24adb7d618
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- Enhance CLI handling in main.cpp with better error messages, default length as size_t, and proper option validation - Simplify special characters in passwdgen.cpp to a safer, common subset
36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
// passwdgen.cpp
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#include "../include/passwdgen.h"
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#include <iostream>
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#include <random>
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std::string random_string(std::size_t length, bool punc) {
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std::string CHARACTERS;
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std::string ALPHANUM = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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const std::string SPECIALS = "!@#$%^&*()_+-=[]{}|;:,./?";
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if (punc) {
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CHARACTERS = ALPHANUM.append(SPECIALS);
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} else {
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CHARACTERS = ALPHANUM;
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}
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std::random_device random_device;
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std::mt19937 generator(random_device());
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std::uniform_int_distribution<> distribution(0, static_cast<int>(CHARACTERS.size() - 1));
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std::string random_string;
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for (std::size_t i = 0; i < length; ++i) {
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random_string += CHARACTERS[distribution(generator)];
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}
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return random_string;
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}
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void show_usage(const std::string& name) {
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std::cerr << "Usage: " << name << " [OPTIONS] " << std::endl
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<< "Options:" << std::endl
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<< "\t-h, --help \t\tShow this help message" << std::endl
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<< "\t-l, --length [n] \t\tThe length of the password (default: 32)" << std::endl
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<< "\t-p, --punctuation \t\tToggle special characters (default: false)"
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<< std::endl;
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}
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