49 lines
1.3 KiB
TypeScript
49 lines
1.3 KiB
TypeScript
import * as plugins from './nodehash.plugins';
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import * as helpers from './nodehash.helpers';
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/**
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* creates sha256 Hash from Stream
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*/
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export let sha256FromStream = (input): Promise<string> => {
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let done = plugins.q.defer<string>();
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let hash = plugins.crypto.createHash('sha256');
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hash['setEncoding']('hex');
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input.pipe(hash).pipe(helpers.hashStreamPipeStop(done.resolve));
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return done.promise;
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};
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/**
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* creates sha256 Hash from File;
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*/
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export let sha256FromFile = (filePath: string) => {
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let done = plugins.q.defer();
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let absolutePath = plugins.path.resolve(filePath);
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let readableStream = plugins.fs.createReadStream(absolutePath);
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sha256FromStream(readableStream).then(resultHashString => {
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done.resolve(resultHashString);
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});
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return done.promise;
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};
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/**
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* Computes sha256 Hash from String synchronously
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*/
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export let sha256FromStringSync = stringArg => {
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let hash = plugins.crypto.createHash('sha256');
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hash.update(stringArg);
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return hash.digest('hex');
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};
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/**
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* Computes sha256 Hash from String
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*/
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export let sha256FromString = stringArg => {
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let done = plugins.q.defer();
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let hash = plugins.crypto.createHash('sha256');
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hash.update(stringArg);
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let hashResult = hash.digest('hex');
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done.resolve(hashResult);
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return done.promise;
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};
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