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// Registry of netdata hosts
NETDATA.registry = {
server: null, // the netdata registry server
isCloudEnabled: false,// is netdata.cloud functionality enabled?
cloudBaseURL: null, // the netdata cloud base url
person_guid: null, // the unique ID of this browser / user
machine_guid: null, // the unique ID the netdata server that served dashboard.js
hostname: 'unknown', // the hostname of the netdata server that served dashboard.js
machines: null, // the user's other URLs
machines_array: null, // the user's other URLs in an array
person_urls: null,
MASKED_DATA: "***",
isUsingGlobalRegistry: function() {
return NETDATA.registry.server == "https://registry.my-netdata.io";
},
isRegistryEnabled: function() {
return !(NETDATA.registry.isUsingGlobalRegistry() || isSignedIn())
},
parsePersonUrls: function (person_urls) {
NETDATA.registry.person_urls = person_urls;
if (person_urls) {
NETDATA.registry.machines = {};
NETDATA.registry.machines_array = [];
let apu = person_urls;
let i = apu.length;
while (i--) {
if (typeof NETDATA.registry.machines[apu[i][0]] === 'undefined') {
// console.log('adding: ' + apu[i][4] + ', ' + ((now - apu[i][2]) / 1000).toString());
let obj = {
guid: apu[i][0],
url: apu[i][1],
last_t: apu[i][2],
accesses: apu[i][3],
name: apu[i][4],
alternate_urls: []
};
obj.alternate_urls.push(apu[i][1]);
NETDATA.registry.machines[apu[i][0]] = obj;
NETDATA.registry.machines_array.push(obj);
} else {
// console.log('appending: ' + apu[i][4] + ', ' + ((now - apu[i][2]) / 1000).toString());
let pu = NETDATA.registry.machines[apu[i][0]];
if (pu.last_t < apu[i][2]) {
pu.url = apu[i][1];
pu.last_t = apu[i][2];
pu.name = apu[i][4];
}
pu.accesses += apu[i][3];
pu.alternate_urls.push(apu[i][1]);
}
}
}
if (typeof netdataRegistryCallback === 'function') {
netdataRegistryCallback(NETDATA.registry.machines_array);
}
},
init: function () {
if (netdataRegistry !== true) {
return;
}
NETDATA.registry.hello(NETDATA.serverDefault, function (data) {
if (data) {
NETDATA.registry.server = data.registry;
if (data.cloud_base_url != "") {
NETDATA.registry.isCloudEnabled = true;
NETDATA.registry.cloudBaseURL = data.cloud_base_url;
} else {
NETDATA.registry.isCloudEnabled = false;
NETDATA.registry.cloudBaseURL = "";
}
NETDATA.registry.machine_guid = data.machine_guid;
NETDATA.registry.hostname = data.hostname;
if (dataLayer) {
if (data.anonymous_statistics) dataLayer.push({"anonymous_statistics" : "true", "machine_guid" : data.machine_guid});
}
NETDATA.registry.access(2, function (person_urls) {
NETDATA.registry.parsePersonUrls(person_urls);
});
}
});
},
hello: function (host, callback) {
host = NETDATA.fixHost(host);
// send HELLO to a netdata server:
// 1. verifies the server is reachable
// 2. responds with the registry URL, the machine GUID of this netdata server and its hostname
$.ajax({
url: host + '/api/v1/registry?action=hello',
async: true,
cache: false,
headers: {
'Cache-Control': 'no-cache, no-store',
'Pragma': 'no-cache'
},
xhrFields: {withCredentials: true} // required for the cookie
})
.done(function (data) {
data = NETDATA.xss.checkOptional('/api/v1/registry?action=hello', data);
if (typeof data.status !== 'string' || data.status !== 'ok') {
NETDATA.error(408, host + ' response: ' + JSON.stringify(data));
data = null;
}
if (typeof callback === 'function') {
return callback(data);
}
})
.fail(function () {
NETDATA.error(407, host);
if (typeof callback === 'function') {
return callback(null);
}
});
},
access: function (max_redirects, callback) {
let name = NETDATA.registry.MASKED_DATA;
let url = NETDATA.registry.MASKED_DATA;
if (!NETDATA.registry.isUsingGlobalRegistry()) {
// If the user is using a private registry keep sending identifiable
// data.
