tox-weechat/src/tox-weechat-identities.c

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#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <arpa/inet.h>
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#include <pwd.h>
#include <unistd.h>
#include <weechat/weechat-plugin.h>
#include <tox/tox.h>
#include "tox-weechat.h"
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#include "tox-weechat-config.h"
#include "tox-weechat-chats.h"
#include "tox-weechat-tox-callbacks.h"
#include "tox-weechat-utils.h"
#include "tox-weechat-identities.h"
struct t_tox_weechat_identity *tox_weechat_identities = NULL;
struct t_tox_weechat_identity *tox_weechat_last_identity = NULL;
char *
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tox_weechat_identity_data_file_path(struct t_tox_weechat_identity *identity)
{
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// expand path
const char *weechat_dir = weechat_info_get ("weechat_dir", NULL);
const char *base_path = weechat_config_string(identity->options[TOX_WEECHAT_IDENTITY_OPTION_SAVEFILE]);
char *home_expanded = weechat_string_replace(base_path, "%h", weechat_dir);
char *full_path = weechat_string_replace(home_expanded, "%n", identity->name);
free(home_expanded);
return full_path;
}
int
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tox_weechat_load_identity_data_file(struct t_tox_weechat_identity *identity)
{
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char *full_path = tox_weechat_identity_data_file_path(identity);
FILE *file = fopen(full_path, "r");
free(full_path);
if (file)
{
// get file size
fseek(file, 0, SEEK_END);
size_t size = ftell(file);
rewind(file);
// allocate a buffer and read file into it
uint8_t *data = malloc(sizeof(*data) * size);
fread(data, sizeof(uint8_t), size, file);
fclose(file);
// try loading the data
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int status = tox_load(identity->tox, data, size);
free(data);
return status;
}
return -1;
}
int
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tox_weechat_save_identity_data_file(struct t_tox_weechat_identity *identity)
{
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char *full_path = tox_weechat_identity_data_file_path(identity);
// save Tox data to a buffer
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uint32_t size = tox_size(identity->tox);
uint8_t *data = malloc(sizeof(*data) * size);
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tox_save(identity->tox, data);
// save buffer to a file
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FILE *file = fopen(full_path, "w");
if (file)
{
fwrite(data, sizeof(data[0]), size, file);
fclose(file);
return 0;
}
return -1;
}
int
tox_weechat_identity_buffer_close_callback(void *data,
struct t_gui_buffer *buffer)
{
struct t_tox_weechat_identity *identity = data;
identity->buffer = NULL;
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tox_weechat_identity_disconnect(identity);
return WEECHAT_RC_OK;
}
#define BOOTSTRAP_ADDRESS "192.254.75.98"
#define BOOTSTRAP_PORT 33445
#define BOOTSTRAP_KEY "951C88B7E75C867418ACDB5D273821372BB5BD652740BCDF623A4FA293E75D2F"
int
tox_weechat_bootstrap_tox(Tox *tox, char *address, uint16_t port, char *public_key)
{
char *binary_key = malloc(TOX_FRIEND_ADDRESS_SIZE);
tox_weechat_hex2bin(public_key, binary_key);
int result = tox_bootstrap_from_address(tox,
address,
htons(port),
(uint8_t *)binary_key);
free(binary_key);
return result;
}
struct t_tox_weechat_identity *
tox_weechat_identity_new(const char *name)
{
struct t_tox_weechat_identity *identity = malloc(sizeof(*identity));
identity->name = strdup(name);
// add to identity list
identity->prev_identity= tox_weechat_last_identity;
identity->next_identity = NULL;
if (tox_weechat_identities == NULL)
tox_weechat_identities = identity;
else
tox_weechat_last_identity->next_identity = identity;
tox_weechat_last_identity = identity;
// set up internal vars
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identity->tox = NULL;
identity->buffer = NULL;
identity->tox_do_timer = NULL;
identity->chats = identity->last_chat = NULL;
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// TODO: load from disk
identity->friend_requests = identity->last_friend_request = NULL;
identity->friend_request_count = 0;
