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refactoring project structure

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This commit is contained in:
Francesco
2025-05-21 12:27:03 +02:00
parent af71544585
commit b2592d7334
12 changed files with 462 additions and 428 deletions
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27
src/json.c Normal file
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@@ -0,0 +1,27 @@
#include "json.h"
json_object *tgbot_new_inlinekeyboardmarkup(tgbot_inlinekeyboardmarkup **keyboard, size_t rows, size_t columns) {
json_object *reply_markup = json_object_new_object();
json_object *inline_keyboard_array = json_object_new_array();
for (size_t i = 0; i < rows; ++i) {
json_object *row = json_object_new_array();
for (size_t j = 0; j < columns; ++j) {
if (strcmp(keyboard[i][j].text, "") == 0) {
continue;
}
json_object *button = json_object_new_object();
json_object_object_add(button, "text", json_object_new_string(keyboard[i][j].text));
json_object_object_add(button, "url", json_object_new_string(keyboard[i][j].url));
json_object_object_add(button, "callback_data", json_object_new_string(keyboard[i][j].callback_data));
json_object_array_add(row, button);
}
json_object_array_add(inline_keyboard_array, row);
}
json_object_object_add(reply_markup, "inline_keyboard", inline_keyboard_array);
return reply_markup;
}

5
src/meson.build
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@@ -1,3 +1,6 @@
sources += files(
'json.c',
'methods.c',
'tgbot.c',
)
'types.c',
)

268
src/methods.c Normal file
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@@ -0,0 +1,268 @@
#include <curl/curl.h>
#include "json.h"
#include "methods.h"
tgbot_rc tgbot_get_update(tgbot *bot, tgbot_update *update, Callback cbq_handler) {
char url[1024];
/* Clear Update */
memset(update, 0, sizeof(tgbot_update));
json_object *rjson = json_object_new_object();
json_object_object_add(rjson, "offset", json_object_new_int64(bot->offset));
json_object_object_add(rjson, "limit", json_object_new_int(1));
json_object_object_add(rjson, "timeout", json_object_new_int(30));
snprintf(url, sizeof(url), "%sgetUpdates", bot->api);
struct memory_buffer *mb;
tgbot_rc ret = tgbot_request(bot, url, &mb, rjson);
json_object_put(rjson);
if (ret != TGBOT_OK) {
free(mb->data);
free(mb);
return TGBOT_GETUPDATES_ERROR;
}
json_object *json = json_tokener_parse(mb->data);
free(mb->data);
free(mb);
json_object *ok = json_object_object_get(json, "ok");
if (!json_object_is_type(ok, json_type_boolean) || !json_object_get_boolean(ok)) {
json_object_put(json);
return TGBOT_TELEGRAM_OK_ERROR;
}
json_object *results = json_object_object_get(json, "result");
size_t results_len = json_object_array_length(results);
if (results_len == 0) {
json_object_put(json);
return TGBOT_OK;
}
/* Check if it is a Message or a CallbackQuery*/
json_object *result = json_object_array_get_idx(results, 0);
json_object *message = json_object_object_get(result, "message");
if (message) {
tgbot_parse_message(bot, update, result);
} else {
tgbot_cbquery query;
tgbot_parse_cbquery(bot, &query, result, cbq_handler);
}
json_object_put(json);
return TGBOT_OK;
}
tgbot_rc tgbot_parse_message(tgbot *bot, tgbot_update *update, json_object *result) {
json_object *update_id = json_object_object_get(result, "update_id");
bot->offset = json_object_get_int(update_id) + 1;
update->update_id = json_object_get_int(update_id);
json_object *message = json_object_object_get(result, "message");
json_object *message_id = json_object_object_get(message, "message_id");
