86 lines
2.1 KiB
D
86 lines
2.1 KiB
D
import std.getopt;
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import std.string : format;
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import std.stdio: stderr, writeln;
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import cipher : Cipher;
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import actions;
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int main(string[] args)
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{
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bool[string] actions = [ "genKey" : false,
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"encrypt" : false,
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"decrypt" : false ];
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Cipher cipher = Cipher.chacha20;
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string keyFileName = "symkey.asc";
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bool armor;
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GetoptResult result;
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try
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{
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result = getopt(
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args,
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std.getopt.config.bundling,
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"gen-key|g", "Generate a new 256 bit key.", &actions["genKey"],
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"encrypt|e", "Encrypt a message.", &actions["encrypt"],
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"decrypt|d", "Decrypt a message.", &actions["decrypt"],
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"cipher|c", "The cipher to use (default: %s).".format(cipher), &cipher,
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"key|k", "The file which contains the key (default: %s).".format(keyFileName), &keyFileName,
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"armor|a", "use ascii-armored I/O.", &armor);
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}
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catch(Exception e)
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{
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stderr.writeln(e.msg);
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return 1;
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}
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size_t numberOfActions;
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foreach(value; actions.values)
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numberOfActions += value;
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if(numberOfActions == 1)
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{
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try
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{
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if(actions["genKey"])
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{
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generateKey(armor);
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}
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else if(actions["encrypt"])
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{
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encrypt(keyFileName, cipher, armor);
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}
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else if(actions["decrypt"])
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{
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decrypt(keyFileName, cipher, armor);
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}
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}
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catch(Exception e)
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{
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stderr.writeln(e.msg);
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return 1;
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}
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}
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else
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{
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result.helpWanted = true;
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}
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if(result.helpWanted)
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printHelp(result.options);
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return 0;
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}
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void printHelp(Option[] options)
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{
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defaultGetoptPrinter("Usage: ./learncrypt [options]\n\nCommon options:",
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options[$-1..$]);
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defaultGetoptPrinter("\nGlobal options:",
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options[$-2..$-1]);
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defaultGetoptPrinter("\nActions:",
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options[0..3]);
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defaultGetoptPrinter("\nAction options:",
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options[3..5]);
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}
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