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// set up config
tox_weechat_config_init_identity(identity);
return identity;
}
void
tox_weechat_identity_connect(struct t_tox_weechat_identity *identity)
{
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if (identity->tox)
return;
// create main buffer
identity->buffer = weechat_buffer_new(identity->name,
NULL, NULL,
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tox_weechat_identity_buffer_close_callback, identity);
// create Tox
identity->tox = tox_new(NULL);
// try loading Tox saved data
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if (tox_weechat_load_identity_data_file(identity) == -1)
{
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// we failed to load - set an initial name
char *name;
struct passwd *user_pwd;
if ((user_pwd = getpwuid(geteuid())))
name = user_pwd->pw_name;
else
name = "Tox User";
tox_set_name(identity->tox,
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(uint8_t *)name, strlen(name));
}
// bootstrap DHT
tox_weechat_bootstrap_tox(identity->tox, BOOTSTRAP_ADDRESS,
BOOTSTRAP_PORT,
BOOTSTRAP_KEY);
// start Tox_do loop
tox_weechat_do_timer_cb(identity, 0);
// register Tox callbacks
tox_callback_friend_message(identity->tox, tox_weechat_friend_message_callback, identity);
tox_callback_friend_action(identity->tox, tox_weechat_friend_action_callback, identity);
tox_callback_connection_status(identity->tox, tox_weechat_connection_status_callback, identity);
tox_callback_name_change(identity->tox, tox_weechat_name_change_callback, identity);
tox_callback_user_status(identity->tox, tox_weechat_user_status_callback, identity);
tox_callback_status_message(identity->tox, tox_weechat_status_message_callback, identity);
tox_callback_friend_request(identity->tox, tox_weechat_callback_friend_request, identity);
}
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void
tox_weechat_identity_disconnect(struct t_tox_weechat_identity *identity)
{
// check that we're not already disconnected
if (!identity->tox)
return;
// save and kill tox
int result = tox_weechat_save_identity_data_file(identity);
tox_kill(identity->tox);
identity->tox = NULL;
if (result == -1)
{
char *path = tox_weechat_identity_data_file_path(identity);
weechat_printf(NULL,
"%s%s: Could not save Tox identity %s to file: %s",
weechat_prefix("error"),
weechat_plugin->name,
identity->name,
path);
free(path);
}
// stop Tox timer
weechat_unhook(identity->tox_do_timer);
}
void
tox_weechat_identity_autoconnect()
{
for (struct t_tox_weechat_identity *identity = tox_weechat_identities;
identity;
identity = identity->next_identity)
{
if (weechat_config_boolean(identity->options[TOX_WEECHAT_IDENTITY_OPTION_AUTOCONNECT]))
tox_weechat_identity_connect(identity);
}
}
struct t_tox_weechat_identity *
tox_weechat_identity_name_search(const char *name)
{
for (struct t_tox_weechat_identity *identity = tox_weechat_identities;
identity;
identity = identity->next_identity)
{
if (weechat_strcasecmp(identity->name, name) == 0)
return identity;
}
return NULL;
}
struct t_tox_weechat_identity *
tox_weechat_identity_for_buffer(struct t_gui_buffer *buffer)
{
for (struct t_tox_weechat_identity *identity = tox_weechat_identities;
identity;
identity = identity->next_identity)
{
if (identity->buffer == buffer)
return identity;
for (struct t_tox_weechat_chat *chat = identity->chats;
chat;
chat = chat->next_chat)
{
if (chat->buffer == buffer)
return identity;
}
}
return NULL;
}
void
tox_weechat_identity_free(struct t_tox_weechat_identity *identity)
{
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// disconnect
tox_weechat_identity_disconnect(identity);
// remove from list
if (identity == tox_weechat_last_identity)
tox_weechat_last_identity = identity->prev_identity;
if (identity->prev_identity)
identity->prev_identity->next_identity = identity->next_identity;
else
tox_weechat_identities = identity->next_identity;
if (identity->next_identity)
identity->next_identity->prev_identity = identity->prev_identity;
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// TODO: free more things
free(identity->name);
free(identity);
}
void
tox_weechat_identity_free_all()
{
while (tox_weechat_identities)
tox_weechat_identity_free(tox_weechat_identities);
}