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1
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1 |
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var axios = require('axios'); |
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2
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1 |
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var MIMEType = require('./mimetype'); |
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3
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1 |
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var PKIType = require('./x509/pkitype'); |
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4
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1 |
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var ProtoBuf = require('./protobuf'); |
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5
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1 |
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var PaymentRequest = ProtoBuf.PaymentRequest; |
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6
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7
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function checkContentType(response, expecting) { |
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8
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2 |
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if (!("content-type" in response.headers)) { |
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9
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throw new Error("Missing content-type header in response"); |
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10
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} |
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11
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2 |
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if (response.headers["content-type"] !== expecting) { |
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12
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throw new Error("Invalid content-type header set by server, request failed"); |
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13
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} |
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14
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} |
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15
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16
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/** |
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17
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* |
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18
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* @constructor |
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19
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*/ |
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20
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1 |
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var HttpClient = function() { |
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21
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}; |
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22
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23
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/** |
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24
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* |
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25
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* @param {string} url |
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26
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* @param {Validator} validator |
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27
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* @return Promise of PaymentRequest |
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28
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*/ |
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29
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1 |
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HttpClient.prototype.getRequest = function(url, validator) { |
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30
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return axios({ |
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31
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method: 'get', |
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32
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headers: { |
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33
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"Accept": MIMEType.PAYMENT_REQUEST |
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34
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}, |
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35
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url: url, |
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36
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responseType: 'arraybuffer' |
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37
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}) |
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38
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.then(function(response) { |
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39
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checkContentType(response, MIMEType.PAYMENT_REQUEST); |
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40
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|
41
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var buf = Buffer.from(response.data); |
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42
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var paymentRequest = PaymentRequest.decode(buf); |
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43
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44
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var path = null; |
|
45
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2 |
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if (paymentRequest.pkiType !== PKIType.NONE) { |
|
46
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path = validator.verifyX509Details(paymentRequest); |
|
47
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} |
|
48
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49
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return [paymentRequest, path]; |
|
50
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}); |
|
51
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}; |
|
52
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53
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/** |
|
54
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* |
|
55
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* @param {ProtoBuf.PaymentDetails} details |
|
56
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* @param {string[]} txs - list of transactions fulfilling request |
|
57
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* @param {string|null} memo - optional memo for merchant |
|
58
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* @returns {{transactions: Array}} - Payment object |
|
59
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|
*/ |
|
60
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1 |
|
HttpClient.prototype.preparePayment = function(details, txs, memo) { |
|
61
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var detailKeys = Object.keys(details); |
|
62
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2 |
|
if (detailKeys.indexOf("paymentUrl") === -1) { |
|
63
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|
|
throw new Error("Not payment url on details"); |
|
64
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|
|
} |
|
65
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|
66
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|
|
var payment = { |
|
67
|
|
|
transactions: [] |
|
68
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|
|
}; |
|
69
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|
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|
|
70
|
|
|
txs.map(function(tx) { |
|
71
|
2 |
|
if (typeof tx === "string") { |
|
72
|
|
|
payment.transactions.push(tx); |
|
73
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|
|
} else { |
|
74
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|
throw new Error("txs must be a list of raw transactions"); |
|
75
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|
} |
|
76
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|
|
}); |
|
77
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|
78
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2 |
|
if (detailKeys.indexOf("merchantData") !== -1) { |
|
79
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|
payment.merchantData = details.merchantData; |
|
80
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|
|
} |
|
81
|
|
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|
|
82
|
2 |
|
if (typeof memo === "string") { |
|
83
|
|
|
payment.memo = details.memo; |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
return payment; |
|
87
|
|
|
}; |
|
88
|
|
|
|
|
89
|
|
|
/** |
|
90
|
|
|
* |
|
91
|
|
|
* @param {ProtoBuf.PaymentDetails} details |
|
92
|
|
|
* @param {string[]} txs |
|
93
|
|
|
* @param {string|null} memo |
|
94
|
|
|
* @returns Promise of PaymentACK |
|
95
|
|
|
*/ |
|
96
|
1 |
|
HttpClient.prototype.sendPayment = function(details, txs, memo) { |
|
97
|
|
|
var payment = this.preparePayment(details, txs, memo); |
|
98
|
|
|
var paymentData = ProtoBuf.Payment.encode(payment).final(); |
|
99
|
|
|
|
|
100
|
|
|
return axios({ |
|
101
|
|
|
method: 'post', |
|
102
|
|
|
headers: { |
|
103
|
|
|
"Accept": MIMEType.PAYMENT_ACK, |
|
104
|
|
|
"Content-Type": MIMEType.PAYMENT |
|
105
|
|
|
}, |
|
106
|
|
|
url: details.paymentUrl, |
|
107
|
|
|
data: paymentData, |
|
108
|
|
|
responseType: 'arraybuffer' |
|
109
|
|
|
}) |
|
110
|
|
|
.then(function(response) { |
|
111
|
|
|
checkContentType(response, MIMEType.PAYMENT_ACK); |
|
112
|
|
|
var buf = Buffer.from(response.data); |
|
|
|
|
|
|
113
|
|
|
return ProtoBuf.PaymentACK.decode(buf); |
|
114
|
|
|
}); |
|
115
|
|
|
}; |
|
116
|
|
|
|
|
117
|
|
|
module.exports = HttpClient; |
|
118
|
|
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|
bip70 /
bip70-js
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This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.
To learn more about declaring variables in Javascript, see the MDN.