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- Bugfixes - Migrated to Aika
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,2 @@ | ||
| test | ||
| .env |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -11,3 +11,6 @@ matrix: | |
| node_js: "11" | ||
| install: npm install | ||
| script: npm test | ||
| cache: | ||
| directories: | ||
| - $HOME/node_modules | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| const {HeaderBuilder} = require('aika') | ||
|
|
||
| const crypto = require('crypto') | ||
| const querystring = require('querystring') | ||
|
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| module.exports = (options) => { | ||
| return new HeaderBuilder({ | ||
| constants: { | ||
| apiKey: options.apiKey, | ||
| clientId: options.clientId, | ||
| clientSecret: options.clientSecret, | ||
|
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| hostName: options.hostName, | ||
|
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| // Reference to client JWT | ||
| token: options.token, | ||
|
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| // Amz | ||
| algorithm: 'AWS4-HMAC-SHA256', | ||
| signedHeaders: 'host;x-amz-date', | ||
| awsRegion: options.awsRegion, | ||
| awsService: options.awsService | ||
| }, | ||
|
|
||
| helpers: { | ||
| asv4sign: (context, options, clientId, clientSecret) => { | ||
| if (options.method === 'POST') { | ||
| options.body = '{}' | ||
| } else { | ||
| options.body = '' | ||
| } | ||
|
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| const algorithm = 'AWS4-HMAC-SHA256' | ||
| const amzDate = context.helpers.createAmzDate() | ||
| const dateStamp = amzDate.substr(0, 8) | ||
| const queryStringMatch = options.path.match(/(.*)\?/) | ||
|
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| let canonicalUri = options.path | ||
| if (queryStringMatch !== null) { | ||
| const firstMatchIndex = 1 | ||
| canonicalUri = queryStringMatch[firstMatchIndex] | ||
| } | ||
|
|
||
| const canonicalQuerystring = querystring.stringify(options.query) | ||
| const canonicalHeaders = `host:${options.host}\nx-amz-date:${amzDate}\n` | ||
| const signedHeaders = 'host;x-amz-date' | ||
|
|
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| const signingKey = context.helpers.getSignatureKey( | ||
| context, | ||
| clientSecret, | ||
| dateStamp, | ||
| context.constants.awsService, | ||
| context.constants.awsRegion | ||
| ) | ||
|
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| const payloadHash = context.helpers.hashHex(options.body ? JSON.stringify(options.body) : '') | ||
|
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| const canonicalRequest = `${options.method}\n${canonicalUri}\n${canonicalQuerystring}\n${canonicalHeaders}\n${signedHeaders}\n${payloadHash}` | ||
|
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| const credentialScope = `${dateStamp}/${context.constants.awsRegion}/${context.constants.awsService}/aws4_request` | ||
| const stringToSign = `${algorithm}\n${amzDate}\n${credentialScope}\n${context.helpers.hashHex(canonicalRequest)}` | ||
|
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| const signature = context.helpers.signData(signingKey, stringToSign, 'hex') | ||
| const credentialHeader = `Credential=${clientId}/${credentialScope}` | ||
|
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| return `${algorithm} ${credentialHeader}, SignedHeaders=${signedHeaders}, Signature=${signature}` | ||
| }, | ||
| createAmzDate: () => new Date().toISOString().replace(/[:-]|\.\d{3}/g, ''), | ||
|
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| hashHex: string => crypto.createHash('sha256').update(string, 'utf8').digest('hex'), | ||
|
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| signData: (key, data, encoding) => crypto.createHmac('sha256', key).update(data, 'utf8').digest(encoding), | ||
|
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| getSignatureKey: (context, key, dateStamp, serviceName, regionName) => { | ||
| const date = context.helpers.signData((`AWS4${key}`), dateStamp) | ||
| const region = context.helpers.signData(date, regionName) | ||
| const service = context.helpers.signData(region, serviceName) | ||
|
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| return context.helpers.signData(service, 'aws4_request') | ||
| } | ||
| }, | ||
|
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| headerFunctions: { | ||
| Host: c => c.constants.hostName, | ||
| Accept: () => 'application/json', | ||
| 'Content-type': () => 'application/json', | ||
| 'x-api-key': c => c.constants.apiKey, | ||
| 'x-amz-date': c => c.helpers.createAmzDate(), | ||
| 'x-dnbapi-jwt': c => c.constants.token.jwt, | ||
| Authorization: (c, r) => c.helpers.asv4sign(c, r, c.constants.clientId, c.constants.clientSecret), | ||
| } | ||
| }) | ||
| } |
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