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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| #include "fetching.hpp" | ||
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| #include <curl/curl.h> | ||
| #include <fmt/core.h> | ||
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| #include <optional> | ||
| #include <regex> | ||
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| namespace nutc { | ||
| namespace client { | ||
| std::string | ||
| replaceDisallowedValues(const std::string& input) | ||
| { | ||
| std::regex newlinePattern("\\n"); | ||
| std::string input2 = std::regex_replace(input, newlinePattern, "\\n"); | ||
| std::regex disallowedPattern("[.$#\\[\\]]"); | ||
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| return std::regex_replace(input2, disallowedPattern, ""); | ||
| } | ||
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| static size_t | ||
| write_callback(void* contents, size_t size, size_t nmemb, void* userp) | ||
| { | ||
| auto* str = reinterpret_cast<std::string*>(userp); | ||
| auto* data = static_cast<char*>(contents); | ||
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| str->append(data, size * nmemb); | ||
| return size * nmemb; | ||
| } | ||
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| std::optional<std::string> | ||
| storage_request(const std::string& url) | ||
| { | ||
| std::string readBuffer; | ||
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| CURL* curl = curl_easy_init(); | ||
| if (curl) { | ||
| CURLcode res = curl_easy_setopt(curl, CURLOPT_URL, url.c_str()); | ||
| if (res != CURLE_OK) { | ||
| return std::nullopt; | ||
| } | ||
| res = curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback); | ||
| if (res != CURLE_OK) { | ||
| return std::nullopt; | ||
| } | ||
| res = curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer); | ||
| if (res != CURLE_OK) { | ||
| return std::nullopt; | ||
| } | ||
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| res = curl_easy_perform(curl); | ||
| if (res != CURLE_OK) { | ||
| return std::nullopt; | ||
| } | ||
| curl_easy_cleanup(curl); | ||
| } | ||
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| return readBuffer; | ||
| } | ||
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| std::optional<std::string> | ||
| put_request(const std::string& url, const std::string& body) | ||
| { | ||
| std::string responseBuffer; | ||
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| CURL* curl = curl_easy_init(); | ||
| if (curl) { | ||
| CURLcode res = curl_easy_setopt(curl, CURLOPT_URL, url.c_str()); | ||
| if (res != CURLE_OK) { | ||
| curl_easy_cleanup(curl); | ||
| return std::nullopt; | ||
| } | ||
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| res = curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PUT"); | ||
| if (res != CURLE_OK) { | ||
| curl_easy_cleanup(curl); | ||
| return std::nullopt; | ||
| } | ||
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| res = curl_easy_setopt(curl, CURLOPT_POSTFIELDS, body.c_str()); | ||
| if (res != CURLE_OK) { | ||
| curl_easy_cleanup(curl); | ||
| return std::nullopt; | ||
| } | ||
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| res = curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback); | ||
| if (res != CURLE_OK) { | ||
| curl_easy_cleanup(curl); | ||
| return std::nullopt; | ||
| } | ||
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| res = curl_easy_setopt(curl, CURLOPT_WRITEDATA, &responseBuffer); | ||
| if (res != CURLE_OK) { | ||
| curl_easy_cleanup(curl); | ||
| return std::nullopt; | ||
| } | ||
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| res = curl_easy_perform(curl); | ||
| if (res != CURLE_OK) { | ||
| curl_easy_cleanup(curl); | ||
| return std::nullopt; | ||
| } | ||
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| // Check HTTP status code | ||
| long http_code = 0; | ||
| curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &http_code); | ||
| if (http_code >= 400) { | ||
| curl_easy_cleanup(curl); | ||
| return std::nullopt; | ||
| } | ||
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| curl_easy_cleanup(curl); | ||
| } | ||
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| return responseBuffer; | ||
| } | ||
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| } // namespace client | ||
| } // namespace nutc |
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