTING", listing);
snprintf(title, sizeof(title), "LSTN:%s", listing);
}
bbs_node_substitute_vars(qch->node, url_directory_lookup, url, sizeof(url));
/* We should technically do a proper URL encode here,
* to avoid forming an illegal URL, but the syntax
* of first.last somewhat precludes that. */
memset(&c, 0, sizeof(c));
c.url = url;
if (bbs_curl_get(&c)) {
bbs_node_writef(qch->node, "Directory lookup unavailable\n");
break;
} else {
size_t index;
int main_number = 0;
char number[32];
char listingname[64];
char opt;
int optindex;
const char *city = NULL, *state = NULL;
json_t *value;
json_error_t err;
json_t *json = json_loads(c.response, 0, &err);
bbs_curl_free(&c);
if (!json) {
/* No results. Ask again or abort. */
bbs_node_writef(qch->node, "NO RECORDS FOUND\n");
bbs_node_wait_key(qch->node, MIN_MS(2));
bbs_node_writef(qch->node, "\n");
continue;
}
bbs_ncurses_menu_init(&menu);
opt = 'A';
json_array_foreach(json, index, value) {
/* We have 73 columns actually available for the menu, ideally 72, to leave a space on the RHS.
* A few columns are needed for column spacing, leaving us slightly less than that for data.
*
* For regular, omit the keybinding and the phone number.
* For PNET, omit the address.
*
* For PNET: 4 + 26 + 20 + 2 + 5 + 10 = 66 + 5 = 72
* Regular: 23 + 21 + 17 + 2 + 5 = 68 + 4 = 72
*/
if (stype & DIRECTORY_SEARCH_PNET) {
snprintf(outputbuf, sizeof(outputbuf), "[%c] %-26.26s %20.20s %2.2s %5.5s %10.10s",
opt <= 'Z' ? opt : ' ',
json_object_string_value(value, "listing"), /* Print max of 28 characters, and no more */
S_IF(json_object_string_value(value, "city")),
S_IF(json_object_string_value(value, "state")),
S_IF(json_object_string_value(value, "zip")),
json_object_string_value(value, "number"));
} else {
/* Skip the keybinding to save 4 charaacters, since there's a lot to print.
* Also, omit the telephone number. */
snprintf(outputbuf, sizeof(outputbuf), "%-23.23s %-21.21s %17.17s %2.2s %5.5s",
json_object_string_value(value, "listing"), /* Print max of 28 characters, and no more */
S_IF(json_object_string_value(value, "address")),
S_IF(json_object_string_value(value, "city")),
S_IF(json_object_string_value(value, "state")),
S_IF(json_object_string_value(value, "zip")));
}
bbs_ncurses_menu_addopt(&menu, opt <= 'Z' && (stype & DIRECTORY_SEARCH_PNET) ? opt : 0, outputbuf, NULL);
if (opt <= 'Z') {
opt++;
}
}
if (opt == 'A') {
bbs_node_writef(qch->node, "NO RECORDS FOUND\n");
bbs_node_wait_key(qch->node, MIN_MS(2));
bbs_node_writef(qch->node, "\n");
continue;
}
bbs_node_clear_screen(qch->node); /* Clear screen so there's nothing to restore after running the listing menu */
/* At least 1 record found */
bbs_ncurses_menu_set_title(&menu, title);
res = bbs_ncurses_menu_getopt(qch->node, &menu);
bbs_ncurses_menu_destroy(&menu);
if (res < 0) {
json_decref(json);
return 0;
}
/* See which listing was selected. */
optindex = 0;
json_array_foreach(json, index, value) {
if (optindex++ == res) {
const char *listingval = json_object_string_value(value, "listing");
safe_strncpy(listingname, listingval, sizeof(listingname));
safe_strncpy(number, json_object_string_value(value, "number"), sizeof(number));
main_number = !strlen_zero(listingval) && strstr(listingval, "Primary");
city = json_object_string_value(value, "city");
state = json_object_string_value(value, "state");
break;
}