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90 lines
2.6 KiB
JavaScript
90 lines
2.6 KiB
JavaScript
// PLUGIN_INFO//{{{
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var PLUGIN_INFO =
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<VimperatorPlugin>
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<name>{NAME}</name>
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<description>hash of file</description>
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<author mail="konbu.komuro@gmail.com" homepage="http://d.hatena.ne.jp/hogelog/">hogelog</author>
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<version>0.2.2</version>
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<minVersion>2.3</minVersion>
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<maxVersion>2.3</maxVersion>
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<updateURL>https://github.com/vimpr/vimperator-plugins/raw/master/hash.js</updateURL>
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<detail><![CDATA[
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== COMMANDS ==
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hash:
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:hash md2|md5|sha1|sha256|sha384|sha512 file-path
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]]></detail>
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</VimperatorPlugin>;
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//}}}
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(function() {
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const PR_UINT_MAX = 0xffffffff;
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let Crypt = Cc["@mozilla.org/security/hash;1"].createInstance(Ci.nsICryptoHash);
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let Algos = [
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["md2", "MD2 Algorithm"],
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["md5", "MD5 Algorithm"],
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["sha1", "SHA1 Algorithm"], // SHA-1
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["sha256", "SHA256 Algorithm"], // SHA-256
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["sha384", "SHA384 Algorithm"], // SHA-384
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["sha512", "SHA512 Algorithm"], // SHA-512
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];
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function getStream(path)
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{
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let file = io.File(path);
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let stream = Cc["@mozilla.org/network/file-input-stream;1"]
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.createInstance(Ci.nsIFileInputStream);
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stream.init(file, 0x01, 0444, 0);
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return stream;
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}
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// return the two-digit hexadecimal code for a byte
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function toHexString(charCode)
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{
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return ("0" + charCode.toString(16)).slice(-2);
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}
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commands.addUserCommand(["hash"], "hash of file",
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function(args){
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if (args.length!=2) {
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liberator.echo("usage \":hash md2|md5|sha1|sha256|sha384|sha512 file-path\"");
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return false;
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}
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let [algo, path] = args;
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let stream = getStream(path);
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Crypt.initWithString(algo);
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// read the entire stream
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Crypt.updateFromStream(stream, PR_UINT_MAX);
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stream.close();
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// get base-64 string
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let hash = Crypt.finish(false);
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// convert the binary hash data to a hex string.
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let str = [toHexString(hash.charCodeAt(i)) for(i in hash)].join("");
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util.copyToClipboard(str, true);
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},
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{
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bang: true,
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completer: function (context, args){
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if (args.completeArg == 0) {
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context.title = ["hash", "algorithm"];
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context.completions = Algos;
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} else if (args.completeArg == 1) {
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completion.url(context, "f");
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}
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},
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literal: 1,
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},
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true
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);
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})();
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// vim: fdm=marker sw=4 ts=4 et:
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