update->message_id = json_object_get_int(message_id);
json_object *chat = json_object_object_get(message, "chat");
json_object *chat_id = json_object_object_get(chat, "id");
update->chat_id = json_object_get_int64(chat_id);
json_object *chat_first_name = json_object_object_get(chat, "first_name");
strncpy(update->chat_first_name, json_object_get_string(chat_first_name), sizeof(update->chat_first_name) - 1);
json_object *chat_last_name = json_object_object_get(chat, "last_name");
if (chat_last_name != NULL) {
strncpy(update->chat_last_name, json_object_get_string(chat_last_name), sizeof(update->chat_last_name) - 1);
} else {
update->chat_last_name[0] = '\0';
}
json_object *chat_username = json_object_object_get(chat, "username");
if (chat_username != NULL) {
strncpy(update->chat_username, json_object_get_string(chat_username), sizeof(update->chat_username) - 1);
} else {
update->chat_username[0] = '\0';
}
json_object *chat_type = json_object_object_get(chat, "type");
strncpy(update->chat_type, json_object_get_string(chat_type), sizeof(update->chat_type) - 1);
json_object *date = json_object_object_get(message, "date");
update->date = json_object_get_int(date);
json_object *text = json_object_object_get(message, "text");
strncpy(update->text, json_object_get_string(text), sizeof(update->text) - 1);
return TGBOT_OK;
}
tgbot_rc tgbot_parse_cbquery(tgbot *bot, tgbot_cbquery *query, json_object *result, Callback cbq_handler) {
json_object *update_id = json_object_object_get(result, "update_id");
bot->offset = json_object_get_int(update_id) + 1;
query->update_id = json_object_get_int(update_id);
json_object *callback_query = json_object_object_get(result, "callback_query");
json_object *message = json_object_object_get(callback_query, "message");
json_object *message_id = json_object_object_get(message, "message_id");
query->message_id = json_object_get_int(message_id);
json_object *chat = json_object_object_get(message, "chat");
json_object *chat_id = json_object_object_get(chat, "id");
query->chat_id = json_object_get_int64(chat_id);
json_object *chat_username = json_object_object_get(chat, "username");
/* TODO: add NULL checks */
strncpy(query->chat_username, json_object_get_string(chat_username), sizeof(query->chat_username) - 1);
json_object *date = json_object_object_get(message, "date");
query->date = json_object_get_int(date);
json_object *text = json_object_object_get(message, "text");
strncpy(query->text, json_object_get_string(text), sizeof(query->text) - 1);
json_object *chat_instance = json_object_object_get(callback_query, "chat_instance");
strncpy(query->chat_instance, json_object_get_string(chat_instance), sizeof(query->chat_instance) - 1);
json_object *data = json_object_object_get(callback_query, "data");
strncpy(query->data, json_object_get_string(data), sizeof(query->data) - 1);
cbq_handler(bot, query);
return TGBOT_OK;
}
size_t write_callback(void *ptr, size_t size, size_t nmemb, char **userdata) {
size_t real_size = size * nmemb;
struct memory_buffer *mem = (struct memory_buffer *)userdata;
mem->data = realloc(mem->data, mem->size + real_size + 1);
memcpy(&(mem->data[mem->size]), ptr, real_size);
mem->size += real_size;
mem->data[mem->size] = '\0';
return real_size;
}
tgbot_rc tgbot_request(tgbot *bot, char *url, struct memory_buffer **mb, json_object *json) {
const char *json_string = NULL;
*mb = calloc(1, sizeof(struct memory_buffer));
struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, "Accept: application/json");
headers = curl_slist_append(headers, "Content-Type: application/json");
curl_easy_setopt(bot->curl, CURLOPT_URL, url);
