dcp-client
Version:
Core libraries for accessing DCP network
432 lines (368 loc) • 14 kB
JavaScript
/*
Credit to https://gist.github.com/ryangoree/def0a520ed43c6c465d9a6518161bc7c#file-url-api-polyfill-js
for the polyfill. Minor modifications made for the DCP Worker environment.
*/
self.wrapScriptLoading({ scriptName: 'url' }, function url$$fn(protectedStorage, ring2PostMessage)
{
(function() {
if (typeof URL != 'function') {
rewriteURL();
} else if (!('searchParams' in new URL(globalThis.location))) {
rewriteURL();
}
function rewriteURL() {
// Overwrite URL if no searchParams property exists.
globalThis.URL = function(url, base) {
var _hash;
var _hostname;
var _password;
var _pathname;
var _port;
var _protocol;
var _search;
var _username;
// In the spec it seems like 'base' must be a string, but when empirically testing all platforms accept it as a object as well (and treat it as toString to a URL)
if (base)
base = base.toString()
Object.defineProperty(this, 'hash', {
get: function() {
return _hash;
},
set: function(value) {
_hash = value.length > 0 ? '#' + value.match(/^#*(.*)/)[1] : '';
return value;
}
});
Object.defineProperty(this, 'host', {
get: function() {
return _port.length > 0 ? _hostname + ':' + _port : _hostname;
},
set: function(value) {
var parts = value.split(':');
this.hostname = parts[0];
this.port = parts[1];
return value;
}
});
Object.defineProperty(this, 'hostname', {
get: function() {
return _hostname;
},
set: function(value) {
_hostname = value.length > 0 ? encodeURIComponent(value) : _hostname;
return value;
}
});
function removeUsername(match, username, password) {
if (password === '@') {
return '';
} else {
return password;
}
}
Object.defineProperty(this, 'href', {
get: function() {
var hrefStr = _protocol + '//';
if (_username.length > 0 || _password.length > 0) {
if (_username.length > 0) {
hrefStr += _username;
}
if (_password.length > 0) {
hrefStr += ':' + _password;
}
hrefStr += '@'
}
hrefStr += _hostname;
if (_port.length > 0) {
hrefStr += ':' + _port;
}
hrefStr += _pathname + _search + _hash;
return hrefStr;
},
set: function(value) {
this.protocol = value;
value = value.replace(/.*?:\/*/, '');
var usernameMatch = value.match(/([^:]*).*@/);
this.username = usernameMatch ? usernameMatch[1] : '';
value = value.replace(/([^:]*):?(.*@)/, removeUsername);
var passwordMatch = value.match(/.*(?=@)/);
this.password = passwordMatch ? passwordMatch[0] : '';
value = value.replace(/.*@/, '');
this.hostname = value.match(/[^:/?]*/);
var portMatch = value.match(/:(\d+)/);
this.port = portMatch ? portMatch[1] : '';
var pathnameMatch = value.match(/\/([^?#]*)/);
this.pathname = pathnameMatch ? pathnameMatch[1] : '';
var searchMatch = value.match(/\?[^#]*/);
this.search = searchMatch ? searchMatch[0] : '';
var hashMatch = value.match(/\#.*/);
this.hash = hashMatch ? hashMatch[0] : '';
}
});
this.toString = () => this.href;
Object.defineProperty(this, 'origin', {
get: function() {
var originStr = _protocol + '//' + _hostname;
if (_port.length > 0) {
originStr += ':' + _port;
}
return originStr;
},
set: function(value) {
this.protocol = value;
value = value.replace(/.*?:\/*/, '');
this.hostname = value.match(/[^:/?]*/);
var portMatch = value.match(/:(\d+)/);
this.port = portMatch ? portMatch[1] : '';
}
});
Object.defineProperty(this, 'password', {
get: function() {
return _password;
},
set: function(value) {
_password = encodeURIComponent(value);
return value;
}
});
Object.defineProperty(this, 'pathname', {
get: function() {
return _pathname;
},
set: function(value) {
_pathname = '/' + value.match(/\/?(.*)/)[1];
return value;
}
});
Object.defineProperty(this, 'port', {
get: function() {
return _port;
},
set: function(value) {
if (isNaN(value) || value === '') {
_port = '';
} else {
_port = Math.min(65535, value).toString();
}
return value;
}
});
Object.defineProperty(this, 'protocol', {
get: function() {
return _protocol;
},
set: function(value) {
_protocol = value.match(/[^/:]*/)[0] + ':';
return value;
}
});
Object.defineProperty(this, 'search', {
get: function() {
return _search;
},
set: function(value) {
_search = value.length > 0 ? '?' + value.match(/\??(.*)/)[1] : '';
return value;
}
});
Object.defineProperty(this, 'username', {
get: function() {
return _username;
},
set: function(value) {
_username = value;
}
});
// If a string is passed for url instead of location or link, then set the
if (typeof url === 'string') {
var urlIsValid = /^[a-zA-z]+:\/\/.*/.test(url);
var baseIsValid = /^[a-zA-z]+:\/\/.*/.test(base);
if (urlIsValid) {
this.href = url;
}
// If the url isn't valid, but the base is, then prepend the base to the url.
