kopia lustrzana https://github.com/c9/core
138 wiersze
4.1 KiB
JavaScript
138 wiersze
4.1 KiB
JavaScript
![]() |
var error = require("http-error");
|
||
|
var http = require("http");
|
||
|
var https = require("https");
|
||
|
var _ = require("lodash");
|
||
|
var once = require("./async_tools").once;
|
||
|
var debug = require("debug")("rest:client");
|
||
|
|
||
|
/*
|
||
|
* Example:
|
||
|
* optional config.username & config.password for Basic Auth
|
||
|
* var client = new RestClient("localhost", "3131", {protocol: "https", username: "abc", password: "def"});
|
||
|
*/
|
||
|
function RestClient(host, port, config) {
|
||
|
var protocol = config.protocol || "http";
|
||
|
if (protocol !== "https" && protocol !== "http")
|
||
|
return console.error("Unknown protocol:", protocol);
|
||
|
|
||
|
var proto = protocol === "https" ? https : http;
|
||
|
|
||
|
var log = config.logger || debug;
|
||
|
|
||
|
this.request = function request(method, path, body, callback) {
|
||
|
if (!callback) {
|
||
|
callback = body;
|
||
|
body = undefined;
|
||
|
}
|
||
|
|
||
|
var done = once(callback);
|
||
|
|
||
|
method = method.toLowerCase();
|
||
|
var payload = "";
|
||
|
if (body && (method == "put" || method == "post" || method == "delete")) {
|
||
|
payload = JSON.stringify(body);
|
||
|
}
|
||
|
|
||
|
var headers = _.extend({
|
||
|
"Accept": "application/json",
|
||
|
"Content-Type": "application/json",
|
||
|
"Content-Length": payload.length
|
||
|
}, config.headers || {});
|
||
|
|
||
|
var options = {
|
||
|
hostname: host,
|
||
|
port: port,
|
||
|
path: path,
|
||
|
method: method,
|
||
|
headers: headers
|
||
|
};
|
||
|
if (config.username)
|
||
|
options.auth = config.username + ":" + config.password;
|
||
|
|
||
|
var req = proto.request(options, onResponse(done, options, body));
|
||
|
|
||
|
req.on("error", function(e) {
|
||
|
log("ERROR %s %s://%s:%s%s %s",
|
||
|
options.method,
|
||
|
protocol, options.hostname, options.port, options.path,
|
||
|
e.stack || e.message
|
||
|
);
|
||
|
done(e);
|
||
|
});
|
||
|
|
||
|
req.end(payload);
|
||
|
};
|
||
|
|
||
|
var that = this;
|
||
|
["get", "post", "put", "delete", "options"].forEach(function (method) {
|
||
|
that[method] = that.request.bind(that, method);
|
||
|
});
|
||
|
|
||
|
function onResponse(callback, options, body) {
|
||
|
return function(res) {
|
||
|
var data = "";
|
||
|
var json;
|
||
|
|
||
|
res.on("data", function(d) {
|
||
|
data += d;
|
||
|
});
|
||
|
|
||
|
res.on("end", function() {
|
||
|
try {
|
||
|
json = JSON.parse(data);
|
||
|
} catch (e) {
|
||
|
json = data;
|
||
|
}
|
||
|
|
||
|
if (res.statusCode >= 300) {
|
||
|
var msg =
|
||
|
(json.error && json.error.message) ||
|
||
|
"Request failed with status code " + res.statusCode;
|
||
|
|
||
|
var err = new error.HttpError(msg, res.statusCode);
|
||
|
|
||
|
if (json.error) {
|
||
|
for (var key in json.error)
|
||
|
err[key] = json.error[key];
|
||
|
}
|
||
|
|
||
|
|
||
|
done(err, json);
|
||
|
}
|
||
|
else {
|
||
|
done(null, json);
|
||
|
}
|
||
|
});
|
||
|
|
||
|
res.on("error", function(e) {
|
||
|
done(e);
|
||
|
});
|
||
|
|
||
|
var called = false;
|
||
|
function done(err, json) {
|
||
|
if (called)
|
||
|
return;
|
||
|
|
||
|
if (err) {
|
||
|
log("ERROR %d %s %s://%s:%s%s REQ %j RES %j %j",
|
||
|
res.statusCode, options.method,
|
||
|
protocol, options.hostname, options.port, options.path,
|
||
|
body || {}, data, err
|
||
|
);
|
||
|
} else {
|
||
|
log("%d %s %s://%s:%s%s REQ %j RES %j",
|
||
|
res.statusCode, options.method,
|
||
|
protocol, options.hostname, options.port, options.path,
|
||
|
body || {}, data
|
||
|
);
|
||
|
}
|
||
|
|
||
|
called = true;
|
||
|
callback(err, json);
|
||
|
}
|
||
|
};
|
||
|
}
|
||
|
}
|
||
|
|
||
|
module.exports = RestClient;
|