curl_easy_setopt(bot->curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(bot->curl, CURLOPT_WRITEFUNCTION, (curl_write_callback)write_callback);
curl_easy_setopt(bot->curl, CURLOPT_WRITEDATA, *mb);
curl_easy_setopt(bot->curl, CURLOPT_SSL_VERIFYPEER, 0L);
curl_easy_setopt(bot->curl, CURLOPT_TCP_KEEPALIVE, 30L);
if (json != NULL) {
json_string = json_object_to_json_string_ext(json, JSON_C_TO_STRING_PLAIN);
curl_easy_setopt(bot->curl, CURLOPT_POSTFIELDS, json_string);
}
CURLcode res = curl_easy_perform(bot->curl);
curl_slist_free_all(headers);
if (res != CURLE_OK) {
free((*mb)->data);
free(*mb);
*mb = NULL;
return TGBOT_REQUEST_ERROR;
}
return TGBOT_OK;
}
tgbot_rc tgbot_get_me(tgbot *bot, tgbot_me *me) {
char url[1024];
snprintf(url, sizeof(url), "%sgetMe", bot->api);
struct memory_buffer *mb;
tgbot_rc ret = tgbot_request(bot, url, &mb, NULL);
if (ret != TGBOT_OK) {
free(mb->data);
free(mb);
return TGBOT_GETME_ERROR;
}
json_object *json = json_tokener_parse(mb->data);
free(mb->data);
free(mb);
json_object *ok = json_object_object_get(json, "ok");
if (!json_object_get_boolean(ok)) {
json_object_put(json);
return TGBOT_GETME_ERROR;
}
json_object *result = json_object_object_get(json, "result");
json_object *first_name = json_object_object_get(result, "first_name");
strncpy(me->first_name, json_object_get_string(first_name), sizeof(me->first_name) - 1);
json_object *username = json_object_object_get(result, "username");
strncpy(me->username, json_object_get_string(username), sizeof(me->username) - 1);
json_object_put(json);
return TGBOT_OK;
}
tgbot_rc tgbot_send_message(tgbot *bot, int64_t chat_id, char *text, char *parse_mode, tgbot_inlinekeyboardmarkup **keyboard, size_t rows, size_t columns) {
char url[1024];
json_object *rjson = json_object_new_object();
json_object_object_add(rjson, "chat_id", json_object_new_int64(chat_id));
json_object_object_add(rjson, "text", json_object_new_string(text));
json_object_object_add(rjson, "parse_mode", json_object_new_string(parse_mode));
if (keyboard != NULL) {
json_object *reply_markup = tgbot_new_inlinekeyboardmarkup(keyboard, rows, columns);
json_object_object_add(rjson, "reply_markup", reply_markup);
}
snprintf(url, sizeof(url), "%ssendMessage", bot->api);
struct memory_buffer *mb;
tgbot_rc ret = tgbot_request(bot, url, &mb, rjson);
json_object_put(rjson);
if (ret != TGBOT_OK) {
free(mb->data);
free(mb);
return TGBOT_SENDMESSAGE_ERROR;
}
free(mb->data);
free(mb);
return TGBOT_OK;
}
tgbot_rc tgbot_edit_message_text(tgbot *bot, int64_t chat_id, long message_id, char *text, tgbot_inlinekeyboardmarkup **keyboard, size_t rows, size_t columns) {
char url[1024];
json_object *rjson = json_object_new_object();
json_object_object_add(rjson, "chat_id", json_object_new_int64(chat_id));
json_object_object_add(rjson, "message_id", json_object_new_int(message_id));
json_object_object_add(rjson, "text", json_object_new_string(text));
snprintf(url, sizeof(url), "%seditMessageText", bot->api);
if (keyboard != NULL) {
json_object *reply_markup = tgbot_new_inlinekeyboardmarkup(keyboard, rows, columns);
json_object_object_add(rjson, "reply_markup", reply_markup);
}
struct memory_buffer *mb;
tgbot_request(bot, url, &mb, rjson);
json_object_put(rjson);
free(mb->data);
free(mb);
return TGBOT_OK;
}

310
src/tgbot.c
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@@ -2,8 +2,6 @@
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "tgbot.h"
@@ -28,311 +26,3 @@ void tgbot_destroy(tgbot *bot) {
}
curl_global_cleanup();
}
tgbot_rc tgbot_allocate_inlinekeyboardmarkup(tgbot_inlinekeyboardmarkup ***keyboard, size_t rows, size_t columns) {
