replay: replace HttpRequest with libcurl for accessing comma API (#33851)
Replay: Replace HttpRequest with libcurl for accessing comma apipull/34003/head
Dean Lee
12 months ago
committed by
GitHub
parent
d050e0c2ac
commit
f5dc1d08c9
5 changed files with 213 additions and 33 deletions
@ -0,0 +1,162 @@ |
||||
|
||||
#include "tools/replay/api.h" |
||||
|
||||
#include <openssl/pem.h> |
||||
#include <openssl/rsa.h> |
||||
#include <openssl/evp.h> |
||||
#include <openssl/sha.h> |
||||
|
||||
#include <cassert> |
||||
#include <chrono> |
||||
#include <iostream> |
||||
|
||||
#include "common/params.h" |
||||
#include "common/version.h" |
||||
#include "system/hardware/hw.h" |
||||
|
||||
namespace CommaApi2 { |
||||
|
||||
// Base64 URL-safe character set (uses '-' and '_' instead of '+' and '/')
|
||||
static const std::string base64url_chars = |
||||
"ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
||||
"abcdefghijklmnopqrstuvwxyz" |
||||
"0123456789-_"; |
||||
|
||||
std::string base64url_encode(const std::string &in) { |
||||
std::string out; |
||||
int val = 0, valb = -6; |
||||
for (unsigned char c : in) { |
||||
val = (val << 8) + c; |
||||
valb += 8; |
||||
while (valb >= 0) { |
||||
out.push_back(base64url_chars[(val >> valb) & 0x3F]); |
||||
valb -= 6; |
||||
} |
||||
} |
||||
if (valb > -6) { |
||||
out.push_back(base64url_chars[((val << 8) >> (valb + 8)) & 0x3F]); |
||||
} |
||||
|
||||
return out; |
||||
} |
||||
|
||||
EVP_PKEY *get_rsa_private_key() { |
||||
static std::unique_ptr<EVP_PKEY, decltype(&EVP_PKEY_free)> rsa_private(nullptr, EVP_PKEY_free); |
||||
if (!rsa_private) { |
||||
FILE *fp = fopen(Path::rsa_file().c_str(), "rb"); |
||||
if (!fp) { |
||||
std::cerr << "No RSA private key found, please run manager.py or registration.py" << std::endl; |
||||
return nullptr; |
||||
} |
||||
rsa_private.reset(PEM_read_PrivateKey(fp, NULL, NULL, NULL)); |
||||
fclose(fp); |
||||
} |
||||
return rsa_private.get(); |
||||
} |
||||
|
||||
std::string rsa_sign(const std::string &data) { |
||||
EVP_PKEY *private_key = get_rsa_private_key(); |
||||
if (!private_key) return {}; |
||||
|
||||
EVP_MD_CTX *mdctx = EVP_MD_CTX_new(); |
||||
assert(mdctx != nullptr); |
||||
|
||||
std::vector<uint8_t> sig(EVP_PKEY_size(private_key)); |
||||
uint32_t sig_len; |
||||
|
||||
EVP_SignInit(mdctx, EVP_sha256()); |
||||
EVP_SignUpdate(mdctx, data.data(), data.size()); |
||||
int ret = EVP_SignFinal(mdctx, sig.data(), &sig_len, private_key); |
||||
|
||||
EVP_MD_CTX_free(mdctx); |
||||
|
||||
assert(ret == 1); |
||||
assert(sig.size() == sig_len); |
||||
return std::string(sig.begin(), sig.begin() + sig_len); |
||||
} |
||||
|
||||
std::string create_jwt(const json11::Json &extra, int exp_time) { |
||||
int now = std::chrono::seconds(std::time(nullptr)).count(); |
||||
std::string dongle_id = Params().get("DongleId"); |
||||
|
||||
// Create header and payload
|
||||
json11::Json header = json11::Json::object{{"alg", "RS256"}}; |
||||
auto payload = json11::Json::object{ |
||||
{"identity", dongle_id}, |
||||
{"iat", now}, |
||||
{"nbf", now}, |
||||
{"exp", now + exp_time}, |
||||
}; |
||||
// Merge extra payload
|
||||
for (const auto &item : extra.object_items()) { |
||||
