52 lines
1.3 KiB
TypeScript
52 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) => {
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let done = plugins.q.defer();
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let hash = plugins.crypto.createHash('sha256');
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hash["setEncoding"]("hex");
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input
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.pipe(hash)
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.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)
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.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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