*keyboard = (tgbot_inlinekeyboardmarkup **)malloc(rows * sizeof(tgbot_inlinekeyboardmarkup *));
for (size_t i = 0; i < rows; ++i) {
(*keyboard)[i] = (tgbot_inlinekeyboardmarkup *)malloc(columns * sizeof(tgbot_inlinekeyboardmarkup));
}
return TGBOT_OK;
}
tgbot_rc tgbot_deallocate_inlinekeyboardmarkup(tgbot_inlinekeyboardmarkup **keyboard, size_t rows) {
for (size_t i = 0; i < rows; ++i) {
free(keyboard[i]);
}
free(keyboard);
return TGBOT_OK;
}
json_object *tgbot_new_inlinekeyboardmarkup(tgbot_inlinekeyboardmarkup **keyboard, size_t rows, size_t columns) {
json_object *reply_markup = json_object_new_object();
json_object *inline_keyboard_array = json_object_new_array();
for (size_t i = 0; i < rows; ++i) {
json_object *row = json_object_new_array();
for (size_t j = 0; j < columns; ++j) {
if (strcmp(keyboard[i][j].text, "") == 0) {
continue;
}
json_object *button = json_object_new_object();
json_object_object_add(button, "text", json_object_new_string(keyboard[i][j].text));
json_object_object_add(button, "url", json_object_new_string(keyboard[i][j].url));
json_object_object_add(button, "callback_data", json_object_new_string(keyboard[i][j].callback_data));
json_object_array_add(row, button);
}
json_object_array_add(inline_keyboard_array, row);
}
json_object_object_add(reply_markup, "inline_keyboard", inline_keyboard_array);
return reply_markup;
}
tgbot_rc tgbot_get_update(tgbot *bot, tgbot_update *update, Callback cbq_handler) {
char url[1024];
/* Clear Update */
memset(update, 0, sizeof(tgbot_update));
json_object *rjson = json_object_new_object();
json_object_object_add(rjson, "offset", json_object_new_int64(bot->offset));
json_object_object_add(rjson, "limit", json_object_new_int(1));
json_object_object_add(rjson, "timeout", json_object_new_int(30));
snprintf(url, sizeof(url), "%sgetUpdates", bot->api);
struct memory_buffer *mb;
tgbot_rc ret = tgbot_request(bot, url, &mb, rjson);
json_object_put(rjson);
if (ret != TGBOT_OK) {
free(mb->data);
free(mb);
return TGBOT_GETUPDATES_ERROR;
}
json_object *json = json_tokener_parse(mb->data);
free(mb->data);
free(mb);
json_object *ok = json_object_object_get(json, "ok");
if (!json_object_is_type(ok, json_type_boolean) || !json_object_get_boolean(ok)) {
json_object_put(json);
return TGBOT_TELEGRAM_OK_ERROR;
}
json_object *results = json_object_object_get(json, "result");
size_t results_len = json_object_array_length(results);
if (results_len == 0) {
json_object_put(json);
return TGBOT_OK;
}
/* Check if it is a Message or a CallbackQuery*/
json_object *result = json_object_array_get_idx(results, 0);
json_object *message = json_object_object_get(result, "message");
if (message) {
tgbot_parse_message(bot, update, result);
} else {
tgbot_cbquery query;
tgbot_parse_cbquery(bot, &query, result, cbq_handler);
}
json_object_put(json);
return TGBOT_OK;
}
tgbot_rc tgbot_parse_message(tgbot *bot, tgbot_update *update, json_object *result) {
json_object *update_id = json_object_object_get(result, "update_id");
bot->offset = json_object_get_int(update_id) + 1;
update->update_id = json_object_get_int(update_id);
json_object *message = json_object_object_get(result, "message");
json_object *message_id = json_object_object_get(message, "message_id");
update->message_id = json_object_get_int(message_id);
json_object *chat = json_object_object_get(message, "chat");
json_object *chat_id = json_object_object_get(chat, "id");
update->chat_id = json_object_get_int64(chat_id);
json_object *chat_first_name = json_object_object_get(chat, "first_name");
