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nico-live-api.cpp
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nico-live-api.cpp
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#include "nico-live-api.hpp"
#include <ctime>
#include <iomanip>
#include <ios>
#include <regex>
#include <sstream>
#include <string>
#include <unordered_map>
#include "curl/curl.h"
#include "pugixml/pugixml.hpp"
#include "nicolive-log.h"
#include "nicolive.h"
// static
const std::string NicoLiveApi::LOGIN_SITE_URL =
"https://secure.nicovideo.jp/secure/login";
const std::string NicoLiveApi::LOGIN_API_URL =
"https://account.nicovideo.jp/api/v1/login";
const std::string NicoLiveApi::PUBSTAT_URL =
"http://live.nicovideo.jp/api/getpublishstatus";
const std::string NicoLiveApi::USER_AGENT = "NicoLiveApi/1.0";
std::string NicoLiveApi::createWwwFormUrlencoded(
const std::unordered_map<std::string, std::string> &formData)
{
std::string encodedData;
for (auto &data : formData) {
if (!encodedData.empty()) {
encodedData += "&";
}
encodedData += NicoLiveApi::urlEncode(data.first);
encodedData += "=";
encodedData += NicoLiveApi::urlEncode(data.second);
}
return encodedData;
}
std::string NicoLiveApi::createCookieString(
const std::unordered_map<std::string, std::string> &cookie)
{
std::string cookieStr;
for (auto &data : cookie) {
if (!cookieStr.empty()) {
cookieStr += "; ";
}
cookieStr += data.first;
cookieStr += "=";
cookieStr += data.second;
}
return cookieStr;
}
bool NicoLiveApi::parseXml(const std::string &xml,
std::unordered_map<std::string, std::vector<std::string>> *data)
{
pugi::xml_document doc;
pugi::xml_parse_result result = doc.load_string(xml.c_str());
if (result.status != pugi::status_ok) {
return false;
}
if (data == nullptr) {
// do nothing, but ok
return true;
}
for (auto &entry : *data) {
pugi::xpath_node_set nodes =
doc.select_nodes(entry.first.c_str());
for (auto &node : nodes) {
if (node.node() != nullptr) {
entry.second.push_back(
std::string(node.node().text().get()));
} else {
entry.second.push_back(
std::string(node.attribute().value()));
}
}
}
return true;
}
std::string NicoLiveApi::urlEncode(const std::string &str)
{
std::stringstream stream;
for (const char &ch : str) {
if (0x20 <= ch && ch <= 0x7F) {
switch (ch) {
case '&':
case '=':
case '+':
case '%':
stream << '%';
stream << std::setfill('0') << std::setw(2)
<< std::hex << std::uppercase
<< static_cast<int>(ch);
break;
case ' ':
stream << '+';
break;
default:
stream << ch;
}
} else {
stream << '%';
stream << std::setfill('0') << std::setw(2) << std::hex
<< std::uppercase << static_cast<int>(ch);
break;
}
}
return stream.str();
}
size_t NicoLiveApi::writeString(
char *ptr, size_t size, size_t nmemb, void *userdata)
{
size_t length = size * nmemb;
std::string *str = static_cast<std::string *>(userdata);
str->append(ptr, length);
return length;
};
// instance
NicoLiveApi::NicoLiveApi() {}
NicoLiveApi::~NicoLiveApi() {}
void NicoLiveApi::setCookie(const std::string &name, const std::string &value)
{
this->cookie[name] = value;
}
void NicoLiveApi::deleteCookie(const std::string &name)
{
this->cookie.erase(name);
}
void NicoLiveApi::clearCookie() { this->cookie.clear(); }
const std::string NicoLiveApi::getCookie(const std::string &name) const
{
if (this->cookie.count(name) > 0) {
return this->cookie.at(name);
} else {
return "";
}
}
bool NicoLiveApi::accessWeb(const std::string &url,
const NicoLiveApi::Method &method,
const std::unordered_map<std::string, std::string> &formData, int *code,
std::string *response)
{
*code = 0;
bool useSsl = false;