payload[item.first] = item.second; |
||||
} |
||||
|
||||
// JWT construction
|
||||
std::string jwt = base64url_encode(header.dump()) + '.' + |
||||
base64url_encode(json11::Json(payload).dump()); |
||||
|
||||
// Hash and sign
|
||||
std::string hash(SHA256_DIGEST_LENGTH, '\0'); |
||||
SHA256((uint8_t *)jwt.data(), jwt.size(), (uint8_t *)hash.data()); |
||||
std::string signature = rsa_sign(hash); |
||||
|
||||
return jwt + "." + base64url_encode(signature); |
||||
} |
||||
|
||||
std::string create_token(bool use_jwt, const json11::Json &payloads, int expiry) { |
||||
if (use_jwt) { |
||||
return create_jwt(payloads, expiry); |
||||
} |
||||
|
||||
std::string token_json = util::read_file(util::getenv("HOME") + "/.comma/auth.json"); |
||||
std::string err; |
||||
auto json = json11::Json::parse(token_json, err); |
||||
if (!err.empty()) { |
||||
std::cerr << "Error parsing auth.json " << err << std::endl; |
||||
return ""; |
||||
} |
||||
return json["access_token"].string_value(); |
||||
} |
||||
|
||||
std::string httpGet(const std::string &url, long *response_code) { |
||||
CURL *curl = curl_easy_init(); |
||||
assert(curl); |
||||
|
||||
std::string readBuffer; |
||||
const std::string token = CommaApi2::create_token(!Hardware::PC()); |
||||
|
||||
// Set up the lambda for the write callback
|
||||
// The '+' makes the lambda non-capturing, allowing it to be used as a C function pointer
|
||||
auto writeCallback = +[](char *contents, size_t size, size_t nmemb, std::string *userp) ->size_t{ |
||||
size_t totalSize = size * nmemb; |
||||
userp->append((char *)contents, totalSize); |
||||
return totalSize; |
||||
}; |
||||
|
||||
curl_easy_setopt(curl, CURLOPT_URL, url.c_str()); |
||||
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeCallback); |
||||
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer); |
||||
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L); |
||||
|
||||
// Handle headers
|
||||
struct curl_slist *headers = nullptr; |
||||
headers = curl_slist_append(headers, "User-Agent: openpilot-" COMMA_VERSION); |
||||
if (!token.empty()) { |
||||
headers = curl_slist_append(headers, ("Authorization: JWT " + token).c_str()); |
||||
} |
||||
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers); |
||||
|
||||
CURLcode res = curl_easy_perform(curl); |
||||
|
||||
if (response_code) { |
||||
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, response_code); |
||||
} |
||||
|
||||
curl_slist_free_all(headers); |
||||
curl_easy_cleanup(curl); |
||||
|
||||
return res == CURLE_OK ? readBuffer : std::string{}; |
||||
} |
||||
|
||||
} // namespace CommaApi
|
||||
@ -0,0 +1,15 @@ |
||||
#pragma once |
||||
|
||||
#include <curl/curl.h> |
||||
#include <string> |
||||
|
||||
#include "common/util.h" |
||||
#include "third_party/json11/json11.hpp" |
||||
|
||||
namespace CommaApi2 { |
||||
|
||||
const std::string BASE_URL = util::getenv("API_HOST", "https://api.commadotai.com").c_str(); |
||||
std::string create_token(bool use_jwt, const json11::Json& payloads = {}, int expiry = 3600); |
||||
std::string httpGet(const std::string &url, long *response_code = nullptr); |
||||
|
||||
} // namespace CommaApi2
|
||||
Loading…
Reference in new issue