SiddiqSoft.AzureCppUtils 1.2.2

Azure C++ Utils : Azure REST API Helpers for Modern C++

Objective

• Collect useful helpers for Azure REST API in a single location.
• Header-only
• Use Win32 functions on Windows

Requirements

• The build and tests are for Visual Studio 2019 under x64.

Usage

• Use the nuget SiddiqSoft.AzureCppUtils
• Copy paste..whatever works.

Features

• DateUtils
  • RFC7231 and RFC1123
  • ISO8601
• ConversionUtils
  • utf8fromWide
  • wideFromUtf8
• Bas64Utils
  • encode
  • decode
• EncryptionUtils
  • MD5
  • HMAC
  • JWTSHA256
  • SASToken
  • CosmosToken

All of the functions support string and wstring. However, the EncryptionUtils have disabled the support for wstring as it is

API

struct ConversionUtils
{
    string  asciiFromWide(const wstring& src);
    string  utf8FromWide( const wstring& src);
    wstring wideFromUtf8( const string&  src);
    wstring wideFromAscii(const string&  src);
}

struct DateUtils
{
    template <typename T = char>
        requires same_as<T, char> || same_as<T, wchar_t>
    basic_string<T> ISO8601(const chrono::system_clock::time_point& rawtp = chrono::system_clock::now())

    template <typename T = char>
        requires same_as<T, char> || same_as<T, wchar_t>
    basic_string<T> RFC7231(const chrono::system_clock::time_point& rawtp = chrono::system_clock::now())
}


struct Base64Utils
{
    template <typename T = char>
        requires same_as<T, char> || same_as<T, wchar_t>
    basic_string<T> urlEscape(const basic_string<T>& src)

    template <typename T = char>
        requires same_as<T, char> || same_as<T, wchar_t>
    basic_string<T> encode(const basic_string<T>& argBin)

    template <typename T = char>
        requires same_as<T, char> || same_as<T, wchar_t>
    basic_string<T> decode(const basic_string<T>& argEncoded)

}


struct UrlUtils
{
    template <typename T = char>
        requires same_as<T, char> || same_as<T, wchar_t>
    basic_string<T> encode(const basic_string<T>& source, bool lowerCase = false)
}


struct EncryptionUtils
{
    // Always returns a "binary" in std::string
    template <typename T = char>
        requires same_as<T, char> || same_as<T, wchar_t>
    string MD5(const basic_string<T>& source)

    // Always returns a "binary" in std::string
    template <typename T = char>
        requires same_as<T, char> || same_as<T, wchar_t>
    string HMAC(const basic_string<T>& message,
                const string& key)  // "binary" or decoded

    template <typename T = char>
        requires same_as<T, char> || same_as<T, wchar_t>
    basic_string<T>
    JWTHMAC256(const string& key, // "binary" or decoded
               const basic_string<T>& header,
               const basic_string<T>& payload)

    // Returns tokens that can be used in the HTTP request header
    // Note that the key is always in std::string since they are decoded from base64 values from the Azure portal.
    template <typename T = char>
        requires same_as<T, char> || same_as<T, wchar_t>
    basic_string<T> SASToken(const string&          key, // "binary" or decoded
                             const basic_string<T>& url,
                             const basic_string<T>& keyName,
                             const chrono::seconds& timeout)


    // Returns tokens that can be used in the HTTP request header
    // Note that the key is always in std::string since they are decoded from base64 values from the Azure portal.
    template <typename T = char>
        requires same_as<T, char> || same_as<T, wchar_t>
    basic_string<T> SASToken(const string&          key, // "binary" or decoded
                             const basic_string<T>& url,
                             const basic_string<T>& keyName,
                             const basic_string<T>& expiry)

    // Returns tokens that can be used in the HTTP request header
    // Note that the key is always in std::string since they are decoded from base64 values from the Azure portal.
    template <typename T = char>
        requires same_as<T, char> || same_as<T, wchar_t>
    basic_string<T> CosmosToken(const string&          key, // "binary" or decoded
                                const basic_string<T>& verb,
                                const basic_string<T>& type,
                                const basic_string<T>& resourceLink,
                                const basic_string<T>& date)
}

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