if (url.find("https://") == 0) {
useSsl = true;
} else if (url.find("http://") == 0) {
;
} else {
nicolive_log_error("unknown scheam url: %s", url.c_str());
*code = -1;
*response = "unknown schema";
return false;
}
bool hasPost = false;
switch (method) {
case NicoLiveApi::Method::GET:
break;
case NicoLiveApi::Method::POST:
hasPost = true;
break;
default:
nicolive_log_error("unknown method type: %d", method);
*code = -2;
*response = "unknown method";
return false;
}
std::string headerData;
std::string bodyData;
std::string postData;
if (hasPost) {
postData = NicoLiveApi::createWwwFormUrlencoded(formData);
}
CURL *curl;
CURLcode res;
curl_global_init(CURL_GLOBAL_DEFAULT);
curl = curl_easy_init();
if (curl == nullptr) {
nicolive_log_error("curl init error");
*code = -3;
*response = "curl init error";
return false;
}
// URL
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
// User Agent
curl_easy_setopt(curl, CURLOPT_USERAGENT, USER_AGENT.c_str());
// header and body data
curl_easy_setopt(curl, CURLOPT_HEADERDATA, &headerData);
curl_easy_setopt(
curl, CURLOPT_HEADERFUNCTION, NicoLiveApi::writeString);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &bodyData);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, NicoLiveApi::writeString);
if (useSsl) {
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 1L);
}
// Cookie
nicolive_log_debug("create cookie: %40s",
NicoLiveApi::createCookieString(this->cookie).c_str());
if (!this->cookie.empty()) {
curl_easy_setopt(curl, CURLOPT_COOKIE,
NicoLiveApi::createCookieString(this->cookie).c_str());
}
// POST data
if (hasPost) {
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE,
static_cast<long>(postData.size()));
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postData.c_str());
}
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
curl_global_cleanup();
if (res != CURLE_OK) {
nicolive_log_error(
"curl failed: %s\n", curl_easy_strerror(res));
*code = -4;
*response = "curl init error";
return false;
}
// Get code and set cookie
std::istringstream isHeader(headerData);
std::regex httpRe(
"HTTP/\\d+\\.\\d+\\s+(\\d+)\\s.*\\r?", std::regex_constants::icase);
std::regex setCookieRe("Set-Cookie:\\s+([^=]+)=([^;]+);.*\\r?",
std::regex_constants::icase);
std::smatch results;
for (std::string line; std::getline(isHeader, line);) {
nicolive_log_debug("header: %s", line.c_str());
if (std::regex_match(line, results, httpRe)) {
nicolive_log_debug(
"header httpRe: %s", results.str(1).c_str());
*code = std::stoi(results.str(1));
} else if (std::regex_match(line, results, setCookieRe)) {
nicolive_log_debug("header setCookieRe: %s, %s",
results.str(1).c_str(), results.str(2).c_str());
this->cookie[results.str(1)] = results.str(2);
}
}
nicolive_log_debug("body: %s", bodyData.c_str());
*response = bodyData;
return true;
}
bool NicoLiveApi::getWeb(
const std::string &url, int *code, std::string *response)
{
std::unordered_map<std::string, std::string> formData;
return this->accessWeb(
url, NicoLiveApi::Method::GET, formData, code, response);
}
bool NicoLiveApi::postWeb(const std::string &url,
const std::unordered_map<std::string, std::string> &formData, int *code,
std::string *response)
{
return this->accessWeb(
url, NicoLiveApi::Method::POST, formData, code, response);
}
bool NicoLiveApi::loginSite(const std::string &site, const std::string &mail,
const std::string &password)
{
std::string url;
url += NicoLiveApi::LOGIN_SITE_URL;
url += "?site=";
url += NicoLiveApi::urlEncode(site);
std::unordered_map<std::string, std::string> formData;
// FIXME: mail_tel?