else if (baseIsValid) {
// Parse the base URL
// Improved handling URL(url, base) based on
// https://gist.github.com/hu9o/66d273aeced748c127cc7b317bcad577#file-url-api-polyfill-js-L11
this.href = base;
// Authority = username + password + hostname + protocol
let authority = '';
if (_username.length > 0 || _password.length > 0) {
if (_username.length > 0) {
authority += _username;
}
if (_password.length > 0) {
authority += ':' + _password;
}
authority += '@'
}
authority += _hostname
if (_port.length > 0) {
authority += ':' + _port;
}
// Full URL combining `base` and `url`
let full_url;
if (url.startsWith('//')) {
full_url = _protocol + url
}
else if (url.startsWith('/')) {
full_url = _protocol + '//' + authority + url
}
else if (url.startsWith('?')) {
full_url = _protocol + '//' + authority + _pathname + url
}
else if (url.startsWith('#')) {
full_url = _protocol + '//' + authority + _pathname + _search + url
}
else {
// drop file name and keep dir, without the trailing slash
let pathdir = _pathname.substr(0, _pathname.lastIndexOf('/'))
// resolve any leading ./ and ../ in the relative path
while (url.startsWith('./') || url.startsWith('../')) {
if (url.startsWith('../'))
pathdir = pathdir.substr(0, pathdir.lastIndexOf('/')) // pop last dir of pathdir, if any
url = url.substr(url.indexOf('/') + 1) // consume the leading ./ or ../ in url
}
// restore trailing slash (which is also the leading slash, if pathdir == '')
pathdir += '/'
full_url = _protocol + '//' + authority + pathdir + url
}
this.href = full_url
}
// If no valid url or base is given, then throw a type error.
else {
throw new TypeError('URL string is not valid. If using a relative url, a second argument needs to be passed representing the base URL. Example: new URL("relative/path", "http://www.example.com");');
}
} else {
// Copy all of the location or link properties to the
// new URL instance.
_hash = url.hash;
_hostname = url.hostname;
_password = url.password ? url.password : '';
_pathname = url.pathname;
_port = url.port;
_protocol = url.protocol;
_search = url.search;
_username = url.username ? url.username: '';
}
// Use IIFE to capture the URL instance and encapsulate the params instead of finding them
// each time a searchParam method is called
this.searchParams = (function(url) {
// Create 2 seperate arrays for the params and values to make management and lookup easier.
var params = [];
var values = [];
if (url.search.length > 0) {
var pairs = url.search.slice(1).split('&');
pairs.forEach(function(pair) {
var parts = pair.split('=');
params.push(parts[0]);
values.push(parts[1]);
});
}
// Update the search property of the URL instance with the new params and values.
function updateSearchString() {
if (params.length === 0) {
url.search = '';
} else {
url.search = params.map(function(param, index) {
return param + '=' + values[index];
}).join('&');
}
}
// Expose functions to mimic the behavior of the native searchParams methods.
return {
// Add a given param with a given value to the end.
append: function(param, value) {
params.push(param);
values.push(value);
updateSearchString();
},
// Remove all occurances of a given param
delete: function(param) {
while(params.indexOf(param) > -1) { // Continue until the param is not found.
values.splice(params.indexOf(param), 1);
params.splice(params.indexOf(param), 1);
}
updateSearchString();
},
// Return an array to be structured in this way: [[param1, value1], [param2, value2]] to
// mimic the native method's ES6 iterator.
entries: function() {
return params.map(function(param, index) {
return [param, values[index]];
});
},
// Return the value matched to the first occurance of a given param.
get: function(param) {
return values[params.indexOf(param)];
},
// Return all values matched to all occurances of a given param.
getAll: function(param) {
return values.filter(function(value, index) {
return params[index] === param;
});
},
// Return a boolean to indicate whether a given param exists.
has: function(param) {
return params.indexOf(param) > -1;
},
// Return an array of the param names to mimic the native method's ES6 iterator.
keys: function() {
return params;
},
// Set a given param to a given value.
set: function set(param, value) {
if (params.indexOf(param) === -1) {
this.append(param,value); // If the given param doesn't already exist, append it.
} else {
var first = true;
var newValues = [];
// If the param already exists, change the value of the first occurance and remove any
// remaining occurances.
params = params.filter(function(currentParam, index) {
// If the currentParam isn't the one being changed keep the param and it's current value.
if (currentParam !== param) {
newValues.push(values[index]);
return true;
}
// If the currentParam matches the one being changed and it's the first one, keep the
// param and change its value to the given one.
else if (first) {
first = false;
newValues.push(value);
return true;
}
// If the currentParam matches the one being changed, but it's not the first, remove it.
return false;
});
values = newValues;
updateSearchString();
}
},
// Sort all key/value pairs, if any, by their keys then by their values.
sort: function() {
// Call entries to make sorting easier, then rewrite the params and values in the new order.
var sortedPairs = this.entries().sort();
params = [];
values = [];
sortedPairs.forEach(function(pair) {
params.push(pair[0]);
values.push(pair[1]);
})
updateSearchString();
},
// Return the search string without the '?'.
toString: function() {
return url.search.slice(1);
},
// Return and array of the param values to mimic the native method's ES6 iterator..
values: function() {
return values;
}
};
})(this);
}
}
})()
});