name = NETDATA.registry.hostname;
url = NETDATA.serverDefault;
}
console.log("ACCESS", name, url);
// send ACCESS to a netdata registry:
// 1. it lets it know we are accessing a netdata server (its machine GUID and its URL)
// 2. it responds with a list of netdata servers we know
// the registry identifies us using a cookie it sets the first time we access it
// the registry may respond with a redirect URL to send us to another registry
$.ajax({
url: NETDATA.registry.server + '/api/v1/registry?action=access&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(name) + '&url=' + encodeURIComponent(url), // + '&visible_url=' + encodeURIComponent(document.location),
async: true,
cache: false,
headers: {
'Cache-Control': 'no-cache, no-store',
'Pragma': 'no-cache'
},
xhrFields: {withCredentials: true} // required for the cookie
})
.done(function (data) {
data = NETDATA.xss.checkAlways('/api/v1/registry?action=access', data);
let redirect = null;
if (typeof data.registry === 'string') {
redirect = data.registry;
}
if (typeof data.status !== 'string' || data.status !== 'ok') {
NETDATA.error(409, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data));
data = null;
}
if (data === null) {
if (redirect !== null && max_redirects > 0) {
NETDATA.registry.server = redirect;
NETDATA.registry.access(max_redirects - 1, callback);
}
else {
if (typeof callback === 'function') {
return callback(null);
}
}
} else {
if (typeof data.person_guid === 'string') {
NETDATA.registry.person_guid = data.person_guid;
}
if (typeof callback === 'function') {
const urls = data.urls.filter((u) => u[1] !== NETDATA.registry.MASKED_DATA);
return callback(urls);
}
}
})
.fail(function () {
NETDATA.error(410, NETDATA.registry.server);
if (typeof callback === 'function') {
return callback(null);
}
});
},
delete: function (delete_url, callback) {
// send DELETE to a netdata registry:
$.ajax({
url: NETDATA.registry.server + '/api/v1/registry?action=delete&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault) + '&delete_url=' + encodeURIComponent(delete_url),
async: true,
cache: false,
headers: {
'Cache-Control': 'no-cache, no-store',
'Pragma': 'no-cache'
},
xhrFields: {withCredentials: true} // required for the cookie
})
.done(function (data) {
data = NETDATA.xss.checkAlways('/api/v1/registry?action=delete', data);
if (typeof data.status !== 'string' || data.status !== 'ok') {
NETDATA.error(411, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data));
data = null;
}
if (typeof callback === 'function') {
return callback(data);
}
})
.fail(function () {
NETDATA.error(412, NETDATA.registry.server);
if (typeof callback === 'function') {
return callback(null);
}
});
},
search: function (machine_guid, callback) {
// SEARCH for the URLs of a machine:
$.ajax({
url: NETDATA.registry.server + '/api/v1/registry?action=search&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault) + '&for=' + machine_guid,
async: true,
cache: false,
headers: {
'Cache-Control': 'no-cache, no-store',
'Pragma': 'no-cache'
},
xhrFields: {withCredentials: true} // required for the cookie
})
.done(function (data) {
data = NETDATA.xss.checkAlways('/api/v1/registry?action=search', data);
if (typeof data.status !== 'string' || data.status !== 'ok') {
NETDATA.error(417, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data));
data = null;
}
if (typeof callback === 'function') {
return callback(data);
}
})
.fail(function () {
NETDATA.error(418, NETDATA.registry.server);
if (typeof callback === 'function') {
return callback(null);
}
});
},
switch: function (new_person_guid, callback) {
// impersonate
$.ajax({
url: NETDATA.registry.server + '/api/v1/registry?action=switch&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault) + '&to=' + new_person_guid,
async: true,
cache: false,
headers: {
'Cache-Control': 'no-cache, no-store',
'Pragma': 'no-cache'
},
xhrFields: {withCredentials: true} // required for the cookie
})
.done(function (data) {
data = NETDATA.xss.checkAlways('/api/v1/registry?action=switch', data);
if (typeof data.status !== 'string' || data.status !== 'ok') {
NETDATA.error(413, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data));
data = null;
}
if (typeof callback === 'function') {
return callback(data);
}
})
.fail(function () {
NETDATA.error(414, NETDATA.registry.server);
if (typeof callback === 'function') {
return callback(null);
}
});
}
};
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