formData["mail"] = mail;
formData["password"] = password;
int code = 0;
std::string response;
this->clearCookie();
nicolive_log_info("login site: %s", site.c_str());
bool result = this->postWeb(url, formData, &code, &response);
if (result) {
if (code == 302) {
// TODO: check redirect location?
if (this->getCookie("user_session")
.find("user_"
"session_") == 0) {
nicolive_log_info("login success");
return true;
} else {
nicolive_log_info("login fail");
return false;
}
} else {
nicolive_log_error(
"login invalid return code: %d", code);
return false;
}
} else {
nicolive_log_error("access login errror");
return false;
}
}
// std::string NicoLiveApi::loginSiteTicket(
// const std::string &site,
// const std::string &mail,
// const std::string &password)
// {}
bool NicoLiveApi::loginSiteNicolive(
const std::string &mail, const std::string &password)
{
return this->loginSite("nicolive", mail, password);
}
std::string NicoLiveApi::loginApiTicket(const std::string &site,
const std::string &mail, const std::string &password)
{
std::stringstream unixTimeStream;
unixTimeStream << std::time(nullptr);
std::unordered_map<std::string, std::string> formData;
formData["site"] = site;
formData["time"] = unixTimeStream.str();
formData["mail"] = mail;
formData["password"] = password;
int code = 0;
std::string response;
this->clearCookie();
nicolive_log_info("login api site: %s", site.c_str());
bool result = this->postWeb(
NicoLiveApi::LOGIN_API_URL, formData, &code, &response);
if (!result) {
nicolive_log_error("access login api errror");
return std::string();
}
if (code != 200) {
nicolive_log_error("login api invalid return code: %d", code);
return std::string();
}
std::unordered_map<std::string, std::vector<std::string>> data;
data["/nicovideo_user_response/@status"] = std::vector<std::string>();
data["/nicovideo_user_response/ticket/text()"] =
std::vector<std::string>();
if (!NicoLiveApi::parseXml(response, &data)) {
nicolive_log_info("login api fail parse xml");
return std::string();
}
if (data["/nicovideo_user_response/@status"].empty()) {
nicolive_log_info("login api unknown status");
return std::string();
}
if (data["/nicovideo_user_response/@status"].at(0) != "ok") {
nicolive_log_info("login api fail status: %s",
data["/nicovideo_user_response/@status"].at(0).c_str());
return std::string();
}
if (data["/nicovideo_user_response/ticket/text()"].empty()) {
nicolive_log_info("login api no ticket");
return std::string();
}
return data["/nicovideo_user_response/ticket/text()"].at(0);
}
std::string NicoLiveApi::loginNicoliveEncoder(
const std::string &mail, const std::string &password)
{
return this->loginApiTicket("nicolive_encoder", mail, password);
}
bool NicoLiveApi::getPublishStatus(
std::unordered_map<std::string, std::vector<std::string>> *data)
{
int code;
std::string response;
if (!this->getWeb(NicoLiveApi::PUBSTAT_URL, &code, &response)) {
nicolive_log_error("failed to get publish status");
return false;
}
if (code != 200) {
nicolive_log_error(
"failed to get publish status, return code = "
"%d",
code);
return false;
}
return NicoLiveApi::parseXml(response, data);
}
bool NicoLiveApi::getPublishStatusTicket(const std::string &ticket,
std::unordered_map<std::string, std::vector<std::string>> *data)
{
std::unordered_map<std::string, std::string> formData;
formData["ticket"] = ticket;
formData["accept-multi"] = "0";
int code;
std::string response;
if (!this->postWeb(
NicoLiveApi::PUBSTAT_URL, formData, &code, &response)) {
nicolive_log_error("failed to get publish status ticket");
return false;
}
if (code != 200) {
nicolive_log_error(
"failed to get publish ticketstatus, return "
"code = %d",
code);
return false;
}
return NicoLiveApi::parseXml(response, data);
}