strncpy(update->chat_first_name, json_object_get_string(chat_first_name), sizeof(update->chat_first_name));
json_object *chat_last_name = json_object_object_get(chat, "last_name");
if (chat_last_name != NULL) {
strncpy(update->chat_last_name, json_object_get_string(chat_last_name), sizeof(update->chat_last_name));
} else {
update->chat_last_name[0] = '\0';
}
json_object *chat_username = json_object_object_get(chat, "username");
if (chat_username != NULL) {
strncpy(update->chat_username, json_object_get_string(chat_username), sizeof(update->chat_username));
} else {
update->chat_username[0] = '\0';
}
json_object *chat_type = json_object_object_get(chat, "type");
strncpy(update->chat_type, json_object_get_string(chat_type), sizeof(update->chat_type));
json_object *date = json_object_object_get(message, "date");
update->date = json_object_get_int(date);
json_object *text = json_object_object_get(message, "text");
strncpy(update->text, json_object_get_string(text), sizeof(update->text));
return TGBOT_OK;
}
tgbot_rc tgbot_parse_cbquery(tgbot *bot, tgbot_cbquery *query, json_object *result, Callback cbq_handler) {
json_object *update_id = json_object_object_get(result, "update_id");
bot->offset = json_object_get_int(update_id) + 1;
query->update_id = json_object_get_int(update_id);
json_object *callback_query = json_object_object_get(result, "callback_query");
json_object *message = json_object_object_get(callback_query, "message");
json_object *message_id = json_object_object_get(message, "message_id");
query->message_id = json_object_get_int(message_id);
json_object *chat = json_object_object_get(message, "chat");
json_object *chat_id = json_object_object_get(chat, "id");
query->chat_id = json_object_get_int64(chat_id);
json_object *chat_username = json_object_object_get(chat, "username");
/* TODO: add NULL checks */
strncpy(query->chat_username, json_object_get_string(chat_username), sizeof(query->chat_username));
json_object *date = json_object_object_get(message, "date");
query->date = json_object_get_int(date);
json_object *text = json_object_object_get(message, "text");
strncpy(query->text, json_object_get_string(text), sizeof(query->text));
json_object *chat_instance = json_object_object_get(callback_query, "chat_instance");
strncpy(query->chat_instance, json_object_get_string(chat_instance), sizeof(query->chat_instance));
json_object *data = json_object_object_get(callback_query, "data");
strncpy(query->data, json_object_get_string(data), sizeof(query->data));
cbq_handler(bot, query);
return TGBOT_OK;
}
tgbot_rc tgbot_get_me(tgbot *bot, tgbot_me *me) {
char url[1024];
snprintf(url, sizeof(url), "%sgetMe", bot->api);
struct memory_buffer *mb;
tgbot_rc ret = tgbot_request(bot, url, &mb, NULL);
if (ret != TGBOT_OK) {
free(mb->data);
free(mb);
return TGBOT_GETME_ERROR;
}
json_object *json = json_tokener_parse(mb->data);
free(mb->data);
free(mb);
json_object *ok = json_object_object_get(json, "ok");
if (!json_object_get_boolean(ok)) {
json_object_put(json);
return TGBOT_GETME_ERROR;
}
json_object *result = json_object_object_get(json, "result");
json_object *first_name = json_object_object_get(result, "first_name");
strncpy(me->first_name, json_object_get_string(first_name), sizeof(me->first_name));
json_object *username = json_object_object_get(result, "username");
strncpy(me->username, json_object_get_string(username), sizeof(me->username));
json_object_put(json);
return TGBOT_OK;
}
tgbot_rc tgbot_send_message(tgbot *bot, int64_t chat_id, char *text, char *parse_mode, tgbot_inlinekeyboardmarkup **keyboard, size_t rows, size_t columns) {
