63 lines
1.8 KiB
TypeScript
63 lines
1.8 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 const sha256FromStream = (input: plugins.stream.Stream): Promise<string> => {
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const done = plugins.smartpromise.defer<string>();
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const 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 const sha256FromFile = async (filePath: string): Promise<string> => {
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const absolutePath = plugins.path.resolve(filePath);
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const readableStream = plugins.fs.createReadStream(absolutePath);
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const hashResult = sha256FromStream(readableStream);
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return hashResult;
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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 const sha256FromStringSync = (stringArg: string): string => {
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const 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 const sha256FromString = async (stringArg: string): Promise<string> => {
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const hash = plugins.crypto.createHash('sha256');
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hash.update(stringArg);
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const hashResult = hash.digest('hex');
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return hashResult;
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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 const sha256FromBuffer = async (bufferArg: Buffer): Promise<string> => {
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const hash = plugins.crypto.createHash('sha256');
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hash.update(bufferArg);
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const hashResult = hash.digest('hex');
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return hashResult;
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};
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/**
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* computes sha265 Hash from Object
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*/
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export const sha265FromObject = async (objectArg: any): Promise<string> => {
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const stringifiedObject = plugins.smartjson.stringify(objectArg, {});
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const hashResult = await sha256FromString(stringifiedObject);
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return hashResult;
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};
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