char url[1024];
json_object *rjson = json_object_new_object();
json_object_object_add(rjson, "chat_id", json_object_new_int64(chat_id));
json_object_object_add(rjson, "text", json_object_new_string(text));
json_object_object_add(rjson, "parse_mode", json_object_new_string(parse_mode));
if (keyboard != NULL) {
json_object *reply_markup = tgbot_new_inlinekeyboardmarkup(keyboard, rows, columns);
json_object_object_add(rjson, "reply_markup", reply_markup);
}
snprintf(url, sizeof(url), "%ssendMessage", bot->api);
struct memory_buffer *mb;
tgbot_rc ret = tgbot_request(bot, url, &mb, rjson);
json_object_put(rjson);
if (ret != TGBOT_OK) {
free(mb->data);
free(mb);
return TGBOT_SENDMESSAGE_ERROR;
}
free(mb->data);
free(mb);
return TGBOT_OK;
}
tgbot_rc tgbot_edit_message_text(tgbot *bot, int64_t chat_id, long message_id, char *text, tgbot_inlinekeyboardmarkup **keyboard, size_t rows, size_t columns) {
char url[1024];
json_object *rjson = json_object_new_object();
json_object_object_add(rjson, "chat_id", json_object_new_int64(chat_id));
json_object_object_add(rjson, "message_id", json_object_new_int(message_id));
json_object_object_add(rjson, "text", json_object_new_string(text));
snprintf(url, sizeof(url), "%seditMessageText", bot->api);
if (keyboard != NULL) {
json_object *reply_markup = tgbot_new_inlinekeyboardmarkup(keyboard, rows, columns);
json_object_object_add(rjson, "reply_markup", reply_markup);
}
struct memory_buffer *mb;
tgbot_request(bot, url, &mb, rjson);
json_object_put(rjson);
free(mb->data);
free(mb);
return TGBOT_OK;
}
size_t write_callback(void *ptr, size_t size, size_t nmemb, char **userdata) {
size_t real_size = size * nmemb;
struct memory_buffer *mem = (struct memory_buffer *)userdata;
mem->data = realloc(mem->data, mem->size + real_size + 1);
memcpy(&(mem->data[mem->size]), ptr, real_size);
mem->size += real_size;
mem->data[mem->size] = '\0';
return real_size;
}
tgbot_rc tgbot_request(tgbot *bot, char *url, struct memory_buffer **mb, json_object *json) {
const char *json_string = NULL;
*mb = calloc(1, sizeof(struct memory_buffer));
struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, "Accept: application/json");
headers = curl_slist_append(headers, "Content-Type: application/json");
curl_easy_setopt(bot->curl, CURLOPT_URL, url);
curl_easy_setopt(bot->curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(bot->curl, CURLOPT_WRITEFUNCTION, write_callback);
curl_easy_setopt(bot->curl, CURLOPT_WRITEDATA, *mb);
curl_easy_setopt(bot->curl, CURLOPT_SSL_VERIFYPEER, 0L);
curl_easy_setopt(bot->curl, CURLOPT_TCP_KEEPALIVE, 30L);
if (json != NULL) {
json_string = json_object_to_json_string_ext(json, JSON_C_TO_STRING_PLAIN);
curl_easy_setopt(bot->curl, CURLOPT_POSTFIELDS, json_string);
}
CURLcode res = curl_easy_perform(bot->curl);
curl_slist_free_all(headers);
if (res != CURLE_OK) {
free((*mb)->data);
free(*mb);
*mb = NULL;
return TGBOT_REQUEST_ERROR;
}
return TGBOT_OK;
}

20
src/types.c Normal file
View File

@@ -0,0 +1,20 @@
#include "types.h"
tgbot_rc tgbot_allocate_inlinekeyboardmarkup(tgbot_inlinekeyboardmarkup ***keyboard, size_t rows, size_t columns) {
*keyboard = (tgbot_inlinekeyboardmarkup **)malloc(rows * sizeof(tgbot_inlinekeyboardmarkup *));
for (size_t i = 0; i < rows; ++i) {
(*keyboard)[i] = (tgbot_inlinekeyboardmarkup *)malloc(columns * sizeof(tgbot_inlinekeyboardmarkup));
}
return TGBOT_OK;
}
tgbot_rc tgbot_deallocate_inlinekeyboardmarkup(tgbot_inlinekeyboardmarkup **keyboard, size_t rows) {
for (size_t i = 0; i < rows; ++i) {
free(keyboard[i]);
}
free(keyboard);
return TGBOT_OK;
}